Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.70 000091101 Elk Island AB 0.65 000094301 Cold Lake South AB 0.62 061131003 Woodland CA 0.59 060832004 Lompoc H Street CA 0.59 000090302 Red Deer AB 0.57 060670012 Folsom CA 0.57 000090218 Calgary East AB 0.55 000020104 CHARLOTTETOWN PE 0.54 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 0.54 060953002 Vacaville CA 0.52 131390003 Gainesville GA 0.52 000090121 Edmonton East AB 0.51 060670006 Sacramento - Del Paso Manor CA 0.51 000090120 Edmonton South AB 0.50 060950004 Vallejo - 304 Tuolumne Street CA 0.50 060831008 Santa Maria - Broadway CA 0.50 060072001 Paradise - Birch Street CA 0.50 000090227 Calgary Central AB #coincidences 10-30 and Corr > 0.5 0.55 121111002 911 Center; Rock Road FL Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences >30 and Corr > 0.5 0.85 000040103 FREDERICTON NB 0.83 000061402 Brantford ON 0.79 060953002 Vacaville CA 0.79 000090120 Edmonton South AB 0.78 061131003 Woodland CA 0.76 000091101 Elk Island AB 0.75 060831008 Santa Maria - Broadway CA 0.74 000090218 Calgary East AB 0.73 060832004 Lompoc H Street CA 0.72 060670006 Sacramento - Del Paso Manor CA 0.71 000090121 Edmonton East AB 0.70 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 0.70 000090302 Red Deer AB 0.69 000040302 MONCTON NB 0.68 000094301 Cold Lake South AB 0.67 060731008 Camp Pendleton CA 0.67 060670012 Folsom CA 0.65 060670011 Elk Grove CA 0.64 061072002 Visalia - N. Church Street CA 0.64 000090227 Calgary Central AB 0.64 000061502 Kitchener ON 0.63 000062501 Tiverton ON 0.62 000020104 CHARLOTTETOWN PE 0.60 150012016 Pahala HI 0.60 000060512 Hamilton Downtown ON 0.59 060070002 Chico - Manzanita CA 0.59 000063701 Grand Bend ON 0.59 000041302 BATHURST NB 0.56 000062001 North Bay ON 0.54 040138005 Estrella AZ 0.52 150030010 Kapolei HI 0.52 131390003 Gainesville GA 0.52 110010043 McMillan Reservoir DC 0.52 060850005 San Jose - Jackson St. CA 0.52 060590007 Anaheim CA 0.52 000100059 Grand Forks City Hall BC 0.52 000090222 Calgary Northwest AB 0.52 000065201 Parry Sound ON 0.51 060959999 Rio Vista CA 0.50 120470015 White Springs FL 0.50 000051501 Zéphirin QC #coincidences 10-30 and Corr > 0.5 0.81 060072001 Paradise - Birch Street CA 0.80 121111002 911 Center; Rock Road FL 0.67 060950004 Vallejo - 304 Tuolumne Street CA 0.67 000091901 Caroline AB 0.63 060970003 Santa Rosa - 5th Street CA 0.60 150011006 Hilo HI 0.53 000090601 Fort Saskatchewan AB 0.50 060374002 North Long Beach CA Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 26.30 040134010 Dysart AZ 22.80 040138005 Estrella AZ 21.30 040191034 Coachline AZ 21.10 040139998 Vehicle Emissions Laboratory AZ 21.00 040130019 West Phoenix AZ 19.70 061111004 Ojai - Ojai Ave. CA 19.40 060832004 Lompoc H Street CA 18.90 060850002 Gilory - 9th Street CA 18.80 060831008 Santa Maria - Broadway CA 18.30 040134003 South Phoenix AZ 16.30 061113001 El Rio - Rio Mesa School #2 CA 13.00 040139812 