Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.60 040138005 Estrella AZ 0.59 000065201 Parry Sound ON 0.58 000062001 North Bay ON 0.57 040132001 Glendale Community College AZ 0.56 040139998 Vehicle Emissions Laboratory AZ 0.54 000060609 Sudbury ON 0.51 040139997 Supersite AZ #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 0.83 040132001 Glendale Community College AZ 0.75 040191030 Green Valley AZ 0.75 040138005 Estrella AZ 0.72 040139997 Supersite AZ 0.72 000065201 Parry Sound ON 0.67 080450007 Rifle Particulate CO 0.67 050350005 MARION AR 0.67 040139998 Vehicle Emissions Laboratory AZ 0.65 040191032 Rose Elementary AZ 0.64 060731010 San Diego - Beardsley Street CA 0.64 040134010 Dysart AZ 0.63 051430005 SPRNGDLE AR 0.63 000060609 Sudbury ON 0.62 040191113 Geronimo AZ 0.62 000061104 Peterborough ON 0.61 000063301 Dorset ON 0.61 000060512 Hamilton Downtown ON 0.58 080310002 Denver - CAMP - 2105 Broadway CO 0.58 080010006 Commerce City - 7101 Birch St. CO 0.57 060830011 Santa Barbara CA 0.57 000060303 Kingston ON 0.55 080310013 Denver - NJH - 14th Ave. & Albion St. CO 0.54 011011002 MONTG AL 0.53 080131001 Boulder - CU - 2102 Athens St. CO 0.53 000061302 St. Catharines ON 0.52 060832011 GOLETA CA 0.52 000094301 Cold Lake South AB 0.51 080350004 Chatfield Park - 11500 N. Roxborough Par CO 0.50 080310025 Denver Animal Shelter - 678 S. Jason St. CO 0.50 080130003 Longmont CO 0.50 060870007 Unknown CA 0.50 060750005 San Francisco - Arkansas Street CA #coincidences 10-30 and Corr > 0.5 0.69 000062001 North Bay ON 0.65 060371103 Los Angeles - N. Main Street CA 0.61 000090222 Calgary Northwest AB Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 25.40 000010401 Mount Pearl NF 21.20 060690002 Unknown CA 20.10 060530002 Unknown CA 19.60 060870007 Unknown CA 18.80 040191034 Coachline AZ 18.60 040139998 Vehicle Emissions Laboratory AZ 17.60 040139997 Supersite AZ 16.70 060850002 Gilory - 9th Street CA 16.60 040138005 Estrella AZ 16.40 040134003 South Phoenix AZ 15.80 040134010 Dysart AZ 14.40 061113001 El Rio - Rio Mesa School #2 CA 14.40 040132001 Glendale Community College AZ 11.80 040191032 Rose Elementary AZ 11.10 061111004 Ojai - Ojai Ave. CA 10.60 040139812 Durango AZ 9.90 060850005 San Jose - Jackson St. CA 9.20 060953002 Vacaville CA 8.80 060731010 San Diego - Beardsley Street CA 8.30 060410001 San Rafael CA 8.20 060670012 Folsom CA 7.80 060550003 Napa - Jefferson St CA 7.60 060670010 Sacramento - T Street CA 7.40 060010011 Oakland West CA 7.30 060970003 Santa Rosa - 5th Street CA 7.30 060950004 Vallejo - 304 Tuolumne Street CA 7.30 060670006 Sacramento - Del Paso Manor CA 6.60 060670011 Elk Grove CA 6.50 060959999 Rio Vista CA 6.50 060811001 Redwood City CA 6.20 060798001 Atascadero CA 6.20 060750005 San Francisco - Arkansas Street CA 6.00 060731008 Camp Pendleton CA 5.80 