Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.60 060831008 Santa Maria - Broadway CA 0.54 000050801 Ursulines QC 0.53 061130004 Davis CA #coincidences 10-30 and Corr > 0.5 0.70 000100023 Terrace BC Access Centre BC 0.64 010890014 Huntsville Old Airport AL 0.62 000111101 Chilliwack BC 0.59 000100012 Kitimat Riverlodge BC 0.58 000070203 Brandon MB 0.53 000050126 Sainte-Anne-de-Bellevue QC 0.52 000100016 Kitimat Rail BC 0.52 000053201 PÉMONCA QC 0.51 011030011 DECATUR AL 0.51 000050113 Chomedey QC Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences >30 and Corr > 0.5 0.81 060831008 Santa Maria - Broadway CA 0.76 061130004 Davis CA 0.75 011011002 MONTG AL 0.74 060731002 Escondido CA 0.74 011190002 GASTON AL 0.72 060371103 Los Angeles - N. Main Street CA 0.72 060371002 Burbank - W. Palm Ave CA 0.72 000020401 SOUTHAMPTON PE 0.71 090090027 New Haven - Criscuolo Park CT 0.70 061110007 Thousand Oaks - Moorpark Road CA 0.70 060590007 Anaheim CA 0.70 060370016 Glendora - Laurel CA 0.69 060731008 Camp Pendleton CA 0.67 060832004 Lompoc H Street CA 0.66 060711004 Upland CA 0.66 060658001 Riverside - Rubidoux CA 0.64 080310025 Denver Animal Shelter - 678 S. Jason St. CO 0.64 000054501 L'Assomption QC 0.63 061112002 Simi Valley - Cochran Street CA 0.62 000060512 Hamilton Downtown ON 0.57 061110009 Piru - Pacific CA 0.54 010732006 HOOVER AL 0.52 120590004 Bonifay FL 0.52 060731010 San Diego - Beardsley Street CA 0.52 060659001 Lake Elsinore - W. Flint Street CA 0.51 060670006 Sacramento - Del Paso Manor CA #coincidences 10-30 and Corr > 0.5 0.90 011030011 DECATUR AL 0.87 010890014 Huntsville Old Airport AL 0.86 000050113 Chomedey QC 0.85 000050131 Hochelaga QC 0.83 000050310 St-Charles Garnier QC 0.83 000050109 Duncan QC 0.79 040134010 Dysart AZ 0.79 000100016 Kitimat Rail BC 0.72 120111002 DAVIE FL 0.70 000050105 Drummond QC 0.69 060070002 Chico - Manzanita CA 0.66 080450007 Rifle Particulate CO 0.64 000080110 Regina SK 0.60 000040801 CANTERBURY NB 0.59 000053701 HILAIRE QC 0.55 000053201 PÉMONCA QC Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 24.70 040191034 Coachline AZ 16.70 040138005 Estrella AZ 16.00 060650012 Banning - South Hathaway Street CA 15.30 040139998 Vehicle Emissions Laboratory AZ 13.60 040130019 West Phoenix AZ 12.90 060831008 Santa Maria - Broadway CA 12.40 061111004 Ojai - Ojai Ave. CA 12.00 060832004 Lompoc H Street CA 9.20 040139812 Durango AZ 9.20 000020401 SOUTHAMPTON PE 9.10 040191032 Rose Elementary AZ 8.80 040191030 Green Valley AZ 8.60 060670012 Folsom CA 6.80 060010007 Livermore - Rincon CA 6.70 000010301 Cornerbrook NF 6.60 060271023 Bishop Paiute Tribe-CA CA 6.50 060811001 Redwood City CA 6.30 060953002 Vacaville CA 5.70 060731010 San Diego - Beardsley Street CA 5.40 060850005 San Jose - Jackson St. CA 5.30 060550003 