Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.61 000020401 SOUTHAMPTON PE 0.60 000050801 Ursulines QC 0.58 000061201 Cornwall ON 0.57 060731010 San Diego - Beardsley Street CA 0.56 010970003 CHICK. AL 0.54 010731010 LEEDS AL 0.53 000051501 Zéphirin QC 0.52 000065001 Barrie ON 0.50 060831008 Santa Maria - Broadway CA #coincidences 10-30 and Corr > 0.5 0.72 000050129 Rivière-des-Prairies QC 0.68 000050126 Sainte-Anne-de-Bellevue QC 0.65 000053201 PÉMONCA QC 0.65 000050131 Hochelaga QC 0.64 000030501 KEJIMKUJIK NATIONAL NS 0.61 000050113 Chomedey QC 0.60 000070203 Brandon MB 0.59 000052201 Brossard QC 0.58 000050110 Parc Pilon QC 0.58 000050109 Duncan QC 0.57 000053301 Deschambault QC 0.56 000050121 PARC OCÉANIE QC 0.55 010890014 Huntsville Old Airport AL 0.54 000053801 Tingwick QC 0.54 000050128 Aéroport de Montréal 1 QC 0.53 000052401 La Pêche QC 0.53 000050310 St-Charles Garnier QC 0.52 000050404 Parc Cambron QC Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences >30 and Corr > 0.5 0.90 011190002 GASTON AL 0.83 010970003 CHICK. AL 0.82 000020401 SOUTHAMPTON PE 0.79 090090027 New Haven - Criscuolo Park CT 0.78 060731008 Camp Pendleton CA 0.77 061130004 Davis CA 0.73 011011002 MONTG AL 0.72 060831008 Santa Maria - Broadway CA 0.71 060731010 San Diego - Beardsley Street CA 0.71 000054501 L'Assomption QC 0.70 000063701 Grand Bend ON 0.68 010731010 LEEDS AL 0.67 010732006 HOOVER AL 0.66 010735003 CORNER AL 0.65 060832004 Lompoc H Street CA 0.64 120050006 St. Andrews Park FL 0.64 010732003 WYLAM AL 0.63 010735002 PINSON AL 0.62 120330004 Ellyson Industrial Park FL 0.62 000061201 Cornwall ON 0.61 060670012 Folsom CA 0.61 010730023 NO. BHAM AL 0.60 060731002 Escondido CA 0.60 010731005 MCADORY AL 0.59 090050004 Thomaston CT 0.59 090032006 East Hartford - High Street CT 0.59 010731009 PROVIDENCE AL 0.58 000061302 St. Catharines ON 0.57 060610006 Roseville - N.Sunrise/Douglas CA 0.57 000062501 Tiverton ON 0.56 060370016 Glendora - Laurel CA 0.55 061112002 Simi Valley - Cochran Street CA 0.55 060371002 Burbank - W. Palm Ave CA 0.54 090092123 Waterbury CT 0.54 060659001 Lake Elsinore - W. Flint Street CA 0.54 051390006 El Dorado AR 0.53 061110007 Thousand Oaks - Moorpark Road CA 0.53 060950004 Vallejo - 304 Tuolumne Street CA 0.52 060830011 Santa Barbara CA 0.52 000050801 Ursulines QC 0.51 000051501 Zéphirin QC 0.50 000060512 Hamilton Downtown ON #coincidences 10-30 and Corr > 0.5 0.95 000050113 Chomedey QC 0.91 000050110 Parc Pilon QC 0.89 000050105 Drummond QC 0.86 000050129 Rivière-des-Prairies QC 0.85 000050126 Sainte-Anne-de-Bellevue QC 0.84 000053301 Deschambault QC 0.83 000050310 St-Charles Garnier QC 0.81 000050109 Duncan QC 0.81 000030501 KEJIMKUJIK NATIONAL NS 0.80 000050131 Hochelaga QC 0.79 000053801 Tingwick QC 0.76 010890014 Huntsville Old Airport AL 0.75 000050128 Aéroport de Montréal 1 QC 0.73 040134010 