Durango AZ 12.70 060731010 San Diego - Beardsley Street CA 12.70 060670006 Sacramento - Del Paso Manor CA 12.00 060670012 Folsom CA 11.70 060650012 Banning - South Hathaway Street CA 11.60 000030310 SYDNEY NS 11.50 060953002 Vacaville CA 11.10 060670011 Elk Grove CA 11.10 060010007 Livermore - Rincon CA 10.20 061131003 Woodland CA 9.20 060850005 San Jose - Jackson St. CA 9.20 060670010 Sacramento - T Street CA 9.00 060550003 Napa - Jefferson St CA 8.30 040191032 Rose Elementary AZ 8.20 060731008 Camp Pendleton CA 8.10 060010011 Oakland West CA 7.70 060731002 Escondido CA 7.20 040191030 Green Valley AZ 7.10 060012004 Berkeley CA 7.00 060271023 Bishop Paiute Tribe-CA CA 6.00 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 5.70 090011123 Danbury CT 5.70 060410003 Point Reyes CA 5.60 061110007 Thousand Oaks - Moorpark Road CA 5.20 000065001 Barrie ON 4.50 150030010 Kapolei HI 4.20 060750005 San Francisco - Arkansas Street CA 4.00 150012017 Mountain View HI 3.70 061110009 Piru - Pacific CA 3.60 040191113 Geronimo AZ 3.60 000060424 Toronto Downtown ON 3.50 090050004 Thomaston CT 2.90 090110124 Groton Fort Griswold CT 2.60 060571001 Truckee BAM CA 2.50 060570005 Grass Valley CA 2.30 000062501 Tiverton ON 2.30 000061302 St. Catharines ON 2.00 060590007 Anaheim CA 1.50 000065401 Belleville ON 1.10 000061502 Kitchener ON 1.10 000061402 Brantford ON 0.90 090032006 East Hartford - High Street CT 0.90 060659001 Lake Elsinore - W. Flint Street CA 0.90 000061201 Cornwall ON 0.70 000060609 Sudbury ON 0.60 000060512 Hamilton Downtown ON 0.50 000061104 Peterborough ON #coincidences 10-30 and Corr > 0.5 10.20 060970003 Santa Rosa - 5th Street CA 8.50 060374002 North Long Beach CA 8.50 060011001 Fremont Chapel Way CA 8.00 060950004 Vallejo - 304 Tuolumne Street CA 8.00 060811001 Redwood City CA 7.80 000010301 Cornerbrook NF 5.00 150011006 Hilo HI 4.00 000020401 SOUTHAMPTON PE 1.70 000100010 Creston PC School BC Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 20.30 061111004 Ojai - Ojai Ave. CA 19.70 060831008 Santa Maria - Broadway CA 19.00 061113001 El Rio - Rio Mesa School #2 CA 18.70 060832004 Lompoc H Street CA 17.40 060850002 Gilory - 9th Street CA 16.40 060830011 Santa Barbara CA 16.00 040134010 Dysart AZ 14.50 040138005 Estrella AZ 13.70 040139998 Vehicle Emissions Laboratory AZ 13.20 040130019 West Phoenix AZ 12.90 040191034 Coachline AZ 12.90 040134003 South Phoenix AZ 11.90 060670006 Sacramento - Del Paso Manor CA 11.40 060731010 San Diego - Beardsley Street CA 11.30 060670011 Elk Grove CA 10.20 040139812 Durango AZ 9.80 060670012 Folsom CA 9.40 060550003 Napa - Jefferson St CA 8.90 061131003 Woodland CA 8.80 060010007 Livermore - Rincon CA 8.30 060959999 Rio Vista CA 8.30 060953002 Vacaville CA 8.20 060850005 San Jose - Jackson St. CA 8.00 060670010 Sacramento - T Street CA 7.40 061130004 Davis CA 6.90 040191032 Rose Elementary AZ 6.80 060650012 Banning - South Hathaway Street CA 6.70 