Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.74 010970003 CHICK. AL 0.70 010730023 NO. BHAM AL 0.64 010732003 WYLAM AL 0.63 010731010 LEEDS AL 0.60 011011002 MONTG AL 0.59 010735003 CORNER AL 0.57 010731005 MCADORY AL 0.56 010731009 PROVIDENCE AL 0.56 000040203 FOREST HILLS NB 0.54 010735002 PINSON AL 0.54 010732006 HOOVER AL 0.53 051430005 SPRNGDLE AR 0.52 000090218 Calgary East AB 0.51 051190007 PARR AR 0.50 051390006 El Dorado AR 0.50 000090227 Calgary Central AB #coincidences 10-30 and Corr > 0.5 0.71 150031001 Honolulu HI 0.71 120590004 Bonifay FL 0.65 120050006 St. Andrews Park FL 0.61 120730012 Tallahassee Community College FL 0.60 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 0.56 132150008 Columbus Airport GA 0.51 120330004 Ellyson Industrial Park FL Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences >30 and Corr > 0.5 0.93 051390006 El Dorado AR 0.82 010970003 CHICK. AL 0.81 051191008 ADEQ-DSR AR 0.81 000090227 Calgary Central AB 0.80 051190007 PARR AR 0.79 010731010 LEEDS AL 0.78 051430005 SPRNGDLE AR 0.77 000090218 Calgary East AB 0.76 010730023 NO. BHAM AL 0.75 010735002 PINSON AL 0.75 010731005 MCADORY AL 0.75 000090302 Red Deer AB 0.73 010732006 HOOVER AL 0.73 010732003 WYLAM AL 0.73 000065801 Chatham ON 0.71 010735003 CORNER AL 0.71 010731009 PROVIDENCE AL 0.71 000040203 FOREST HILLS NB 0.69 010331002 MSHOALS AL 0.68 061112002 Simi Valley - Cochran Street CA 0.66 011011002 MONTG AL 0.59 000100010 Creston PC School BC 0.58 000090222 Calgary Northwest AB 0.53 000090502 Lethbridge AB 0.51 000090120 Edmonton South AB #coincidences 10-30 and Corr > 0.5 0.95 120590004 Bonifay FL 0.92 120050006 St. Andrews Park FL 0.89 132150008 Columbus Airport GA 0.85 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 0.84 150031001 Honolulu HI 0.84 120830003 YMC FL 0.79 120730012 Tallahassee Community College FL 0.75 131850003 Valdosta GA 0.75 121130015 Woodlawn FL 0.73 120330004 Ellyson Industrial Park FL 0.69 150011012 Kona HI 0.60 090032006 East Hartford - High Street CT 0.60 000065301 Port Stanley ON 0.54 120090007 Melbourne FL 0.51 000061502 Kitchener ON Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 9.00 000030310 SYDNEY NS 7.00 060670012 Folsom CA 6.20 000065001 Barrie ON 5.40 061111004 Ojai - Ojai Ave. CA 5.00 061131003 Woodland CA 4.50 000060424 Toronto Downtown ON 4.40 060953002 Vacaville CA 4.10 000060512 Hamilton Downtown ON 4.00 060798001 Atascadero CA 3.90 060959999 Rio Vista CA 3.60 000061402 Brantford ON 3.60 000061302 St. Catharines ON 3.20 060550003 Napa - Jefferson St CA 3.10 000052301 Saint-Faustin QC 2.60 061110009 Piru - Pacific CA 2.60 000040901 ST ANDREWS NB 2.50 000061201 Cornwall ON 2.40 060850005 San Jose - Jackson St. CA 2.10 000060903 London ON 2.10 000020301 WELLINGTON PE 2.00 060792004 Mesa 2 /Nipomo CA 2.00 000054401 Saint-Anicet QC 1.90 061113001 El Rio - Rio Mesa