Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.84 000063701 Grand Bend ON 0.82 000062501 Tiverton ON 0.71 131210055 Confederate Ave GA 0.68 010732003 WYLAM AL 0.68 010030010 FAIRHOPE AL 0.63 010730023 NO. BHAM AL 0.63 000060512 Hamilton Downtown ON 0.62 010731005 MCADORY AL 0.62 000061502 Kitchener ON 0.62 000061302 St. Catharines ON 0.61 011011002 MONTG AL 0.61 000065001 Barrie ON 0.61 000061402 Brantford ON 0.61 000061104 Peterborough ON 0.61 000060609 Sudbury ON 0.60 131350002 Gwinnett Tech GA 0.60 130890002 South Dekalb GA 0.60 010731009 PROVIDENCE AL 0.59 131510002 McDonough GA 0.59 010732006 HOOVER AL 0.59 000061004 Sarnia ON 0.57 131390003 Gainesville GA 0.57 121130015 Woodlawn FL 0.57 090011123 Danbury CT 0.56 150011012 Kona HI 0.56 060832004 Lompoc H Street CA 0.55 120330004 Ellyson Industrial Park FL 0.54 132450091 AUGUSTA GA 0.54 120050006 St. Andrews Park FL 0.54 090092123 Waterbury CT 0.54 000065801 Chatham ON 0.54 000065401 Belleville ON 0.54 000065301 Port Stanley ON 0.53 121152002 Jackson Road FL 0.53 090032006 East Hartford - High Street CT 0.53 000060903 London ON 0.53 000060424 Toronto Downtown ON 0.52 010735002 PINSON AL 0.52 000065201 Parry Sound ON 0.50 130770002 NEWNAN GA 0.50 010970003 CHICK. AL 0.50 000010401 Mount Pearl NF #coincidences 10-30 and Corr > 0.5 Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences >30 and Corr > 0.5 0.96 000063701 Grand Bend ON 0.92 000062501 Tiverton ON 0.90 131390003 Gainesville GA 0.89 000060512 Hamilton Downtown ON 0.87 000061502 Kitchener ON 0.86 130770002 NEWNAN GA 0.86 010030010 FAIRHOPE AL 0.84 000065401 Belleville ON 0.82 000060424 Toronto Downtown ON 0.81 120470015 White Springs FL 0.81 010970003 CHICK. AL 0.81 000061104 Peterborough ON 0.80 131210055 Confederate Ave GA 0.80 000065301 Port Stanley ON 0.79 131350002 Gwinnett Tech GA 0.79 000061302 St. Catharines ON 0.78 131510002 McDonough GA 0.78 121130015 Woodlawn FL 0.77 000065001 Barrie ON 0.76 130590002 Athens FS # 7 GA 0.75 011011002 MONTG AL 0.74 120050006 St. Andrews Park FL 0.74 060832004 Lompoc H Street CA 0.73 010331002 MSHOALS AL 0.72 132950002 Rossville GA 0.71 150011006 Hilo HI 0.71 130890002 South Dekalb GA 0.71 120330004 Ellyson Industrial Park FL 0.71 010732006 HOOVER AL 0.70 090032006 East Hartford - High Street CT 0.69 010731010 LEEDS AL 0.69 010731005 MCADORY AL 0.68 150011012 Kona HI 0.68 010735003 CORNER AL 0.67 132450091 AUGUSTA GA 0.67 000090121 Edmonton East AB 0.66 090011123 Danbury CT 0.66 010735002 PINSON AL 0.66 010732003 WYLAM AL 0.66 000061004 Sarnia ON 0.64 121152002 Jackson Road FL 0.63 090092123 Waterbury CT 0.63 000060609 Sudbury ON 0.62 000065201 Parry Sound ON 0.61 150012016 Pahala HI 0.60 132230003 Yorkville GA 0.59 061110007 Thousand Oaks - Moorpark Road CA 0.57 010730023 NO. BHAM AL 0.56 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 0.56 120230002 Lake City FL 0.55 060371201 Reseda CA 0.55 000060204 