040191030 Green Valley AZ 5.50 060374002 North Long Beach CA 5.20 061131003 Woodland CA 5.10 060659001 Lake Elsinore - W. Flint Street CA 5.00 060710005 Lake Gregory - Crestline CA 4.90 061070009 Sequoia/Kings Canyon - Ash Mountain CA 4.10 061110007 Thousand Oaks - Moorpark Road CA 3.90 060610002 Auburn CA 3.50 060650012 Banning - South Hathaway Street CA 3.40 060610006 Roseville - N.Sunrise/Douglas CA 3.40 060376012 Santa Clarita CA 3.30 061110009 Piru - Pacific CA 2.80 000040103 FREDERICTON NB 2.40 060590007 Anaheim CA 2.20 000030701 AYLESFORD MOUNTAIN NS 1.90 060010007 Livermore - Rincon CA 1.70 000061502 Kitchener ON 1.70 000040207 SAINT JOHN WEST NB 1.60 000062501 Tiverton ON 1.40 060731002 Escondido CA 1.40 040191113 Geronimo AZ 0.80 000061402 Brantford ON 0.50 000020301 WELLINGTON PE #coincidences 10-30 and Corr > 0.5 11.80 000020401 SOUTHAMPTON PE 1.00 000040801 CANTERBURY NB 0.50 000040209 CASTLE ST. SAINT JO NB Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 18.70 060690002 Unknown CA 17.10 060870007 Unknown CA 16.30 060530002 Unknown CA 15.90 060832004 Lompoc H Street CA 14.70 000010401 Mount Pearl NF 13.90 061113001 El Rio - Rio Mesa School #2 CA 13.60 060850002 Gilory - 9th Street CA 11.90 060832011 GOLETA CA 11.30 040191034 Coachline AZ 10.90 061111004 Ojai - Ojai Ave. CA 9.80 040139998 Vehicle Emissions Laboratory AZ 8.90 040139997 Supersite AZ 8.50 040134010 Dysart AZ 8.30 040138005 Estrella AZ 8.20 040132001 Glendale Community College AZ 8.10 040134003 South Phoenix AZ 7.70 060953002 Vacaville CA 7.70 060410001 San Rafael CA 7.10 060670006 Sacramento - Del Paso Manor CA 6.90 040191032 Rose Elementary AZ 6.80 060850005 San Jose - Jackson St. CA 6.70 060670012 Folsom CA 6.60 060010011 Oakland West CA 6.40 061131003 Woodland CA 6.30 060670010 Sacramento - T Street CA 6.10 060798001 Atascadero CA 6.10 040139812 Durango AZ 5.80 060710005 Lake Gregory - Crestline CA 5.70 060811001 Redwood City CA 5.50 060970003 Santa Rosa - 5th Street CA 5.40 060959999 Rio Vista CA 5.40 060950004 Vallejo - 304 Tuolumne Street CA 5.40 060550003 Napa - Jefferson St CA 5.40 060410003 Point Reyes CA 5.20 060731010 San Diego - Beardsley Street CA 5.20 060670011 Elk Grove CA 4.90 040130019 West Phoenix AZ 4.30 060750005 San Francisco - Arkansas Street CA 4.20 060376012 Santa Clarita CA 4.00 060659001 Lake Elsinore - W. Flint Street CA 4.00 060610002 Auburn CA 3.80 061130004 Davis CA 3.80 060374002 North Long Beach CA 3.70 040191030 Green Valley AZ 3.50 060370016 Glendora - Laurel CA 3.20 061110007 Thousand Oaks - Moorpark Road CA 3.20 060610006 Roseville - N.Sunrise/Douglas CA 3.10 061110009 Piru - Pacific CA 2.90 060731008 Camp Pendleton CA 1.90 060371201 Reseda CA 1.80 000030701 AYLESFORD MOUNTAIN NS 1.70 060010007 Livermore - Rincon CA 1.60 060590007 Anaheim CA 1.60 000065001 Barrie ON 