Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.59 131390003 Gainesville GA 0.58 120866001 Homestead Fire Station #16 FL 0.58 120330004 Ellyson Industrial Park FL 0.55 132150008 Columbus Airport GA 0.55 120013011 Payne's Prarie FL 0.53 000040103 FREDERICTON NB 0.52 121130015 Woodlawn FL 0.51 130890002 South Dekalb GA 0.51 130511002 Savannah L&A GA 0.51 090050004 Thomaston CT #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 0.90 120866001 Homestead Fire Station #16 FL 0.89 132150008 Columbus Airport GA 0.87 131390003 Gainesville GA 0.84 132450091 AUGUSTA GA 0.83 130210012 Macon GA 0.81 130890002 South Dekalb GA 0.81 120861016 Miami Fire Station #5 FL 0.80 131210055 Confederate Ave GA 0.79 130590002 Athens FS # 7 GA 0.79 130511002 Savannah L&A GA 0.74 121152002 Jackson Road FL 0.74 061111004 Ojai - Ojai Ave. CA 0.70 130770002 NEWNAN GA 0.68 060890007 Anderson CA 0.68 060376012 Santa Clarita CA 0.67 131530001 Warner Robins GA 0.67 131350002 Gwinnett Tech GA 0.67 121130015 Woodlawn FL 0.67 010331002 MSHOALS AL 0.66 120330004 Ellyson Industrial Park FL 0.64 090032006 East Hartford - High Street CT 0.63 090110124 Groton Fort Griswold CT 0.62 131850003 Valdosta GA 0.62 040191030 Green Valley AZ 0.60 090090027 New Haven - Criscuolo Park CT 0.60 000065801 Chatham ON 0.60 000060903 London ON 0.59 131510002 McDonough GA 0.58 010731005 MCADORY AL 0.58 000054703 Bécancour (Aréna) QC 0.57 000061004 Sarnia ON 0.57 000040103 FREDERICTON NB 0.56 132230003 Yorkville GA 0.56 000065301 Port Stanley ON 0.55 120013011 Payne's Prarie FL 0.55 061113001 El Rio - Rio Mesa School #2 CA 0.54 060374002 North Long Beach CA 0.53 120730012 Tallahassee Community College FL 0.52 120990009 Royal Palm Beach FL 0.52 060070002 Chico - Manzanita CA 0.51 090050005 Cornwall CT 0.51 060832004 Lompoc H Street CA 0.50 000051501 Zéphirin QC #coincidences 10-30 and Corr > 0.5 0.84 000040901 ST ANDREWS NB 0.81 132950002 Rossville GA 0.76 150030010 Kapolei HI 0.68 060658001 Riverside - Rubidoux CA Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 14.20 060832004 Lompoc H Street CA 14.10 061113001 El Rio - Rio Mesa School #2 CA 13.70 061111004 Ojai - Ojai Ave. CA 12.80 060670011 Elk Grove CA 11.60 060959999 Rio Vista CA 11.00 060953002 Vacaville CA 10.40 060550003 Napa - Jefferson St CA 10.20 060950004 Vallejo - 304 Tuolumne Street CA 9.90 061130004 Davis CA 9.30 060830011 Santa Barbara CA 9.30 060010011 Oakland West CA 9.20 060850005 San Jose - Jackson St. CA 9.00 061131003 Woodland CA 8.50 040130019 West Phoenix AZ 8.40 060731008 Camp Pendleton CA 8.40 040138005 Estrella AZ 7.90 040191034 Coachline AZ 7.70 060012004 Berkeley CA 7.60 060731002 Escondido CA 7.40 060010007 Livermore - Rincon CA 7.40 040139998 Vehicle Emissions Laboratory AZ 7.30 040134003 South Phoenix AZ 7.00 060670006 Sacramento - Del Paso Manor CA 6.90 040134010 Dysart AZ 6.80 100032004 MLK DE 6.70 