040191030 Green Valley AZ 6.60 000030310 SYDNEY NS 6.30 060010011 Oakland West CA 5.80 060012004 Berkeley CA 5.20 060410003 Point Reyes CA 4.20 150012017 Mountain View HI 4.10 061110007 Thousand Oaks - Moorpark Road CA 4.10 060610006 Roseville - N.Sunrise/Douglas CA 4.10 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 4.00 150030010 Kapolei HI 4.00 060710005 Lake Gregory - Crestline CA 4.00 000065001 Barrie ON 3.80 060271023 Bishop Paiute Tribe-CA CA 3.60 061072002 Visalia - N. Church Street CA 3.60 060731002 Escondido CA 3.30 000061502 Kitchener ON 3.20 150012016 Pahala HI 3.20 000060424 Toronto Downtown ON 3.00 090110124 Groton Fort Griswold CT 2.90 000065301 Port Stanley ON 2.80 090011123 Danbury CT 2.70 060731008 Camp Pendleton CA 2.70 040191113 Geronimo AZ 2.60 061110009 Piru - Pacific CA 2.60 060571001 Truckee BAM CA 2.60 060570005 Grass Valley CA 2.60 000062501 Tiverton ON 2.60 000061402 Brantford ON 2.30 090032006 East Hartford - High Street CT 2.20 000061104 Peterborough ON 2.20 000060512 Hamilton Downtown ON 2.10 000065801 Chatham ON 2.00 060750005 San Francisco - Arkansas Street CA 2.00 000061302 St. Catharines ON 1.90 000060903 London ON 1.80 060190008 Fresno - 1st Street CA 1.80 000065401 Belleville ON 1.70 060639901 Quincy BAM CA 1.50 080130003 Longmont CO 1.50 000063701 Grand Bend ON 1.20 000062001 North Bay ON 1.10 000065201 Parry Sound ON 1.00 090050004 Thomaston CT 1.00 000060204 Windsor Downtown ON 1.00 000030701 AYLESFORD MOUNTAIN NS 0.90 000020301 WELLINGTON PE 0.70 060290014 Bakersfield - 5558 California Ave CA 0.70 000061201 Cornwall ON 0.70 000060609 Sudbury ON 0.60 000100059 Grand Forks City Hall BC 0.50 060074001 Gridley CA 0.50 000060104 Ottawa ON #coincidences 10-30 and Corr > 0.5 7.40 060950004 Vallejo - 304 Tuolumne Street CA 6.60 150011006 Hilo HI 6.50 060811001 Redwood City CA 6.50 060011001 Fremont Chapel Way CA 5.00 060798001 Atascadero CA 4.50 060374002 North Long Beach CA 4.40 060970003 Santa Rosa - 5th Street CA 3.60 000020401 SOUTHAMPTON PE 1.90 000100010 Creston PC School BC 1.80 000010301 Cornerbrook NF 1.70 060890007 Anderson CA 0.90 080770017 Grand Junction - Powell Building CO 0.60 060072001 Paradise - Birch Street CA Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 477.30 060070002 Chico - Manzanita CA 424.50 060250005 Calexico - Ethel Street CA 212.70 060210002 Willows - E. Laurel Street CA 134.30 010331002 MSHOALS AL 72.60 060310004 Corcoran CA 59.00 060610006 Roseville - N.Sunrise/Douglas CA 56.70 120310077 Sheffield Elementary School FL 55.90 060431001 Yosemite Village - Visitor Center CA 53.40 060792004 Mesa 2 /Nipomo CA 37.40 000054501 L'Assomption QC 33.40 060959999 Rio Vista CA 33.20 060658001 Riverside - Rubidoux CA 32.20 060190008 Fresno - 1st Street CA 32.10 060830011 Santa Barbara CA 31.60 061072002 Visalia - N. Church Street CA 29.90 060711004 Upland CA 28.50 060371103 Los Angeles - N. Main Street CA 27.90 060371201 Reseda