1.50 000062501 Tiverton ON 1.40 000061201 Cornwall ON 1.30 000040103 FREDERICTON NB 1.20 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 1.10 040191113 Geronimo AZ 1.10 000065301 Port Stanley ON 1.10 000061302 St. Catharines ON 1.00 060650012 Banning - South Hathaway Street CA 1.00 000065801 Chatham ON 1.00 000040207 SAINT JOHN WEST NB 0.90 000061402 Brantford ON 0.80 061070009 Sequoia/Kings Canyon - Ash Mountain CA 0.60 000020301 WELLINGTON PE #coincidences 10-30 and Corr > 0.5 6.70 000020401 SOUTHAMPTON PE 1.30 000040209 CASTLE ST. SAINT JO NB Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 708.50 060830011 Santa Barbara CA 376.70 060290014 Bakersfield - 5558 California Ave CA 285.00 010970003 CHICK. AL 199.60 000054401 Saint-Anicet QC 179.00 040130019 West Phoenix AZ 146.00 060431001 Yosemite Village - Visitor Center CA 117.00 061072002 Visalia - N. Church Street CA 77.90 060832004 Lompoc H Street CA 66.80 051390006 El Dorado AR 57.00 060570005 Grass Valley CA 48.60 060731006 Alpine CA 46.10 060250005 Calexico - Ethel Street CA 45.20 060832011 GOLETA CA 41.60 060990005 Modesto - 14th Street CA 29.50 060890007 Anderson CA 29.50 060711004 Upland CA 29.40 061130004 Davis CA 28.20 060410003 Point Reyes CA 24.60 060658001 Riverside - Rubidoux CA 23.70 060792004 Mesa 2 /Nipomo CA 23.50 000054501 L'Assomption QC 23.30 060371002 Burbank - W. Palm Ave CA 22.80 060651003 Riverside - Magnolia CA 20.10 080310025 Denver Animal Shelter - 678 S. Jason St. CO 19.80 060650012 Banning - South Hathaway Street CA 19.70 060370016 Glendora - Laurel CA 19.30 010731005 MCADORY AL 19.20 061112002 Simi Valley - Cochran Street CA 19.00 060371201 Reseda CA 18.80 010731010 LEEDS AL 18.70 000060512 Hamilton Downtown ON 18.50 010732003 WYLAM AL 18.10 060730003 El Cajon - Redwood Ave CA 17.80 080410017 Colorado College CO 17.80 050350005 MARION AR 17.50 060731010 San Diego - Beardsley Street CA 17.20 080770017 Grand Junction - Powell Building CO 17.20 051191008 ADEQ-DSR AR 16.90 010735003 CORNER AL 16.80 060590007 Anaheim CA 16.60 060731002 Escondido CA 16.50 011011002 MONTG AL 16.30 061111004 Ojai - Ojai Ave. CA 16.30 010735002 PINSON AL 15.90 061110009 Piru - Pacific CA 15.70 060376012 Santa Clarita CA 15.70 040139812 Durango AZ 15.40 010732006 HOOVER AL 15.20 010731009 PROVIDENCE AL 15.00 061110007 Thousand Oaks - Moorpark Road CA 14.80 040191113 Geronimo AZ 14.60 000040901 ST ANDREWS NB 14.20 060710005 Lake Gregory - Crestline CA 14.10 060659001 Lake Elsinore - W. Flint Street CA 13.90 051190007 PARR AR 13.80 000065301 Port Stanley ON 13.60 060731008 Camp Pendleton CA 13.60 060374002 North Long Beach CA 13.00 061113001 El Rio - Rio Mesa School #2 CA 12.80 080310002 Denver - CAMP - 2105 Broadway CO 12.80 000060204 Windsor Downtown ON 12.80 000054703 Bécancour (Aréna) QC 12.50 000060903 London ON 