Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.66 131390003 Gainesville GA 0.57 132450091 AUGUSTA GA 0.57 132150008 Columbus Airport GA 0.56 130890002 South Dekalb GA 0.53 130511002 Savannah L&A GA 0.53 061111004 Ojai - Ojai Ave. CA 0.51 000062001 North Bay ON 0.50 120330004 Ellyson Industrial Park FL 0.50 061113001 El Rio - Rio Mesa School #2 CA #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 0.88 130890002 South Dekalb GA 0.83 131390003 Gainesville GA 0.82 132450091 AUGUSTA GA 0.81 130511002 Savannah L&A GA 0.81 121152002 Jackson Road FL 0.80 132150008 Columbus Airport GA 0.77 131210055 Confederate Ave GA 0.75 061113001 El Rio - Rio Mesa School #2 CA 0.75 061111004 Ojai - Ojai Ave. CA 0.73 130590002 Athens FS # 7 GA 0.72 000060903 London ON 0.69 120590004 Bonifay FL 0.67 040139812 Durango AZ 0.67 000054703 Bécancour (Aréna) QC 0.66 130210012 Macon GA 0.66 060711004 Upland CA 0.66 051390006 El Dorado AR 0.65 132230003 Yorkville GA 0.65 060370016 Glendora - Laurel CA 0.64 060376012 Santa Clarita CA 0.63 131510002 McDonough GA 0.62 090090027 New Haven - Criscuolo Park CT 0.61 132950002 Rossville GA 0.61 120111002 DAVIE FL 0.61 000051501 Zéphirin QC 0.60 120330004 Ellyson Industrial Park FL 0.60 000062001 North Bay ON 0.59 060371103 Los Angeles - N. Main Street CA 0.59 010731010 LEEDS AL 0.58 131350002 Gwinnett Tech GA 0.58 090032006 East Hartford - High Street CT 0.56 000090222 Calgary Northwest AB 0.55 120861016 Miami Fire Station #5 FL 0.55 000061004 Sarnia ON 0.55 000050801 Ursulines QC 0.54 060832004 Lompoc H Street CA 0.54 000065701 Morrisburg ON 0.53 130770002 NEWNAN GA 0.53 121130015 Woodlawn FL 0.51 060731010 San Diego - Beardsley Street CA 0.51 000065301 Port Stanley ON 0.50 000065801 Chatham ON #coincidences 10-30 and Corr > 0.5 0.72 090110124 Groton Fort Griswold CT 0.71 060658001 Riverside - Rubidoux CA 0.67 150030010 Kapolei HI Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 13.20 060670006 Sacramento - Del Paso Manor CA 12.90 060550003 Napa - Jefferson St CA 12.70 060950004 Vallejo - 304 Tuolumne Street CA 12.60 060832004 Lompoc H Street CA 12.40 060670011 Elk Grove CA 12.30 060010011 Oakland West CA 12.20 061113001 El Rio - Rio Mesa School #2 CA 11.90 060953002 Vacaville CA 11.60 061111004 Ojai - Ojai Ave. CA 11.50 061130004 Davis CA 11.30 060959999 Rio Vista CA 10.90 060850005 San Jose - Jackson St. CA 10.20 060012004 Berkeley CA 9.60 060798001 Atascadero CA 9.60 060010007 Livermore - Rincon CA 9.50 060670012 Folsom CA 9.00 061131003 Woodland CA 8.20 060731010 San Diego - Beardsley Street CA 8.00 060610006 Roseville - N.Sunrise/Douglas CA 6.80 060731002 Escondido CA 6.00 000030310 SYDNEY NS 5.50 060731008 Camp Pendleton CA 5.10 060830011 Santa Barbara CA 5.10 000020401 SOUTHAMPTON PE 4.50 040138005 Estrella AZ 4.40 060374002 North Long Beach CA 4.20 040191034 Coachline AZ 4.10 040134003 South Phoenix AZ 4.00 061110007 Thousand Oaks - Moorpark Road CA 3.80 040130019 West Phoenix AZ 3.50 040139998 Vehicle Emissions Laboratory AZ 3.20 060190008 Fresno - 1st Street CA 3.10 060271023 Bishop Paiute Tribe-CA CA 2.70 060639901 Quincy BAM CA 2.20 040134010 Dysart AZ 1.80 060371201 Reseda CA 1.60 061110009 Piru - Pacific CA 1.30 060710005 Lake Gregory - Crestline