Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.58 060831008 Santa Maria - Broadway CA 0.57 000050801 Ursulines QC 0.52 061130004 Davis CA 0.52 011190002 GASTON AL 0.50 010731010 LEEDS AL #coincidences 10-30 and Corr > 0.5 0.78 000050126 Sainte-Anne-de-Bellevue QC 0.75 000050113 Chomedey QC 0.74 000050129 Rivière-des-Prairies QC 0.73 000052001 Charette QC 0.73 000050121 PARC OCÉANIE QC 0.72 000052201 Brossard QC 0.70 000050131 Hochelaga QC 0.69 010890014 Huntsville Old Airport AL 0.69 000053801 Tingwick QC 0.66 000053201 PÉMONCA QC 0.66 000030501 KEJIMKUJIK NATIONAL NS 0.65 000053701 HILAIRE QC 0.64 000100023 Terrace BC Access Centre BC 0.64 000053301 Deschambault QC 0.64 000050110 Parc Pilon QC 0.63 000050109 Duncan QC 0.61 000070203 Brandon MB 0.61 000050128 Aéroport de Montréal 1 QC 0.59 000111101 Chilliwack BC 0.59 000050404 Parc Cambron QC 0.59 000050310 St-Charles Garnier QC 0.57 000054801 Stukely QC 0.55 011030011 DECATUR AL 0.55 000100012 Kitimat Riverlodge BC 0.50 000052401 La Pêche QC Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences >30 and Corr > 0.5 0.83 011190002 GASTON AL 0.79 011011002 MONTG AL 0.76 060831008 Santa Maria - Broadway CA 0.76 000020401 SOUTHAMPTON PE 0.73 090090027 New Haven - Criscuolo Park CT 0.72 061130004 Davis CA 0.71 060731008 Camp Pendleton CA 0.68 061110007 Thousand Oaks - Moorpark Road CA 0.68 060371002 Burbank - W. Palm Ave CA 0.67 000060512 Hamilton Downtown ON 0.65 060371103 Los Angeles - N. Main Street CA 0.65 060370016 Glendora - Laurel CA 0.64 060731002 Escondido CA 0.64 010732006 HOOVER AL 0.64 000054501 L'Assomption QC 0.63 060731010 San Diego - Beardsley Street CA 0.62 061112002 Simi Valley - Cochran Street CA 0.62 060832004 Lompoc H Street CA 0.62 060711004 Upland CA 0.62 060590007 Anaheim CA 0.62 010735003 CORNER AL 0.60 060658001 Riverside - Rubidoux CA 0.60 010731010 LEEDS AL 0.59 010735002 PINSON AL 0.57 061110009 Piru - Pacific CA 0.56 010731005 MCADORY AL 0.56 000061201 Cornwall ON 0.53 080310025 Denver Animal Shelter - 678 S. Jason St. CO 0.53 060610006 Roseville - N.Sunrise/Douglas CA 0.53 051390006 El Dorado AR 0.53 010732003 WYLAM AL 0.53 010731009 PROVIDENCE AL 0.52 010730023 NO. BHAM AL 0.51 090050004 Thomaston CT 0.51 060830011 Santa Barbara CA 0.51 060670006 Sacramento - Del Paso Manor CA 0.51 060659001 Lake Elsinore - W. Flint Street CA 0.50 120590004 Bonifay FL #coincidences 10-30 and Corr > 0.5 0.94 000030501 KEJIMKUJIK NATIONAL NS 0.86 000111101 Chilliwack BC 0.84 010890014 Huntsville Old Airport AL 0.83 000110119 Burnaby South BC 0.82 011030011 DECATUR AL 0.81 000053301 Deschambault QC 0.81 000050129 Rivière-des-Prairies QC 0.79 040134010 Dysart AZ 0.79 000100016 Kitimat Rail BC 0.78 000050310 St-Charles Garnier QC 0.78 000050113 Chomedey QC 0.72 000050110 Parc Pilon QC 0.69 060070002 Chico - Manzanita CA 0.69 000050126 Sainte-Anne-de-Bellevue QC 0.64 000050131 Hochelaga QC 0.63 000020104 CHARLOTTETOWN PE 0.62 000050105 Drummond QC 0.62 000040801 CANTERBURY NB 0.60 000053701 HILAIRE QC 0.59 000100005 Kelowna College BC 0.58 120111002 DAVIE FL 0.58 000100006 Williams Lake Columneetza School BC 0.58 