Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.67 060832004 Lompoc H Street CA 0.59 000061402 Brantford ON 0.59 000061302 St. Catharines ON 0.58 000061104 Peterborough ON 0.58 000061004 Sarnia ON 0.57 000063701 Grand Bend ON 0.55 000062501 Tiverton ON 0.55 000060903 London ON 0.55 000060204 Windsor Downtown ON 0.54 000090120 Edmonton South AB 0.54 000061502 Kitchener ON 0.51 000065401 Belleville ON 0.51 000051501 Zéphirin QC 0.50 060830011 Santa Barbara 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 0.89 060639901 Quincy BAM CA 0.87 000063701 Grand Bend ON 0.87 000061004 Sarnia ON 0.85 000061402 Brantford ON 0.82 061113001 El Rio - Rio Mesa School #2 CA 0.82 060830011 Santa Barbara CA 0.82 000061502 Kitchener ON 0.80 000060512 Hamilton Downtown ON 0.79 060832004 Lompoc H Street CA 0.78 000061104 Peterborough ON 0.77 000062501 Tiverton ON 0.74 000061302 St. Catharines ON 0.74 000060204 Windsor Downtown ON 0.69 000052301 Saint-Faustin QC 0.68 000051501 Zéphirin QC 0.67 000090130 Edmonton Central AB 0.66 000065001 Barrie ON 0.65 000065401 Belleville ON 0.64 000054501 L'Assomption QC 0.63 080010006 Commerce City - 7101 Birch St. CO 0.63 000060903 London ON 0.62 000060424 Toronto Downtown ON 0.61 060850005 San Jose - Jackson St. CA 0.58 061130004 Davis CA 0.58 060670011 Elk Grove CA 0.58 011011002 MONTG AL 0.57 060530002 Unknown CA 0.57 000063301 Dorset ON 0.56 000060303 Kingston ON 0.55 000065801 Chatham ON 0.54 060190008 Fresno - 1st Street CA 0.51 000090121 Edmonton East AB 0.51 000090120 Edmonton South AB 0.50 061131003 Woodland CA 0.50 010970003 CHICK. AL 0.50 000054703 Bécancour (Aréna) QC #coincidences 10-30 and Corr > 0.5 0.77 000040801 CANTERBURY NB 0.71 080130003 Longmont CO 0.61 000091101 Elk Island AB Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 18.90 060870007 Unknown CA 18.30 060530002 Unknown CA 16.60 000030310 SYDNEY NS 13.00 060832004 Lompoc H Street CA 11.40 060850002 Gilory - 9th Street CA 11.20 060953002 Vacaville CA 8.80 061111004 Ojai - Ojai Ave. CA 8.40 060670010 Sacramento - T Street CA 8.20 061113001 El Rio - Rio Mesa School #2 CA 8.20 060830011 Santa Barbara CA 8.00 060410001 San Rafael CA 7.70 060670011 Elk Grove CA 6.80 061131003 Woodland CA 6.70 060410003 Point Reyes CA 6.50 000010401 Mount Pearl NF 6.40 060970003 Santa Rosa - 5th Street CA 6.30 060010007 Livermore - Rincon CA 6.10 060731010 San Diego - Beardsley Street CA 5.70 060750005 San Francisco - Arkansas Street CA 5.00 000040103 FREDERICTON NB 4.80 060550003 Napa - Jefferson St CA 4.80 000020104 CHARLOTTETOWN PE 4.30 060798001 Atascadero CA 4.20 060731008 Camp Pendleton CA 4.10 000030701 AYLESFORD MOUNTAIN NS 3.80 000020301 WELLINGTON PE 2.90 000040302 MONCTON NB 2.70 060010011 Oakland West CA 2.00 061130004 Davis CA 1.90 061110007 Thousand Oaks - Moorpark Road CA 1.90 060792004 Mesa 2 /Nipomo CA 1.50 060731002 Escondido CA 1.00 060659001 Lake Elsinore - W. Flint Street CA 0.70 060670012 Folsom CA #coincidences 10-30 and Corr > 0.5 16.80 000020401 SOUTHAMPTON