Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.75 120861016 Miami Fire Station #5 FL 0.65 000062001 North Bay ON 0.60 132450091 AUGUSTA GA 0.60 131390003 Gainesville GA 0.56 000060609 Sudbury ON 0.55 000063301 Dorset ON 0.51 060831008 Santa Maria - Broadway 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 0.85 000063301 Dorset ON 0.81 060250006 Calexico - East CA 0.79 000060512 Hamilton Downtown ON 0.78 060831008 Santa Maria - Broadway CA 0.76 000062001 North Bay ON 0.70 000065201 Parry Sound ON 0.67 000060609 Sudbury ON 0.65 000061402 Brantford ON 0.64 000061502 Kitchener ON 0.63 061130004 Davis CA 0.61 000065001 Barrie ON 0.60 060072001 Paradise - Birch Street CA 0.60 010970003 CHICK. AL 0.58 011011002 MONTG AL 0.55 131390003 Gainesville GA 0.55 120330004 Ellyson Industrial Park FL 0.55 061072002 Visalia - N. Church Street CA 0.55 060610006 Roseville - N.Sunrise/Douglas CA 0.55 000061104 Peterborough ON 0.53 000060424 Toronto Downtown ON 0.52 132450091 AUGUSTA GA 0.51 060832004 Lompoc H Street CA 0.51 060731010 San Diego - Beardsley Street CA 0.50 000061302 St. Catharines ON #coincidences 10-30 and Corr > 0.5 0.87 040134010 Dysart AZ 0.72 120861016 Miami Fire Station #5 FL 0.62 060070002 Chico - Manzanita CA 0.60 120310077 Sheffield Elementary School FL Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 24.40 060650012 Banning - South Hathaway Street CA 19.70 040138005 Estrella AZ 19.20 040139998 Vehicle Emissions Laboratory AZ 14.30 000020401 SOUTHAMPTON PE 13.70 060831008 Santa Maria - Broadway CA 12.70 061111004 Ojai - Ojai Ave. CA 12.20 060832004 Lompoc H Street CA 12.00 060850002 Gilory - 9th Street CA 10.30 040191032 Rose Elementary AZ 9.80 040191030 Green Valley AZ 8.50 060670012 Folsom CA 8.20 060970003 Santa Rosa - 5th Street CA 7.80 061131003 Woodland CA 7.70 060953002 Vacaville CA 7.70 060271023 Bishop Paiute Tribe-CA CA 6.90 150030010 Kapolei HI 6.70 060731010 San Diego - Beardsley Street CA 6.70 060010011 Oakland West CA 6.50 060811001 Redwood City CA 6.40 060850005 San Jose - Jackson St. CA 6.30 150012017 Mountain View HI 6.30 060550003 Napa - Jefferson St CA 6.30 040191113 Geronimo AZ 6.10 061110007 Thousand Oaks - Moorpark Road CA 6.00 060011001 Fremont Chapel Way CA 5.90 060012004 Berkeley CA 5.80 060731008 Camp Pendleton CA 5.50 000010301 Cornerbrook NF 5.40 090050005 Cornwall CT 5.30 061112002 Simi Valley - Cochran Street CA 4.80 060590007 Anaheim CA 4.80 060210002 Willows - E. Laurel Street CA 4.40 090011123 Danbury CT 3.80 060659001 Lake Elsinore - W. Flint Street CA 3.60 060250005 Calexico - Ethel Street CA 3.40 061072002 Visalia - N. Church Street CA 3.20 080130003 Longmont CO 3.10 061110009 Piru - Pacific CA 2.90 060570005 Grass Valley CA 2.90 000020301 WELLINGTON PE 2.80 060750005 San Francisco - Arkansas Street CA 2.50 060371201 Reseda CA 2.40 090050004 Thomaston CT 2.10 060950004 Vallejo - 304 Tuolumne Street CA 1.70 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 1.70 060571001 Truckee BAM CA 1.60 060731002 Escondido CA 1.30 060370016 Glendora - Laurel CA 1.30 000040302 MONCTON NB 1.20 060371002 Burbank - W. Palm Ave CA 1.20 000090402 Medicine Hat - Crescent Hts AB 1.10 060658001 Riverside - Rubidoux CA 1.10 060371103 Los