000080110 Regina SK 0.56 000070203 Brandon MB 0.56 000050121 PARC OCÉANIE QC 0.51 000053801 Tingwick QC Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 25.10 040191034 Coachline AZ 16.20 040138005 Estrella AZ 14.90 060650012 Banning - South Hathaway Street CA 14.70 040139998 Vehicle Emissions Laboratory AZ 13.20 040130019 West Phoenix AZ 12.00 060831008 Santa Maria - Broadway CA 11.40 061111004 Ojai - Ojai Ave. CA 11.20 060832004 Lompoc H Street CA 9.80 000020401 SOUTHAMPTON PE 8.30 060670012 Folsom CA 8.20 040191032 Rose Elementary AZ 8.20 040191030 Green Valley AZ 7.40 040139812 Durango AZ 6.30 060811001 Redwood City CA 6.30 060010007 Livermore - Rincon CA 6.20 060953002 Vacaville CA 5.90 060271023 Bishop Paiute Tribe-CA CA 5.90 000010301 Cornerbrook NF 5.10 060550003 Napa - Jefferson St CA 5.00 000061402 Brantford ON 4.90 060959999 Rio Vista CA 4.90 060850005 San Jose - Jackson St. CA 4.90 060731010 San Diego - Beardsley Street CA 4.80 060410003 Point Reyes CA 4.60 000065301 Port Stanley ON 4.60 000065001 Barrie ON 4.50 060731008 Camp Pendleton CA 4.40 080350004 Chatfield Park - 11500 N. Roxborough Par CO 4.20 090032006 East Hartford - High Street CT 4.20 000065801 Chatham ON 4.20 000061502 Kitchener ON 3.70 080770017 Grand Junction - Powell Building CO 3.70 080130003 Longmont CO 3.70 000060903 London ON 3.30 080131001 Boulder - CU - 2102 Athens St. CO 3.10 000060204 Windsor Downtown ON 3.10 000020301 WELLINGTON PE 3.00 000054401 Saint-Anicet QC 2.80 080010006 Commerce City - 7101 Birch St. CO 2.80 061110007 Thousand Oaks - Moorpark Road CA 2.80 000062501 Tiverton ON 2.70 090110124 Groton Fort Griswold CT 2.70 081230006 Greeley Hospital CO 2.50 000061302 St. Catharines ON 2.10 000061201 Cornwall ON 2.00 090050004 Thomaston CT 2.00 060570005 Grass Valley CA 2.00 000063701 Grand Bend ON 1.90 060750005 San Francisco - Arkansas Street CA 1.70 120310077 Sheffield Elementary School FL 1.60 061110009 Piru - Pacific CA 1.60 000061104 Peterborough ON 1.40 080410017 Colorado College CO 1.40 000040901 ST ANDREWS NB 1.30 000061004 Sarnia ON 1.20 120310098 Mandarin FL 1.10 061112002 Simi Valley - Cochran Street CA 0.80 060250005 Calexico - Ethel Street CA 0.60 120310100 Mayo Clinic FL 0.60 060950004 Vallejo - 304 Tuolumne Street CA 0.60 000060303 Kingston ON 0.60 000040203 FOREST HILLS NB #coincidences 10-30 and Corr > 0.5 39.60 000010401 Mount Pearl NF 23.70 040134010 Dysart AZ 17.30 000030310 SYDNEY NS 16.40 000030501 KEJIMKUJIK NATIONAL NS 8.50 060010011 Oakland West CA 6.70 000060424 Toronto Downtown ON 5.50 080450007 Rifle Particulate CO 4.70 000052301 Saint-Faustin QC 4.40 060070002 Chico - Manzanita CA 3.20 000020104 CHARLOTTETOWN PE 3.00 000040209 CASTLE ST. SAINT JO NB 2.60 000040801 CANTERBURY NB 2.50 000052201 Brossard QC 2.40 000050129 Rivière-des-Prairies QC 2.20 000040302 MONCTON NB 1.80 000050504 Université Chicoutimi QC 1.60 090011123 Danbury CT 1.40 000041302 BATHURST NB 1.00 000050110 Parc Pilon QC 0.90 000050126 Sainte-Anne-de-Bellevue QC 0.50 000070203 Brandon MB Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 11.70 040191034 Coachline AZ 10.80 040138005 