Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.60 060210002 Willows - E. Laurel Street CA 0.53 000040203 FOREST HILLS NB 0.52 011011002 MONTG AL #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 0.86 060074001 Gridley CA 0.86 011011002 MONTG AL 0.80 050350005 MARION AR 0.77 060210002 Willows - E. Laurel Street CA 0.72 010970003 CHICK. AL 0.66 061010003 Yuba City CA 0.66 000062501 Tiverton ON 0.64 000063701 Grand Bend ON 0.63 060890007 Anderson CA 0.62 051430005 SPRNGDLE AR 0.62 010731009 PROVIDENCE AL 0.62 000060512 Hamilton Downtown ON 0.62 000060424 Toronto Downtown ON 0.60 000040203 FOREST HILLS NB 0.58 010331002 MSHOALS AL 0.51 010731005 MCADORY AL 0.51 000065001 Barrie ON 0.51 000010401 Mount Pearl NF 0.50 000061502 Kitchener ON #coincidences 10-30 and Corr > 0.5 0.85 069999921 EBAM12 - Sac T CA 0.80 060798001 Atascadero CA 0.61 000051501 Zéphirin QC Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 29.60 000020401 SOUTHAMPTON PE 19.40 000030310 SYDNEY NS 10.90 000010401 Mount Pearl NF 8.00 060650012 Banning - South Hathaway Street CA 8.00 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 7.90 000020301 WELLINGTON PE 6.10 000061302 St. Catharines ON 5.90 060659001 Lake Elsinore - W. Flint Street CA 5.80 060731006 Alpine CA 5.10 000061402 Brantford ON 5.10 000060424 Toronto Downtown ON 4.90 000020104 CHARLOTTETOWN PE 4.60 060370016 Glendora - Laurel CA 4.50 000061502 Kitchener ON 3.70 000065301 Port Stanley ON 3.40 040191034 Coachline AZ 3.00 000065001 Barrie ON 2.80 060731002 Escondido CA 2.80 000060204 Windsor Downtown ON 2.80 000040302 MONCTON NB 2.70 000065801 Chatham ON 2.70 000065401 Belleville ON 2.70 000052301 Saint-Faustin QC 2.40 060670011 Elk Grove CA 2.40 000040203 FOREST HILLS NB 2.10 060651003 Riverside - Magnolia CA 2.10 040138005 Estrella AZ 2.00 061113001 El Rio - Rio Mesa School #2 CA 2.00 040134010 Dysart AZ 1.80 000060512 Hamilton Downtown ON 1.50 000040207 SAINT JOHN WEST NB 1.30 000062001 North Bay ON 1.10 080310002 Denver - CAMP - 2105 Broadway CO 1.10 060658001 Riverside - Rubidoux CA 1.00 000062501 Tiverton ON 0.80 000061104 Peterborough ON 0.70 060670012 Folsom CA 0.60 060376012 Santa Clarita CA 0.60 000040901 ST ANDREWS NB #coincidences 10-30 and Corr > 0.5 10.30 000040209 CASTLE ST. SAINT JO NB 7.90 061110007 Thousand Oaks - Moorpark Road CA 7.00 061110009 Piru - Pacific CA 6.90 061111004 Ojai - Ojai Ave. CA 5.50 061112002 Simi Valley - Cochran Street CA 5.20 000060903 London ON 3.10 000030701 AYLESFORD MOUNTAIN NS 1.50 000060609 Sudbury ON Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 13.10 000020401 SOUTHAMPTON PE 12.10 000030310 SYDNEY NS 8.20 000010401 Mount Pearl NF 5.30 000061302 St. Catharines ON 5.10 000065801 Chatham ON 5.10 000065301 Port Stanley ON 4.70 060731010 San Diego - Beardsley Street CA 4.70 000061402 Brantford ON 4.60 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 4.60 000065001 Barrie ON 4.60 000060424 Toronto Downtown ON 4.50 000060512 Hamilton Downtown ON 4.40 000061502 Kitchener ON 4.00 000040302 