Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.72 011011002 MONTG AL 0.67 060570005 Grass Valley CA 0.66 000062001 North Bay ON 0.65 000065001 Barrie ON 0.65 000063701 Grand Bend ON 0.64 060210002 Willows - E. Laurel Street CA 0.62 060072001 Paradise - Birch Street CA 0.62 010731009 PROVIDENCE AL 0.62 000060709 Sault Ste Marie ON 0.62 000060303 Kingston ON 0.61 000065401 Belleville ON 0.58 000065201 Parry Sound ON 0.57 000061502 Kitchener ON 0.57 000060609 Sudbury ON 0.56 000061104 Peterborough ON 0.54 051390006 El Dorado AR 0.53 060890007 Anderson CA 0.53 010731005 MCADORY AL 0.50 000065301 Port Stanley ON 0.50 000061402 Brantford ON Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences >30 and Corr > 0.5 0.86 060072001 Paradise - Birch Street CA 0.86 000065001 Barrie ON 0.85 000060424 Toronto Downtown ON 0.84 060570005 Grass Valley CA 0.83 060890007 Anderson CA 0.83 011011002 MONTG AL 0.83 000060512 Hamilton Downtown ON 0.80 060210002 Willows - E. Laurel Street CA 0.80 000061402 Brantford ON 0.78 051430005 SPRNGDLE AR 0.77 000061502 Kitchener ON 0.76 000062001 North Bay ON 0.74 051390006 El Dorado AR 0.73 000063701 Grand Bend ON 0.69 060074001 Gridley CA 0.69 010731009 PROVIDENCE AL 0.65 000054501 L'Assomption QC 0.64 060679991 Rancho Seco CA 0.63 000065201 Parry Sound ON 0.62 060659001 Lake Elsinore - W. Flint Street CA 0.61 061070009 Sequoia/Kings Canyon - Ash Mountain CA 0.61 051191008 ADEQ-DSR AR 0.60 050350005 MARION AR 0.60 010731005 MCADORY AL 0.60 000090121 Edmonton East AB 0.60 000061004 Sarnia ON 0.59 060550003 Napa - Jefferson St CA 0.58 051190007 PARR AR 0.58 000060204 Windsor Downtown ON 0.54 061010003 Yuba City CA 0.52 000090120 Edmonton South AB 0.52 000061201 Cornwall ON 0.51 061112002 Simi Valley - Cochran Street CA 0.50 060792004 Mesa 2 /Nipomo CA #coincidences 10-30 and Corr > 0.5 0.85 000060709 Sault Ste Marie ON 0.85 000060609 Sudbury ON 0.78 061110009 Piru - Pacific CA 0.63 000062501 Tiverton ON Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 12.50 000010401 Mount Pearl NF 11.10 000020401 SOUTHAMPTON PE 7.30 000030310 SYDNEY NS 5.10 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 4.90 060650012 Banning - South Hathaway Street CA 4.40 061110007 Thousand Oaks - Moorpark Road CA 3.60 000061302 St. Catharines ON 3.50 040138005 Estrella AZ 3.50 040134010 Dysart AZ 2.80 000060424 Toronto Downtown ON 2.60 060370016 Glendora - Laurel CA 2.60 000061402 Brantford ON 1.60 040191034 Coachline AZ 1.60 000061502 Kitchener ON 1.50 060731006 Alpine CA 1.50 000052301 Saint-Faustin QC 1.50 000020301 WELLINGTON PE 1.40 060670011 Elk Grove CA 0.90 040191030 Green Valley AZ 0.80 060690002 Unknown CA 0.70 000062001 North Bay ON #coincidences 10-30 and Corr > 0.5 4.90 000040209 CASTLE ST. SAINT JO NB 3.90 060870003 Unknown CA 3.70 000060903 London ON 2.80 000060609 Sudbury ON 0.80 000065401 Belleville ON 0.70 000062501 Tiverton ON Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 11.40 000010401 Mount Pearl NF 7.10 000030310 SYDNEY NS 6.40 000020401 SOUTHAMPTON PE 3.60 061110007 Thousand Oaks - Moorpark Road CA 3.60 000061302 St. Catharines ON 3.30 000060424 Toronto Downtown ON 3.20 