School #2 CA 1.90 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 1.90 000051501 Zéphirin QC 1.80 060012004 Berkeley CA 1.50 000040302 MONCTON NB 1.30 040138005 Estrella AZ 1.30 040134010 Dysart AZ 1.30 000065701 Morrisburg ON 0.90 061110007 Thousand Oaks - Moorpark Road CA 0.70 040191034 Coachline AZ 0.60 000060104 Ottawa ON 0.50 060010011 Oakland West CA #coincidences 10-30 and Corr > 0.5 9.20 000020401 SOUTHAMPTON PE 8.60 090090027 New Haven - Criscuolo Park CT 6.60 090032006 East Hartford - High Street CT 5.10 090050005 Cornwall CT 4.70 100032004 MLK DE 4.20 150031001 Honolulu HI 4.00 090011123 Danbury CT 3.70 000061104 Peterborough ON 1.80 150012016 Pahala HI 1.80 000065401 Belleville ON 1.80 000040209 CASTLE ST. SAINT JO NB 1.40 060710005 Lake Gregory - Crestline CA 1.10 150011006 Hilo HI 1.10 060670010 Sacramento - T Street CA 1.10 000063301 Dorset ON 1.00 130210012 Macon GA 0.90 132150008 Columbus Airport GA 0.80 060731010 San Diego - Beardsley Street CA 0.60 130770002 NEWNAN GA Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 6.90 061131003 Woodland CA 6.90 060670006 Sacramento - Del Paso Manor CA 6.60 061111004 Ojai - Ojai Ave. CA 6.50 060670012 Folsom CA 6.00 060550003 Napa - Jefferson St CA 5.30 060012004 Berkeley CA 5.00 060953002 Vacaville CA 4.80 060959999 Rio Vista CA 4.80 000030310 SYDNEY NS 4.70 060832004 Lompoc H Street CA 4.00 060670011 Elk Grove CA 3.90 000065001 Barrie ON 3.60 060830011 Santa Barbara CA 3.50 060850005 San Jose - Jackson St. CA 3.50 060410003 Point Reyes CA 3.10 061113001 El Rio - Rio Mesa School #2 CA 2.90 060890007 Anderson CA 2.90 000061201 Cornwall ON 2.60 000065701 Morrisburg ON 2.60 000061302 St. Catharines ON 2.50 061110009 Piru - Pacific CA 2.50 061110007 Thousand Oaks - Moorpark Road CA 2.50 060798001 Atascadero CA 2.40 000060512 Hamilton Downtown ON 2.40 000060424 Toronto Downtown ON 2.30 000061402 Brantford ON 2.20 000051501 Zéphirin QC 2.10 060010011 Oakland West CA 1.90 000052301 Saint-Faustin QC 1.70 000054401 Saint-Anicet QC 1.60 000040302 MONCTON NB 1.50 060792004 Mesa 2 /Nipomo CA 1.30 051390006 El Dorado AR 1.20 000020301 WELLINGTON PE 1.10 000060903 London ON 1.10 000060104 Ottawa ON 0.90 000040901 ST ANDREWS NB 0.80 000065801 Chatham ON 0.80 000062001 North Bay ON 0.60 060570005 Grass Valley CA 0.50 051190007 PARR AR #coincidences 10-30 and Corr > 0.5 5.90 000020401 SOUTHAMPTON PE 4.90 090090027 New Haven - Criscuolo Park CT 4.90 090032006 East Hartford - High Street CT 4.90 060710005 Lake Gregory - Crestline CA 4.30 100032004 MLK DE 4.20 061130004 Davis CA 3.90 090050005 Cornwall CT 3.30 090110124 Groton Fort Griswold CT 3.30 090011123 Danbury CT 2.70 060731010 San Diego - Beardsley Street CA 2.60 150031001 Honolulu HI 2.30 060670010 Sacramento - T Street CA 1.70 000061104 Peterborough ON 1.50 000040209 CASTLE ST. SAINT JO NB 1.40 000061502 Kitchener ON 