Angeles - N. Main Street CA 1.10 060250006 Calexico - East CA 0.90 080310013 Denver - NJH - 14th Ave. & Albion St. CO 0.90 080010006 Commerce City - 7101 Birch St. CO 0.80 080131001 Boulder - CU - 2102 Athens St. CO 0.80 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 0.70 081230006 Greeley Hospital CO 0.50 090110124 Groton Fort Griswold CT #coincidences 10-30 and Corr > 0.5 26.00 000010401 Mount Pearl NF 16.30 000030310 SYDNEY NS 14.00 040134010 Dysart AZ 6.20 060010007 Livermore - Rincon CA 5.60 060374002 North Long Beach CA 3.80 040139812 Durango AZ 3.80 000054401 Saint-Anicet QC 3.20 060410001 San Rafael CA 3.10 040130019 West Phoenix AZ 3.00 060670011 Elk Grove CA 2.00 060070002 Chico - Manzanita CA 0.90 040134003 South Phoenix AZ 0.80 000040103 FREDERICTON NB 0.60 000100059 Grand Forks City Hall BC Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 15.80 060650012 Banning - South Hathaway Street CA 13.60 040191034 Coachline AZ 12.10 040138005 Estrella AZ 11.60 040139998 Vehicle Emissions Laboratory AZ 10.40 061111004 Ojai - Ojai Ave. CA 10.00 060831008 Santa Maria - Broadway CA 9.70 060832004 Lompoc H Street CA 8.50 060830011 Santa Barbara CA 8.30 040191032 Rose Elementary AZ 7.90 060731010 San Diego - Beardsley Street CA 7.70 040191030 Green Valley AZ 7.60 000020401 SOUTHAMPTON PE 7.20 060850002 Gilory - 9th Street CA 6.50 060610006 Roseville - N.Sunrise/Douglas CA 5.70 060670012 Folsom CA 5.40 061131003 Woodland CA 5.30 060970003 Santa Rosa - 5th Street CA 5.00 060410003 Point Reyes CA 4.90 060953002 Vacaville CA 4.90 060012004 Berkeley CA 4.80 061110007 Thousand Oaks - Moorpark Road CA 4.60 060850005 San Jose - Jackson St. CA 4.50 060271023 Bishop Paiute Tribe-CA CA 4.40 060250005 Calexico - Ethel Street CA 4.30 150012017 Mountain View HI 4.30 061112002 Simi Valley - Cochran Street CA 4.30 060811001 Redwood City CA 4.10 150030010 Kapolei HI 3.90 060950004 Vallejo - 304 Tuolumne Street CA 3.90 060550003 Napa - Jefferson St CA 3.90 060011001 Fremont Chapel Way CA 3.80 060959999 Rio Vista CA 3.60 061110009 Piru - Pacific CA 3.60 060731008 Camp Pendleton CA 3.50 060010011 Oakland West CA 3.40 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 3.20 060730003 El Cajon - Redwood Ave CA 3.20 040191113 Geronimo AZ 2.80 060210002 Willows - E. Laurel Street CA 2.60 060570005 Grass Valley CA 2.40 061070009 Sequoia/Kings Canyon - Ash Mountain CA 2.40 061010003 Yuba City CA 2.20 000010301 Cornerbrook NF 2.00 060590007 Anaheim CA 1.90 080130003 Longmont CO 1.90 060371201 Reseda CA 1.90 060250006 Calexico - East CA 1.70 150012016 Pahala HI 1.70 080131001 Boulder - CU - 2102 Athens St. CO 1.70 060798001 Atascadero CA 1.70 060376012 Santa Clarita CA 1.60 060571001 Truckee BAM CA 1.50 081230006 Greeley Hospital CO 1.50 061072002 Visalia - N. Church Street CA 1.40 060074001 Gridley CA 1.10 080010006 Commerce City - 7101 Birch St. CO 1.10 000040302 MONCTON NB 1.00 080310013 Denver - NJH - 14th Ave. & Albion St. CO 1.00 080310002 Denver - CAMP - 2105 Broadway CO 0.80 060659001 Lake Elsinore - W. Flint Street CA 0.70 080350004 Chatfield Park - 11500 N. Roxborough Par CO 0.70 061113001 El Rio - Rio Mesa School #2 CA 0.60 090110124 Groton Fort Griswold CT 0.60 060639901 Quincy BAM