12.40 060610006 Roseville - N.Sunrise/Douglas CA 12.40 000065801 Chatham ON 12.30 000061004 Sarnia ON 12.10 060010007 Livermore - Rincon CA 12.10 000090121 Edmonton East AB 12.10 000060303 Kingston ON 11.90 040132001 Glendale Community College AZ 11.80 080130003 Longmont CO 11.80 080010006 Commerce City - 7101 Birch St. CO 11.60 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 11.50 000060424 Toronto Downtown ON 11.20 000065001 Barrie ON 11.00 060610002 Auburn CA 10.80 051430005 SPRNGDLE AR 10.80 040191034 Coachline AZ 10.40 080131001 Boulder - CU - 2102 Athens St. CO 10.40 040191030 Green Valley AZ 10.40 040134010 Dysart AZ 10.30 060410001 San Rafael CA 10.10 080310013 Denver - NJH - 14th Ave. & Albion St. CO 10.10 060950004 Vallejo - 304 Tuolumne Street CA 10.10 060550003 Napa - Jefferson St CA 10.10 000063701 Grand Bend ON 10.10 000061402 Brantford ON 10.00 080350004 Chatfield Park - 11500 N. Roxborough Par CO 10.00 060670011 Elk Grove CA 10.00 000094301 Cold Lake South AB 9.90 061070009 Sequoia/Kings Canyon - Ash Mountain CA 9.90 040134003 South Phoenix AZ 9.90 000061104 Peterborough ON 9.80 060750005 San Francisco - Arkansas Street CA 9.80 040138005 Estrella AZ 9.80 000061302 St. Catharines ON 9.70 060798001 Atascadero CA 9.60 061131003 Woodland CA 9.60 061010003 Yuba City CA 9.60 060959999 Rio Vista CA 9.60 060811001 Redwood City CA 9.60 000062501 Tiverton ON 9.20 080450007 Rifle Particulate CO 8.90 000061502 Kitchener ON 8.80 000065401 Belleville ON 8.70 000090601 Fort Saskatchewan AB 8.70 000060709 Sault Ste Marie ON 8.60 060970003 Santa Rosa - 5th Street CA 8.60 060670006 Sacramento - Del Paso Manor CA 8.60 000090120 Edmonton South AB 8.50 000061201 Cornwall ON 8.50 000041302 BATHURST NB 8.40 060670012 Folsom CA 8.40 040139997 Supersite AZ 8.30 060850005 San Jose - Jackson St. CA 8.30 060074001 Gridley CA 8.20 060850002 Gilory - 9th Street CA 8.10 060010011 Oakland West CA 8.10 000065201 Parry Sound ON 8.00 000051501 Zéphirin QC 7.90 060271023 Bishop Paiute Tribe-CA CA 7.80 060670010 Sacramento - T Street CA 7.80 000090402 Medicine Hat - Crescent Hts AB 7.80 000060609 Sudbury ON 7.70 040139998 Vehicle Emissions Laboratory AZ 7.60 000091901 Caroline AB 7.60 000065701 Morrisburg ON 7.30 000060104 Ottawa ON 7.30 000040302 MONCTON NB 6.80 060530002 Unknown CA 6.70 060690002 Unknown CA 6.70 000091101 Elk Island AB 6.70 000063301 Dorset ON 6.70 000020104 CHARLOTTETOWN PE 6.40 060953002 Vacaville CA 6.40 060870007 Unknown CA 6.10 000020301 WELLINGTON PE 5.50 040191032 Rose Elementary AZ 5.10 000010401 Mount Pearl NF 4.80 000040207 SAINT JOHN WEST NB 4.40 000030701 AYLESFORD MOUNTAIN NS 4.10 000040103 FREDERICTON NB #coincidences 10-30 and Corr > 0.5 39.70 060371103 Los Angeles - N. Main Street CA 38.40 000090222 Calgary Northwest AB 9.60 060210002 Willows - E. Laurel Street CA 