1.30 150011006 Hilo HI 1.20 132150008 Columbus Airport GA 1.10 131390003 Gainesville GA 1.10 000060303 Kingston ON 1.00 131350002 Gwinnett Tech GA 1.00 110010043 McMillan Reservoir DC 0.90 150012016 Pahala HI 0.90 000065301 Port Stanley ON 0.80 131530001 Warner Robins GA 0.80 000065401 Belleville ON 0.70 130770002 NEWNAN GA 0.70 130210012 Macon GA 0.50 000063301 Dorset ON Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 379.40 060990005 Modesto - 14th Street CA 165.30 060190008 Fresno - 1st Street CA 126.20 060832004 Lompoc H Street CA 116.00 060890007 Anderson CA 84.70 060250005 Calexico - Ethel Street CA 70.10 060830011 Santa Barbara CA 68.10 061072002 Visalia - N. Church Street CA 63.80 060670006 Sacramento - Del Paso Manor CA 49.70 060570005 Grass Valley CA 41.00 060410003 Point Reyes CA 34.90 060639901 Quincy BAM CA 32.00 060371103 Los Angeles - N. Main Street CA 30.00 060711004 Upland CA 29.80 060670011 Elk Grove CA 29.70 060571001 Truckee BAM CA 29.20 060371201 Reseda CA 29.00 060310004 Corcoran CA 28.90 060371002 Burbank - W. Palm Ave CA 27.60 050350005 MARION AR 27.40 060658001 Riverside - Rubidoux CA 25.90 000054501 L'Assomption QC 25.40 060290014 Bakersfield - 5558 California Ave CA 24.60 010730023 NO. BHAM AL 24.20 060590007 Anaheim CA 22.40 060730003 El Cajon - Redwood Ave CA 22.20 010970003 CHICK. AL 22.00 060651003 Riverside - Magnolia CA 21.80 060376012 Santa Clarita CA 21.80 060370016 Glendora - Laurel CA 20.90 000090121 Edmonton East AB 19.70 061112002 Simi Valley - Cochran Street CA 19.50 060650012 Banning - South Hathaway Street CA 19.30 060374002 North Long Beach CA 18.20 060731006 Alpine CA 17.80 010731010 LEEDS AL 17.60 010732003 WYLAM AL 17.50 000090302 Red Deer AB 17.30 060731002 Escondido CA 16.80 011011002 MONTG AL 16.70 060731008 Camp Pendleton CA 16.60 061070009 Sequoia/Kings Canyon - Ash Mountain CA 16.60 061010003 Yuba City CA 16.60 060659001 Lake Elsinore - W. Flint Street CA 16.20 051191008 ADEQ-DSR AR 16.10 060074001 Gridley CA 16.10 010731005 MCADORY AL 15.80 051190007 PARR AR 15.80 000090227 Calgary Central AB 15.50 060610006 Roseville - N.Sunrise/Douglas CA 15.10 061110007 Thousand Oaks - Moorpark Road CA 14.90 061113001 El Rio - Rio Mesa School #2 CA 14.60 051390006 El Dorado AR 14.60 000090218 Calgary East AB 14.50 060010011 Oakland West CA 14.20 000090120 Edmonton South AB 13.90 061110009 Piru - Pacific CA 13.40 060012004 Berkeley CA 13.30 060210002 Willows - E. Laurel Street CA 13.10 080310013 Denver - NJH - 14th Ave. & Albion St. CO 13.00 080410017 Colorado College CO 13.00 010732006 HOOVER AL 12.40 080310025 Denver Animal Shelter - 678 S. Jason St. CO 12.20 060850005 San Jose - Jackson St. CA 12.00 060959999 Rio Vista CA 11.90 051430005 SPRNGDLE AR 11.90 040191113 Geronimo AZ 11.90 010735002 PINSON AL 11.90 000090130 Edmonton Central AB 11.80 010731009 PROVIDENCE AL 11.60 