Dysart AZ 0.70 011030011 DECATUR AL 0.70 000052001 Charette QC 0.68 000031001 Sable Island NS 0.67 000070203 Brandon MB 0.65 000052201 Brossard QC 0.63 000050121 PARC OCÉANIE QC 0.62 000040801 CANTERBURY NB 0.61 000070119 Winnipeg_Ellens MB 0.57 000030901 PICTOU NS 0.55 000050308 Des Sables QC 0.52 000060424 Toronto Downtown ON 0.51 000055201 Lemieux QC 0.50 000080110 Regina SK 0.50 000054801 Stukely QC Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 19.10 060650012 Banning - South Hathaway Street CA 17.20 040138005 Estrella AZ 15.80 040139998 Vehicle Emissions Laboratory AZ 14.00 040130019 West Phoenix AZ 11.50 060831008 Santa Maria - Broadway CA 11.30 061111004 Ojai - Ojai Ave. CA 10.60 000020401 SOUTHAMPTON PE 10.20 060832004 Lompoc H Street CA 10.00 061113001 El Rio - Rio Mesa School #2 CA 8.70 040191030 Green Valley AZ 8.10 040191032 Rose Elementary AZ 7.60 040139812 Durango AZ 7.30 060670012 Folsom CA 6.70 000010301 Cornerbrook NF 6.30 000065001 Barrie ON 5.60 080350004 Chatfield Park - 11500 N. Roxborough Par CO 5.50 000061402 Brantford ON 5.30 080131001 Boulder - CU - 2102 Athens St. CO 5.10 060731008 Camp Pendleton CA 5.00 060811001 Redwood City CA 4.90 060271023 Bishop Paiute Tribe-CA CA 4.70 060010007 Livermore - Rincon CA 4.60 000065301 Port Stanley ON 4.50 000061502 Kitchener ON 4.30 080010006 Commerce City - 7101 Birch St. CO 4.30 060610006 Roseville - N.Sunrise/Douglas CA 4.30 000062501 Tiverton ON 4.20 081230006 Greeley Hospital CO 4.10 060550003 Napa - Jefferson St CA 4.00 000065801 Chatham ON 3.80 060953002 Vacaville CA 3.70 000060903 London ON 3.70 000060204 Windsor Downtown ON 3.50 000052301 Saint-Faustin QC 3.20 120330004 Ellyson Industrial Park FL 3.10 060731010 San Diego - Beardsley Street CA 3.00 090110124 Groton Fort Griswold CT 3.00 060410003 Point Reyes CA 2.90 090032006 East Hartford - High Street CT 2.80 080770017 Grand Junction - Powell Building CO 2.80 060959999 Rio Vista CA 2.60 120310077 Sheffield Elementary School FL 2.60 000063701 Grand Bend ON 2.60 000061302 St. Catharines ON 2.50 000061104 Peterborough ON 2.20 000054401 Saint-Anicet QC 2.10 090050004 Thomaston CT 2.10 060850005 San Jose - Jackson St. CA 1.90 120310098 Mandarin FL 1.90 000061201 Cornwall ON 1.80 000020301 WELLINGTON PE 1.50 080310013 Denver - NJH - 14th Ave. & Albion St. CO 1.50 080310002 Denver - CAMP - 2105 Broadway CO 1.50 061110007 Thousand Oaks - Moorpark Road CA 1.40 120310100 Mayo Clinic FL 1.40 090011123 Danbury CT 1.40 080410017 Colorado College CO 1.00 061110009 Piru - Pacific CA 1.00 000040901 ST ANDREWS NB 0.90 000060609 Sudbury ON 0.80 000065201 Parry Sound ON 0.80 000060303 Kingston ON 0.70 060659001 Lake Elsinore - W. Flint Street CA 0.70 000061004 Sarnia ON 0.60 000062001 North Bay ON 0.50 120050006 St. Andrews Park FL 0.50 000065701 Morrisburg ON 0.50 000065401 Belleville ON #coincidences 10-30 and