061110007 Thousand Oaks - Moorpark Road CA 6.70 060374002 North Long Beach CA 6.10 060792004 Mesa 2 /Nipomo CA 6.10 000030310 SYDNEY NS 5.70 000020401 SOUTHAMPTON PE 5.40 060731010 San Diego - Beardsley Street CA 4.40 060271023 Bishop Paiute Tribe-CA CA 3.30 060639901 Quincy BAM CA 2.80 061110009 Piru - Pacific CA 2.80 060371201 Reseda CA 2.50 060710005 Lake Gregory - Crestline CA 2.00 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 0.90 000020301 WELLINGTON PE 0.80 150031001 Honolulu HI #coincidences 10-30 and Corr > 0.5 3.60 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 15.00 061111004 Ojai - Ojai Ave. CA 14.80 061113001 El Rio - Rio Mesa School #2 CA 14.50 060832004 Lompoc H Street CA 12.80 060670012 Folsom CA 12.10 060010007 Livermore - Rincon CA 12.00 060959999 Rio Vista CA 12.00 060670010 Sacramento - T Street CA 11.80 060550003 Napa - Jefferson St CA 11.70 060670011 Elk Grove CA 11.40 060670006 Sacramento - Del Paso Manor CA 11.30 060950004 Vallejo - 304 Tuolumne Street CA 11.20 060830011 Santa Barbara CA 11.10 060410003 Point Reyes CA 10.90 060953002 Vacaville CA 10.20 060850005 San Jose - Jackson St. CA 9.90 061130004 Davis CA 9.80 060798001 Atascadero CA 9.40 060010011 Oakland West CA 9.30 061131003 Woodland CA 9.30 061110007 Thousand Oaks - Moorpark Road CA 9.30 060012004 Berkeley CA 8.60 060374002 North Long Beach CA 8.00 060710005 Lake Gregory - Crestline CA 7.80 060610006 Roseville - N.Sunrise/Douglas CA 7.50 060731008 Camp Pendleton CA 7.00 060731002 Escondido CA 6.40 060792004 Mesa 2 /Nipomo CA 5.80 060731010 San Diego - Beardsley Street CA 5.20 060371201 Reseda CA 5.20 040130019 West Phoenix AZ 5.00 000020401 SOUTHAMPTON PE 4.90 000030310 SYDNEY NS 4.80 040134003 South Phoenix AZ 4.60 061112002 Simi Valley - Cochran Street CA 4.60 040138005 Estrella AZ 4.30 040191034 Coachline AZ 4.10 060371103 Los Angeles - N. Main Street CA 4.00 061110009 Piru - Pacific CA 3.90 060639901 Quincy BAM CA 3.90 040139998 Vehicle Emissions Laboratory AZ 3.70 100032004 MLK DE 3.70 060590007 Anaheim CA 3.60 061072002 Visalia - N. Church Street CA 3.50 060290014 Bakersfield - 5558 California Ave CA 3.50 060271023 Bishop Paiute Tribe-CA CA 3.20 060190008 Fresno - 1st Street CA 3.20 040134010 Dysart AZ 2.60 040139812 Durango AZ 2.20 060890007 Anderson CA 2.00 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 1.20 060371002 Burbank - W. Palm Ave CA 0.60 150031001 Honolulu HI 0.50 150011006 Hilo HI 0.50 060659001 Lake Elsinore - W. Flint Street CA #coincidences 10-30 and Corr > 0.5 2.40 080130003 Longmont CO 2.10 060651003 Riverside - Magnolia CA 2.00 150030010 Kapolei HI 0.50 060570005 Grass Valley CA Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 484.70 060571001 Truckee BAM CA 80.30 010030010 FAIRHOPE AL 78.90 061010003 Yuba City CA 50.40 060431001 Yosemite Village - Visitor Center CA 48.20 060290014 Bakersfield - 