Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.67 000065201 Parry Sound ON 0.61 000090601 Fort Saskatchewan AB 0.61 000063301 Dorset ON 0.59 000062001 North Bay ON 0.58 000060609 Sudbury ON 0.51 051430005 SPRNGDLE AR 0.51 000090222 Calgary Northwest AB #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 0.79 000065201 Parry Sound ON 0.79 000062001 North Bay ON 0.77 000063301 Dorset ON 0.75 051430005 SPRNGDLE AR 0.74 000090601 Fort Saskatchewan AB 0.72 000060609 Sudbury ON 0.71 040191030 Green Valley AZ 0.65 080450007 Rifle Particulate CO 0.62 051190007 PARR AR 0.61 000091101 Elk Island AB 0.59 051191008 ADEQ-DSR AR 0.58 060832004 Lompoc H Street CA 0.56 050350005 MARION AR 0.55 060431001 Yosemite Village - Visitor Center CA 0.54 000090120 Edmonton South AB 0.53 000094301 Cold Lake South AB 0.52 080130003 Longmont CO 0.51 080131001 Boulder - CU - 2102 Athens St. CO 0.51 040191032 Rose Elementary AZ 0.51 040134010 Dysart AZ 0.51 040132001 Glendale Community College AZ 0.50 000063701 Grand Bend ON #coincidences 10-30 and Corr > 0.5 0.86 000090222 Calgary Northwest AB 0.56 060631007 Chester BAM CA 0.56 000040209 CASTLE ST. SAINT JO NB Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 23.20 040139998 Vehicle Emissions Laboratory AZ 22.40 040134010 Dysart AZ 21.40 040139997 Supersite AZ 21.30 060690002 Unknown CA 20.90 040138005 Estrella AZ 20.80 040134003 South Phoenix AZ 20.00 060870007 Unknown CA 19.00 040191034 Coachline AZ 18.30 060530002 Unknown CA 18.00 040132001 Glendale Community College AZ 17.00 060850002 Gilory - 9th Street CA 15.60 060832004 Lompoc H Street CA 15.50 040139812 Durango AZ 13.50 061113001 El Rio - Rio Mesa School #2 CA 11.80 040191032 Rose Elementary AZ 10.20 061111004 Ojai - Ojai Ave. CA 9.00 060953002 Vacaville CA 8.40 060610002 Auburn CA 8.00 060731010 San Diego - Beardsley Street CA 7.30 060670012 Folsom CA 7.20 060970003 Santa Rosa - 5th Street CA 7.10 060670010 Sacramento - T Street CA 7.10 060670006 Sacramento - Del Paso Manor CA 7.00 040191030 Green Valley AZ 6.60 060670011 Elk Grove CA 6.50 060850005 San Jose - Jackson St. CA 6.40 060959999 Rio Vista CA 6.30 060010011 Oakland West CA 6.00 060410001 San Rafael CA 5.70 060811001 Redwood City CA 5.70 060410003 Point Reyes CA 5.60 060950004 Vallejo - 304 Tuolumne Street CA 5.60 060710005 Lake Gregory - Crestline CA 5.50 000010401 Mount Pearl NF 5.30 060750005 San Francisco - Arkansas Street CA 5.10 061131003 Woodland CA 4.90 060550003 Napa - Jefferson St CA 4.80 060659001 Lake Elsinore - W. Flint Street CA 4.50 060010007 Livermore - Rincon CA 4.30 061110007 Thousand Oaks - Moorpark Road CA 4.30 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 4.20 060376012 Santa Clarita CA 4.10 060374002 North Long Beach CA 4.00 060650012 Banning - South Hathaway Street CA 3.60 060731008 Camp Pendleton CA 3.60 040191113 Geronimo AZ 3.30 060610006 Roseville - N.Sunrise/Douglas CA 2.90 061110009 Piru - Pacific CA 2.10 061070009 Sequoia/Kings Canyon - Ash Mountain CA 1.70 000062501 Tiverton ON 1.50 060370016 Glendora - Laurel CA 1.40 060371201 Reseda CA 1.30 060271023 Bishop Paiute Tribe-CA CA 1.10 060731002 Escondido CA 1.00 