Estrella AZ 10.70 060831008 Santa Maria - Broadway CA 10.00 060832004 Lompoc H Street CA 9.80 061111004 Ojai - Ojai Ave. CA 9.80 040139998 Vehicle Emissions Laboratory AZ 8.30 040130019 West Phoenix AZ 7.10 060830011 Santa Barbara CA 6.40 060650012 Banning - South Hathaway Street CA 6.30 040139812 Durango AZ 6.10 060670010 Sacramento - T Street CA 6.10 000020401 SOUTHAMPTON PE 5.70 060670012 Folsom CA 5.70 060670006 Sacramento - Del Paso Manor CA 5.70 060010007 Livermore - Rincon CA 5.70 040191030 Green Valley AZ 5.60 060950004 Vallejo - 304 Tuolumne Street CA 5.40 040191032 Rose Elementary AZ 5.30 060850005 San Jose - Jackson St. CA 5.20 060811001 Redwood City CA 4.60 061131003 Woodland CA 4.60 060670011 Elk Grove CA 4.60 060610006 Roseville - N.Sunrise/Douglas CA 4.40 060959999 Rio Vista CA 4.20 060550003 Napa - Jefferson St CA 4.10 080131001 Boulder - CU - 2102 Athens St. CO 4.00 060731010 San Diego - Beardsley Street CA 3.90 080130003 Longmont CO 3.80 080770017 Grand Junction - Powell Building CO 3.70 000065301 Port Stanley ON 3.70 000060903 London ON 3.60 080350004 Chatfield Park - 11500 N. Roxborough Par CO 3.50 060271023 Bishop Paiute Tribe-CA CA 3.40 060410003 Point Reyes CA 3.30 000065801 Chatham ON 3.20 060953002 Vacaville CA 3.20 060570005 Grass Valley CA 3.20 000010301 Cornerbrook NF 2.50 081230006 Greeley Hospital CO 2.50 040191113 Geronimo AZ 2.50 000062501 Tiverton ON 2.50 000060204 Windsor Downtown ON 2.30 000065001 Barrie ON 2.20 000061502 Kitchener ON 2.20 000061004 Sarnia ON 2.10 061110007 Thousand Oaks - Moorpark Road CA 2.00 080010006 Commerce City - 7101 Birch St. CO 2.00 060571001 Truckee BAM CA 1.90 100032004 MLK DE 1.80 060250005 Calexico - Ethel Street CA 1.70 000063701 Grand Bend ON 1.70 000061302 St. Catharines ON 1.70 000061201 Cornwall ON 1.60 090032006 East Hartford - High Street CT 1.60 080310013 Denver - NJH - 14th Ave. & Albion St. CO 1.60 000061402 Brantford ON 1.50 060731008 Camp Pendleton CA 1.50 000054401 Saint-Anicet QC 1.40 060250006 Calexico - East CA 1.40 000051501 Zéphirin QC 1.30 080410017 Colorado College CO 1.30 061112002 Simi Valley - Cochran Street CA 0.90 120310077 Sheffield Elementary School FL 0.90 080310002 Denver - CAMP - 2105 Broadway CO 0.90 061110009 Piru - Pacific CA 0.90 061072002 Visalia - N. Church Street CA 0.80 120310098 Mandarin FL 0.60 061113001 El Rio - Rio Mesa School #2 CA 0.60 000065701 Morrisburg ON 0.60 000020301 WELLINGTON PE 0.50 090110124 Groton Fort Griswold CT 0.50 060750005 San Francisco - Arkansas Street CA 0.50 000061104 Peterborough ON 0.50 000040901 ST ANDREWS NB #coincidences 10-30 and Corr > 0.5 23.60 000010401 Mount Pearl NF 12.30 040134010 Dysart AZ 9.20 000030501 KEJIMKUJIK NATIONAL NS 8.10 000030310 SYDNEY NS 5.80 060010011 Oakland West CA 3.00 000060424 Toronto Downtown ON 2.40 000052201 Brossard QC 2.40 000050129 Rivière-des-Prairies QC 1.90 000053301 Deschambault QC 1.90 000050504 Université Chicoutimi QC 1.80 000052301 Saint-Faustin QC 1.70 090050005 Cornwall CT 1.70 060070002 Chico - Manzanita CA 1.50 000050110 Parc Pilon QC 1.40 000050310 St-Charles Garnier QC 1.20 000070203 Brandon MB 1.20 