Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.67 011011002 MONTG AL 0.67 000091101 Elk Island AB 0.66 131210055 Confederate Ave GA 0.65 121130015 Woodlawn FL 0.64 000090227 Calgary Central AB 0.64 000090218 Calgary East AB 0.63 000091901 Caroline AB 0.61 000090302 Red Deer AB 0.60 131350002 Gwinnett Tech GA 0.60 000094301 Cold Lake South AB 0.60 000063701 Grand Bend ON 0.60 000062501 Tiverton ON 0.59 120330004 Ellyson Industrial Park FL 0.59 010731010 LEEDS AL 0.59 000090222 Calgary Northwest AB 0.56 131510002 McDonough GA 0.56 010731005 MCADORY AL 0.56 010030010 FAIRHOPE AL 0.55 130590002 Athens FS # 7 GA 0.53 150011012 Kona HI 0.53 130890002 South Dekalb GA 0.52 010970003 CHICK. AL 0.51 132230003 Yorkville GA 0.51 051390006 El Dorado AR 0.50 010731009 PROVIDENCE AL #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 0.87 010731010 LEEDS AL 0.85 011011002 MONTG AL 0.83 121130015 Woodlawn FL 0.81 010731005 MCADORY AL 0.80 131350002 Gwinnett Tech GA 0.80 010970003 CHICK. AL 0.79 131510002 McDonough GA 0.79 010030010 FAIRHOPE AL 0.78 000091101 Elk Island AB 0.76 000090601 Fort Saskatchewan AB 0.75 131210055 Confederate Ave GA 0.74 132230003 Yorkville GA 0.74 060371201 Reseda CA 0.74 010731009 PROVIDENCE AL 0.74 000090227 Calgary Central AB 0.74 000090218 Calgary East AB 0.73 060376012 Santa Clarita CA 0.73 010735002 PINSON AL 0.72 010732003 WYLAM AL 0.71 130890002 South Dekalb GA 0.71 130590002 Athens FS # 7 GA 0.71 050350005 MARION AR 0.71 010730023 NO. BHAM AL 0.70 132950002 Rossville GA 0.70 000090302 Red Deer AB 0.70 000062501 Tiverton ON 0.68 150011012 Kona HI 0.68 000090222 Calgary Northwest AB 0.67 051390006 El Dorado AR 0.66 130770002 NEWNAN GA 0.66 000094301 Cold Lake South AB 0.65 000060903 London ON 0.64 000091901 Caroline AB 0.63 000063701 Grand Bend ON 0.60 120470015 White Springs FL 0.60 060990005 Modesto - 14th Street CA 0.60 000090120 Edmonton South AB 0.58 060890007 Anderson CA 0.57 150012016 Pahala HI 0.55 010732006 HOOVER AL 0.54 131390003 Gainesville GA 0.54 060670012 Folsom CA 0.54 000065301 Port Stanley ON 0.52 060190008 Fresno - 1st Street CA 0.52 010331002 MSHOALS AL 0.52 000061104 Peterborough ON 0.51 000065801 Chatham ON 0.51 000061004 Sarnia ON 0.50 060651003 Riverside - Magnolia CA #coincidences 10-30 and Corr > 0.5 0.56 061010003 Yuba City CA Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 11.90 061113001 El Rio - Rio Mesa School #2 CA 11.80 060832004 Lompoc H Street CA 11.40 061111004 Ojai - Ojai Ave. CA 7.90 060959999 Rio Vista CA 7.60 060953002 Vacaville CA 7.30 060670010 Sacramento - T Street CA 7.30 000020401 SOUTHAMPTON PE 6.90 060670011 Elk Grove CA 6.90 060550003 Napa - Jefferson St CA 6.80 060010007 Livermore - Rincon CA 6.40 060670012 Folsom CA 6.30 060670006 Sacramento - Del Paso Manor CA 6.10 060950004 Vallejo - 304 Tuolumne Street CA 6.10 060731010 San Diego - Beardsley Street CA 6.00 000030310 SYDNEY NS 5.80 061110009 Piru - Pacific CA 5.80 060010011 Oakland West CA 5.70 061131003 Woodland CA 5.60 150011006 Hilo HI 5.30 000065001 Barrie ON 5.20 060012004 Berkeley CA 5.10 150012017 Mountain View HI 5.10 060610006 Roseville - N.Sunrise/Douglas CA 4.30 061110007 Thousand Oaks - Moorpark Road CA 3.50 060850005 San Jose - Jackson