060798001 Atascadero CA 0.50 061112002 Simi Valley - Cochran Street CA 0.50 060590007 Anaheim CA #coincidences 10-30 and Corr > 0.5 7.20 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 060870007 Unknown CA 18.10 060690002 Unknown CA 16.20 060530002 Unknown CA 15.80 060832004 Lompoc H Street CA 14.50 061113001 El Rio - Rio Mesa School #2 CA 13.40 040191034 Coachline AZ 13.10 040134010 Dysart AZ 12.80 060832011 GOLETA CA 12.60 040139998 Vehicle Emissions Laboratory AZ 12.30 061111004 Ojai - Ojai Ave. CA 12.00 060850002 Gilory - 9th Street CA 11.90 040139997 Supersite AZ 11.70 040134003 South Phoenix AZ 11.10 040138005 Estrella AZ 10.70 040132001 Glendale Community College AZ 9.70 040139812 Durango AZ 7.90 040130019 West Phoenix AZ 7.10 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 6.00 060610002 Auburn CA 5.90 060670012 Folsom CA 5.70 060731010 San Diego - Beardsley Street CA 5.50 060410003 Point Reyes CA 5.50 040191032 Rose Elementary AZ 5.20 060970003 Santa Rosa - 5th Street CA 5.20 060010007 Livermore - Rincon CA 5.10 060710005 Lake Gregory - Crestline CA 5.00 060850005 San Jose - Jackson St. CA 5.00 060811001 Redwood City CA 4.90 060010011 Oakland West CA 4.80 060670011 Elk Grove CA 4.60 061130004 Davis CA 4.60 060959999 Rio Vista CA 4.60 000010401 Mount Pearl NF 4.10 060798001 Atascadero CA 4.10 060550003 Napa - Jefferson St CA 4.00 060950004 Vallejo - 304 Tuolumne Street CA 4.00 060370016 Glendora - Laurel CA 3.80 060376012 Santa Clarita CA 3.10 060659001 Lake Elsinore - W. Flint Street CA 2.90 061110009 Piru - Pacific CA 2.80 060750005 San Francisco - Arkansas Street CA 2.60 040191030 Green Valley AZ 2.30 060610006 Roseville - N.Sunrise/Douglas CA 2.00 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 1.70 060650012 Banning - South Hathaway Street CA 1.20 000062501 Tiverton ON 1.00 061110007 Thousand Oaks - Moorpark Road CA 1.00 060374002 North Long Beach CA 1.00 000065301 Port Stanley ON 0.90 060290014 Bakersfield - 5558 California Ave CA 0.80 000061201 Cornwall ON #coincidences 10-30 and Corr > 0.5 3.10 000020401 SOUTHAMPTON PE Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 525.50 060830011 Santa Barbara CA 208.00 040130019 West Phoenix AZ 190.80 061010003 Yuba City CA 107.00 061072002 Visalia - N. Church Street CA 65.50 060431001 Yosemite Village - Visitor Center CA 61.70 010970003 CHICK. AL 54.60 060890007 Anderson CA 48.30 060832011 GOLETA CA 46.10 060570005 Grass Valley CA 43.70 060250005 Calexico - Ethel Street CA 34.70 060711004 Upland CA 34.20 060792004 Mesa 2 /Nipomo CA 31.10 061130004 Davis CA 27.60 000054501 L'Assomption QC 25.90 060990005 Modesto - 14th Street CA 25.80 060658001 Riverside - Rubidoux CA 23.80 080410017 Colorado College CO 22.80 060371002 Burbank - W. Palm Ave CA 22.80 010731010 LEEDS AL 22.50 060651003 Riverside - Magnolia CA 22.10 000060512 Hamilton Downtown ON 21.80 010731005 MCADORY AL 20.90 060731010 San Diego - Beardsley Street CA 20.50 060650012 Banning - South Hathaway Street CA 20.30 051390006 El Dorado AR 20.00 080310002 Denver - CAMP - 2105 Broadway CO 19.90 010732003 WYLAM AL 19.80 060730003 El Cajon - Redwood Ave CA 19.70 060731006 Alpine