Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.79 000061004 Sarnia ON 0.78 000060903 London ON 0.77 000065701 Morrisburg ON 0.75 000061402 Brantford ON 0.72 000061104 Peterborough ON 0.69 000065401 Belleville ON 0.64 000040203 FOREST HILLS NB 0.63 000063301 Dorset ON 0.62 000065801 Chatham ON 0.60 000061201 Cornwall ON 0.60 000060609 Sudbury ON 0.57 000065201 Parry Sound ON 0.57 000062001 North Bay ON 0.56 061072002 Visalia - N. Church Street CA 0.56 000063701 Grand Bend ON 0.56 000040103 FREDERICTON NB 0.55 000060512 Hamilton Downtown ON 0.53 000065001 Barrie ON 0.53 000020301 WELLINGTON PE 0.50 010732006 HOOVER AL #coincidences 10-30 and Corr > 0.5 0.75 000060204 Windsor Downtown ON 0.69 000090120 Edmonton South AB 0.68 060832004 Lompoc H Street CA 0.68 000061502 Kitchener ON 0.68 000051501 Zéphirin QC 0.66 000060303 Kingston ON 0.66 000040901 ST ANDREWS NB 0.65 000062501 Tiverton ON 0.62 000060104 Ottawa ON 0.61 060690002 Unknown CA 0.61 000061302 St. Catharines ON 0.59 000054501 L'Assomption QC 0.59 000040801 CANTERBURY NB 0.58 060530002 Unknown CA 0.56 060850002 Gilory - 9th Street CA 0.55 000054703 Bécancour (Aréna) QC 0.54 000030701 AYLESFORD MOUNTAIN NS 0.52 000040302 MONCTON NB 0.51 000040207 SAINT JOHN WEST NB 0.50 000090601 Fort Saskatchewan AB Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences 10-30 and Corr > 0.5 0.98 000061004 Sarnia ON 0.98 000060903 London ON 0.98 000054703 Bécancour (Aréna) QC 0.96 000065801 Chatham ON 0.96 000060204 Windsor Downtown ON 0.95 000061104 Peterborough ON 0.95 000051501 Zéphirin QC 0.94 000060303 Kingston ON 0.93 061072002 Visalia - N. Church Street CA 0.93 060639901 Quincy BAM CA 0.92 000061402 Brantford ON 0.92 000060512 Hamilton Downtown ON 0.91 000065701 Morrisburg ON 0.91 000062501 Tiverton ON 0.90 000063701 Grand Bend ON 0.90 000061201 Cornwall ON 0.90 000054501 L'Assomption QC 0.89 000061502 Kitchener ON 0.88 000052301 Saint-Faustin QC 0.87 000090120 Edmonton South AB 0.86 000065401 Belleville ON 0.86 000060104 Ottawa ON 0.86 000040203 FOREST HILLS NB 0.84 000060609 Sudbury ON 0.83 080350004 Chatfield Park - 11500 N. Roxborough Par CO 0.82 060850005 San Jose - Jackson St. CA 0.82 000063301 Dorset ON 0.81 000040801 CANTERBURY NB 0.80 061130004 Davis CA 0.80 000065301 Port Stanley ON 0.80 000040901 ST ANDREWS NB 0.79 000062001 North Bay ON 0.79 000040103 FREDERICTON NB 0.78 060731010 San Diego - Beardsley Street CA 0.77 080131001 Boulder - CU - 2102 Athens St. CO 0.77 060832004 Lompoc H Street CA 0.77 010732006 HOOVER AL 0.77 000061302 St. Catharines ON 0.76 060850002 Gilory - 9th Street CA 0.76 000065001 Barrie ON 0.75 000065201 Parry Sound ON 0.75 000040207 SAINT JOHN WEST NB 0.73 000040209 CASTLE ST. SAINT JO NB 0.72 000090130 Edmonton Central AB 0.71 000060424 Toronto Downtown ON 0.70 000030701 AYLESFORD MOUNTAIN NS 0.69 060590007 Anaheim CA 0.69 060190008 Fresno - 1st Street CA 0.66 000090121 Edmonton East AB 0.65 060731008 Camp Pendleton CA 0.64 080410017 Colorado College CO 0.63 060010007 Livermore - Rincon CA 0.62 060830011 Santa Barbara CA 0.62 060010011 Oakland West CA 0.61 000040302 MONCTON NB 0.60 060530002 Unknown CA 0.59 000090601 Fort Saskatchewan AB 0.58 060731002 Escondido CA 0.57 060832011 GOLETA CA 0.55 000091101 Elk Island AB 0.52 060890007 Anderson CA 0.51 061131003 Woodland CA 0.51 000054401 Saint-Anicet QC 