Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.63 131390003 Gainesville GA 0.59 132150008 Columbus Airport GA 0.58 130890002 South Dekalb GA 0.57 010331002 MSHOALS AL 0.51 130511002 Savannah L&A GA 0.51 120866001 Homestead Fire Station #16 FL #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 0.86 132450091 AUGUSTA GA 0.86 132150008 Columbus Airport GA 0.84 130890002 South Dekalb GA 0.84 120866001 Homestead Fire Station #16 FL 0.82 131390003 Gainesville GA 0.82 130210012 Macon GA 0.78 131210055 Confederate Ave GA 0.78 130511002 Savannah L&A GA 0.77 121152002 Jackson Road FL 0.77 010331002 MSHOALS AL 0.75 120861016 Miami Fire Station #5 FL 0.72 060376012 Santa Clarita CA 0.69 132950002 Rossville GA 0.69 131530001 Warner Robins GA 0.68 130590002 Athens FS # 7 GA 0.66 000090222 Calgary Northwest AB 0.64 060890007 Anderson CA 0.64 000065801 Chatham ON 0.64 000061004 Sarnia ON 0.64 000060903 London ON 0.60 090110124 Groton Fort Griswold CT 0.59 061111004 Ojai - Ojai Ave. CA 0.59 000065301 Port Stanley ON 0.58 131350002 Gwinnett Tech GA 0.56 131850003 Valdosta GA 0.56 051190007 PARR AR 0.55 000060204 Windsor Downtown ON 0.54 090032006 East Hartford - High Street CT 0.54 000040103 FREDERICTON NB 0.53 060371103 Los Angeles - N. Main Street CA 0.52 131510002 McDonough GA 0.52 130770002 NEWNAN GA 0.52 000054703 Bécancour (Aréna) QC 0.51 040191030 Green Valley AZ 0.50 120470015 White Springs FL 0.50 060371201 Reseda CA #coincidences 10-30 and Corr > 0.5 0.83 060658001 Riverside - Rubidoux CA 0.68 150030010 Kapolei HI Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 13.10 061113001 El Rio - Rio Mesa School #2 CA 13.00 060832004 Lompoc H Street CA 13.00 060670011 Elk Grove CA 12.10 061111004 Ojai - Ojai Ave. CA 10.90 060953002 Vacaville CA 10.80 060550003 Napa - Jefferson St CA 10.70 060950004 Vallejo - 304 Tuolumne Street CA 10.60 060959999 Rio Vista CA 10.40 061130004 Davis CA 9.80 060010011 Oakland West CA 9.60 060798001 Atascadero CA 9.10 060850005 San Jose - Jackson St. CA 8.70 061131003 Woodland CA 8.50 060012004 Berkeley CA 7.90 060830011 Santa Barbara CA 7.70 060731002 Escondido CA 7.60 040138005 Estrella AZ 7.50 060792004 Mesa 2 /Nipomo CA 7.50 060670006 Sacramento - Del Paso Manor CA 7.10 060731008 Camp Pendleton CA 6.90 040130019 West Phoenix AZ 6.70 000030310 SYDNEY NS 6.60 060010007 Livermore - Rincon CA 6.60 040139998 Vehicle Emissions Laboratory AZ 6.60 040134003 South Phoenix AZ 5.90 040191034 Coachline AZ 5.70 040134010 Dysart AZ 5.50 061110007 Thousand Oaks - Moorpark Road CA 5.40 000020401 SOUTHAMPTON PE 4.90 100032004 MLK DE 4.90 060374002 North Long Beach CA 4.70 060731010 San Diego - Beardsley Street CA 3.30 060670012 Folsom CA 3.10 060371201 Reseda CA 2.70 060639901 Quincy BAM CA 2.20 060271023 Bishop Paiute Tribe-CA CA 1.60 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 0.80 150031001 Honolulu HI 0.80 061110009 Piru - Pacific CA 0.50 060710005 Lake Gregory - Crestline CA #coincidences 10-30 and Corr > 0.5 4.20 060570005 Grass Valley CA 3.20 150030010 Kapolei HI Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 14.60 061113001 El Rio - Rio Mesa School #2 CA 14.00 061111004 Ojai - Ojai Ave. CA 14.00 060832004 Lompoc H Street CA 12.80 060670012 Folsom CA 12.50 060670010 Sacramento - T Street