Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.58 000090601 Fort Saskatchewan AB 0.57 000065201 Parry Sound ON 0.54 051190007 PARR AR 0.52 051430005 SPRNGDLE AR 0.52 000062001 North Bay ON 0.52 000060609 Sudbury ON #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 0.81 000062001 North Bay ON 0.74 051430005 SPRNGDLE AR 0.74 000065201 Parry Sound ON 0.72 000060609 Sudbury ON 0.66 051190007 PARR AR 0.66 000094301 Cold Lake South AB 0.66 000063301 Dorset ON 0.64 051191008 ADEQ-DSR AR 0.64 000091101 Elk Island AB 0.64 000090601 Fort Saskatchewan AB 0.60 040191030 Green Valley AZ 0.59 080450007 Rifle Particulate CO 0.53 060431001 Yosemite Village - Visitor Center CA 0.52 000090120 Edmonton South AB 0.51 080131001 Boulder - CU - 2102 Athens St. CO 0.50 000051501 Zéphirin QC #coincidences 10-30 and Corr > 0.5 0.83 000030701 AYLESFORD MOUNTAIN NS 0.59 000040209 CASTLE ST. SAINT JO NB 0.51 000090222 Calgary Northwest AB Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 20.90 040134010 Dysart AZ 20.80 040139998 Vehicle Emissions Laboratory AZ 20.20 060690002 Unknown CA 20.10 060870007 Unknown CA 19.10 040138005 Estrella AZ 18.80 040134003 South Phoenix AZ 18.20 060530002 Unknown CA 18.20 040191034 Coachline AZ 17.40 040139997 Supersite AZ 15.70 060850002 Gilory - 9th Street CA 14.80 060832004 Lompoc H Street CA 14.80 040132001 Glendale Community College AZ 12.90 061113001 El Rio - Rio Mesa School #2 CA 12.30 040139812 Durango AZ 10.90 040191032 Rose Elementary AZ 9.50 061111004 Ojai - Ojai Ave. CA 8.80 060953002 Vacaville CA 8.50 060731010 San Diego - Beardsley Street CA 8.20 060610002 Auburn CA 7.20 060970003 Santa Rosa - 5th Street CA 7.00 060670012 Folsom CA 7.00 060670010 Sacramento - T Street CA 7.00 060670006 Sacramento - Del Paso Manor CA 6.60 060670011 Elk Grove CA 6.40 060959999 Rio Vista CA 6.40 060850005 San Jose - Jackson St. CA 6.20 040191030 Green Valley AZ 6.10 060410001 San Rafael CA 5.80 060811001 Redwood City CA 5.80 060010011 Oakland West CA 5.50 000010401 Mount Pearl NF 5.40 060950004 Vallejo - 304 Tuolumne Street CA 5.20 060410003 Point Reyes CA 5.00 060710005 Lake Gregory - Crestline CA 5.00 060659001 Lake Elsinore - W. Flint Street CA 4.90 060010007 Livermore - Rincon CA 4.80 061131003 Woodland CA 4.80 060550003 Napa - Jefferson St CA 4.70 060750005 San Francisco - Arkansas Street CA 4.20 061110007 Thousand Oaks - Moorpark Road CA 3.80 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 3.70 060376012 Santa Clarita CA 3.70 060374002 North Long Beach CA 3.60 060731008 Camp Pendleton CA 3.50 060650012 Banning - South Hathaway Street CA 2.90 060610006 Roseville - N.Sunrise/Douglas CA 2.90 040191113 Geronimo AZ 2.80 061110009 Piru - Pacific CA 1.50 061070009 Sequoia/Kings Canyon - Ash Mountain CA 1.50 000062501 Tiverton ON 1.00 060371201 Reseda CA 0.80 060798001 Atascadero CA 0.80 060370016 Glendora - Laurel CA 0.60 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 18.00 060870007 Unknown CA 16.20 060530002 Unknown CA 15.60 060832004 Lompoc H Street CA 14.60 061113001 El Rio - Rio Mesa School #2 CA 13.00 040134010 Dysart AZ 12.80 060832011 GOLETA CA 12.60 040191034 Coachline AZ 12.20 061111004 Ojai - Ojai Ave. CA 12.10 060850002 Gilory - 9th Street