Napa - Jefferson St CA 5.10 060959999 Rio Vista CA 5.10 060410003 Point Reyes CA 4.70 000065001 Barrie ON 4.30 000061402 Brantford ON 4.20 060731008 Camp Pendleton CA 3.90 080350004 Chatfield Park - 11500 N. Roxborough Par CO 3.90 000061502 Kitchener ON 3.60 000065301 Port Stanley ON 3.40 090110124 Groton Fort Griswold CT 3.10 000065801 Chatham ON 2.90 000054401 Saint-Anicet QC 2.80 061110007 Thousand Oaks - Moorpark Road CA 2.70 000060903 London ON 2.60 000062501 Tiverton ON 2.50 000060204 Windsor Downtown ON 2.50 000020301 WELLINGTON PE 2.40 060750005 San Francisco - Arkansas Street CA 2.20 081230006 Greeley Hospital CO 2.20 080010006 Commerce City - 7101 Birch St. CO 2.10 080130003 Longmont CO 2.00 080131001 Boulder - CU - 2102 Athens St. CO 1.90 090050004 Thomaston CT 1.90 060570005 Grass Valley CA 1.70 120310077 Sheffield Elementary School FL 1.70 061110009 Piru - Pacific CA 1.70 000061302 St. Catharines ON 1.50 000063701 Grand Bend ON 1.50 000061201 Cornwall ON 1.40 061112002 Simi Valley - Cochran Street CA 1.20 080410017 Colorado College CO 1.10 000061104 Peterborough ON 1.00 120310098 Mandarin FL 0.90 120310100 Mayo Clinic FL 0.90 080770017 Grand Junction - Powell Building CO 0.90 000040901 ST ANDREWS NB 0.70 060250005 Calexico - Ethel Street CA #coincidences 10-30 and Corr > 0.5 39.90 000010401 Mount Pearl NF 23.70 040134010 Dysart AZ 14.70 000030310 SYDNEY NS 7.70 060010011 Oakland West CA 6.90 000060424 Toronto Downtown ON 4.70 000052301 Saint-Faustin QC 4.20 060070002 Chico - Manzanita CA 2.60 000040801 CANTERBURY NB 2.50 000052201 Brossard QC 2.20 000050504 Université Chicoutimi QC 2.00 000040209 CASTLE ST. SAINT JO NB 1.10 000040302 MONCTON NB 1.10 000020104 CHARLOTTETOWN PE 0.80 090011123 Danbury CT 0.50 000050310 St-Charles Garnier QC Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 12.70 040191034 Coachline AZ 11.00 040138005 Estrella AZ 10.60 060831008 Santa Maria - Broadway CA 10.50 061111004 Ojai - Ojai Ave. CA 10.40 060832004 Lompoc H Street CA 10.00 040139998 Vehicle Emissions Laboratory AZ 8.30 040130019 West Phoenix AZ 7.70 060830011 Santa Barbara CA 7.40 060650012 Banning - South Hathaway Street CA 6.50 000020401 SOUTHAMPTON PE 6.40 040191030 Green Valley AZ 6.30 040139812 Durango AZ 6.20 040191032 Rose Elementary AZ 6.10 060670012 Folsom CA 6.10 060010007 Livermore - Rincon CA 6.00 060670010 Sacramento - T Street CA 5.80 060950004 Vallejo - 304 Tuolumne Street CA 5.80 060670006 Sacramento - Del Paso Manor CA 5.50 060850005 San Jose - Jackson St. CA 5.50 060811001 Redwood City CA 4.90 061131003 Woodland CA 4.90 060610006 Roseville - N.Sunrise/Douglas CA 4.50 060959999 Rio Vista CA 4.50 060670011 Elk Grove CA 4.50 060550003 Napa - Jefferson St CA 4.20 060731010 San Diego - Beardsley Street CA 3.90 060410003 Point Reyes CA 3.70 