Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences 10-30 and Corr > 0.5 0.85 000060903 London ON 0.80 000061004 Sarnia ON 0.78 000065701 Morrisburg ON 0.77 000061104 Peterborough ON 0.75 000061402 Brantford ON 0.74 060832004 Lompoc H Street CA 0.73 000060303 Kingston ON 0.73 000060204 Windsor Downtown ON 0.71 000065401 Belleville ON 0.69 000090120 Edmonton South AB 0.69 000061502 Kitchener ON 0.67 000063301 Dorset ON 0.67 000061302 St. Catharines ON 0.67 000051501 Zéphirin QC 0.66 000062501 Tiverton ON 0.65 000060609 Sudbury ON 0.65 000040801 CANTERBURY NB 0.64 000060104 Ottawa ON 0.62 000030701 AYLESFORD MOUNTAIN NS 0.61 000065801 Chatham ON 0.61 000054501 L'Assomption QC 0.61 000040203 FOREST HILLS NB 0.60 010970003 CHICK. AL 0.60 000063701 Grand Bend ON 0.60 000062001 North Bay ON 0.59 000065201 Parry Sound ON 0.59 000061201 Cornwall ON 0.58 000065001 Barrie ON 0.58 000040901 ST ANDREWS NB 0.55 000040302 MONCTON NB 0.54 060690002 Unknown CA 0.53 060530002 Unknown CA 0.53 010731010 LEEDS AL 0.53 000090601 Fort Saskatchewan AB 0.52 000060512 Hamilton Downtown ON 0.52 000040207 SAINT JOHN WEST NB 0.52 000020301 WELLINGTON PE 0.51 010732006 HOOVER AL 0.51 000065301 Port Stanley ON 0.50 000054703 Bécancour (Aréna) QC Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences 10-30 and Corr > 0.5 0.99 000061004 Sarnia ON 0.99 000060903 London ON 0.97 000060303 Kingston ON 0.96 000065801 Chatham ON 0.96 000061104 Peterborough ON 0.94 000061402 Brantford ON 0.94 000051501 Zéphirin QC 0.94 000030701 AYLESFORD MOUNTAIN NS 0.92 000060512 Hamilton Downtown ON 0.92 000040801 CANTERBURY NB 0.91 000090120 Edmonton South AB 0.91 000065701 Morrisburg ON 0.91 000062501 Tiverton ON 0.91 000061201 Cornwall ON 0.90 060731010 San Diego - Beardsley Street CA 0.90 000063701 Grand Bend ON 0.89 000061502 Kitchener ON 0.89 000054501 L'Assomption QC 0.88 060850002 Gilory - 9th Street CA 0.88 000054401 Saint-Anicet QC 0.87 000052301 Saint-Faustin QC 0.86 060371002 Burbank - W. Palm Ave CA 0.86 000065401 Belleville ON 0.86 000060104 Ottawa ON 0.86 000040203 FOREST HILLS NB 0.85 000060609 Sudbury ON 0.84 061072002 Visalia - N. Church Street CA 0.84 000063301 Dorset ON 0.83 060832004 Lompoc H Street CA 0.82 060590007 Anaheim CA 0.82 000061302 St. Catharines ON 0.81 000065301 Port Stanley ON 0.80 080010006 Commerce City - 7101 Birch St. CO 0.80 000062001 North Bay ON 0.78 060639901 Quincy BAM CA 0.77 010732006 HOOVER AL 0.77 000040901 ST ANDREWS NB 0.77 000040103 FREDERICTON NB 0.76 010731010 LEEDS AL 0.76 000065001 Barrie ON 0.75 060190008 Fresno - 1st Street CA 0.75 000065201 Parry Sound ON 0.75 000040207 SAINT JOHN WEST NB 0.73 000060424 Toronto Downtown ON 0.72 000090130 Edmonton Central AB 0.72 000040209 CASTLE ST. SAINT JO NB 0.71 000090121 Edmonton East AB 0.68 000020104 CHARLOTTETOWN PE 0.67 060731002 Escondido CA 0.66 060610006 Roseville - N.Sunrise/Douglas CA 0.66 060010007 Livermore - Rincon CA 0.65 080131001 Boulder - CU - 2102 Athens St. CO 0.65 060731008 Camp Pendleton CA 0.64 061130004 Davis CA 0.64 060832011 GOLETA CA 0.63 060530002 Unknown CA 0.63 000040302 MONCTON NB 0.59 061110007 Thousand Oaks - Moorpark Road CA 0.59 060650012 Banning - South Hathaway Street CA 0.57 000090601 Fort Saskatchewan AB 0.56 080310013 Denver - NJH - 14th Ave. & Albion St. CO 0.56 060830011 Santa Barbara