Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.69 000065201 Parry Sound ON 0.62 000062001 North Bay ON 0.58 000063301 Dorset ON 0.57 000060609 Sudbury ON 0.54 040139998 Vehicle Emissions Laboratory AZ 0.54 040138005 Estrella AZ 0.52 051430005 SPRNGDLE AR 0.51 051190007 PARR AR 0.51 040132001 Glendale Community College AZ #coincidences 10-30 and Corr > 0.5 0.63 060639901 Quincy BAM CA 0.53 060631007 Chester BAM CA Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences >30 and Corr > 0.5 0.82 000065201 Parry Sound ON 0.81 000062001 North Bay ON 0.79 051430005 SPRNGDLE AR 0.79 040132001 Glendale Community College AZ 0.75 040191030 Green Valley AZ 0.73 000063301 Dorset ON 0.72 000060609 Sudbury ON 0.70 040138005 Estrella AZ 0.69 080450007 Rifle Particulate CO 0.68 051190007 PARR AR 0.67 050350005 MARION AR 0.67 000060303 Kingston ON 0.63 040139997 Supersite AZ 0.62 040191032 Rose Elementary AZ 0.60 040191113 Geronimo AZ 0.60 040139998 Vehicle Emissions Laboratory AZ 0.60 040134010 Dysart AZ 0.58 000061104 Peterborough ON 0.56 080131001 Boulder - CU - 2102 Athens St. CO 0.54 000065401 Belleville ON 0.53 080350004 Chatfield Park - 11500 N. Roxborough Par CO 0.52 060832011 GOLETA CA 0.52 060570005 Grass Valley CA 0.51 080310013 Denver - NJH - 14th Ave. & Albion St. CO 0.51 080130003 Longmont CO 0.51 000061302 St. Catharines ON 0.50 080010006 Commerce City - 7101 Birch St. CO 0.50 000060512 Hamilton Downtown ON #coincidences 10-30 and Corr > 0.5 0.62 060990006 Turlock - S. Minaret Street CA Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 19.90 060870007 Unknown CA 19.90 060690002 Unknown CA 18.50 040139998 Vehicle Emissions Laboratory AZ 18.40 060530002 Unknown CA 18.00 040191034 Coachline AZ 16.70 040139997 Supersite AZ 16.40 040134010 Dysart AZ 16.30 040138005 Estrella AZ 16.10 060832004 Lompoc H Street CA 16.00 040134003 South Phoenix AZ 15.20 000010401 Mount Pearl NF 14.80 060850002 Gilory - 9th Street CA 14.20 040132001 Glendale Community College AZ 13.00 061113001 El Rio - Rio Mesa School #2 CA 11.40 040191032 Rose Elementary AZ 10.30 040139812 Durango AZ 9.50 061111004 Ojai - Ojai Ave. CA 6.90 060953002 Vacaville CA 6.80 060850005 San Jose - Jackson St. CA 6.60 060731010 San Diego - Beardsley Street CA 6.60 060670012 Folsom CA 6.40 060710005 Lake Gregory - Crestline CA 6.40 060410001 San Rafael CA 6.20 060970003 Santa Rosa - 5th Street CA 5.70 060670010 Sacramento - T Street CA 5.60 060670006 Sacramento - Del Paso Manor CA 5.50 060959999 Rio Vista CA 5.50 040191030 Green Valley AZ 5.40 060010011 Oakland West CA 5.10 060731008 Camp Pendleton CA 5.00 060950004 Vallejo - 304 Tuolumne Street CA 4.90 060750005 San Francisco - Arkansas Street CA 4.80 060550003 Napa - Jefferson St CA 4.70 060670011 Elk Grove CA 4.50 060374002 North Long Beach CA 4.00 060811001 Redwood City CA 4.00 060659001 Lake Elsinore - W. Flint Street CA 3.90 060610002 Auburn CA 3.70 061110007 Thousand Oaks - Moorpark Road CA 3.70 060376012 Santa Clarita CA 3.30 061110009 Piru - Pacific CA 3.20 061131003 Woodland CA 3.00 060798001 Atascadero CA 2.80 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 2.50 061070009 Sequoia/Kings Canyon - Ash Mountain CA 2.00 060610006 Roseville - N.Sunrise/Douglas CA 1.90 060370016 Glendora - Laurel CA 1.70 060650012 Banning - South Hathaway Street