Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences 10-30 and Corr > 0.5 0.78 000062001 North Bay ON 0.75 000061104 Peterborough ON 0.72 000090130 Edmonton Central AB 0.72 000054501 L'Assomption QC 0.71 000065201 Parry Sound ON 0.70 000090120 Edmonton South AB 0.70 000060104 Ottawa ON 0.68 000090121 Edmonton East AB 0.68 000065001 Barrie ON 0.68 000052301 Saint-Faustin QC 0.67 000090601 Fort Saskatchewan AB 0.64 010735002 PINSON AL 0.64 000063301 Dorset ON 0.63 010735003 CORNER AL 0.63 000054401 Saint-Anicet QC 0.62 080310013 Denver - NJH - 14th Ave. & Albion St. CO 0.61 000065401 Belleville ON 0.57 060659001 Lake Elsinore - W. Flint Street CA 0.57 000061201 Cornwall ON 0.56 000060303 Kingston ON 0.53 080310002 Denver - CAMP - 2105 Broadway CO 0.53 010732006 HOOVER AL 0.53 010731005 MCADORY AL 0.53 000065701 Morrisburg ON 0.52 010731010 LEEDS AL 0.52 000054703 Bécancour (Aréna) QC 0.51 080010006 Commerce City - 7101 Birch St. CO 0.50 000091901 Caroline AB 0.50 000090218 Calgary East AB 0.50 000050801 Ursulines QC Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences 10-30 and Corr > 0.5 0.92 000061201 Cornwall ON 0.92 000052301 Saint-Faustin QC 0.90 000054401 Saint-Anicet QC 0.88 000061104 Peterborough ON 0.86 000090120 Edmonton South AB 0.86 000054501 L'Assomption QC 0.85 000063301 Dorset ON 0.84 000090130 Edmonton Central AB 0.83 000091101 Elk Island AB 0.83 000090601 Fort Saskatchewan AB 0.83 000090121 Edmonton East AB 0.80 010731009 PROVIDENCE AL 0.78 000090218 Calgary East AB 0.77 010731005 MCADORY AL 0.76 060530002 Unknown CA 0.76 000065001 Barrie ON 0.73 060831008 Santa Maria - Broadway CA 0.72 000094301 Cold Lake South AB 0.71 051430005 SPRNGDLE AR 0.68 061113001 El Rio - Rio Mesa School #2 CA 0.67 000054703 Bécancour (Aréna) QC 0.65 000061004 Sarnia ON 0.64 060690002 Unknown CA 0.63 080010006 Commerce City - 7101 Birch St. CO 0.63 000065301 Port Stanley ON 0.60 010735003 CORNER AL 0.59 080130003 Longmont CO 0.59 000065801 Chatham ON 0.58 080310013 Denver - NJH - 14th Ave. & Albion St. CO 0.56 060290014 Bakersfield - 5558 California Ave CA 0.56 000050801 Ursulines QC 0.55 061112002 Simi Valley - Cochran Street CA 0.55 010732003 WYLAM AL 0.54 061110009 Piru - Pacific CA 0.54 010732006 HOOVER AL 0.53 060832004 Lompoc H Street CA 0.52 080310002 Denver - CAMP - 2105 Broadway CO 0.50 061130004 Davis CA 0.50 060650012 Banning - South Hathaway Street CA Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences 10-30 and Corr > 0.5 62.30 000010401 Mount Pearl NF 25.10 000030310 SYDNEY NS 7.40 061113001 El Rio - Rio Mesa School #2 CA 4.90 060832004 Lompoc H Street CA 4.30 060650012 Banning - South Hathaway Street CA 4.10 060831008 Santa Maria - Broadway CA 3.90 000020301 WELLINGTON PE 3.30 000020104 CHARLOTTETOWN PE 2.80 060670012 Folsom CA 2.80 000041302 BATHURST NB 1.80 061111004 Ojai - Ojai Ave. CA 1.00 060010011 Oakland West CA 0.80 060750005 San Francisco - Arkansas Street CA 0.80 060570005 Grass Valley CA 0.70 060659001 Lake Elsinore - W. Flint Street CA Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences 10-30 and Corr > 0.5 28.00 000030310 SYDNEY NS 22.90 000010401 Mount Pearl NF 8.90 060690002 Unknown CA 6.50 040139812 Durango AZ 5.60 040134010 Dysart AZ 5.20 040134003 South Phoenix AZ 4.40 060650012 Banning - South Hathaway Street CA 4.30 000020301 WELLINGTON PE 4.10 060870007 Unknown CA 4.10 060832004 Lompoc H Street CA 4.00 060530002 Unknown CA 4.00 000020104 CHARLOTTETOWN PE 3.70 040130019 West Phoenix AZ 3.60 060832011 GOLETA CA 3.50 060831008 Santa Maria - Broadway CA 3.50 000041302 BATHURST NB 2.90 060659001 Lake Elsinore - W. Flint Street CA 2.70 060670012 Folsom CA 2.60 040139998 Vehicle Emissions Laboratory AZ 2.10 060850002 Gilory - 9th Street CA 2.00 061113001 El Rio - Rio Mesa School #2 CA 2.00 060950004 Vallejo - 304 Tuolumne Street CA 1.90 060830011 Santa Barbara CA 1.70 061111004 Ojai - Ojai Ave. CA 1.10 060012004 Berkeley CA 1.00 000061201 Cornwall ON 0.90 000061104 Peterborough ON 0.70 060959999 Rio Vista CA 0.70 040191030 Green Valley AZ 0.60 061112002 Simi Valley - Cochran Street CA 0.60 060970003 Santa Rosa - 5th Street CA 0.50 000054501 L'Assomption QC Mean observed daytime surface PM2.5 (6-hourly) #coincidences 10-30 and Corr > 0.5 275.80 061072002 Visalia - N. Church Street CA 266.90 060410003 Point Reyes CA 205.20 060771002 Stockton - Hazelton Street CA 169.20 060690002 Unknown CA 165.90 060431001 Yosemite Village - Visitor Center CA 150.10 060832011 GOLETA CA 127.10 060870007 Unknown CA 123.00 060290014 Bakersfield - 5558 California Ave CA 109.70 060530002 Unknown CA 97.80 060639901 Quincy BAM CA 80.10 060830011 Santa Barbara CA 79.90 040191034 Coachline AZ 74.40 060250005 Calexico - Ethel Street CA 69.80 060070002 Chico - Manzanita CA 48.00 060990005 Modesto - 14th Street CA 31.40 000090120 Edmonton South AB 29.00 000090121 Edmonton East AB 28.70 060670010 Sacramento - T Street CA 28.40 060074001 Gridley CA 28.20 060610006 Roseville - N.Sunrise/Douglas CA 27.80 061130004 Davis CA 27.40 000090130 Edmonton Central AB 25.80 060890007 Anderson CA 24.60 060711004 Upland CA 23.90 000090601 Fort Saskatchewan AB 23.70 061010003 Yuba City CA 22.60 060970003 Santa Rosa - 5th Street CA 22.60 000090302 Red Deer AB 21.00 060953002 Vacaville CA 20.40 060310004 Corcoran CA 20.00 060550003 Napa - Jefferson St CA 19.90 060571001 Truckee BAM CA 19.70 061131003 Woodland CA 19.20 060371002 Burbank - W. Palm Ave CA 19.20 000040801 CANTERBURY NB 18.40 080310002 Denver - CAMP - 2105 Broadway CO 18.40 040130019 West Phoenix AZ 17.80 060658001 Riverside - Rubidoux CA 17.70 010970003 CHICK. AL 17.60 010730023 NO. BHAM AL 17.40 040134003 South Phoenix AZ 16.80 040191113 Geronimo AZ 16.40 060850002 Gilory - 9th Street CA 16.30 060670006 Sacramento - Del Paso Manor CA 16.30 060376012 Santa Clarita CA 15.60 080310013 Denver - NJH - 14th Ave. & Albion St. CO 15.40 060710005 Lake Gregory - Crestline CA 15.40 060010007 Livermore - Rincon CA 15.20 060410001 San Rafael CA 15.10 060651003 Riverside - Magnolia CA 14.80 060650012 Banning - South Hathaway Street CA 14.60 060271023 Bishop Paiute