CA 11.90 060410003 Point Reyes CA 11.70 060550003 Napa - Jefferson St CA 11.50 060959999 Rio Vista CA 11.40 060010007 Livermore - Rincon CA 11.20 060670011 Elk Grove CA 11.00 060670006 Sacramento - Del Paso Manor CA 10.60 060950004 Vallejo - 304 Tuolumne Street CA 10.50 060953002 Vacaville CA 10.10 061130004 Davis CA 10.00 060850005 San Jose - Jackson St. CA 10.00 060012004 Berkeley CA 9.80 060830011 Santa Barbara CA 9.30 060798001 Atascadero CA 9.20 060010011 Oakland West CA 8.60 061131003 Woodland CA 8.50 061110007 Thousand Oaks - Moorpark Road CA 8.00 060610006 Roseville - N.Sunrise/Douglas CA 7.90 060710005 Lake Gregory - Crestline CA 7.80 060731002 Escondido CA 6.90 060731008 Camp Pendleton CA 6.70 060374002 North Long Beach CA 6.50 060792004 Mesa 2 /Nipomo CA 6.40 060731010 San Diego - Beardsley Street CA 5.20 060371201 Reseda CA 5.00 000030310 SYDNEY NS 5.00 000020401 SOUTHAMPTON PE 4.80 040134003 South Phoenix AZ 4.40 040138005 Estrella AZ 4.40 040130019 West Phoenix AZ 4.20 060371103 Los Angeles - N. Main Street CA 4.10 040191034 Coachline AZ 4.00 061112002 Simi Valley - Cochran Street CA 3.80 060639901 Quincy BAM CA 3.80 040139998 Vehicle Emissions Laboratory AZ 3.50 060290014 Bakersfield - 5558 California Ave CA 3.20 060271023 Bishop Paiute Tribe-CA CA 3.20 060190008 Fresno - 1st Street CA 3.00 060590007 Anaheim CA 2.90 040134010 Dysart AZ 2.80 061072002 Visalia - N. Church Street CA 2.70 061110009 Piru - Pacific CA 2.10 080130003 Longmont CO 2.10 040139812 Durango AZ 1.90 100032004 MLK DE 1.80 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 1.40 060890007 Anderson CA 1.30 060371002 Burbank - W. Palm Ave CA 1.10 150031001 Honolulu HI #coincidences 10-30 and Corr > 0.5 2.90 060651003 Riverside - Magnolia CA 2.70 150030010 Kapolei HI 0.90 060570005 Grass Valley CA 0.60 080350004 Chatfield Park - 11500 N. Roxborough Par CO Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 485.10 060571001 Truckee BAM CA 133.70 060310004 Corcoran CA 91.00 061010003 Yuba City CA 68.80 010030010 FAIRHOPE AL 54.80 060431001 Yosemite Village - Visitor Center CA 52.00 060290014 Bakersfield - 5558 California Ave CA 45.00 060610006 Roseville - N.Sunrise/Douglas CA 40.80 060410003 Point Reyes CA 39.30 060711004 Upland CA 35.90 060370016 Glendora - Laurel CA 35.00 090050005 Cornwall CT 34.80 060670010 Sacramento - T Street CA 34.50 061070009 Sequoia/Kings Canyon - Ash Mountain CA 30.20 060650012 Banning - South Hathaway Street CA 28.70 000040801 CANTERBURY NB 28.40 060371103 Los Angeles - N. Main Street CA 27.00 060659001 Lake Elsinore - W. Flint Street CA 25.40 000060512 Hamilton Downtown ON 25.00 090032006 East Hartford - High Street CT 24.80 060376012 Santa Clarita CA 24.60 000061004 Sarnia ON 24.40 060190008 Fresno - 1st Street CA 24.00 000060303 Kingston ON 23.70 110010043 McMillan Reservoir DC 23.50 131390003 Gainesville GA 23.50 000061302 St. Catharines ON 23.40 000061502 Kitchener ON 22.70 061112002 Simi Valley - Cochran Street CA 22.50 080410017 Colorado College CO 22.50 000061402 Brantford ON 22.30 130890002 South Dekalb GA 22.10 060590007 Anaheim CA 22.10 060371002 Burbank - W. Palm Ave CA 22.10 060250005 Calexico - Ethel Street CA 21.90 000054501 L'Assomption QC 21.50 090090027 New Haven - Criscuolo Park CT 21.50 