CA 19.10 061112002 Simi Valley - Cochran Street CA 19.00 050350005 MARION AR 18.90 080770017 Grand Junction - Powell Building CO 18.60 060371201 Reseda CA 18.60 051191008 ADEQ-DSR AR 18.40 060590007 Anaheim CA 18.40 010735003 CORNER AL 18.20 080310025 Denver Animal Shelter - 678 S. Jason St. CO 18.10 060370016 Glendora - Laurel CA 18.00 061111004 Ojai - Ojai Ave. CA 18.00 060731002 Escondido CA 17.90 011011002 MONTG AL 17.80 010735002 PINSON AL 17.20 010731009 PROVIDENCE AL 17.20 000054703 Bécancour (Aréna) QC 16.90 051190007 PARR AR 16.70 061110009 Piru - Pacific CA 16.60 010732006 HOOVER AL 16.40 000051501 Zéphirin QC 16.10 060731008 Camp Pendleton CA 16.10 000061004 Sarnia ON 15.80 061110007 Thousand Oaks - Moorpark Road CA 15.80 060374002 North Long Beach CA 15.50 040139812 Durango AZ 15.40 060376012 Santa Clarita CA 15.30 000060424 Toronto Downtown ON 15.20 060659001 Lake Elsinore - W. Flint Street CA 14.90 000061302 St. Catharines ON 14.80 061113001 El Rio - Rio Mesa School #2 CA 14.80 000065001 Barrie ON 14.60 000060303 Kingston ON 14.50 000061402 Brantford ON 14.20 000060903 London ON 14.00 060710005 Lake Gregory - Crestline CA 14.00 060610006 Roseville - N.Sunrise/Douglas CA 14.00 000040901 ST ANDREWS NB 13.90 080130003 Longmont CO 13.80 000060204 Windsor Downtown ON 13.70 000061502 Kitchener ON 13.50 060798001 Atascadero CA 13.40 060290014 Bakersfield - 5558 California Ave CA 13.40 040191113 Geronimo AZ 13.10 060750005 San Francisco - Arkansas Street CA 13.10 000065301 Port Stanley ON 13.00 040132001 Glendale Community College AZ 12.70 000065801 Chatham ON 12.60 060832004 Lompoc H Street CA 12.40 080010006 Commerce City - 7101 Birch St. CO 12.40 060410001 San Rafael CA 12.30 060550003 Napa - Jefferson St CA 12.30 051430005 SPRNGDLE AR 12.20 000061104 Peterborough ON 12.10 060210002 Willows - E. Laurel Street CA 12.00 080310013 Denver - NJH - 14th Ave. & Albion St. CO 11.90 000054401 Saint-Anicet QC 11.70 061070009 Sequoia/Kings Canyon - Ash Mountain CA 11.60 060950004 Vallejo - 304 Tuolumne Street CA 11.60 060850002 Gilory - 9th Street CA 11.60 060410003 Point Reyes CA 11.60 060010007 Livermore - Rincon CA 11.50 000063701 Grand Bend ON 11.40 061131003 Woodland CA 11.40 060811001 Redwood City CA 11.40 000065401 Belleville ON 11.10 060850005 San Jose - Jackson St. CA 10.90 000062501 Tiverton ON 10.80 060959999 Rio Vista CA 10.60 060670011 Elk Grove CA 10.50 000090502 Lethbridge AB 10.40 080350004 Chatfield Park - 11500 N. Roxborough Par CO 10.30 060010011 Oakland West CA 10.20 040191034 Coachline AZ 10.10 080131001 Boulder - CU - 2102 Athens St. CO 10.10 040139997 Supersite AZ 10.10 040138005 Estrella AZ 10.10 040134003 South Phoenix AZ 10.00 060970003 Santa Rosa - 5th Street CA 10.00 060670010 Sacramento - T Street CA 10.00 060074001 Gridley CA 9.90 060670012 Folsom CA 9.90 040191030 Green Valley AZ 9.80 060670006 Sacramento - Del Paso Manor CA 9.80 000065201 Parry Sound ON 9.60 060530002 Unknown CA 9.60 000063301 Dorset ON 9.50 060610002 Auburn CA 9.50 000065701 Morrisburg ON 9.40 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 9.40 000090402 Medicine Hat - Crescent Hts AB 9.20 060870007 