5558 California Ave CA 46.80 060310004 Corcoran CA 42.20 060670012 Folsom CA 41.10 060798001 Atascadero CA 39.40 060711004 Upland CA 38.20 060610006 Roseville - N.Sunrise/Douglas CA 36.30 060410003 Point Reyes CA 35.80 060370016 Glendora - Laurel CA 35.50 090050005 Cornwall CT 35.10 061070009 Sequoia/Kings Canyon - Ash Mountain CA 31.80 060670010 Sacramento - T Street CA 30.90 000040801 CANTERBURY NB 29.80 060371103 Los Angeles - N. Main Street CA 28.10 060650012 Banning - South Hathaway Street CA 26.00 060659001 Lake Elsinore - W. Flint Street CA 25.50 000061004 Sarnia ON 25.00 131390003 Gainesville GA 24.90 060376012 Santa Clarita CA 24.40 000060303 Kingston ON 24.30 000060512 Hamilton Downtown ON 24.20 000061502 Kitchener ON 23.50 000061302 St. Catharines ON 23.10 060371002 Burbank - W. Palm Ave CA 22.90 060190008 Fresno - 1st Street CA 22.90 000061402 Brantford ON 22.70 130890002 South Dekalb GA 22.50 061112002 Simi Valley - Cochran Street CA 22.20 090032006 East Hartford - High Street CT 21.80 060590007 Anaheim CA 21.70 060731006 Alpine CA 21.70 010730023 NO. BHAM AL 21.20 010732003 WYLAM AL 21.10 060250005 Calexico - Ethel Street CA 20.90 131850003 Valdosta GA 20.90 000054501 L'Assomption QC 20.80 132450091 AUGUSTA GA 20.70 090090027 New Haven - Criscuolo Park CT 20.30 131530001 Warner Robins GA 20.00 000054703 Bécancour (Aréna) QC 19.80 000041302 BATHURST NB 19.70 050350005 MARION AR 19.60 010731010 LEEDS AL 19.60 000065401 Belleville ON 19.60 000060204 Windsor Downtown ON 19.50 010331002 MSHOALS AL 19.50 000061201 Cornwall ON 19.50 000060424 Toronto Downtown ON 19.40 010732006 HOOVER AL 19.20 060710005 Lake Gregory - Crestline CA 19.00 061110009 Piru - Pacific CA 19.00 010731009 PROVIDENCE AL 18.90 000060903 London ON 18.80 061072002 Visalia - N. Church Street CA 18.80 060371201 Reseda CA 18.70 121152002 Jackson Road FL 18.60 130511002 Savannah L&A GA 18.60 110010043 McMillan Reservoir DC 18.60 000061104 Peterborough ON 18.30 120230002 Lake City FL 18.30 051191008 ADEQ-DSR AR 18.30 000065001 Barrie ON 18.20 090092123 Waterbury CT 18.20 000040203 FOREST HILLS NB 18.10 130770002 NEWNAN GA 18.10 000065301 Port Stanley ON 18.00 120330004 Ellyson Industrial Park FL 18.00 000065701 Morrisburg ON 17.70 132230003 Yorkville GA 17.70 131350002 Gwinnett Tech GA 17.70 051190007 PARR AR 17.50 051390006 El Dorado AR 17.50 010735002 PINSON AL 17.40 060990005 Modesto - 14th Street CA 17.40 000063701 Grand Bend ON 17.20 000065801 Chatham ON 17.10 150011012 Kona HI 17.10 120730012 Tallahassee Community College FL 17.10 120470015 White Springs FL 17.00 060074001 Gridley CA 16.90 000051501 Zéphirin QC 16.80 121130015 Woodlawn FL 16.80 010731005 MCADORY AL 16.50 090011123 Danbury CT 16.40 010735003 CORNER AL 16.30 132150008 Columbus Airport GA 16.10 120050006 St. Andrews Park FL 15.90 130590002 Athens FS # 7 GA 15.90 060731010 San Diego - Beardsley