080770017 Grand Junction - Powell Building CO 3.60 080130003 Longmont CO 3.60 060271023 Bishop Paiute Tribe-CA CA 3.50 080131001 Boulder - CU - 2102 Athens St. CO 3.50 060953002 Vacaville CA 3.30 080350004 Chatfield Park - 11500 N. Roxborough Par CO 3.30 000010301 Cornerbrook NF 3.20 000065301 Port Stanley ON 3.10 060570005 Grass Valley CA 2.90 000060903 London ON 2.80 040191113 Geronimo AZ 2.80 000065801 Chatham ON 2.70 061110007 Thousand Oaks - Moorpark Road CA 2.50 000060204 Windsor Downtown ON 2.40 081230006 Greeley Hospital CO 2.00 061112002 Simi Valley - Cochran Street CA 2.00 060250005 Calexico - Ethel Street CA 1.90 080010006 Commerce City - 7101 Birch St. CO 1.90 060571001 Truckee BAM CA 1.70 060250006 Calexico - East CA 1.70 000065001 Barrie ON 1.70 000062501 Tiverton ON 1.70 000061502 Kitchener ON 1.60 060731008 Camp Pendleton CA 1.60 000061201 Cornwall ON 1.50 120310077 Sheffield Elementary School FL 1.50 080410017 Colorado College CO 1.50 061110009 Piru - Pacific CA 1.50 000061302 St. Catharines ON 1.40 000061004 Sarnia ON 1.40 000051501 Zéphirin QC 1.30 000063701 Grand Bend ON 1.30 000054401 Saint-Anicet QC 1.20 080310013 Denver - NJH - 14th Ave. & Albion St. CO 1.20 000061402 Brantford ON 0.90 061072002 Visalia - N. Church Street CA 0.80 120310098 Mandarin FL 0.70 080310002 Denver - CAMP - 2105 Broadway CO 0.70 061113001 El Rio - Rio Mesa School #2 CA 0.70 060750005 San Francisco - Arkansas Street CA 0.70 000020301 WELLINGTON PE 0.50 000065701 Morrisburg ON 0.50 000040901 ST ANDREWS NB #coincidences 10-30 and Corr > 0.5 24.70 000010401 Mount Pearl NF 12.70 040134010 Dysart AZ 8.10 000030310 SYDNEY NS 5.10 060010011 Oakland West CA 3.20 000052201 Brossard QC 2.50 000060424 Toronto Downtown ON 2.30 000050105 Drummond QC 2.20 100032004 MLK DE 2.00 000052301 Saint-Faustin QC 1.90 060070002 Chico - Manzanita CA 1.90 000050504 Université Chicoutimi QC 1.40 000050310 St-Charles Garnier QC 1.30 000050109 Duncan QC 1.20 000050121 PARC OCÉANIE QC 1.20 000040302 MONCTON NB 1.10 000050131 Hochelaga QC 0.90 000070203 Brandon MB 0.90 000040209 CASTLE ST. SAINT JO NB 0.70 000053701 HILAIRE QC 0.70 000050128 Aéroport de Montréal 1 QC 0.60 000050308 Des Sables QC 0.60 000050113 Chomedey QC Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 660.80 061130004 Davis CA 214.60 061070009 Sequoia/Kings Canyon - Ash Mountain CA 114.70 010331002 MSHOALS AL 91.80 060431001 Yosemite Village - Visitor Center CA 90.00 060190008 Fresno - 1st Street CA 73.80 060890007 Anderson CA 73.80 060670006 Sacramento - Del Paso Manor CA 57.70 060290014 Bakersfield - 5558 California Ave CA 55.00 060798001 Atascadero CA 46.10 060571001 Truckee BAM CA 41.60 060792004 Mesa 2 /Nipomo CA 41.20 060639901 Quincy BAM CA 38.40 060670010 Sacramento - T Street CA 37.70 060670011 Elk Grove CA 