CA 12.10 040139998 Vehicle Emissions Laboratory AZ 11.40 040139997 Supersite AZ 11.40 040134003 South Phoenix AZ 10.60 040138005 Estrella AZ 10.40 040132001 Glendale Community College AZ 9.40 040139812 Durango AZ 7.60 040130019 West Phoenix AZ 7.00 060953002 Vacaville CA 6.60 060410001 San Rafael CA 6.50 060670010 Sacramento - T Street CA 6.50 060670006 Sacramento - Del Paso Manor CA 6.00 061131003 Woodland CA 5.90 060610002 Auburn CA 5.70 060670012 Folsom CA 5.60 060731010 San Diego - Beardsley Street CA 5.40 060410003 Point Reyes CA 5.40 040191032 Rose Elementary AZ 5.10 060010007 Livermore - Rincon CA 5.00 060850005 San Jose - Jackson St. CA 5.00 060710005 Lake Gregory - Crestline CA 4.90 060970003 Santa Rosa - 5th Street CA 4.90 000010401 Mount Pearl NF 4.80 060811001 Redwood City CA 4.60 060959999 Rio Vista CA 4.60 060670011 Elk Grove CA 4.60 060010011 Oakland West CA 4.50 061130004 Davis CA 4.10 060798001 Atascadero CA 4.00 060550003 Napa - Jefferson St CA 3.90 060950004 Vallejo - 304 Tuolumne Street CA 3.60 060376012 Santa Clarita CA 3.00 060750005 San Francisco - Arkansas Street CA 3.00 060370016 Glendora - Laurel CA 2.80 060659001 Lake Elsinore - W. Flint Street CA 2.70 061110009 Piru - Pacific CA 2.70 040191030 Green Valley AZ 2.10 060610006 Roseville - N.Sunrise/Douglas CA 1.90 060650012 Banning - South Hathaway Street CA 1.90 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 1.50 000062501 Tiverton ON 1.10 000065301 Port Stanley ON 0.80 060374002 North Long Beach CA 0.80 000063701 Grand Bend ON 0.70 060290014 Bakersfield - 5558 California Ave CA 0.70 060250005 Calexico - Ethel Street CA 0.70 040191113 Geronimo AZ 0.70 000061201 Cornwall ON 0.60 061110007 Thousand Oaks - Moorpark Road CA 0.60 000065001 Barrie ON 0.50 000065801 Chatham ON #coincidences 10-30 and Corr > 0.5 3.10 000020401 SOUTHAMPTON PE 0.80 000040801 CANTERBURY NB Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 448.30 060830011 Santa Barbara CA 210.50 040130019 West Phoenix AZ 183.50 061010003 Yuba City CA 60.60 010970003 CHICK. AL 58.60 060431001 Yosemite Village - Visitor Center CA 54.90 060890007 Anderson CA 48.30 060832011 GOLETA CA 42.40 060250005 Calexico - Ethel Street CA 41.90 060570005 Grass Valley CA 34.50 060711004 Upland CA 34.50 060371103 Los Angeles - N. Main Street CA 33.50 060792004 Mesa 2 /Nipomo CA 31.40 061130004 Davis CA 27.30 000054501 L'Assomption QC 26.70 060990005 Modesto - 14th Street CA 26.70 060658001 Riverside - Rubidoux CA 24.80 051390006 El Dorado AR 23.80 080410017 Colorado College CO 23.30 060651003 Riverside - Magnolia CA 23.30 060371002 Burbank - W. Palm Ave CA 22.60 000060512 Hamilton Downtown ON 22.40 010731010 LEEDS AL 22.10 010731005 MCADORY AL 21.80 080310002 Denver - CAMP - 2105 Broadway CO 21.20 060650012 Banning - South Hathaway Street CA 20.40 060731010 San Diego - Beardsley Street CA 20.10 060731006 Alpine CA 20.00 010732003 WYLAM AL 19.90 060730003 El Cajon - Redwood Ave CA 19.40 061112002 Simi Valley - Cochran Street CA 19.30 080770017 Grand Junction - Powell Building CO 18.70 060590007 Anaheim CA 18.60 060371201 Reseda CA 18.60 060370016 Glendora - Laurel CA 18.40 011011002 MONTG AL 18.20 061111004 Ojai - Ojai Ave. CA 18.20 060731002 Escondido