000041302 BATHURST NB 21.40 000060424 Toronto Downtown ON 21.30 060731006 Alpine CA 21.10 010730023 NO. BHAM AL 21.00 090092123 Waterbury CT 21.00 000060204 Windsor Downtown ON 20.80 131850003 Valdosta GA 20.70 061072002 Visalia - N. Church Street CA 20.70 000054703 Bécancour (Aréna) QC 20.50 010732003 WYLAM AL 20.50 000061201 Cornwall ON 20.40 000060903 London ON 20.20 050350005 MARION AR 20.20 010731010 LEEDS AL 20.10 131530001 Warner Robins GA 20.10 000065401 Belleville ON 20.00 060710005 Lake Gregory - Crestline CA 19.90 061110009 Piru - Pacific CA 19.80 000061104 Peterborough ON 19.70 000065301 Port Stanley ON 19.10 010732006 HOOVER AL 19.10 000065001 Barrie ON 19.00 010731009 PROVIDENCE AL 18.90 060670012 Folsom CA 18.90 000051501 Zéphirin QC 18.80 132450091 AUGUSTA GA 18.80 130511002 Savannah L&A GA 18.80 000065701 Morrisburg ON 18.60 010331002 MSHOALS AL 18.40 121130015 Woodlawn FL 18.40 120230002 Lake City FL 18.40 060730003 El Cajon - Redwood Ave CA 18.40 000040203 FOREST HILLS NB 18.30 051390006 El Dorado AR 18.30 000063701 Grand Bend ON 18.20 120330004 Ellyson Industrial Park FL 18.10 000065801 Chatham ON 17.90 120730012 Tallahassee Community College FL 17.90 051191008 ADEQ-DSR AR 17.80 000052301 Saint-Faustin QC 17.70 131350002 Gwinnett Tech GA 17.70 130770002 NEWNAN GA 17.60 150011012 Kona HI 17.60 090011123 Danbury CT 17.50 121152002 Jackson Road FL 17.50 051190007 PARR AR 17.40 120470015 White Springs FL 17.40 060990005 Modesto - 14th Street CA 17.40 060371201 Reseda CA 17.40 060074001 Gridley CA 17.20 120952002 Lake Isle Estates FL 17.20 010735002 PINSON AL 17.00 120050006 St. Andrews Park FL 16.90 132230003 Yorkville GA 16.80 090050004 Thomaston CT 16.50 130210012 Macon GA 16.40 060731010 San Diego - Beardsley Street CA 16.40 000065201 Parry Sound ON 16.30 130590002 Athens FS # 7 GA 16.20 000063301 Dorset ON 16.00 000040302 MONCTON NB 15.90 000050801 Ursulines QC 15.80 060374002 North Long Beach CA 15.70 090110124 Groton Fort Griswold CT 15.60 132150008 Columbus Airport GA 15.50 131210055 Confederate Ave GA 15.50 120861016 Miami Fire Station #5 FL 15.30 131510002 McDonough GA 15.30 120590004 Bonifay FL 15.30 000054401 Saint-Anicet QC 15.20 061110007 Thousand Oaks - Moorpark Road CA 15.10 060010007 Livermore - Rincon CA 15.10 010735003 CORNER AL 14.80 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 14.80 060670006 Sacramento - Del Paso Manor CA 14.80 000090227 Calgary Central AB 14.70 060830011 Santa Barbara CA 14.50 040139812 Durango AZ 14.40 060731002 Escondido CA 14.30 120013011 Payne's Prarie FL 14.30 000062501 Tiverton ON 14.30 000060104 Ottawa ON 14.20 120310100 Mayo Clinic FL 14.20 060210002 Willows - E. Laurel Street CA 14.20 051430005 SPRNGDLE AR 14.20 000062001 North Bay ON 14.10 060070002 Chico - Manzanita CA 14.00 120310077 Sheffield Elementary School FL 14.00 080310013 Denver - NJH - 14th Ave. & Albion St. CO 13.80 121056006 Fl. Baptist Children's Home FL 13.70 121035002 John A. Chesnut Sr. Park FL 13.70 120310098 Mandarin FL 13.60 061131003 Woodland CA 13.60 060731008 Camp Pendleton CA 13.50 000090302 Red Deer AB 13.40 121275002 Blind Services; 1185-A Dunn Ave FL 13.40 121030018 Azalea FL 13.40 120990009 Royal Palm Beach FL 13.40 120210004 Laurel Oaks Elementary FL 13.30 120866001 Homestead