St. CA 1.90 061112002 Simi Valley - Cochran Street CA 1.60 150031001 Honolulu HI 1.60 090032006 East Hartford - High Street CT 1.40 090050005 Cornwall CT 1.00 040138005 Estrella AZ 0.90 000062001 North Bay ON 0.80 000065201 Parry Sound ON 0.50 040134003 South Phoenix AZ 0.50 000061104 Peterborough ON #coincidences 10-30 and Corr > 0.5 5.90 060410003 Point Reyes CA 4.70 150030010 Kapolei HI 1.10 060570005 Grass Valley CA Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 12.60 060832004 Lompoc H Street CA 11.60 061113001 El Rio - Rio Mesa School #2 CA 11.60 061111004 Ojai - Ojai Ave. CA 9.50 060830011 Santa Barbara CA 8.50 060670012 Folsom CA 8.30 060010007 Livermore - Rincon CA 7.80 060959999 Rio Vista CA 7.30 060550003 Napa - Jefferson St CA 7.10 061130004 Davis CA 7.00 060670006 Sacramento - Del Paso Manor CA 6.90 060670010 Sacramento - T Street CA 6.60 060731010 San Diego - Beardsley Street CA 6.40 060950004 Vallejo - 304 Tuolumne Street CA 6.30 061131003 Woodland CA 6.30 060670011 Elk Grove CA 6.30 060012004 Berkeley CA 6.30 060010011 Oakland West CA 5.80 060953002 Vacaville CA 5.20 060610006 Roseville - N.Sunrise/Douglas CA 5.20 000020401 SOUTHAMPTON PE 4.70 060850005 San Jose - Jackson St. CA 4.10 150011006 Hilo HI 3.90 150012017 Mountain View HI 3.90 060798001 Atascadero CA 2.40 000030310 SYDNEY NS 2.00 000065801 Chatham ON 1.90 000061302 St. Catharines ON 1.60 000061402 Brantford ON 1.50 000060424 Toronto Downtown ON 1.20 000065001 Barrie ON 1.10 060792004 Mesa 2 /Nipomo CA 1.10 000065301 Port Stanley ON 0.90 150031001 Honolulu HI 0.90 061072002 Visalia - N. Church Street CA 0.70 061110009 Piru - Pacific CA 0.50 090050004 Thomaston CT 0.50 000061502 Kitchener ON #coincidences 10-30 and Corr > 0.5 6.20 060410003 Point Reyes CA 4.90 150030010 Kapolei HI 1.70 060570005 Grass Valley CA Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 405.10 060431001 Yosemite Village - Visitor Center CA 177.10 000054401 Saint-Anicet QC 156.20 120310077 Sheffield Elementary School FL 92.80 000090121 Edmonton East AB 83.60 061130004 Davis CA 69.10 000090302 Red Deer AB 61.70 000091901 Caroline AB 57.50 051190007 PARR AR 52.90 000090120 Edmonton South AB 49.20 000091101 Elk Island AB 46.30 040191032 Rose Elementary AZ 43.30 060250005 Calexico - Ethel Street CA 43.20 060190008 Fresno - 1st Street CA 39.50 060890007 Anderson CA 38.90 000090218 Calgary East AB 38.50 060990005 Modesto - 14th Street CA 37.70 000090222 Calgary Northwest AB 36.40 060830011 Santa Barbara CA 35.70 060798001 Atascadero CA 35.70 000090227 Calgary Central AB 35.20 000094301 Cold Lake South AB 29.70 000090601 Fort Saskatchewan AB 28.10 000090502 Lethbridge AB 27.10 131390003 Gainesville GA 25.10 090090027 New Haven - Criscuolo Park CT 22.80 060310004 Corcoran CA 21.60 060650012 Banning - South Hathaway Street CA 21.50 150011012 Kona HI 21.30 130770002 NEWNAN GA 20.80 060371002 Burbank - W. Palm Ave CA 20.80 000061004 Sarnia ON 20.60 060371103 Los Angeles - N. Main Street CA 20.50 100032004 MLK DE 20.40 060371201 Reseda CA 20.20 060731008 Camp Pendleton CA 20.20 010030010 FAIRHOPE AL 20.10 132950002 Rossville GA 20.10 000040203 FOREST HILLS NB 19.70 080350004 Chatfield Park - 11500 N. Roxborough Par CO 19.60 060590007 