Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.78 000061004 Sarnia ON 0.76 000065701 Morrisburg ON 0.72 000060204 Windsor Downtown ON 0.70 000061104 Peterborough ON 0.68 000061402 Brantford ON 0.67 060832004 Lompoc H Street CA 0.67 000051501 Zéphirin QC 0.66 000060303 Kingston ON 0.64 000065401 Belleville ON 0.64 000060903 London ON 0.63 000062501 Tiverton ON 0.62 000063301 Dorset ON 0.60 000061502 Kitchener ON 0.59 000061302 St. Catharines ON 0.59 000040901 ST ANDREWS NB 0.57 000060609 Sudbury ON 0.56 000062001 North Bay ON 0.56 000054501 L'Assomption QC 0.55 000063701 Grand Bend ON 0.55 000040203 FOREST HILLS NB 0.54 000065201 Parry Sound ON 0.54 000040801 CANTERBURY NB 0.53 060530002 Unknown CA 0.52 060639901 Quincy BAM CA 0.52 000065801 Chatham ON 0.52 000065001 Barrie ON 0.52 000061201 Cornwall ON 0.52 000040103 FREDERICTON NB 0.50 010732006 HOOVER AL 0.50 000052301 Saint-Faustin QC #coincidences 10-30 and Corr > 0.5 0.62 000060104 Ottawa ON 0.57 000090120 Edmonton South AB Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences 10-30 and Corr > 0.5 0.97 000061004 Sarnia ON 0.94 060639901 Quincy BAM CA 0.93 000061104 Peterborough ON 0.92 000060303 Kingston ON 0.92 000060204 Windsor Downtown ON 0.90 000065701 Morrisburg ON 0.90 000062501 Tiverton ON 0.90 000051501 Zéphirin QC 0.88 000061502 Kitchener ON 0.87 061072002 Visalia - N. Church Street CA 0.87 000090120 Edmonton South AB 0.87 000061402 Brantford ON 0.87 000060512 Hamilton Downtown ON 0.86 000063701 Grand Bend ON 0.86 000052301 Saint-Faustin QC 0.84 000060903 London ON 0.84 000060104 Ottawa ON 0.84 000054703 Bécancour (Aréna) QC 0.82 060850005 San Jose - Jackson St. CA 0.82 000065401 Belleville ON 0.82 000063301 Dorset ON 0.79 060832004 Lompoc H Street CA 0.79 060830011 Santa Barbara CA 0.79 000065801 Chatham ON 0.79 000054501 L'Assomption QC 0.78 061130004 Davis CA 0.78 000061201 Cornwall ON 0.78 000060609 Sudbury ON 0.77 080130003 Longmont CO 0.77 010732006 HOOVER AL 0.75 000065001 Barrie ON 0.75 000040801 CANTERBURY NB 0.74 060850002 Gilory - 9th Street CA 0.74 000062001 North Bay ON 0.73 000040203 FOREST HILLS NB 0.72 000090130 Edmonton Central AB 0.72 000065201 Parry Sound ON 0.71 000061302 St. Catharines ON 0.70 000040103 FREDERICTON NB 0.69 061113001 El Rio - Rio Mesa School #2 CA 0.69 060731002 Escondido CA 0.69 060590007 Anaheim CA 0.69 000040901 ST ANDREWS NB 0.68 060530002 Unknown CA 0.67 060690002 Unknown CA 0.66 000090121 Edmonton East AB 0.66 000060424 Toronto Downtown ON 0.65 060010007 Livermore - Rincon CA 0.62 061131003 Woodland CA 0.62 060670011 Elk Grove CA 0.59 000090601 Fort Saskatchewan AB 0.57 060550003 Napa - Jefferson St CA 0.57 060010011 Oakland West CA 0.55 060731010 San Diego - Beardsley Street CA 0.55 060190008 Fresno - 1st Street CA 0.55 000091101 Elk Island AB 0.54 080131001 Boulder - CU - 2102 Athens St. CO 0.54 060890007 Anderson CA 0.52 000065301 Port Stanley ON 0.51 060410003 Point Reyes CA 0.50 060670010 Sacramento - T Street CA 0.50 000040302 MONCTON NB Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences 10-30 and Corr > 0.5 17.40 060870007 Unknown CA 16.40 060530002 Unknown CA 15.90 060690002 Unknown CA 13.40 060953002 Vacaville CA 13.20 000030310 SYDNEY NS 13.10 060850002 Gilory - 9th Street CA 11.10 060832004 Lompoc H Street CA 11.10 060811001 