Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.76 000040203 FOREST HILLS NB 0.65 010730023 NO. BHAM AL 0.63 010731005 MCADORY AL 0.62 000063701 Grand Bend ON 0.62 000063301 Dorset ON 0.61 130511002 Savannah L&A GA 0.61 120013011 Payne's Prarie FL 0.61 010732003 WYLAM AL 0.60 120573002 SYDNEY FL 0.59 000100010 Creston PC School BC 0.58 051430005 SPRNGDLE AR 0.57 121150013 Bee Ridge FL 0.57 120830003 YMC FL 0.55 121035002 John A. Chesnut Sr. Park FL 0.55 000062501 Tiverton ON 0.53 000062001 North Bay ON 0.52 121056006 Fl. Baptist Children's Home FL 0.51 120310098 Mandarin FL 0.51 120050006 St. Andrews Park FL 0.50 120571065 gandy FL 0.50 120570030 PCEIA3 FL 0.50 000060303 Kingston ON #coincidences 10-30 and Corr > 0.5 0.78 010735003 CORNER AL 0.63 000030701 AYLESFORD MOUNTAIN NS Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences >30 and Corr > 0.5 0.87 132450091 AUGUSTA GA 0.87 000040203 FOREST HILLS NB 0.84 000100010 Creston PC School BC 0.83 051430005 SPRNGDLE AR 0.82 051191008 ADEQ-DSR AR 0.80 121150013 Bee Ridge FL 0.79 121152002 Jackson Road FL 0.79 120573002 SYDNEY FL 0.76 120230002 Lake City FL 0.76 120050006 St. Andrews Park FL 0.75 121056006 Fl. Baptist Children's Home FL 0.75 120013011 Payne's Prarie FL 0.74 120710005 Winkler Pump Station FL 0.74 051390006 El Dorado AR 0.73 121035002 John A. Chesnut Sr. Park FL 0.73 121030018 Azalea FL 0.73 010735002 PINSON AL 0.72 130511002 Savannah L&A GA 0.72 120861016 Miami Fire Station #5 FL 0.72 120830003 YMC FL 0.72 010732003 WYLAM AL 0.70 010731005 MCADORY AL 0.69 120570030 PCEIA3 FL 0.69 060570005 Grass Valley CA 0.68 120571065 gandy FL 0.67 061130004 Davis CA 0.67 010732006 HOOVER AL 0.67 000063701 Grand Bend ON 0.66 120111002 DAVIE FL 0.64 120470015 White Springs FL 0.64 000060104 Ottawa ON 0.63 132230003 Yorkville GA 0.63 080770017 Grand Junction - Powell Building CO 0.63 010731010 LEEDS AL 0.63 010730023 NO. BHAM AL 0.62 000065701 Morrisburg ON 0.62 000041302 BATHURST NB 0.60 120730012 Tallahassee Community College FL 0.59 130770002 NEWNAN GA 0.59 120310098 Mandarin FL 0.58 130890002 South Dekalb GA 0.58 120866001 Homestead Fire Station #16 FL 0.58 000060303 Kingston ON 0.57 131350002 Gwinnett Tech GA 0.57 000054401 Saint-Anicet QC 0.57 000050801 Ursulines QC 0.56 131210055 Confederate Ave GA 0.56 130590002 Athens FS # 7 GA 0.56 120952002 Lake Isle Estates FL 0.55 090090027 New Haven - Criscuolo Park CT 0.54 150031001 Honolulu HI 0.54 131510002 McDonough GA 0.54 090110124 Groton Fort Griswold CT 0.54 010331002 MSHOALS AL 0.53 060190008 Fresno - 1st Street CA 0.52 050350005 MARION AR 0.52 000040901 ST ANDREWS NB 0.52 000040302 MONCTON NB 0.52 000020104 CHARLOTTETOWN PE 0.50 010731009 PROVIDENCE AL 0.50 000065201 Parry Sound ON #coincidences 10-30 and Corr > 0.5 0.96 010735003 CORNER AL 0.78 000091901 Caroline AB 0.75 132950002 Rossville GA 0.65 000063301 Dorset ON 0.62 000062001 North Bay ON 0.57 000062501 Tiverton ON 0.53 000061104 Peterborough ON 0.52 000040103 FREDERICTON