Street CA 15.90 000052301 Saint-Faustin QC 15.70 131210055 Confederate Ave GA 15.70 000065201 Parry Sound ON 15.60 130210012 Macon GA 15.50 000050801 Ursulines QC 15.30 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 15.20 000063301 Dorset ON 15.20 000040302 MONCTON NB 15.10 120952002 Lake Isle Estates FL 15.10 090110124 Groton Fort Griswold CT 15.10 040139812 Durango AZ 15.00 131510002 McDonough GA 15.00 061110007 Thousand Oaks - Moorpark Road CA 15.00 060731002 Escondido CA 15.00 060374002 North Long Beach CA 14.90 120590004 Bonifay FL 14.80 060670006 Sacramento - Del Paso Manor CA 14.70 120861016 Miami Fire Station #5 FL 14.70 090050004 Thomaston CT 14.60 060830011 Santa Barbara CA 14.60 051430005 SPRNGDLE AR 14.60 000090227 Calgary Central AB 14.40 000060104 Ottawa ON 14.40 000054401 Saint-Anicet QC 14.00 080310013 Denver - NJH - 14th Ave. & Albion St. CO 13.90 060210002 Willows - E. Laurel Street CA 13.90 060010007 Livermore - Rincon CA 13.90 000062501 Tiverton ON 13.60 120310077 Sheffield Elementary School FL 13.60 060070002 Chico - Manzanita CA 13.50 120310100 Mayo Clinic FL 13.30 120830003 YMC FL 13.30 060731008 Camp Pendleton CA 13.10 000090302 Red Deer AB 13.00 080310025 Denver Animal Shelter - 678 S. Jason St. CO 12.90 120310098 Mandarin FL 12.90 060012004 Berkeley CA 12.80 121056006 Fl. Baptist Children's Home FL 12.80 121030018 Azalea FL 12.80 061131003 Woodland CA 12.80 040191113 Geronimo AZ 12.70 120866001 Homestead Fire Station #16 FL 12.70 120013011 Payne's Prarie FL 12.60 121275002 Blind Services; 1185-A Dunn Ave FL 12.60 000062001 North Bay ON 12.30 121150013 Bee Ridge FL 12.30 121035002 John A. Chesnut Sr. Park FL 12.20 120990009 Royal Palm Beach FL 12.20 060850005 San Jose - Jackson St. CA 12.00 060010011 Oakland West CA 11.90 120210004 Laurel Oaks Elementary FL 11.90 080310002 Denver - CAMP - 2105 Broadway CO 11.90 061130004 Davis CA 11.80 000040103 FREDERICTON NB 11.50 000030701 AYLESFORD MOUNTAIN NS 11.30 060950004 Vallejo - 304 Tuolumne Street CA 11.30 060792004 Mesa 2 /Nipomo CA 11.30 000060609 Sudbury ON 11.20 120570030 PCEIA3 FL 11.10 120090011 Fay Park FL 11.10 000060709 Sault Ste Marie ON 10.90 081230006 Greeley Hospital CO 10.90 060953002 Vacaville CA 10.80 120573002 SYDNEY FL 10.80 060271023 Bishop Paiute Tribe-CA CA 10.80 000091901 Caroline AB 10.70 000100059 Grand Forks City Hall BC 10.70 000020104 CHARLOTTETOWN PE 10.60 000090121 Edmonton East AB 10.40 000090120 Edmonton South AB 10.30 061111004 Ojai - Ojai Ave. CA 10.30 060550003 Napa - Jefferson St CA 10.20 060890007 Anderson CA 10.10 000094301 Cold Lake South AB 9.90 100032004 MLK DE 9.90 061113001 El Rio - Rio Mesa School #2 CA 9.80 040191030 Green Valley AZ 9.70 060832004 Lompoc H Street CA 9.60 040191032 Rose Elementary AZ 9.60 000090222 Calgary Northwest AB 9.50 120090007 Melbourne FL 9.50 000090218 Calgary East AB 9.40 080010006 