040191034 Coachline AZ 3.20 040138005 Estrella AZ 3.00 060650012 Banning - South Hathaway Street CA 2.90 000061502 Kitchener ON 2.60 060690002 Unknown CA 2.60 040130019 West Phoenix AZ 2.50 000065001 Barrie ON 2.40 040134010 Dysart AZ 2.20 000065301 Port Stanley ON 2.20 000061402 Brantford ON 2.10 000060512 Hamilton Downtown ON 2.00 010731009 PROVIDENCE AL 1.90 040139998 Vehicle Emissions Laboratory AZ 1.60 000060204 Windsor Downtown ON 1.50 000052301 Saint-Faustin QC 1.40 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 1.40 000061201 Cornwall ON 1.30 060370016 Glendora - Laurel CA 1.30 000065801 Chatham ON 1.10 040191030 Green Valley AZ 1.10 000020301 WELLINGTON PE 1.00 040139812 Durango AZ 1.00 000062001 North Bay ON 0.90 040134003 South Phoenix AZ 0.70 060731010 San Diego - Beardsley Street CA 0.70 000065701 Morrisburg ON 0.70 000060104 Ottawa ON 0.60 000040901 ST ANDREWS NB 0.60 000040203 FOREST HILLS NB 0.50 000063701 Grand Bend ON #coincidences 10-30 and Corr > 0.5 4.00 060870003 Unknown CA 3.80 000060903 London ON 3.60 000040209 CASTLE ST. SAINT JO NB 3.00 000062501 Tiverton ON 2.80 000030701 AYLESFORD MOUNTAIN NS 2.70 061111004 Ojai - Ojai Ave. CA 2.10 000040103 FREDERICTON NB 1.90 000040302 MONCTON NB 1.30 060530002 Unknown CA 1.10 000065401 Belleville ON 1.00 060850005 San Jose - Jackson St. CA 0.80 061110009 Piru - Pacific CA 0.60 000061104 Peterborough ON Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 215.80 061130004 Davis CA 207.00 060832004 Lompoc H Street CA 137.20 060670010 Sacramento - T Street CA 133.10 060190008 Fresno - 1st Street CA 131.20 060070002 Chico - Manzanita CA 106.40 060990005 Modesto - 14th Street CA 86.60 060771002 Stockton - Hazelton Street CA 86.40 060830011 Santa Barbara CA 80.70 061010003 Yuba City CA 77.20 060610006 Roseville - N.Sunrise/Douglas CA 76.10 060250005 Calexico - Ethel Street CA 72.80 061072002 Visalia - N. Church Street CA 68.30 060310004 Corcoran CA 63.90 060290014 Bakersfield - 5558 California Ave CA 53.50 060670006 Sacramento - Del Paso Manor CA 51.00 060831008 Santa Maria - Broadway CA 45.00 060670012 Folsom CA 37.40 060431001 Yosemite Village - Visitor Center CA 31.40 060074001 Gridley CA 31.20 060792004 Mesa 2 /Nipomo CA 27.90 060371103 Los Angeles - N. Main Street CA 27.60 060371002 Burbank - W. Palm Ave CA 26.40 060679991 Rancho Seco CA 24.10 060711004 Upland CA 24.00 060371201 Reseda CA 23.90 060639901 Quincy BAM CA 22.50 060658001 Riverside - Rubidoux CA 22.10 060890007 Anderson CA 21.50 060590007 Anaheim CA 20.80 060675003 Sloughhouse CA 20.80 060410003 Point Reyes CA 19.90 060210002 Willows - E. Laurel Street CA 19.70 060731010 San Diego - Beardsley Street CA 19.20 060731002 Escondido CA 19.10 060374002 North Long Beach CA 19.00 061112002 Simi Valley - Cochran Street CA 18.40 010970003 CHICK. AL 18.40 000040801 CANTERBURY NB 18.20 040134003 South Phoenix AZ 18.00 010730023 NO. BHAM AL 17.80 060571001 Truckee BAM CA 17.60 060731008 Camp Pendleton CA 17.40 060650012 Banning - South Hathaway Street CA 17.40 040139812 Durango AZ 16.80 000090302 Red Deer AB 16.60 061131003 Woodland CA 16.60 060376012 Santa Clarita CA 16.40 069999921 EBAM12 - Sac