35.90 060610006 Roseville - N.Sunrise/Douglas CA 34.10 061131003 Woodland CA 34.00 060830011 Santa Barbara CA 33.20 040191113 Geronimo AZ 32.50 000054501 L'Assomption QC 28.70 061010003 Yuba City CA 26.30 060111002 Colusa - Sunrise Blvd. CA 25.00 060711004 Upland CA 23.40 060658001 Riverside - Rubidoux CA 23.10 120730012 Tallahassee Community College FL 23.10 061113001 El Rio - Rio Mesa School #2 CA 22.30 060371002 Burbank - W. Palm Ave CA 21.50 120470015 White Springs FL 20.20 060650012 Banning - South Hathaway Street CA 19.90 060371103 Los Angeles - N. Main Street CA 19.00 060710005 Lake Gregory - Crestline CA 18.10 060731006 Alpine CA 18.00 060730003 El Cajon - Redwood Ave CA 17.90 060370016 Glendora - Laurel CA 17.60 120230002 Lake City FL 17.60 060731002 Escondido CA 17.00 060310004 Corcoran CA 16.50 060659001 Lake Elsinore - W. Flint Street CA 16.40 010731010 LEEDS AL 16.30 011011002 MONTG AL 16.30 010735002 PINSON AL 16.10 010730023 NO. BHAM AL 16.00 010732003 WYLAM AL 15.90 080310002 Denver - CAMP - 2105 Broadway CO 15.60 060590007 Anaheim CA 15.50 120590004 Bonifay FL 15.30 120573002 SYDNEY FL 15.30 120571065 gandy FL 15.20 010970003 CHICK. AL 14.90 060950004 Vallejo - 304 Tuolumne Street CA 14.60 090032006 East Hartford - High Street CT 14.40 120570030 PCEIA3 FL 14.40 061112002 Simi Valley - Cochran Street CA 14.40 060731010 San Diego - Beardsley Street CA 14.30 010731005 MCADORY AL 14.10 061110009 Piru - Pacific CA 13.90 010732006 HOOVER AL 13.80 120330004 Ellyson Industrial Park FL 13.80 090090027 New Haven - Criscuolo Park CT 13.80 011190002 GASTON AL 13.60 120050006 St. Andrews Park FL 13.60 010735003 CORNER AL 13.60 000060512 Hamilton Downtown ON 13.20 061110007 Thousand Oaks - Moorpark Road CA 13.20 051190007 PARR AR 13.10 050350005 MARION AR 12.70 051191008 ADEQ-DSR AR 12.70 040139812 Durango AZ 12.60 060250006 Calexico - East CA 12.50 120710005 Winkler Pump Station FL 12.20 060250005 Calexico - Ethel Street CA 12.10 051390006 El Dorado AR 12.00 120210004 Laurel Oaks Elementary FL 12.00 010731009 PROVIDENCE AL 11.90 090092123 Waterbury CT 11.90 060731008 Camp Pendleton CA 11.90 060072001 Paradise - Birch Street CA 11.80 120013011 Payne's Prarie FL 11.80 060750005 San Francisco - Arkansas Street CA 11.50 080310025 Denver Animal Shelter - 678 S. Jason St. CO 10.80 120090011 Fay Park FL 10.50 061072002 Visalia - N. Church Street CA 10.30 060850005 San Jose - Jackson St. CA 10.10 060990005 Modesto - 14th Street CA 10.00 060831008 Santa Maria - Broadway CA 9.90 090110124 Groton Fort Griswold CT 9.80 120090007 Melbourne FL 9.80 040130019 West Phoenix AZ 9.70 000040207 SAINT JOHN WEST NB 9.40 060832004 Lompoc H Street CA 9.40 060074001 Gridley CA 9.30 000061004 Sarnia ON 9.20 080770017 Grand Junction - Powell Building CO 9.20 051430005 SPRNGDLE AR 