Corr > 0.5 39.40 000010401 Mount Pearl NF 27.10 040191034 Coachline AZ 23.00 040134010 Dysart AZ 17.20 000031001 Sable Island NS 14.70 000030501 KEJIMKUJIK NATIONAL NS 6.90 000060424 Toronto Downtown ON 6.80 000030901 PICTOU NS 6.30 080450007 Rifle Particulate CO 6.10 060010011 Oakland West CA 5.60 080130003 Longmont CO 4.70 000041302 BATHURST NB 3.10 000040801 CANTERBURY NB 2.50 000050504 Université Chicoutimi QC 1.90 000020104 CHARLOTTETOWN PE 1.70 000070119 Winnipeg_Ellens MB 1.60 000052201 Brossard QC 1.30 060070002 Chico - Manzanita CA 1.30 000050129 Rivière-des-Prairies QC 1.00 000040209 CASTLE ST. SAINT JO NB 0.80 000070203 Brandon MB Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 11.00 040138005 Estrella AZ 10.50 060831008 Santa Maria - Broadway CA 10.10 040139998 Vehicle Emissions Laboratory AZ 9.40 061111004 Ojai - Ojai Ave. CA 9.20 061113001 El Rio - Rio Mesa School #2 CA 9.10 060832004 Lompoc H Street CA 8.80 040130019 West Phoenix AZ 8.00 060650012 Banning - South Hathaway Street CA 6.50 040139812 Durango AZ 6.10 000020401 SOUTHAMPTON PE 6.00 040191030 Green Valley AZ 5.80 060830011 Santa Barbara CA 5.40 040191032 Rose Elementary AZ 5.30 060670006 Sacramento - Del Paso Manor CA 5.10 060670012 Folsom CA 5.00 060670010 Sacramento - T Street CA 4.80 060811001 Redwood City CA 4.80 060010007 Livermore - Rincon CA 4.70 060950004 Vallejo - 304 Tuolumne Street CA 4.70 000010301 Cornerbrook NF 4.60 080131001 Boulder - CU - 2102 Athens St. CO 4.60 060670011 Elk Grove CA 4.00 060610006 Roseville - N.Sunrise/Douglas CA 3.90 080350004 Chatfield Park - 11500 N. Roxborough Par CO 3.90 061131003 Woodland CA 3.70 080770017 Grand Junction - Powell Building CO 3.70 060959999 Rio Vista CA 3.70 060731010 San Diego - Beardsley Street CA 3.70 000060903 London ON 3.60 060550003 Napa - Jefferson St CA 3.50 060850005 San Jose - Jackson St. CA 3.50 000065301 Port Stanley ON 3.50 000065001 Barrie ON 3.40 000062501 Tiverton ON 3.20 060271023 Bishop Paiute Tribe-CA CA 3.10 081230006 Greeley Hospital CO 3.10 000061502 Kitchener ON 3.00 040191113 Geronimo AZ 3.00 000065801 Chatham ON 3.00 000060204 Windsor Downtown ON 2.70 060570005 Grass Valley CA 2.70 000061302 St. Catharines ON 2.60 000061402 Brantford ON 2.50 060410003 Point Reyes CA 2.50 000063701 Grand Bend ON 2.40 120310077 Sheffield Elementary School FL 2.20 080310013 Denver - NJH - 14th Ave. & Albion St. CO 2.20 080010006 Commerce City - 7101 Birch St. CO 2.20 060953002 Vacaville CA 2.20 000061004 Sarnia ON 2.10 000052301 Saint-Faustin QC 2.00 080310002 Denver - CAMP - 2105 Broadway CO 1.90 120050006 St. Andrews Park FL 1.80 120310100 Mayo Clinic FL 1.70 120310098 Mandarin FL 1.70 080410017 Colorado College CO 1.60 060250005 Calexico - Ethel Street CA 1.60 000061201 Cornwall ON 1.60 000061104 Peterborough ON 1.50 060250006 Calexico - East CA 1.50 000054401 Saint-Anicet QC 1.40 