CA 27.10 010730023 NO. BHAM AL 26.90 121152002 Jackson Road FL 26.30 060371002 Burbank - W. Palm Ave CA 26.10 131530001 Warner Robins GA 26.10 060376012 Santa Clarita CA 25.90 120111002 DAVIE FL 25.90 060651003 Riverside - Magnolia CA 25.20 090090027 New Haven - Criscuolo Park CT 25.10 120050006 St. Andrews Park FL 24.10 060710005 Lake Gregory - Crestline CA 23.80 010732003 WYLAM AL 23.60 061112002 Simi Valley - Cochran Street CA 23.40 150011012 Kona HI 23.30 060370016 Glendora - Laurel CA 22.70 130770002 NEWNAN GA 22.60 000090130 Edmonton Central AB 22.50 131510002 McDonough GA 22.30 130890002 South Dekalb GA 22.20 060659001 Lake Elsinore - W. Flint Street CA 22.10 010731010 LEEDS AL 22.00 121035002 John A. Chesnut Sr. Park FL 21.90 120730012 Tallahassee Community College FL 21.30 061130004 Davis CA 21.20 130210012 Macon GA 21.10 131390003 Gainesville GA 21.10 060639901 Quincy BAM CA 21.00 060730003 El Cajon - Redwood Ave CA 21.00 060590007 Anaheim CA 20.90 131210055 Confederate Ave GA 20.80 131850003 Valdosta GA 20.80 010731005 MCADORY AL 20.50 060731006 Alpine CA 20.50 060650012 Banning - South Hathaway Street CA 20.20 010735002 PINSON AL 19.90 010735003 CORNER AL 19.60 011011002 MONTG AL 19.50 120866001 Homestead Fire Station #16 FL 19.50 120013011 Payne's Prarie FL 19.30 120230002 Lake City FL 19.30 061110009 Piru - Pacific CA 19.20 132150008 Columbus Airport GA 18.90 120861016 Miami Fire Station #5 FL 18.70 121150013 Bee Ridge FL 18.60 132450091 AUGUSTA GA 18.60 120470015 White Springs FL 18.50 130511002 Savannah L&A GA 18.00 000050801 Ursulines QC 17.80 120330004 Ellyson Industrial Park FL 17.60 132230003 Yorkville GA 17.50 120210004 Laurel Oaks Elementary FL 17.40 131350002 Gwinnett Tech GA 17.40 121030018 Azalea FL 17.40 061110007 Thousand Oaks - Moorpark Road CA 17.40 000040801 CANTERBURY NB 17.30 120710005 Winkler Pump Station FL 17.10 060731002 Escondido CA 17.00 120590004 Bonifay FL 16.80 100032004 MLK DE 16.50 130590002 Athens FS # 7 GA 16.50 121130015 Woodlawn FL 16.40 120952002 Lake Isle Estates FL 16.40 010731009 PROVIDENCE AL 16.20 051190007 PARR AR 16.10 051191008 ADEQ-DSR AR 16.00 051390006 El Dorado AR 15.90 080410017 Colorado College CO 15.90 010732006 HOOVER AL 15.70 060731010 San Diego - Beardsley Street CA 15.70 050350005 MARION AR 15.60 121056006 Fl. Baptist Children's Home FL 15.30 000054703 Bécancour (Aréna) QC 15.20 132950002 Rossville GA 15.10 090092123 Waterbury CT 15.10 000054401 Saint-Anicet QC 14.90 061113001 El Rio - Rio Mesa School #2 CA 14.90 060731008 Camp Pendleton CA 14.80 120830003 YMC FL 14.80 051430005 SPRNGDLE AR 14.80 000090121 Edmonton East AB 14.70 000040209 CASTLE ST. SAINT JO NB 14.50 000090302 Red Deer AB 14.20 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 14.10 120990009 Royal Palm Beach FL 14.00 120090011 Fay Park FL 13.90 000090227 Calgary Central AB 13.80 121275002 Blind Services; 1185-A Dunn Ave FL 13.80 060290014 Bakersfield - 5558 California Ave CA 13.50 060832004 Lompoc H Street CA 13.50 000061004 Sarnia ON 13.50 000060204 Windsor Downtown ON 13.40 080350004 Chatfield Park - 11500 N. Roxborough Par CO 13.20 060750005 San Francisco - Arkansas Street CA 13.20 060410003 Point Reyes CA 13.10 090032006 East Hartford - High Street CT 13.00 120090007 Melbourne FL 13.00 060012004 Berkeley CA 12.80 080310013 Denver - NJH - 14th Ave. & Albion St. CO 12.80 000090120 Edmonton South AB 12.80 000060512 Hamilton Downtown ON 12.70 040191113 Geronimo AZ 12.50 060831008 Santa Maria - Broadway CA 12.40 000061402 Brantford ON 12.30 000061502 Kitchener ON 12.10 060550003 Napa - Jefferson St CA 12.10 000051501 Zéphirin QC 11.90 120310098 Mandarin FL 11.90 040139812 Durango AZ 11.80 090050004 Thomaston CT 11.80 060010011 Oakland West CA 11.70 120310100 Mayo Clinic FL 11.70 000060903 London ON 11.60 000052301 Saint-Faustin QC 11.50 061111004 Ojai - Ojai Ave. CA 11.50 000040207 SAINT JOHN WEST NB 11.30 060850002 Gilory - 9th Street CA 11.10 090110124 Groton Fort Griswold CT 11.10 000065301 Port Stanley ON 11.10 000061302 St. Catharines ON 11.10 000041302 BATHURST NB 10.90 000061201 Cornwall ON 10.80 080310025 Denver Animal Shelter - 678 S. Jason St. CO 10.70 060850005 San Jose - Jackson St. CA 10.60 150012016 Pahala HI 10.60 080131001 Boulder - CU - 2102 Athens St. CO 10.60 000030310 SYDNEY NS 10.50 000063701 Grand Bend ON 10.40 110010043 McMillan Reservoir DC 10.40 060010007 Livermore - Rincon CA 10.40 000090218 Calgary East AB 10.40 000065801 Chatham ON 10.30 000040901 ST ANDREWS NB 10.20 000060303 Kingston ON 10.20 000040103 FREDERICTON NB 10.10 061131003 Woodland CA 10.10 000090502 Lethbridge AB 10.10 000065701 Morrisburg ON 9.90 090011123 Danbury CT 9.90 060074001 Gridley CA 9.70 061010003 Yuba City CA 9.70 060990005 Modesto - 14th Street CA 9.70 000090222 Calgary Northwest AB 9.70 000060424 Toronto Downtown ON 9.60 000020104 CHARLOTTETOWN PE 9.50 000094301 Cold Lake South AB 9.50 000030701 AYLESFORD MOUNTAIN NS 9.30 060670010 Sacramento - T Street CA 9.30 000061104 Peterborough ON 9.10 040191030 Green Valley AZ 9.00 060670011 Elk Grove CA 9.00 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 8.90 000040302 MONCTON NB 8.80 080310002 Denver - CAMP - 2105 Broadway CO 8.80 060670006 Sacramento - Del Paso Manor CA 8.50 081230006 Greeley Hospital CO 8.40 080010006 Commerce City - 7101 Birch St. CO 8.40 060953002 Vacaville CA 8.20 080130003 Longmont CO 8.20 000060104 Ottawa ON 8.10 040191032 Rose Elementary AZ 8.10 000020301 WELLINGTON PE 8.00 000065401 Belleville ON 7.80 000065001 Barrie ON 7.70 060670012 Folsom CA 7.50 000062501 Tiverton ON 7.10 000065201 Parry Sound ON 7.10 000062001 North Bay ON 7.10 000060609 Sudbury ON 6.90 040139998 Vehicle Emissions Laboratory AZ 6.90 000063301 Dorset ON 6.60 040191034 Coachline AZ 6.60 040134003 South Phoenix AZ 6.40 060570005 Grass Valley CA 6.20 040134010 Dysart AZ 6.10 150012017 