000040209 CASTLE ST. SAINT JO NB 1.10 000050126 Sainte-Anne-de-Bellevue QC 1.10 000040302 MONCTON NB 1.00 000050105 Drummond QC 0.90 000050121 PARC OCÉANIE QC 0.80 000053701 HILAIRE QC 0.70 000100055 Langford Lakewood Elementary School BC 0.60 000052001 Charette QC 0.50 080450007 Rifle Particulate CO Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 624.40 061130004 Davis CA 234.90 061070009 Sequoia/Kings Canyon - Ash Mountain CA 92.30 010331002 MSHOALS AL 82.40 060190008 Fresno - 1st Street CA 80.10 060431001 Yosemite Village - Visitor Center CA 73.80 060890007 Anderson CA 73.80 060670006 Sacramento - Del Paso Manor CA 63.20 060798001 Atascadero CA 54.40 060290014 Bakersfield - 5558 California Ave CA 47.90 060571001 Truckee BAM CA 46.20 060639901 Quincy BAM CA 41.50 060792004 Mesa 2 /Nipomo CA 38.40 060670010 Sacramento - T Street CA 37.70 060670011 Elk Grove CA 35.10 060830011 Santa Barbara CA 34.50 060610006 Roseville - N.Sunrise/Douglas CA 31.00 040191113 Geronimo AZ 30.30 000054501 L'Assomption QC 30.20 061131003 Woodland CA 27.00 061010003 Yuba City CA 25.00 060711004 Upland CA 24.40 060111002 Colusa - Sunrise Blvd. CA 23.60 060658001 Riverside - Rubidoux CA 23.20 061113001 El Rio - Rio Mesa School #2 CA 22.70 060371002 Burbank - W. Palm Ave CA 21.50 010730023 NO. BHAM AL 21.10 120470015 White Springs FL 20.80 060650012 Banning - South Hathaway Street CA 20.40 060371103 Los Angeles - N. Main Street CA 19.90 120730012 Tallahassee Community College FL 18.80 060710005 Lake Gregory - Crestline CA 18.80 010732003 WYLAM AL 18.50 060731006 Alpine CA 18.10 060731002 Escondido CA 18.10 060370016 Glendora - Laurel CA 18.00 060730003 El Cajon - Redwood Ave CA 17.70 120230002 Lake City FL 17.40 011011002 MONTG AL 17.20 010731010 LEEDS AL 17.10 010735002 PINSON AL 16.90 060310004 Corcoran CA 16.50 060659001 Lake Elsinore - W. Flint Street CA 16.20 010731005 MCADORY AL 16.10 080310002 Denver - CAMP - 2105 Broadway CO 16.10 060590007 Anaheim CA 15.80 010970003 CHICK. AL 15.40 120590004 Bonifay FL 15.40 120571065 gandy FL 15.20 011190002 GASTON AL 15.10 120573002 SYDNEY FL 15.10 060731010 San Diego - Beardsley Street CA 14.90 010735003 CORNER AL 14.80 061112002 Simi Valley - Cochran Street CA 14.70 010732006 HOOVER AL 14.60 120570030 PCEIA3 FL 14.30 061110009 Piru - Pacific CA 14.20 060950004 Vallejo - 304 Tuolumne Street CA 14.20 040139812 Durango AZ 14.00 120330004 Ellyson Industrial Park FL 13.90 120050006 St. Andrews Park FL 13.70 051190007 PARR AR 13.60 120710005 Winkler Pump Station FL 13.50 090090027 New Haven - Criscuolo Park CT 13.40 050350005 MARION AR 13.30 061110007 Thousand Oaks - Moorpark Road CA 13.30 051191008 ADEQ-DSR AR 13.20 120210004 Laurel Oaks Elementary FL 13.10 010731009 PROVIDENCE AL 12.70 100032004 MLK DE 12.60 060250006 Calexico - East CA 12.50 051390006 El Dorado AR 12.10 060250005 Calexico - Ethel Street CA 12.00 060750005 San Francisco - Arkansas Street CA 12.00 000060512 Hamilton Downtown ON 11.70 080310025 Denver Animal Shelter - 678 S. Jason St. CO 11.70 060072001 Paradise - Birch Street CA 11.60 060731008 Camp Pendleton CA 11.50 090092123 Waterbury