Redwood City CA 10.70 060670012 Folsom CA 10.30 060950004 Vallejo - 304 Tuolumne Street CA 10.30 060670010 Sacramento - T Street CA 9.90 060010007 Livermore - Rincon CA 9.70 000020401 SOUTHAMPTON PE 9.60 060970003 Santa Rosa - 5th Street CA 9.60 060750005 San Francisco - Arkansas Street CA 9.60 060670006 Sacramento - Del Paso Manor CA 8.90 060410003 Point Reyes CA 8.80 000010401 Mount Pearl NF 8.70 060410001 San Rafael CA 8.10 060670011 Elk Grove CA 7.50 061131003 Woodland CA 7.20 060798001 Atascadero CA 7.20 060010011 Oakland West CA 5.70 060550003 Napa - Jefferson St CA 5.60 061111004 Ojai - Ojai Ave. CA 5.00 061113001 El Rio - Rio Mesa School #2 CA 5.00 060792004 Mesa 2 /Nipomo CA 4.90 060830011 Santa Barbara CA 4.00 060731008 Camp Pendleton CA 3.80 000040103 FREDERICTON NB 3.60 060731010 San Diego - Beardsley Street CA 3.50 000020104 CHARLOTTETOWN PE 3.20 061130004 Davis CA 3.20 061110007 Thousand Oaks - Moorpark Road CA 2.40 060659001 Lake Elsinore - W. Flint Street CA 1.90 061072002 Visalia - N. Church Street CA 1.70 060731002 Escondido CA 1.70 000030701 AYLESFORD MOUNTAIN NS 1.70 000020301 WELLINGTON PE 1.20 060850005 San Jose - Jackson St. CA 1.10 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences 10-30 and Corr > 0.5 17.40 060530002 Unknown CA 15.50 060870007 Unknown CA 13.70 060811001 Redwood City CA 13.50 060832004 Lompoc H Street CA 12.70 060950004 Vallejo - 304 Tuolumne Street CA 12.60 060850002 Gilory - 9th Street CA 12.20 060953002 Vacaville CA 11.80 000030310 SYDNEY NS 11.30 060690002 Unknown CA 11.30 060410001 San Rafael CA 10.90 060970003 Santa Rosa - 5th Street CA 10.90 060010011 Oakland West CA 10.70 060832011 GOLETA CA 9.30 060670010 Sacramento - T Street CA 9.00 000020401 SOUTHAMPTON PE 8.90 060750005 San Francisco - Arkansas Street CA 8.90 060550003 Napa - Jefferson St CA 8.30 061131003 Woodland CA 7.80 060670012 Folsom CA 7.80 060010007 Livermore - Rincon CA 7.70 060410003 Point Reyes CA 7.50 060830011 Santa Barbara CA 7.40 061113001 El Rio - Rio Mesa School #2 CA 7.00 060670011 Elk Grove CA 6.90 060798001 Atascadero CA 6.50 060731010 San Diego - Beardsley Street CA 6.50 060670006 Sacramento - Del Paso Manor CA 5.90 060792004 Mesa 2 /Nipomo CA 5.80 060610006 Roseville - N.Sunrise/Douglas CA 5.00 061111004 Ojai - Ojai Ave. CA 5.00 000010401 Mount Pearl NF 4.50 060290014 Bakersfield - 5558 California Ave CA 4.20 060850005 San Jose - Jackson St. CA 2.70 061130004 Davis CA 2.20 060431001 Yosemite Village - Visitor Center CA 2.10 061110007 Thousand Oaks - Moorpark Road CA 2.00 000020104 CHARLOTTETOWN PE 1.00 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 0.70 060374002 North Long Beach CA Mean observed daytime surface PM2.5 (6-hourly) #coincidences 10-30 and Corr > 0.5 374.70 040191030 Green Valley AZ 356.20 060190008 Fresno - 1st Street CA 228.70 060959999 Rio Vista CA 156.10 060431001 Yosemite Village - Visitor Center CA 96.00 060610006 Roseville - N.Sunrise/Douglas CA 91.20 040130019 West Phoenix AZ 90.70 060832011 GOLETA CA 90.00 060290014 Bakersfield - 5558 California Ave CA 72.50 000054401 Saint-Anicet QC 63.10 040191032 Rose Elementary AZ 58.60 060990005 Modesto - 14th Street CA 55.80 000090302 Red Deer AB 30.80 010732003 WYLAM AL 29.40 060658001 Riverside - Rubidoux CA 28.70 040139998 Vehicle Emissions Laboratory AZ 27.60 