CA 0.55 000060709 Sault Ste Marie ON 0.53 060890007 Anderson CA 0.53 060658001 Riverside - Rubidoux CA 0.51 061112002 Simi Valley - Cochran Street CA 0.51 060750005 San Francisco - Arkansas Street CA Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences 10-30 and Corr > 0.5 14.70 000030310 SYDNEY NS 14.10 060530002 Unknown CA 13.00 060870007 Unknown CA 12.10 060832004 Lompoc H Street CA 11.90 000010401 Mount Pearl NF 10.80 060850002 Gilory - 9th Street CA 10.50 060953002 Vacaville CA 8.30 060970003 Santa Rosa - 5th Street CA 8.10 060670012 Folsom CA 7.60 060670011 Elk Grove CA 7.60 060670010 Sacramento - T Street CA 7.50 060750005 San Francisco - Arkansas Street CA 7.40 000020104 CHARLOTTETOWN PE 7.20 060670006 Sacramento - Del Paso Manor CA 6.80 060010007 Livermore - Rincon CA 6.10 061131003 Woodland CA 5.80 060410003 Point Reyes CA 5.10 060550003 Napa - Jefferson St CA 4.90 061113001 El Rio - Rio Mesa School #2 CA 4.70 000040103 FREDERICTON NB 4.10 060830011 Santa Barbara CA 3.80 060798001 Atascadero CA 3.70 061111004 Ojai - Ojai Ave. CA 3.40 060731008 Camp Pendleton CA 3.40 000030701 AYLESFORD MOUNTAIN NS 2.90 060731010 San Diego - Beardsley Street CA 2.60 000020301 WELLINGTON PE 2.50 061130004 Davis CA 2.50 000040209 CASTLE ST. SAINT JO NB 2.40 060990005 Modesto - 14th Street CA 2.20 040191034 Coachline AZ 2.00 060659001 Lake Elsinore - W. Flint Street CA 1.80 060792004 Mesa 2 /Nipomo CA 1.70 061110007 Thousand Oaks - Moorpark Road CA 1.40 000040302 MONCTON NB 1.20 060850005 San Jose - Jackson St. CA 1.20 040134010 Dysart AZ 1.10 060731002 Escondido CA 1.10 000040207 SAINT JOHN WEST NB 0.80 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 0.60 061072002 Visalia - N. Church Street CA 0.50 000090601 Fort Saskatchewan AB Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences 10-30 and Corr > 0.5 15.30 060530002 Unknown CA 13.80 060870007 Unknown CA 12.90 000030310 SYDNEY NS 10.50 060953002 Vacaville CA 9.80 060832004 Lompoc H Street CA 9.70 060970003 Santa Rosa - 5th Street CA 9.00 060850002 Gilory - 9th Street CA 8.30 060670012 Folsom CA 8.20 060670010 Sacramento - T Street CA 8.20 060010007 Livermore - Rincon CA 7.90 060550003 Napa - Jefferson St CA 7.70 060832011 GOLETA CA 7.00 061131003 Woodland CA 6.80 060750005 San Francisco - Arkansas Street CA 6.70 060410003 Point Reyes CA 6.20 060670006 Sacramento - Del Paso Manor CA 5.80 060731010 San Diego - Beardsley Street CA 5.60 000010401 Mount Pearl NF 5.50 060670011 Elk Grove CA 5.30 060850005 San Jose - Jackson St. CA 5.30 060798001 Atascadero CA 5.30 060610006 Roseville - N.Sunrise/Douglas CA 4.60 000020104 CHARLOTTETOWN PE 4.30 060792004 Mesa 2 /Nipomo CA 3.80 061072002 Visalia - N. Church Street CA 3.50 060830011 Santa Barbara CA 3.20 060290014 Bakersfield - 5558 California Ave CA 2.90 000030701 AYLESFORD MOUNTAIN NS 2.70 061130004 Davis CA 2.70 061113001 El Rio - Rio Mesa School #2 CA 2.70 060431001 Yosemite Village - Visitor Center CA 2.40 061110007 Thousand Oaks - Moorpark Road CA 1.40 060990006 Turlock - S. Minaret Street CA 0.70 000020301 WELLINGTON PE 0.60 060990005 Modesto - 14th Street CA 0.60 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA Mean observed daytime surface PM2.5 (6-hourly) #coincidences 10-30 and Corr > 0.5 663.70 040191030 Green Valley AZ 501.40 060959999 Rio Vista CA 286.30 