CA 0.60 000040209 CASTLE ST. SAINT JO NB 0.60 000040207 SAINT JOHN WEST NB #coincidences 10-30 and Corr > 0.5 15.10 040134010 Dysart AZ 14.60 000010401 Mount Pearl NF 8.80 000030310 SYDNEY NS 7.20 060670010 Sacramento - T Street CA 5.90 060670006 Sacramento - Del Paso Manor CA 5.80 060374002 North Long Beach CA 5.40 060670011 Elk Grove CA 5.20 060010007 Livermore - Rincon CA 3.50 040134003 South Phoenix AZ 1.70 060410001 San Rafael CA 1.60 040130019 West Phoenix AZ 1.30 040139812 Durango AZ 1.30 000040103 FREDERICTON NB 1.20 060070002 Chico - Manzanita CA 1.20 000091901 Caroline AB 1.10 000100010 Creston PC School BC 0.50 000090222 Calgary Northwest AB 0.50 000030701 AYLESFORD MOUNTAIN NS Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 737.60 061130004 Davis CA 206.20 060410003 Point Reyes CA 163.30 061070009 Sequoia/Kings Canyon - Ash Mountain CA 77.60 060610006 Roseville - N.Sunrise/Douglas CA 74.40 060431001 Yosemite Village - Visitor Center CA 59.60 060190008 Fresno - 1st Street CA 58.90 060792004 Mesa 2 /Nipomo CA 56.10 040191034 Coachline AZ 49.90 060111002 Colusa - Sunrise Blvd. CA 48.40 010331002 MSHOALS AL 41.20 010030010 FAIRHOPE AL 36.00 060798001 Atascadero CA 35.50 060290014 Bakersfield - 5558 California Ave CA 33.70 060959999 Rio Vista CA 28.20 150011012 Kona HI 28.10 060830011 Santa Barbara CA 27.70 061010003 Yuba City CA 27.00 120730012 Tallahassee Community College FL 26.60 000090121 Edmonton East AB 25.70 080770017 Grand Junction - Powell Building CO 24.70 061113001 El Rio - Rio Mesa School #2 CA 23.10 000040801 CANTERBURY NB 20.80 131530001 Warner Robins GA 20.70 060711004 Upland CA 20.00 000060512 Hamilton Downtown ON 19.80 010731010 LEEDS AL 19.10 130890002 South Dekalb GA 19.10 060710005 Lake Gregory - Crestline CA 19.00 010730023 NO. BHAM AL 18.80 000090601 Fort Saskatchewan AB 18.70 060651003 Riverside - Magnolia CA 18.40 090092123 Waterbury CT 18.40 090090027 New Haven - Criscuolo Park CT 18.30 131390003 Gainesville GA 18.20 010732003 WYLAM AL 18.00 120470015 White Springs FL 17.90 120230002 Lake City FL 17.90 060376012 Santa Clarita CA 17.90 010970003 CHICK. AL 17.40 060650012 Banning - South Hathaway Street CA 17.20 010731005 MCADORY AL 16.70 121130015 Woodlawn FL 16.60 132150008 Columbus Airport GA 16.50 000050801 Ursulines QC 16.10 131210055 Confederate Ave GA 16.00 010735002 PINSON AL 16.00 010732006 HOOVER AL 15.90 090032006 East Hartford - High Street CT 15.90 011190002 GASTON AL 15.80 000061004 Sarnia ON 15.40 130770002 NEWNAN GA 15.30 120571065 gandy FL 15.20 131850003 Valdosta GA 15.20 000090120 Edmonton South AB 15.10 130511002 Savannah L&A GA 15.10 060658001 Riverside - Rubidoux CA 15.10 060371103 Los Angeles - N. Main Street CA 15.00 060731006 Alpine CA 15.00 060371002 Burbank - W. Palm Ave CA 15.00 011011002 MONTG AL 14.90 132950002 Rossville GA 14.90 060370016 Glendora - Laurel CA 14.90 060310004 Corcoran CA 14.80 130210012 Macon GA 14.80 120050006 St. Andrews Park FL 14.70 121152002 Jackson Road FL 14.70 120330004 Ellyson Industrial Park FL 14.70 060731002 Escondido CA 14.70 060730003 El Cajon - Redwood Ave CA 14.30 120573002 SYDNEY FL 14.30 000061402 Brantford ON 14.20 150012016 Pahala HI 14.20 131510002 McDonough GA 14.20 