060711004 Upland CA 26.60 060650012 Banning - South Hathaway Street CA 25.90 060371201 Reseda CA 25.60 060710005 Lake Gregory - Crestline CA 25.40 010732006 HOOVER AL 25.40 000054501 L'Assomption QC 24.40 000040203 FOREST HILLS NB 24.00 060376012 Santa Clarita CA 23.80 060250005 Calexico - Ethel Street CA 23.40 060731006 Alpine CA 23.00 060651003 Riverside - Magnolia CA 22.60 060371002 Burbank - W. Palm Ave CA 22.10 010730023 NO. BHAM AL 21.90 060890007 Anderson CA 21.90 000040801 CANTERBURY NB 21.60 061112002 Simi Valley - Cochran Street CA 20.90 060374002 North Long Beach CA 20.90 051191008 ADEQ-DSR AR 20.40 010331002 MSHOALS AL 20.40 000061004 Sarnia ON 20.30 050350005 MARION AR 20.00 051190007 PARR AR 19.80 061110009 Piru - Pacific CA 19.80 010731010 LEEDS AL 19.00 060590007 Anaheim CA 18.60 060850005 San Jose - Jackson St. CA 18.00 000041302 BATHURST NB 17.60 060731002 Escondido CA 17.20 060830011 Santa Barbara CA 17.10 061113001 El Rio - Rio Mesa School #2 CA 16.90 060074001 Gridley CA 16.60 060730003 El Cajon - Redwood Ave CA 16.60 051390006 El Dorado AR 16.60 010970003 CHICK. AL 16.40 061111004 Ojai - Ojai Ave. CA 16.40 000061104 Peterborough ON 16.20 061110007 Thousand Oaks - Moorpark Road CA 16.20 000054703 Bécancour (Aréna) QC 16.10 000060512 Hamilton Downtown ON 16.00 060659001 Lake Elsinore - W. Flint Street CA 16.00 010731005 MCADORY AL 15.80 000065301 Port Stanley ON 15.80 000060303 Kingston ON 15.60 010731009 PROVIDENCE AL 15.40 061130004 Davis CA 15.40 040132001 Glendale Community College AZ 15.40 000051501 Zéphirin QC 15.30 010735002 PINSON AL 15.20 040139812 Durango AZ 15.00 000065801 Chatham ON 15.00 000061502 Kitchener ON 14.90 000061402 Brantford ON 14.80 061070009 Sequoia/Kings Canyon - Ash Mountain CA 14.80 060631007 Chester BAM CA 14.80 060210002 Willows - E. Laurel Street CA 14.50 040191034 Coachline AZ 14.40 000061302 St. Catharines ON 14.40 000061201 Cornwall ON 14.20 060731010 San Diego - Beardsley Street CA 14.20 060070002 Chico - Manzanita CA 14.20 011011002 MONTG AL 14.20 000065001 Barrie ON 13.90 060731008 Camp Pendleton CA 13.90 000040207 SAINT JOHN WEST NB 13.80 080131001 Boulder - CU - 2102 Athens St. CO 13.80 000060204 Windsor Downtown ON 13.60 080310025 Denver Animal Shelter - 678 S. Jason St. CO 13.60 060550003 Napa - Jefferson St CA 13.60 040191113 Geronimo AZ 13.60 000065701 Morrisburg ON 13.50 060639901 Quincy BAM CA 13.50 000060424 Toronto Downtown ON 13.20 061072002 Visalia - N. Church Street CA 13.20 051430005 SPRNGDLE AR 13.10 000063701 Grand Bend ON 13.10 000062001 North Bay ON 13.10 000060903 London ON 12.80 010735003 CORNER AL 12.70 080310013 Denver - NJH - 14th Ave. & Albion St. CO 12.70 060832004 Lompoc H Street CA 12.60 060010011 Oakland West CA 12.50 080310002 Denver - CAMP - 2105 Broadway CO 12.50 040134003 South Phoenix AZ 12.50 000065201 Parry Sound ON 12.40 000090502 Lethbridge AB 12.40 000065401 Belleville ON 12.40 000040901 ST ANDREWS NB 12.40 000040209 CASTLE ST. SAINT JO NB 12.00 061010003 Yuba City CA 11.90 060410001 San Rafael CA 11.90 000063301 Dorset ON 11.90 000040302 MONCTON NB 11.80 000060709 Sault Ste Marie ON 11.70 000062501 Tiverton ON 11.40 000030701 AYLESFORD MOUNTAIN NS 11.30 060530002 Unknown CA 11.20 000052301 Saint-Faustin QC 11.10 061131003 Woodland CA 11.10 060950004 Vallejo - 304 Tuolumne