Commerce City - 7101 Birch St. CO 9.40 060959999 Rio Vista CA 9.40 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 9.30 150012016 Pahala HI 9.00 060670011 Elk Grove CA 8.90 000090502 Lethbridge AB 8.80 000040209 CASTLE ST. SAINT JO NB 8.80 000040207 SAINT JOHN WEST NB 8.80 000030310 SYDNEY NS 8.40 000090130 Edmonton Central AB 7.90 000090601 Fort Saskatchewan AB 7.80 080131001 Boulder - CU - 2102 Athens St. CO 7.70 000020401 SOUTHAMPTON PE 7.50 000020301 WELLINGTON PE 7.20 040134010 Dysart AZ 6.80 040191034 Coachline AZ 6.80 040130019 West Phoenix AZ 6.70 040139998 Vehicle Emissions Laboratory AZ 6.60 040134003 South Phoenix AZ 5.70 040138005 Estrella AZ 5.20 150031001 Honolulu HI 4.70 150012017 Mountain View HI 4.60 150011006 Hilo HI 4.40 060639901 Quincy BAM CA #coincidences 10-30 and Corr > 0.5 34.60 060651003 Riverside - Magnolia CA 31.50 060658001 Riverside - Rubidoux CA 20.20 080410017 Colorado College CO 19.00 011011002 MONTG AL 18.90 060730003 El Cajon - Redwood Ave CA 17.60 080350004 Chatfield Park - 11500 N. Roxborough Par CO 12.20 132950002 Rossville GA 11.10 000010301 Cornerbrook NF 10.10 120111002 DAVIE FL 10.00 080770017 Grand Junction - Powell Building CO 8.50 000040901 ST ANDREWS NB 7.30 000100010 Creston PC School BC 6.80 060570005 Grass Valley CA 6.60 080130003 Longmont CO 6.60 000091101 Elk Island AB 4.50 150030010 Kapolei HI Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 35.30 061113001 El Rio - Rio Mesa School #2 CA 35.30 061111004 Ojai - Ojai Ave. CA 35.30 060832004 Lompoc H Street CA 35.30 060830011 Santa Barbara CA 27.80 060731010 San Diego - Beardsley Street CA 17.30 000030310 SYDNEY NS 16.00 061131003 Woodland CA 16.00 061130004 Davis CA 16.00 060959999 Rio Vista CA 16.00 060953002 Vacaville CA 16.00 060950004 Vallejo - 304 Tuolumne Street CA 16.00 060850005 San Jose - Jackson St. CA 16.00 060670012 Folsom CA 16.00 060670011 Elk Grove CA 16.00 060670010 Sacramento - T Street CA 16.00 060670006 Sacramento - Del Paso Manor CA 16.00 060610006 Roseville - N.Sunrise/Douglas CA 16.00 060550003 Napa - Jefferson St CA 16.00 060410003 Point Reyes CA 16.00 060012004 Berkeley CA 16.00 060010011 Oakland West CA 16.00 060010007 Livermore - Rincon CA 15.50 000020401 SOUTHAMPTON PE 14.70 000010401 Mount Pearl NF 12.30 061112002 Simi Valley - Cochran Street CA 12.30 061110009 Piru - Pacific CA 12.30 061110007 Thousand Oaks - Moorpark Road CA 12.30 060731008 Camp Pendleton CA 12.30 060731002 Escondido CA 12.30 060711004 Upland CA 12.30 060710005 Lake Gregory - Crestline CA 12.30 060659001 Lake Elsinore - W. Flint Street CA 12.30 060658001 Riverside - Rubidoux CA 12.30 060651003 Riverside - Magnolia CA 12.30 060590007 Anaheim CA 12.30 060376012 Santa Clarita CA 12.30 060374002 North Long Beach CA 12.30 060371201 Reseda CA 12.30 060371103 Los Angeles - N. Main Street CA 12.30 060371002 Burbank - W. Palm Ave CA 12.30 