131350002 Gwinnett Tech GA 14.20 121150013 Bee Ridge FL 14.20 051190007 PARR AR 14.10 132230003 Yorkville GA 14.10 120590004 Bonifay FL 14.10 000061502 Kitchener ON 14.00 000054703 Bécancour (Aréna) QC 13.90 010735003 CORNER AL 13.90 000054501 L'Assomption QC 13.80 060371201 Reseda CA 13.80 051191008 ADEQ-DSR AR 13.80 000090302 Red Deer AB 13.70 132450091 AUGUSTA GA 13.60 120570030 PCEIA3 FL 13.60 050350005 MARION AR 13.50 000090227 Calgary Central AB 13.40 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 13.30 120013011 Payne's Prarie FL 13.30 000061302 St. Catharines ON 13.20 121035002 John A. Chesnut Sr. Park FL 13.20 000040203 FOREST HILLS NB 13.10 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 13.10 121030018 Azalea FL 13.10 060250006 Calexico - East CA 13.10 000060424 Toronto Downtown ON 13.00 120952002 Lake Isle Estates FL 12.80 090110124 Groton Fort Griswold CT 12.80 010731009 PROVIDENCE AL 12.80 000065001 Barrie ON 12.70 080310002 Denver - CAMP - 2105 Broadway CO 12.70 000060204 Windsor Downtown ON 12.40 060659001 Lake Elsinore - W. Flint Street CA 12.20 060890007 Anderson CA 12.10 130590002 Athens FS # 7 GA 12.10 061110009 Piru - Pacific CA 12.10 000060903 London ON 12.00 000060709 Sault Ste Marie ON 11.90 090011123 Danbury CT 11.90 051430005 SPRNGDLE AR 11.80 090050004 Thomaston CT 11.80 000063701 Grand Bend ON 11.80 000060609 Sudbury ON 11.80 000041302 BATHURST NB 11.70 120830003 YMC FL 11.70 080410017 Colorado College CO 11.70 060950004 Vallejo - 304 Tuolumne Street CA 11.70 051390006 El Dorado AR 11.70 000065201 Parry Sound ON 11.40 060590007 Anaheim CA 11.30 000065301 Port Stanley ON 11.10 060731010 San Diego - Beardsley Street CA 11.00 040191113 Geronimo AZ 10.90 061112002 Simi Valley - Cochran Street CA 10.70 060990005 Modesto - 14th Street CA 10.70 060731008 Camp Pendleton CA 10.70 000065801 Chatham ON 10.70 000052301 Saint-Faustin QC 10.60 121056006 Fl. Baptist Children's Home FL 10.60 000051501 Zéphirin QC 10.50 120866001 Homestead Fire Station #16 FL 10.50 120710005 Winkler Pump Station FL 10.40 080310025 Denver Animal Shelter - 678 S. Jason St. CO 10.40 060250005 Calexico - Ethel Street CA 10.30 120310098 Mandarin FL 10.30 000090218 Calgary East AB 10.20 090050005 Cornwall CT 10.20 060750005 San Francisco - Arkansas Street CA 10.10 060074001 Gridley CA 10.00 000094301 Cold Lake South AB 10.00 000062501 Tiverton ON 9.90 120210004 Laurel Oaks Elementary FL 9.80 060072001 Paradise - Birch Street CA 9.70 120090011 Fay Park FL 9.70 000062001 North Bay ON 9.60 121275002 Blind Services; 1185-A Dunn Ave FL 9.50 061110007 Thousand Oaks - Moorpark Road CA 9.50 000060104 Ottawa ON 9.40 121111002 911 Center; Rock Road FL 9.40 080350004 Chatfield Park - 11500 N. Roxborough Par CO 9.20 060639901 Quincy BAM CA 9.20 000061201 Cornwall ON 9.20 000060303 Kingston ON 9.10 000065701 Morrisburg ON 9.10 000063301 Dorset ON 8.90 120310100 Mayo Clinic FL 8.90 000061104 Peterborough ON 8.80 000065401 Belleville ON 8.70 081230006 Greeley Hospital CO 8.70 000010301 Cornerbrook NF 8.60 000040207 SAINT JOHN WEST NB 8.50 120090007 Melbourne FL 8.50 080310013 Denver - NJH - 14th Ave. & Albion St. CO 8.50 080010006 Commerce City - 7101 Birch St. CO 8.00 040191030 Green Valley