Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.64 000065201 Parry Sound ON 0.56 000062001 North Bay ON 0.55 000090601 Fort Saskatchewan AB 0.54 051190007 PARR AR 0.54 000060609 Sudbury ON 0.52 000063701 Grand Bend ON 0.51 051430005 SPRNGDLE AR #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 0.82 000062001 North Bay ON 0.76 000065201 Parry Sound ON 0.73 051430005 SPRNGDLE AR 0.73 000060609 Sudbury ON 0.67 051191008 ADEQ-DSR AR 0.67 000063701 Grand Bend ON 0.66 051190007 PARR AR 0.65 000091101 Elk Island AB 0.64 000063301 Dorset ON 0.63 000090601 Fort Saskatchewan AB 0.63 000060709 Sault Ste Marie ON 0.59 000062501 Tiverton ON 0.57 000090502 Lethbridge AB 0.54 060431001 Yosemite Village - Visitor Center CA 0.52 000060104 Ottawa ON 0.51 080450007 Rifle Particulate CO 0.50 080410017 Colorado College CO 0.50 040191030 Green Valley AZ #coincidences 10-30 and Corr > 0.5 0.81 000030701 AYLESFORD MOUNTAIN NS 0.54 000090222 Calgary Northwest AB Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 21.00 040134010 Dysart AZ 20.80 040139998 Vehicle Emissions Laboratory AZ 20.20 060870007 Unknown CA 20.20 060690002 Unknown CA 19.20 040138005 Estrella AZ 19.00 040134003 South Phoenix AZ 18.10 040139997 Supersite AZ 17.90 060530002 Unknown CA 17.60 040191034 Coachline AZ 14.50 060850002 Gilory - 9th Street CA 14.50 040132001 Glendale Community College AZ 12.60 061113001 El Rio - Rio Mesa School #2 CA 12.60 040139812 Durango AZ 10.70 040191032 Rose Elementary AZ 8.60 060610002 Auburn CA 8.50 061111004 Ojai - Ojai Ave. CA 8.50 060953002 Vacaville CA 7.70 060731010 San Diego - Beardsley Street CA 7.10 060670012 Folsom CA 6.90 060670006 Sacramento - Del Paso Manor CA 6.80 060670010 Sacramento - T Street CA 6.50 060970003 Santa Rosa - 5th Street CA 6.20 060850005 San Jose - Jackson St. CA 6.00 060959999 Rio Vista CA 6.00 060670011 Elk Grove CA 6.00 000010401 Mount Pearl NF 5.90 040191030 Green Valley AZ 5.80 060410001 San Rafael CA 5.70 060811001 Redwood City CA 5.40 060710005 Lake Gregory - Crestline CA 5.40 060010011 Oakland West CA 5.10 060950004 Vallejo - 304 Tuolumne Street CA 5.00 060410003 Point Reyes CA 4.70 061131003 Woodland CA 4.70 060010007 Livermore - Rincon CA 4.50 060550003 Napa - Jefferson St CA 4.30 060750005 San Francisco - Arkansas Street CA 4.00 060659001 Lake Elsinore - W. Flint Street CA 3.90 061110007 Thousand Oaks - Moorpark Road CA 3.90 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 3.60 060374002 North Long Beach CA 3.00 060731008 Camp Pendleton CA 3.00 060650012 Banning - South Hathaway Street CA 2.90 060376012 Santa Clarita CA 2.50 060610006 Roseville - N.Sunrise/Douglas CA 2.50 040191113 Geronimo AZ 2.30 061110009 Piru - Pacific CA 1.60 061070009 Sequoia/Kings Canyon - Ash Mountain CA 0.80 060798001 Atascadero CA 0.70 000062501 Tiverton ON 0.50 060731002 Escondido CA #coincidences 10-30 and Corr > 0.5 6.70 000020401 SOUTHAMPTON PE Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 18.20 060690002 Unknown CA 17.10 060870007 Unknown CA 15.60 060530002 Unknown CA 14.60 060832004 Lompoc H Street CA 13.70 061113001 El Rio - Rio Mesa School #2 CA 13.00 040134010 Dysart AZ 12.20 060832011 GOLETA CA 12.00 040191034 Coachline AZ 11.80 040139998 