Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.64 150031001 Honolulu HI 0.62 120470015 White Springs FL 0.59 132150008 Columbus Airport GA 0.59 000065801 Chatham ON 0.59 000054401 Saint-Anicet QC 0.57 120013011 Payne's Prarie FL 0.56 000061004 Sarnia ON 0.55 150030010 Kapolei HI 0.54 110010043 McMillan Reservoir DC 0.52 090050004 Thomaston CT 0.51 010730023 NO. BHAM AL 0.51 000060903 London ON #coincidences 10-30 and Corr > 0.5 0.59 120571065 gandy FL Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences >30 and Corr > 0.5 0.81 132150008 Columbus Airport GA 0.79 061112002 Simi Valley - Cochran Street CA 0.79 000065801 Chatham ON 0.79 000061004 Sarnia ON 0.76 061111004 Ojai - Ojai Ave. CA 0.75 130210012 Macon GA 0.75 061113001 El Rio - Rio Mesa School #2 CA 0.72 011011002 MONTG AL 0.71 040191030 Green Valley AZ 0.70 120210004 Laurel Oaks Elementary FL 0.70 000054401 Saint-Anicet QC 0.69 000060512 Hamilton Downtown ON 0.68 131530001 Warner Robins GA 0.66 120230002 Lake City FL 0.66 000065301 Port Stanley ON 0.64 110010043 McMillan Reservoir DC 0.63 120013011 Payne's Prarie FL 0.63 000061402 Brantford ON 0.62 010732006 HOOVER AL 0.62 000060903 London ON 0.61 090050005 Cornwall CT 0.61 060670011 Elk Grove CA 0.60 060571001 Truckee BAM CA 0.60 040191032 Rose Elementary AZ 0.59 131390003 Gainesville GA 0.58 060890007 Anderson CA 0.58 010732003 WYLAM AL 0.57 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 0.57 051390006 El Dorado AR 0.56 130511002 Savannah L&A GA 0.56 000061302 St. Catharines ON 0.55 132450091 AUGUSTA GA 0.55 121130015 Woodlawn FL 0.55 060710005 Lake Gregory - Crestline CA 0.55 000065001 Barrie ON 0.54 090050004 Thomaston CT 0.54 060731010 San Diego - Beardsley Street CA 0.54 060711004 Upland CA 0.54 010735002 PINSON AL 0.54 010731009 PROVIDENCE AL 0.52 121035002 John A. Chesnut Sr. Park FL 0.52 060070002 Chico - Manzanita CA 0.52 051190007 PARR AR 0.51 150012016 Pahala HI 0.51 120730012 Tallahassee Community College FL 0.51 090092123 Waterbury CT 0.51 090090027 New Haven - Criscuolo Park CT 0.51 090032006 East Hartford - High Street CT 0.51 040130019 West Phoenix AZ 0.50 051430005 SPRNGDLE AR 0.50 040139998 Vehicle Emissions Laboratory AZ #coincidences 10-30 and Corr > 0.5 0.90 150031001 Honolulu HI 0.81 150030010 Kapolei HI 0.70 000091901 Caroline AB 0.68 120470015 White Springs FL 0.62 000040901 ST ANDREWS NB Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 16.20 061111004 Ojai - Ojai Ave. CA 15.90 061113001 El Rio - Rio Mesa School #2 CA 15.50 060832004 Lompoc H Street CA 13.70 060830011 Santa Barbara CA 10.70 040130019 West Phoenix AZ 9.90 060670011 Elk Grove CA 9.20 040191034 Coachline AZ 8.40 040138005 Estrella AZ 8.30 060959999 Rio Vista CA 7.90 060731008 Camp Pendleton CA 7.60 060374002 North Long Beach CA 7.40 040139998 Vehicle Emissions Laboratory AZ 6.80 040134003 South Phoenix AZ 6.70 040134010 Dysart AZ 6.50 060731002 Escondido