Mountain View HI 6.10 040130019 West Phoenix AZ 5.60 000091101 Elk Island AB 5.50 060271023 Bishop Paiute Tribe-CA CA 5.30 000100059 Grand Forks City Hall BC 5.10 040138005 Estrella AZ 4.40 150030010 Kapolei HI 4.40 060571001 Truckee BAM CA #coincidences 10-30 and Corr > 0.5 219.90 060890007 Anderson CA 136.00 060798001 Atascadero CA 124.00 060250006 Calexico - East CA 89.60 060072001 Paradise - Birch Street CA 36.00 010970003 CHICK. AL 19.90 000090601 Fort Saskatchewan AB 17.90 120571065 gandy FL 17.80 000040203 FOREST HILLS NB 17.30 080770017 Grand Junction - Powell Building CO 17.00 121111002 911 Center; Rock Road FL 14.90 060950004 Vallejo - 304 Tuolumne Street CA 14.90 060374002 North Long Beach CA 14.90 011190002 GASTON AL 14.20 120570030 PCEIA3 FL 13.60 061070009 Sequoia/Kings Canyon - Ash Mountain CA 13.00 120573002 SYDNEY FL 10.80 060811001 Redwood City CA 8.90 060011001 Fremont Chapel Way CA 8.50 000091901 Caroline AB 7.70 000060709 Sault Ste Marie ON 7.50 000010301 Cornerbrook NF 7.40 060970003 Santa Rosa - 5th Street CA 7.20 000020401 SOUTHAMPTON PE 4.80 150011006 Hilo HI 4.00 000100010 Creston PC School BC Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 37.70 060850002 Gilory - 9th Street CA 31.70 061113001 El Rio - Rio Mesa School #2 CA 31.70 061111004 Ojai - Ojai Ave. CA 31.70 060832004 Lompoc H Street CA 31.70 060831008 Santa Maria - Broadway CA 31.70 060830011 Santa Barbara CA 20.80 000030310 SYDNEY NS 17.80 060731010 San Diego - Beardsley Street CA 15.60 000020401 SOUTHAMPTON PE 15.60 000010401 Mount Pearl NF 13.50 060650012 Banning - South Hathaway Street CA 13.20 061131003 Woodland CA 13.20 061130004 Davis CA 13.20 060970003 Santa Rosa - 5th Street CA 13.20 060959999 Rio Vista CA 13.20 060953002 Vacaville CA 13.20 060950004 Vallejo - 304 Tuolumne Street CA 13.20 060850005 San Jose - Jackson St. CA 13.20 060811001 Redwood City CA 13.20 060750005 San Francisco - Arkansas Street CA 13.20 060670012 Folsom CA 13.20 060670011 Elk Grove CA 13.20 060670010 Sacramento - T Street CA 13.20 060670006 Sacramento - Del Paso Manor CA 13.20 060610006 Roseville - N.Sunrise/Douglas CA 13.20 060550003 Napa - Jefferson St CA 13.20 060410003 Point Reyes CA 13.20 060012004 Berkeley CA 13.20 060011001 Fremont Chapel Way CA 13.20 060010011 Oakland West CA 13.20 060010007 Livermore - Rincon CA 12.50 000060204 Windsor Downtown ON 12.00 061112002 Simi Valley - Cochran Street CA 12.00 061110009 Piru - Pacific CA 12.00 061110007 Thousand Oaks - Moorpark Road CA 12.00 060731008 Camp Pendleton CA 12.00 060731002 Escondido CA 12.00 060711004 Upland CA 12.00 060710005 Lake Gregory - Crestline CA 12.00 060659001 Lake Elsinore - W. Flint Street CA 12.00 060658001 Riverside - Rubidoux CA 12.00 060651003 Riverside - Magnolia CA 12.00 060590007 Anaheim CA 12.00 060376012 Santa Clarita CA 12.00 060374002 North Long Beach CA 12.00 060371201 Reseda CA 12.00 060371103 Los Angeles - N. Main Street CA 12.00 