Vehicle Emissions Laboratory AZ 11.40 061111004 Ojai - Ojai Ave. CA 11.10 060850002 Gilory - 9th Street CA 11.10 040134003 South Phoenix AZ 11.00 040139997 Supersite AZ 10.50 040138005 Estrella AZ 10.00 040132001 Glendale Community College AZ 9.10 040139812 Durango AZ 7.20 040130019 West Phoenix AZ 6.60 060953002 Vacaville CA 6.00 060670010 Sacramento - T Street CA 6.00 060410001 San Rafael CA 5.90 060670006 Sacramento - Del Paso Manor CA 5.90 000010401 Mount Pearl NF 5.70 061131003 Woodland CA 5.60 060610002 Auburn CA 5.40 060670012 Folsom CA 5.10 040191032 Rose Elementary AZ 5.00 060710005 Lake Gregory - Crestline CA 4.80 060410003 Point Reyes CA 4.70 060731010 San Diego - Beardsley Street CA 4.60 060010007 Livermore - Rincon CA 4.40 060970003 Santa Rosa - 5th Street CA 4.40 060850005 San Jose - Jackson St. CA 4.20 060811001 Redwood City CA 4.10 061130004 Davis CA 4.10 060010011 Oakland West CA 4.00 060959999 Rio Vista CA 4.00 060798001 Atascadero CA 4.00 060670011 Elk Grove CA 3.30 060950004 Vallejo - 304 Tuolumne Street CA 3.30 060550003 Napa - Jefferson St CA 2.90 060376012 Santa Clarita CA 2.60 061110009 Piru - Pacific CA 2.20 060750005 San Francisco - Arkansas Street CA 2.20 040191030 Green Valley AZ 2.10 060659001 Lake Elsinore - W. Flint Street CA 2.10 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 1.80 060610006 Roseville - N.Sunrise/Douglas CA 1.10 060650012 Banning - South Hathaway Street CA 1.10 000065301 Port Stanley ON 1.00 060370016 Glendora - Laurel CA 1.00 000040801 CANTERBURY NB 0.90 060250005 Calexico - Ethel Street CA 0.80 000065001 Barrie ON 0.80 000060903 London ON 0.80 000040103 FREDERICTON NB 0.70 000061201 Cornwall ON 0.50 060374002 North Long Beach CA 0.50 040191113 Geronimo AZ 0.50 000065801 Chatham ON #coincidences 10-30 and Corr > 0.5 3.30 000020401 SOUTHAMPTON PE Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 361.00 060830011 Santa Barbara CA 219.10 040130019 West Phoenix AZ 191.70 061010003 Yuba City CA 57.20 060890007 Anderson CA 55.90 060431001 Yosemite Village - Visitor Center CA 54.10 010970003 CHICK. AL 48.40 060832011 GOLETA CA 47.00 060570005 Grass Valley CA 41.60 060250005 Calexico - Ethel Street CA 34.90 060711004 Upland CA 34.30 060371103 Los Angeles - N. Main Street CA 31.20 060792004 Mesa 2 /Nipomo CA 30.10 061130004 Davis CA 28.50 060832004 Lompoc H Street CA 28.00 060990005 Modesto - 14th Street CA 27.70 060658001 Riverside - Rubidoux CA 25.00 060371002 Burbank - W. Palm Ave CA 24.60 060651003 Riverside - Magnolia CA 24.20 051390006 El Dorado AR 21.90 000060512 Hamilton Downtown ON 21.80 060650012 Banning - South Hathaway Street CA 21.70 010731005 MCADORY AL 21.50 080410017 Colorado College CO 21.30 010731010 LEEDS AL 21.20 080310002 Denver - CAMP - 2105 Broadway CO 21.20 060731006 Alpine CA 20.70 060731010 San Diego - Beardsley Street CA 20.10 060370016 Glendora - Laurel CA 20.00 060730003 El Cajon - Redwood Ave CA 20.00 060590007 Anaheim CA 19.70 010732003 WYLAM AL 19.60 061112002 Simi Valley - Cochran Street CA 19.60 060371201 Reseda CA 18.90 080310025 Denver Animal Shelter - 678 S. Jason St. CO 18.70 061111004 Ojai - Ojai Ave. CA 18.50 060731002 Escondido CA 18.30 000054703 Bécancour (Aréna) QC 18.00 011011002 