060190008 Fresno - 1st Street CA 207.70 060431001 Yosemite Village - Visitor Center CA 163.50 060290014 Bakersfield - 5558 California Ave CA 127.70 060832011 GOLETA CA 127.40 060610006 Roseville - N.Sunrise/Douglas CA 97.00 040130019 West Phoenix AZ 55.80 000090302 Red Deer AB 51.50 000054401 Saint-Anicet QC 30.80 010732003 WYLAM AL 29.40 060658001 Riverside - Rubidoux CA 29.20 010732006 HOOVER AL 29.10 000054501 L'Assomption QC 27.10 060711004 Upland CA 27.10 060650012 Banning - South Hathaway Street CA 26.20 060371201 Reseda CA 25.90 060651003 Riverside - Magnolia CA 25.80 060710005 Lake Gregory - Crestline CA 25.00 060376012 Santa Clarita CA 23.80 061112002 Simi Valley - Cochran Street CA 23.50 060371002 Burbank - W. Palm Ave CA 22.60 000040801 CANTERBURY NB 22.60 000040203 FOREST HILLS NB 21.90 060731006 Alpine CA 21.70 060890007 Anderson CA 21.50 050350005 MARION AR 21.10 060374002 North Long Beach CA 20.60 061110009 Piru - Pacific CA 19.90 010730023 NO. BHAM AL 19.90 010331002 MSHOALS AL 19.40 051191008 ADEQ-DSR AR 18.20 060590007 Anaheim CA 18.00 000041302 BATHURST NB 17.70 000051501 Zéphirin QC 17.60 051190007 PARR AR 17.60 010731010 LEEDS AL 17.40 000061004 Sarnia ON 17.30 000060512 Hamilton Downtown ON 17.10 010731005 MCADORY AL 17.10 000065301 Port Stanley ON 16.90 060074001 Gridley CA 16.70 000061104 Peterborough ON 16.50 061111004 Ojai - Ojai Ave. CA 16.50 060731002 Escondido CA 16.20 060830011 Santa Barbara CA 16.20 000061502 Kitchener ON 16.10 060730003 El Cajon - Redwood Ave CA 16.10 010970003 CHICK. AL 16.10 000065001 Barrie ON 16.00 000065701 Morrisburg ON 15.90 010735002 PINSON AL 15.80 061110007 Thousand Oaks - Moorpark Road CA 15.80 000065801 Chatham ON 15.80 000061201 Cornwall ON 15.70 000060303 Kingston ON 15.60 060659001 Lake Elsinore - W. Flint Street CA 15.60 000060709 Sault Ste Marie ON 15.40 000063301 Dorset ON 15.30 061113001 El Rio - Rio Mesa School #2 CA 15.30 010731009 PROVIDENCE AL 14.90 051390006 El Dorado AR 14.80 000062001 North Bay ON 14.80 000061402 Brantford ON 14.50 061070009 Sequoia/Kings Canyon - Ash Mountain CA 14.50 000061302 St. Catharines ON 14.10 060731008 Camp Pendleton CA 14.10 060210002 Willows - E. Laurel Street CA 14.00 060850005 San Jose - Jackson St. CA 13.90 011011002 MONTG AL 13.70 060731010 San Diego - Beardsley Street CA 13.60 000063701 Grand Bend ON 13.50 060070002 Chico - Manzanita CA 13.40 000060424 Toronto Downtown ON 13.30 000065201 Parry Sound ON 13.00 061130004 Davis CA 12.90 000090502 Lethbridge AB 12.90 000062501 Tiverton ON 12.80 080310025 Denver Animal Shelter - 678 S. Jason St. CO 12.80 080310002 Denver - CAMP - 2105 Broadway CO 12.80 000065401 Belleville ON 12.60 080131001 Boulder - CU - 2102 Athens St. CO 12.60 010735003 CORNER AL 12.20 040134003 South Phoenix AZ 12.20 000060104 Ottawa ON 11.90 000040207 SAINT JOHN WEST NB 11.80 080770017 Grand Junction - Powell Building CO 11.80 000060903 London ON 11.70 080310013 Denver - NJH - 14th Ave. & Albion St. CO 11.70 000060609 Sudbury ON 11.50 061072002 Visalia - N. Church Street CA 11.50 040191032 Rose Elementary AZ 11.30 060550003 Napa - Jefferson St CA 11.20 000040901 ST ANDREWS NB 10.90 051430005 SPRNGDLE AR 10.90 000090222 Calgary Northwest AB 10.90 000040302 MONCTON NB 10.80 040139812 Durango AZ 10.80 000052301 Saint-Faustin QC 10.60 040191034 Coachline AZ 