120330004 Ellyson Industrial Park FL 1.40 060571001 Truckee BAM CA 1.30 120590004 Bonifay FL 1.20 000065701 Morrisburg ON 1.20 000051501 Zéphirin QC 1.10 100032004 MLK DE 1.10 000060512 Hamilton Downtown ON 0.90 061110007 Thousand Oaks - Moorpark Road CA 0.80 000060609 Sudbury ON 0.70 000062001 North Bay ON 0.70 000060303 Kingston ON 0.60 090110124 Groton Fort Griswold CT 0.60 000065401 Belleville ON 0.60 000060104 Ottawa ON 0.50 090032006 East Hartford - High Street CT 0.50 061072002 Visalia - N. Church Street CA 0.50 060731008 Camp Pendleton CA 0.50 000065201 Parry Sound ON 0.50 000040901 ST ANDREWS NB #coincidences 10-30 and Corr > 0.5 27.10 000010401 Mount Pearl NF 13.10 000031001 Sable Island NS 12.50 040134010 Dysart AZ 11.30 040191034 Coachline AZ 8.30 000030501 KEJIMKUJIK NATIONAL NS 5.30 060010011 Oakland West CA 4.80 080130003 Longmont CO 4.80 000030901 PICTOU NS 4.20 000060424 Toronto Downtown ON 1.90 000050129 Rivière-des-Prairies QC 1.80 000052201 Brossard QC 1.70 090050005 Cornwall CT 1.70 080450007 Rifle Particulate CO 1.70 000050504 Université Chicoutimi QC 1.60 000041302 BATHURST NB 1.30 060070002 Chico - Manzanita CA 1.20 000053301 Deschambault QC 1.20 000050110 Parc Pilon QC 1.10 000050126 Sainte-Anne-de-Bellevue QC 0.80 000070203 Brandon MB 0.80 000050121 PARC OCÉANIE QC 0.60 000100049 Osoyoos Canada Customs BC 0.50 000070119 Winnipeg_Ellens MB Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 500.70 061130004 Davis CA 225.40 061070009 Sequoia/Kings Canyon - Ash Mountain CA 83.60 060431001 Yosemite Village - Visitor Center CA 69.20 060890007 Anderson CA 59.20 060670006 Sacramento - Del Paso Manor CA 56.00 060639901 Quincy BAM CA 52.30 060571001 Truckee BAM CA 50.90 060190008 Fresno - 1st Street CA 41.50 060792004 Mesa 2 /Nipomo CA 38.50 060670010 Sacramento - T Street CA 37.70 060670011 Elk Grove CA 35.90 060830011 Santa Barbara CA 35.20 061131003 Woodland CA 34.80 060798001 Atascadero CA 33.90 060290014 Bakersfield - 5558 California Ave CA 31.20 000054501 L'Assomption QC 29.20 040191113 Geronimo AZ 25.30 060711004 Upland CA 23.70 060658001 Riverside - Rubidoux CA 23.60 060111002 Colusa - Sunrise Blvd. CA 23.20 060371002 Burbank - W. Palm Ave CA 22.10 010730023 NO. BHAM AL 20.80 060371103 Los Angeles - N. Main Street CA 20.10 010732003 WYLAM AL 19.80 120470015 White Springs FL 19.50 060731006 Alpine CA 19.10 060710005 Lake Gregory - Crestline CA 19.00 060730003 El Cajon - Redwood Ave CA 19.00 060370016 Glendora - Laurel CA 18.80 060650012 Banning - South Hathaway Street CA 18.60 060731002 Escondido CA 18.30 010731010 LEEDS AL 17.80 011011002 MONTG AL 17.40 120730012 Tallahassee Community College FL 17.40 010735002 PINSON AL 17.20 120230002 Lake City FL 17.00 060731010 San Diego - Beardsley Street CA 17.00 060310004 Corcoran CA 16.90 060590007 Anaheim CA 16.60 010731005 MCADORY AL 16.20 120571065 