MONTG AL 17.90 040139812 Durango AZ 17.70 051191008 ADEQ-DSR AR 17.30 061110009 Piru - Pacific CA 17.30 050350005 MARION AR 17.30 010735003 CORNER AL 17.20 080770017 Grand Junction - Powell Building CO 16.70 000051501 Zéphirin QC 16.60 060731008 Camp Pendleton CA 16.60 060376012 Santa Clarita CA 16.60 060374002 North Long Beach CA 16.50 010735002 PINSON AL 16.40 061072002 Visalia - N. Church Street CA 16.40 060659001 Lake Elsinore - W. Flint Street CA 16.20 061110007 Thousand Oaks - Moorpark Road CA 16.20 051190007 PARR AR 16.10 010732006 HOOVER AL 16.00 040132001 Glendale Community College AZ 15.90 010731009 PROVIDENCE AL 15.40 000061004 Sarnia ON 15.00 060631007 Chester BAM CA 14.80 060610006 Roseville - N.Sunrise/Douglas CA 14.80 000040901 ST ANDREWS NB 14.60 061113001 El Rio - Rio Mesa School #2 CA 14.20 060710005 Lake Gregory - Crestline CA 14.10 060750005 San Francisco - Arkansas Street CA 14.10 040191113 Geronimo AZ 14.10 000061302 St. Catharines ON 13.60 000060204 Windsor Downtown ON 13.50 000060424 Toronto Downtown ON 13.40 060290014 Bakersfield - 5558 California Ave CA 13.30 080130003 Longmont CO 13.10 000065001 Barrie ON 12.90 060798001 Atascadero CA 12.90 040139997 Supersite AZ 12.90 000061402 Brantford ON 12.90 000054501 L'Assomption QC 12.70 080310013 Denver - NJH - 14th Ave. & Albion St. CO 12.70 060550003 Napa - Jefferson St CA 12.60 060410001 San Rafael CA 12.50 080010006 Commerce City - 7101 Birch St. CO 12.50 051430005 SPRNGDLE AR 12.40 060410003 Point Reyes CA 12.40 060210002 Willows - E. Laurel Street CA 12.20 060639901 Quincy BAM CA 12.10 061070009 Sequoia/Kings Canyon - Ash Mountain CA 12.10 060950004 Vallejo - 304 Tuolumne Street CA 12.00 000061502 Kitchener ON 11.90 060850002 Gilory - 9th Street CA 11.90 000060303 Kingston ON 11.80 060070002 Chico - Manzanita CA 11.80 000060903 London ON 11.70 061131003 Woodland CA 11.50 060811001 Redwood City CA 11.50 040134003 South Phoenix AZ 11.50 000065301 Port Stanley ON 11.40 060850005 San Jose - Jackson St. CA 11.40 060010007 Livermore - Rincon CA 11.30 060670011 Elk Grove CA 11.30 060010011 Oakland West CA 11.30 040138005 Estrella AZ 11.20 080350004 Chatfield Park - 11500 N. Roxborough Par CO 11.20 060959999 Rio Vista CA 11.10 000054401 Saint-Anicet QC 11.00 000065801 Chatham ON 10.80 060970003 Santa Rosa - 5th Street CA 10.70 080131001 Boulder - CU - 2102 Athens St. CO 10.70 040191030 Green Valley AZ 10.60 000065401 Belleville ON 10.60 000061104 Peterborough ON 10.40 060074001 Gridley CA 10.40 040191034 Coachline AZ 10.30 060670010 Sacramento - T Street CA 10.30 000090502 Lethbridge AB 10.20 060670012 Folsom CA 10.20 060530002 Unknown CA 10.20 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 10.00 060670006 Sacramento - Del Paso Manor CA 9.80 040134010 Dysart AZ 9.80 000090402 Medicine Hat - Crescent Hts AB 9.70 040139998 Vehicle Emissions Laboratory AZ 9.40 060870007 Unknown CA 9.30 060610002 Auburn CA 9.30 000063701 Grand Bend ON 9.30 000060104 Ottawa ON 9.20 080450007 Rifle Particulate CO 9.20 000090121 Edmonton East AB 9.00 000040801 CANTERBURY NB 8.90 060690002 Unknown CA 8.90 000041302 BATHURST NB 8.80 000090120 Edmonton South AB 8.70 000061201 Cornwall ON 8.60 060953002 Vacaville CA 8.60 