CA 6.10 061110007 Thousand Oaks - Moorpark Road CA 6.10 060731010 San Diego - Beardsley Street CA 5.90 061130004 Davis CA 5.80 060550003 Napa - Jefferson St CA 5.60 060850005 San Jose - Jackson St. CA 5.10 061131003 Woodland CA 5.10 060953002 Vacaville CA 4.90 060010007 Livermore - Rincon CA 4.90 000030310 SYDNEY NS 4.00 060012004 Berkeley CA 3.30 060950004 Vallejo - 304 Tuolumne Street CA 3.30 060010011 Oakland West CA 3.10 100032004 MLK DE 2.10 060670006 Sacramento - Del Paso Manor CA 1.70 060639901 Quincy BAM CA 1.20 060710005 Lake Gregory - Crestline CA 1.00 061110009 Piru - Pacific CA 0.50 060792004 Mesa 2 /Nipomo CA 0.50 060271023 Bishop Paiute Tribe-CA CA 0.50 000020301 WELLINGTON PE #coincidences 10-30 and Corr > 0.5 4.40 000020401 SOUTHAMPTON PE 3.90 150030010 Kapolei HI 2.30 080770017 Grand Junction - Powell Building CO 2.10 150031001 Honolulu HI Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 16.20 061113001 El Rio - Rio Mesa School #2 CA 16.20 061111004 Ojai - Ojai Ave. CA 14.80 060832004 Lompoc H Street CA 12.80 060830011 Santa Barbara CA 9.70 060670011 Elk Grove CA 9.20 060670012 Folsom CA 9.00 060959999 Rio Vista CA 8.80 060010007 Livermore - Rincon CA 8.00 060798001 Atascadero CA 7.90 060670010 Sacramento - T Street CA 7.90 060670006 Sacramento - Del Paso Manor CA 7.80 060410003 Point Reyes CA 7.30 061110007 Thousand Oaks - Moorpark Road CA 7.00 061130004 Davis CA 7.00 060550003 Napa - Jefferson St CA 7.00 060374002 North Long Beach CA 6.90 060953002 Vacaville CA 6.50 060731008 Camp Pendleton CA 6.50 040130019 West Phoenix AZ 6.20 060710005 Lake Gregory - Crestline CA 6.10 060731010 San Diego - Beardsley Street CA 6.00 061131003 Woodland CA 6.00 060850005 San Jose - Jackson St. CA 5.90 060012004 Berkeley CA 5.70 060731002 Escondido CA 5.50 060950004 Vallejo - 304 Tuolumne Street CA 5.50 040191034 Coachline AZ 5.20 060610006 Roseville - N.Sunrise/Douglas CA 4.80 040134003 South Phoenix AZ 4.40 040138005 Estrella AZ 4.10 060792004 Mesa 2 /Nipomo CA 3.90 060590007 Anaheim CA 3.80 000030310 SYDNEY NS 3.70 040139998 Vehicle Emissions Laboratory AZ 3.50 060010011 Oakland West CA 3.20 040134010 Dysart AZ 2.60 060371201 Reseda CA 2.20 061072002 Visalia - N. Church Street CA 2.20 040139812 Durango AZ 2.10 061112002 Simi Valley - Cochran Street CA 2.10 060271023 Bishop Paiute Tribe-CA CA 2.00 060190008 Fresno - 1st Street CA 1.90 061110009 Piru - Pacific CA 1.80 150011006 Hilo HI 1.80 060290014 Bakersfield - 5558 California Ave CA 1.30 060890007 Anderson CA 1.30 060639901 Quincy BAM CA 1.20 150012017 Mountain View HI 1.10 100032004 MLK DE 0.90 000010301 Cornerbrook NF 0.80 060371103 Los Angeles - N. Main Street CA 0.80 040191030 Green Valley AZ 0.70 000020301 WELLINGTON PE 0.50 060651003 Riverside - Magnolia CA 0.50 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA #coincidences 10-30 and Corr > 0.5 4.70 000020401 SOUTHAMPTON PE 1.60 150030010 Kapolei