Windsor Downtown ON 0.54 000062001 North Bay ON 0.53 090090027 New Haven - Criscuolo Park CT 0.53 010731009 PROVIDENCE AL 0.53 000063301 Dorset ON 0.52 131850003 Valdosta GA 0.51 150012017 Mountain View HI 0.51 130210012 Macon GA 0.51 060376012 Santa Clarita CA 0.50 061112002 Simi Valley - Cochran Street CA 0.50 060210002 Willows - E. Laurel Street CA #coincidences 10-30 and Corr > 0.5 0.89 000061402 Brantford ON 0.74 000060903 London ON Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 12.20 060832004 Lompoc H Street CA 9.60 061113001 El Rio - Rio Mesa School #2 CA 9.50 061111004 Ojai - Ojai Ave. CA 7.70 061110009 Piru - Pacific CA 7.50 061110007 Thousand Oaks - Moorpark Road CA 6.30 061131003 Woodland CA 6.10 060670011 Elk Grove CA 5.60 060670012 Folsom CA 5.60 000030310 SYDNEY NS 5.50 040138005 Estrella AZ 5.10 060010007 Livermore - Rincon CA 4.90 060959999 Rio Vista CA 4.50 060950004 Vallejo - 304 Tuolumne Street CA 4.50 040134010 Dysart AZ 4.10 060953002 Vacaville CA 4.10 040139998 Vehicle Emissions Laboratory AZ 3.80 060610006 Roseville - N.Sunrise/Douglas CA 3.50 061112002 Simi Valley - Cochran Street CA 3.50 060010011 Oakland West CA 3.40 060550003 Napa - Jefferson St CA 3.30 150011006 Hilo HI 3.30 060670010 Sacramento - T Street CA 2.90 060731010 San Diego - Beardsley Street CA 2.90 060731008 Camp Pendleton CA 2.80 000020401 SOUTHAMPTON PE 2.10 150012017 Mountain View HI 2.10 060376012 Santa Clarita CA 1.80 060012004 Berkeley CA 1.60 060710005 Lake Gregory - Crestline CA 1.40 060731002 Escondido CA 1.30 150031001 Honolulu HI 1.30 040191034 Coachline AZ 0.90 060850005 San Jose - Jackson St. CA 0.80 040139812 Durango AZ #coincidences 10-30 and Corr > 0.5 23.40 000010401 Mount Pearl NF Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 11.50 060832004 Lompoc H Street CA 11.10 060830011 Santa Barbara CA 9.60 061111004 Ojai - Ojai Ave. CA 8.70 061113001 El Rio - Rio Mesa School #2 CA 6.10 060670012 Folsom CA 6.10 060550003 Napa - Jefferson St CA 6.00 061131003 Woodland CA 5.90 060950004 Vallejo - 304 Tuolumne Street CA 5.40 060670011 Elk Grove CA 5.40 060670010 Sacramento - T Street CA 5.30 061130004 Davis CA 5.20 060670006 Sacramento - Del Paso Manor CA 4.70 060012004 Berkeley CA 4.60 060959999 Rio Vista CA 4.60 060010007 Livermore - Rincon CA 4.20 060010011 Oakland West CA 4.10 060610006 Roseville - N.Sunrise/Douglas CA 4.00 060953002 Vacaville CA 3.60 000020401 SOUTHAMPTON PE 3.50 060850005 San Jose - Jackson St. CA 3.50 040138005 Estrella AZ 3.40 060798001 Atascadero CA 3.30 061110009 Piru - Pacific CA 3.30 000030310 SYDNEY NS 2.90 060792004 Mesa 2 /Nipomo CA 2.80 061110007 Thousand Oaks - Moorpark Road CA 2.80 060731010 San Diego - Beardsley Street CA 2.30 040134003 South Phoenix AZ 2.10 150011006 Hilo HI 2.10 040139998 Vehicle Emissions Laboratory AZ 2.10 040130019 West Phoenix AZ 1.80 150031001 Honolulu HI 1.80 040134010 Dysart AZ 1.30 040139812 Durango AZ 