060371002 Burbank - W. Palm Ave CA 12.00 060370016 Glendora - Laurel CA 11.90 061072002 Visalia - N. Church Street CA 11.90 060798001 Atascadero CA 11.90 060792004 Mesa 2 /Nipomo CA 11.90 060310004 Corcoran CA 11.90 060290014 Bakersfield - 5558 California Ave CA 11.90 060190008 Fresno - 1st Street CA 10.90 000010301 Cornerbrook NF 10.50 000061201 Cornwall ON 10.50 000054501 L'Assomption QC 10.50 000054401 Saint-Anicet QC 10.50 000052301 Saint-Faustin QC 10.20 132950002 Rossville GA 10.20 132230003 Yorkville GA 10.20 010735003 CORNER AL 10.20 010735002 PINSON AL 10.20 010732006 HOOVER AL 10.20 010732003 WYLAM AL 10.20 010731010 LEEDS AL 10.20 010730023 NO. BHAM AL 9.50 000063701 Grand Bend ON 9.50 000062501 Tiverton ON 9.00 000065001 Barrie ON 9.00 000061502 Kitchener ON 9.00 000061402 Brantford ON 9.00 000061302 St. Catharines ON 9.00 000060512 Hamilton Downtown ON 9.00 000060424 Toronto Downtown ON 8.80 000065801 Chatham ON 8.80 000065301 Port Stanley ON 8.80 000061004 Sarnia ON 8.80 000060903 London ON 8.40 000065401 Belleville ON 8.40 000061104 Peterborough ON 8.20 000020104 CHARLOTTETOWN PE 8.20 100032004 MLK DE 8.20 000040302 MONCTON NB 8.20 000030701 AYLESFORD MOUNTAIN NS 8.20 000020301 WELLINGTON PE 8.10 110010043 McMillan Reservoir DC 7.50 000054703 Bécancour (Aréna) QC 7.50 000051501 Zéphirin QC 7.50 000050801 Ursulines QC 7.20 060731006 Alpine CA 7.20 060730003 El Cajon - Redwood Ave CA 7.20 060250006 Calexico - East CA 7.20 060250005 Calexico - Ethel Street CA 7.10 000041302 BATHURST NB 7.00 061010003 Yuba City CA 7.00 060890007 Anderson CA 7.00 060570005 Grass Valley CA 7.00 060210002 Willows - E. Laurel Street CA 7.00 060074001 Gridley CA 7.00 060072001 Paradise - Birch Street CA 7.00 060070002 Chico - Manzanita CA 6.90 000040209 CASTLE ST. SAINT JO NB 6.90 000040207 SAINT JOHN WEST NB 6.90 000040203 FOREST HILLS NB 6.90 000040103 FREDERICTON NB 6.60 000065701 Morrisburg ON 6.60 000060303 Kingston ON 6.50 061070009 Sequoia/Kings Canyon - Ash Mountain CA 6.50 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 6.50 000060104 Ottawa ON 6.40 011190002 GASTON AL 6.40 000040901 ST ANDREWS NB 6.40 000040801 CANTERBURY NB 6.20 090110124 Groton Fort Griswold CT 6.20 090090027 New Haven - Criscuolo Park CT 6.20 090032006 East Hartford - High Street CT 6.10 010731009 PROVIDENCE AL 6.10 010731005 MCADORY AL 6.10 010331002 MSHOALS AL 6.00 090092123 Waterbury CT 6.00 090050004 Thomaston CT 6.00 090011123 Danbury CT 5.70 040191034 Coachline AZ 5.50 040139998 Vehicle Emissions Laboratory AZ 5.50 040139812 Durango AZ 5.50 040138005 Estrella AZ 5.50 040134010 Dysart AZ 5.50 040134003 South Phoenix AZ 5.50 040130019 West Phoenix AZ 5.40 000063301 Dorset ON 5.30 000065201 Parry Sound ON 5.30 000062001 North Bay ON 5.30 000060609 Sudbury ON 4.80 000060709 Sault Ste Marie ON 4.70 121111002 911 Center; Rock Road FL 4.70 120090011 Fay Park FL 4.70 120090007 Melbourne FL 4.60 131510002 McDonough GA 