gandy FL 16.10 010970003 CHICK. AL 15.80 120590004 Bonifay FL 15.60 120573002 SYDNEY FL 15.40 061112002 Simi Valley - Cochran Street CA 15.40 060659001 Lake Elsinore - W. Flint Street CA 15.30 060950004 Vallejo - 304 Tuolumne Street CA 15.20 011190002 GASTON AL 15.10 040139812 Durango AZ 15.00 010735003 CORNER AL 15.00 010732006 HOOVER AL 14.80 120710005 Winkler Pump Station FL 14.80 061110009 Piru - Pacific CA 14.60 120570030 PCEIA3 FL 14.50 120330004 Ellyson Industrial Park FL 14.50 090090027 New Haven - Criscuolo Park CT 14.40 120210004 Laurel Oaks Elementary FL 14.30 061110007 Thousand Oaks - Moorpark Road CA 13.90 051191008 ADEQ-DSR AR 13.80 051190007 PARR AR 13.70 010731009 PROVIDENCE AL 13.20 050350005 MARION AR 12.90 060750005 San Francisco - Arkansas Street CA 12.80 100032004 MLK DE 12.70 060250006 Calexico - East CA 12.70 051390006 El Dorado AR 12.60 120050006 St. Andrews Park FL 12.60 060250005 Calexico - Ethel Street CA 12.40 090092123 Waterbury CT 11.80 080310025 Denver Animal Shelter - 678 S. Jason St. CO 11.50 061113001 El Rio - Rio Mesa School #2 CA 11.50 060210002 Willows - E. Laurel Street CA 11.50 060072001 Paradise - Birch Street CA 11.40 060731008 Camp Pendleton CA 11.20 120090011 Fay Park FL 11.10 120013011 Payne's Prarie FL 11.10 000060512 Hamilton Downtown ON 10.90 060832004 Lompoc H Street CA 10.80 060850005 San Jose - Jackson St. CA 10.70 051430005 SPRNGDLE AR 10.60 000040207 SAINT JOHN WEST NB 10.50 120090007 Melbourne FL 10.50 060831008 Santa Maria - Broadway CA 10.30 090110124 Groton Fort Griswold CT 10.30 080310002 Denver - CAMP - 2105 Broadway CO 10.20 060990005 Modesto - 14th Street CA 10.00 090011123 Danbury CT 9.90 061072002 Visalia - N. Church Street CA 9.80 061111004 Ojai - Ojai Ave. CA 9.70 040130019 West Phoenix AZ 9.60 080770017 Grand Junction - Powell Building CO 9.50 061010003 Yuba City CA 9.50 060959999 Rio Vista CA 9.50 060074001 Gridley CA 9.30 060410003 Point Reyes CA 9.10 000050801 Ursulines QC 9.00 080310013 Denver - NJH - 14th Ave. & Albion St. CO 8.70 060953002 Vacaville CA 8.60 090032006 East Hartford - High Street CT 8.50 060550003 Napa - Jefferson St CA 8.30 120310100 Mayo Clinic FL 8.30 000010301 Cornerbrook NF 8.20 060610006 Roseville - N.Sunrise/Douglas CA 8.20 060010007 Livermore - Rincon CA 8.20 000054703 Bécancour (Aréna) QC 8.10 120310098 Mandarin FL 8.10 000061302 St. Catharines ON 7.90 120310077 Sheffield Elementary School FL 7.90 090050004 Thomaston CT 7.90 000061004 Sarnia ON 7.50 060811001 Redwood City CA 7.30 080410017 Colorado College CO 7.20 040139998 Vehicle Emissions Laboratory AZ 7.20 000040203 FOREST HILLS NB 7.10 000090402 Medicine Hat - Crescent Hts AB 6.80 000051501 Zéphirin QC 6.60 000100059 Grand Forks City Hall BC 6.60 000091101 Elk Island AB 6.60 000065401 Belleville ON 6.40 060570005 Grass Valley CA 6.40 000054401 Saint-Anicet QC 6.30 060271023 