0.51 000020301 WELLINGTON PE 0.50 060610006 Roseville - N.Sunrise/Douglas CA Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences 10-30 and Corr > 0.5 16.80 060530002 Unknown CA 16.60 060870007 Unknown CA 14.50 000030310 SYDNEY NS 13.50 060953002 Vacaville CA 12.70 060850002 Gilory - 9th Street CA 11.10 060832004 Lompoc H Street CA 10.40 060670010 Sacramento - T Street CA 10.20 060970003 Santa Rosa - 5th Street CA 10.10 060670012 Folsom CA 9.40 060010007 Livermore - Rincon CA 9.10 060670006 Sacramento - Del Paso Manor CA 8.60 060670011 Elk Grove CA 8.50 060750005 San Francisco - Arkansas Street CA 8.30 000010401 Mount Pearl NF 8.00 060410003 Point Reyes CA 7.90 061131003 Woodland CA 7.50 060010011 Oakland West CA 7.20 060550003 Napa - Jefferson St CA 7.10 060410001 San Rafael CA 6.20 000020104 CHARLOTTETOWN PE 5.90 060798001 Atascadero CA 4.50 061113001 El Rio - Rio Mesa School #2 CA 4.40 060830011 Santa Barbara CA 4.40 000040103 FREDERICTON NB 4.20 061111004 Ojai - Ojai Ave. CA 4.00 060731010 San Diego - Beardsley Street CA 3.70 061130004 Davis CA 3.50 060792004 Mesa 2 /Nipomo CA 3.40 060731008 Camp Pendleton CA 2.60 061110007 Thousand Oaks - Moorpark Road CA 2.60 000030701 AYLESFORD MOUNTAIN NS 2.40 060659001 Lake Elsinore - W. Flint Street CA 2.40 000020301 WELLINGTON PE 1.70 000040209 CASTLE ST. SAINT JO NB 1.20 061072002 Visalia - N. Church Street CA 1.20 060990005 Modesto - 14th Street CA 1.10 000040207 SAINT JOHN WEST NB 0.90 000040302 MONCTON NB 0.80 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 0.50 060850005 San Jose - Jackson St. CA Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences 10-30 and Corr > 0.5 16.00 060530002 Unknown CA 15.50 060870007 Unknown CA 12.80 000030310 SYDNEY NS 11.70 060832004 Lompoc H Street CA 11.50 060010011 Oakland West CA 11.40 060953002 Vacaville CA 10.70 060850002 Gilory - 9th Street CA 10.60 060410001 San Rafael CA 10.30 060970003 Santa Rosa - 5th Street CA 9.20 060832011 GOLETA CA 8.80 060670010 Sacramento - T Street CA 8.60 060670012 Folsom CA 8.40 060550003 Napa - Jefferson St CA 8.10 060010007 Livermore - Rincon CA 7.60 061131003 Woodland CA 6.80 060750005 San Francisco - Arkansas Street CA 6.60 060830011 Santa Barbara CA 6.60 060670006 Sacramento - Del Paso Manor CA 6.50 060410003 Point Reyes CA 6.40 060798001 Atascadero CA 6.20 060731010 San Diego - Beardsley Street CA 6.10 060670011 Elk Grove CA 5.90 060610006 Roseville - N.Sunrise/Douglas CA 5.80 061113001 El Rio - Rio Mesa School #2 CA 5.80 060792004 Mesa 2 /Nipomo CA 4.00 060290014 Bakersfield - 5558 California Ave CA 4.00 000010401 Mount Pearl NF 3.30 000020104 CHARLOTTETOWN PE 3.20 060850005 San Jose - Jackson St. CA 3.00 061111004 Ojai - Ojai Ave. CA 2.60 061130004 Davis CA 2.40 060431001 Yosemite Village - Visitor Center CA 2.40 000030701 AYLESFORD MOUNTAIN NS 2.30 061110007 Thousand Oaks - Moorpark Road CA 2.00 061072002 Visalia - N. Church Street CA 1.00 060990006 Turlock - S. Minaret Street CA 0.90 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 0.80 060990005 Modesto - 14th Street CA 0.70 060374002 North Long Beach CA 0.60 060731002 Escondido CA 0.50 000040103 FREDERICTON NB Mean observed daytime surface PM2.5 (6-hourly) #coincidences 10-30 and Corr > 0.5 478.40 040191030 Green Valley AZ 415.20 060190008 Fresno - 1st Street CA 402.30 060959999 Rio Vista CA 174.80 