HI 1.40 080770017 Grand Junction - Powell Building CO 1.30 150031001 Honolulu HI 0.70 000040901 ST ANDREWS NB Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 237.20 060990005 Modesto - 14th Street CA 133.80 060431001 Yosemite Village - Visitor Center CA 64.00 010331002 MSHOALS AL 59.10 060250005 Calexico - Ethel Street CA 53.80 060290014 Bakersfield - 5558 California Ave CA 47.00 061010003 Yuba City CA 45.90 090050005 Cornwall CT 45.60 132950002 Rossville GA 43.30 060670012 Folsom CA 43.00 060310004 Corcoran CA 41.30 080310002 Denver - CAMP - 2105 Broadway CO 40.00 060711004 Upland CA 38.50 060658001 Riverside - Rubidoux CA 36.70 060798001 Atascadero CA 34.80 060610006 Roseville - N.Sunrise/Douglas CA 34.70 060670010 Sacramento - T Street CA 33.60 060651003 Riverside - Magnolia CA 33.20 060370016 Glendora - Laurel CA 31.00 060410003 Point Reyes CA 31.00 010030010 FAIRHOPE AL 29.50 060371103 Los Angeles - N. Main Street CA 27.20 000054501 L'Assomption QC 26.20 060659001 Lake Elsinore - W. Flint Street CA 26.20 060376012 Santa Clarita CA 25.90 060650012 Banning - South Hathaway Street CA 25.60 060190008 Fresno - 1st Street CA 25.40 090090027 New Haven - Criscuolo Park CT 24.90 060371002 Burbank - W. Palm Ave CA 24.60 000061004 Sarnia ON 24.50 000061502 Kitchener ON 23.40 000060303 Kingston ON 23.30 000040801 CANTERBURY NB 23.20 131390003 Gainesville GA 22.90 090092123 Waterbury CT 21.60 090032006 East Hartford - High Street CT 21.60 060371201 Reseda CA 21.40 090011123 Danbury CT 21.20 061112002 Simi Valley - Cochran Street CA 21.00 000060204 Windsor Downtown ON 20.90 150011012 Kona HI 20.90 060730003 El Cajon - Redwood Ave CA 20.80 060731006 Alpine CA 20.80 060590007 Anaheim CA 20.70 000061402 Brantford ON 20.50 000061302 St. Catharines ON 20.00 000060903 London ON 19.80 130890002 South Dekalb GA 19.60 000060512 Hamilton Downtown ON 19.50 061110009 Piru - Pacific CA 19.40 060710005 Lake Gregory - Crestline CA 19.20 061070009 Sequoia/Kings Canyon - Ash Mountain CA 19.00 010732003 WYLAM AL 18.90 000065301 Port Stanley ON 18.80 000061201 Cornwall ON 18.70 000063701 Grand Bend ON 18.50 000065801 Chatham ON 18.20 130770002 NEWNAN GA 18.20 000060424 Toronto Downtown ON 18.10 000040203 FOREST HILLS NB 18.00 000065701 Morrisburg ON 17.90 000061104 Peterborough ON 17.70 090110124 Groton Fort Griswold CT 17.70 010731010 LEEDS AL 17.60 051191008 ADEQ-DSR AR 17.40 131530001 Warner Robins GA 17.30 000065001 Barrie ON 17.20 080350004 Chatfield Park - 11500 N. Roxborough Par CO 17.20 040139812 Durango AZ 17.00 000054703 Bécancour (Aréna) QC 16.90 010730023 NO. BHAM AL 16.50 000065401 Belleville ON 16.40 061072002 Visalia - N. Church Street CA 16.40 060074001 Gridley CA 16.40 010735003 CORNER AL 16.30 090050004 Thomaston CT 16.30 050350005 MARION AR 16.30 010731005 MCADORY AL 16.20 051190007 PARR AR 16.20 010735002 PINSON AL 16.20 000060104 Ottawa ON 16.10 132450091 AUGUSTA GA 16.10 