Bishop Paiute Tribe-CA CA 6.20 081230006 Greeley Hospital CO 6.20 000061201 Cornwall ON 6.10 080010006 Commerce City - 7101 Birch St. CO 6.10 000061502 Kitchener ON 5.90 000061402 Brantford ON 5.80 040138005 Estrella AZ 5.70 000065701 Morrisburg ON 5.70 000060709 Sault Ste Marie ON 5.60 000060204 Windsor Downtown ON 5.40 000060303 Kingston ON 5.30 080131001 Boulder - CU - 2102 Athens St. CO 5.30 040191032 Rose Elementary AZ 5.30 000065001 Barrie ON 5.30 000060903 London ON 5.20 060670012 Folsom CA 5.20 000020301 WELLINGTON PE 4.90 000063701 Grand Bend ON 4.90 000060104 Ottawa ON 4.80 000065801 Chatham ON 4.80 000052301 Saint-Faustin QC 4.70 040191030 Green Valley AZ 4.60 000040901 ST ANDREWS NB 4.30 000061104 Peterborough ON 4.20 080350004 Chatfield Park - 11500 N. Roxborough Par CO 4.20 000065301 Port Stanley ON 4.20 000063301 Dorset ON 4.20 000062001 North Bay ON 3.70 000065201 Parry Sound ON 3.60 000060609 Sudbury ON 3.20 000062501 Tiverton ON 2.60 000020401 SOUTHAMPTON PE #coincidences 10-30 and Corr > 0.5 109.80 010331002 MSHOALS AL 85.10 000040103 FREDERICTON NB 23.70 000051201 Frigon QC 21.10 090050005 Cornwall CT 18.90 010890014 Huntsville Old Airport AL 17.90 011030011 DECATUR AL 15.60 000050105 Drummond QC 14.00 120111002 DAVIE FL 12.20 000100040 Williams Lake CRD School BC 9.80 000055201 Lemieux QC 9.60 000050113 Chomedey QC 9.60 000050109 Duncan QC 9.20 000100009 Quesnel Maple Drive BC 8.90 110010043 McMillan Reservoir DC 8.90 080450007 Rifle Particulate CO 8.90 000050128 Aéroport de Montréal 1 QC 8.80 060010011 Oakland West CA 8.70 000050131 Hochelaga QC 8.40 000100004 PRG Plaza 400 BC 7.90 000052001 Charette QC 7.60 000100014 PRG Gladstone School BC 7.60 000080110 Regina SK 7.20 000050308 Des Sables QC 7.10 000050126 Sainte-Anne-de-Bellevue QC 6.80 000050121 PARC OCÉANIE QC 6.70 000040209 CASTLE ST. SAINT JO NB 6.60 000030901 PICTOU NS 6.50 000054801 Stukely QC 6.50 000050110 Parc Pilon QC 6.40 000111301 Langley BC 6.40 000010401 Mount Pearl NF 6.10 040191034 Coachline AZ 6.10 000100036 Quesnel West Correlieu School BC 6.10 000100029 Smithers St Josephs BC 6.00 000020104 CHARLOTTETOWN PE 5.80 080130003 Longmont CO 5.80 000053801 Tingwick QC 5.60 000100006 Williams Lake Columneetza School BC 5.60 000053701 HILAIRE QC 5.50 000100016 Kitimat Rail BC 5.30 000100007 Kamloops Brocklehurst BC 5.30 000050310 St-Charles Garnier QC 5.30 000041302 BATHURST NB 5.20 000053301 Deschambault QC 5.20 000053201 PÉMONCA QC 5.10 040134010 Dysart AZ 5.10 000100031 Nanaimo Labieux Road BC 5.10 000050129 Rivière-des-Prairies QC 5.00 000100021 Victoria Topaz BC 4.90 060070002 Chico - Manzanita CA 4.90 000060424 Toronto Downtown ON 4.80 000100055 Langford Lakewood Elementary School BC 4.80 000031001 Sable Island NS 4.60 000111101 Chilliwack BC 4.60 000100035 Golden Hospital BC 4.60 000030501 KEJIMKUJIK NATIONAL NS 4.40 000052201 Brossard