9.10 060410003 Point Reyes CA 9.00 061111004 Ojai - Ojai Ave. CA 9.00 060959999 Rio Vista CA 9.00 000061302 St. Catharines ON 8.90 000050801 Ursulines QC 8.80 080310013 Denver - NJH - 14th Ave. & Albion St. CO 8.70 000054703 Bécancour (Aréna) QC 8.50 120310098 Mandarin FL 8.40 000010301 Cornerbrook NF 8.30 120310100 Mayo Clinic FL 8.30 060550003 Napa - Jefferson St CA 8.20 000060709 Sault Ste Marie ON 8.00 120310077 Sheffield Elementary School FL 8.00 060210002 Willows - E. Laurel Street CA 7.90 060953002 Vacaville CA 7.90 060010007 Livermore - Rincon CA 7.90 000090402 Medicine Hat - Crescent Hts AB 7.80 090050004 Thomaston CT 7.70 060811001 Redwood City CA 7.50 000091101 Elk Island AB 7.10 000051501 Zéphirin QC 7.00 040139998 Vehicle Emissions Laboratory AZ 7.00 000040203 FOREST HILLS NB 6.90 080410017 Colorado College CO 6.90 000065401 Belleville ON 6.90 000061402 Brantford ON 6.80 000061502 Kitchener ON 6.70 000061201 Cornwall ON 6.60 000065001 Barrie ON 6.60 000060204 Windsor Downtown ON 6.40 000065701 Morrisburg ON 6.40 000060903 London ON 6.20 040191030 Green Valley AZ 6.10 000054401 Saint-Anicet QC 6.00 000060303 Kingston ON 5.90 081230006 Greeley Hospital CO 5.90 080010006 Commerce City - 7101 Birch St. CO 5.90 060570005 Grass Valley CA 5.90 040191034 Coachline AZ 5.90 040191032 Rose Elementary AZ 5.90 000065201 Parry Sound ON 5.80 000065801 Chatham ON 5.80 000063701 Grand Bend ON 5.70 080131001 Boulder - CU - 2102 Athens St. CO 5.60 060670012 Folsom CA 5.60 040138005 Estrella AZ 5.50 060271023 Bishop Paiute Tribe-CA CA 5.40 000065301 Port Stanley ON 5.40 000060104 Ottawa ON 5.30 000063301 Dorset ON 5.20 080130003 Longmont CO 5.10 000061104 Peterborough ON 5.10 000060609 Sudbury ON 5.10 000020301 WELLINGTON PE 4.70 000062001 North Bay ON 4.60 080350004 Chatfield Park - 11500 N. Roxborough Par CO 4.30 000040901 ST ANDREWS NB 4.20 000062501 Tiverton ON 2.70 000020401 SOUTHAMPTON PE #coincidences 10-30 and Corr > 0.5 100.70 000040103 FREDERICTON NB 26.80 000051201 Frigon QC 22.10 090050005 Cornwall CT 17.00 011030011 DECATUR AL 15.50 010890014 Huntsville Old Airport AL 14.60 000100040 Williams Lake CRD School BC 13.70 120111002 DAVIE FL 13.30 000041302 BATHURST NB 12.90 080450007 Rifle Particulate CO 12.70 000050105 Drummond QC 12.20 100032004 MLK DE 10.10 090011123 Danbury CT 9.90 000100009 Quesnel Maple Drive BC 9.90 000100004 PRG Plaza 400 BC 8.90 000080110 Regina SK 8.40 060010011 Oakland West CA 7.90 000100014 PRG Gladstone School BC 7.80 000070118 Winnipeg_Scotia MB 7.60 000055201 Lemieux QC 7.50 000100059 Grand Forks City Hall BC 7.30 000100007 Kamloops Brocklehurst BC 7.00 000050128 Aéroport de Montréal 1 QC 7.00 000050113 Chomedey QC 6.50 000100016 Kitimat Rail BC 6.10 000100036 Quesnel West Correlieu School BC 6.10 000050131 Hochelaga QC 5.80 