060670006 Sacramento - Del Paso Manor CA 16.00 010731009 PROVIDENCE AL 15.90 011011002 MONTG AL 15.80 130590002 Athens FS # 7 GA 15.80 010732006 HOOVER AL 15.40 000090227 Calgary Central AB 15.20 121152002 Jackson Road FL 15.20 120861016 Miami Fire Station #5 FL 15.20 000051501 Zéphirin QC 15.10 132230003 Yorkville GA 15.00 131210055 Confederate Ave GA 15.00 060731002 Escondido CA 14.80 060950004 Vallejo - 304 Tuolumne Street CA 14.70 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 14.70 131850003 Valdosta GA 14.70 000041302 BATHURST NB 14.60 060792004 Mesa 2 /Nipomo CA 14.40 131350002 Gwinnett Tech GA 14.40 061110007 Thousand Oaks - Moorpark Road CA 14.40 000054401 Saint-Anicet QC 14.30 060012004 Berkeley CA 14.30 060010011 Oakland West CA 14.30 000065201 Parry Sound ON 14.30 000050801 Ursulines QC 14.20 131510002 McDonough GA 14.20 120866001 Homestead Fire Station #16 FL 14.20 051430005 SPRNGDLE AR 14.00 120230002 Lake City FL 14.00 060731010 San Diego - Beardsley Street CA 14.00 000062501 Tiverton ON 13.90 100032004 MLK DE 13.90 000040302 MONCTON NB 13.50 060830011 Santa Barbara CA 13.40 060210002 Willows - E. Laurel Street CA 13.40 000030701 AYLESFORD MOUNTAIN NS 13.30 110010043 McMillan Reservoir DC 13.30 060010007 Livermore - Rincon CA 13.30 000063301 Dorset ON 13.20 060374002 North Long Beach CA 13.10 120990009 Royal Palm Beach FL 13.00 000052301 Saint-Faustin QC 12.90 080310013 Denver - NJH - 14th Ave. & Albion St. CO 12.90 040191113 Geronimo AZ 12.80 051390006 El Dorado AR 12.70 060731008 Camp Pendleton CA 12.60 060850005 San Jose - Jackson St. CA 12.60 060550003 Napa - Jefferson St CA 12.60 000090302 Red Deer AB 12.60 000020104 CHARLOTTETOWN PE 12.40 061131003 Woodland CA 12.40 060953002 Vacaville CA 12.30 121030018 Azalea FL 12.30 061130004 Davis CA 12.20 130511002 Savannah L&A GA 12.00 120952002 Lake Isle Estates FL 11.80 060271023 Bishop Paiute Tribe-CA CA 11.80 060070002 Chico - Manzanita CA 11.60 130210012 Macon GA 11.60 120210004 Laurel Oaks Elementary FL 11.60 000040207 SAINT JOHN WEST NB 11.30 132150008 Columbus Airport GA 11.30 080310025 Denver Animal Shelter - 678 S. Jason St. CO 11.20 120310077 Sheffield Elementary School FL 11.20 000090121 Edmonton East AB 11.10 000090222 Calgary Northwest AB 11.00 121035002 John A. Chesnut Sr. Park FL 11.00 120830003 YMC FL 11.00 120730012 Tallahassee Community College FL 11.00 000090120 Edmonton South AB 11.00 000040209 CASTLE ST. SAINT JO NB 10.90 060832004 Lompoc H Street CA 10.90 000010301 Cornerbrook NF 10.80 121275002 Blind Services; 1185-A Dunn Ave FL 10.80 000040103 FREDERICTON NB 10.70 150012016 Pahala HI 10.70 120570030 PCEIA3 FL 10.60 120050006 St. Andrews Park FL 10.50 121130015 Woodlawn FL 10.50 061113001 El Rio - Rio Mesa School #2 CA 10.50 000060709 Sault Ste Marie ON 10.40 081230006 Greeley Hospital CO 10.30 120330004 Ellyson Industrial Park FL 10.30 000062001 North Bay ON 10.20 061111004 Ojai - Ojai Ave. CA 10.20 000030310 SYDNEY NS 10.00 120590004 Bonifay FL 9.90 120090011 Fay Park FL 9.60 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 9.50 121056006 Fl. Baptist Children's Home FL 9.40 060959999 Rio Vista CA 9.40 000060609 Sudbury ON 9.30 120013011 Payne's Prarie FL 9.20 060670011 Elk Grove CA 9.10 000020301 WELLINGTON PE 9.00 040191030 Green Valley AZ 8.90 120310100 Mayo Clinic FL 8.90 000100059 Grand Forks City Hall BC 8.90 000090218 Calgary East AB 8.70 120573002 SYDNEY FL 8.60 080131001 Boulder - CU - 2102 Athens St. CO 8.50 120090007 Melbourne FL 8.50 040191032 Rose Elementary AZ 8.40 080010006 Commerce City - 7101 Birch St. CO 8.30 060890007 Anderson CA 8.10 120310098 Mandarin FL 7.80 000090502 Lethbridge AB 7.50 000090130 Edmonton Central AB 7.30 000094301 Cold Lake South AB 6.90 150011006 Hilo HI 6.90 040134003 South Phoenix AZ 6.80 150012017 Mountain View HI 6.80 080130003 Longmont CO 6.80 040134010 Dysart AZ 6.60 060571001 Truckee BAM CA 6.50 040130019 West Phoenix AZ 6.30 040191034 Coachline AZ 6.10 040139998 Vehicle Emissions Laboratory AZ 5.70 000100010 Creston PC School BC 5.10 040138005 Estrella AZ 4.30 060639901 Quincy BAM CA #coincidences 10-30 and Corr > 0.5 26.00 080410017 Colorado College CO 13.40 120571065 gandy FL 12.00 120470015 White Springs FL 11.40 000020401 SOUTHAMPTON PE 11.20 000091901 Caroline AB 9.50 120710005 Winkler Pump Station FL 9.50 000040901 ST ANDREWS NB 9.40 121150013 Bee Ridge FL 7.60 060570005 Grass Valley CA 6.90 000090601 Fort Saskatchewan AB 6.00 080770017 Grand Junction - Powell Building CO 5.80 000091101 Elk Island AB 4.90 150030010 Kapolei HI 4.40 150031001 Honolulu HI Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 28.10 000030310 SYDNEY NS 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 19.60 000020401 SOUTHAMPTON PE 18.20 061131003 Woodland CA 18.20 061130004 Davis CA 18.20 060959999 Rio Vista CA 18.20 060953002 Vacaville CA 18.20 060950004 Vallejo - 304 Tuolumne Street CA 18.20 060850005 San Jose - Jackson St. CA 18.20 060670012 Folsom CA 18.20 060670011 Elk Grove CA 18.20 060670010 Sacramento - T Street CA 18.20 060670006 Sacramento - Del Paso Manor CA 18.20 060610006 Roseville - N.Sunrise/Douglas CA 18.20 060550003 Napa - Jefferson St CA 18.20 060410003 Point Reyes CA 18.20 060012004 Berkeley CA 18.20 060010011 Oakland West CA 18.20 060010007 Livermore - Rincon CA 18.10 060731010 San Diego - Beardsley Street CA 17.40 061010003 Yuba City CA 17.40 060890007 Anderson CA 17.40 060570005 Grass Valley CA 17.40 060210002 Willows - E. Laurel Street CA 17.40 060074001 Gridley CA 17.40 060070002 Chico - Manzanita CA 13.70 000010301 Cornerbrook NF 11.00 000010401 Mount Pearl NF 10.60 131510002 McDonough GA 10.60 131390003 Gainesville GA 10.60 131350002 Gwinnett Tech GA 10.60 131210055 Confederate Ave GA 10.60 130890002 South Dekalb GA 10.60 130770002 NEWNAN GA 10.60 130590002 Athens FS # 7 GA 10.60 