CA 1.30 040191113 Geronimo AZ 1.20 000062501 Tiverton ON 0.90 060590007 Anaheim CA 0.90 000040103 FREDERICTON NB 0.70 060010007 Livermore - Rincon CA 0.60 000040207 SAINT JOHN WEST NB 0.50 060371201 Reseda CA #coincidences 10-30 and Corr > 0.5 5.20 000020401 SOUTHAMPTON PE Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 18.10 060870007 Unknown CA 17.70 060690002 Unknown CA 17.30 060832004 Lompoc H Street CA 16.50 060530002 Unknown CA 14.60 061113001 El Rio - Rio Mesa School #2 CA 13.00 060832011 GOLETA CA 12.30 060850002 Gilory - 9th Street CA 11.90 061111004 Ojai - Ojai Ave. CA 11.80 040191034 Coachline AZ 10.00 040139998 Vehicle Emissions Laboratory AZ 9.50 040134010 Dysart AZ 9.40 040139997 Supersite AZ 8.70 040138005 Estrella AZ 8.70 000010401 Mount Pearl NF 8.60 040134003 South Phoenix AZ 8.50 040132001 Glendale Community College AZ 6.90 040139812 Durango AZ 6.80 060410001 San Rafael CA 6.80 040191032 Rose Elementary AZ 6.60 060953002 Vacaville CA 6.20 060670006 Sacramento - Del Paso Manor CA 5.80 060710005 Lake Gregory - Crestline CA 5.70 061131003 Woodland CA 5.70 060670010 Sacramento - T Street CA 5.60 060010011 Oakland West CA 5.50 060670012 Folsom CA 5.40 060970003 Santa Rosa - 5th Street CA 5.40 060850005 San Jose - Jackson St. CA 5.40 060731010 San Diego - Beardsley Street CA 5.40 040130019 West Phoenix AZ 5.20 060410003 Point Reyes CA 5.10 060811001 Redwood City CA 5.10 060798001 Atascadero CA 4.60 060550003 Napa - Jefferson St CA 4.50 060959999 Rio Vista CA 4.30 060376012 Santa Clarita CA 4.20 060610002 Auburn CA 4.00 060950004 Vallejo - 304 Tuolumne Street CA 4.00 060670011 Elk Grove CA 4.00 060370016 Glendora - Laurel CA 4.00 040191030 Green Valley AZ 3.60 061130004 Davis CA 3.60 060750005 San Francisco - Arkansas Street CA 3.20 060659001 Lake Elsinore - W. Flint Street CA 3.10 061110009 Piru - Pacific CA 2.50 060610006 Roseville - N.Sunrise/Douglas CA 2.50 060374002 North Long Beach CA 2.30 061110007 Thousand Oaks - Moorpark Road CA 2.20 060010007 Livermore - Rincon CA 1.50 040191113 Geronimo AZ 1.50 000062501 Tiverton ON 1.40 060371201 Reseda CA 1.40 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 1.30 060731008 Camp Pendleton CA 1.10 000061201 Cornwall ON 0.90 000065301 Port Stanley ON 0.90 000065001 Barrie ON 0.60 000061302 St. Catharines ON 0.60 000030701 AYLESFORD MOUNTAIN NS #coincidences 10-30 and Corr > 0.5 3.80 000020401 SOUTHAMPTON PE Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 691.50 060830011 Santa Barbara CA 217.20 010970003 CHICK. AL 185.90 040130019 West Phoenix AZ 164.40 060290014 Bakersfield - 5558 California Ave CA 110.70 061072002 Visalia - N. Church Street CA 110.00 000054401 Saint-Anicet QC 106.50 060431001 Yosemite Village - Visitor Center CA 49.40 060570005 Grass Valley CA 47.00 060832011 GOLETA CA 45.60 060250005 Calexico - Ethel Street CA 42.90 060990005 Modesto - 14th Street CA 34.60 051390006 El Dorado AR 33.60 060711004 Upland CA 32.40 060890007 Anderson CA 30.80 061130004 Davis CA 30.10 060410003 Point Reyes CA 27.00 060792004 Mesa 2 /Nipomo CA 26.60 000054501 L'Assomption QC 26.20 060658001 Riverside - Rubidoux CA 24.60 060371002 Burbank - W. Palm Ave CA 24.10 060651003 Riverside - Magnolia CA 23.00 000060512 Hamilton Downtown ON 20.90 060650012 Banning - South Hathaway Street CA 20.80 010731005 