060431001 Yosemite Village - Visitor Center CA 114.10 060290014 Bakersfield - 5558 California Ave CA 105.10 060832011 GOLETA CA 104.00 060610006 Roseville - N.Sunrise/Douglas CA 84.90 040130019 West Phoenix AZ 79.00 000054401 Saint-Anicet QC 55.80 000090302 Red Deer AB 30.80 010732003 WYLAM AL 29.40 060658001 Riverside - Rubidoux CA 27.60 060711004 Upland CA 27.10 010732006 HOOVER AL 26.60 060650012 Banning - South Hathaway Street CA 25.90 060371201 Reseda CA 25.60 060710005 Lake Gregory - Crestline CA 25.30 000054501 L'Assomption QC 24.00 060376012 Santa Clarita CA 23.40 000040203 FOREST HILLS NB 23.00 061112002 Simi Valley - Cochran Street CA 23.00 060651003 Riverside - Magnolia CA 22.70 060731006 Alpine CA 22.60 060371002 Burbank - W. Palm Ave CA 22.40 010730023 NO. BHAM AL 22.00 060890007 Anderson CA 21.60 000040801 CANTERBURY NB 20.90 060374002 North Long Beach CA 20.60 010731010 LEEDS AL 20.50 050350005 MARION AR 20.30 051191008 ADEQ-DSR AR 20.10 061110009 Piru - Pacific CA 19.80 010331002 MSHOALS AL 19.00 060590007 Anaheim CA 18.40 000041302 BATHURST NB 18.30 051190007 PARR AR 18.20 060850005 San Jose - Jackson St. CA 17.40 000061004 Sarnia ON 17.20 060731002 Escondido CA 16.90 060074001 Gridley CA 16.90 000060512 Hamilton Downtown ON 16.80 010970003 CHICK. AL 16.40 060730003 El Cajon - Redwood Ave CA 16.40 000061104 Peterborough ON 16.30 061111004 Ojai - Ojai Ave. CA 16.30 010731005 MCADORY AL 16.10 061113001 El Rio - Rio Mesa School #2 CA 16.10 060830011 Santa Barbara CA 16.10 051390006 El Dorado AR 16.10 000065301 Port Stanley ON 16.00 060659001 Lake Elsinore - W. Flint Street CA 15.90 000060303 Kingston ON 15.70 061110007 Thousand Oaks - Moorpark Road CA 15.70 010735002 PINSON AL 15.60 010731009 PROVIDENCE AL 15.60 000054703 Bécancour (Aréna) QC 15.30 000051501 Zéphirin QC 15.00 000065801 Chatham ON 15.00 000061502 Kitchener ON 14.80 061070009 Sequoia/Kings Canyon - Ash Mountain CA 14.50 060210002 Willows - E. Laurel Street CA 14.50 000065001 Barrie ON 14.50 000061402 Brantford ON 14.40 000065701 Morrisburg ON 14.10 060731008 Camp Pendleton CA 14.10 060070002 Chico - Manzanita CA 14.10 000061302 St. Catharines ON 13.90 061130004 Davis CA 13.90 011011002 MONTG AL 13.80 060731010 San Diego - Beardsley Street CA 13.80 060631007 Chester BAM CA 13.70 040191032 Rose Elementary AZ 13.60 080310025 Denver Animal Shelter - 678 S. Jason St. CO 13.60 080131001 Boulder - CU - 2102 Athens St. CO 13.60 000061201 Cornwall ON 13.50 000062001 North Bay ON 13.10 040191034 Coachline AZ 13.10 000060424 Toronto Downtown ON 12.90 000060709 Sault Ste Marie ON 12.80 080310002 Denver - CAMP - 2105 Broadway CO 12.80 010735003 CORNER AL 12.70 051430005 SPRNGDLE AR 12.60 060639901 Quincy BAM CA 12.60 000065201 Parry Sound ON 12.60 000063701 Grand Bend ON 12.50 080310013 Denver - NJH - 14th Ave. & Albion St. CO 12.50 061072002 Visalia - N. Church Street CA 12.50 000063301 Dorset ON 12.40 060410001 San Rafael CA 12.40 040191113 Geronimo AZ 12.40 000090502 Lethbridge AB 11.90 000060903 London ON 11.90 000040901 ST ANDREWS NB 11.90 000040207 SAINT JOHN WEST NB 11.80 000065401 Belleville ON 11.80 000040209 CASTLE ST. SAINT JO NB 11.70 000062501 Tiverton ON 11.60 040134003 South Phoenix AZ 11.60 000040302 MONCTON NB 11.30 060010011 Oakland West CA 11.30 040139812 Durango AZ 11.20 060550003 Napa - Jefferson St CA 11.10 