10.50 080410017 Colorado College CO 10.50 000040209 CASTLE ST. SAINT JO NB 10.50 000030701 AYLESFORD MOUNTAIN NS 10.30 060792004 Mesa 2 /Nipomo CA 10.30 060639901 Quincy BAM CA 10.20 040191113 Geronimo AZ 9.80 060990006 Turlock - S. Minaret Street CA 9.80 060832004 Lompoc H Street CA 9.60 060530002 Unknown CA 9.50 000090121 Edmonton East AB 9.50 000090120 Edmonton South AB 9.40 061131003 Woodland CA 9.20 040132001 Glendale Community College AZ 9.00 060410003 Point Reyes CA 8.90 000020104 CHARLOTTETOWN PE 8.80 060010007 Livermore - Rincon CA 8.70 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 8.70 000020301 WELLINGTON PE 8.60 080010006 Commerce City - 7101 Birch St. CO 8.40 000090130 Edmonton Central AB 8.30 060798001 Atascadero CA 8.20 060670006 Sacramento - Del Paso Manor CA 8.20 040139998 Vehicle Emissions Laboratory AZ 8.10 060970003 Santa Rosa - 5th Street CA 8.00 060750005 San Francisco - Arkansas Street CA 7.90 060670010 Sacramento - T Street CA 7.80 080130003 Longmont CO 7.80 040138005 Estrella AZ 7.70 060670011 Elk Grove CA 7.70 000091901 Caroline AB 7.60 060850002 Gilory - 9th Street CA 7.40 060990005 Modesto - 14th Street CA 7.40 060870007 Unknown CA 7.40 000010401 Mount Pearl NF 7.30 060670012 Folsom CA 6.80 040134010 Dysart AZ 6.70 000030310 SYDNEY NS 6.50 000040103 FREDERICTON NB 5.70 000094301 Cold Lake South AB 5.10 060953002 Vacaville CA 3.80 000090601 Fort Saskatchewan AB 2.30 000091101 Elk Island AB Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 29.90 060870007 Unknown CA 29.90 060850002 Gilory - 9th Street CA 29.90 060690002 Unknown CA 29.90 060530002 Unknown CA 19.80 061113001 El Rio - Rio Mesa School #2 CA 19.80 061111004 Ojai - Ojai Ave. CA 19.80 060832011 GOLETA CA 19.80 060832004 Lompoc H Street CA 19.80 060830011 Santa Barbara CA 18.30 060731010 San Diego - Beardsley Street CA 17.50 000010401 Mount Pearl NF 15.90 061072002 Visalia - N. Church Street CA 15.90 060798001 Atascadero CA 15.90 060792004 Mesa 2 /Nipomo CA 15.90 060290014 Bakersfield - 5558 California Ave CA 15.90 060190008 Fresno - 1st Street CA 15.80 061131003 Woodland CA 15.80 061130004 Davis CA 15.80 060970003 Santa Rosa - 5th Street CA 15.80 060959999 Rio Vista CA 15.80 060953002 Vacaville CA 15.80 060950004 Vallejo - 304 Tuolumne Street CA 15.80 060850005 San Jose - Jackson St. CA 15.80 060811001 Redwood City CA 15.80 060750005 San Francisco - Arkansas Street CA 15.80 060670012 Folsom CA 15.80 060670011 Elk Grove CA 15.80 060670010 Sacramento - T Street CA 15.80 060670006 Sacramento - Del Paso Manor CA 15.80 060610006 Roseville - N.Sunrise/Douglas CA 15.80 060550003 Napa - Jefferson St CA 15.80 060410003 Point Reyes CA 15.80 060410001 San Rafael CA 15.80 060010011 Oakland West CA 15.80 060010007 Livermore - Rincon CA 13.90 000063701 Grand Bend ON 13.90 000062501 Tiverton ON 13.30 061112002 Simi Valley - Cochran Street CA 13.30 061110009 Piru - Pacific CA 13.30 061110007 Thousand Oaks - Moorpark Road CA 13.30 060731008 Camp Pendleton CA 13.30 060731002 Escondido CA 13.30 060711004 Upland CA 13.30 060710005 Lake Gregory - Crestline CA 13.30 060659001 Lake Elsinore - W. Flint Street CA 13.30 060658001 Riverside - Rubidoux CA 13.30 060651003 Riverside - Magnolia CA 13.30 060590007 Anaheim CA 13.30 060376012 Santa Clarita CA 13.30 060374002 North Long Beach CA 13.30 060371201 