000070301 Flin Flon MB 5.80 000050308 Des Sables QC 5.80 000040209 CASTLE ST. SAINT JO NB 5.80 000030310 SYDNEY NS 5.70 060070002 Chico - Manzanita CA 5.60 000010401 Mount Pearl NF 5.40 000100021 Victoria Topaz BC 5.40 000100006 Williams Lake Columneetza School BC 5.20 000060424 Toronto Downtown ON 5.20 000053201 PÉMONCA QC 5.20 000050121 PARC OCÉANIE QC 5.20 000020104 CHARLOTTETOWN PE 5.10 000050109 Duncan QC 5.00 000100055 Langford Lakewood Elementary School BC 4.90 040134010 Dysart AZ 4.70 000052301 Saint-Faustin QC 4.40 000053801 Tingwick QC 4.10 000053701 HILAIRE QC 3.90 000040302 MONCTON NB 3.80 000070203 Brandon MB 3.80 000050310 St-Charles Garnier QC 2.80 000040801 CANTERBURY NB 2.50 000052201 Brossard QC 0.50 000050504 Université Chicoutimi QC Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 47.80 060650012 Banning - South Hathaway Street CA 23.60 000030310 SYDNEY NS 19.50 040139998 Vehicle Emissions Laboratory AZ 19.50 040139812 Durango AZ 19.50 040138005 Estrella AZ 19.50 040134010 Dysart AZ 19.50 040130019 West Phoenix AZ 19.10 000010401 Mount Pearl NF 17.70 000010301 Cornerbrook NF 17.40 000020401 SOUTHAMPTON PE 16.10 040191034 Coachline AZ 16.00 000100055 Langford Lakewood Elementary School BC 16.00 000100021 Victoria Topaz BC 13.30 000030501 KEJIMKUJIK NATIONAL NS 12.10 000065801 Chatham ON 12.10 000065301 Port Stanley ON 12.10 000061004 Sarnia ON 12.10 000060903 London ON 11.90 120330004 Ellyson Industrial Park FL 11.90 010970003 CHICK. AL 11.80 061113001 El Rio - Rio Mesa School #2 CA 11.80 061111004 Ojai - Ojai Ave. CA 11.80 060832004 Lompoc H Street CA 11.80 060831008 Santa Maria - Broadway CA 11.80 060830011 Santa Barbara CA 11.80 000063701 Grand Bend ON 11.80 000062501 Tiverton ON 11.70 120710005 Winkler Pump Station FL 11.70 120210004 Laurel Oaks Elementary FL 11.40 060731006 Alpine CA 11.40 060730003 El Cajon - Redwood Ave CA 11.40 060250006 Calexico - East CA 11.40 060250005 Calexico - Ethel Street CA 10.80 120111002 DAVIE FL 10.60 060731010 San Diego - Beardsley Street CA 9.90 090092123 Waterbury CT 9.90 090050005 Cornwall CT 9.90 090050004 Thomaston CT 9.90 090011123 Danbury CT 9.90 000060204 Windsor Downtown ON 9.80 000070118 Winnipeg_Scotia MB 9.50 040191113 Geronimo AZ 9.50 040191032 Rose Elementary AZ 9.50 040191030 Green Valley AZ 9.00 120090011 Fay Park FL 9.00 120090007 Melbourne FL 8.70 080350004 Chatfield Park - 11500 N. Roxborough Par CO 8.70 080131001 Boulder - CU - 2102 Athens St. CO 8.70 080130003 Longmont CO 8.30 090110124 Groton Fort Griswold CT 8.30 090090027 New Haven - Criscuolo Park CT 8.30 090032006 East Hartford - High Street CT 8.30 000040302 MONCTON NB 8.30 000030701 AYLESFORD MOUNTAIN NS 8.30 000020301 WELLINGTON PE 8.30 000020104 CHARLOTTETOWN PE 8.00 000040901 ST ANDREWS NB 8.00 000040801 CANTERBURY