060370016 Glendora - Laurel CA 10.90 040139998 Vehicle Emissions Laboratory AZ 10.90 040139812 Durango AZ 10.90 040138005 Estrella AZ 10.90 040134010 Dysart AZ 10.90 040134003 South Phoenix AZ 10.90 040130019 West Phoenix AZ 10.80 040191034 Coachline AZ 9.70 061072002 Visalia - N. Church Street CA 9.70 060798001 Atascadero CA 9.70 060792004 Mesa 2 /Nipomo CA 9.70 060310004 Corcoran CA 9.70 060290014 Bakersfield - 5558 California Ave CA 9.70 060190008 Fresno - 1st Street CA 9.60 120990009 Royal Palm Beach FL 9.60 120866001 Homestead Fire Station #16 FL 9.60 120861016 Miami Fire Station #5 FL 9.60 120111002 DAVIE FL 7.40 060650012 Banning - South Hathaway Street CA 7.20 000010301 Cornerbrook NF 6.20 060731006 Alpine CA 6.20 060730003 El Cajon - Redwood Ave CA 6.20 060250005 Calexico - Ethel Street CA 5.90 121275002 Blind Services; 1185-A Dunn Ave FL 5.90 120830003 YMC FL 5.90 120470015 White Springs FL 5.90 120310100 Mayo Clinic FL 5.90 120310098 Mandarin FL 5.90 120310077 Sheffield Elementary School FL 5.90 120230002 Lake City FL 5.90 120013011 Payne's Prarie FL 5.80 120090011 Fay Park FL 5.80 120090007 Melbourne FL 5.80 061010003 Yuba City CA 5.80 060890007 Anderson CA 5.80 060570005 Grass Valley CA 5.80 060210002 Willows - E. Laurel Street CA 5.80 060074001 Gridley CA 5.80 060070002 Chico - Manzanita CA 5.20 000040209 CASTLE ST. SAINT JO NB 5.20 000040207 SAINT JOHN WEST NB 5.20 000040203 FOREST HILLS NB 5.20 000040103 FREDERICTON NB 5.10 131850003 Valdosta GA 5.10 120730012 Tallahassee Community College FL 4.90 000040302 MONCTON NB 4.90 000030701 AYLESFORD MOUNTAIN NS 4.90 000020301 WELLINGTON PE 4.90 000020104 CHARLOTTETOWN PE 4.50 120210004 Laurel Oaks Elementary FL 4.00 060990005 Modesto - 14th Street CA 4.00 060431001 Yosemite Village - Visitor Center CA 3.70 132150008 Columbus Airport GA 3.70 131530001 Warner Robins GA 3.70 130511002 Savannah L&A GA 3.70 130210012 Macon GA 3.70 000063701 Grand Bend ON 3.70 000062501 Tiverton ON 3.50 090092123 Waterbury CT 3.50 090050005 Cornwall CT 3.50 090050004 Thomaston CT 3.50 090011123 Danbury CT 3.50 000090601 Fort Saskatchewan AB 3.50 000090130 Edmonton Central AB 3.50 000090121 Edmonton East AB 3.50 000090120 Edmonton South AB 3.40 000091901 Caroline AB 3.40 000090302 Red Deer AB 3.40 000090227 Calgary Central AB 3.40 000090222 Calgary Northwest AB 3.40 000090218 Calgary East AB 3.30 121152002 Jackson Road FL 3.30 121150013 Bee Ridge FL 3.30 121056006 Fl. Baptist Children's Home FL 3.30 121035002 John A. Chesnut Sr. Park FL 3.30 121030018 Azalea FL 3.30 120952002 Lake Isle Estates FL 3.30 120573002 SYDNEY FL 3.30 120570030 PCEIA3 FL 3.20 100032004 MLK DE 3.10 131510002 McDonough GA 3.10 131390003 Gainesville GA 3.10 131350002 Gwinnett Tech GA 3.10 131210055 Confederate Ave GA 3.10 130890002 South Dekalb GA 3.10 130770002 NEWNAN GA 3.10 130590002 Athens FS # 7 GA 3.00 000100059 Grand