061112002 Simi Valley - Cochran Street CA 10.60 061110009 Piru - Pacific CA 10.60 061110007 Thousand Oaks - Moorpark Road CA 10.60 060731008 Camp Pendleton CA 10.60 060731002 Escondido CA 10.60 060711004 Upland CA 10.60 060710005 Lake Gregory - Crestline CA 10.60 060659001 Lake Elsinore - W. Flint Street CA 10.60 060658001 Riverside - Rubidoux CA 10.60 060651003 Riverside - Magnolia CA 10.60 060590007 Anaheim CA 10.60 060376012 Santa Clarita CA 10.60 060374002 North Long Beach CA 10.60 060371201 Reseda CA 10.60 060371103 Los Angeles - N. Main Street CA 10.60 060371002 Burbank - W. Palm Ave CA 10.60 060370016 Glendora - Laurel CA 9.30 060650012 Banning - South Hathaway Street CA 9.20 100032004 MLK DE 8.90 090092123 Waterbury CT 8.90 090050005 Cornwall CT 8.90 090050004 Thomaston CT 8.90 090011123 Danbury CT 8.80 060731006 Alpine CA 8.80 060730003 El Cajon - Redwood Ave CA 8.80 060250005 Calexico - Ethel Street CA 8.10 061072002 Visalia - N. Church Street CA 8.10 060798001 Atascadero CA 8.10 060792004 Mesa 2 /Nipomo CA 8.10 060310004 Corcoran CA 8.10 060290014 Bakersfield - 5558 California Ave CA 8.10 060190008 Fresno - 1st Street CA 8.10 010731009 PROVIDENCE AL 8.10 010731005 MCADORY AL 8.10 010331002 MSHOALS AL 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 6.60 060639901 Quincy BAM CA 6.60 060571001 Truckee BAM CA 6.60 000065001 Barrie ON 6.60 000061502 Kitchener ON 6.60 000061402 Brantford ON 6.60 000061302 St. Catharines ON 6.60 000060512 Hamilton Downtown ON 6.60 000060424 Toronto Downtown ON 5.90 050350005 MARION AR 5.90 000040901 ST ANDREWS NB 5.90 000040801 CANTERBURY NB 5.30 000040209 CASTLE ST. SAINT JO NB 5.30 000040207 SAINT JOHN WEST NB 5.30 000040203 FOREST HILLS NB 5.30 000040103 FREDERICTON NB 4.90 081230006 Greeley Hospital CO 4.90 080310025 Denver Animal Shelter - 678 S. Jason St. CO 4.90 080310013 Denver - NJH - 14th Ave. & Albion St. CO 4.90 080310002 Denver - CAMP - 2105 Broadway CO 4.90 080010006 Commerce City - 7101 Birch St. CO 4.90 051430005 SPRNGDLE AR 4.80 131850003 Valdosta GA 4.80 120730012 Tallahassee Community College FL 4.70 051390006 El Dorado AR 4.70 051191008 ADEQ-DSR AR 4.70 051190007 PARR AR 4.70 040191034 Coachline AZ 4.50 060990005 Modesto - 14th Street CA 4.50 060431001 Yosemite Village - Visitor Center CA 4.40 132450091 AUGUSTA GA 4.30 121152002 Jackson Road FL 4.30 121150013 Bee Ridge FL 4.30 121130015 Woodlawn FL 4.30 121056006 Fl. Baptist Children's Home FL 4.30 121035002 John A. Chesnut Sr. Park FL 4.30 121030018 Azalea FL 4.30 120952002 Lake Isle Estates FL 4.30 120573002 SYDNEY FL 4.30 120571065 gandy FL 4.30 120570030 PCEIA3 FL 4.30 120330004 Ellyson Industrial Park FL 4.30 010030010 FAIRHOPE AL 4.30 000060204 Windsor Downtown ON 4.20 080350004 Chatfield Park - 11500 N. Roxborough Par CO 4.20 080131001 Boulder - CU - 2102 Athens St. CO 4.20 080130003 Longmont CO 4.20 000040302 MONCTON NB 4.20 000030701 AYLESFORD