1.10 150012017 Mountain View HI 0.60 061112002 Simi Valley - Cochran Street CA 0.50 060710005 Lake Gregory - Crestline CA #coincidences 10-30 and Corr > 0.5 12.00 000010401 Mount Pearl NF Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 112.70 000054401 Saint-Anicet QC 106.80 060431001 Yosemite Village - Visitor Center CA 60.60 060250005 Calexico - Ethel Street CA 55.90 060070002 Chico - Manzanita CA 55.00 060190008 Fresno - 1st Street CA 50.80 060890007 Anderson CA 49.00 060798001 Atascadero CA 44.40 060792004 Mesa 2 /Nipomo CA 38.20 060310004 Corcoran CA 36.30 060990005 Modesto - 14th Street CA 35.80 060290014 Bakersfield - 5558 California Ave CA 35.50 060670006 Sacramento - Del Paso Manor CA 35.20 120310077 Sheffield Elementary School FL 31.30 090050005 Cornwall CT 30.20 061130004 Davis CA 28.20 060711004 Upland CA 28.10 060590007 Anaheim CA 27.90 060830011 Santa Barbara CA 27.40 090090027 New Haven - Criscuolo Park CT 27.20 060731006 Alpine CA 27.00 060371103 Los Angeles - N. Main Street CA 26.00 000090121 Edmonton East AB 26.00 000054501 L'Assomption QC 24.50 060371201 Reseda CA 23.80 060658001 Riverside - Rubidoux CA 23.50 010970003 CHICK. AL 23.00 131390003 Gainesville GA 22.80 000040203 FOREST HILLS NB 22.20 090110124 Groton Fort Griswold CT 22.10 010732003 WYLAM AL 22.00 131850003 Valdosta GA 21.50 010731010 LEEDS AL 21.50 010730023 NO. BHAM AL 21.30 120230002 Lake City FL 21.20 060374002 North Long Beach CA 20.90 132950002 Rossville GA 20.80 130511002 Savannah L&A GA 20.70 000030701 AYLESFORD MOUNTAIN NS 20.00 060371002 Burbank - W. Palm Ave CA 19.90 060650012 Banning - South Hathaway Street CA 19.60 120470015 White Springs FL 19.20 060730003 El Cajon - Redwood Ave CA 19.20 060370016 Glendora - Laurel CA 18.90 011011002 MONTG AL 18.70 130770002 NEWNAN GA 18.50 130890002 South Dekalb GA 18.50 010030010 FAIRHOPE AL 18.40 120730012 Tallahassee Community College FL 18.40 060651003 Riverside - Magnolia CA 18.30 150011012 Kona HI 18.10 131510002 McDonough GA 18.10 110010043 McMillan Reservoir DC 18.10 000040207 SAINT JOHN WEST NB 17.80 132150008 Columbus Airport GA 17.70 132450091 AUGUSTA GA 17.60 060731002 Escondido CA 17.40 131210055 Confederate Ave GA 17.40 000040209 CASTLE ST. SAINT JO NB 17.10 010731005 MCADORY AL 17.10 000060303 Kingston ON 17.00 090092123 Waterbury CT 16.90 000050801 Ursulines QC 16.60 130210012 Macon GA 16.50 131530001 Warner Robins GA 16.50 060710005 Lake Gregory - Crestline CA 16.30 080410017 Colorado College CO 15.90 060731010 San Diego - Beardsley Street CA 15.80 130590002 Athens FS # 7 GA 15.80 010735002 PINSON AL 15.70 060376012 Santa Clarita CA 15.60 060731008 Camp Pendleton CA 15.50 100032004 MLK DE 15.40 000054703 Bécancour (Aréna) QC 15.30 050350005 MARION AR 15.20 010735003 CORNER AL 15.20 000065401 Belleville ON 15.10 000061201 Cornwall ON 15.00 061112002 Simi Valley - Cochran Street CA 15.00 000060424 Toronto Downtown ON 14.90 