060953002 Vacaville CA 11.50 060550003 Napa - Jefferson St CA 11.40 000090222 Calgary Northwest AB 11.30 010735003 CORNER AL 11.10 061131003 Woodland CA 11.10 040139812 Durango AZ 11.10 000090601 Fort Saskatchewan AB 10.90 060070002 Chico - Manzanita CA 10.80 061111004 Ojai - Ojai Ave. CA 10.70 080310002 Denver - CAMP - 2105 Broadway CO 10.40 010331002 MSHOALS AL 10.20 000060204 Windsor Downtown ON 9.90 000061004 Sarnia ON 9.70 060792004 Mesa 2 /Nipomo CA 9.60 040130019 West Phoenix AZ 8.80 000054703 Bécancour (Aréna) QC 8.70 080010006 Commerce City - 7101 Birch St. CO 8.70 060670012 Folsom CA 8.60 000065801 Chatham ON 8.40 000040207 SAINT JOHN WEST NB 8.20 080130003 Longmont CO 8.20 000090502 Lethbridge AB 8.10 040191034 Coachline AZ 8.10 000050801 Ursulines QC 8.10 000040203 FOREST HILLS NB 7.80 040139998 Vehicle Emissions Laboratory AZ 7.70 060798001 Atascadero CA 7.70 000041302 BATHURST NB 7.60 040134003 South Phoenix AZ 7.40 080131001 Boulder - CU - 2102 Athens St. CO 7.40 000020104 CHARLOTTETOWN PE 7.30 000061302 St. Catharines ON 7.30 000054401 Saint-Anicet QC 7.20 000040302 MONCTON NB 6.80 000061402 Brantford ON 6.70 000100010 Creston PC School BC 6.70 000060512 Hamilton Downtown ON 6.60 040134010 Dysart AZ 6.50 040138005 Estrella AZ 6.40 080770017 Grand Junction - Powell Building CO 6.40 000052301 Saint-Faustin QC 6.20 000030310 SYDNEY NS 6.10 000060424 Toronto Downtown ON 6.00 040191032 Rose Elementary AZ 6.00 000094301 Cold Lake South AB 6.00 000061201 Cornwall ON 6.00 000060903 London ON 5.80 040191030 Green Valley AZ 5.60 000020301 WELLINGTON PE 5.50 060271023 Bishop Paiute Tribe-CA CA 5.40 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 5.20 000065701 Morrisburg ON 5.20 000065001 Barrie ON 5.10 000091101 Elk Island AB 4.90 000060104 Ottawa ON 4.90 000051501 Zéphirin QC 4.00 000062001 North Bay ON 4.00 000040901 ST ANDREWS NB #coincidences 10-30 and Corr > 0.5 161.50 061130004 Davis CA 35.30 060431001 Yosemite Village - Visitor Center CA 26.70 120230002 Lake City FL 24.10 090092123 Waterbury CT 22.80 090110124 Groton Fort Griswold CT 17.80 120830003 YMC FL 17.20 131850003 Valdosta GA 17.00 121152002 Jackson Road FL 17.00 120573002 SYDNEY FL 16.90 120730012 Tallahassee Community College FL 16.60 060710005 Lake Gregory - Crestline CA 16.30 120861016 Miami Fire Station #5 FL 16.10 060731010 San Diego - Beardsley Street CA 15.90 121150013 Bee Ridge FL 15.00 120570030 PCEIA3 FL 14.60 121035002 John A. Chesnut Sr. Park FL 14.60 121030018 Azalea FL 14.50 121056006 Fl. Baptist Children's Home FL 14.00 150011012 Kona HI 14.00 060670010 Sacramento - T Street CA 13.90 131530001 Warner Robins GA 13.90 120470015 White Springs FL 13.60 120590004 Bonifay FL 13.60 120210004 Laurel Oaks Elementary FL 13.50 120571065 gandy FL 13.40 130511002 Savannah L&A GA 13.40 080350004 Chatfield Park - 11500 N. Roxborough Par CO 13.00 