000094301 Cold Lake South AB 8.60 000065701 Morrisburg ON 8.50 000040302 MONCTON NB 8.40 060271023 Bishop Paiute Tribe-CA CA 8.30 000063301 Dorset ON 8.30 000060709 Sault Ste Marie ON 8.20 000091901 Caroline AB 8.20 000062501 Tiverton ON 7.80 000065201 Parry Sound ON 7.80 000020104 CHARLOTTETOWN PE 7.70 000020301 WELLINGTON PE 7.50 000060609 Sudbury ON 7.30 060571001 Truckee BAM CA 7.30 000090601 Fort Saskatchewan AB 7.30 000062001 North Bay ON 6.20 000091101 Elk Island AB 5.90 040191032 Rose Elementary AZ 5.90 000040207 SAINT JOHN WEST NB 5.90 000040103 FREDERICTON NB 5.90 000010401 Mount Pearl NF #coincidences 10-30 and Corr > 0.5 15.40 000040209 CASTLE ST. SAINT JO NB 13.70 000090222 Calgary Northwest AB 9.00 000090130 Edmonton Central AB 8.00 000040203 FOREST HILLS NB 6.70 000030701 AYLESFORD MOUNTAIN NS 5.30 000020401 SOUTHAMPTON PE Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 21.10 060731010 San Diego - Beardsley Street CA 19.40 060870007 Unknown CA 19.40 060850002 Gilory - 9th Street CA 19.40 060690002 Unknown CA 19.40 060530002 Unknown CA 16.00 061113001 El Rio - Rio Mesa School #2 CA 16.00 061111004 Ojai - Ojai Ave. CA 16.00 060832011 GOLETA CA 16.00 060832004 Lompoc H Street CA 16.00 060830011 Santa Barbara CA 14.30 000010401 Mount Pearl NF 9.90 000040901 ST ANDREWS NB 9.90 000040801 CANTERBURY NB 8.80 061112002 Simi Valley - Cochran Street CA 8.80 061110009 Piru - Pacific CA 8.80 061110007 Thousand Oaks - Moorpark Road CA 8.80 060731008 Camp Pendleton CA 8.80 060731002 Escondido CA 8.80 060711004 Upland CA 8.80 060710005 Lake Gregory - Crestline CA 8.80 060659001 Lake Elsinore - W. Flint Street CA 8.80 060658001 Riverside - Rubidoux CA 8.80 060651003 Riverside - Magnolia CA 8.80 060590007 Anaheim CA 8.80 060376012 Santa Clarita CA 8.80 060374002 North Long Beach CA 8.80 060371201 Reseda CA 8.80 060371103 Los Angeles - N. Main Street CA 8.80 060371002 Burbank - W. Palm Ave CA 8.80 060370016 Glendora - Laurel CA 8.70 060731006 Alpine CA 8.70 060730003 El Cajon - Redwood Ave CA 8.70 060250005 Calexico - Ethel Street CA 7.80 061131003 Woodland CA 7.80 061130004 Davis CA 7.80 060970003 Santa Rosa - 5th Street CA 7.80 060959999 Rio Vista CA 7.80 060953002 Vacaville CA 7.80 060950004 Vallejo - 304 Tuolumne Street CA 7.80 060850005 San Jose - Jackson St. CA 7.80 060811001 Redwood City CA 7.80 060750005 San Francisco - Arkansas Street CA 7.80 060670012 Folsom CA 7.80 060670011 Elk Grove CA 7.80 060670010 Sacramento - T Street CA 7.80 060670006 Sacramento - Del Paso Manor CA 7.80 060610006 Roseville - N.Sunrise/Douglas CA 7.80 060610002 Auburn CA 7.80 060550003 Napa - Jefferson St CA 7.80 060410003 Point Reyes CA 7.80 060410001 San Rafael CA 7.80 060010011 Oakland West CA 7.80 060010007 Livermore - Rincon CA 7.10 040191034 Coachline AZ 7.00 060650012 Banning - South Hathaway Street CA 6.70 000030310 SYDNEY NS 6.50 061072002 Visalia - N. Church Street CA 6.50 060798001 Atascadero CA 6.50 060792004 Mesa 2 /Nipomo CA 6.50 060311004 Hanford - S. Irwin Street CA 6.50 060290014 Bakersfield - 5558 California Ave CA 6.50 060195001 Clovis - N. Villa Ave CA 6.30 040139998 Vehicle Emissions Laboratory AZ 6.30 040139997 Supersite AZ 6.30 040139812 Durango AZ 6.30 040138005 