MCADORY AL 20.50 060731010 San Diego - Beardsley Street CA 20.20 010732003 WYLAM AL 20.10 080410017 Colorado College CO 20.00 061112002 Simi Valley - Cochran Street CA 19.80 060731006 Alpine CA 19.80 060730003 El Cajon - Redwood Ave CA 19.80 060371201 Reseda CA 19.70 010731010 LEEDS AL 19.50 080310025 Denver Animal Shelter - 678 S. Jason St. CO 19.30 060731002 Escondido CA 19.20 060370016 Glendora - Laurel CA 18.90 060590007 Anaheim CA 18.30 051191008 ADEQ-DSR AR 17.90 011011002 MONTG AL 17.70 061111004 Ojai - Ojai Ave. CA 17.60 010735003 CORNER AL 17.40 050350005 MARION AR 17.20 080770017 Grand Junction - Powell Building CO 17.00 010735002 PINSON AL 16.50 061110009 Piru - Pacific CA 16.40 040139812 Durango AZ 16.30 010731009 PROVIDENCE AL 16.20 061110007 Thousand Oaks - Moorpark Road CA 16.20 060376012 Santa Clarita CA 16.20 000065001 Barrie ON 15.80 060659001 Lake Elsinore - W. Flint Street CA 15.80 000060903 London ON 15.70 010732006 HOOVER AL 15.70 000054703 Bécancour (Aréna) QC 15.30 060374002 North Long Beach CA 15.20 000061402 Brantford ON 15.10 000060204 Windsor Downtown ON 14.90 000061004 Sarnia ON 14.80 060731008 Camp Pendleton CA 14.40 051190007 PARR AR 14.30 040191113 Geronimo AZ 14.20 061113001 El Rio - Rio Mesa School #2 CA 14.20 000065801 Chatham ON 14.20 000065301 Port Stanley ON 14.20 000040901 ST ANDREWS NB 13.60 000060303 Kingston ON 13.50 000060424 Toronto Downtown ON 13.40 060710005 Lake Gregory - Crestline CA 13.40 000061502 Kitchener ON 13.30 060610006 Roseville - N.Sunrise/Douglas CA 13.10 080130003 Longmont CO 12.70 080310002 Denver - CAMP - 2105 Broadway CO 12.70 000061302 St. Catharines ON 12.50 060010007 Livermore - Rincon CA 12.50 040132001 Glendale Community College AZ 12.10 000063701 Grand Bend ON 12.10 000061104 Peterborough ON 11.60 061010003 Yuba City CA 11.50 080010006 Commerce City - 7101 Birch St. CO 11.50 000090121 Edmonton East AB 11.40 060550003 Napa - Jefferson St CA 11.30 000062501 Tiverton ON 11.20 060750005 San Francisco - Arkansas Street CA 11.20 060410001 San Rafael CA 11.20 051430005 SPRNGDLE AR 11.10 060832004 Lompoc H Street CA 11.10 060798001 Atascadero CA 11.00 061070009 Sequoia/Kings Canyon - Ash Mountain CA 11.00 060950004 Vallejo - 304 Tuolumne Street CA 11.00 060811001 Redwood City CA 10.90 060610002 Auburn CA 10.80 080131001 Boulder - CU - 2102 Athens St. CO 10.80 060670011 Elk Grove CA 10.70 061131003 Woodland CA 10.70 040134003 South Phoenix AZ 10.60 040191034 Coachline AZ 10.50 060850002 Gilory - 9th Street CA 10.40 080310013 Denver - NJH - 14th Ave. & Albion St. CO 10.40 060210002 Willows - E. Laurel Street CA 10.40 040138005 Estrella AZ 10.30 000065401 Belleville ON 10.10 040191030 Green Valley AZ 10.10 040134010 Dysart AZ 10.10 000065201 Parry Sound ON 10.10 000060709 Sault Ste Marie ON 9.80 080350004 Chatfield Park - 11500 N. Roxborough Par CO 9.80 040139997 Supersite AZ 9.70 060959999 Rio Vista CA 9.60 000062001 North Bay ON 9.50 060850005 San Jose - Jackson St. CA 9.40 000060609 Sudbury ON 9.30 000051501 Zéphirin QC 9.20 000090120 Edmonton South AB 9.10 060970003 Santa Rosa - 5th Street CA 9.10 060670010 Sacramento - T Street CA 9.00 060670006 Sacramento - Del Paso Manor CA 9.00 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 9.00 060074001 Gridley CA 9.00 060010011 Oakland West CA 9.00 000094301 