120866001 Homestead Fire Station #16 FL 12.80 120013011 Payne's Prarie FL 12.70 121275002 Blind Services; 1185-A Dunn Ave FL 12.60 130890002 South Dekalb GA 12.60 120710005 Winkler Pump Station FL 12.60 120050006 St. Andrews Park FL 12.50 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 12.50 120111002 DAVIE FL 12.40 120090011 Fay Park FL 11.80 132950002 Rossville GA 11.80 120952002 Lake Isle Estates FL 11.70 132450091 AUGUSTA GA 11.30 131510002 McDonough GA 11.20 131390003 Gainesville GA 11.20 000061502 Kitchener ON 10.80 132150008 Columbus Airport GA 10.70 130210012 Macon GA 10.70 120090007 Melbourne FL 10.40 120310098 Mandarin FL 10.30 120330004 Ellyson Industrial Park FL 9.90 000100059 Grand Forks City Hall BC 9.70 131210055 Confederate Ave GA 9.70 120310077 Sheffield Elementary School FL 9.50 121130015 Woodlawn FL 9.50 081230006 Greeley Hospital CO 9.10 150012016 Pahala HI 9.10 131350002 Gwinnett Tech GA 9.10 120310100 Mayo Clinic FL 8.50 000065301 Port Stanley ON 8.20 130590002 Athens FS # 7 GA 8.10 150011006 Hilo HI 7.70 130770002 NEWNAN GA 7.30 132230003 Yorkville GA 7.30 100032004 MLK DE 7.00 000040209 CASTLE ST. SAINT JO NB 6.80 090032006 East Hartford - High Street CT 6.70 110010043 McMillan Reservoir DC 6.60 000091901 Caroline AB 6.30 000040103 FREDERICTON NB 6.10 000060303 Kingston ON 5.60 000063701 Grand Bend ON 5.50 090090027 New Haven - Criscuolo Park CT 5.40 150031001 Honolulu HI 5.40 000065401 Belleville ON 5.20 090011123 Danbury CT 4.40 000062501 Tiverton ON 4.40 000060609 Sudbury ON 4.30 000060709 Sault Ste Marie ON 4.10 090050005 Cornwall CT 4.10 000061104 Peterborough ON 4.00 000065201 Parry Sound ON 3.90 000063301 Dorset ON 3.90 000020401 SOUTHAMPTON PE Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 49.60 000010401 Mount Pearl NF 21.10 040139998 Vehicle Emissions Laboratory AZ 21.10 040139812 Durango AZ 21.10 040138005 Estrella AZ 21.10 040134010 Dysart AZ 21.10 040134003 South Phoenix AZ 21.10 040130019 West Phoenix AZ 17.70 000030310 SYDNEY NS 16.60 050350005 MARION AR 16.00 061131003 Woodland CA 16.00 061130004 Davis CA 16.00 060959999 Rio Vista CA 16.00 060953002 Vacaville CA 16.00 060850005 San Jose - Jackson St. CA 16.00 060670012 Folsom CA 16.00 060670011 Elk Grove CA 16.00 060670010 Sacramento - T Street CA 16.00 060670006 Sacramento - Del Paso Manor CA 16.00 060610006 Roseville - N.Sunrise/Douglas CA 16.00 060550003 Napa - Jefferson St CA 16.00 060410003 Point Reyes CA 16.00 060012004 Berkeley CA 16.00 060010011 Oakland West CA 14.20 060650012 Banning - South Hathaway Street CA 13.70 060731010 San Diego - Beardsley Street CA 13.10 061112002 Simi Valley - Cochran Street CA 13.10 061110009 Piru - Pacific CA 13.10 061110007 Thousand Oaks - Moorpark Road CA 13.10 060731008 Camp Pendleton CA 13.10 060731002 Escondido CA 13.10 060711004 Upland CA 13.10 060710005 Lake Gregory - Crestline