MOUNTAIN NS 4.20 000020301 WELLINGTON PE 4.20 000020104 CHARLOTTETOWN PE 4.10 090110124 Groton Fort Griswold CT 4.10 090090027 New Haven - Criscuolo Park CT 4.10 090032006 East Hartford - High Street CT 4.00 000065801 Chatham ON 4.00 000065301 Port Stanley ON 4.00 000061004 Sarnia ON 4.00 000060903 London ON 3.80 061070009 Sequoia/Kings Canyon - Ash Mountain CA 3.80 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 3.70 132150008 Columbus Airport GA 3.70 131530001 Warner Robins GA 3.70 130210012 Macon GA 3.70 011011002 MONTG AL 3.60 120590004 Bonifay FL 3.60 120050006 St. Andrews Park FL 3.60 080770017 Grand Junction - Powell Building CO 3.60 000063701 Grand Bend ON 3.60 000062501 Tiverton ON 3.40 130511002 Savannah L&A GA 3.40 121275002 Blind Services; 1185-A Dunn Ave FL 3.40 120830003 YMC FL 3.40 120470015 White Springs FL 3.40 120310100 Mayo Clinic FL 3.40 120310098 Mandarin FL 3.40 120310077 Sheffield Elementary School FL 3.40 120230002 Lake City FL 3.40 120013011 Payne's Prarie FL 3.20 120090011 Fay Park FL 3.20 120090007 Melbourne FL 3.10 040139998 Vehicle Emissions Laboratory AZ 3.10 040139812 Durango AZ 3.10 040138005 Estrella AZ 3.10 040134010 Dysart AZ 3.10 040134003 South Phoenix AZ 3.10 040130019 West Phoenix AZ 2.90 060271023 Bishop Paiute Tribe-CA CA 2.90 000063301 Dorset ON 2.80 000065401 Belleville ON 2.80 000061104 Peterborough ON 2.60 150031001 Honolulu HI 2.60 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 2.60 150030010 Kapolei HI 2.60 110010043 McMillan Reservoir DC 2.60 000091901 Caroline AB 2.60 000090302 Red Deer AB 2.60 000090227 Calgary Central AB 2.60 000090222 Calgary Northwest AB 2.60 000090218 Calgary East AB 2.60 000065701 Morrisburg ON 2.60 000060303 Kingston ON 2.50 000100059 Grand Forks City Hall BC 2.40 150012017 Mountain View HI 2.40 150012016 Pahala HI 2.40 150011012 Kona HI 2.40 150011006 Hilo HI 2.40 000061201 Cornwall ON 2.40 000054501 L'Assomption QC 2.40 000054401 Saint-Anicet QC 2.40 000052301 Saint-Faustin QC 2.30 000041302 BATHURST NB 2.20 000065201 Parry Sound ON 2.20 000062001 North Bay ON 2.20 000060609 Sudbury ON 2.00 120990009 Royal Palm Beach FL 2.00 120866001 Homestead Fire Station #16 FL 2.00 120861016 Miami Fire Station #5 FL 2.00 120111002 DAVIE FL 2.00 000054703 Bécancour (Aréna) QC 2.00 000051501 Zéphirin QC 2.00 000050801 Ursulines QC 1.90 000094301 Cold Lake South AB 1.90 000090601 Fort Saskatchewan AB 1.90 000090130 Edmonton Central AB 1.90 000090121 Edmonton East AB 1.90 000090120 Edmonton South AB 1.70 000060104 Ottawa ON 1.60 000060709 Sault Ste Marie ON 1.50 000091101 Elk Island AB 1.30 080410017 Colorado College CO 1.30 000100010 Creston PC School BC 1.20 120710005 Winkler Pump Station FL 1.20 120210004 Laurel Oaks Elementary FL 1.10 040191113 Geronimo AZ 1.10 040191032 Rose Elementary AZ 1.10 040191030 Green Valley AZ 0.70 000090502 Lethbridge AB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)