010732006 HOOVER AL 14.80 131350002 Gwinnett Tech GA 14.80 000061004 Sarnia ON 14.60 090032006 East Hartford - High Street CT 14.50 120590004 Bonifay FL 14.40 061070009 Sequoia/Kings Canyon - Ash Mountain CA 14.40 010731009 PROVIDENCE AL 14.30 000090227 Calgary Central AB 14.20 000040302 MONCTON NB 14.20 000040103 FREDERICTON NB 14.10 061010003 Yuba City CA 14.00 000052301 Saint-Faustin QC 14.00 000041302 BATHURST NB 13.90 000061104 Peterborough ON 13.70 060850005 San Jose - Jackson St. CA 13.70 051190007 PARR AR 13.60 051191008 ADEQ-DSR AR 13.60 000060512 Hamilton Downtown ON 13.50 132230003 Yorkville GA 13.50 120050006 St. Andrews Park FL 13.40 120330004 Ellyson Industrial Park FL 13.20 040130019 West Phoenix AZ 13.20 010331002 MSHOALS AL 13.10 121152002 Jackson Road FL 13.10 000063701 Grand Bend ON 13.10 000051501 Zéphirin QC 13.00 000065701 Morrisburg ON 13.00 000061302 St. Catharines ON 12.90 000040901 ST ANDREWS NB 12.80 120310098 Mandarin FL 12.70 060012004 Berkeley CA 12.70 051390006 El Dorado AR 12.60 000065301 Port Stanley ON 12.50 121130015 Woodlawn FL 12.50 121056006 Fl. Baptist Children's Home FL 12.50 121035002 John A. Chesnut Sr. Park FL 12.50 090011123 Danbury CT 12.50 000060104 Ottawa ON 12.50 000030310 SYDNEY NS 12.40 120861016 Miami Fire Station #5 FL 12.30 061113001 El Rio - Rio Mesa School #2 CA 12.30 000065001 Barrie ON 12.30 000060204 Windsor Downtown ON 12.10 120830003 YMC FL 12.10 000061502 Kitchener ON 12.00 150012016 Pahala HI 12.00 061072002 Visalia - N. Church Street CA 11.90 120570030 PCEIA3 FL 11.70 120571065 gandy FL 11.70 040191113 Geronimo AZ 11.60 120013011 Payne's Prarie FL 11.40 040134003 South Phoenix AZ 11.30 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 11.20 121275002 Blind Services; 1185-A Dunn Ave FL 11.20 060670010 Sacramento - T Street CA 11.10 060550003 Napa - Jefferson St CA 11.00 120952002 Lake Isle Estates FL 11.00 120090011 Fay Park FL 11.00 061110007 Thousand Oaks - Moorpark Road CA 11.00 060010011 Oakland West CA 11.00 000063301 Dorset ON 11.00 000062001 North Bay ON 11.00 000020104 CHARLOTTETOWN PE 10.70 060610006 Roseville - N.Sunrise/Douglas CA 10.70 000090120 Edmonton South AB 10.60 120573002 SYDNEY FL 10.60 060571001 Truckee BAM CA 10.60 060271023 Bishop Paiute Tribe-CA CA 10.60 060210002 Willows - E. Laurel Street CA 10.40 080310025 Denver Animal Shelter - 678 S. Jason St. CO 10.40 060953002 Vacaville CA 10.40 000090130 Edmonton Central AB 10.30 000065801 Chatham ON 10.20 061110009 Piru - Pacific CA 10.10 121030018 Azalea FL 10.00 120310100 Mayo Clinic FL 10.00 060950004 Vallejo - 304 Tuolumne Street CA 10.00 000020301 WELLINGTON PE 9.90 061111004 Ojai - Ojai Ave. CA 9.80 120866001 Homestead Fire Station #16 FL 9.80 120090007 Melbourne FL 9.80 060074001 Gridley CA 9.70 060832004 Lompoc H Street CA 9.70 040139812 Durango AZ 9.40 120210004 Laurel Oaks Elementary FL 9.40 060959999 Rio Vista CA 9.40 000065201 