CT 11.30 120013011 Payne's Prarie FL 10.90 120090011 Fay Park FL 10.60 061072002 Visalia - N. Church Street CA 10.50 060850005 San Jose - Jackson St. CA 10.30 090110124 Groton Fort Griswold CT 10.30 051430005 SPRNGDLE AR 10.20 120090007 Melbourne FL 10.20 000040207 SAINT JOHN WEST NB 10.10 060990005 Modesto - 14th Street CA 9.70 060831008 Santa Maria - Broadway CA 9.60 040130019 West Phoenix AZ 9.50 060210002 Willows - E. Laurel Street CA 9.40 060832004 Lompoc H Street CA 9.40 060074001 Gridley CA 9.10 061111004 Ojai - Ojai Ave. CA 9.10 060410003 Point Reyes CA 9.00 060959999 Rio Vista CA 8.80 120310100 Mayo Clinic FL 8.80 000050801 Ursulines QC 8.80 000010301 Cornerbrook NF 8.70 080770017 Grand Junction - Powell Building CO 8.70 080310013 Denver - NJH - 14th Ave. & Albion St. CO 8.60 000054703 Bécancour (Aréna) QC 8.50 120310098 Mandarin FL 8.20 120310077 Sheffield Elementary School FL 8.20 060550003 Napa - Jefferson St CA 7.80 060010007 Livermore - Rincon CA 7.70 090050004 Thomaston CT 7.70 060953002 Vacaville CA 7.70 000090402 Medicine Hat - Crescent Hts AB 7.70 000061302 St. Catharines ON 7.70 000061004 Sarnia ON 7.60 060811001 Redwood City CA 7.60 000060709 Sault Ste Marie ON 7.50 000091101 Elk Island AB 7.00 090032006 East Hartford - High Street CT 7.00 040139998 Vehicle Emissions Laboratory AZ 7.00 000100059 Grand Forks City Hall BC 7.00 000040203 FOREST HILLS NB 6.90 080410017 Colorado College CO 6.70 000051501 Zéphirin QC 6.50 000061201 Cornwall ON 6.30 000065401 Belleville ON 6.30 000065001 Barrie ON 6.20 081230006 Greeley Hospital CO 6.20 000061502 Kitchener ON 6.20 000054401 Saint-Anicet QC 6.10 080010006 Commerce City - 7101 Birch St. CO 6.00 060570005 Grass Valley CA 6.00 000065701 Morrisburg ON 6.00 000060204 Windsor Downtown ON 5.90 040191034 Coachline AZ 5.90 040191032 Rose Elementary AZ 5.80 040191030 Green Valley AZ 5.70 080131001 Boulder - CU - 2102 Athens St. CO 5.70 000065201 Parry Sound ON 5.70 000061402 Brantford ON 5.60 080130003 Longmont CO 5.60 060670012 Folsom CA 5.50 060271023 Bishop Paiute Tribe-CA CA 5.50 040138005 Estrella AZ 5.50 000060903 London ON 5.40 000060104 Ottawa ON 5.40 000020301 WELLINGTON PE 5.20 000063701 Grand Bend ON 5.20 000060609 Sudbury ON 5.10 000060303 Kingston ON 4.80 000065801 Chatham ON 4.80 000063301 Dorset ON 4.70 000062001 North Bay ON 4.60 080350004 Chatfield Park - 11500 N. Roxborough Par CO 4.60 000061104 Peterborough ON 4.40 000065301 Port Stanley ON 4.30 000040901 ST ANDREWS NB 3.70 000062501 Tiverton ON 2.70 000020401 SOUTHAMPTON PE #coincidences 10-30 and Corr > 0.5 85.20 000040103 FREDERICTON NB 26.80 000051201 Frigon QC 23.10 090050005 Cornwall CT 19.30 011030011 DECATUR AL 18.70 010890014 Huntsville Old Airport AL 14.30 120111002 DAVIE FL 14.20 000100040 Williams Lake CRD School BC 13.00 000050105 Drummond QC 11.00 080450007 Rifle Particulate CO 9.70 090011123 Danbury CT 9.50 000100004 PRG Plaza 400 BC 9.20 000100009 Quesnel Maple Drive BC 8.40 000055201 Lemieux QC 8.30 060010011 Oakland West CA 7.90 000100014 PRG Gladstone School BC 7.60 000100029 Smithers St Josephs BC 7.50 000080110 Regina SK 7.10 000111301 