T CA 16.30 011011002 MONTG AL 16.10 010732003 WYLAM AL 16.00 000050801 Ursulines QC 15.80 060953002 Vacaville CA 15.60 060710005 Lake Gregory - Crestline CA 15.40 000090121 Edmonton East AB 15.40 000090120 Edmonton South AB 15.20 080310013 Denver - NJH - 14th Ave. & Albion St. CO 15.20 040191113 Geronimo AZ 14.90 080310025 Denver Animal Shelter - 678 S. Jason St. CO 14.70 061070009 Sequoia/Kings Canyon - Ash Mountain CA 14.70 051191008 ADEQ-DSR AR 14.70 010731010 LEEDS AL 14.60 060012004 Berkeley CA 14.40 060970003 Santa Rosa - 5th Street CA 14.30 000054703 Bécancour (Aréna) QC 14.20 060950004 Vallejo - 304 Tuolumne Street CA 14.20 000090502 Lethbridge AB 14.20 000054501 L'Assomption QC 14.10 010732006 HOOVER AL 14.00 060850002 Gilory - 9th Street CA 14.00 000094301 Cold Lake South AB 13.90 060072001 Paradise - Birch Street CA 13.90 010331002 MSHOALS AL 13.60 051390006 El Dorado AR 13.50 010735003 CORNER AL 13.00 060550003 Napa - Jefferson St CA 13.00 060090001 San Andreas CA 13.00 000061004 Sarnia ON 12.90 061113001 El Rio - Rio Mesa School #2 CA 12.80 060798001 Atascadero CA 12.70 060010011 Oakland West CA 12.70 010731005 MCADORY AL 12.50 040130019 West Phoenix AZ 12.50 000060512 Hamilton Downtown ON 12.40 060659001 Lake Elsinore - W. Flint Street CA 12.20 000065001 Barrie ON 11.90 051190007 PARR AR 11.90 010735002 PINSON AL 11.80 080410017 Colorado College CO 11.80 050350005 MARION AR 11.70 000090601 Fort Saskatchewan AB 11.50 000090218 Calgary East AB 11.20 060271023 Bishop Paiute Tribe-CA CA 11.20 000054401 Saint-Anicet QC 11.00 080131001 Boulder - CU - 2102 Athens St. CO 10.90 060370016 Glendora - Laurel CA 10.80 080010006 Commerce City - 7101 Birch St. CO 10.80 040139998 Vehicle Emissions Laboratory AZ 10.60 060959999 Rio Vista CA 10.60 060731006 Alpine CA 10.60 010731009 PROVIDENCE AL 10.60 000090130 Edmonton Central AB 10.50 000060204 Windsor Downtown ON 10.10 051430005 SPRNGDLE AR 9.90 000061502 Kitchener ON 9.80 060870007 Unknown CA 9.80 060750005 San Francisco - Arkansas Street CA 9.80 040191032 Rose Elementary AZ 9.70 000060424 Toronto Downtown ON 9.50 000090222 Calgary Northwest AB 9.50 000061201 Cornwall ON 9.30 000030310 SYDNEY NS 9.00 000040901 ST ANDREWS NB 8.90 060690002 Unknown CA 8.80 000065801 Chatham ON 8.80 000065301 Port Stanley ON 8.80 000063701 Grand Bend ON 8.40 000020104 CHARLOTTETOWN PE 8.10 000060104 Ottawa ON 8.10 000041302 BATHURST NB 7.70 000065701 Morrisburg ON 7.70 000065201 Parry Sound ON 7.50 040138005 Estrella AZ 7.50 040134010 Dysart AZ 7.50 000061402 Brantford ON 7.50 000061302 St. Catharines ON 7.40 060570005 Grass Valley CA 7.30 040191034 Coachline AZ 7.20 060670011 Elk Grove CA 7.20 000040207 SAINT JOHN WEST NB 7.10 000062001 North Bay ON 6.80 061110007 Thousand Oaks - Moorpark Road CA 6.60 000052301 Saint-Faustin QC 6.60 000040203 FOREST HILLS NB 6.40 000063301 Dorset ON 5.40 000020301 WELLINGTON PE 5.20 040191030 Green Valley AZ 5.20 000010401 Mount Pearl NF 5.00 080310002 Denver - CAMP - 2105 Broadway CO 4.90 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 3.70 000020401 SOUTHAMPTON PE #coincidences 10-30 and Corr > 0.5 189.70 060530002 Unknown CA 35.70 