Anaheim CA 19.50 131210055 Confederate Ave GA 19.40 010970003 CHICK. AL 19.20 060658001 Riverside - Rubidoux CA 19.10 060710005 Lake Gregory - Crestline CA 18.70 130890002 South Dekalb GA 18.70 060730003 El Cajon - Redwood Ave CA 18.60 131510002 McDonough GA 18.10 110010043 McMillan Reservoir DC 17.50 132230003 Yorkville GA 17.40 132450091 AUGUSTA GA 17.20 050350005 MARION AR 17.10 130590002 Athens FS # 7 GA 16.80 060376012 Santa Clarita CA 16.80 060374002 North Long Beach CA 16.80 051390006 El Dorado AR 16.70 010731010 LEEDS AL 16.60 131850003 Valdosta GA 16.60 060731002 Escondido CA 16.60 000060424 Toronto Downtown ON 16.50 131350002 Gwinnett Tech GA 16.50 060659001 Lake Elsinore - W. Flint Street CA 16.40 132150008 Columbus Airport GA 16.40 060370016 Glendora - Laurel CA 16.40 000060204 Windsor Downtown ON 16.20 060651003 Riverside - Magnolia CA 16.20 060290014 Bakersfield - 5558 California Ave CA 16.20 000061402 Brantford ON 16.10 010331002 MSHOALS AL 16.00 121152002 Jackson Road FL 16.00 060731010 San Diego - Beardsley Street CA 16.00 011011002 MONTG AL 16.00 010732006 HOOVER AL 16.00 010732003 WYLAM AL 15.90 000054703 Bécancour (Aréna) QC 15.80 131530001 Warner Robins GA 15.80 010730023 NO. BHAM AL 15.60 130511002 Savannah L&A GA 15.20 000061502 Kitchener ON 15.00 130210012 Macon GA 15.00 010731005 MCADORY AL 14.90 120861016 Miami Fire Station #5 FL 14.90 051191008 ADEQ-DSR AR 14.80 000060512 Hamilton Downtown ON 14.70 061072002 Visalia - N. Church Street CA 14.60 090092123 Waterbury CT 14.50 000060903 London ON 14.30 061112002 Simi Valley - Cochran Street CA 14.30 010731009 PROVIDENCE AL 14.10 000063701 Grand Bend ON 14.00 040191113 Geronimo AZ 14.00 000050801 Ursulines QC 13.90 061070009 Sequoia/Kings Canyon - Ash Mountain CA 13.90 060792004 Mesa 2 /Nipomo CA 13.90 010735003 CORNER AL 13.90 000054501 L'Assomption QC 13.80 120573002 SYDNEY FL 13.70 060850005 San Jose - Jackson St. CA 13.60 010735002 PINSON AL 13.50 000061302 St. Catharines ON 13.40 120470015 White Springs FL 13.30 090110124 Groton Fort Griswold CT 13.30 051430005 SPRNGDLE AR 13.20 000062501 Tiverton ON 13.00 000040901 ST ANDREWS NB 12.90 120570030 PCEIA3 FL 12.90 000041302 BATHURST NB 12.60 000065301 Port Stanley ON 12.50 060012004 Berkeley CA 12.20 000040207 SAINT JOHN WEST NB 12.20 000030701 AYLESFORD MOUNTAIN NS 12.00 150012016 Pahala HI 12.00 090032006 East Hartford - High Street CT 12.00 060610006 Roseville - N.Sunrise/Douglas CA 11.90 061110007 Thousand Oaks - Moorpark Road CA 11.90 000052301 Saint-Faustin QC 11.80 120866001 Homestead Fire Station #16 FL 11.70 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 11.60 120590004 Bonifay FL 11.60 000065801 Chatham ON 11.60 000060303 Kingston ON 11.50 090050004 Thomaston CT 11.40 061131003 Woodland CA 11.40 060010011 Oakland West CA 11.30 060070002 Chico - Manzanita CA 11.10 060950004 Vallejo - 304 Tuolumne Street CA 11.00 000060709 Sault Ste Marie ON 10.90 000040209 CASTLE ST. SAINT JO NB 10.80 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 10.80 121130015 Woodlawn FL 10.80 061110009 Piru - Pacific CA 10.80 060670012 Folsom CA 10.60 060670006 Sacramento - Del Paso Manor CA 10.50 060210002 Willows - E. Laurel Street CA 10.40 060670010 Sacramento - T Street CA 10.40 060550003 Napa - Jefferson St CA 10.30 090011123 Danbury CT 10.30 061111004 Ojai - Ojai Ave. CA 10.20 120730012 Tallahassee Community College FL 10.20 060010007 Livermore - Rincon CA 10.20 000061201 Cornwall ON 10.10 120571065 gandy FL 10.10 060670011 Elk Grove CA 10.00 060832004 Lompoc H Street CA 10.00 060074001 Gridley CA 9.90 121056006 Fl. Baptist Children's Home FL 9.90 000065401 Belleville ON 9.80 061113001 El Rio - Rio Mesa School #2 CA 9.80 060953002 Vacaville CA 9.80 060571001 Truckee BAM CA 9.70 120210004 Laurel Oaks Elementary FL 9.50 080310025 Denver Animal Shelter - 678 S. Jason St. CO 9.50 060959999 Rio Vista CA 9.40 121030018 Azalea FL 9.40 080010006 Commerce City - 7101 Birch St. CO 9.30 090050005 Cornwall CT 9.20 040191034 Coachline AZ 9.20 000065001 Barrie ON 9.20 000063301 Dorset ON 9.20 000040302 MONCTON NB 9.10 120952002 Lake Isle Estates FL 9.10 000061104 Peterborough ON 9.00 120830003 YMC FL 8.90 120710005 Winkler Pump Station FL 8.80 121035002 John A. Chesnut Sr. Park FL 8.80 120111002 DAVIE FL 8.80 040139812 Durango AZ 8.80 000065701 Morrisburg ON 8.80 000051501 Zéphirin QC 8.70 081230006 Greeley Hospital CO 8.70 000060104 Ottawa ON 8.70 000040103 FREDERICTON NB 8.70 000030310 SYDNEY NS 8.50 120090011 Fay Park FL 8.30 000060609 Sudbury ON 8.30 000020301 WELLINGTON PE 8.20 121275002 Blind Services; 1185-A Dunn Ave FL 8.10 120090007 Melbourne FL 8.10 120050006 St. Andrews Park FL 8.00 120990009 Royal Palm Beach FL 7.90 121150013 Bee Ridge FL 7.90 080310013 Denver - NJH - 14th Ave. & Albion St. CO 7.50 000065201 Parry Sound ON 7.50 000020104 CHARLOTTETOWN PE 7.40 120013011 Payne's Prarie FL 7.30 150031001 Honolulu HI 7.30 080310002 Denver - CAMP - 2105 Broadway CO 7.30 000062001 North Bay ON 7.00 040191030 Green Valley AZ 7.00 040134010 Dysart AZ 6.80 120310100 Mayo Clinic FL 6.50 040130019 West Phoenix AZ 6.30 060271023 Bishop Paiute Tribe-CA CA 6.20 040139998 Vehicle Emissions Laboratory AZ 6.20 000020401 SOUTHAMPTON PE 5.70 000100010 Creston PC School BC 5.60 040134003 South Phoenix AZ 5.40 060639901 Quincy BAM CA 5.20 040138005 Estrella AZ 4.90 080770017 Grand Junction - Powell Building CO 4.70 150012017 Mountain View HI 4.40 150011006 Hilo HI #coincidences 10-30 and Corr > 0.5 93.20 000090130 Edmonton Central AB 13.80 080410017 Colorado College CO 13.40 061010003 Yuba City CA 12.50 120330004 Ellyson Industrial Park FL 10.90 120230002 Lake City FL 10.90 060410003 Point Reyes CA 8.10 120310098 Mandarin FL 7.00 060570005 Grass Valley CA 5.70 080130003 Longmont CO 4.30 150030010 Kapolei HI Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 29.00 000030310 SYDNEY NS 20.10 060731010 San Diego - Beardsley Street CA 18.70 061113001 El Rio - Rio Mesa School #2 CA 18.70 061111004 Ojai - Ojai Ave. CA 18.70 060832004 Lompoc H Street CA 18.70 060830011 Santa Barbara CA 17.60 000010401 Mount Pearl NF 14.40 000020401 SOUTHAMPTON PE 10.90 130511002 Savannah L&A GA 9.30 090110124 Groton Fort Griswold CT 9.30 090090027 New Haven - Criscuolo Park CT 9.30 090032006 East Hartford - High Street CT 9.30 000063701 Grand Bend ON 9.30 000062501 Tiverton ON 9.20 060650012 Banning - South Hathaway Street CA 8.60 090092123 Waterbury CT 8.60 090050005 Cornwall