Langley BC 7.00 000050113 Chomedey QC 6.90 000100007 Kamloops Brocklehurst BC 6.70 000050128 Aéroport de Montréal 1 QC 6.50 000100016 Kitimat Rail BC 6.50 000041302 BATHURST NB 6.10 000100036 Quesnel West Correlieu School BC 6.10 000050308 Des Sables QC 6.10 000050131 Hochelaga QC 6.00 000040209 CASTLE ST. SAINT JO NB 5.90 000070118 Winnipeg_Scotia MB 5.90 000010401 Mount Pearl NF 5.70 000070301 Flin Flon MB 5.70 000030310 SYDNEY NS 5.60 060070002 Chico - Manzanita CA 5.60 000100006 Williams Lake Columneetza School BC 5.60 000020104 CHARLOTTETOWN PE 5.30 000100021 Victoria Topaz BC 5.20 000060424 Toronto Downtown ON 5.20 000053201 PÉMONCA QC 5.20 000050121 PARC OCÉANIE QC 5.20 000050109 Duncan QC 5.10 000100031 Nanaimo Labieux Road BC 4.90 040134010 Dysart AZ 4.80 000053701 HILAIRE QC 4.70 000100055 Langford Lakewood Elementary School BC 4.70 000052301 Saint-Faustin QC 4.60 000100035 Golden Hospital BC 4.60 000054801 Stukely QC 4.50 000111101 Chilliwack BC 4.50 000030501 KEJIMKUJIK NATIONAL NS 4.40 000110119 Burnaby South BC 4.40 000053801 Tingwick QC 4.40 000053301 Deschambault QC 4.40 000052001 Charette QC 4.40 000050126 Sainte-Anne-de-Bellevue QC 4.20 000050110 Parc Pilon QC 4.10 000050310 St-Charles Garnier QC 3.40 000100005 Kelowna College BC 3.40 000070203 Brandon MB 3.20 000040302 MONCTON NB 2.80 000050129 Rivière-des-Prairies QC 2.80 000040801 CANTERBURY NB 2.50 000052201 Brossard QC 0.80 000050504 Université Chicoutimi QC Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 20.20 060650012 Banning - South Hathaway Street CA 18.30 040139998 Vehicle Emissions Laboratory AZ 18.30 040139812 Durango AZ 18.30 040138005 Estrella AZ 18.30 040134010 Dysart AZ 18.30 040130019 West Phoenix AZ 14.20 061070009 Sequoia/Kings Canyon - Ash Mountain CA 13.80 061113001 El Rio - Rio Mesa School #2 CA 13.80 061111004 Ojai - Ojai Ave. CA 13.80 060832004 Lompoc H Street CA 13.80 060831008 Santa Maria - Broadway CA 13.80 060830011 Santa Barbara CA 13.40 000030310 SYDNEY NS 12.60 040191034 Coachline AZ 12.00 000030120 Lake Major NS 11.90 000030501 KEJIMKUJIK NATIONAL NS 11.30 000070119 Winnipeg_Ellens MB 11.20 061112002 Simi Valley - Cochran Street CA 11.20 061110009 Piru - Pacific CA 11.20 061110007 Thousand Oaks - Moorpark Road CA 11.20 060731008 Camp Pendleton CA 11.20 060731002 Escondido CA 11.20 060711004 Upland CA 11.20 060710005 Lake Gregory - Crestline CA 11.20 060659001 Lake Elsinore - W. Flint Street CA 11.20 060658001 Riverside - Rubidoux CA 11.20 060590007 Anaheim CA 11.20 060371103 Los Angeles - N. Main Street CA 11.20 060371002 Burbank - W. Palm Ave CA 11.20 060370016 Glendora - Laurel CA 11.10 060731006 Alpine CA 11.10 060730003 El Cajon - Redwood Ave CA 11.10 060250006 Calexico - East CA 11.10 060250005 Calexico - Ethel Street CA 10.90 081230006 Greeley Hospital CO 10.90 080310025 Denver Animal Shelter - 678 S. Jason St. CO 10.90 080310013 Denver - NJH - 14th Ave. & Albion St. CO 10.90 080310002 Denver - CAMP - 2105 Broadway CO 10.90 080010006 Commerce City - 7101 Birch St. CO 10.90 060731010 San Diego - Beardsley Street CA 10.90 000070203 Brandon MB 10.80 080350004 Chatfield