Street CA 11.10 000090222 Calgary Northwest AB 11.10 000020104 CHARLOTTETOWN PE 11.00 060990006 Turlock - S. Minaret Street CA 11.00 000060609 Sudbury ON 10.70 000020401 SOUTHAMPTON PE 10.60 080410017 Colorado College CO 10.50 060792004 Mesa 2 /Nipomo CA 10.20 060811001 Redwood City CA 10.20 000060104 Ottawa ON 10.00 000090121 Edmonton East AB 9.90 060850002 Gilory - 9th Street CA 9.80 060670011 Elk Grove CA 9.80 000020301 WELLINGTON PE 9.70 060970003 Santa Rosa - 5th Street CA 9.60 060010007 Livermore - Rincon CA 9.50 060410003 Point Reyes CA 9.50 000090120 Edmonton South AB 9.20 060670010 Sacramento - T Street CA 9.00 080350004 Chatfield Park - 11500 N. Roxborough Par CO 9.00 000090130 Edmonton Central AB 8.90 080010006 Commerce City - 7101 Birch St. CO 8.90 060670006 Sacramento - Del Paso Manor CA 8.90 000010401 Mount Pearl NF 8.80 080770017 Grand Junction - Powell Building CO 8.20 060798001 Atascadero CA 8.10 060750005 San Francisco - Arkansas Street CA 8.10 060690002 Unknown CA 8.00 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 8.00 040138005 Estrella AZ 8.00 000091901 Caroline AB 8.00 000040103 FREDERICTON NB 7.80 060870007 Unknown CA 7.80 060670012 Folsom CA 7.80 040134010 Dysart AZ 7.80 000030310 SYDNEY NS 7.70 080130003 Longmont CO 6.20 060953002 Vacaville CA 5.70 000094301 Cold Lake South AB 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 40.60 060870007 Unknown CA 40.60 060850002 Gilory - 9th Street CA 40.60 060690002 Unknown CA 40.60 060530002 Unknown CA 32.70 000030310 SYDNEY NS 27.50 061113001 El Rio - Rio Mesa School #2 CA 27.50 061111004 Ojai - Ojai Ave. CA 27.50 060832011 GOLETA CA 27.50 060832004 Lompoc H Street CA 27.50 060830011 Santa Barbara CA 23.20 000020401 SOUTHAMPTON PE 21.70 060731010 San Diego - Beardsley Street CA 16.80 000010401 Mount Pearl NF 15.90 061131003 Woodland CA 15.90 061130004 Davis CA 15.90 060970003 Santa Rosa - 5th Street CA 15.90 060959999 Rio Vista CA 15.90 060953002 Vacaville CA 15.90 060950004 Vallejo - 304 Tuolumne Street CA 15.90 060850005 San Jose - Jackson St. CA 15.90 060811001 Redwood City CA 15.90 060750005 San Francisco - Arkansas Street CA 15.90 060670012 Folsom CA 15.90 060670011 Elk Grove CA 15.90 060670010 Sacramento - T Street CA 15.90 060670006 Sacramento - Del Paso Manor CA 15.90 060610006 Roseville - N.Sunrise/Douglas CA 15.90 060550003 Napa - Jefferson St CA 15.90 060410003 Point Reyes CA 15.90 060410001 San Rafael CA 15.90 060010011 Oakland West CA 15.90 060010007 Livermore - Rincon CA 10.60 040191034 Coachline AZ 10.10 061072002 Visalia - N. Church Street CA 10.10 060798001 Atascadero CA 10.10 060792004 Mesa 2 /Nipomo CA 10.10 060290014 Bakersfield - 5558 California Ave CA 10.10 060190008 Fresno - 1st Street CA 9.20 060731006 Alpine CA 9.20 060730003 El Cajon - Redwood Ave CA 9.20 060250005 Calexico - Ethel Street CA 9.00 061112002 Simi Valley - Cochran Street CA 9.00 061110009 Piru - Pacific CA 9.00 061110007 Thousand Oaks - Moorpark Road CA 9.00 060731008 Camp Pendleton CA 9.00 060731002 Escondido CA 9.00 060711004 Upland CA 9.00 060710005 Lake Gregory - Crestline CA 9.00 060659001 Lake Elsinore - W. Flint Street CA 9.00 060658001 Riverside - Rubidoux CA 9.00 060651003 Riverside - Magnolia CA 9.00 060590007 Anaheim CA 9.00 060376012 Santa Clarita CA 9.00 060374002 North Long Beach