MONCTON NB 3.70 060370016 Glendora - Laurel CA 3.60 000062501 Tiverton ON 3.50 060659001 Lake Elsinore - W. Flint Street CA 3.10 060731006 Alpine CA 3.10 060731002 Escondido CA 3.00 000060204 Windsor Downtown ON 3.00 000052301 Saint-Faustin QC 3.00 000020301 WELLINGTON PE 2.90 061113001 El Rio - Rio Mesa School #2 CA 2.90 000061201 Cornwall ON 2.80 000065401 Belleville ON 2.60 000061104 Peterborough ON 2.40 060670012 Folsom CA 2.40 040191034 Coachline AZ 2.10 060650012 Banning - South Hathaway Street CA 2.00 000061004 Sarnia ON 1.90 000020104 CHARLOTTETOWN PE 1.70 000040203 FOREST HILLS NB 1.60 060690002 Unknown CA 1.60 060670011 Elk Grove CA 1.60 060658001 Riverside - Rubidoux CA 1.60 060376012 Santa Clarita CA 1.60 040138005 Estrella AZ 1.50 061070009 Sequoia/Kings Canyon - Ash Mountain CA 1.40 000062001 North Bay ON 1.40 000060303 Kingston ON 1.40 000060104 Ottawa ON 1.20 060870007 Unknown CA 1.20 060550003 Napa - Jefferson St CA 1.20 060371103 Los Angeles - N. Main Street CA 1.20 000063701 Grand Bend ON 1.20 000054401 Saint-Anicet QC 1.10 060710005 Lake Gregory - Crestline CA 1.10 040191030 Green Valley AZ 1.10 040134010 Dysart AZ 1.00 080310002 Denver - CAMP - 2105 Broadway CO 1.00 060651003 Riverside - Magnolia CA 0.90 060830011 Santa Barbara CA 0.80 060570005 Grass Valley CA 0.80 010731009 PROVIDENCE AL 0.80 000065701 Morrisburg ON 0.80 000065201 Parry Sound ON 0.80 000040901 ST ANDREWS NB 0.70 000063301 Dorset ON 0.60 060271023 Bishop Paiute Tribe-CA CA 0.50 040139998 Vehicle Emissions Laboratory AZ #coincidences 10-30 and Corr > 0.5 6.00 061111004 Ojai - Ojai Ave. CA 5.50 061110007 Thousand Oaks - Moorpark Road CA 5.50 000030701 AYLESFORD MOUNTAIN NS 5.00 000060903 London ON 4.20 061112002 Simi Valley - Cochran Street CA 4.20 061110009 Piru - Pacific CA 1.70 000060609 Sudbury ON Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 400.30 061130004 Davis CA 210.80 060690002 Unknown CA 193.10 060290014 Bakersfield - 5558 California Ave CA 145.40 060670010 Sacramento - T Street CA 143.90 060953002 Vacaville CA 132.60 060832004 Lompoc H Street CA 102.50 060070002 Chico - Manzanita CA 58.40 060190008 Fresno - 1st Street CA 51.10 060830011 Santa Barbara CA 44.30 060074001 Gridley CA 41.50 060990005 Modesto - 14th Street CA 41.40 060792004 Mesa 2 /Nipomo CA 40.10 060310004 Corcoran CA 39.30 061072002 Visalia - N. Church Street CA 36.30 061070009 Sequoia/Kings Canyon - Ash Mountain CA 34.60 080770017 Grand Junction - Powell Building CO 29.60 060431001 Yosemite Village - Visitor Center CA 24.80 060639901 Quincy BAM CA 24.10 060890007 Anderson CA 21.10 010730023 NO. BHAM AL 20.80 010970003 CHICK. AL 20.70 060610006 Roseville - N.Sunrise/Douglas CA 20.60 040130019 West Phoenix AZ 20.50 061131003 Woodland CA 20.50 060670006 Sacramento - Del Paso Manor CA 19.80 011011002 MONTG AL 18.80 010732003 WYLAM AL 18.60 051191008 ADEQ-DSR AR 17.90 051390006 El Dorado AR 17.80 061010003 Yuba City CA 17.80 000090302 Red Deer AB 17.00 051190007 PARR AR 16.60 060371002 Burbank - W. Palm Ave CA 