NB 8.00 000040209 CASTLE ST. SAINT JO NB 8.00 000040207 SAINT JOHN WEST NB 8.00 000040203 FOREST HILLS NB 8.00 000040103 FREDERICTON NB 7.80 080770017 Grand Junction - Powell Building CO 7.80 080450007 Rifle Particulate CO 7.60 080410017 Colorado College CO 7.50 081230006 Greeley Hospital CO 7.50 080310025 Denver Animal Shelter - 678 S. Jason St. CO 7.50 080310013 Denver - NJH - 14th Ave. & Albion St. CO 7.50 080310002 Denver - CAMP - 2105 Broadway CO 7.50 080010006 Commerce City - 7101 Birch St. CO 7.50 000053201 PÉMONCA QC 7.50 000050504 Université Chicoutimi QC 6.90 100032004 MLK DE 6.90 061112002 Simi Valley - Cochran Street CA 6.90 061110009 Piru - Pacific CA 6.90 061110007 Thousand Oaks - Moorpark Road CA 6.90 060731008 Camp Pendleton CA 6.90 060731002 Escondido CA 6.90 060711004 Upland CA 6.90 060710005 Lake Gregory - Crestline CA 6.90 060659001 Lake Elsinore - W. Flint Street CA 6.90 060658001 Riverside - Rubidoux CA 6.90 060590007 Anaheim CA 6.90 060371103 Los Angeles - N. Main Street CA 6.90 060371002 Burbank - W. Palm Ave CA 6.90 060370016 Glendora - Laurel CA 6.80 120590004 Bonifay FL 6.80 120050006 St. Andrews Park FL 6.80 000065701 Morrisburg ON 6.80 000060303 Kingston ON 6.60 000100058 Quadra Island Cape M BC 6.30 061070009 Sequoia/Kings Canyon - Ash Mountain CA 6.10 011190002 GASTON AL 6.00 120470015 White Springs FL 6.00 120310100 Mayo Clinic FL 6.00 120310098 Mandarin FL 6.00 120310077 Sheffield Elementary School FL 6.00 120230002 Lake City FL 6.00 120013011 Payne's Prarie FL 6.00 061131003 Woodland CA 6.00 061130004 Davis CA 6.00 060959999 Rio Vista CA 6.00 060953002 Vacaville CA 6.00 060950004 Vallejo - 304 Tuolumne Street CA 6.00 060850005 San Jose - Jackson St. CA 6.00 060811001 Redwood City CA 6.00 060750005 San Francisco - Arkansas Street CA 6.00 060670012 Folsom CA 6.00 060670011 Elk Grove CA 6.00 060670010 Sacramento - T Street CA 6.00 060670006 Sacramento - Del Paso Manor CA 6.00 060610006 Roseville - N.Sunrise/Douglas CA 6.00 060550003 Napa - Jefferson St CA 6.00 060410003 Point Reyes CA 6.00 060010011 Oakland West CA 6.00 060010007 Livermore - Rincon CA 5.90 000060104 Ottawa ON 5.70 120573002 SYDNEY FL 5.70 120571065 gandy FL 5.70 120570030 PCEIA3 FL 5.70 000070119 Winnipeg_Ellens MB 5.60 120730012 Tallahassee Community College FL 5.00 000070203 Brandon MB 5.00 000053701 HILAIRE QC 5.00 000053601 N.-D.-du-Rosaire QC 4.90 000041302 BATHURST NB 4.70 000065001 Barrie ON 4.70 000061502 Kitchener ON 4.70 000061402 Brantford ON 4.70 000061302 St. Catharines ON 4.70 000060709 Sault Ste Marie ON 4.70 000060512 Hamilton Downtown ON 4.70 000060424 Toronto Downtown ON 4.60 061072002 Visalia - N. Church Street CA 4.60 060798001 Atascadero CA 4.60 060792004 Mesa 2 /Nipomo CA 4.60 060310004 Corcoran CA 4.60 060290014 Bakersfield - 5558 