NB Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 16.70 000030310 SYDNEY NS 8.20 061111004 Ojai - Ojai Ave. CA 6.70 060670012 Folsom CA 6.70 060670006 Sacramento - Del Paso Manor CA 6.50 061110009 Piru - Pacific CA 6.20 060832004 Lompoc H Street CA 5.80 061110007 Thousand Oaks - Moorpark Road CA 4.70 060659001 Lake Elsinore - W. Flint Street CA 3.90 060550003 Napa - Jefferson St CA 3.70 000040302 MONCTON NB 3.50 000065001 Barrie ON 3.30 060798001 Atascadero CA 3.20 040134003 South Phoenix AZ 3.20 000040901 ST ANDREWS NB 3.10 040139998 Vehicle Emissions Laboratory AZ 2.80 060953002 Vacaville CA 2.70 000060424 Toronto Downtown ON 2.50 061113001 El Rio - Rio Mesa School #2 CA 2.50 060012004 Berkeley CA 2.50 000061302 St. Catharines ON 2.20 040134010 Dysart AZ 2.10 000060512 Hamilton Downtown ON 2.00 040130019 West Phoenix AZ 1.90 061112002 Simi Valley - Cochran Street CA 1.90 000061201 Cornwall ON 1.90 000051501 Zéphirin QC 1.80 000061402 Brantford ON 1.60 000020301 WELLINGTON PE 1.50 060710005 Lake Gregory - Crestline CA 1.50 060670011 Elk Grove CA 1.40 090110124 Groton Fort Griswold CT 1.40 060370016 Glendora - Laurel CA 1.30 000040207 SAINT JOHN WEST NB 1.20 060731002 Escondido CA 1.20 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 1.20 000065401 Belleville ON 0.80 051390006 El Dorado AR 0.60 060010011 Oakland West CA #coincidences 10-30 and Corr > 0.5 15.00 000020401 SOUTHAMPTON PE 9.00 000010401 Mount Pearl NF 3.50 000040209 CASTLE ST. SAINT JO NB 3.00 000040103 FREDERICTON NB 1.70 000060609 Sudbury ON 0.90 000061104 Peterborough ON 0.50 000062001 North Bay ON Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 8.10 000030310 SYDNEY NS 7.30 061111004 Ojai - Ojai Ave. CA 6.90 060670012 Folsom CA 6.50 060670006 Sacramento - Del Paso Manor CA 5.50 060832004 Lompoc H Street CA 5.30 061131003 Woodland CA 5.30 060798001 Atascadero CA 4.90 060550003 Napa - Jefferson St CA 4.60 060012004 Berkeley CA 4.50 060710005 Lake Gregory - Crestline CA 3.80 061110007 Thousand Oaks - Moorpark Road CA 3.60 061113001 El Rio - Rio Mesa School #2 CA 3.50 061110009 Piru - Pacific CA 3.40 061130004 Davis CA 3.30 060959999 Rio Vista CA 3.10 060659001 Lake Elsinore - W. Flint Street CA 3.00 060010011 Oakland West CA 2.70 090011123 Danbury CT 2.70 060670011 Elk Grove CA 2.50 000065001 Barrie ON 2.50 000061201 Cornwall ON 2.40 060953002 Vacaville CA 2.40 051191008 ADEQ-DSR AR 2.20 040134003 South Phoenix AZ 2.10 060731010 San Diego - Beardsley Street CA 2.10 000051501 Zéphirin QC 2.10 000040302 MONCTON NB 1.90 000060424 Toronto Downtown ON 1.90 000040901 ST ANDREWS NB 1.70 051190007 PARR AR 1.70 000065801 Chatham ON 1.70 000065401 Belleville ON 1.50 060830011 Santa Barbara CA 1.40 061112002 Simi Valley - Cochran Street CA 1.40 040139998 Vehicle Emissions Laboratory AZ 1.40 000060512 Hamilton Downtown ON 1.30 150031001 Honolulu HI 1.30 090110124 Groton Fort Griswold CT 1.30 000061402 Brantford ON 1.30 000040207 SAINT JOHN WEST NB 1.20 060850005 San Jose - Jackson St. CA 1.10 090050005 