16.60 060210002 Willows - E. Laurel Street CA 16.50 060675003 Sloughhouse CA 16.40 060250005 Calexico - Ethel Street CA 15.50 060374002 North Long Beach CA 15.50 010731010 LEEDS AL 15.40 060710005 Lake Gregory - Crestline CA 15.40 040139812 Durango AZ 15.20 060371201 Reseda CA 15.10 060711004 Upland CA 15.10 060590007 Anaheim CA 15.10 060012004 Berkeley CA 15.10 000054501 L'Assomption QC 15.00 000061004 Sarnia ON 14.80 060371103 Los Angeles - N. Main Street CA 14.80 010731005 MCADORY AL 14.60 010732006 HOOVER AL 14.50 060010011 Oakland West CA 14.40 060410003 Point Reyes CA 14.30 040134003 South Phoenix AZ 14.20 060959999 Rio Vista CA 14.20 060571001 Truckee BAM CA 14.20 010331002 MSHOALS AL 14.10 010735003 CORNER AL 13.80 000050801 Ursulines QC 13.50 060650012 Banning - South Hathaway Street CA 13.30 060731010 San Diego - Beardsley Street CA 13.30 060376012 Santa Clarita CA 13.30 000054703 Bécancour (Aréna) QC 13.20 060731008 Camp Pendleton CA 13.10 000090121 Edmonton East AB 12.90 000060512 Hamilton Downtown ON 12.80 060730003 El Cajon - Redwood Ave CA 12.70 060658001 Riverside - Rubidoux CA 12.70 010731009 PROVIDENCE AL 12.40 060850005 San Jose - Jackson St. CA 12.20 060550003 Napa - Jefferson St CA 12.00 050350005 MARION AR 12.00 000090120 Edmonton South AB 11.90 010735002 PINSON AL 11.80 040191113 Geronimo AZ 11.80 000090218 Calgary East AB 11.70 000065001 Barrie ON 11.50 080310013 Denver - NJH - 14th Ave. & Albion St. CO 11.30 060651003 Riverside - Magnolia CA 10.90 080010006 Commerce City - 7101 Birch St. CO 10.90 000060204 Windsor Downtown ON 10.80 060731002 Escondido CA 10.60 080310025 Denver Animal Shelter - 678 S. Jason St. CO 10.50 000061502 Kitchener ON 10.40 000094301 Cold Lake South AB 10.20 061113001 El Rio - Rio Mesa School #2 CA 10.10 000061201 Cornwall ON 10.00 060870007 Unknown CA 10.00 051430005 SPRNGDLE AR 9.80 000090502 Lethbridge AB 9.60 000090130 Edmonton Central AB 9.60 000065801 Chatham ON 9.60 000060424 Toronto Downtown ON 9.50 060670012 Folsom CA 9.50 000054401 Saint-Anicet QC 9.50 000020104 CHARLOTTETOWN PE 9.40 000090601 Fort Saskatchewan AB 9.30 000041302 BATHURST NB 9.20 060670011 Elk Grove CA 9.20 000061402 Brantford ON 9.00 000040302 MONCTON NB 8.90 080410017 Colorado College CO 8.90 040139998 Vehicle Emissions Laboratory AZ 8.90 000063701 Grand Bend ON 8.80 060370016 Glendora - Laurel CA 8.80 000061302 St. Catharines ON 8.60 000090222 Calgary Northwest AB 8.50 000030310 SYDNEY NS 8.20 060731006 Alpine CA 8.20 000060104 Ottawa ON 8.10 000061104 Peterborough ON 8.00 000040207 SAINT JOHN WEST NB 7.80 040191032 Rose Elementary AZ 7.80 000065701 Morrisburg ON 7.80 000065301 Port Stanley ON 7.80 000040203 FOREST HILLS NB 7.40 000065201 Parry Sound ON 7.20 080131001 Boulder - CU - 2102 Athens St. CO 7.00 060271023 Bishop Paiute Tribe-CA CA 6.90 080130003 Longmont CO 6.80 000062501 Tiverton ON 6.60 060659001 Lake Elsinore - W. Flint Street CA 6.60 000020301 WELLINGTON PE 6.50 040191034 Coachline AZ 6.50 040134010 Dysart AZ 6.40 040138005 Estrella AZ 6.40 