8.90 000062001 North Bay ON 7.90 000090502 Lethbridge AB 7.80 000040209 CASTLE ST. SAINT JO NB 5.70 000040801 CANTERBURY NB 2.80 000020401 SOUTHAMPTON PE Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 24.60 000030310 SYDNEY NS 24.30 000020401 SOUTHAMPTON PE 22.90 060731010 San Diego - Beardsley Street CA 19.70 061113001 El Rio - Rio Mesa School #2 CA 19.70 061111004 Ojai - Ojai Ave. CA 19.70 060832011 GOLETA CA 19.70 060832004 Lompoc H Street CA 19.70 060830011 Santa Barbara CA 18.90 060870007 Unknown CA 18.90 060850002 Gilory - 9th Street CA 18.90 060690002 Unknown CA 18.90 060530002 Unknown CA 18.00 000010401 Mount Pearl NF 16.30 000040302 MONCTON NB 16.30 000030701 AYLESFORD MOUNTAIN NS 16.30 000020301 WELLINGTON PE 16.30 000020104 CHARLOTTETOWN PE 15.40 060731006 Alpine CA 15.40 060730003 El Cajon - Redwood Ave CA 15.40 060250005 Calexico - Ethel Street CA 14.00 040191034 Coachline AZ 12.40 000041302 BATHURST NB 12.00 060650012 Banning - South Hathaway Street CA 11.80 061112002 Simi Valley - Cochran Street CA 11.80 061110009 Piru - Pacific CA 11.80 061110007 Thousand Oaks - Moorpark Road CA 11.80 060731008 Camp Pendleton CA 11.80 060731002 Escondido CA 11.80 060711004 Upland CA 11.80 060710005 Lake Gregory - Crestline CA 11.80 060659001 Lake Elsinore - W. Flint Street CA 11.80 060658001 Riverside - Rubidoux CA 11.80 060651003 Riverside - Magnolia CA 11.80 060590007 Anaheim CA 11.80 060376012 Santa Clarita CA 11.80 060374002 North Long Beach CA 11.80 060371201 Reseda CA 11.80 060371103 Los Angeles - N. Main Street CA 11.80 060371002 Burbank - W. Palm Ave CA 11.80 060370016 Glendora - Laurel CA 11.70 061070009 Sequoia/Kings Canyon - Ash Mountain CA 11.70 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 9.50 000040209 CASTLE ST. SAINT JO NB 9.50 000040207 SAINT JOHN WEST NB 9.50 000040203 FOREST HILLS NB 9.50 000040103 FREDERICTON NB 9.00 040139998 Vehicle Emissions Laboratory AZ 9.00 040139997 Supersite AZ 9.00 040139812 Durango AZ 9.00 040138005 Estrella AZ 9.00 040134010 Dysart AZ 9.00 040134003 South Phoenix AZ 9.00 040132001 Glendale Community College AZ 9.00 040130019 West Phoenix AZ 7.90 000040901 ST ANDREWS NB 7.90 000040801 CANTERBURY NB 6.70 051390006 El Dorado AR 6.70 051191008 ADEQ-DSR AR 6.70 051190007 PARR AR 6.30 061072002 Visalia - N. Church Street CA 6.30 060798001 Atascadero CA 6.30 060792004 Mesa 2 /Nipomo CA 6.30 060311004 Hanford - S. Irwin Street CA 6.30 060290014 Bakersfield - 5558 California Ave CA 6.30 060195001 Clovis - N. Villa Ave CA 5.80 010731009 PROVIDENCE AL 5.80 010731005 MCADORY AL 5.50 080350004 Chatfield Park - 11500 N. Roxborough Par CO 5.50 080131001 Boulder - CU - 2102 Athens St. CO 5.50 080130003 Longmont CO 5.40 050350005 MARION AR 5.00 000090601 Fort Saskatchewan AB 5.00 000090130 Edmonton Central AB 5.00 000090121 Edmonton East AB 