PE 7.50 060811001 Redwood City CA 7.30 060950004 Vallejo - 304 Tuolumne Street CA 7.20 060690002 Unknown CA 0.90 000040207 SAINT JOHN WEST NB Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 17.60 060530002 Unknown CA 17.00 060870007 Unknown CA 14.70 060832004 Lompoc H Street CA 14.50 060850002 Gilory - 9th Street CA 14.00 060832011 GOLETA CA 12.20 060953002 Vacaville CA 10.60 000030310 SYDNEY NS 10.20 060830011 Santa Barbara CA 9.40 060970003 Santa Rosa - 5th Street CA 9.30 061113001 El Rio - Rio Mesa School #2 CA 9.30 060670010 Sacramento - T Street CA 9.20 061111004 Ojai - Ojai Ave. CA 9.20 060410001 San Rafael CA 8.50 061131003 Woodland CA 8.20 060750005 San Francisco - Arkansas Street CA 8.00 060670011 Elk Grove CA 7.20 060550003 Napa - Jefferson St CA 7.10 060010007 Livermore - Rincon CA 6.70 060670012 Folsom CA 6.50 060798001 Atascadero CA 6.30 060610006 Roseville - N.Sunrise/Douglas CA 6.20 060410003 Point Reyes CA 5.90 060731010 San Diego - Beardsley Street CA 5.70 060670006 Sacramento - Del Paso Manor CA 5.50 060010011 Oakland West CA 4.80 060792004 Mesa 2 /Nipomo CA 3.00 061130004 Davis CA 3.00 000010401 Mount Pearl NF 2.00 060850005 San Jose - Jackson St. CA 2.00 000020104 CHARLOTTETOWN PE 1.60 060431001 Yosemite Village - Visitor Center CA 1.20 000030701 AYLESFORD MOUNTAIN NS 1.10 060290014 Bakersfield - 5558 California Ave CA 0.70 000040103 FREDERICTON NB #coincidences 10-30 and Corr > 0.5 14.10 060690002 Unknown CA 8.80 060950004 Vallejo - 304 Tuolumne Street CA 8.40 060811001 Redwood City CA 8.40 000020401 SOUTHAMPTON PE Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 253.90 060190008 Fresno - 1st Street CA 243.90 040191030 Green Valley AZ 128.60 060959999 Rio Vista CA 82.10 060431001 Yosemite Village - Visitor Center CA 78.50 060610006 Roseville - N.Sunrise/Douglas CA 67.30 060290014 Bakersfield - 5558 California Ave CA 58.90 060832011 GOLETA CA 55.00 040130019 West Phoenix AZ 48.20 000054401 Saint-Anicet QC 43.10 060990005 Modesto - 14th Street CA 41.70 040191032 Rose Elementary AZ 38.20 000090302 Red Deer AB 32.00 060650012 Banning - South Hathaway Street CA 31.10 060711004 Upland CA 26.20 000040203 FOREST HILLS NB 26.00 010730023 NO. BHAM AL 25.10 060710005 Lake Gregory - Crestline CA 24.90 060374002 North Long Beach CA 24.60 060731006 Alpine CA 24.40 060376012 Santa Clarita CA 24.30 060371002 Burbank - W. Palm Ave CA 24.10 000054501 L'Assomption QC 23.50 000061004 Sarnia ON 23.20 060651003 Riverside - Magnolia CA 22.40 060590007 Anaheim CA 22.10 010331002 MSHOALS AL 22.00 051191008 ADEQ-DSR AR 21.80 061112002 Simi Valley - Cochran Street CA 21.60 010732006 HOOVER AL 21.50 061110009 Piru - Pacific CA 21.40 061072002 Visalia - N. Church Street CA 21.20 051190007 PARR AR 21.10 060890007 Anderson CA 20.70 050350005 MARION AR 20.50 060850005 San Jose - Jackson St. CA 20.50 010731010 LEEDS AL 20.00 040139998 Vehicle Emissions Laboratory AZ 20.00 010735002 PINSON AL 19.70 060670006 Sacramento - Del Paso Manor CA 19.50 010731005 MCADORY