Cornwall CT 1.10 051390006 El Dorado AR 1.10 000061302 St. Catharines ON 1.00 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 1.00 000061502 Kitchener ON 1.00 000060104 Ottawa ON 1.00 000020104 CHARLOTTETOWN PE 0.90 100032004 MLK DE 0.90 040130019 West Phoenix AZ 0.90 000065701 Morrisburg ON 0.90 000060903 London ON 0.80 060731002 Escondido CA 0.80 040134010 Dysart AZ 0.80 000054401 Saint-Anicet QC 0.80 000020301 WELLINGTON PE 0.70 060374002 North Long Beach CA 0.50 000052301 Saint-Faustin QC #coincidences 10-30 and Corr > 0.5 12.30 000010401 Mount Pearl NF 7.90 000020401 SOUTHAMPTON PE 3.10 000040103 FREDERICTON NB 2.60 000040209 CASTLE ST. SAINT JO NB 1.60 000065301 Port Stanley ON 1.00 000061104 Peterborough ON 0.80 000060609 Sudbury ON 0.70 000091901 Caroline AB 0.50 000062501 Tiverton ON Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 311.30 060410003 Point Reyes CA 169.60 060990005 Modesto - 14th Street CA 157.00 061070009 Sequoia/Kings Canyon - Ash Mountain CA 90.00 120310077 Sheffield Elementary School FL 84.50 060431001 Yosemite Village - Visitor Center CA 67.40 060792004 Mesa 2 /Nipomo CA 64.40 090032006 East Hartford - High Street CT 64.40 060890007 Anderson CA 60.30 060651003 Riverside - Magnolia CA 57.00 060830011 Santa Barbara CA 42.50 090050005 Cornwall CT 38.90 060371002 Burbank - W. Palm Ave CA 35.50 051190007 PARR AR 35.10 061130004 Davis CA 31.60 060639901 Quincy BAM CA 29.30 061131003 Woodland CA 28.40 060959999 Rio Vista CA 27.30 060310004 Corcoran CA 26.90 060711004 Upland CA 26.90 060658001 Riverside - Rubidoux CA 26.70 060371201 Reseda CA 25.70 060371103 Los Angeles - N. Main Street CA 25.60 050350005 MARION AR 24.40 060190008 Fresno - 1st Street CA 23.20 000090121 Edmonton East AB 23.10 010730023 NO. BHAM AL 22.90 131390003 Gainesville GA 22.80 060590007 Anaheim CA 22.50 060290014 Bakersfield - 5558 California Ave CA 22.00 010732003 WYLAM AL 21.80 090090027 New Haven - Criscuolo Park CT 21.10 060730003 El Cajon - Redwood Ave CA 20.90 060376012 Santa Clarita CA 20.50 060731010 San Diego - Beardsley Street CA 20.50 040138005 Estrella AZ 20.30 060374002 North Long Beach CA 20.00 010970003 CHICK. AL 19.60 060650012 Banning - South Hathaway Street CA 19.40 060731008 Camp Pendleton CA 19.00 061072002 Visalia - N. Church Street CA 18.50 131850003 Valdosta GA 17.80 130890002 South Dekalb GA 17.50 060370016 Glendora - Laurel CA 17.50 000040203 FOREST HILLS NB 17.30 010731010 LEEDS AL 17.20 131530001 Warner Robins GA 17.20 060731002 Escondido CA 17.10 150011012 Kona HI 17.10 060710005 Lake Gregory - Crestline CA 16.80 130770002 NEWNAN GA 16.70 131510002 McDonough GA 16.70 120470015 White Springs FL 16.50 061112002 Simi Valley - Cochran Street CA 16.40 132150008 Columbus Airport GA 16.30 010732006 HOOVER AL 16.20 100032004 MLK DE 16.10 120730012 Tallahassee Community College FL 16.10 060731006 Alpine CA 16.10 011011002 MONTG AL 16.00 061113001 El Rio - Rio Mesa School #2 CA 15.80 120590004 Bonifay FL 15.70 130590002 Athens FS # 7 GA 