Fire Station #16 FL 13.30 040191113 Geronimo AZ 12.90 120830003 YMC FL 12.80 121150013 Bee Ridge FL 12.80 060850005 San Jose - Jackson St. CA 12.80 000030701 AYLESFORD MOUNTAIN NS 12.60 060012004 Berkeley CA 12.60 000060609 Sudbury ON 12.40 080310025 Denver Animal Shelter - 678 S. Jason St. CO 12.20 132950002 Rossville GA 12.00 061130004 Davis CA 12.00 060010011 Oakland West CA 11.90 120090011 Fay Park FL 11.90 100032004 MLK DE 11.90 080310002 Denver - CAMP - 2105 Broadway CO 11.60 000060709 Sault Ste Marie ON 11.50 000100059 Grand Forks City Hall BC 11.40 120573002 SYDNEY FL 11.40 120570030 PCEIA3 FL 11.40 081230006 Greeley Hospital CO 11.30 120111002 DAVIE FL 11.30 120090007 Melbourne FL 11.30 060953002 Vacaville CA 11.20 000094301 Cold Lake South AB 11.20 000040103 FREDERICTON NB 11.10 080770017 Grand Junction - Powell Building CO 11.00 060950004 Vallejo - 304 Tuolumne Street CA 10.90 060271023 Bishop Paiute Tribe-CA CA 10.80 060959999 Rio Vista CA 10.70 000020104 CHARLOTTETOWN PE 10.60 061111004 Ojai - Ojai Ave. CA 10.60 060890007 Anderson CA 10.60 000090121 Edmonton East AB 10.50 000090120 Edmonton South AB 10.40 060550003 Napa - Jefferson St CA 10.30 000090222 Calgary Northwest AB 10.00 080010006 Commerce City - 7101 Birch St. CO 10.00 040191032 Rose Elementary AZ 9.90 040191030 Green Valley AZ 9.70 150012016 Pahala HI 9.60 061113001 El Rio - Rio Mesa School #2 CA 9.60 000090218 Calgary East AB 9.50 060832004 Lompoc H Street CA 9.40 060792004 Mesa 2 /Nipomo CA 9.30 060670011 Elk Grove CA 9.30 000040207 SAINT JOHN WEST NB 9.20 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 9.10 000090502 Lethbridge AB 8.70 000030310 SYDNEY NS 8.60 000040209 CASTLE ST. SAINT JO NB 8.50 000090130 Edmonton Central AB 8.00 000091901 Caroline AB 7.90 000090601 Fort Saskatchewan AB 7.90 000020301 WELLINGTON PE 7.80 060798001 Atascadero CA 7.80 040134010 Dysart AZ 7.80 000020401 SOUTHAMPTON PE 7.60 040191034 Coachline AZ 7.50 080131001 Boulder - CU - 2102 Athens St. CO 7.00 040130019 West Phoenix AZ 6.80 040139998 Vehicle Emissions Laboratory AZ 6.50 040134003 South Phoenix AZ 6.00 080130003 Longmont CO 5.80 040138005 Estrella AZ 5.10 150031001 Honolulu HI 4.60 150012017 Mountain View HI 4.40 150011006 Hilo HI 4.40 060639901 Quincy BAM CA #coincidences 10-30 and Corr > 0.5 40.80 060651003 Riverside - Magnolia CA 28.90 060658001 Riverside - Rubidoux CA 19.40 011011002 MONTG AL 16.40 010731005 MCADORY AL 12.60 080350004 Chatfield Park - 11500 N. Roxborough Par CO 7.20 000100010 Creston PC School BC 6.90 060570005 Grass Valley CA 6.60 000091101 Elk Island AB 4.60 150030010 Kapolei HI Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 36.10 060731010 San Diego - Beardsley Street CA 36.00 061113001 El Rio - Rio Mesa School #2 CA 36.00 061111004 Ojai - Ojai Ave. CA 36.00 060832004 Lompoc H Street CA 36.00 060830011 Santa Barbara CA 16.80 061131003 Woodland CA 16.80 061130004 Davis CA 16.80 060959999 Rio Vista CA 16.80 060953002 Vacaville CA 16.80 060950004 Vallejo - 304 Tuolumne Street CA 16.80 060850005 San Jose - Jackson St. CA 16.80 060670012 Folsom CA 16.80 060670011 Elk Grove CA 16.80 060670010 Sacramento - T Street CA 16.80 060670006 Sacramento - Del Paso Manor CA 16.80 060610006 Roseville - N.Sunrise/Douglas CA 16.80 060550003 