CA 13.10 060659001 Lake Elsinore - W. Flint Street CA 13.10 060658001 Riverside - Rubidoux CA 13.10 060651003 Riverside - Magnolia CA 13.10 060590007 Anaheim CA 13.10 060376012 Santa Clarita CA 13.10 060374002 North Long Beach CA 13.10 060371201 Reseda CA 13.10 060371103 Los Angeles - N. Main Street CA 13.10 060371002 Burbank - W. Palm Ave CA 13.10 060370016 Glendora - Laurel CA 12.10 060731006 Alpine CA 12.10 060730003 El Cajon - Redwood Ave CA 12.10 060250005 Calexico - Ethel Street CA 11.90 000020401 SOUTHAMPTON PE 11.30 051390006 El Dorado AR 11.30 051191008 ADEQ-DSR AR 11.30 051190007 PARR AR 10.80 120710005 Winkler Pump Station FL 10.80 120210004 Laurel Oaks Elementary FL 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 10.60 061113001 El Rio - Rio Mesa School #2 CA 10.60 061111004 Ojai - Ojai Ave. CA 10.60 060832004 Lompoc H Street CA 10.60 060830011 Santa Barbara CA 9.40 130511002 Savannah L&A GA 8.80 132150008 Columbus Airport GA 8.80 131530001 Warner Robins GA 8.80 130210012 Macon GA 8.70 120090011 Fay Park FL 8.70 120090007 Melbourne FL 8.70 100032004 MLK DE 8.20 121152002 Jackson Road FL 8.20 121150013 Bee Ridge FL 8.20 121056006 Fl. Baptist Children's Home FL 8.20 121035002 John A. Chesnut Sr. Park FL 8.20 121030018 Azalea FL 8.20 120952002 Lake Isle Estates FL 8.20 120573002 SYDNEY FL 8.20 120571065 gandy FL 8.20 120570030 PCEIA3 FL 7.40 040191034 Coachline AZ 7.10 010731009 PROVIDENCE AL 7.10 010731005 MCADORY AL 7.10 010331002 MSHOALS AL 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 6.50 061010003 Yuba City CA 6.50 060890007 Anderson CA 6.50 060570005 Grass Valley CA 6.50 060210002 Willows - E. Laurel Street CA 6.50 060074001 Gridley CA 6.50 060070002 Chico - Manzanita CA 6.30 121130015 Woodlawn FL 6.30 120590004 Bonifay FL 6.30 120330004 Ellyson Industrial Park FL 6.30 120050006 St. Andrews Park FL 6.30 010970003 CHICK. AL 6.00 132950002 Rossville GA 6.00 132230003 Yorkville GA 6.00 131850003 Valdosta GA 6.00 131510002 McDonough GA 6.00 131390003 Gainesville GA 6.00 131350002 Gwinnett Tech GA 6.00 131210055 Confederate Ave GA 6.00 130890002 South Dekalb GA 6.00 130770002 NEWNAN GA 6.00 130590002 Athens FS # 7 GA 6.00 120730012 Tallahassee Community College FL 6.00 110010043 McMillan Reservoir DC 6.00 010735003 CORNER AL 6.00 010735002 PINSON AL 6.00 010732006 HOOVER AL 6.00 010732003 WYLAM AL 6.00 010731010 LEEDS AL 6.00 010730023 NO. BHAM AL 5.90 121275002 Blind Services; 1185-A Dunn Ave FL 5.90 120830003 YMC FL 5.90 120470015 White Springs FL 5.90 120310100 Mayo Clinic FL 5.90 120310098 Mandarin FL 5.90 120310077 Sheffield Elementary School FL 5.90 120230002 Lake City FL 5.90 120013011 Payne's Prarie FL 5.90 060990005 Modesto - 14th Street CA 5.90 060431001 Yosemite Village - Visitor Center CA 5.90 011011002 MONTG AL 5.50 090110124 Groton Fort Griswold CT 5.50 090090027 New Haven - Criscuolo