15.60 060850005 San Jose - Jackson St. CA 15.40 000090227 Calgary Central AB 15.00 132230003 Yorkville GA 14.80 010731005 MCADORY AL 14.70 131210055 Confederate Ave GA 14.70 061010003 Yuba City CA 14.70 010331002 MSHOALS AL 14.50 120330004 Ellyson Industrial Park FL 14.30 051191008 ADEQ-DSR AR 14.20 130210012 Macon GA 14.10 130511002 Savannah L&A GA 14.10 090092123 Waterbury CT 14.10 060670010 Sacramento - T Street CA 14.10 060250005 Calexico - Ethel Street CA 14.10 010735002 PINSON AL 14.00 000090302 Red Deer AB 13.70 060659001 Lake Elsinore - W. Flint Street CA 13.50 060610006 Roseville - N.Sunrise/Douglas CA 13.40 131350002 Gwinnett Tech GA 13.30 120050006 St. Andrews Park FL 13.20 132450091 AUGUSTA GA 13.20 120230002 Lake City FL 13.10 060010011 Oakland West CA 13.00 120573002 SYDNEY FL 12.90 000061004 Sarnia ON 12.80 121152002 Jackson Road FL 12.80 120210004 Laurel Oaks Elementary FL 12.80 060074001 Gridley CA 12.60 090110124 Groton Fort Griswold CT 12.60 061110007 Thousand Oaks - Moorpark Road CA 12.60 060670011 Elk Grove CA 12.50 080310025 Denver Animal Shelter - 678 S. Jason St. CO 12.40 061110009 Piru - Pacific CA 12.30 060832004 Lompoc H Street CA 12.10 000041302 BATHURST NB 12.00 040191113 Geronimo AZ 12.00 010731009 PROVIDENCE AL 12.00 000061502 Kitchener ON 11.90 051390006 El Dorado AR 11.90 000060204 Windsor Downtown ON 11.80 121035002 John A. Chesnut Sr. Park FL 11.80 120570030 PCEIA3 FL 11.70 121130015 Woodlawn FL 11.70 120571065 gandy FL 11.70 060210002 Willows - E. Laurel Street CA 11.70 060012004 Berkeley CA 11.60 120861016 Miami Fire Station #5 FL 11.50 080410017 Colorado College CO 11.50 000090120 Edmonton South AB 11.40 090011123 Danbury CT 11.30 000090218 Calgary East AB 11.20 080310002 Denver - CAMP - 2105 Broadway CO 11.20 000065801 Chatham ON 11.10 051430005 SPRNGDLE AR 11.10 000063701 Grand Bend ON 11.00 121275002 Blind Services; 1185-A Dunn Ave FL 11.00 060070002 Chico - Manzanita CA 10.90 121030018 Azalea FL 10.90 060953002 Vacaville CA 10.80 121056006 Fl. Baptist Children's Home FL 10.70 120830003 YMC FL 10.70 060571001 Truckee BAM CA 10.60 120090011 Fay Park FL 10.50 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 10.50 080310013 Denver - NJH - 14th Ave. & Albion St. CO 10.30 061111004 Ojai - Ojai Ave. CA 10.10 000040207 SAINT JOHN WEST NB 10.00 150012016 Pahala HI 10.00 120952002 Lake Isle Estates FL 10.00 120866001 Homestead Fire Station #16 FL 10.00 120310098 Mandarin FL 9.90 120310100 Mayo Clinic FL 9.80 120090007 Melbourne FL 9.80 060550003 Napa - Jefferson St CA 9.70 121150013 Bee Ridge FL 9.70 000061402 Brantford ON 9.70 000061302 St. Catharines ON 9.60 080010006 Commerce City - 7101 Birch St. CO 9.50 040139812 Durango AZ 9.50 000060903 London ON 9.50 000060512 Hamilton Downtown ON 9.40 000090130 Edmonton Central AB 9.30 000090601 Fort Saskatchewan AB 9.20 000060303 Kingston ON 9.20 000054501 L'Assomption QC 9.10 000060424 Toronto Downtown ON 9.00 120013011 Payne's Prarie FL 9.00 000052301 Saint-Faustin QC 8.90 