Park - 11500 N. Roxborough Par CO 10.80 080131001 Boulder - CU - 2102 Athens St. CO 10.80 080130003 Longmont CO 10.10 000063701 Grand Bend ON 10.10 000062501 Tiverton ON 9.90 100032004 MLK DE 9.90 080770017 Grand Junction - Powell Building CO 9.90 080450007 Rifle Particulate CO 9.50 000065801 Chatham ON 9.50 000065301 Port Stanley ON 9.50 000061004 Sarnia ON 9.50 000060903 London ON 9.30 090092123 Waterbury CT 9.30 090050005 Cornwall CT 9.30 090050004 Thomaston CT 9.30 090011123 Danbury CT 9.20 110010043 McMillan Reservoir DC 9.10 090110124 Groton Fort Griswold CT 9.10 090090027 New Haven - Criscuolo Park CT 9.10 090032006 East Hartford - High Street CT 8.30 000031001 Sable Island NS 8.10 040191113 Geronimo AZ 8.10 040191032 Rose Elementary AZ 8.10 040191030 Green Valley AZ 8.00 080410017 Colorado College CO 7.40 000080110 Regina SK 7.30 000030901 PICTOU NS 7.30 000020401 SOUTHAMPTON PE 6.60 000070118 Winnipeg_Scotia MB 6.50 120090011 Fay Park FL 6.50 120090007 Melbourne FL 6.30 061072002 Visalia - N. Church Street CA 6.30 060798001 Atascadero CA 6.30 060792004 Mesa 2 /Nipomo CA 6.30 060310004 Corcoran CA 6.30 060290014 Bakersfield - 5558 California Ave CA 6.30 060190008 Fresno - 1st Street CA 6.20 000010301 Cornerbrook NF 5.80 120330004 Ellyson Industrial Park FL 5.80 010970003 CHICK. AL 5.60 060271023 Bishop Paiute Tribe-CA CA 5.40 051390006 El Dorado AR 5.40 051191008 ADEQ-DSR AR 5.40 051190007 PARR AR 5.30 120111002 DAVIE FL 5.30 061131003 Woodland CA 5.30 061130004 Davis CA 5.30 060959999 Rio Vista CA 5.30 060953002 Vacaville CA 5.30 060950004 Vallejo - 304 Tuolumne Street CA 5.30 060850005 San Jose - Jackson St. CA 5.30 060811001 Redwood City CA 5.30 060750005 San Francisco - Arkansas Street CA 5.30 060670012 Folsom CA 5.30 060670011 Elk Grove CA 5.30 060670010 Sacramento - T Street CA 5.30 060670006 Sacramento - Del Paso Manor CA 5.30 060610006 Roseville - N.Sunrise/Douglas CA 5.30 060550003 Napa - Jefferson St CA 5.30 060410003 Point Reyes CA 5.30 060010011 Oakland West CA 5.30 060010007 Livermore - Rincon CA 5.20 051430005 SPRNGDLE AR 5.20 000040209 CASTLE ST. SAINT JO NB 5.20 000040207 SAINT JOHN WEST NB 5.20 000040203 FOREST HILLS NB 5.20 000040103 FREDERICTON NB 5.10 000065201 Parry Sound ON 5.10 000062001 North Bay ON 5.10 000060609 Sudbury ON 5.10 000060204 Windsor Downtown ON 5.10 000040901 ST ANDREWS NB 5.10 000040801 CANTERBURY NB 5.00 000065701 Morrisburg ON 5.00 000060303 Kingston ON 4.90 000060104 Ottawa ON 4.90 000052401 La Pêche QC 4.90 000040302 MONCTON NB 4.90 000030701 AYLESFORD MOUNTAIN NS 4.90 000020301 WELLINGTON PE 4.90 000020104 CHARLOTTETOWN PE 4.90 000010401 Mount Pearl NF 4.80 050350005 MARION AR 4.80 000065001 Barrie ON 4.80 000061502 Kitchener ON 4.80 000061402 Brantford ON 4.80 000061302 St. Catharines ON 4.80 000060512 Hamilton Downtown ON 4.80 000060424 Toronto Downtown ON 4.70 000090402 Medicine Hat - Crescent Hts AB 4.60 000065401 Belleville ON 4.60 000061104 Peterborough ON 4.50 060990005 Modesto - 14th Street CA 4.50 060431001 Yosemite Village - Visitor Center CA 4.40 000070301 Flin Flon MB 4.20 000100055 Langford Lakewood Elementary School BC 4.20 000100021 Victoria Topaz BC 4.20 000063301 Dorset ON 3.80 120710005 Winkler Pump Station FL 3.80 120210004 Laurel Oaks Elementary FL 3.80 000060709 Sault Ste Marie ON 3.80 000055201 Lemieux QC 3.80 000054801 Stukely QC 3.80 000054703 Bécancour (Aréna) QC 3.80 000053801 Tingwick QC 3.80 000053701 HILAIRE QC 3.80 000053601 N.