Park CT 5.50 090032006 East Hartford - High Street CT 5.40 132450091 AUGUSTA GA 5.00 090092123 Waterbury CT 5.00 090050005 Cornwall CT 5.00 090011123 Danbury CT 4.90 051430005 SPRNGDLE AR 4.80 061070009 Sequoia/Kings Canyon - Ash Mountain CA 4.80 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 4.60 060639901 Quincy BAM CA 4.60 060571001 Truckee BAM CA 4.50 000065701 Morrisburg ON 4.50 000060303 Kingston ON 4.40 000040302 MONCTON NB 4.40 000020301 WELLINGTON PE 4.40 000020104 CHARLOTTETOWN PE 3.90 080770017 Grand Junction - Powell Building CO 3.90 000065801 Chatham ON 3.90 000065301 Port Stanley ON 3.90 000061004 Sarnia ON 3.90 000060903 London ON 3.70 000090601 Fort Saskatchewan AB 3.70 000090130 Edmonton Central AB 3.70 000090121 Edmonton East AB 3.70 000090120 Edmonton South AB 3.70 000065401 Belleville ON 3.70 000061104 Peterborough ON 3.60 081230006 Greeley Hospital CO 3.60 080350004 Chatfield Park - 11500 N. Roxborough Par CO 3.60 080310025 Denver Animal Shelter - 678 S. Jason St. CO 3.60 080310013 Denver - NJH - 14th Ave. & Albion St. CO 3.60 080310002 Denver - CAMP - 2105 Broadway CO 3.60 080131001 Boulder - CU - 2102 Athens St. CO 3.60 080130003 Longmont CO 3.60 080010006 Commerce City - 7101 Birch St. CO 3.50 000100010 Creston PC School BC 3.40 000061201 Cornwall ON 3.40 000054501 L'Assomption QC 3.40 000054401 Saint-Anicet QC 3.40 000052301 Saint-Faustin QC 3.30 040191113 Geronimo AZ 3.30 040191032 Rose Elementary AZ 3.30 040191030 Green Valley AZ 3.20 000100059 Grand Forks City Hall BC 3.20 000054703 Bécancour (Aréna) QC 3.20 000051501 Zéphirin QC 3.20 000050801 Ursulines QC 2.90 000065001 Barrie ON 2.90 000061502 Kitchener ON 2.90 000061402 Brantford ON 2.90 000061302 St. Catharines ON 2.90 000060512 Hamilton Downtown ON 2.90 000060424 Toronto Downtown ON 2.90 000040209 CASTLE ST. SAINT JO NB 2.90 000040207 SAINT JOHN WEST NB 2.90 000040203 FOREST HILLS NB 2.90 000040103 FREDERICTON NB 2.80 080410017 Colorado College CO 2.80 000060204 Windsor Downtown ON 2.70 000091101 Elk Island AB 2.30 000094301 Cold Lake South AB 2.20 000091901 Caroline AB 2.20 000090302 Red Deer AB 2.20 000090227 Calgary Central AB 2.20 000090222 Calgary Northwest AB 2.20 000090218 Calgary East AB 2.00 150012017 Mountain View HI 2.00 150012016 Pahala HI 2.00 150011012 Kona HI 2.00 150011006 Hilo HI 2.00 000041302 BATHURST NB 2.00 000040901 ST ANDREWS NB 2.00 000040801 CANTERBURY NB 1.80 000060104 Ottawa ON 1.70 000090502 Lethbridge AB 1.60 060271023 Bishop Paiute Tribe-CA CA 1.30 000063701 Grand Bend ON 1.30 000063301 Dorset ON 1.30 000062501 Tiverton ON 1.20 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 1.20 150031001 Honolulu HI 1.20 150030010 Kapolei HI 1.20 000065201 Parry Sound ON 1.20 000062001 North Bay ON 1.20 000060609 Sudbury ON 1.10 000060709 Sault Ste Marie ON AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)