AZ 7.90 060012004 Berkeley CA 7.70 080131001 Boulder - CU - 2102 Athens St. CO 7.70 061072002 Visalia - N. Church Street CA 7.60 060010011 Oakland West CA 7.50 000091101 Elk Island AB 7.50 000040209 CASTLE ST. SAINT JO NB 7.40 060850005 San Jose - Jackson St. CA 7.40 040191032 Rose Elementary AZ 7.30 060832004 Lompoc H Street CA 7.20 150030010 Kapolei HI 7.00 061111004 Ojai - Ojai Ave. CA 6.90 060850002 Gilory - 9th Street CA 6.90 060011001 Fremont Chapel Way CA 6.70 150012017 Mountain View HI 6.70 060831008 Santa Maria - Broadway CA 6.60 060811001 Redwood City CA 6.50 061131003 Woodland CA 6.50 040139998 Vehicle Emissions Laboratory AZ 6.20 000040901 ST ANDREWS NB 6.20 000020301 WELLINGTON PE 6.10 060550003 Napa - Jefferson St CA 6.00 060970003 Santa Rosa - 5th Street CA 6.00 060953002 Vacaville CA 6.00 040138005 Estrella AZ 6.00 000090402 Medicine Hat - Crescent Hts AB 5.60 000040302 MONCTON NB 5.50 080130003 Longmont CO 5.40 060210002 Willows - E. Laurel Street CA 5.30 120990009 Royal Palm Beach FL 5.30 060670012 Folsom CA 5.10 060570005 Grass Valley CA 4.90 060271023 Bishop Paiute Tribe-CA CA 4.40 060571001 Truckee BAM CA 4.30 000020401 SOUTHAMPTON PE #coincidences 10-30 and Corr > 0.5 233.90 060670010 Sacramento - T Street CA 129.40 060670006 Sacramento - Del Paso Manor CA 44.50 120861016 Miami Fire Station #5 FL 15.50 100032004 MLK DE 12.40 000090130 Edmonton Central AB 12.10 000091901 Caroline AB 10.90 120111002 DAVIE FL 10.60 040134003 South Phoenix AZ 10.20 060374002 North Long Beach CA 9.30 060670011 Elk Grove CA 9.20 040139812 Durango AZ 9.00 120310077 Sheffield Elementary School FL 7.80 060410001 San Rafael CA 7.70 000090502 Lethbridge AB 7.50 040130019 West Phoenix AZ 7.20 000100059 Grand Forks City Hall BC 6.90 000030701 AYLESFORD MOUNTAIN NS 6.60 060070002 Chico - Manzanita CA 6.60 000030310 SYDNEY NS 6.40 000010401 Mount Pearl NF 6.30 060010007 Livermore - Rincon CA 6.20 000090222 Calgary Northwest AB 5.50 000040103 FREDERICTON NB 5.20 000054401 Saint-Anicet QC 4.50 000100010 Creston PC School BC 4.20 040134010 Dysart AZ Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 29.20 000010401 Mount Pearl NF 24.30 060850002 Gilory - 9th Street CA 19.30 000040901 ST ANDREWS NB 19.30 000040801 CANTERBURY NB 17.90 060731010 San Diego - Beardsley Street CA 17.50 061113001 El Rio - Rio Mesa School #2 CA 17.50 061111004 Ojai - Ojai Ave. CA 17.50 060832004 Lompoc H Street CA 17.50 060831008 Santa Maria - Broadway CA 17.50 060830011 Santa Barbara CA 15.80 000030310 SYDNEY NS 15.40 000040209 CASTLE ST. SAINT JO NB 15.40 000040207 SAINT JOHN WEST NB 15.40 000040203 FOREST HILLS NB 15.40 000040103 FREDERICTON NB 14.80 000020401 SOUTHAMPTON PE 11.80 090110124 Groton Fort Griswold CT 11.80 090090027 New Haven - Criscuolo Park CT 11.80 090032006 East Hartford - High Street CT 10.00 150012017 Mountain View HI 10.00 150012016 Pahala HI 10.00 150011012 Kona HI 9.90 060650012 Banning - South Hathaway Street CA 9.80 000065801 Chatham ON 9.80 000065301 Port Stanley ON 9.80 000061004 Sarnia ON 9.80 000060903 London ON 9.60 061131003 Woodland CA 9.60 061130004 Davis CA 9.60 060970003 Santa Rosa - 5th Street CA 9.60 060959999 Rio Vista CA 9.60 060953002 Vacaville CA 9.60 060950004 