CA 9.00 060371201 Reseda CA 9.00 060371002 Burbank - W. Palm Ave CA 9.00 060370016 Glendora - Laurel CA 8.30 000060204 Windsor Downtown ON 7.60 060650012 Banning - South Hathaway Street CA 7.30 000065001 Barrie ON 7.30 000061502 Kitchener ON 7.30 000061402 Brantford ON 7.30 000061302 St. Catharines ON 7.30 000060512 Hamilton Downtown ON 7.30 000060424 Toronto Downtown ON 6.50 000063701 Grand Bend ON 6.50 000062501 Tiverton ON 6.50 000040302 MONCTON NB 6.50 000030701 AYLESFORD MOUNTAIN NS 6.50 000020301 WELLINGTON PE 6.50 000020104 CHARLOTTETOWN PE 6.40 040191113 Geronimo AZ 6.40 040191032 Rose Elementary AZ 6.40 040191030 Green Valley AZ 5.50 051430005 SPRNGDLE AR 5.30 060990006 Turlock - S. Minaret Street CA 5.30 060990005 Modesto - 14th Street CA 5.30 060431001 Yosemite Village - Visitor Center CA 5.30 000040209 CASTLE ST. SAINT JO NB 5.30 000040207 SAINT JOHN WEST NB 5.30 000040203 FOREST HILLS NB 5.30 000040103 FREDERICTON NB 5.10 061010003 Yuba City CA 5.10 060890007 Anderson CA 5.10 060631007 Chester BAM CA 5.10 060570005 Grass Valley CA 5.10 060210002 Willows - E. Laurel Street CA 5.10 060074001 Gridley CA 5.10 060070002 Chico - Manzanita CA 5.10 000065201 Parry Sound ON 5.10 000062001 North Bay ON 5.10 000060609 Sudbury ON 4.90 061070009 Sequoia/Kings Canyon - Ash Mountain CA 4.90 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 4.90 051390006 El Dorado AR 4.90 051191008 ADEQ-DSR AR 4.90 051190007 PARR AR 4.90 000065401 Belleville ON 4.90 000061104 Peterborough ON 4.80 040139998 Vehicle Emissions Laboratory AZ 4.80 040139812 Durango AZ 4.80 040138005 Estrella AZ 4.80 040134010 Dysart AZ 4.80 040134003 South Phoenix AZ 4.80 040132001 Glendale Community College AZ 4.80 040130019 West Phoenix AZ 4.50 000065801 Chatham ON 4.50 000065301 Port Stanley ON 4.50 000061004 Sarnia ON 4.50 000060903 London ON 4.00 000063301 Dorset ON 3.70 050350005 MARION AR 3.70 000060709 Sault Ste Marie ON 3.70 000040901 ST ANDREWS NB 3.70 000040801 CANTERBURY NB 3.50 000065701 Morrisburg ON 3.50 000060303 Kingston ON 3.40 000090502 Lethbridge AB 3.30 000090402 Medicine Hat - Crescent Hts AB 3.20 000061201 Cornwall ON 3.20 000054501 L'Assomption QC 3.20 000054401 Saint-Anicet QC 3.20 000052301 Saint-Faustin QC 3.10 000090601 Fort Saskatchewan AB 3.10 000090130 Edmonton Central AB 3.10 000090121 Edmonton East AB 3.10 000090120 Edmonton South AB 3.00 000091901 Caroline AB 3.00 000090302 Red Deer AB 3.00 000090222 Calgary Northwest AB 2.70 010735003 CORNER AL 2.70 010735002 PINSON AL 2.70 010732006 HOOVER AL 2.70 010732003 WYLAM AL 2.70 010731010 LEEDS AL 2.70 010730023 NO. BHAM AL 2.70 000060104 Ottawa ON 2.60 000054703 Bécancour (Aréna) QC 2.60 000051501 Zéphirin QC 2.60 000041302 BATHURST NB 2.50 060639901 Quincy BAM CA 2.40 080770017 Grand Junction - Powell Building CO 2.20 010970003 CHICK. AL 2.20 000091101 Elk Island AB 2.10 011011002 MONTG AL 1.80 010731009 PROVIDENCE AL 1.80 010731005 MCADORY AL 1.80 010331002 MSHOALS AL 1.60 080350004 Chatfield Park - 11500 N. Roxborough Par CO 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 080131001 Boulder - CU - 2102 Athens St. CO 1.60 080130003 Longmont CO 1.60 080010006 Commerce City - 7101 Birch St. CO 1.30 000094301 Cold Lake South AB 0.90 080410017 Colorado College CO AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)