Napa - Jefferson St CA 16.80 060410003 Point Reyes CA 16.80 060012004 Berkeley CA 16.80 060010011 Oakland West CA 16.80 060010007 Livermore - Rincon CA 15.30 040191034 Coachline AZ 13.80 040139998 Vehicle Emissions Laboratory AZ 13.80 040139812 Durango AZ 13.80 040138005 Estrella AZ 13.80 040134010 Dysart AZ 13.80 040134003 South Phoenix AZ 13.80 040130019 West Phoenix AZ 11.10 061112002 Simi Valley - Cochran Street CA 11.10 061110009 Piru - Pacific CA 11.10 061110007 Thousand Oaks - Moorpark Road CA 11.10 060731008 Camp Pendleton CA 11.10 060731002 Escondido CA 11.10 060711004 Upland CA 11.10 060710005 Lake Gregory - Crestline CA 11.10 060659001 Lake Elsinore - W. Flint Street CA 11.10 060658001 Riverside - Rubidoux CA 11.10 060651003 Riverside - Magnolia CA 11.10 060590007 Anaheim CA 11.10 060376012 Santa Clarita CA 11.10 060374002 North Long Beach CA 11.10 060371201 Reseda CA 11.10 060371103 Los Angeles - N. Main Street CA 11.10 060371002 Burbank - W. Palm Ave CA 11.10 060370016 Glendora - Laurel CA 10.70 060650012 Banning - South Hathaway Street CA 9.00 000010401 Mount Pearl NF 8.90 000065001 Barrie ON 8.90 000061502 Kitchener ON 8.90 000061402 Brantford ON 8.90 000061302 St. Catharines ON 8.90 000060512 Hamilton Downtown ON 8.90 000060424 Toronto Downtown ON 8.80 121275002 Blind Services; 1185-A Dunn Ave FL 8.80 120830003 YMC FL 8.80 120470015 White Springs FL 8.80 120310100 Mayo Clinic FL 8.80 120310098 Mandarin FL 8.80 120310077 Sheffield Elementary School FL 8.80 120230002 Lake City FL 8.80 120013011 Payne's Prarie FL 8.70 061072002 Visalia - N. Church Street CA 8.70 060798001 Atascadero CA 8.70 060792004 Mesa 2 /Nipomo CA 8.70 060310004 Corcoran CA 8.70 060290014 Bakersfield - 5558 California Ave CA 8.70 060190008 Fresno - 1st Street CA 8.10 040191113 Geronimo AZ 8.10 040191032 Rose Elementary AZ 8.10 040191030 Green Valley AZ 7.90 000030310 SYDNEY NS 7.60 121130015 Woodlawn FL 7.60 120330004 Ellyson Industrial Park FL 7.60 010030010 FAIRHOPE AL 7.00 000060709 Sault Ste Marie ON 6.80 061010003 Yuba City CA 6.80 060890007 Anderson CA 6.80 060570005 Grass Valley CA 6.80 060210002 Willows - E. Laurel Street CA 6.80 060074001 Gridley CA 6.80 060070002 Chico - Manzanita CA 6.10 050350005 MARION AR 6.10 000065801 Chatham ON 6.10 000065301 Port Stanley ON 6.10 000061004 Sarnia ON 6.10 000060903 London ON 6.00 100032004 MLK DE 6.00 090110124 Groton Fort Griswold CT 6.00 090090027 New Haven - Criscuolo Park CT 6.00 090032006 East Hartford - High Street CT 5.50 010731009 PROVIDENCE AL 5.50 010731005 MCADORY AL 5.50 010331002 MSHOALS AL 5.00 000061201 Cornwall ON 5.00 000054703 Bécancour (Aréna) QC 5.00 000054501 L'Assomption QC 5.00 000054401 Saint-Anicet QC 5.00 000052301 Saint-Faustin QC 5.00 000051501 Zéphirin QC 5.00 000050801 Ursulines QC 4.90 000065401 Belleville ON 4.90 000063701 Grand Bend ON 4.90 000062501 Tiverton ON 4.90 000061104 Peterborough ON 4.80 132150008 Columbus Airport GA 4.80 131530001 Warner Robins GA 4.80 130210012 Macon GA 4.70 121152002 Jackson Road FL 4.70 121150013 Bee Ridge FL 4.70 121056006 Fl. Baptist Children's Home FL 4.70 121035002 John A. Chesnut Sr. Park FL 4.70 121030018 Azalea FL 4.70 120952002 Lake Isle Estates FL 4.70 120573002 SYDNEY FL 4.70 120570030 PCEIA3 FL 4.70 060731006 Alpine