CT 8.60 090050004 Thomaston CT 8.60 090011123 Danbury CT 8.50 132150008 Columbus Airport GA 8.50 131530001 Warner Robins GA 8.50 130210012 Macon GA 8.50 061131003 Woodland CA 8.50 061130004 Davis CA 8.50 060959999 Rio Vista CA 8.50 060953002 Vacaville CA 8.50 060950004 Vallejo - 304 Tuolumne Street CA 8.50 060850005 San Jose - Jackson St. CA 8.50 060670012 Folsom CA 8.50 060670011 Elk Grove CA 8.50 060670010 Sacramento - T Street CA 8.50 060670006 Sacramento - Del Paso Manor CA 8.50 060610006 Roseville - N.Sunrise/Douglas CA 8.50 060550003 Napa - Jefferson St CA 8.50 060410003 Point Reyes CA 8.50 060012004 Berkeley CA 8.50 060010011 Oakland West CA 8.50 060010007 Livermore - Rincon CA 8.10 061112002 Simi Valley - Cochran Street CA 8.10 061110009 Piru - Pacific CA 8.10 061110007 Thousand Oaks - Moorpark Road CA 8.10 060731008 Camp Pendleton CA 8.10 060731002 Escondido CA 8.10 060710005 Lake Gregory - Crestline CA 8.10 060659001 Lake Elsinore - W. Flint Street CA 8.10 060658001 Riverside - Rubidoux CA 8.10 060651003 Riverside - Magnolia CA 8.10 060590007 Anaheim CA 8.10 060376012 Santa Clarita CA 8.10 060374002 North Long Beach CA 8.10 060371201 Reseda CA 8.10 060371103 Los Angeles - N. Main Street CA 8.10 060371002 Burbank - W. Palm Ave CA 8.10 060370016 Glendora - Laurel CA 7.90 061070009 Sequoia/Kings Canyon - Ash Mountain CA 7.90 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 7.80 100032004 MLK DE 7.80 060730003 El Cajon - Redwood Ave CA 7.80 060250005 Calexico - Ethel Street CA 7.10 061072002 Visalia - N. Church Street CA 7.10 060798001 Atascadero CA 7.10 060792004 Mesa 2 /Nipomo CA 7.10 060310004 Corcoran CA 7.10 060290014 Bakersfield - 5558 California Ave CA 7.10 060190008 Fresno - 1st Street CA 6.40 110010043 McMillan Reservoir DC 6.40 011011002 MONTG AL 5.90 132950002 Rossville GA 5.90 132230003 Yorkville GA 5.90 010735003 CORNER AL 5.90 010735002 PINSON AL 5.90 010732006 HOOVER AL 5.90 010732003 WYLAM AL 5.90 010731010 LEEDS AL 5.90 010730023 NO. BHAM AL 5.80 131510002 McDonough GA 5.80 131390003 Gainesville GA 5.80 131350002 Gwinnett Tech GA 5.80 131210055 Confederate Ave GA 5.80 130890002 South Dekalb GA 5.80 130770002 NEWNAN GA 5.80 130590002 Athens FS # 7 GA 5.70 131850003 Valdosta GA 5.70 121130015 Woodlawn FL 5.70 120730012 Tallahassee Community College FL 5.70 120330004 Ellyson Industrial Park FL 5.70 010970003 CHICK. AL 5.70 010030010 FAIRHOPE AL 5.40 120590004 Bonifay FL 5.40 120050006 St. Andrews Park FL 5.40 010731009 PROVIDENCE AL 5.40 010731005 MCADORY AL 5.40 010331002 MSHOALS AL 5.20 132450091 AUGUSTA GA 5.00 120090011 Fay Park FL 5.00 120090007 Melbourne FL 4.80 040139998 Vehicle Emissions Laboratory AZ 4.80 040139812 Durango AZ 4.80 040138005 Estrella AZ 4.80 040134010 Dysart AZ 4.80 040134003 South Phoenix AZ 4.80 040130019 West Phoenix AZ 4.60 121275002 Blind Services; 1185-A Dunn Ave FL 4.60 120830003 YMC FL 4.60 120470015 White Springs FL 4.60 120310100 Mayo Clinic FL 4.60 120310098 Mandarin FL 4.60 120310077 Sheffield Elementary School FL 4.60 120230002 Lake City FL 4.60 120013011 Payne's Prarie FL 3.60 060990005 Modesto - 14th Street CA 3.60 060431001 Yosemite Village - Visitor Center CA 3.50 000065701 Morrisburg ON 3.50 000060303 Kingston