AL 19.10 010970003 CHICK. AL 19.00 010731009 PROVIDENCE AL 18.80 061113001 El Rio - Rio Mesa School #2 CA 18.80 060830011 Santa Barbara CA 18.50 040139812 Durango AZ 18.20 061111004 Ojai - Ojai Ave. CA 18.20 060730003 El Cajon - Redwood Ave CA 18.20 051390006 El Dorado AR 18.10 060670012 Folsom CA 17.80 061070009 Sequoia/Kings Canyon - Ash Mountain CA 17.80 060731002 Escondido CA 17.50 061110007 Thousand Oaks - Moorpark Road CA 17.30 060659001 Lake Elsinore - W. Flint Street CA 17.00 060850002 Gilory - 9th Street CA 17.00 060010011 Oakland West CA 16.90 000041302 BATHURST NB 16.80 061130004 Davis CA 16.70 011011002 MONTG AL 16.20 040132001 Glendale Community College AZ 16.00 060731010 San Diego - Beardsley Street CA 15.90 000054703 Bécancour (Aréna) QC 15.60 060832004 Lompoc H Street CA 15.30 000060204 Windsor Downtown ON 15.00 060070002 Chico - Manzanita CA 14.70 060210002 Willows - E. Laurel Street CA 14.70 051430005 SPRNGDLE AR 14.60 060550003 Napa - Jefferson St CA 14.60 040191034 Coachline AZ 14.60 010735003 CORNER AL 14.40 060731008 Camp Pendleton CA 14.40 000060512 Hamilton Downtown ON 14.20 080310025 Denver Animal Shelter - 678 S. Jason St. CO 14.20 040191113 Geronimo AZ 14.20 000060303 Kingston ON 14.10 000061104 Peterborough ON 14.10 000051501 Zéphirin QC 13.90 080310013 Denver - NJH - 14th Ave. & Albion St. CO 13.90 040134003 South Phoenix AZ 13.90 000065301 Port Stanley ON 13.80 060639901 Quincy BAM CA 13.80 000061402 Brantford ON 13.80 000060424 Toronto Downtown ON 13.70 000065801 Chatham ON 13.60 000065001 Barrie ON 13.40 000061502 Kitchener ON 13.40 000040209 CASTLE ST. SAINT JO NB 13.30 000060903 London ON 13.20 060010007 Livermore - Rincon CA 13.10 000063701 Grand Bend ON 13.00 080310002 Denver - CAMP - 2105 Broadway CO 13.00 080131001 Boulder - CU - 2102 Athens St. CO 13.00 060970003 Santa Rosa - 5th Street CA 13.00 000061201 Cornwall ON 12.90 060530002 Unknown CA 12.70 060750005 San Francisco - Arkansas Street CA 12.70 000061302 St. Catharines ON 12.50 060792004 Mesa 2 /Nipomo CA 12.50 000065701 Morrisburg ON 12.50 000040901 ST ANDREWS NB 12.30 000063301 Dorset ON 12.10 060410003 Point Reyes CA 12.10 060410001 San Rafael CA 12.00 061131003 Woodland CA 12.00 000062001 North Bay ON 11.60 000065201 Parry Sound ON 11.60 000062501 Tiverton ON 11.50 000060709 Sault Ste Marie ON 11.40 000065401 Belleville ON 11.40 000060104 Ottawa ON 11.20 080410017 Colorado College CO 11.20 000090502 Lethbridge AB 11.10 060670010 Sacramento - T Street CA 11.00 000052301 Saint-Faustin QC 10.80 060670011 Elk Grove CA 10.80 000060609 Sudbury ON 10.60 060870007 Unknown CA 10.60 040134010 Dysart AZ 10.60 000040302 MONCTON NB 10.50 000090121 Edmonton East AB 10.40 080010006 Commerce City - 7101 Birch St. CO 10.20 040138005 Estrella AZ 10.20 000020104 CHARLOTTETOWN PE 10.10 060798001 Atascadero CA 10.00 000030701 AYLESFORD MOUNTAIN NS 9.60 000090120 Edmonton South AB 9.40 000020301 WELLINGTON PE 9.30 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 8.80 000090130 