Vallejo - 304 Tuolumne Street CA 9.60 060850005 San Jose - Jackson St. CA 9.60 060811001 Redwood City CA 9.60 060750005 San Francisco - Arkansas Street CA 9.60 060670012 Folsom CA 9.60 060670011 Elk Grove CA 9.60 060670010 Sacramento - T Street CA 9.60 060670006 Sacramento - Del Paso Manor CA 9.60 060610006 Roseville - N.Sunrise/Douglas CA 9.60 060550003 Napa - Jefferson St CA 9.60 060410003 Point Reyes CA 9.60 060410001 San Rafael CA 9.60 060012004 Berkeley CA 9.60 060011001 Fremont Chapel Way CA 9.60 060010011 Oakland West CA 9.60 060010007 Livermore - Rincon CA 8.30 060731006 Alpine CA 8.30 060730003 El Cajon - Redwood Ave CA 8.30 060250006 Calexico - East CA 8.30 060250005 Calexico - Ethel Street CA 8.00 000041302 BATHURST NB 8.00 000040302 MONCTON NB 8.00 000030701 AYLESFORD MOUNTAIN NS 8.00 000020301 WELLINGTON PE 7.70 061072002 Visalia - N. Church Street CA 7.70 060798001 Atascadero CA 7.70 060792004 Mesa 2 /Nipomo CA 7.70 060310004 Corcoran CA 7.70 060290014 Bakersfield - 5558 California Ave CA 7.70 060190008 Fresno - 1st Street CA 7.30 040134003 South Phoenix AZ 7.30 040191034 Coachline AZ 7.30 040139998 Vehicle Emissions Laboratory AZ 7.30 040139812 Durango AZ 7.30 040138005 Estrella AZ 7.30 040134010 Dysart AZ 7.30 040130019 West Phoenix AZ 7.10 090092123 Waterbury CT 7.10 090050005 Cornwall CT 7.10 090050004 Thomaston CT 7.10 090011123 Danbury CT 7.10 040191113 Geronimo AZ 7.10 040191032 Rose Elementary AZ 7.10 040191030 Green Valley AZ 7.00 061010003 Yuba City CA 7.00 060890007 Anderson CA 7.00 060570005 Grass Valley CA 7.00 060210002 Willows - E. Laurel Street CA 7.00 060111002 Colusa - Sunrise Blvd. CA 7.00 060074001 Gridley CA 7.00 060072001 Paradise - Birch Street CA 7.00 060070002 Chico - Manzanita CA 7.00 000065001 Barrie ON 7.00 000061502 Kitchener ON 7.00 000061402 Brantford ON 7.00 000061302 St. Catharines ON 7.00 000060512 Hamilton Downtown ON 7.00 000060424 Toronto Downtown ON 6.80 080770017 Grand Junction - Powell Building CO 6.70 061112002 Simi Valley - Cochran Street CA 6.70 061110009 Piru - Pacific CA 6.70 061110007 Thousand Oaks - Moorpark Road CA 6.70 060731008 Camp Pendleton CA 6.70 060731002 Escondido CA 6.70 060711004 Upland CA 6.70 060710005 Lake Gregory - Crestline CA 6.70 060659001 Lake Elsinore - W. Flint Street CA 6.70 060658001 Riverside - Rubidoux CA 6.70 060651003 Riverside - Magnolia CA 6.70 060590007 Anaheim CA 6.70 060376012 Santa Clarita CA 6.70 060374002 North Long Beach CA 6.70 060371201 Reseda CA 6.70 060371103 Los Angeles - N. Main Street CA 6.70 060371002 Burbank - W. Palm Ave CA 6.70 060370016 Glendora - Laurel CA 6.60 000010301 Cornerbrook NF 6.40 150031004 SAND ISLAND 2 - ANUENUE FISHERIES HI 6.40 150030010 Kapolei HI 6.10 081230006 Greeley Hospital CO 6.10 080310025 Denver Animal Shelter - 678 S. Jason St. CO 6.10 080310013 Denver - NJH - 14th Ave. & Albion St. CO 6.10 080310002 Denver - CAMP - 2105 Broadway CO 6.10 080010006 Commerce City - 7101 Birch St. CO 6.10 000060204 Windsor Downtown ON 5.90 000054703 Bécancour (Aréna) QC 5.90 000051501 Zéphirin QC 5.90 000050801 Ursulines QC 5.70 000100059 Grand Forks City Hall BC 5.60 080350004 Chatfield Park - 11500 N. Roxborough Par CO 5.60 080131001 Boulder - CU - 2102 Athens