000060303 Kingston ON 6.20 060570005 Grass Valley CA 6.10 000065401 Belleville ON 6.10 000052301 Saint-Faustin QC 6.00 000062001 North Bay ON 5.30 000063301 Dorset ON 5.10 000010401 Mount Pearl NF 4.90 040191030 Green Valley AZ 4.50 000040901 ST ANDREWS NB 4.40 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 4.40 000020401 SOUTHAMPTON PE 4.10 080310002 Denver - CAMP - 2105 Broadway CO #coincidences 10-30 and Corr > 0.5 44.20 060771002 Stockton - Hazelton Street CA 34.10 060870003 Unknown CA 27.30 060679991 Rancho Seco CA 18.60 000040801 CANTERBURY NB 14.00 060831008 Santa Maria - Broadway CA 13.60 060072001 Paradise - Birch Street CA 13.40 060798001 Atascadero CA 13.00 060090001 San Andreas CA 10.90 069999921 EBAM12 - Sac T CA 10.30 000051501 Zéphirin QC 9.80 000040103 FREDERICTON NB 7.20 061112002 Simi Valley - Cochran Street CA 6.60 061110009 Piru - Pacific CA 6.40 080350004 Chatfield Park - 11500 N. Roxborough Par CO 6.20 061110007 Thousand Oaks - Moorpark Road CA 6.10 000030701 AYLESFORD MOUNTAIN NS 6.00 000060609 Sudbury ON 5.70 000091101 Elk Island AB 5.70 000060709 Sault Ste Marie ON 5.50 061111004 Ojai - Ojai Ave. CA 4.80 000060903 London ON 4.60 000040209 CASTLE ST. SAINT JO NB Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 24.50 050350005 MARION AR 23.40 011011002 MONTG AL 21.30 061113001 El Rio - Rio Mesa School #2 CA 21.30 061111004 Ojai - Ojai Ave. CA 21.30 060832004 Lompoc H Street CA 21.30 060831008 Santa Maria - Broadway CA 21.30 060830011 Santa Barbara CA 20.40 010731009 PROVIDENCE AL 20.40 010731005 MCADORY AL 20.40 010331002 MSHOALS AL 17.90 060731010 San Diego - Beardsley Street CA 15.60 010735003 CORNER AL 15.60 010735002 PINSON AL 15.60 010732006 HOOVER AL 15.60 010732003 WYLAM AL 15.60 010731010 LEEDS AL 15.60 010730023 NO. BHAM AL 13.20 000020401 SOUTHAMPTON PE 12.90 010970003 CHICK. AL 11.80 051390006 El Dorado AR 11.80 051191008 ADEQ-DSR AR 11.80 051190007 PARR AR 11.00 000040901 ST ANDREWS NB 11.00 000040801 CANTERBURY NB 10.50 060870007 Unknown CA 10.50 060690002 Unknown CA 10.40 060650012 Banning - South Hathaway Street CA 9.90 000040209 CASTLE ST. SAINT JO NB 9.90 000040207 SAINT JOHN WEST NB 9.90 000040203 FOREST HILLS NB 9.90 000040103 FREDERICTON NB 9.60 060731006 Alpine CA 9.60 060730003 El Cajon - Redwood Ave CA 9.60 060250005 Calexico - Ethel Street CA 9.50 000060204 Windsor Downtown ON 9.50 000040302 MONCTON NB 9.50 000030701 AYLESFORD MOUNTAIN NS 9.50 000020301 WELLINGTON PE 9.50 000020104 CHARLOTTETOWN PE 9.30 000065801 Chatham ON 9.30 000065301 Port Stanley ON 9.30 000061004 Sarnia ON 9.30 000060903 London ON 9.00 000030310 SYDNEY NS 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 8.60 061072002 Visalia - N. Church Street CA 8.60 060798001 Atascadero CA 8.60 060792004 Mesa 2 /Nipomo CA 8.60 060310004 Corcoran CA 8.60 060290014 Bakersfield - 5558 California Ave CA 8.60 060190008 Fresno - 1st Street CA 8.20 061070009 Sequoia/Kings Canyon - Ash Mountain CA 8.20 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 7.20 000065001 