Edmonton Central AB 8.80 000010401 Mount Pearl NF 8.30 060953002 Vacaville CA 8.10 000040103 FREDERICTON NB 7.70 080770017 Grand Junction - Powell Building CO 7.30 000030310 SYDNEY NS 6.60 000094301 Cold Lake South AB #coincidences 10-30 and Corr > 0.5 54.70 061010003 Yuba City CA 28.90 060658001 Riverside - Rubidoux CA 28.80 010732003 WYLAM AL 25.90 060371201 Reseda CA 25.00 060370016 Glendora - Laurel CA 24.50 060250005 Calexico - Ethel Street CA 23.30 060690002 Unknown CA 21.00 000040801 CANTERBURY NB 16.90 060074001 Gridley CA 16.00 060631007 Chester BAM CA 13.20 060950004 Vallejo - 304 Tuolumne Street CA 13.00 060811001 Redwood City CA 11.50 000090222 Calgary Northwest AB 11.50 000040207 SAINT JOHN WEST NB 11.00 060990006 Turlock - S. Minaret Street CA 10.50 000090402 Medicine Hat - Crescent Hts AB 9.80 000020401 SOUTHAMPTON PE 8.60 080350004 Chatfield Park - 11500 N. Roxborough Par CO 8.40 080130003 Longmont CO 8.10 000091901 Caroline AB 4.20 000091101 Elk Island AB 4.00 000090601 Fort Saskatchewan AB Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 20.30 060870007 Unknown CA 20.30 060850002 Gilory - 9th Street CA 20.30 060690002 Unknown CA 20.30 060530002 Unknown CA 17.60 000030310 SYDNEY NS 16.90 060731010 San Diego - Beardsley Street CA 15.20 000010401 Mount Pearl NF 12.40 060731006 Alpine CA 12.40 060730003 El Cajon - Redwood Ave CA 12.40 060250005 Calexico - Ethel Street CA 12.40 000020401 SOUTHAMPTON PE 12.00 061113001 El Rio - Rio Mesa School #2 CA 12.00 061111004 Ojai - Ojai Ave. CA 12.00 060832011 GOLETA CA 12.00 060832004 Lompoc H Street CA 12.00 060830011 Santa Barbara CA 10.90 061131003 Woodland CA 10.90 061130004 Davis CA 10.90 060970003 Santa Rosa - 5th Street CA 10.90 060959999 Rio Vista CA 10.90 060953002 Vacaville CA 10.90 060950004 Vallejo - 304 Tuolumne Street CA 10.90 060850005 San Jose - Jackson St. CA 10.90 060811001 Redwood City CA 10.90 060750005 San Francisco - Arkansas Street CA 10.90 060670012 Folsom CA 10.90 060670011 Elk Grove CA 10.90 060670010 Sacramento - T Street CA 10.90 060670006 Sacramento - Del Paso Manor CA 10.90 060610006 Roseville - N.Sunrise/Douglas CA 10.90 060550003 Napa - Jefferson St CA 10.90 060410003 Point Reyes CA 10.90 060410001 San Rafael CA 10.90 060010011 Oakland West CA 10.90 060010007 Livermore - Rincon CA 8.60 061112002 Simi Valley - Cochran Street CA 8.60 061110009 Piru - Pacific CA 8.60 061110007 Thousand Oaks - Moorpark Road CA 8.60 060731008 Camp Pendleton CA 8.60 060731002 Escondido CA 8.60 060711004 Upland CA 8.60 060710005 Lake Gregory - Crestline CA 8.60 060659001 Lake Elsinore - W. Flint Street CA 8.60 060658001 Riverside - Rubidoux CA 8.60 060651003 Riverside - Magnolia CA 8.60 060590007 Anaheim CA 8.60 060376012 Santa Clarita CA 8.60 060374002 North Long Beach CA 8.60 060371201 Reseda CA 8.60 060371002 Burbank - W. Palm Ave CA 8.60 060370016 Glendora - Laurel CA 7.80 061072002 Visalia - N. Church Street CA 7.80 060798001 Atascadero CA 7.80 060792004 Mesa 2 /Nipomo CA 7.80 060290014 