CA 18.20 010735003 CORNER AL 18.00 080310025 Denver Animal Shelter - 678 S. Jason St. CO 17.90 051191008 ADEQ-DSR AR 17.90 050350005 MARION AR 17.90 040139812 Durango AZ 17.70 010735002 PINSON AL 17.70 000054703 Bécancour (Aréna) QC 16.90 010731009 PROVIDENCE AL 16.70 061110009 Piru - Pacific CA 16.50 051190007 PARR AR 16.40 060374002 North Long Beach CA 16.40 010732006 HOOVER AL 16.10 000061004 Sarnia ON 16.10 000051501 Zéphirin QC 15.90 061072002 Visalia - N. Church Street CA 15.90 060731008 Camp Pendleton CA 15.80 061110007 Thousand Oaks - Moorpark Road CA 15.80 060376012 Santa Clarita CA 15.40 040132001 Glendale Community College AZ 15.20 060659001 Lake Elsinore - W. Flint Street CA 14.80 061113001 El Rio - Rio Mesa School #2 CA 14.40 060710005 Lake Gregory - Crestline CA 14.40 060610006 Roseville - N.Sunrise/Douglas CA 14.30 000040901 ST ANDREWS NB 14.20 000061302 St. Catharines ON 14.20 000060424 Toronto Downtown ON 14.10 080130003 Longmont CO 13.90 000060204 Windsor Downtown ON 13.80 000065001 Barrie ON 13.70 060750005 San Francisco - Arkansas Street CA 13.70 040191113 Geronimo AZ 13.40 000061402 Brantford ON 13.40 000060903 London ON 13.30 060290014 Bakersfield - 5558 California Ave CA 13.30 040139997 Supersite AZ 13.10 060798001 Atascadero CA 12.90 060832004 Lompoc H Street CA 12.80 080010006 Commerce City - 7101 Birch St. CO 12.50 051430005 SPRNGDLE AR 12.50 000065301 Port Stanley ON 12.50 000061502 Kitchener ON 12.40 060550003 Napa - Jefferson St CA 12.30 060410001 San Rafael CA 12.10 080310013 Denver - NJH - 14th Ave. & Albion St. CO 12.10 060410003 Point Reyes CA 12.10 000060303 Kingston ON 11.90 060210002 Willows - E. Laurel Street CA 11.80 061070009 Sequoia/Kings Canyon - Ash Mountain CA 11.80 060950004 Vallejo - 304 Tuolumne Street CA 11.80 060850002 Gilory - 9th Street CA 11.80 060070002 Chico - Manzanita CA 11.60 061131003 Woodland CA 11.40 040134003 South Phoenix AZ 11.30 060811001 Redwood City CA 11.30 000054401 Saint-Anicet QC 11.20 040138005 Estrella AZ 11.10 080350004 Chatfield Park - 11500 N. Roxborough Par CO 11.10 060850005 San Jose - Jackson St. CA 11.10 060010007 Livermore - Rincon CA 11.00 000065801 Chatham ON 10.80 060959999 Rio Vista CA 10.80 060010011 Oakland West CA 10.80 000061104 Peterborough ON 10.60 060670011 Elk Grove CA 10.60 000065401 Belleville ON 10.50 080131001 Boulder - CU - 2102 Athens St. CO 10.40 040191034 Coachline AZ 10.40 040191030 Green Valley AZ 10.40 000063701 Grand Bend ON 10.20 060670012 Folsom CA 10.20 000090502 Lethbridge AB 10.10 060670010 Sacramento - T Street CA 10.10 060074001 Gridley CA 10.00 060970003 Santa Rosa - 5th Street CA 9.90 060670006 Sacramento - Del Paso Manor CA 9.90 060530002 Unknown CA 9.60 060610002 Auburn CA 9.60 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 9.60 040134010 Dysart AZ 9.50 000090402 Medicine Hat - Crescent Hts AB 9.40 040139998 Vehicle Emissions Laboratory AZ 9.40 000062501 Tiverton ON 9.30 060870007 Unknown CA 9.10 000090121 Edmonton East AB 9.00 000041302 BATHURST NB 8.90 080450007 Rifle Particulate CO 8.90 060690002 Unknown CA 8.80 000065701 Morrisburg ON 8.80 000065201 Parry Sound ON 8.80 000060104 Ottawa ON 8.70 000090120 Edmonton South AB 8.70 000061201 Cornwall ON 