040191034 Coachline AZ 8.80 000050801 Ursulines QC 8.50 120111002 DAVIE FL 8.50 060798001 Atascadero CA 8.50 000065001 Barrie ON 8.40 120710005 Winkler Pump Station FL 8.40 000090222 Calgary Northwest AB 8.20 081230006 Greeley Hospital CO 8.20 000054401 Saint-Anicet QC 8.20 000020104 CHARLOTTETOWN PE 8.00 000054703 Bécancour (Aréna) QC 7.70 150011006 Hilo HI 7.70 060670012 Folsom CA 7.70 040134010 Dysart AZ 7.60 040130019 West Phoenix AZ 7.60 000100059 Grand Forks City Hall BC 7.50 080131001 Boulder - CU - 2102 Athens St. CO 7.50 080130003 Longmont CO 7.50 060670006 Sacramento - Del Paso Manor CA 7.50 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 7.50 000030310 SYDNEY NS 6.80 060570005 Grass Valley CA 6.80 040139998 Vehicle Emissions Laboratory AZ 6.70 000020301 WELLINGTON PE 6.60 000065701 Morrisburg ON 6.50 120990009 Royal Palm Beach FL 6.50 000094301 Cold Lake South AB 6.50 000065401 Belleville ON 6.50 000065201 Parry Sound ON 6.40 060271023 Bishop Paiute Tribe-CA CA 6.40 040134003 South Phoenix AZ 6.40 000040302 MONCTON NB 6.30 000061201 Cornwall ON 6.30 000040901 ST ANDREWS NB 6.20 080770017 Grand Junction - Powell Building CO 6.10 000100010 Creston PC School BC 5.60 040191032 Rose Elementary AZ 5.10 000060104 Ottawa ON 4.70 040191030 Green Valley AZ 4.40 000051501 Zéphirin QC 4.20 150031001 Honolulu HI 3.80 000091101 Elk Island AB #coincidences 10-30 and Corr > 0.5 21.00 000090502 Lethbridge AB 18.90 080350004 Chatfield Park - 11500 N. Roxborough Par CO 18.10 132950002 Rossville GA 14.60 010735003 CORNER AL 11.70 000062501 Tiverton ON 11.30 000065301 Port Stanley ON 9.80 110010043 McMillan Reservoir DC 9.80 000040209 CASTLE ST. SAINT JO NB 7.80 150012017 Mountain View HI 7.20 000063301 Dorset ON 6.80 000061104 Peterborough ON 6.80 000010401 Mount Pearl NF 5.70 000062001 North Bay ON 4.80 000060609 Sudbury ON 4.60 000020401 SOUTHAMPTON PE 4.40 000060709 Sault Ste Marie ON 4.20 000091901 Caroline AB 4.00 000040103 FREDERICTON NB Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 19.60 061113001 El Rio - Rio Mesa School #2 CA 19.60 061111004 Ojai - Ojai Ave. CA 19.60 060832004 Lompoc H Street CA 19.60 060830011 Santa Barbara CA 15.10 132150008 Columbus Airport GA 15.10 131530001 Warner Robins GA 15.10 130210012 Macon GA 15.10 060731010 San Diego - Beardsley Street CA 14.40 100032004 MLK DE 12.40 090110124 Groton Fort Griswold CT 12.40 090090027 New Haven - Criscuolo Park CT 12.40 090032006 East Hartford - High Street CT 12.20 051390006 El Dorado AR 12.20 051191008 ADEQ-DSR AR 12.20 051190007 PARR AR 11.60 120590004 Bonifay FL 11.60 120050006 St. Andrews Park FL 11.20 120090011 Fay Park FL 11.20 120090007 Melbourne FL 11.10 131850003 Valdosta GA 11.10 120730012 Tallahassee Community College FL 11.00 061112002 Simi Valley - Cochran Street CA 11.00 061110009 Piru - Pacific CA 11.00 061110007 Thousand Oaks - Moorpark Road CA 11.00 060731008 Camp Pendleton CA 11.00 060731002 Escondido CA 11.00 060711004 Upland CA 11.00 060710005 Lake Gregory - Crestline