Forks City Hall BC 2.90 121130015 Woodlawn FL 2.90 120330004 Ellyson Industrial Park FL 2.90 010030010 FAIRHOPE AL 2.60 132450091 AUGUSTA GA 2.60 120590004 Bonifay FL 2.60 120050006 St. Andrews Park FL 2.60 090110124 Groton Fort Griswold CT 2.60 090090027 New Haven - Criscuolo Park CT 2.60 090032006 East Hartford - High Street CT 2.60 000065001 Barrie ON 2.60 000061502 Kitchener ON 2.60 000061402 Brantford ON 2.60 000061302 St. Catharines ON 2.60 000060512 Hamilton Downtown ON 2.60 000060424 Toronto Downtown ON 2.50 000100010 Creston PC School BC 2.40 000091101 Elk Island AB 2.30 051390006 El Dorado AR 2.30 051191008 ADEQ-DSR AR 2.30 051190007 PARR AR 2.30 011011002 MONTG AL 2.30 000090502 Lethbridge AB 2.20 081230006 Greeley Hospital CO 2.20 080310025 Denver Animal Shelter - 678 S. Jason St. CO 2.20 080310013 Denver - NJH - 14th Ave. & Albion St. CO 2.20 080310002 Denver - CAMP - 2105 Broadway CO 2.20 080010006 Commerce City - 7101 Birch St. CO 2.20 061070009 Sequoia/Kings Canyon - Ash Mountain CA 2.20 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 2.20 000065801 Chatham ON 2.20 000065301 Port Stanley ON 2.20 000061004 Sarnia ON 2.20 000060903 London ON 2.10 010731009 PROVIDENCE AL 2.10 010731005 MCADORY AL 2.10 010331002 MSHOALS AL 2.10 000060709 Sault Ste Marie ON 2.00 110010043 McMillan Reservoir DC 2.00 080770017 Grand Junction - Powell Building CO 2.00 080350004 Chatfield Park - 11500 N. Roxborough Par CO 2.00 080131001 Boulder - CU - 2102 Athens St. CO 2.00 080130003 Longmont CO 1.90 060271023 Bishop Paiute Tribe-CA CA 1.90 000094301 Cold Lake South AB 1.90 000054703 Bécancour (Aréna) QC 1.90 000051501 Zéphirin QC 1.90 000050801 Ursulines QC 1.80 060639901 Quincy BAM CA 1.80 060571001 Truckee BAM CA 1.80 050350005 MARION AR 1.80 000040901 ST ANDREWS NB 1.80 000040801 CANTERBURY NB 1.70 000061201 Cornwall ON 1.70 000060204 Windsor Downtown ON 1.70 000054501 L'Assomption QC 1.70 000054401 Saint-Anicet QC 1.70 000052301 Saint-Faustin QC 1.60 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 1.60 150031001 Honolulu HI 1.60 150030010 Kapolei HI 1.60 051430005 SPRNGDLE AR 1.60 000065701 Morrisburg ON 1.60 000060303 Kingston ON 1.40 132950002 Rossville GA 1.40 132230003 Yorkville GA 1.40 010735003 CORNER AL 1.40 010735002 PINSON AL 1.40 010732006 HOOVER AL 1.40 010732003 WYLAM AL 1.40 010731010 LEEDS AL 1.40 010730023 NO. BHAM AL 1.40 000065401 Belleville ON 1.40 000061104 Peterborough ON 1.30 150012017 Mountain View HI 1.30 150012016 Pahala HI 1.30 150011012 Kona HI 1.30 150011006 Hilo HI 1.20 080410017 Colorado College CO 1.20 000065201 Parry Sound ON 1.20 000062001 North Bay ON 1.20 000060609 Sudbury ON 1.20 000060104 Ottawa ON 1.10 040191113 Geronimo AZ 1.10 040191032 Rose Elementary AZ 1.10 040191030 Green Valley AZ 1.10 000063301 Dorset ON 1.00 000041302 BATHURST NB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)