Unknown CA 9.10 060690002 Unknown CA 9.10 000090121 Edmonton East AB 9.10 000062001 North Bay ON 9.00 000061201 Cornwall ON 9.00 000060104 Ottawa ON 8.90 040134010 Dysart AZ 8.90 000041302 BATHURST NB 8.70 080450007 Rifle Particulate CO 8.70 000060709 Sault Ste Marie ON 8.70 000060609 Sudbury ON 8.50 000090120 Edmonton South AB 8.40 000091901 Caroline AB 8.10 060953002 Vacaville CA 8.00 000040302 MONCTON NB 7.80 040139998 Vehicle Emissions Laboratory AZ 7.80 000094301 Cold Lake South AB 7.70 000090601 Fort Saskatchewan AB 7.60 060271023 Bishop Paiute Tribe-CA CA 7.60 000020104 CHARLOTTETOWN PE 6.90 000020301 WELLINGTON PE 6.30 000091101 Elk Island AB 5.90 000040207 SAINT JOHN WEST NB 5.90 000010401 Mount Pearl NF 5.60 040191032 Rose Elementary AZ 5.30 000040103 FREDERICTON NB #coincidences 10-30 and Corr > 0.5 34.20 060371103 Los Angeles - N. Main Street CA 15.10 060631007 Chester BAM CA 14.00 000090222 Calgary Northwest AB 13.40 000040209 CASTLE ST. SAINT JO NB 13.00 060639901 Quincy BAM CA 12.00 060070002 Chico - Manzanita CA 8.30 000090130 Edmonton Central AB 8.10 000040801 CANTERBURY NB 7.60 000040203 FOREST HILLS NB 7.40 060571001 Truckee BAM CA 5.70 000030701 AYLESFORD MOUNTAIN NS 4.40 000020401 SOUTHAMPTON PE Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 32.80 060870007 Unknown CA 32.80 060850002 Gilory - 9th Street CA 32.80 060690002 Unknown CA 32.80 060530002 Unknown CA 31.40 060731010 San Diego - Beardsley Street CA 30.40 061113001 El Rio - Rio Mesa School #2 CA 30.40 061111004 Ojai - Ojai Ave. CA 30.40 060832011 GOLETA CA 30.40 060832004 Lompoc H Street CA 30.40 060830011 Santa Barbara CA 20.00 051390006 El Dorado AR 20.00 051191008 ADEQ-DSR AR 20.00 051190007 PARR AR 16.40 000030310 SYDNEY NS 14.80 000020401 SOUTHAMPTON PE 14.00 060731006 Alpine CA 14.00 060730003 El Cajon - Redwood Ave CA 14.00 060250005 Calexico - Ethel Street CA 13.50 050350005 MARION AR 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 060371103 Los Angeles - N. Main Street CA 13.30 060371002 Burbank - W. Palm Ave CA 13.30 060370016 Glendora - Laurel CA 12.60 061072002 Visalia - N. Church Street CA 12.60 060798001 Atascadero CA 12.60 060792004 Mesa 2 /Nipomo CA 12.60 060311004 Hanford - S. Irwin Street CA 12.60 060290014 Bakersfield - 5558 California Ave CA 12.60 060195001 Clovis - N. Villa Ave CA 11.70 000010401 Mount Pearl NF 11.00 061070009 Sequoia/Kings Canyon - Ash Mountain CA 11.00 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 10.70 060650012 Banning - South Hathaway Street CA 10.00 010731009 PROVIDENCE AL 10.00 010731005 MCADORY AL 9.10 000041302 BATHURST NB 8.50 061131003 Woodland CA 8.50 061130004 Davis CA 8.50 060970003 Santa Rosa - 5th Street CA 8.50 060959999 Rio Vista CA 8.50 060953002 Vacaville CA 8.50 060950004 Vallejo - 304 Tuolumne Street CA 8.50 060850005 San Jose - Jackson St. CA 8.50 060811001 Redwood City CA 8.50 060750005 San Francisco - Arkansas Street CA 8.50 060670012 Folsom CA 8.50 060670011 Elk Grove CA 8.50 060670010 Sacramento - T Street CA 8.50 060670006 Sacramento - Del Paso Manor CA 8.50 060610006 Roseville - N.Sunrise/Douglas CA 8.50 060610002 Auburn CA 8.50 060550003 Napa - Jefferson St CA 8.50 060410003 Point Reyes CA 8.50 060410001 San Rafael CA 8.50 060010011 Oakland West CA 8.50 060010007 Livermore - Rincon CA 7.60 051430005 SPRNGDLE AR 6.90 010735003 CORNER AL 6.90 010735002 PINSON AL 6.90 010732006 HOOVER AL 6.90 010732003 WYLAM AL 6.90 010731010 LEEDS AL 6.80 040191034 Coachline AZ 6.50 000065001 Barrie ON 6.50 000061502 Kitchener ON 6.50 000061402 Brantford ON 6.50 000061302 St. Catharines ON 6.50 000060512 Hamilton Downtown ON 6.50 000060424 Toronto Downtown ON 6.00 000065801 Chatham ON 6.00 000065301 Port Stanley ON 6.00 000061004 Sarnia ON 6.00 000060903 London ON 5.50 000060204 Windsor Downtown ON 5.40 000065401 Belleville ON 5.40 000061104 Peterborough ON 4.70 000040302 MONCTON NB 4.70 000030701 AYLESFORD MOUNTAIN NS 4.70 000020301 WELLINGTON PE 4.70 000020104 CHARLOTTETOWN PE 4.60 040191113 Geronimo AZ 4.60 040191032 Rose Elementary AZ 4.60 040191030 Green Valley AZ 4.50 060990006 Turlock - S. Minaret Street CA 4.50 060990005 Modesto - 14th Street CA 4.50 060470003 Merced - S. Coffee Ave CA 4.50 060431001 Yosemite Village - Visitor Center CA 4.40 040139998 Vehicle Emissions Laboratory AZ 4.40 040139997 Supersite AZ 4.40 040139812 Durango AZ 4.40 040138005 Estrella AZ 4.40 040134010 Dysart AZ 4.40 040134003 South Phoenix AZ 4.40 040132001 Glendale Community College AZ 4.40 040130019 West Phoenix AZ 4.20 000060709 Sault Ste Marie ON 4.10 060271023 Bishop Paiute Tribe-CA CA 3.70 000065701 Morrisburg ON 3.70 000060303 Kingston ON 3.60 000063701 Grand Bend ON 3.60 000062501 Tiverton ON 3.40 000065201 Parry Sound ON 3.40 000062001 North Bay ON 3.40 000061201 Cornwall ON 3.40 000060609 Sudbury ON 3.40 000054501 L'Assomption QC 3.40 000054401 Saint-Anicet QC 3.30 061010003 Yuba City CA 3.30 060890007 Anderson CA 3.30 060631007 Chester BAM CA 3.30 060570005 Grass Valley CA 3.30 060210002 Willows - E. Laurel Street CA 3.30 060074001 Gridley CA 3.30 060070002 Chico - Manzanita CA 3.20 010970003 CHICK. AL 3.00 000063301 Dorset ON 2.90 000090601 Fort Saskatchewan AB 2.90 000090130 Edmonton Central AB 2.90 000090121 Edmonton East AB 2.90 000090120 Edmonton South AB 2.90 000060104 Ottawa ON 2.80 000054703 Bécancour (Aréna) QC 2.80 000051501 Zéphirin QC 2.60 000091901 Caroline AB 2.60 000090302 Red Deer AB 2.60 000090222 Calgary Northwest AB 2.50 060639901 Quincy BAM CA 2.50 060571001 Truckee BAM CA 2.50 011011002 MONTG AL 2.40 000091101 Elk Island AB 2.30 080770017 Grand Junction - Powell Building CO 2.30 080450007 Rifle Particulate CO 2.20 000094301 Cold Lake South AB 2.20 000090502 Lethbridge AB 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 080410017 Colorado College CO 1.70 000090402 Medicine Hat - Crescent Hts AB 1.50 080310025 Denver Animal Shelter - 678 S. Jason St. CO 1.50 080310013 Denver - NJH - 14th Ave. & Albion St. CO 1.50 080310002 Denver - CAMP - 2105 Broadway CO 1.50 080010006 Commerce City - 7101 Birch St. CO 1.50 000040901 ST ANDREWS NB 1.50 000040801 CANTERBURY NB 1.50 000040209 CASTLE ST. SAINT JO NB 1.50 000040207 SAINT JOHN WEST NB 1.50 000040203 FOREST HILLS NB 1.50 000040103 FREDERICTON NB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)