CA 11.00 060659001 Lake Elsinore - W. Flint Street CA 11.00 060658001 Riverside - Rubidoux CA 11.00 060651003 Riverside - Magnolia CA 11.00 060590007 Anaheim CA 11.00 060376012 Santa Clarita CA 11.00 060374002 North Long Beach CA 11.00 060371201 Reseda CA 11.00 060371103 Los Angeles - N. Main Street CA 11.00 060371002 Burbank - W. Palm Ave CA 11.00 060370016 Glendora - Laurel CA 10.90 011011002 MONTG AL 10.70 120710005 Winkler Pump Station FL 10.70 120210004 Laurel Oaks Elementary FL 10.50 121130015 Woodlawn FL 10.50 120330004 Ellyson Industrial Park FL 10.50 050350005 MARION AR 10.50 010970003 CHICK. AL 10.10 131510002 McDonough GA 10.10 131390003 Gainesville GA 10.10 131350002 Gwinnett Tech GA 10.10 131210055 Confederate Ave GA 10.10 130890002 South Dekalb GA 10.10 130770002 NEWNAN GA 10.10 130590002 Athens FS # 7 GA 9.00 130511002 Savannah L&A GA 8.80 121152002 Jackson Road FL 8.80 121150013 Bee Ridge FL 8.80 121056006 Fl. Baptist Children's Home FL 8.80 121035002 John A. Chesnut Sr. Park FL 8.80 121030018 Azalea FL 8.80 120952002 Lake Isle Estates FL 8.80 120573002 SYDNEY FL 8.80 120571065 gandy FL 8.80 120570030 PCEIA3 FL 8.60 121275002 Blind Services; 1185-A Dunn Ave FL 8.60 120830003 YMC FL 8.60 120470015 White Springs FL 8.60 120310100 Mayo Clinic FL 8.60 120310098 Mandarin FL 8.60 120310077 Sheffield Elementary School FL 8.60 120230002 Lake City FL 8.60 120013011 Payne's Prarie FL 8.50 060650012 Banning - South Hathaway Street CA 8.10 090092123 Waterbury CT 8.10 090050005 Cornwall CT 8.10 090011123 Danbury CT 7.90 132950002 Rossville GA 7.90 132230003 Yorkville GA 7.90 010735003 CORNER AL 7.90 010735002 PINSON AL 7.90 010732006 HOOVER AL 7.90 010732003 WYLAM AL 7.90 010731010 LEEDS AL 7.90 010730023 NO. BHAM AL 7.60 010731009 PROVIDENCE AL 7.60 010731005 MCADORY AL 7.60 010331002 MSHOALS AL 7.40 132450091 AUGUSTA GA 7.10 150012017 Mountain View HI 7.10 150012016 Pahala HI 7.10 150011012 Kona HI 7.10 150011006 Hilo HI 6.90 110010043 McMillan Reservoir DC 6.60 120990009 Royal Palm Beach FL 6.60 120866001 Homestead Fire Station #16 FL 6.60 120861016 Miami Fire Station #5 FL 6.60 120111002 DAVIE FL 6.50 060731006 Alpine CA 6.50 060730003 El Cajon - Redwood Ave CA 6.50 060250005 Calexico - Ethel Street CA 6.10 000030310 SYDNEY NS 5.70 061131003 Woodland CA 5.70 061130004 Davis CA 5.70 060959999 Rio Vista CA 5.70 060953002 Vacaville CA 5.70 060850005 San Jose - Jackson St. CA 5.70 060670012 Folsom CA 5.70 060670011 Elk Grove CA 5.70 060670010 Sacramento - T Street CA 5.70 060670006 Sacramento - Del Paso Manor CA 5.70 060610006 Roseville - N.Sunrise/Douglas CA 5.70 060550003 Napa - Jefferson St CA 5.70 060410003 Point Reyes CA 5.70 060012004 Berkeley CA 5.70 060010011 Oakland West CA 5.60 000065001 Barrie ON 5.60 000061502 Kitchener ON 5.60 000061402 Brantford ON 5.60 000061302 St. Catharines ON 5.60 000060512 Hamilton Downtown ON 5.60 000060424 Toronto Downtown ON 5.10 000010401 Mount Pearl NF 5.00 061072002 Visalia - N. Church Street CA 5.00 060798001 