CA 4.70 060730003 El Cajon - Redwood Ave CA 4.70 060250005 Calexico - Ethel Street CA 4.60 000060204 Windsor Downtown ON 4.40 090092123 Waterbury CT 4.40 090050005 Cornwall CT 4.40 090050004 Thomaston CT 4.40 090011123 Danbury CT 4.40 000020401 SOUTHAMPTON PE 4.20 131510002 McDonough GA 4.20 131390003 Gainesville GA 4.20 131350002 Gwinnett Tech GA 4.20 131210055 Confederate Ave GA 4.20 130890002 South Dekalb GA 4.20 130770002 NEWNAN GA 4.20 130590002 Athens FS # 7 GA 4.00 060990005 Modesto - 14th Street CA 4.00 060431001 Yosemite Village - Visitor Center CA 4.00 051390006 El Dorado AR 4.00 051191008 ADEQ-DSR AR 4.00 051190007 PARR AR 3.80 120590004 Bonifay FL 3.80 120050006 St. Andrews Park FL 3.70 130511002 Savannah L&A GA 3.60 000065701 Morrisburg ON 3.60 000060303 Kingston ON 3.50 132450091 AUGUSTA GA 3.40 000065201 Parry Sound ON 3.40 000062001 North Bay ON 3.40 000060609 Sudbury ON 3.20 131850003 Valdosta GA 3.20 120730012 Tallahassee Community College FL 3.20 000040901 ST ANDREWS NB 3.20 000040801 CANTERBURY NB 3.10 000060104 Ottawa ON 3.10 000041302 BATHURST NB 3.00 000090601 Fort Saskatchewan AB 3.00 000090130 Edmonton Central AB 3.00 000090121 Edmonton East AB 3.00 000090120 Edmonton South AB 2.80 132950002 Rossville GA 2.80 132230003 Yorkville GA 2.80 110010043 McMillan Reservoir DC 2.80 011011002 MONTG AL 2.80 010735003 CORNER AL 2.80 010735002 PINSON AL 2.80 010732006 HOOVER AL 2.80 010732003 WYLAM AL 2.80 010731010 LEEDS AL 2.80 010730023 NO. BHAM AL 2.80 000091901 Caroline AB 2.80 000090302 Red Deer AB 2.80 000090227 Calgary Central AB 2.80 000090222 Calgary Northwest AB 2.80 000090218 Calgary East AB 2.70 000040209 CASTLE ST. SAINT JO NB 2.70 000040207 SAINT JOHN WEST NB 2.70 000040203 FOREST HILLS NB 2.70 000040103 FREDERICTON NB 2.30 081230006 Greeley Hospital CO 2.30 080310025 Denver Animal Shelter - 678 S. Jason St. CO 2.30 080310013 Denver - NJH - 14th Ave. & Albion St. CO 2.30 080310002 Denver - CAMP - 2105 Broadway CO 2.30 080010006 Commerce City - 7101 Birch St. CO 2.30 060639901 Quincy BAM CA 2.30 060571001 Truckee BAM CA 2.30 000063301 Dorset ON 2.30 000040302 MONCTON NB 2.30 000030701 AYLESFORD MOUNTAIN NS 2.30 000020301 WELLINGTON PE 2.30 000020104 CHARLOTTETOWN PE 2.20 061070009 Sequoia/Kings Canyon - Ash Mountain CA 2.20 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 1.90 120090011 Fay Park FL 1.90 120090007 Melbourne FL 1.80 120990009 Royal Palm Beach FL 1.80 120866001 Homestead Fire Station #16 FL 1.80 120861016 Miami Fire Station #5 FL 1.80 120111002 DAVIE FL 1.80 080350004 Chatfield Park - 11500 N. Roxborough Par CO 1.80 080131001 Boulder - CU - 2102 Athens St. CO 1.80 080130003 Longmont CO 1.70 080770017 Grand Junction - Powell Building CO 1.70 051430005 SPRNGDLE AR 1.70 000100059 Grand Forks City Hall BC 1.60 120210004 Laurel Oaks Elementary FL 1.40 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 1.40 150031001 Honolulu HI 1.40 150030010 Kapolei HI 1.40 060271023 Bishop Paiute Tribe-CA CA 1.40 000100010 Creston PC School BC 1.30 080410017 Colorado College CO 1.20 000090502 Lethbridge AB 1.10 150012017 Mountain View HI 1.10 150012016 Pahala HI 1.10 150011012 Kona HI 1.10 150011006 Hilo HI 1.00 000091101 Elk Island AB 0.80 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)