St. CO 5.60 080130003 Longmont CO 4.90 080410017 Colorado College CO 4.60 000061201 Cornwall ON 4.60 000054501 L'Assomption QC 4.60 000054401 Saint-Anicet QC 4.60 000052301 Saint-Faustin QC 4.50 060990005 Modesto - 14th Street CA 4.50 060431001 Yosemite Village - Visitor Center CA 4.40 100032004 MLK DE 4.40 000100010 Creston PC School BC 4.10 132150008 Columbus Airport GA 4.10 131530001 Warner Robins GA 4.10 130210012 Macon GA 3.90 061070009 Sequoia/Kings Canyon - Ash Mountain CA 3.90 060639901 Quincy BAM CA 3.90 060571001 Truckee BAM CA 3.90 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 3.80 000090601 Fort Saskatchewan AB 3.80 000090130 Edmonton Central AB 3.80 000090121 Edmonton East AB 3.80 000090120 Edmonton South AB 3.80 000065401 Belleville ON 3.80 000063701 Grand Bend ON 3.80 000062501 Tiverton ON 3.80 000061104 Peterborough ON 3.60 000060709 Sault Ste Marie ON 3.40 132450091 AUGUSTA GA 3.30 130511002 Savannah L&A GA 3.20 011011002 MONTG AL 3.20 000063301 Dorset ON 3.20 000060104 Ottawa ON 3.10 000065201 Parry Sound ON 3.10 000062001 North Bay ON 3.10 000060609 Sudbury ON 3.00 000065701 Morrisburg ON 3.00 000060303 Kingston ON 2.90 000094301 Cold Lake South AB 2.90 000091901 Caroline AB 2.90 000090302 Red Deer AB 2.90 000090227 Calgary Central AB 2.90 000090222 Calgary Northwest AB 2.90 000090218 Calgary East AB 2.80 131510002 McDonough GA 2.80 131390003 Gainesville GA 2.80 131350002 Gwinnett Tech GA 2.80 131210055 Confederate Ave GA 2.80 130890002 South Dekalb GA 2.80 130770002 NEWNAN GA 2.80 130590002 Athens FS # 7 GA 2.80 121152002 Jackson Road FL 2.80 121150013 Bee Ridge FL 2.80 121056006 Fl. Baptist Children's Home FL 2.80 121035002 John A. Chesnut Sr. Park FL 2.80 121030018 Azalea FL 2.80 120952002 Lake Isle Estates FL 2.80 120573002 SYDNEY FL 2.80 120571065 gandy FL 2.80 120570030 PCEIA3 FL 2.80 000091101 Elk Island AB 2.70 060271023 Bishop Paiute Tribe-CA CA 2.70 051390006 El Dorado AR 2.70 051191008 ADEQ-DSR AR 2.70 051190007 PARR AR 2.70 011190002 GASTON AL 2.50 132950002 Rossville GA 2.50 132230003 Yorkville GA 2.50 121275002 Blind Services; 1185-A Dunn Ave FL 2.50 120830003 YMC FL 2.50 120470015 White Springs FL 2.50 120310100 Mayo Clinic FL 2.50 120310098 Mandarin FL 2.50 120310077 Sheffield Elementary School FL 2.50 120230002 Lake City FL 2.50 120013011 Payne's Prarie FL 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 2.40 121130015 Woodlawn FL 2.40 120330004 Ellyson Industrial Park FL 2.40 010970003 CHICK. AL 2.40 010731009 PROVIDENCE AL 2.40 010731005 MCADORY AL 2.40 010331002 MSHOALS AL 2.40 010030010 FAIRHOPE AL 2.20 120990009 Royal Palm Beach FL 2.20 120866001 Homestead Fire Station #16 FL 2.20 120861016 Miami Fire Station #5 FL 2.20 120111002 DAVIE FL 2.20 000090502 Lethbridge AB 2.00 131850003 Valdosta GA 2.00 121111002 911 Center; Rock Road FL 2.00 120730012 Tallahassee Community College FL 2.00 120090011 Fay Park FL 2.00 120090007 Melbourne FL 1.90 120710005 Winkler Pump Station FL 1.90 120210004 Laurel Oaks Elementary FL 1.90 051430005 SPRNGDLE AR 1.80 000090402 Medicine Hat - Crescent Hts AB 1.70 050350005 MARION AR 1.10 120590004 Bonifay FL 1.10 120050006 St. Andrews Park FL AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)