QC 4.30 000070301 Flin Flon MB 4.20 000110119 Burnaby South BC 4.10 000070118 Winnipeg_Scotia MB 3.80 000100012 Kitimat Riverlodge BC 3.40 000100005 Kelowna College BC 3.20 000070203 Brandon MB 2.80 000070119 Winnipeg_Ellens MB 2.80 000040801 CANTERBURY NB 2.00 000100049 Osoyoos Canada Customs BC 0.90 000050504 Université Chicoutimi QC Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 30.10 000030310 SYDNEY NS 25.90 000031001 Sable Island NS 22.30 061113001 El Rio - Rio Mesa School #2 CA 22.30 061111004 Ojai - Ojai Ave. CA 22.30 060832004 Lompoc H Street CA 22.30 060831008 Santa Maria - Broadway CA 22.30 060830011 Santa Barbara CA 19.80 000030901 PICTOU NS 19.80 000020401 SOUTHAMPTON PE 16.60 000010401 Mount Pearl NF 14.70 000030120 Lake Major NS 14.20 060731010 San Diego - Beardsley Street CA 11.40 051430005 SPRNGDLE AR 11.40 000030501 KEJIMKUJIK NATIONAL NS 11.20 061131003 Woodland CA 11.20 061130004 Davis CA 11.20 060959999 Rio Vista CA 11.20 060953002 Vacaville CA 11.20 060950004 Vallejo - 304 Tuolumne Street CA 11.20 060850005 San Jose - Jackson St. CA 11.20 060811001 Redwood City CA 11.20 060773005 TracyAP CA 11.20 060750005 San Francisco - Arkansas Street CA 11.20 060670012 Folsom CA 11.20 060670011 Elk Grove CA 11.20 060670010 Sacramento - T Street CA 11.20 060670006 Sacramento - Del Paso Manor CA 11.20 060610006 Roseville - N.Sunrise/Douglas CA 11.20 060550003 Napa - Jefferson St CA 11.20 060410003 Point Reyes CA 11.20 060010011 Oakland West CA 11.20 060010007 Livermore - Rincon CA 10.70 050350005 MARION AR 10.70 000010301 Cornerbrook NF 10.30 011030011 DECATUR AL 10.30 010890014 Huntsville Old Airport AL 10.30 010735003 CORNER AL 10.30 010735002 PINSON AL 10.30 010732006 HOOVER AL 10.30 010732003 WYLAM AL 10.30 010731010 LEEDS AL 10.30 010730023 NO. BHAM AL 10.00 010731009 PROVIDENCE AL 10.00 010731005 MCADORY AL 10.00 010331002 MSHOALS AL 8.90 120330004 Ellyson Industrial Park FL 8.90 010970003 CHICK. AL 8.90 000070119 Winnipeg_Ellens MB 8.60 061112002 Simi Valley - Cochran Street CA 8.60 061110009 Piru - Pacific CA 8.60 061110007 Thousand Oaks - Moorpark Road CA 8.60 060731008 Camp Pendleton CA 8.60 060731002 Escondido CA 8.60 060711004 Upland CA 8.60 060710005 Lake Gregory - Crestline CA 8.60 060659001 Lake Elsinore - W. Flint Street CA 8.60 060658001 Riverside - Rubidoux CA 8.60 060590007 Anaheim CA 8.60 060371103 Los Angeles - N. Main Street CA 8.60 060371002 Burbank - W. Palm Ave CA 8.60 060370016 Glendora - Laurel CA 8.40 120590004 Bonifay FL 8.40 120050006 St. Andrews Park FL 8.00 060731006 Alpine CA 8.00 060730003 El Cajon - Redwood Ave CA 8.00 060250006 Calexico - East CA 8.00 060250005 Calexico - Ethel Street CA 7.60 040191034 Coachline AZ 7.40 060650012 Banning - South Hathaway Street CA 7.40 011011002 MONTG AL 7.30 000040302 MONCTON NB 7.30 000030701 AYLESFORD MOUNTAIN NS 7.30 000020301 WELLINGTON