Parry Sound ON 9.30 000090222 Calgary Northwest AB 9.20 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 9.20 081230006 Greeley Hospital CO 9.10 051430005 SPRNGDLE AR 8.90 080310002 Denver - CAMP - 2105 Broadway CO 8.90 060670012 Folsom CA 8.80 121150013 Bee Ridge FL 8.80 080130003 Longmont CO 8.70 000062501 Tiverton ON 8.70 000020401 SOUTHAMPTON PE 8.40 080010006 Commerce City - 7101 Birch St. CO 8.40 000090218 Calgary East AB 8.20 080310013 Denver - NJH - 14th Ave. & Albion St. CO 8.20 061131003 Woodland CA 8.10 120710005 Winkler Pump Station FL 8.10 060010007 Livermore - Rincon CA 8.00 040191034 Coachline AZ 7.90 060670011 Elk Grove CA 7.70 000090502 Lethbridge AB 7.30 000060709 Sault Ste Marie ON 7.30 000060609 Sudbury ON 7.00 040191032 Rose Elementary AZ 6.20 040139998 Vehicle Emissions Laboratory AZ 6.10 040191030 Green Valley AZ 5.80 120990009 Royal Palm Beach FL 5.80 040134010 Dysart AZ 5.50 060570005 Grass Valley CA 5.40 080770017 Grand Junction - Powell Building CO 5.10 000094301 Cold Lake South AB 5.00 150031001 Honolulu HI 4.90 150012017 Mountain View HI 4.80 040138005 Estrella AZ 4.60 060639901 Quincy BAM CA 3.90 150011006 Hilo HI 3.20 000100010 Creston PC School BC 3.20 000091101 Elk Island AB #coincidences 10-30 and Corr > 0.5 24.20 060659001 Lake Elsinore - W. Flint Street CA 21.30 060410003 Point Reyes CA 18.80 000040801 CANTERBURY NB 16.90 000061402 Brantford ON 15.10 000060903 London ON 11.80 080350004 Chatfield Park - 11500 N. Roxborough Par CO 9.30 000010401 Mount Pearl NF 8.40 120111002 DAVIE FL 6.90 000090302 Red Deer AB 4.70 000090601 Fort Saskatchewan AB 4.50 000091901 Caroline AB Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 19.90 060731010 San Diego - Beardsley Street CA 17.80 061113001 El Rio - Rio Mesa School #2 CA 17.80 061111004 Ojai - Ojai Ave. CA 17.80 060832004 Lompoc H Street CA 17.80 060830011 Santa Barbara CA 14.00 051390006 El Dorado AR 14.00 051191008 ADEQ-DSR AR 14.00 051190007 PARR AR 11.10 061112002 Simi Valley - Cochran Street CA 11.10 061110009 Piru - Pacific CA 11.10 061110007 Thousand Oaks - Moorpark Road CA 11.10 060731008 Camp Pendleton CA 11.10 060731002 Escondido CA 11.10 060711004 Upland CA 11.10 060710005 Lake Gregory - Crestline CA 11.10 060659001 Lake Elsinore - W. Flint Street CA 11.10 060658001 Riverside - Rubidoux CA 11.10 060651003 Riverside - Magnolia CA 11.10 060590007 Anaheim CA 11.10 060376012 Santa Clarita CA 11.10 060374002 North Long Beach CA 11.10 060371201 Reseda CA 11.10 060371103 Los Angeles - N. Main Street CA 11.10 060371002 Burbank - W. Palm Ave CA 11.10 060370016 Glendora - Laurel CA 11.00 121130015 Woodlawn FL 11.00 120330004 Ellyson Industrial Park FL 11.00 010970003 CHICK. AL 11.00 010030010 FAIRHOPE AL 10.70 120990009 Royal Palm Beach FL 10.70 120866001 Homestead Fire Station #16 FL 10.70 120861016 Miami Fire Station #5 FL 10.70 120111002 DAVIE FL 10.40 051430005 SPRNGDLE AR 9.80 