060832004 Lompoc H Street CA 11.10 000090222 Calgary Northwest AB 10.90 080410017 Colorado College CO 10.90 000060609 Sudbury ON 10.90 000030701 AYLESFORD MOUNTAIN NS 10.50 060792004 Mesa 2 /Nipomo CA 10.40 000052301 Saint-Faustin QC 10.10 080770017 Grand Junction - Powell Building CO 10.00 060990006 Turlock - S. Minaret Street CA 10.00 000090121 Edmonton East AB 9.80 060530002 Unknown CA 9.80 000060204 Windsor Downtown ON 9.70 061131003 Woodland CA 9.60 000020104 CHARLOTTETOWN PE 9.50 000090120 Edmonton South AB 9.50 000060104 Ottawa ON 9.40 000020301 WELLINGTON PE 9.30 060410003 Point Reyes CA 9.10 060010007 Livermore - Rincon CA 9.10 040139998 Vehicle Emissions Laboratory AZ 9.10 040132001 Glendale Community College AZ 9.00 080350004 Chatfield Park - 11500 N. Roxborough Par CO 9.00 000090130 Edmonton Central AB 8.60 060990005 Modesto - 14th Street CA 8.50 060670006 Sacramento - Del Paso Manor CA 8.50 000010401 Mount Pearl NF 8.40 080010006 Commerce City - 7101 Birch St. CO 8.40 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 8.30 060850002 Gilory - 9th Street CA 8.20 060970003 Santa Rosa - 5th Street CA 8.00 060798001 Atascadero CA 8.00 060670010 Sacramento - T Street CA 8.00 000091901 Caroline AB 8.00 000040103 FREDERICTON NB 7.90 060750005 San Francisco - Arkansas Street CA 7.80 060670011 Elk Grove CA 7.80 040138005 Estrella AZ 7.80 040134010 Dysart AZ 7.50 060670012 Folsom CA 7.30 080130003 Longmont CO 7.30 000030310 SYDNEY NS 7.10 060870007 Unknown CA 5.70 000094301 Cold Lake South AB 4.90 060953002 Vacaville CA 4.00 000090601 Fort Saskatchewan AB 2.70 000091101 Elk Island AB Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 44.60 000030310 SYDNEY NS 36.10 060870007 Unknown CA 36.10 060850002 Gilory - 9th Street CA 36.10 060690002 Unknown CA 36.10 060530002 Unknown CA 29.50 000010401 Mount Pearl NF 27.80 000020401 SOUTHAMPTON PE 24.70 061113001 El Rio - Rio Mesa School #2 CA 24.70 061111004 Ojai - Ojai Ave. CA 24.70 060832011 GOLETA CA 24.70 060832004 Lompoc H Street CA 24.70 060830011 Santa Barbara CA 16.40 060731010 San Diego - Beardsley Street CA 14.90 061131003 Woodland CA 14.90 061130004 Davis CA 14.90 060970003 Santa Rosa - 5th Street CA 14.90 060959999 Rio Vista CA 14.90 060953002 Vacaville CA 14.90 060950004 Vallejo - 304 Tuolumne Street CA 14.90 060850005 San Jose - Jackson St. CA 14.90 060811001 Redwood City CA 14.90 060750005 San Francisco - Arkansas Street CA 14.90 060670012 Folsom CA 14.90 060670011 Elk Grove CA 14.90 060670010 Sacramento - T Street CA 14.90 060670006 Sacramento - Del Paso Manor CA 14.90 060610006 Roseville - N.Sunrise/Douglas CA 14.90 060550003 Napa - Jefferson St CA 14.90 060410003 Point Reyes CA 14.90 060410001 San Rafael CA 14.90 060010011 Oakland West CA 14.90 060010007 Livermore - Rincon CA 13.50 061072002 Visalia - N. Church Street CA 13.50 060798001 Atascadero CA 13.50 060792004 Mesa 2 /Nipomo CA 13.50 060290014 Bakersfield - 5558 California Ave CA 13.50 060190008 Fresno - 1st Street CA 10.30 040191034 Coachline AZ 10.20 060731006 Alpine CA 10.20 060730003 El Cajon - Redwood Ave CA 10.20 060250005 Calexico - Ethel Street CA 9.10 000060204 Windsor Downtown ON 9.00 060650012 Banning - South Hathaway Street CA 8.80 000065701 Morrisburg ON 8.80 000060303 Kingston ON 8.60 051390006 El Dorado AR 8.60 051191008 ADEQ-DSR AR 8.60 051190007 PARR AR 