Bakersfield - 5558 California Ave CA 7.80 060190008 Fresno - 1st Street CA 6.90 000054703 Bécancour (Aréna) QC 6.90 000051501 Zéphirin QC 6.70 060650012 Banning - South Hathaway Street CA 6.50 040191034 Coachline AZ 5.80 000040901 ST ANDREWS NB 5.80 000040801 CANTERBURY NB 5.20 000065001 Barrie ON 5.20 000061502 Kitchener ON 5.20 000061402 Brantford ON 5.20 000061302 St. Catharines ON 5.20 000060512 Hamilton Downtown ON 5.20 000060424 Toronto Downtown ON 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 000063701 Grand Bend ON 5.10 000062501 Tiverton ON 5.00 000061201 Cornwall ON 5.00 000054501 L'Assomption QC 5.00 000054401 Saint-Anicet QC 5.00 000052301 Saint-Faustin QC 4.80 061070009 Sequoia/Kings Canyon - Ash Mountain CA 4.80 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 4.80 000065701 Morrisburg ON 4.80 000060303 Kingston ON 4.50 040139998 Vehicle Emissions Laboratory AZ 4.50 040139812 Durango AZ 4.50 040138005 Estrella AZ 4.50 040134010 Dysart AZ 4.50 040134003 South Phoenix AZ 4.50 040132001 Glendale Community College AZ 4.50 040130019 West Phoenix AZ 4.40 060990006 Turlock - S. Minaret Street CA 4.40 060990005 Modesto - 14th Street CA 4.40 060431001 Yosemite Village - Visitor Center CA 4.10 051390006 El Dorado AR 4.10 051191008 ADEQ-DSR AR 4.10 051190007 PARR AR 4.10 011011002 MONTG AL 4.00 000040302 MONCTON NB 4.00 000030701 AYLESFORD MOUNTAIN NS 4.00 000020301 WELLINGTON PE 4.00 000020104 CHARLOTTETOWN PE 3.90 010735003 CORNER AL 3.90 010735002 PINSON AL 3.90 010732006 HOOVER AL 3.90 010732003 WYLAM AL 3.90 010731010 LEEDS AL 3.90 010730023 NO. BHAM AL 3.80 000041302 BATHURST NB 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 050350005 MARION AR 3.30 010731009 PROVIDENCE AL 3.30 010731005 MCADORY AL 3.30 010331002 MSHOALS AL 3.20 061010003 Yuba City CA 3.20 060890007 Anderson CA 3.20 060631007 Chester BAM CA 3.20 060570005 Grass Valley CA 3.20 060210002 Willows - E. Laurel Street CA 3.20 060074001 Gridley CA 3.20 060070002 Chico - Manzanita CA 3.20 000065401 Belleville ON 3.20 000061104 Peterborough ON 2.60 051430005 SPRNGDLE AR 2.60 000065801 Chatham ON 2.60 000065301 Port Stanley ON 2.60 000061004 Sarnia ON 2.60 000060903 London ON 2.50 000060204 Windsor Downtown ON 2.30 010970003 CHICK. AL 2.30 000060104 Ottawa ON 2.20 060639901 Quincy BAM CA 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 1.70 000091901 Caroline AB 1.70 000090302 Red Deer AB 1.70 000090222 Calgary Northwest AB 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 080010006 Commerce City - 7101 Birch St. CO 1.60 000063301 Dorset ON 1.50 000091101 Elk Island AB 1.40 000060709 Sault Ste Marie ON 1.30 000094301 Cold Lake South AB 1.30 000065201 Parry Sound ON 1.30 000062001 North Bay ON 1.30 000060609 Sudbury ON 1.20 000090402 Medicine Hat - Crescent Hts AB 1.10 040191113 Geronimo AZ 1.10 040191032 Rose Elementary AZ 1.10 040191030 Green Valley AZ 1.00 080410017 Colorado College CO 0.80 000090502 Lethbridge AB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)