CA #coincidences 10-30 and Corr > 0.5 3.90 060570005 Grass Valley CA 0.80 150030010 Kapolei HI Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 13.90 060832004 Lompoc H Street CA 13.60 061113001 El Rio - Rio Mesa School #2 CA 13.30 061111004 Ojai - Ojai Ave. CA 13.00 060550003 Napa - Jefferson St CA 12.60 060670012 Folsom CA 12.00 060410003 Point Reyes CA 11.60 060670010 Sacramento - T Street CA 11.30 060670011 Elk Grove CA 11.30 060010007 Livermore - Rincon CA 11.20 060950004 Vallejo - 304 Tuolumne Street CA 11.20 060850005 San Jose - Jackson St. CA 10.90 060959999 Rio Vista CA 10.90 060670006 Sacramento - Del Paso Manor CA 10.90 060010011 Oakland West CA 10.60 060012004 Berkeley CA 10.30 061130004 Davis CA 10.30 060953002 Vacaville CA 9.40 060798001 Atascadero CA 8.60 061131003 Woodland CA 8.50 060830011 Santa Barbara CA 8.30 060731010 San Diego - Beardsley Street CA 8.00 060710005 Lake Gregory - Crestline CA 8.00 060610006 Roseville - N.Sunrise/Douglas CA 7.00 060731002 Escondido CA 6.70 061110007 Thousand Oaks - Moorpark Road CA 5.60 000030310 SYDNEY NS 5.50 060792004 Mesa 2 /Nipomo CA 5.30 060374002 North Long Beach CA 5.30 060371201 Reseda CA 4.80 000020401 SOUTHAMPTON PE 4.50 060731008 Camp Pendleton CA 4.40 060290014 Bakersfield - 5558 California Ave CA 4.30 060190008 Fresno - 1st Street CA 4.20 060639901 Quincy BAM CA 3.80 061072002 Visalia - N. Church Street CA 3.00 061112002 Simi Valley - Cochran Street CA 2.80 040134003 South Phoenix AZ 2.70 040138005 Estrella AZ 2.40 061110009 Piru - Pacific CA 2.20 060371103 Los Angeles - N. Main Street CA 2.20 040130019 West Phoenix AZ 2.00 040139998 Vehicle Emissions Laboratory AZ 1.70 060890007 Anderson CA 1.70 040191034 Coachline AZ 1.30 060590007 Anaheim CA 1.30 040134010 Dysart AZ 1.10 080130003 Longmont CO 1.10 060271023 Bishop Paiute Tribe-CA CA 0.70 150031001 Honolulu HI #coincidences 10-30 and Corr > 0.5 2.10 060570005 Grass Valley CA 1.40 150030010 Kapolei HI Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 470.60 060571001 Truckee BAM CA 136.40 060310004 Corcoran CA 64.90 060670010 Sacramento - T Street CA 63.80 010030010 FAIRHOPE AL 57.70 060431001 Yosemite Village - Visitor Center CA 49.60 061070009 Sequoia/Kings Canyon - Ash Mountain CA 41.80 061010003 Yuba City CA 39.00 060410003 Point Reyes CA 35.60 090050005 Cornwall CT 33.20 060711004 Upland CA 31.50 000040801 CANTERBURY NB 28.90 060792004 Mesa 2 /Nipomo CA 28.80 060650012 Banning - South Hathaway Street CA 28.30 060371103 Los Angeles - N. Main Street CA 27.40 060370016 Glendora - Laurel CA 26.30 060659001 Lake Elsinore - W. Flint Street CA 26.30 000060512 Hamilton Downtown ON 25.70 110010043 McMillan Reservoir DC 24.10 060371002 Burbank - W. Palm Ave CA 23.80 060376012 Santa Clarita CA 22.80 080410017 Colorado College CO 22.80 060250005 Calexico - Ethel Street CA 22.40 061112002 Simi Valley - Cochran Street CA 21.90 131390003 Gainesville GA 21.80 090011123 Danbury CT 21.60 090032006 East Hartford - High Street CT 21.60 000061004 Sarnia ON 21.40 060731006 Alpine CA 21.10 131850003 Valdosta GA 21.10 130890002 South Dekalb GA 21.00 010730023 NO. BHAM AL 20.60 120230002 Lake City FL 20.50 060590007 Anaheim CA 20.50 000060303 Kingston ON 20.40 000041302 BATHURST