-D.-du-Rosaire QC 3.80 000053301 Deschambault QC 3.80 000052001 Charette QC 3.80 000051501 Zéphirin QC 3.80 000051201 Frigon QC 3.80 000050801 Ursulines QC 3.80 000050404 Parc Cambron QC 3.80 000050310 St-Charles Garnier QC 3.80 000050308 Des Sables QC 3.60 120590004 Bonifay FL 3.60 120050006 St. Andrews Park FL 3.60 000041302 BATHURST NB 3.40 060639901 Quincy BAM CA 3.40 060571001 Truckee BAM CA 3.40 010731009 PROVIDENCE AL 3.40 010731005 MCADORY AL 3.40 010331002 MSHOALS AL 3.10 000053201 PÉMONCA QC 3.10 000050504 Université Chicoutimi QC 2.90 061010003 Yuba City CA 2.90 060890007 Anderson CA 2.90 060570005 Grass Valley CA 2.90 060210002 Willows - E. Laurel Street CA 2.90 060111002 Colusa - Sunrise Blvd. CA 2.90 060074001 Gridley CA 2.90 060072001 Paradise - Birch Street CA 2.90 060070002 Chico - Manzanita CA 2.80 000061201 Cornwall ON 2.80 000054501 L'Assomption QC 2.80 000054401 Saint-Anicet QC 2.80 000052301 Saint-Faustin QC 2.80 000052201 Brossard QC 2.80 000050131 Hochelaga QC 2.80 000050129 Rivière-des-Prairies QC 2.80 000050128 Aéroport de Montréal 1 QC 2.80 000050126 Sainte-Anne-de-Bellevue QC 2.80 000050121 PARC OCÉANIE QC 2.80 000050113 Chomedey QC 2.80 000050110 Parc Pilon QC 2.80 000050109 Duncan QC 2.80 000050105 Drummond QC 2.60 120730012 Tallahassee Community College FL 2.40 011011002 MONTG AL 2.40 000100058 Quadra Island Cape M BC 2.30 120573002 SYDNEY FL 2.30 120571065 gandy FL 2.30 120570030 PCEIA3 FL 2.20 120470015 White Springs FL 2.20 120310100 Mayo Clinic FL 2.20 120310098 Mandarin FL 2.20 120310077 Sheffield Elementary School FL 2.20 120230002 Lake City FL 2.20 120013011 Payne's Prarie FL 2.20 011190002 GASTON AL 1.90 000100035 Golden Hospital BC 1.90 000100029 Smithers St Josephs BC 1.90 000100023 Terrace BC Access Centre BC 1.90 000100016 Kitimat Rail BC 1.90 000100012 Kitimat Riverlodge BC 1.90 000091101 Elk Island AB 1.80 011030011 DECATUR AL 1.80 010890014 Huntsville Old Airport AL 1.80 010735003 CORNER AL 1.80 010735002 PINSON AL 1.80 010732006 HOOVER AL 1.80 010732003 WYLAM AL 1.80 010731010 LEEDS AL 1.80 010730023 NO. BHAM AL 1.40 000111301 Langley BC 1.40 000111101 Chilliwack BC 1.40 000110119 Burnaby South BC 1.40 000100033 Whistler Meadow Park BC 1.40 000100031 Nanaimo Labieux Road BC 1.30 000100049 Osoyoos Canada Customs BC 1.30 000100007 Kamloops Brocklehurst BC 1.30 000100005 Kelowna College BC 1.10 000100014 PRG Gladstone School BC 1.10 000100004 PRG Plaza 400 BC 1.00 000100040 Williams Lake CRD School BC 1.00 000100036 Quesnel West Correlieu School BC 1.00 000100009 Quesnel Maple Drive BC 1.00 000100006 Williams Lake Columneetza School BC 0.90 000100022 Houston Firehall BC 0.80 000100059 Grand Forks City Hall BC 0.80 000100052 Nelson Kutenai Place BC AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)