5.00 000090120 Edmonton South AB 4.60 051430005 SPRNGDLE AR 4.30 040191113 Geronimo AZ 4.30 040191032 Rose Elementary AZ 4.30 040191030 Green Valley AZ 3.90 010735003 CORNER AL 3.90 010735002 PINSON AL 3.90 010732006 HOOVER AL 3.90 010732003 WYLAM AL 3.90 010731010 LEEDS AL 3.80 080770017 Grand Junction - Powell Building CO 3.80 080450007 Rifle Particulate CO 3.70 080310025 Denver Animal Shelter - 678 S. Jason St. CO 3.70 080310013 Denver - NJH - 14th Ave. & Albion St. CO 3.70 080310002 Denver - CAMP - 2105 Broadway CO 3.70 080010006 Commerce City - 7101 Birch St. CO 3.70 010970003 CHICK. AL 3.60 000063701 Grand Bend ON 3.60 000062501 Tiverton ON 3.50 000090402 Medicine Hat - Crescent Hts AB 3.30 061131003 Woodland CA 3.30 061130004 Davis CA 3.30 060970003 Santa Rosa - 5th Street CA 3.30 060959999 Rio Vista CA 3.30 060953002 Vacaville CA 3.30 060950004 Vallejo - 304 Tuolumne Street CA 3.30 060850005 San Jose - Jackson St. CA 3.30 060811001 Redwood City CA 3.30 060750005 San Francisco - Arkansas Street CA 3.30 060670012 Folsom CA 3.30 060670011 Elk Grove CA 3.30 060670010 Sacramento - T Street CA 3.30 060670006 Sacramento - Del Paso Manor CA 3.30 060610006 Roseville - N.Sunrise/Douglas CA 3.30 060610002 Auburn CA 3.30 060550003 Napa - Jefferson St CA 3.30 060410003 Point Reyes CA 3.30 060410001 San Rafael CA 3.30 060010011 Oakland West CA 3.30 060010007 Livermore - Rincon CA 2.80 000091901 Caroline AB 2.80 000091101 Elk Island AB 2.80 000090302 Red Deer AB 2.80 000090222 Calgary Northwest AB 2.60 000061201 Cornwall ON 2.60 000054501 L'Assomption QC 2.60 000054401 Saint-Anicet QC 2.50 011011002 MONTG AL 2.50 000094301 Cold Lake South AB 2.50 000090502 Lethbridge AB 2.50 000054703 Bécancour (Aréna) QC 2.50 000051501 Zéphirin QC 2.10 080410017 Colorado College CO 2.00 060271023 Bishop Paiute Tribe-CA CA 1.90 000065001 Barrie ON 1.90 000061502 Kitchener ON 1.90 000061402 Brantford ON 1.90 000061302 St. Catharines ON 1.90 000060512 Hamilton Downtown ON 1.90 000060424 Toronto Downtown ON 1.70 061010003 Yuba City CA 1.70 060890007 Anderson CA 1.70 060570005 Grass Valley CA 1.70 060210002 Willows - E. Laurel Street CA 1.70 060074001 Gridley CA 1.50 060990006 Turlock - S. Minaret Street CA 1.50 060990005 Modesto - 14th Street CA 1.50 060470003 Merced - S. Coffee Ave CA 1.50 060431001 Yosemite Village - Visitor Center CA 1.40 000060204 Windsor Downtown ON 1.40 000060104 Ottawa ON 1.30 000065801 Chatham ON 1.30 000065301 Port Stanley ON 1.30 000061004 Sarnia ON 1.30 000060903 London ON 1.10 000065701 Morrisburg ON 1.10 000065401 Belleville ON 1.10 000061104 Peterborough ON 1.10 000060303 Kingston ON 0.90 000063301 Dorset ON 0.50 000065201 Parry Sound ON 0.50 000062001 North Bay ON 0.50 000060709 Sault Ste Marie ON 0.50 000060609 Sudbury ON AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)