NB 20.30 131530001 Warner Robins GA 20.20 000061302 St. Catharines ON 20.00 010732003 WYLAM AL 19.80 120470015 White Springs FL 19.70 121130015 Woodlawn FL 19.60 120330004 Ellyson Industrial Park FL 19.50 000040203 FOREST HILLS NB 19.30 120730012 Tallahassee Community College FL 19.10 000060424 Toronto Downtown ON 19.10 000054501 L'Assomption QC 18.90 010731010 LEEDS AL 18.80 050350005 MARION AR 18.70 090092123 Waterbury CT 18.60 060710005 Lake Gregory - Crestline CA 18.60 010731009 PROVIDENCE AL 18.60 000060903 London ON 18.50 061110009 Piru - Pacific CA 18.50 060730003 El Cajon - Redwood Ave CA 18.50 000061502 Kitchener ON 18.50 000061402 Brantford ON 18.30 130770002 NEWNAN GA 18.20 051390006 El Dorado AR 18.00 060371201 Reseda CA 18.00 010732006 HOOVER AL 17.90 000054703 Bécancour (Aréna) QC 17.80 150011012 Kona HI 17.70 132450091 AUGUSTA GA 17.70 120952002 Lake Isle Estates FL 17.70 061072002 Visalia - N. Church Street CA 17.70 051190007 PARR AR 17.60 131350002 Gwinnett Tech GA 17.60 060290014 Bakersfield - 5558 California Ave CA 17.60 000065301 Port Stanley ON 17.30 130511002 Savannah L&A GA 17.30 000061201 Cornwall ON 17.20 120050006 St. Andrews Park FL 17.20 060830011 Santa Barbara CA 17.00 010331002 MSHOALS AL 17.00 000065401 Belleville ON 17.00 000065001 Barrie ON 17.00 000060204 Windsor Downtown ON 16.90 100032004 MLK DE 16.90 090090027 New Haven - Criscuolo Park CT 16.80 130210012 Macon GA 16.70 051191008 ADEQ-DSR AR 16.70 000061104 Peterborough ON 16.50 010735002 PINSON AL 16.30 120590004 Bonifay FL 16.20 121152002 Jackson Road FL 16.20 000051501 Zéphirin QC 16.10 061110007 Thousand Oaks - Moorpark Road CA 15.90 000065701 Morrisburg ON 15.80 132230003 Yorkville GA 15.80 130590002 Athens FS # 7 GA 15.80 051430005 SPRNGDLE AR 15.80 000052301 Saint-Faustin QC 15.70 060374002 North Long Beach CA 15.70 000090227 Calgary Central AB 15.60 132150008 Columbus Airport GA 15.60 131210055 Confederate Ave GA 15.40 120013011 Payne's Prarie FL 15.30 120861016 Miami Fire Station #5 FL 15.20 010735003 CORNER AL 15.20 010731005 MCADORY AL 15.00 060610006 Roseville - N.Sunrise/Douglas CA 15.00 000065801 Chatham ON 14.90 090050004 Thomaston CT 14.80 060731002 Escondido CA 14.60 060731008 Camp Pendleton CA 14.50 121275002 Blind Services; 1185-A Dunn Ave FL 14.50 080310013 Denver - NJH - 14th Ave. & Albion St. CO 14.40 131510002 McDonough GA 14.40 061131003 Woodland CA 14.40 060731010 San Diego - Beardsley Street CA 14.40 000063701 Grand Bend ON 14.30 120830003 YMC FL 14.30 060070002 Chico - Manzanita CA 14.20 121035002 John A. Chesnut Sr. Park FL 14.10 120310100 Mayo Clinic FL 14.00 000050801 Ursulines QC 13.90 060670012 Folsom CA 13.90 060190008 Fresno - 1st Street CA 13.80 121056006 Fl. Baptist Children's Home FL 13.80 000090302 Red Deer AB 13.70 121030018 Azalea FL 13.70 120210004 Laurel Oaks Elementary FL 13.70 060990005 Modesto - 14th Street CA 13.70 060010007 Livermore - Rincon CA 13.60 060210002 Willows - E. Laurel Street CA 13.60 040139812 Durango AZ 13.60 000063301 Dorset ON 13.50 000054401 Saint-Anicet QC 13.40 060074001 Gridley CA 13.30 120310077 Sheffield Elementary School FL 13.20 080770017 Grand Junction - Powell Building CO 13.20 040191113 Geronimo AZ 13.20 000030701 AYLESFORD