8.50 000091901 Caroline AB 8.40 060271023 Bishop Paiute Tribe-CA CA 8.40 000063301 Dorset ON 8.40 000040302 MONCTON NB 8.30 000060609 Sudbury ON 8.20 060953002 Vacaville CA 8.10 000060709 Sault Ste Marie ON 8.00 000020104 CHARLOTTETOWN PE 7.60 000062001 North Bay ON 7.60 000020301 WELLINGTON PE 7.50 000094301 Cold Lake South AB 7.30 000090601 Fort Saskatchewan AB 6.20 000040207 SAINT JOHN WEST NB 6.10 000091101 Elk Island AB 6.10 000040103 FREDERICTON NB 5.90 000010401 Mount Pearl NF 5.80 040191032 Rose Elementary AZ #coincidences 10-30 and Corr > 0.5 15.40 000040209 CASTLE ST. SAINT JO NB 14.90 060631007 Chester BAM CA 14.50 000090222 Calgary Northwest AB 12.80 060639901 Quincy BAM CA 9.30 000040801 CANTERBURY NB 9.00 000090130 Edmonton Central AB 8.10 000040203 FOREST HILLS NB 7.60 060571001 Truckee BAM CA 6.60 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 29.10 060870007 Unknown CA 29.10 060850002 Gilory - 9th Street CA 29.10 060690002 Unknown CA 29.10 060530002 Unknown CA 26.70 000010401 Mount Pearl NF 23.20 061113001 El Rio - Rio Mesa School #2 CA 23.20 061111004 Ojai - Ojai Ave. CA 23.20 060832011 GOLETA CA 23.20 060832004 Lompoc H Street CA 23.20 060830011 Santa Barbara CA 22.00 060731010 San Diego - Beardsley Street CA 21.90 000020401 SOUTHAMPTON PE 13.10 000040302 MONCTON NB 13.10 000030701 AYLESFORD MOUNTAIN NS 13.10 000020301 WELLINGTON PE 13.10 000020104 CHARLOTTETOWN PE 11.40 000041302 BATHURST NB 11.10 061131003 Woodland CA 11.10 061130004 Davis CA 11.10 060970003 Santa Rosa - 5th Street CA 11.10 060959999 Rio Vista CA 11.10 060953002 Vacaville CA 11.10 060950004 Vallejo - 304 Tuolumne Street CA 11.10 060850005 San Jose - Jackson St. CA 11.10 060811001 Redwood City CA 11.10 060750005 San Francisco - Arkansas Street CA 11.10 060670012 Folsom CA 11.10 060670011 Elk Grove CA 11.10 060670010 Sacramento - T Street CA 11.10 060670006 Sacramento - Del Paso Manor CA 11.10 060610006 Roseville - N.Sunrise/Douglas CA 11.10 060610002 Auburn CA 11.10 060550003 Napa - Jefferson St CA 11.10 060410003 Point Reyes CA 11.10 060410001 San Rafael CA 11.10 060010011 Oakland West CA 11.10 060010007 Livermore - Rincon CA 10.90 000040209 CASTLE ST. SAINT JO NB 10.90 000040207 SAINT JOHN WEST NB 10.90 000040203 FOREST HILLS NB 10.90 000040103 FREDERICTON NB 10.00 061072002 Visalia - N. Church Street CA 10.00 060798001 Atascadero CA 10.00 060792004 Mesa 2 /Nipomo CA 10.00 060311004 Hanford - S. Irwin Street CA 10.00 060290014 Bakersfield - 5558 California Ave CA 10.00 060195001 Clovis - N. Villa Ave CA 9.60 061112002 Simi Valley - Cochran Street CA 9.60 061110009 Piru - Pacific CA 9.60 061110007 Thousand Oaks - Moorpark Road CA 9.60 060731008 Camp Pendleton CA 9.60 060731002 Escondido CA 9.60 060711004 Upland CA 9.60 060710005 Lake Gregory - Crestline CA 9.60 060659001 Lake Elsinore - W. Flint Street CA 9.60 060658001 Riverside - Rubidoux CA 9.60 060651003 Riverside - Magnolia CA 9.60 060590007 Anaheim CA 9.60 060376012 Santa Clarita CA 9.60 060374002 North Long Beach CA 9.60 060371201 Reseda CA 9.60 060371103 Los Angeles - N. Main Street CA 9.60 060371002 Burbank - W. Palm Ave CA 9.60 060370016 Glendora - Laurel CA 9.40 060731006 Alpine CA 9.40 060730003 El Cajon - Redwood Ave CA 