Cold Lake South AB 9.00 000061201 Cornwall ON 8.90 060670012 Folsom CA 8.70 080450007 Rifle Particulate CO 8.70 000065701 Morrisburg ON 8.60 000041302 BATHURST NB 8.50 000060104 Ottawa ON 8.40 000063301 Dorset ON 8.30 000090601 Fort Saskatchewan AB 8.20 040139998 Vehicle Emissions Laboratory AZ 8.20 000091901 Caroline AB 8.10 060690002 Unknown CA 8.10 000090402 Medicine Hat - Crescent Hts AB 7.90 060530002 Unknown CA 7.90 060271023 Bishop Paiute Tribe-CA CA 7.80 060870007 Unknown CA 7.60 060953002 Vacaville CA 7.60 000040302 MONCTON NB 7.00 000020104 CHARLOTTETOWN PE 6.70 000091101 Elk Island AB 6.30 000020301 WELLINGTON PE 5.50 000010401 Mount Pearl NF 5.30 040191032 Rose Elementary AZ 5.30 000040207 SAINT JOHN WEST NB 4.90 000040103 FREDERICTON NB 4.70 000030701 AYLESFORD MOUNTAIN NS #coincidences 10-30 and Corr > 0.5 131.60 060990006 Turlock - S. Minaret Street CA 45.30 060371103 Los Angeles - N. Main Street CA 12.70 060070002 Chico - Manzanita CA 12.70 000090222 Calgary Northwest AB 10.30 000040209 CASTLE ST. SAINT JO NB 8.20 000090502 Lethbridge AB 7.60 000040203 FOREST HILLS NB 6.50 000040801 CANTERBURY NB 5.70 000090130 Edmonton Central AB 3.30 000020401 SOUTHAMPTON PE Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 58.40 000010401 Mount Pearl NF 29.40 000020401 SOUTHAMPTON PE 23.20 060731010 San Diego - Beardsley Street CA 19.50 000030310 SYDNEY NS 14.60 000040302 MONCTON NB 14.60 000030701 AYLESFORD MOUNTAIN NS 14.60 000020301 WELLINGTON PE 14.60 000020104 CHARLOTTETOWN PE 14.50 000041302 BATHURST NB 14.40 040191034 Coachline AZ 14.00 051390006 El Dorado AR 14.00 051191008 ADEQ-DSR AR 14.00 051190007 PARR AR 13.90 061113001 El Rio - Rio Mesa School #2 CA 13.90 061111004 Ojai - Ojai Ave. CA 13.90 060832011 GOLETA CA 13.90 060832004 Lompoc H Street CA 13.90 060830011 Santa Barbara CA 12.70 060870007 Unknown CA 12.70 060850002 Gilory - 9th Street CA 12.70 060690002 Unknown CA 12.70 060530002 Unknown CA 12.40 060731006 Alpine CA 12.40 060730003 El Cajon - Redwood Ave CA 12.40 060250005 Calexico - Ethel Street CA 11.10 000040209 CASTLE ST. SAINT JO NB 11.10 000040207 SAINT JOHN WEST NB 11.10 000040203 FOREST HILLS NB 11.10 000040103 FREDERICTON NB 10.70 000040901 ST ANDREWS NB 10.70 000040801 CANTERBURY NB 10.50 040191113 Geronimo AZ 10.50 040191032 Rose Elementary AZ 10.50 040191030 Green Valley AZ 10.40 040139998 Vehicle Emissions Laboratory AZ 10.40 040139997 Supersite AZ 10.40 040139812 Durango AZ 10.40 040138005 Estrella AZ 10.40 040134010 Dysart AZ 10.40 040134003 South Phoenix AZ 10.40 040132001 Glendale Community College AZ 10.40 040130019 West Phoenix AZ 9.20 000065701 Morrisburg ON 9.20 000060303 Kingston ON 8.50 061112002 Simi Valley - Cochran Street CA 8.50 061110009 Piru - Pacific CA 8.50 061110007 Thousand Oaks - Moorpark Road CA 8.50 060731008 Camp Pendleton CA 8.50 060731002 Escondido CA 8.50 060711004 Upland CA 8.50 060710005 Lake Gregory - Crestline CA 8.50 060659001 Lake Elsinore - W. Flint Street CA 8.50 060658001 Riverside - Rubidoux CA 8.50 060651003 Riverside - Magnolia CA 8.50 060590007 Anaheim CA 8.50 060376012 Santa Clarita CA 8.50 060374002 North Long Beach CA 8.50 060371201 Reseda CA 8.50 060371103 Los Angeles - N. Main Street CA 8.50 060371002 Burbank - W. Palm Ave CA 8.50 060370016 Glendora - Laurel CA 8.30 060650012 Banning - South Hathaway Street CA 8.10 051430005 SPRNGDLE AR 7.90 000061201 Cornwall ON 7.90 000054501 L'Assomption QC 7.90 000054401 Saint-Anicet QC 7.20 000060104 Ottawa ON 7.10 061131003 Woodland CA 7.10 061130004 Davis CA 7.10 060970003 Santa Rosa - 5th Street CA 7.10 060959999 Rio Vista CA 7.10 060953002 Vacaville CA 7.10 060950004 Vallejo - 304 Tuolumne Street CA 7.10 060850005 San Jose - Jackson St. CA 7.10 060811001 Redwood City CA 7.10 060750005 San Francisco - Arkansas Street CA 7.10 060670012 Folsom CA 7.10 060670011 Elk Grove CA 7.10 060670010 Sacramento - T Street CA 7.10 060670006 Sacramento - Del Paso Manor CA 7.10 060610006 Roseville - N.Sunrise/Douglas CA 7.10 060610002 Auburn CA 7.10 060550003 Napa - Jefferson St CA 7.10 060410003 Point Reyes CA 7.10 060410001 San Rafael CA 7.10 060010011 Oakland West CA 7.10 060010007 Livermore - Rincon CA 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 5.90 000054703 Bécancour (Aréna) QC 5.90 000051501 Zéphirin QC 5.60 061010003 Yuba City CA 5.60 060890007 Anderson CA 5.60 060631007 Chester BAM CA 5.60 060570005 Grass Valley CA 5.60 060210002 Willows - E. Laurel Street CA 5.60 060074001 Gridley CA 5.60 060070002 Chico - Manzanita CA 5.50 000063301 Dorset ON 5.30 000065001 Barrie ON 5.30 000061502 Kitchener ON 5.30 000061402 Brantford ON 5.30 000061302 St. Catharines ON 5.30 000060512 Hamilton Downtown ON 5.30 000060424 Toronto Downtown ON 4.90 000065801 Chatham ON 4.90 000065301 Port Stanley ON 4.90 000061004 Sarnia ON 4.90 000060903 London ON 4.80 080770017 Grand Junction - Powell Building CO 4.80 080450007 Rifle Particulate CO 4.70 000065401 Belleville ON 4.70 000061104 Peterborough ON 4.30 050350005 MARION AR 3.90 000065201 Parry Sound ON 3.90 000063701 Grand Bend ON 3.90 000062501 Tiverton ON 3.90 000062001 North Bay ON 3.90 000060609 Sudbury ON 3.30 010970003 CHICK. AL 3.20 060990006 Turlock - S. Minaret Street CA 3.20 060990005 Modesto - 14th Street CA 3.20 060470003 Merced - S. Coffee Ave CA 3.20 060431001 Yosemite Village - Visitor Center CA 3.10 061070009 Sequoia/Kings Canyon - Ash Mountain CA 3.10 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 3.10 000060204 Windsor Downtown ON 2.90 010731009 PROVIDENCE AL 2.90 010731005 MCADORY AL 2.80 011011002 MONTG AL 2.50 000091901 Caroline AB 2.50 000090601 Fort Saskatchewan AB 2.50 000090302 Red Deer AB 2.50 000090222 Calgary Northwest AB 2.50 000090130 Edmonton Central AB 2.50 000090121 Edmonton East AB 2.50 000090120 Edmonton South AB 2.20 000091101 Elk Island AB 2.10 010735003 CORNER AL 2.10 010735002 PINSON AL 2.10 010732006 HOOVER AL 2.10 010732003 WYLAM AL 2.10 010731010 LEEDS AL 2.00 000094301 Cold Lake South AB 2.00 000090502 Lethbridge AB 1.90 060639901 Quincy BAM CA 1.90 060571001 Truckee BAM CA 1.80 000090402 Medicine Hat - Crescent Hts AB 1.70 060271023 Bishop Paiute Tribe-CA CA 1.50 080410017 Colorado College CO 1.40 080350004 Chatfield Park - 11500 N. Roxborough Par CO 1.40 080131001 Boulder - CU - 2102 Athens St. CO 1.40 080130003 Longmont CO 1.20 080310025 Denver Animal Shelter - 678 S. Jason St. CO 1.20 080310013 Denver - NJH - 14th Ave. & Albion St. CO 1.20 080310002 Denver - CAMP - 2105 Broadway CO 1.20 080010006 Commerce City - 7101 Birch St. CO 0.90 000060709 Sault Ste Marie ON AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)