Reseda CA 13.30 060371002 Burbank - W. Palm Ave CA 13.30 060370016 Glendora - Laurel CA 10.40 060731006 Alpine CA 10.40 060730003 El Cajon - Redwood Ave CA 10.40 060250005 Calexico - Ethel Street CA 9.60 060650012 Banning - South Hathaway Street CA 9.50 040191034 Coachline AZ 9.50 000065001 Barrie ON 9.50 000061502 Kitchener ON 9.50 000061402 Brantford ON 9.50 000061302 St. Catharines ON 9.50 000060512 Hamilton Downtown ON 9.50 000060424 Toronto Downtown ON 6.80 061070009 Sequoia/Kings Canyon - Ash Mountain CA 6.80 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 6.40 051390006 El Dorado AR 6.40 051191008 ADEQ-DSR AR 6.40 051190007 PARR AR 6.40 000065801 Chatham ON 6.40 000065301 Port Stanley ON 6.40 000061004 Sarnia ON 6.40 000060903 London ON 6.40 000030310 SYDNEY NS 5.80 000065401 Belleville ON 5.80 000061104 Peterborough ON 5.10 000020401 SOUTHAMPTON PE 5.00 060990006 Turlock - S. Minaret Street CA 5.00 060990005 Modesto - 14th Street CA 5.00 060431001 Yosemite Village - Visitor Center CA 4.90 040191113 Geronimo AZ 4.90 040191032 Rose Elementary AZ 4.90 040191030 Green Valley AZ 4.60 000065701 Morrisburg ON 4.60 000060303 Kingston ON 4.30 051430005 SPRNGDLE AR 4.20 040139998 Vehicle Emissions Laboratory AZ 4.20 040139812 Durango AZ 4.20 040138005 Estrella AZ 4.20 040134010 Dysart AZ 4.20 040134003 South Phoenix AZ 4.20 040132001 Glendale Community College AZ 4.20 040130019 West Phoenix AZ 4.20 010970003 CHICK. AL 4.10 000054703 Bécancour (Aréna) QC 4.10 000051501 Zéphirin 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 3.80 000061201 Cornwall ON 3.80 000054501 L'Assomption QC 3.80 000054401 Saint-Anicet QC 3.80 000052301 Saint-Faustin QC 3.70 000060709 Sault Ste Marie ON 3.50 010731009 PROVIDENCE AL 3.50 010731005 MCADORY AL 3.50 010331002 MSHOALS AL 3.50 000060204 Windsor Downtown ON 3.40 000090601 Fort Saskatchewan AB 3.40 000090130 Edmonton Central AB 3.40 000090121 Edmonton East AB 3.40 000090120 Edmonton South AB 3.10 080310025 Denver Animal Shelter - 678 S. Jason St. CO 3.10 080310013 Denver - NJH - 14th Ave. & Albion St. CO 3.10 080310002 Denver - CAMP - 2105 Broadway CO 3.10 080010006 Commerce City - 7101 Birch St. CO 3.00 011011002 MONTG AL 2.90 000040901 ST ANDREWS NB 2.90 000040801 CANTERBURY NB 2.80 000065201 Parry Sound ON 2.80 000062001 North Bay ON 2.80 000060609 Sudbury ON 2.80 000060104 Ottawa ON 2.80 000040209 CASTLE ST. SAINT JO NB 2.80 000040207 SAINT JOHN WEST NB 2.80 000040203 FOREST HILLS NB 2.80 000040103 FREDERICTON NB 2.70 050350005 MARION AR 2.60 010735003 CORNER AL 2.60 010735002 PINSON AL 2.60 010732006 HOOVER AL 2.60 010732003 WYLAM AL 2.60 010731010 LEEDS AL 2.60 010730023 NO. BHAM AL 2.60 000063301 Dorset ON 2.50 000091101 Elk Island AB 2.10 080770017 Grand Junction - Powell Building CO 2.10 000040302 MONCTON NB 2.10 000030701 AYLESFORD MOUNTAIN NS 2.10 000020301 WELLINGTON PE 2.10 000020104 CHARLOTTETOWN PE 1.90 080410017 Colorado College CO 1.90 080350004 Chatfield Park - 11500 N. Roxborough Par CO 1.90 080131001 Boulder - CU - 2102 Athens St. CO 1.90 080130003 Longmont CO 1.90 060639901 Quincy BAM CA 1.70 000041302 BATHURST NB 1.50 000094301 Cold Lake South AB 1.40 000091901 Caroline AB 1.40 000090302 Red Deer AB 1.40 000090222 Calgary Northwest AB 0.60 000090502 Lethbridge 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)