4.60 131390003 Gainesville GA 4.60 131350002 Gwinnett Tech GA 4.60 131210055 Confederate Ave GA 4.60 130890002 South Dekalb GA 4.60 130770002 NEWNAN GA 4.60 130590002 Athens FS # 7 GA 4.60 060271023 Bishop Paiute Tribe-CA CA 4.50 060990005 Modesto - 14th Street CA 4.50 060431001 Yosemite Village - Visitor Center CA 4.10 000100059 Grand Forks City Hall BC 3.90 081230006 Greeley Hospital CO 3.90 080310025 Denver Animal Shelter - 678 S. Jason St. CO 3.90 080310013 Denver - NJH - 14th Ave. & Albion St. CO 3.90 080310002 Denver - CAMP - 2105 Broadway CO 3.90 080010006 Commerce City - 7101 Birch St. CO 3.80 050350005 MARION AR 3.70 120990009 Royal Palm Beach FL 3.70 120866001 Homestead Fire Station #16 FL 3.70 120861016 Miami Fire Station #5 FL 3.70 120111002 DAVIE FL 3.70 040191113 Geronimo AZ 3.70 040191032 Rose Elementary AZ 3.70 040191030 Green Valley AZ 3.60 080770017 Grand Junction - Powell Building CO 3.60 051390006 El Dorado AR 3.60 051191008 ADEQ-DSR AR 3.60 051190007 PARR AR 3.50 121152002 Jackson Road FL 3.50 121150013 Bee Ridge FL 3.50 121056006 Fl. Baptist Children's Home FL 3.50 121035002 John A. Chesnut Sr. Park FL 3.50 121030018 Azalea FL 3.50 120952002 Lake Isle Estates FL 3.50 120573002 SYDNEY FL 3.50 120571065 gandy FL 3.50 120570030 PCEIA3 FL 3.40 060639901 Quincy BAM CA 3.40 060571001 Truckee BAM CA 3.30 120710005 Winkler Pump Station FL 3.30 120210004 Laurel Oaks Elementary FL 3.20 150012017 Mountain View HI 3.20 150012016 Pahala HI 3.20 150011012 Kona HI 3.20 150011006 Hilo HI 3.20 121130015 Woodlawn FL 3.20 120330004 Ellyson Industrial Park FL 3.20 080410017 Colorado College CO 3.20 010970003 CHICK. AL 3.10 011011002 MONTG AL 3.00 132150008 Columbus Airport GA 3.00 131530001 Warner Robins GA 3.00 130210012 Macon GA 2.90 132450091 AUGUSTA GA 2.70 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 2.70 150030010 Kapolei HI 2.70 121275002 Blind Services; 1185-A Dunn Ave FL 2.70 120830003 YMC FL 2.70 120470015 White Springs FL 2.70 120310100 Mayo Clinic FL 2.70 120310098 Mandarin FL 2.70 120310077 Sheffield Elementary School FL 2.70 120230002 Lake City FL 2.70 120013011 Payne's Prarie FL 2.70 080350004 Chatfield Park - 11500 N. Roxborough Par CO 2.70 080131001 Boulder - CU - 2102 Athens St. CO 2.70 080130003 Longmont CO 2.70 051430005 SPRNGDLE AR 2.60 130511002 Savannah L&A GA 2.60 000100010 Creston PC School BC 2.40 000091901 Caroline AB 2.40 000090302 Red Deer AB 2.40 000090227 Calgary Central AB 2.40 000090222 Calgary Northwest AB 2.40 000090218 Calgary East AB 2.20 000090601 Fort Saskatchewan AB 2.20 000090130 Edmonton Central AB 2.20 000090121 Edmonton East AB 2.20 000090120 Edmonton South AB 2.10 120590004 Bonifay FL 2.10 120050006 St. Andrews Park FL 1.90 000090502 Lethbridge AB 1.80 131850003 Valdosta GA 1.80 120730012 Tallahassee Community College FL 1.80 000094301 Cold Lake South AB 1.20 000091101 Elk Island AB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)