MOUNTAIN NS 13.10 121150013 Bee Ridge FL 13.10 120990009 Royal Palm Beach FL 13.10 000062001 North Bay ON 12.90 120310098 Mandarin FL 12.80 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 12.60 120090011 Fay Park FL 12.50 060850005 San Jose - Jackson St. CA 12.50 060012004 Berkeley CA 12.40 120111002 DAVIE FL 12.40 120090007 Melbourne FL 12.30 120866001 Homestead Fire Station #16 FL 12.30 000065201 Parry Sound ON 12.20 000040302 MONCTON NB 12.10 061130004 Davis CA 12.10 000062501 Tiverton ON 12.10 000060104 Ottawa ON 12.00 000100059 Grand Forks City Hall BC 11.90 060890007 Anderson CA 11.70 081230006 Greeley Hospital CO 11.60 060953002 Vacaville CA 11.60 000090120 Edmonton South AB 11.50 060959999 Rio Vista CA 11.40 132950002 Rossville GA 11.30 061111004 Ojai - Ojai Ave. CA 11.30 000094301 Cold Lake South AB 11.20 080310002 Denver - CAMP - 2105 Broadway CO 11.20 060010011 Oakland West CA 11.10 080310025 Denver Animal Shelter - 678 S. Jason St. CO 11.00 060670011 Elk Grove CA 10.90 000090121 Edmonton East AB 10.90 000060609 Sudbury ON 10.70 061113001 El Rio - Rio Mesa School #2 CA 10.60 060950004 Vallejo - 304 Tuolumne Street CA 10.60 000030310 SYDNEY NS 10.60 000020104 CHARLOTTETOWN PE 10.50 000090502 Lethbridge AB 10.30 000090222 Calgary Northwest AB 10.30 000040209 CASTLE ST. SAINT JO NB 10.20 060670006 Sacramento - Del Paso Manor CA 10.20 000040207 SAINT JOHN WEST NB 10.10 080010006 Commerce City - 7101 Birch St. CO 10.10 060832004 Lompoc H Street CA 10.10 000090218 Calgary East AB 10.00 060550003 Napa - Jefferson St CA 9.90 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 9.90 040191030 Green Valley AZ 9.70 040191032 Rose Elementary AZ 9.60 000060709 Sault Ste Marie ON 9.50 150012016 Pahala HI 9.40 000040103 FREDERICTON NB 9.10 000090130 Edmonton Central AB 9.10 000020301 WELLINGTON PE 8.40 040134010 Dysart AZ 8.30 000020401 SOUTHAMPTON PE 7.90 060271023 Bishop Paiute Tribe-CA CA 7.90 000091901 Caroline AB 7.80 040191034 Coachline AZ 7.70 080131001 Boulder - CU - 2102 Athens St. CO 7.60 060798001 Atascadero CA 7.30 000090601 Fort Saskatchewan AB 7.10 040139998 Vehicle Emissions Laboratory AZ 7.00 040130019 West Phoenix AZ 6.70 080130003 Longmont CO 6.40 040134003 South Phoenix AZ 6.20 040138005 Estrella AZ 5.00 150031001 Honolulu HI 4.70 150011006 Hilo HI 4.60 150012017 Mountain View HI 4.10 060639901 Quincy BAM CA #coincidences 10-30 and Corr > 0.5 23.80 060658001 Riverside - Rubidoux CA 22.60 011011002 MONTG AL 14.50 080350004 Chatfield Park - 11500 N. Roxborough Par CO 13.70 120573002 SYDNEY FL 13.20 000040901 ST ANDREWS NB 13.10 090110124 Groton Fort Griswold CT 12.00 120570030 PCEIA3 FL 7.10 060570005 Grass Valley CA 7.10 000091101 Elk Island AB 6.30 000100010 Creston PC School BC 4.20 150030010 Kapolei HI Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 22.70 061131003 Woodland CA 22.70 061130004 Davis CA 22.70 060959999 Rio Vista CA 22.70 060953002 Vacaville CA 22.70 060950004 Vallejo - 304 Tuolumne Street CA 22.70 060850005 San Jose - Jackson St. CA 22.70 060670012 Folsom CA 22.70 060670011 Elk Grove CA 22.70 060670010 Sacramento - T Street CA 22.70 060670006 Sacramento - Del Paso Manor CA 22.70 060610006 Roseville - N.Sunrise/Douglas CA 22.70 060550003 Napa - Jefferson St CA 22.70 060410003 Point Reyes CA 22.70 060012004 Berkeley CA 22.70 060010011 Oakland West CA 22.70 060010007 Livermore - Rincon CA 20.10 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 14.80 061010003 Yuba City CA 14.80 060890007 Anderson CA 14.80 060570005 Grass Valley CA 14.80 060210002 Willows - E. Laurel Street CA 14.80 060074001 Gridley CA 14.80 060070002 Chico - Manzanita CA 14.30 000020401 SOUTHAMPTON PE 9.40 060650012 Banning - South Hathaway Street CA 9.20 061072002 Visalia - N. Church Street CA 9.20 060798001 Atascadero CA 9.20 060792004 Mesa 2 /Nipomo CA 9.20 060310004 Corcoran CA 9.20 060290014 Bakersfield - 5558 California Ave CA 9.20 060190008 Fresno - 1st Street CA 9.10 061112002 Simi Valley - Cochran Street CA 9.10 061110009 Piru - Pacific CA 9.10 061110007 Thousand Oaks - Moorpark Road CA 9.10 060731008 Camp Pendleton CA 9.10 060731002 Escondido CA 9.10 060711004 Upland CA 9.10 060710005 Lake Gregory - Crestline CA 9.10 060659001 Lake Elsinore - W. Flint Street CA 9.10 060658001 Riverside - Rubidoux CA 9.10 060590007 Anaheim CA 9.10 060376012 Santa Clarita CA 9.10 060374002 North Long Beach CA 9.10 060371201 Reseda CA 9.10 060371103 Los Angeles - N. Main Street CA 9.10 060371002 Burbank - W. Palm Ave CA 9.10 060370016 Glendora - Laurel CA 8.70 000040901 ST ANDREWS NB 8.70 000040801 CANTERBURY NB 8.30 121275002 Blind Services; 1185-A Dunn Ave FL 8.30 120830003 YMC FL 8.30 120470015 White Springs FL 8.30 120310100 Mayo Clinic FL 8.30 120310098 Mandarin FL 8.30 120310077 Sheffield Elementary School FL 8.30 120230002 Lake City FL 8.30 120013011 Payne's Prarie FL 8.10 000030310 SYDNEY NS 7.80 060990005 Modesto - 14th Street CA 7.80 060431001 Yosemite Village - Visitor Center CA 6.50 121130015 Woodlawn FL 6.50 120330004 Ellyson Industrial Park FL 6.50 040191034 Coachline AZ 6.50 010030010 FAIRHOPE AL 6.30 040139998 Vehicle Emissions Laboratory AZ 6.30 040139812 Durango AZ 6.30 040138005 Estrella AZ 6.30 040134010 Dysart AZ 6.30 040134003 South Phoenix AZ 6.30 040130019 West Phoenix AZ 6.20 000040209 CASTLE ST. SAINT JO NB 6.20 000040207 SAINT JOHN WEST NB 6.20 000040203 FOREST HILLS NB 6.20 000040103 FREDERICTON NB 5.80 040191113 Geronimo AZ 5.80 040191032 Rose Elementary AZ 5.80 040191030 Green Valley AZ 5.80 000054703 Bécancour (Aréna) QC 5.80 000051501 Zéphirin QC 5.80 000050801 Ursulines QC 5.70 100032004 MLK DE 4.80 000040302 MONCTON NB 4.80 000030701 AYLESFORD MOUNTAIN NS 4.80 000020301 WELLINGTON PE 4.80 000020104 CHARLOTTETOWN PE 4.50 120090011 Fay Park FL 4.50 120090007 Melbourne FL 4.50 110010043 McMillan Reservoir DC 4.50 080350004 Chatfield Park - 11500 N. Roxborough Par CO 4.50 080131001 Boulder - CU - 2102 Athens St. CO 4.50 080130003 Longmont CO 4.20 060639901 Quincy BAM CA 4.20 060571001 Truckee BAM CA 4.10 120210004 Laurel Oaks Elementary FL 4.10 081230006 Greeley Hospital CO 4.10 080310025 Denver Animal Shelter - 678 S. Jason St. CO 4.10 080310013 Denver - NJH - 14th Ave. & Albion St. CO 4.10 080310002 Denver - CAMP - 2105 Broadway CO 4.10 080010006 Commerce City - 7101 Birch St. CO 4.10 000010401 Mount Pearl NF 4.00 120990009 Royal Palm Beach FL 4.00 120866001 Homestead Fire Station #16 FL 4.00 120861016 Miami Fire Station #5 FL 4.00 