060731006 Alpine CA 9.80 060730003 El Cajon - Redwood Ave CA 9.80 060250005 Calexico - Ethel Street CA 8.90 000010401 Mount Pearl NF 8.80 050350005 MARION AR 8.50 120710005 Winkler Pump Station FL 8.50 120210004 Laurel Oaks Elementary FL 8.50 120090011 Fay Park FL 8.50 120090007 Melbourne FL 8.30 120590004 Bonifay FL 8.30 120050006 St. Andrews Park FL 8.00 060650012 Banning - South Hathaway Street CA 7.60 121275002 Blind Services; 1185-A Dunn Ave FL 7.60 120830003 YMC FL 7.60 120470015 White Springs FL 7.60 120310100 Mayo Clinic FL 7.60 120310098 Mandarin FL 7.60 120310077 Sheffield Elementary School FL 7.60 120230002 Lake City FL 7.60 120013011 Payne's Prarie FL 7.60 061070009 Sequoia/Kings Canyon - Ash Mountain CA 7.60 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 7.40 121152002 Jackson Road FL 7.40 121150013 Bee Ridge FL 7.40 121056006 Fl. Baptist Children's Home FL 7.40 121035002 John A. Chesnut Sr. Park FL 7.40 121030018 Azalea FL 7.40 120952002 Lake Isle Estates FL 7.40 120573002 SYDNEY FL 7.40 120571065 gandy FL 7.40 120570030 PCEIA3 FL 7.10 131850003 Valdosta GA 7.10 120730012 Tallahassee Community College FL 6.90 061072002 Visalia - N. Church Street CA 6.90 060798001 Atascadero CA 6.90 060792004 Mesa 2 /Nipomo CA 6.90 060310004 Corcoran CA 6.90 060290014 Bakersfield - 5558 California Ave CA 6.90 060190008 Fresno - 1st Street CA 6.60 130511002 Savannah L&A GA 6.50 011011002 MONTG AL 6.20 132150008 Columbus Airport GA 6.20 131530001 Warner Robins GA 6.20 130210012 Macon GA 6.10 010731009 PROVIDENCE AL 6.10 010731005 MCADORY AL 6.10 010331002 MSHOALS AL 5.90 040191034 Coachline AZ 5.40 061131003 Woodland CA 5.40 061130004 Davis CA 5.40 060959999 Rio Vista CA 5.40 060953002 Vacaville CA 5.40 060950004 Vallejo - 304 Tuolumne Street CA 5.40 060850005 San Jose - Jackson St. CA 5.40 060670012 Folsom CA 5.40 060670011 Elk Grove CA 5.40 060670010 Sacramento - T Street CA 5.40 060670006 Sacramento - Del Paso Manor CA 5.40 060610006 Roseville - N.Sunrise/Douglas CA 5.40 060550003 Napa - Jefferson St CA 5.40 060410003 Point Reyes CA 5.40 060012004 Berkeley CA 5.40 060010011 Oakland West CA 5.40 060010007 Livermore - Rincon CA 5.20 132950002 Rossville GA 5.20 132230003 Yorkville GA 5.20 010735003 CORNER AL 5.20 010735002 PINSON AL 5.20 010732006 HOOVER AL 5.20 010732003 WYLAM AL 5.20 010731010 LEEDS AL 5.20 010730023 NO. BHAM AL 5.00 000030310 SYDNEY NS 4.90 040139998 Vehicle Emissions Laboratory AZ 4.90 040139812 Durango AZ 4.90 040138005 Estrella AZ 4.90 040134010 Dysart AZ 4.90 040134003 South Phoenix AZ 4.90 040130019 West Phoenix AZ 4.80 040191113 Geronimo AZ 4.80 040191032 Rose Elementary AZ 4.80 040191030 Green Valley AZ 4.80 000061201 Cornwall ON 4.80 000054501 L'Assomption QC 4.80 000054401 Saint-Anicet QC 4.80 000052301 Saint-Faustin QC 4.40 131510002 McDonough GA 4.40 131390003 Gainesville GA 4.40 131350002 Gwinnett Tech GA 4.40 131210055 Confederate Ave GA 4.40 