Estrella AZ 6.30 040134010 Dysart AZ 6.30 040134003 South Phoenix AZ 6.30 040132001 Glendale Community College AZ 6.30 040130019 West Phoenix AZ 6.30 010970003 CHICK. AL 6.20 000054703 Bécancour (Aréna) QC 6.20 000051501 Zéphirin QC 6.20 000040209 CASTLE ST. SAINT JO NB 6.20 000040207 SAINT JOHN WEST NB 6.20 000040203 FOREST HILLS NB 6.20 000040103 FREDERICTON NB 6.10 000020401 SOUTHAMPTON PE 6.00 000065001 Barrie ON 6.00 000061502 Kitchener ON 6.00 000061402 Brantford ON 6.00 000061302 St. Catharines ON 6.00 000060512 Hamilton Downtown ON 6.00 000060424 Toronto Downtown ON 5.80 000061201 Cornwall ON 5.80 000054501 L'Assomption QC 5.80 000054401 Saint-Anicet QC 5.10 000065701 Morrisburg ON 5.10 000065401 Belleville ON 5.10 000061104 Peterborough ON 5.10 000060303 Kingston ON 4.60 000040302 MONCTON NB 4.60 000030701 AYLESFORD MOUNTAIN NS 4.60 000020301 WELLINGTON PE 4.60 000020104 CHARLOTTETOWN PE 4.00 000065801 Chatham ON 4.00 000065301 Port Stanley ON 4.00 000061004 Sarnia ON 4.00 000060903 London ON 4.00 000060104 Ottawa ON 3.90 000063301 Dorset ON 3.70 061010003 Yuba City CA 3.70 060890007 Anderson CA 3.70 060631007 Chester BAM CA 3.70 060570005 Grass Valley CA 3.70 060210002 Willows - E. Laurel Street CA 3.70 060074001 Gridley CA 3.70 060070002 Chico - Manzanita CA 3.40 061070009 Sequoia/Kings Canyon - Ash Mountain CA 3.40 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 3.30 060990006 Turlock - S. Minaret Street CA 3.30 060990005 Modesto - 14th Street CA 3.30 060470003 Merced - S. Coffee Ave CA 3.30 060431001 Yosemite Village - Visitor Center CA 3.20 051430005 SPRNGDLE AR 3.20 000041302 BATHURST NB 3.10 040191113 Geronimo AZ 3.10 040191032 Rose Elementary AZ 3.10 040191030 Green Valley AZ 2.90 000063701 Grand Bend ON 2.90 000062501 Tiverton ON 2.70 000060204 Windsor Downtown ON 2.60 080410017 Colorado College CO 2.60 000094301 Cold Lake South AB 2.50 080310025 Denver Animal Shelter - 678 S. Jason St. CO 2.50 080310013 Denver - NJH - 14th Ave. & Albion St. CO 2.50 080310002 Denver - CAMP - 2105 Broadway CO 2.50 080010006 Commerce City - 7101 Birch St. CO 2.50 050350005 MARION AR 2.40 000065201 Parry Sound ON 2.40 000062001 North Bay ON 2.40 000060609 Sudbury ON 2.30 080770017 Grand Junction - Powell Building CO 2.30 080450007 Rifle Particulate CO 2.30 060639901 Quincy BAM CA 2.30 060571001 Truckee BAM CA 2.20 000091101 Elk Island AB 2.20 000090601 Fort Saskatchewan AB 2.20 000090130 Edmonton Central AB 2.20 000090121 Edmonton East AB 2.20 000090120 Edmonton South AB 2.10 080350004 Chatfield Park - 11500 N. Roxborough Par CO 2.10 080131001 Boulder - CU - 2102 Athens St. CO 2.10 080130003 Longmont CO 2.10 011011002 MONTG AL 2.00 060271023 Bishop Paiute Tribe-CA CA 2.00 051390006 El Dorado AR 2.00 051191008 ADEQ-DSR AR 2.00 051190007 PARR AR 2.00 010735003 CORNER AL 2.00 010735002 PINSON AL 2.00 010732006 HOOVER AL 2.00 010732003 WYLAM AL 2.00 010731010 LEEDS AL 1.90 000060709 Sault Ste Marie ON 1.80 000090402 Medicine Hat - Crescent Hts AB 1.70 010731009 PROVIDENCE AL 1.70 010731005 MCADORY AL 1.60 000091901 Caroline AB 1.60 000090302 Red Deer AB 1.60 000090222 Calgary Northwest AB 1.10 000090502 Lethbridge AB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)