120111002 DAVIE FL 4.00 000065001 Barrie ON 4.00 000061502 Kitchener ON 4.00 000061402 Brantford ON 4.00 000061302 St. Catharines ON 4.00 000060512 Hamilton Downtown ON 4.00 000060424 Toronto Downtown ON 3.90 120590004 Bonifay FL 3.90 120050006 St. Andrews Park FL 3.80 132150008 Columbus Airport GA 3.80 131530001 Warner Robins GA 3.80 130210012 Macon GA 3.80 011011002 MONTG AL 3.70 061070009 Sequoia/Kings Canyon - Ash Mountain CA 3.70 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 3.70 000090601 Fort Saskatchewan AB 3.70 000090130 Edmonton Central AB 3.70 000090121 Edmonton East AB 3.70 000090120 Edmonton South AB 3.60 121152002 Jackson Road FL 3.60 121150013 Bee Ridge FL 3.60 121056006 Fl. Baptist Children's Home FL 3.60 121035002 John A. Chesnut Sr. Park FL 3.60 121030018 Azalea FL 3.60 120952002 Lake Isle Estates FL 3.60 120573002 SYDNEY FL 3.60 120570030 PCEIA3 FL 3.60 000061201 Cornwall ON 3.60 000054501 L'Assomption QC 3.60 000054401 Saint-Anicet QC 3.60 000052301 Saint-Faustin QC 3.40 131850003 Valdosta GA 3.40 130511002 Savannah L&A GA 3.40 120730012 Tallahassee Community College FL 3.40 000065701 Morrisburg ON 3.40 000060303 Kingston ON 3.30 060271023 Bishop Paiute Tribe-CA CA 3.30 000065401 Belleville ON 3.30 000061104 Peterborough ON 3.00 000065801 Chatham ON 3.00 000065301 Port Stanley ON 3.00 000061004 Sarnia ON 3.00 000060903 London ON 2.90 090092123 Waterbury CT 2.90 090050005 Cornwall CT 2.90 090050004 Thomaston CT 2.90 090011123 Danbury CT 2.90 060731006 Alpine CA 2.90 060730003 El Cajon - Redwood Ave CA 2.90 060250005 Calexico - Ethel Street CA 2.90 000060204 Windsor Downtown ON 2.80 000041302 BATHURST NB 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 2.50 132950002 Rossville GA 2.50 132230003 Yorkville GA 2.50 090110124 Groton Fort Griswold CT 2.50 090090027 New Haven - Criscuolo Park CT 2.50 090032006 East Hartford - High Street CT 2.50 010735003 CORNER AL 2.50 010735002 PINSON AL 2.50 010732006 HOOVER AL 2.50 010732003 WYLAM AL 2.50 010731010 LEEDS AL 2.50 010730023 NO. BHAM AL 2.50 000100059 Grand Forks City Hall BC 2.40 080770017 Grand Junction - Powell Building CO 2.30 080410017 Colorado College CO 2.20 150012017 Mountain View HI 2.20 150012016 Pahala HI 2.20 150011012 Kona HI 2.20 150011006 Hilo HI 2.20 051390006 El Dorado AR 2.20 051191008 ADEQ-DSR AR 2.20 051190007 PARR AR 2.20 010731009 PROVIDENCE AL 2.20 010731005 MCADORY AL 2.20 010331002 MSHOALS AL 2.10 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 2.10 150031001 Honolulu HI 2.10 150030010 Kapolei HI 2.00 131510002 McDonough GA 2.00 131390003 Gainesville GA 2.00 131350002 Gwinnett Tech GA 2.00 131210055 Confederate Ave GA 2.00 130890002 South Dekalb GA 2.00 130770002 NEWNAN GA 2.00 130590002 Athens FS # 7 GA 2.00 051430005 SPRNGDLE AR 1.80 132450091 AUGUSTA GA 1.70 000063701 Grand Bend ON 1.70 000062501 Tiverton ON 1.40 050350005 MARION AR 1.20 000065201 Parry Sound ON 1.20 000062001 North Bay ON 1.20 000060609 Sudbury ON 1.10 000091101 Elk Island AB 1.00 000100010 Creston PC School BC 0.90 000063301 Dorset ON 0.90 000060709 Sault Ste Marie ON 0.80 000060104 Ottawa ON 0.70 000090502 Lethbridge AB 0.50 000094301 Cold Lake South AB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)