130890002 South Dekalb GA 4.40 130770002 NEWNAN GA 4.40 130590002 Athens FS # 7 GA 4.10 000091901 Caroline AB 4.10 000090302 Red Deer AB 4.10 000090227 Calgary Central AB 4.10 000090222 Calgary Northwest AB 4.10 000090218 Calgary East AB 4.10 000065401 Belleville ON 4.10 000061104 Peterborough ON 3.90 000065001 Barrie ON 3.90 000061502 Kitchener ON 3.90 000061402 Brantford ON 3.90 000061302 St. Catharines ON 3.90 000060512 Hamilton Downtown ON 3.90 000060424 Toronto Downtown ON 3.80 132450091 AUGUSTA GA 3.80 110010043 McMillan Reservoir DC 3.80 100032004 MLK DE 3.80 060990005 Modesto - 14th Street CA 3.80 060431001 Yosemite Village - Visitor Center CA 3.70 000065701 Morrisburg ON 3.70 000060303 Kingston ON 3.70 000054703 Bécancour (Aréna) QC 3.70 000051501 Zéphirin QC 3.70 000050801 Ursulines QC 3.50 090110124 Groton Fort Griswold CT 3.50 090090027 New Haven - Criscuolo Park CT 3.50 090032006 East Hartford - High Street CT 3.40 000060104 Ottawa ON 3.30 000090601 Fort Saskatchewan AB 3.30 000090130 Edmonton Central AB 3.30 000090121 Edmonton East AB 3.30 000090120 Edmonton South AB 3.20 090092123 Waterbury CT 3.20 090050005 Cornwall CT 3.20 090011123 Danbury CT 3.20 000020401 SOUTHAMPTON PE 3.10 000060204 Windsor Downtown ON 2.90 060271023 Bishop Paiute Tribe-CA CA 2.80 000063301 Dorset ON 2.70 061010003 Yuba City CA 2.70 060890007 Anderson CA 2.70 060570005 Grass Valley CA 2.70 060210002 Willows - E. Laurel Street CA 2.70 060074001 Gridley CA 2.70 060070002 Chico - Manzanita CA 2.70 000065801 Chatham ON 2.70 000065301 Port Stanley ON 2.70 000061004 Sarnia ON 2.70 000060903 London ON 2.60 150012017 Mountain View HI 2.60 150012016 Pahala HI 2.60 150011012 Kona HI 2.60 150011006 Hilo HI 2.60 081230006 Greeley Hospital CO 2.60 080310025 Denver Animal Shelter - 678 S. Jason St. CO 2.60 080310013 Denver - NJH - 14th Ave. & Albion St. CO 2.60 080310002 Denver - CAMP - 2105 Broadway CO 2.60 080010006 Commerce City - 7101 Birch St. CO 2.40 080350004 Chatfield Park - 11500 N. Roxborough Par CO 2.40 080131001 Boulder - CU - 2102 Athens St. CO 2.40 080130003 Longmont CO 2.30 060639901 Quincy BAM CA 2.30 060571001 Truckee BAM CA 2.30 000065201 Parry Sound ON 2.30 000062001 North Bay ON 2.30 000060609 Sudbury ON 2.20 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 2.20 150031001 Honolulu HI 2.20 150030010 Kapolei HI 2.20 080410017 Colorado College CO 2.10 080770017 Grand Junction - Powell Building CO 2.00 000091101 Elk Island AB 1.80 000100010 Creston PC School BC 1.80 000094301 Cold Lake South AB 1.60 000090502 Lethbridge AB 1.40 000063701 Grand Bend ON 1.40 000062501 Tiverton ON 1.30 000040209 CASTLE ST. SAINT JO NB 1.30 000040207 SAINT JOHN WEST NB 1.30 000040203 FOREST HILLS NB 1.30 000040103 FREDERICTON NB 1.10 000060709 Sault Ste Marie ON 1.00 000040901 ST ANDREWS NB 1.00 000040801 CANTERBURY NB 0.50 000041302 BATHURST NB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)