Barrie ON 7.20 000061502 Kitchener ON 7.20 000061402 Brantford ON 7.20 000061302 St. Catharines ON 7.20 000060512 Hamilton Downtown ON 7.20 000060424 Toronto Downtown ON 6.80 000010401 Mount Pearl NF 6.70 000063701 Grand Bend ON 6.70 000062501 Tiverton ON 6.30 000060709 Sault Ste Marie ON 5.80 060771002 Stockton - Hazelton Street CA 5.80 069999921 EBAM12 - Sac T CA 5.80 061131003 Woodland CA 5.80 061130004 Davis CA 5.80 060959999 Rio Vista CA 5.80 060953002 Vacaville CA 5.80 060870003 Unknown CA 5.80 060850005 San Jose - Jackson St. CA 5.80 060679991 Rancho Seco CA 5.80 060675003 Sloughhouse CA 5.80 060670012 Folsom CA 5.80 060670011 Elk Grove CA 5.80 060670010 Sacramento - T Street CA 5.80 060670006 Sacramento - Del Paso Manor CA 5.80 060610006 Roseville - N.Sunrise/Douglas CA 5.80 060550003 Napa - Jefferson St CA 5.80 060410003 Point Reyes CA 5.80 060012004 Berkeley CA 5.80 060010011 Oakland West CA 5.40 000065401 Belleville ON 5.40 000061104 Peterborough ON 5.20 051430005 SPRNGDLE AR 5.10 000065201 Parry Sound ON 5.10 000062001 North Bay ON 5.10 000060609 Sudbury ON 4.70 040139998 Vehicle Emissions Laboratory AZ 4.70 040139812 Durango AZ 4.70 040138005 Estrella AZ 4.70 040134010 Dysart AZ 4.70 040134003 South Phoenix AZ 4.70 040130019 West Phoenix AZ 4.50 040191034 Coachline AZ 4.50 000054703 Bécancour (Aréna) QC 4.50 000051501 Zéphirin QC 4.50 000050801 Ursulines QC 4.40 000041302 BATHURST NB 4.30 000061201 Cornwall ON 4.30 000054501 L'Assomption QC 4.30 000054401 Saint-Anicet QC 4.30 000052301 Saint-Faustin QC 4.00 060271023 Bishop Paiute Tribe-CA CA 4.00 000065701 Morrisburg ON 4.00 000060303 Kingston ON 3.60 061010003 Yuba City CA 3.60 060890007 Anderson CA 3.60 060570005 Grass Valley CA 3.60 060210002 Willows - E. Laurel Street CA 3.60 060074001 Gridley CA 3.60 060072001 Paradise - Birch Street CA 3.60 060070002 Chico - Manzanita CA 3.30 060090001 San Andreas CA 3.30 060990005 Modesto - 14th Street CA 3.30 060431001 Yosemite Village - Visitor Center CA 2.50 000060104 Ottawa ON 2.30 000063301 Dorset ON 2.10 080770017 Grand Junction - Powell Building CO 2.10 040191113 Geronimo AZ 2.10 040191032 Rose Elementary AZ 2.10 040191030 Green Valley AZ 1.90 060639901 Quincy BAM CA 1.90 060571001 Truckee BAM CA 1.80 080350004 Chatfield Park - 11500 N. Roxborough Par CO 1.80 080131001 Boulder - CU - 2102 Athens St. CO 1.80 080130003 Longmont CO 1.70 080310025 Denver Animal Shelter - 678 S. Jason St. CO 1.70 080310013 Denver - NJH - 14th Ave. & Albion St. CO 1.70 080310002 Denver - CAMP - 2105 Broadway CO 1.70 080010006 Commerce City - 7101 Birch St. CO 1.40 080410017 Colorado College CO 1.40 000091901 Caroline AB 1.40 000090502 Lethbridge AB 1.40 000090302 Red Deer AB 1.40 000090222 Calgary Northwest AB 1.40 000090218 Calgary East AB 1.30 000090601 Fort Saskatchewan AB 1.30 000090130 Edmonton Central AB 1.30 000090121 Edmonton East AB 1.30 000090120 Edmonton South AB 1.00 000094301 Cold Lake South AB 0.70 000091101 Elk Island AB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)