9.40 060250005 Calexico - Ethel Street CA 9.40 000030310 SYDNEY NS 9.30 050350005 MARION AR 9.10 040191034 Coachline AZ 8.90 010731009 PROVIDENCE AL 8.90 010731005 MCADORY AL 8.50 060650012 Banning - South Hathaway Street CA 8.40 051390006 El Dorado AR 8.40 051191008 ADEQ-DSR AR 8.40 051190007 PARR AR 7.90 000040901 ST ANDREWS NB 7.90 000040801 CANTERBURY NB 7.60 010970003 CHICK. AL 6.40 040139998 Vehicle Emissions Laboratory AZ 6.40 040139997 Supersite AZ 6.40 040139812 Durango AZ 6.40 040138005 Estrella AZ 6.40 040134010 Dysart AZ 6.40 040134003 South Phoenix AZ 6.40 040132001 Glendale Community College AZ 6.40 040130019 West Phoenix AZ 6.10 010735003 CORNER AL 6.10 010735002 PINSON AL 6.10 010732006 HOOVER AL 6.10 010732003 WYLAM AL 6.10 010731010 LEEDS AL 5.10 040191113 Geronimo AZ 5.10 040191032 Rose Elementary AZ 5.10 040191030 Green Valley AZ 5.00 000065001 Barrie ON 5.00 000061502 Kitchener ON 5.00 000061402 Brantford ON 5.00 000061302 St. Catharines ON 5.00 000060512 Hamilton Downtown ON 5.00 000060424 Toronto Downtown ON 4.80 051430005 SPRNGDLE AR 4.60 000060204 Windsor Downtown ON 3.90 000065401 Belleville ON 3.90 000061104 Peterborough ON 3.50 061070009 Sequoia/Kings Canyon - Ash Mountain CA 3.50 061010003 Yuba City CA 3.50 060890007 Anderson CA 3.50 060631007 Chester BAM CA 3.50 060570005 Grass Valley CA 3.50 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 3.50 060210002 Willows - E. Laurel Street CA 3.50 060074001 Gridley CA 3.50 060070002 Chico - Manzanita CA 3.50 011011002 MONTG AL 3.50 000065801 Chatham ON 3.50 000065301 Port Stanley ON 3.50 000061004 Sarnia ON 3.50 000060903 London ON 3.40 080410017 Colorado College CO 3.40 080310025 Denver Animal Shelter - 678 S. Jason St. CO 3.40 080310013 Denver - NJH - 14th Ave. & Albion St. CO 3.40 080310002 Denver - CAMP - 2105 Broadway CO 3.40 080010006 Commerce City - 7101 Birch St. CO 3.30 000061201 Cornwall ON 3.30 000054703 Bécancour (Aréna) QC 3.30 000054501 L'Assomption QC 3.30 000054401 Saint-Anicet QC 3.30 000051501 Zéphirin QC 3.10 060990006 Turlock - S. Minaret Street CA 3.10 060990005 Modesto - 14th Street CA 3.10 060470003 Merced - S. Coffee Ave CA 3.10 060431001 Yosemite Village - Visitor Center CA 2.80 000065201 Parry Sound ON 2.80 000062001 North Bay ON 2.80 000060609 Sudbury ON 2.80 000060104 Ottawa ON 2.70 000060709 Sault Ste Marie ON 2.60 000065701 Morrisburg ON 2.60 000063301 Dorset ON 2.60 000060303 Kingston ON 2.50 080350004 Chatfield Park - 11500 N. Roxborough Par CO 2.50 080131001 Boulder - CU - 2102 Athens St. CO 2.50 080130003 Longmont CO 2.50 000063701 Grand Bend ON 2.50 000062501 Tiverton ON 2.40 080770017 Grand Junction - Powell Building CO 2.40 080450007 Rifle Particulate CO 2.40 060639901 Quincy BAM CA 2.40 060571001 Truckee BAM CA 1.90 060271023 Bishop Paiute Tribe-CA CA 1.70 000094301 Cold Lake South AB 1.50 000090402 Medicine Hat - Crescent Hts AB 1.10 000091101 Elk Island AB 1.10 000090601 Fort Saskatchewan AB 1.10 000090130 Edmonton Central AB 1.10 000090121 Edmonton East AB 1.10 000090120 Edmonton South AB 1.00 000091901 Caroline AB 1.00 000090502 Lethbridge AB 1.00 000090302 Red Deer AB 1.00 000090222 Calgary Northwest AB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)