000091901 Caroline AB 17.90 060651003 Riverside - Magnolia CA 14.70 060410001 San Rafael CA 14.20 060811001 Redwood City CA 14.00 061110009 Piru - Pacific CA 14.00 060010007 Livermore - Rincon CA 10.60 000060303 Kingston ON 10.20 060850005 San Jose - Jackson St. CA 9.90 000051501 Zéphirin QC 9.30 061111004 Ojai - Ojai Ave. CA 9.10 080770017 Grand Junction - Powell Building CO 9.00 000061104 Peterborough ON 9.00 000040302 MONCTON NB 7.80 000065401 Belleville ON 7.60 000062501 Tiverton ON 7.50 060870003 Unknown CA 7.50 000040103 FREDERICTON NB 5.80 000030701 AYLESFORD MOUNTAIN NS 5.70 080130003 Longmont CO 5.70 000091101 Elk Island AB 5.60 000060709 Sault Ste Marie ON 5.20 000060903 London ON 5.10 000060609 Sudbury ON 5.00 000040209 CASTLE ST. SAINT JO NB Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 19.70 060731010 San Diego - Beardsley Street CA 16.80 060731006 Alpine CA 16.80 060250005 Calexico - Ethel Street CA 14.30 000010401 Mount Pearl NF 12.00 060650012 Banning - South Hathaway Street CA 11.60 061112002 Simi Valley - Cochran Street CA 11.60 061110009 Piru - Pacific CA 11.60 061110007 Thousand Oaks - Moorpark Road CA 11.60 060731008 Camp Pendleton CA 11.60 060731002 Escondido CA 11.60 060711004 Upland CA 11.60 060710005 Lake Gregory - Crestline CA 11.60 060659001 Lake Elsinore - W. Flint Street CA 11.60 060658001 Riverside - Rubidoux CA 11.60 060651003 Riverside - Magnolia CA 11.60 060590007 Anaheim CA 11.60 060376012 Santa Clarita CA 11.60 060374002 North Long Beach CA 11.60 060371201 Reseda CA 11.60 060371103 Los Angeles - N. Main Street CA 11.60 060371002 Burbank - W. Palm Ave CA 11.60 060370016 Glendora - Laurel CA 9.90 061113001 El Rio - Rio Mesa School #2 CA 9.90 061111004 Ojai - Ojai Ave. CA 9.90 060832004 Lompoc H Street CA 9.90 060831008 Santa Maria - Broadway CA 9.90 060830011 Santa Barbara CA 9.80 060870003 Unknown CA 9.80 069999921 EBAM12 - Sac T CA 9.80 061131003 Woodland CA 9.80 061130004 Davis CA 9.80 060970003 Santa Rosa - 5th Street CA 9.80 060959999 Rio Vista CA 9.80 060953002 Vacaville CA 9.80 060950004 Vallejo - 304 Tuolumne Street CA 9.80 060850005 San Jose - Jackson St. CA 9.80 060811001 Redwood City CA 9.80 060771002 Stockton - Hazelton Street CA 9.80 060750005 San Francisco - Arkansas Street CA 9.80 060679991 Rancho Seco CA 9.80 060675003 Sloughhouse CA 9.80 060670012 Folsom CA 9.80 060670011 Elk Grove CA 9.80 060670010 Sacramento - T Street CA 9.80 060670006 Sacramento - Del Paso Manor CA 9.80 060610006 Roseville - N.Sunrise/Douglas CA 9.80 060550003 Napa - Jefferson St CA 9.80 060410003 Point Reyes CA 9.80 060410001 San Rafael CA 9.80 060012004 Berkeley CA 9.80 060010011 Oakland West CA 9.80 060010007 Livermore - Rincon CA 9.20 040191034 Coachline AZ 7.50 061072002 Visalia - N. Church Street CA 7.50 060798001 Atascadero CA 7.50 060792004 Mesa 2 /Nipomo CA 7.50 060310004 Corcoran CA 7.50 060290014 Bakersfield - 5558 California Ave CA 7.50 060190008 Fresno - 1st Street CA 7.40 010970003 CHICK. AL 7.00 040139998 Vehicle Emissions Laboratory AZ 7.00 040139812 Durango AZ 7.00 040138005 Estrella AZ 7.00 040134010 Dysart AZ 7.00 040134003 South Phoenix AZ 7.00 040130019 West Phoenix AZ 