ON 3.30 000065001 Barrie ON 3.30 000061502 Kitchener ON 3.30 000061402 Brantford ON 3.30 000061302 St. Catharines ON 3.30 000060512 Hamilton Downtown ON 3.30 000060424 Toronto Downtown ON 3.00 121152002 Jackson Road FL 3.00 121150013 Bee Ridge FL 3.00 121056006 Fl. Baptist Children's Home FL 3.00 121035002 John A. Chesnut Sr. Park FL 3.00 121030018 Azalea FL 3.00 120952002 Lake Isle Estates FL 3.00 120573002 SYDNEY FL 3.00 120571065 gandy FL 3.00 120570030 PCEIA3 FL 2.90 061010003 Yuba City CA 2.90 060890007 Anderson CA 2.90 060570005 Grass Valley CA 2.90 060210002 Willows - E. Laurel Street CA 2.90 060074001 Gridley CA 2.90 060070002 Chico - Manzanita CA 2.90 000065401 Belleville ON 2.90 000061104 Peterborough ON 2.80 120710005 Winkler Pump Station FL 2.80 120210004 Laurel Oaks Elementary FL 2.80 060271023 Bishop Paiute Tribe-CA CA 2.70 000040901 ST ANDREWS NB 2.70 000040801 CANTERBURY NB 2.60 000040302 MONCTON NB 2.60 000030701 AYLESFORD MOUNTAIN NS 2.60 000020301 WELLINGTON PE 2.60 000020104 CHARLOTTETOWN PE 2.50 051390006 El Dorado AR 2.50 051191008 ADEQ-DSR AR 2.50 051190007 PARR AR 2.40 051430005 SPRNGDLE AR 2.40 040191034 Coachline AZ 2.30 000061201 Cornwall ON 2.30 000054501 L'Assomption QC 2.30 000054401 Saint-Anicet QC 2.30 000052301 Saint-Faustin QC 2.30 000040209 CASTLE ST. SAINT JO NB 2.30 000040207 SAINT JOHN WEST NB 2.30 000040203 FOREST HILLS NB 2.30 000040103 FREDERICTON NB 2.20 000065801 Chatham ON 2.20 000065301 Port Stanley ON 2.20 000061004 Sarnia ON 2.20 000060903 London ON 2.20 000060204 Windsor Downtown ON 2.20 000054703 Bécancour (Aréna) QC 2.20 000051501 Zéphirin QC 2.20 000050801 Ursulines QC 2.00 000060709 Sault Ste Marie ON 1.80 080410017 Colorado College CO 1.70 060639901 Quincy BAM CA 1.70 060571001 Truckee BAM CA 1.70 050350005 MARION AR 1.70 000100010 Creston PC School BC 1.60 120990009 Royal Palm Beach FL 1.60 120866001 Homestead Fire Station #16 FL 1.60 120861016 Miami Fire Station #5 FL 1.60 120111002 DAVIE FL 1.60 081230006 Greeley Hospital CO 1.60 080770017 Grand Junction - Powell Building CO 1.60 080350004 Chatfield Park - 11500 N. Roxborough Par CO 1.60 080310025 Denver Animal Shelter - 678 S. Jason St. CO 1.60 080310013 Denver - NJH - 14th Ave. & Albion St. CO 1.60 080310002 Denver - CAMP - 2105 Broadway CO 1.60 080131001 Boulder - CU - 2102 Athens St. CO 1.60 080130003 Longmont CO 1.60 080010006 Commerce City - 7101 Birch St. CO 1.50 040191113 Geronimo AZ 1.50 040191032 Rose Elementary AZ 1.50 040191030 Green Valley AZ 1.40 000065201 Parry Sound ON 1.40 000062001 North Bay ON 1.40 000060609 Sudbury ON 1.30 000090601 Fort Saskatchewan AB 1.30 000090130 Edmonton Central AB 1.30 000090121 Edmonton East AB 1.30 000090120 Edmonton South AB 1.20 000060104 Ottawa ON 1.10 000091101 Elk Island AB 1.00 000091901 Caroline 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 000063301 Dorset ON 0.80 150012017 Mountain View HI 0.80 150012016 Pahala HI 0.80 150011012 Kona HI 0.80 150011006 Hilo HI 0.80 000094301 Cold Lake South AB 0.80 000041302 BATHURST NB 0.60 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 0.60 150031001 Honolulu HI 0.60 150030010 Kapolei HI 0.60 000090502 Lethbridge AB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)