8.30 061112002 Simi Valley - Cochran Street CA 8.30 061110009 Piru - Pacific CA 8.30 061110007 Thousand Oaks - Moorpark Road CA 8.30 060731008 Camp Pendleton CA 8.30 060731002 Escondido CA 8.30 060711004 Upland CA 8.30 060710005 Lake Gregory - Crestline CA 8.30 060659001 Lake Elsinore - W. Flint Street CA 8.30 060658001 Riverside - Rubidoux CA 8.30 060651003 Riverside - Magnolia CA 8.30 060590007 Anaheim CA 8.30 060376012 Santa Clarita CA 8.30 060374002 North Long Beach CA 8.30 060371201 Reseda CA 8.30 060371002 Burbank - W. Palm Ave CA 8.30 060370016 Glendora - Laurel CA 8.30 000065801 Chatham ON 8.30 000065301 Port Stanley ON 8.30 000061004 Sarnia ON 8.30 000060903 London ON 8.30 000040302 MONCTON NB 8.30 000030701 AYLESFORD MOUNTAIN NS 8.30 000020301 WELLINGTON PE 8.30 000020104 CHARLOTTETOWN PE 6.20 061070009 Sequoia/Kings Canyon - Ash Mountain CA 6.20 060990006 Turlock - S. Minaret Street CA 6.20 060990005 Modesto - 14th Street CA 6.20 060431001 Yosemite Village - Visitor Center CA 6.20 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 6.00 040191113 Geronimo AZ 6.00 040191032 Rose Elementary AZ 6.00 040191030 Green Valley AZ 5.80 000040209 CASTLE ST. SAINT JO NB 5.80 000040207 SAINT JOHN WEST NB 5.80 000040203 FOREST HILLS NB 5.80 000040103 FREDERICTON NB 5.50 000054703 Bécancour (Aréna) QC 5.50 000051501 Zéphirin QC 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 000065401 Belleville ON 4.40 000061104 Peterborough ON 4.20 000065001 Barrie ON 4.20 000061502 Kitchener ON 4.20 000061402 Brantford ON 4.20 000061302 St. Catharines ON 4.20 000060512 Hamilton Downtown ON 4.20 000060424 Toronto Downtown ON 3.90 000061201 Cornwall ON 3.90 000054501 L'Assomption QC 3.90 000054401 Saint-Anicet QC 3.90 000052301 Saint-Faustin QC 3.80 061010003 Yuba City CA 3.80 060890007 Anderson CA 3.80 060631007 Chester BAM CA 3.80 060570005 Grass Valley CA 3.80 060210002 Willows - E. Laurel Street CA 3.80 060074001 Gridley CA 3.80 060070002 Chico - Manzanita CA 3.70 000040901 ST ANDREWS NB 3.70 000040801 CANTERBURY NB 3.60 080770017 Grand Junction - Powell Building CO 3.60 010731009 PROVIDENCE AL 3.60 010731005 MCADORY AL 3.60 010331002 MSHOALS AL 3.50 051430005 SPRNGDLE AR 3.00 010735003 CORNER AL 3.00 010735002 PINSON AL 3.00 010732006 HOOVER AL 3.00 010732003 WYLAM AL 3.00 010731010 LEEDS AL 3.00 010730023 NO. BHAM AL 2.80 000063701 Grand Bend ON 2.80 000062501 Tiverton ON 2.80 000060104 Ottawa ON 2.70 080310025 Denver Animal Shelter - 678 S. Jason St. CO 2.70 080310013 Denver - NJH - 14th Ave. & Albion St. CO 2.70 080310002 Denver - CAMP - 2105 Broadway CO 2.70 080010006 Commerce City - 7101 Birch St. CO 2.70 050350005 MARION AR 2.70 011011002 MONTG AL 2.70 000090601 Fort Saskatchewan AB 2.70 000090130 Edmonton Central AB 2.70 000090121 Edmonton East AB 2.70 000090120 Edmonton South AB 2.70 000041302 BATHURST NB 2.60 000063301 Dorset ON 2.30 060639901 Quincy BAM CA 2.30 000060709 Sault Ste Marie ON 2.20 000065201 Parry Sound ON 2.20 000062001 North Bay ON 2.20 000060609 Sudbury ON 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 010970003 CHICK. AL 1.30 000091901 Caroline AB 1.30 000090302 Red Deer AB 1.30 000090222 Calgary Northwest AB 1.10 080410017 Colorado College CO 0.90 000091101 Elk Island AB 0.50 000090402 Medicine Hat - Crescent Hts AB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)