6.80 060530002 Unknown CA 6.80 060870007 Unknown CA 6.80 060850002 Gilory - 9th Street CA 6.80 060690002 Unknown CA 6.20 000030310 SYDNEY NS 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 060072001 Paradise - Birch Street CA 5.80 060070002 Chico - Manzanita CA 5.20 061070009 Sequoia/Kings Canyon - Ash Mountain CA 5.20 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 4.50 000060709 Sault Ste Marie ON 4.40 000065201 Parry Sound ON 4.40 000062001 North Bay ON 4.40 000060609 Sudbury ON 4.10 011011002 MONTG AL 3.90 000020401 SOUTHAMPTON PE 3.80 040191113 Geronimo AZ 3.80 040191032 Rose Elementary AZ 3.80 040191030 Green Valley AZ 3.70 050350005 MARION AR 3.60 051390006 El Dorado AR 3.60 051191008 ADEQ-DSR AR 3.60 051190007 PARR AR 3.60 010735003 CORNER AL 3.60 010735002 PINSON AL 3.60 010732006 HOOVER AL 3.60 010732003 WYLAM AL 3.60 010731010 LEEDS AL 3.60 010731009 PROVIDENCE AL 3.60 010731005 MCADORY AL 3.60 010730023 NO. BHAM AL 3.60 010331002 MSHOALS AL 3.60 000065001 Barrie ON 3.60 000061502 Kitchener ON 3.60 000061402 Brantford ON 3.60 000061302 St. Catharines ON 3.60 000060512 Hamilton Downtown ON 3.60 000060424 Toronto Downtown ON 3.50 060990005 Modesto - 14th Street CA 3.50 060639901 Quincy BAM CA 3.50 060571001 Truckee BAM CA 3.50 060431001 Yosemite Village - Visitor Center CA 3.50 060090001 San Andreas CA 3.20 051430005 SPRNGDLE AR 3.10 000060204 Windsor Downtown ON 3.00 000065801 Chatham ON 3.00 000065301 Port Stanley ON 3.00 000061004 Sarnia ON 3.00 000060903 London ON 2.80 060271023 Bishop Paiute Tribe-CA CA 2.80 000063301 Dorset ON 2.70 000063701 Grand Bend ON 2.70 000062501 Tiverton ON 2.70 000061201 Cornwall ON 2.70 000054703 Bécancour (Aréna) QC 2.70 000054501 L'Assomption QC 2.70 000054401 Saint-Anicet QC 2.70 000052301 Saint-Faustin QC 2.70 000051501 Zéphirin QC 2.70 000050801 Ursulines QC 2.50 000065401 Belleville ON 2.50 000061104 Peterborough ON 2.40 000065701 Morrisburg ON 2.40 000060303 Kingston ON 2.30 000090601 Fort Saskatchewan AB 2.30 000090130 Edmonton Central AB 2.30 000090121 Edmonton East AB 2.30 000090120 Edmonton South AB 2.10 000040302 MONCTON NB 2.10 000030701 AYLESFORD MOUNTAIN NS 2.10 000020301 WELLINGTON PE 2.10 000020104 CHARLOTTETOWN PE 1.90 000040901 ST ANDREWS NB 1.90 000040801 CANTERBURY NB 1.90 000040209 CASTLE ST. SAINT JO NB 1.90 000040207 SAINT JOHN WEST NB 1.90 000040203 FOREST HILLS NB 1.90 000040103 FREDERICTON NB 1.70 000060104 Ottawa ON 1.60 000094301 Cold Lake South AB 1.60 000091101 Elk Island AB 1.60 000041302 BATHURST NB 1.40 080310025 Denver Animal Shelter - 678 S. Jason St. CO 1.40 080310013 Denver - NJH - 14th Ave. & Albion St. CO 1.40 080310002 Denver - CAMP - 2105 Broadway CO 1.40 080010006 Commerce City - 7101 Birch St. CO 1.30 080770017 Grand Junction - Powell Building CO 1.10 000091901 Caroline AB 1.10 000090502 Lethbridge AB 1.10 000090302 Red Deer AB 1.10 000090222 Calgary Northwest AB 1.10 000090218 Calgary East AB 1.00 080410017 Colorado College CO 1.00 080350004 Chatfield Park - 11500 N. Roxborough Par CO 1.00 080131001 Boulder - CU - 2102 Athens St. CO 1.00 080130003 Longmont CO AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)