Atascadero CA 5.00 060792004 Mesa 2 /Nipomo CA 5.00 060310004 Corcoran CA 5.00 060290014 Bakersfield - 5558 California Ave CA 5.00 060190008 Fresno - 1st Street CA 5.00 000061201 Cornwall ON 5.00 000054501 L'Assomption QC 5.00 000054401 Saint-Anicet QC 5.00 000052301 Saint-Faustin QC 4.70 000065801 Chatham ON 4.70 000065301 Port Stanley ON 4.70 000061004 Sarnia ON 4.70 000060903 London ON 4.50 000020401 SOUTHAMPTON PE 4.40 051430005 SPRNGDLE AR 4.30 000060204 Windsor Downtown ON 4.10 000054703 Bécancour (Aréna) QC 4.10 000051501 Zéphirin QC 4.10 000050801 Ursulines QC 4.00 040191034 Coachline AZ 3.80 000065701 Morrisburg ON 3.80 000060303 Kingston ON 3.60 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 3.60 150031001 Honolulu HI 3.60 150030010 Kapolei HI 3.40 000065401 Belleville ON 3.40 000061104 Peterborough ON 3.20 000063701 Grand Bend ON 3.20 000062501 Tiverton ON 3.10 000060104 Ottawa ON 3.10 000041302 BATHURST NB 2.90 060639901 Quincy BAM CA 2.90 060571001 Truckee BAM CA 2.80 000065201 Parry Sound ON 2.80 000062001 North Bay ON 2.80 000060609 Sudbury 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 000060709 Sault Ste Marie ON 2.50 060990005 Modesto - 14th Street CA 2.50 060431001 Yosemite Village - Visitor Center CA 2.50 040139998 Vehicle Emissions Laboratory AZ 2.50 040139812 Durango AZ 2.50 040138005 Estrella AZ 2.50 040134010 Dysart AZ 2.50 040134003 South Phoenix AZ 2.50 040130019 West Phoenix AZ 2.40 000063301 Dorset ON 2.20 000040302 MONCTON NB 2.20 000030701 AYLESFORD MOUNTAIN NS 2.20 000020301 WELLINGTON PE 2.20 000020104 CHARLOTTETOWN PE 2.10 061070009 Sequoia/Kings Canyon - Ash Mountain CA 2.10 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 2.00 081230006 Greeley Hospital CO 2.00 080310025 Denver Animal Shelter - 678 S. Jason St. CO 2.00 080310013 Denver - NJH - 14th Ave. & Albion St. CO 2.00 080310002 Denver - CAMP - 2105 Broadway CO 2.00 080010006 Commerce City - 7101 Birch St. CO 1.90 060271023 Bishop Paiute Tribe-CA CA 1.90 000100059 Grand Forks City Hall BC 1.80 000100010 Creston PC School BC 1.80 000090502 Lethbridge AB 1.80 000040901 ST ANDREWS NB 1.80 000040801 CANTERBURY NB 1.80 000040209 CASTLE ST. SAINT JO NB 1.80 000040207 SAINT JOHN WEST NB 1.80 000040203 FOREST HILLS NB 1.80 000040103 FREDERICTON NB 1.20 000094301 Cold Lake South AB 1.10 080410017 Colorado College CO 1.00 040191113 Geronimo AZ 1.00 040191032 Rose Elementary AZ 1.00 040191030 Green Valley AZ 1.00 000091901 Caroline AB 1.00 000091101 Elk Island AB 1.00 000090302 Red Deer AB 1.00 000090227 Calgary Central AB 1.00 000090222 Calgary Northwest AB 1.00 000090218 Calgary East AB 0.90 080770017 Grand Junction - Powell Building CO 0.90 080350004 Chatfield Park - 11500 N. Roxborough Par CO 0.90 080131001 Boulder - CU - 2102 Athens St. CO 0.90 080130003 Longmont CO 0.80 000090601 Fort Saskatchewan AB 0.80 000090130 Edmonton Central AB 0.80 000090121 Edmonton East AB 0.80 000090120 Edmonton South AB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)