PE 7.30 000020104 CHARLOTTETOWN PE 6.80 061010003 Yuba City CA 6.80 060890007 Anderson CA 6.80 060570005 Grass Valley CA 6.80 060210002 Willows - E. Laurel Street CA 6.80 060111002 Colusa - Sunrise Blvd. CA 6.80 060074001 Gridley CA 6.80 060072001 Paradise - Birch Street CA 6.80 060070002 Chico - Manzanita CA 6.80 000070118 Winnipeg_Scotia MB 6.30 061072002 Visalia - N. Church Street CA 6.30 060990005 Modesto - 14th Street CA 6.30 060798001 Atascadero CA 6.30 060792004 Mesa 2 /Nipomo CA 6.30 060431001 Yosemite Village - Visitor Center CA 6.30 060310004 Corcoran CA 6.30 060290014 Bakersfield - 5558 California Ave CA 6.30 060190008 Fresno - 1st Street CA 5.70 060639901 Quincy BAM CA 5.70 060571001 Truckee BAM CA 5.70 040139998 Vehicle Emissions Laboratory AZ 5.70 040139812 Durango AZ 5.70 040138005 Estrella AZ 5.70 040134010 Dysart AZ 5.70 040130019 West Phoenix AZ 5.70 000070301 Flin Flon MB 5.40 040191113 Geronimo AZ 5.40 040191032 Rose Elementary AZ 5.40 040191030 Green Valley AZ 4.80 061070009 Sequoia/Kings Canyon - Ash Mountain CA 4.50 090110124 Groton Fort Griswold CT 4.50 090090027 New Haven - Criscuolo Park CT 4.50 090032006 East Hartford - High Street CT 4.40 120710005 Winkler Pump Station FL 4.40 120210004 Laurel Oaks Elementary FL 4.40 060271023 Bishop Paiute Tribe-CA CA 4.00 080770017 Grand Junction - Powell Building CO 4.00 080450007 Rifle Particulate CO 4.00 000060204 Windsor Downtown ON 3.70 011190002 GASTON AL 3.60 000065801 Chatham ON 3.60 000065301 Port Stanley ON 3.60 000061004 Sarnia ON 3.60 000060903 London ON 3.50 051390006 El Dorado AR 3.50 051191008 ADEQ-DSR AR 3.50 051190007 PARR AR 3.30 120111002 DAVIE FL 3.30 100032004 MLK DE 3.30 090092123 Waterbury CT 3.30 090050005 Cornwall CT 3.30 090050004 Thomaston CT 3.30 090011123 Danbury CT 3.30 080350004 Chatfield Park - 11500 N. Roxborough Par CO 3.30 080131001 Boulder - CU - 2102 Athens St. CO 3.30 080130003 Longmont CO 3.10 000091101 Elk Island AB 3.10 000040209 CASTLE ST. 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Jason St. CO 1.20 080310013 Denver - NJH - 14th Ave. & Albion St. CO 1.20 080310002 Denver - CAMP - 2105 Broadway CO 1.20 080010006 Commerce City - 7101 Birch St. CO 1.20 000100049 Osoyoos Canada Customs BC 1.20 000100041 Vernon Science Centre BC 1.20 000100040 Williams Lake CRD School BC 1.20 000100036 Quesnel West Correlieu School BC 1.20 000100009 Quesnel Maple Drive BC 1.20 000100008 Quesnel Senior Secondary BC 1.20 000100007 Kamloops Brocklehurst BC 1.20 000100006 Williams Lake Columneetza School BC 1.20 000100005 Kelowna College BC 1.20 000065201 Parry Sound ON 1.20 000062001 North Bay ON 1.20 000060609 Sudbury ON 1.20 000060104 Ottawa ON 1.20 000052401 La Pêche QC 1.10 000100059 Grand Forks City Hall BC 1.10 000100052 Nelson Kutenai Place BC 1.10 000063301 Dorset ON AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)