California Ave CA 4.60 060190008 Fresno - 1st Street CA 4.60 000061201 Cornwall ON 4.60 000054501 L'Assomption QC 4.60 000054401 Saint-Anicet QC 4.60 000052301 Saint-Faustin QC 4.60 000052201 Brossard QC 4.60 000050131 Hochelaga QC 4.60 000050129 Rivière-des-Prairies QC 4.60 000050128 Aéroport de Montréal 1 QC 4.60 000050126 Sainte-Anne-de-Bellevue QC 4.60 000050121 PARC OCÉANIE QC 4.60 000050113 Chomedey QC 4.60 000050110 Parc Pilon QC 4.60 000050109 Duncan QC 4.60 000050105 Drummond QC 4.50 051390006 El Dorado AR 4.50 051191008 ADEQ-DSR AR 4.50 051190007 PARR AR 4.10 061010003 Yuba City CA 4.10 060890007 Anderson CA 4.10 060570005 Grass Valley CA 4.10 060210002 Willows - E. Laurel Street CA 4.10 060111002 Colusa - Sunrise Blvd. CA 4.10 060074001 Gridley CA 4.10 060072001 Paradise - Birch Street CA 4.10 060070002 Chico - Manzanita CA 4.10 000070301 Flin Flon MB 4.00 000055201 Lemieux QC 4.00 000054801 Stukely QC 4.00 000054703 Bécancour (Aréna) QC 4.00 000053801 Tingwick QC 4.00 000053301 Deschambault QC 4.00 000052001 Charette QC 4.00 000051501 Zéphirin QC 4.00 000051201 Frigon QC 4.00 000050801 Ursulines QC 4.00 000050404 Parc Cambron QC 4.00 000050310 St-Charles Garnier QC 4.00 000050308 Des Sables QC 3.70 060271023 Bishop Paiute Tribe-CA CA 3.60 051430005 SPRNGDLE AR 3.10 000080110 Regina SK 3.10 000065201 Parry Sound ON 3.10 000062001 North Bay ON 3.10 000060609 Sudbury ON 3.00 011011002 MONTG AL 3.00 010731009 PROVIDENCE AL 3.00 010731005 MCADORY AL 3.00 010331002 MSHOALS AL 3.00 000065401 Belleville ON 3.00 000061104 Peterborough ON 2.90 050350005 MARION AR 2.80 011030011 DECATUR AL 2.80 010890014 Huntsville Old Airport AL 2.80 010735003 CORNER AL 2.80 010735002 PINSON AL 2.80 010732006 HOOVER AL 2.80 010732003 WYLAM AL 2.80 010731010 LEEDS AL 2.80 010730023 NO. BHAM AL 2.60 000063301 Dorset ON 2.30 000091101 Elk Island AB 2.00 000111301 Langley BC 2.00 000111101 Chilliwack BC 2.00 000110119 Burnaby South BC 2.00 000100033 Whistler Meadow Park BC 2.00 000100031 Nanaimo Labieux Road BC 1.80 000100022 Houston Firehall BC 1.70 000100029 Smithers St Josephs BC 1.70 000100023 Terrace BC Access Centre BC 1.70 000100016 Kitimat Rail BC 1.70 000100012 Kitimat Riverlodge BC 1.70 000090402 Medicine Hat - Crescent Hts AB 1.60 000100014 PRG Gladstone School BC 1.60 000100004 PRG Plaza 400 BC 1.50 060990005 Modesto - 14th Street CA 1.50 060431001 Yosemite Village - Visitor Center CA 1.50 000100059 Grand Forks City Hall BC 1.50 000100052 Nelson Kutenai Place BC 1.30 060639901 Quincy BAM CA 1.30 060571001 Truckee BAM CA 1.30 000100049 Osoyoos Canada Customs BC 1.30 000100007 Kamloops Brocklehurst BC 1.30 000100005 Kelowna College 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 000100035 Golden Hospital BC AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)