Tribe-CA CA 14.50 069999921 EBAM12 - Sac T CA 14.50 060012004 Berkeley CA 14.20 000060424 Toronto Downtown ON 14.00 000054501 L'Assomption QC 13.80 000061502 Kitchener ON 13.70 010731010 LEEDS AL 13.70 000061402 Brantford ON 13.40 010732003 WYLAM AL 13.10 040139812 Durango AZ 13.00 011011002 MONTG AL 13.00 010732006 HOOVER AL 12.90 060950004 Vallejo - 304 Tuolumne Street CA 12.90 000090218 Calgary East AB 12.90 000061004 Sarnia ON 12.70 040191032 Rose Elementary AZ 12.60 060210002 Willows - E. Laurel Street CA 12.40 060959999 Rio Vista CA 12.40 000060204 Windsor Downtown ON 12.20 000065001 Barrie ON 11.70 060811001 Redwood City CA 11.60 000061104 Peterborough ON 11.40 000054703 Bécancour (Aréna) QC 11.40 000054401 Saint-Anicet QC 11.10 051190007 PARR AR 11.10 000060709 Sault Ste Marie ON 10.90 040139998 Vehicle Emissions Laboratory AZ 10.80 061112002 Simi Valley - Cochran Street CA 10.60 010731005 MCADORY AL 10.60 000060903 London ON 10.60 000010401 Mount Pearl NF 10.40 061111004 Ojai - Ojai Ave. CA 10.40 010735003 CORNER AL 10.40 000094301 Cold Lake South AB 10.40 000065801 Chatham ON 10.30 080410017 Colorado College CO 10.20 080010006 Commerce City - 7101 Birch St. CO 10.10 060090001 San Andreas CA 10.10 000050801 Ursulines QC 9.80 061110009 Piru - Pacific CA 9.80 051191008 ADEQ-DSR AR 9.50 051430005 SPRNGDLE AR 9.50 050350005 MARION AR 9.50 000061201 Cornwall ON 9.40 000065301 Port Stanley ON 9.20 051390006 El Dorado AR 9.20 000060512 Hamilton Downtown ON 9.10 010731009 PROVIDENCE AL 8.90 060670012 Folsom CA 8.80 000052301 Saint-Faustin QC 8.60 060750005 San Francisco - Arkansas Street CA 8.50 040191030 Green Valley AZ 8.40 060010011 Oakland West CA 8.40 010331002 MSHOALS AL 8.40 000040207 SAINT JOHN WEST NB 8.10 080131001 Boulder - CU - 2102 Athens St. CO 8.10 000061302 St. Catharines ON 7.90 040134010 Dysart AZ 7.80 060832004 Lompoc H Street CA 7.80 060659001 Lake Elsinore - W. Flint Street CA 7.60 060831008 Santa Maria - Broadway CA 7.20 061113001 El Rio - Rio Mesa School #2 CA 7.10 061070009 Sequoia/Kings Canyon - Ash Mountain CA 6.90 000063301 Dorset ON 6.70 000020104 CHARLOTTETOWN PE 6.60 000030310 SYDNEY NS 6.40 080130003 Longmont CO 6.20 000041302 BATHURST NB 6.10 000020301 WELLINGTON PE 5.40 000091101 Elk Island AB 4.50 060570005 Grass Valley CA 4.50 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 38.30 000030310 SYDNEY NS 27.70 000020401 SOUTHAMPTON PE 21.30 010970003 CHICK. AL 18.50 000010401 Mount Pearl NF 13.00 000041302 BATHURST NB 10.10 040191034 Coachline AZ 9.30 040139998 Vehicle Emissions Laboratory AZ 9.30 040139812 Durango AZ 9.30 040138005 Estrella AZ 9.30 040134010 Dysart AZ 9.30 040134003 South Phoenix AZ 9.30 040130019 West Phoenix AZ 9.10 051390006 El Dorado AR 9.10 051191008 ADEQ-DSR AR 9.10 051190007 PARR AR 9.10 011011002 MONTG AL 8.80 000040302 MONCTON NB 8.80 000030701 AYLESFORD MOUNTAIN NS 8.80 000020301 WELLINGTON PE 8.80 000020104 CHARLOTTETOWN PE 8.60 060250005 Calexico - Ethel Street CA 8.30 061112002 Simi Valley - Cochran Street CA 8.30 061110009 Piru - Pacific CA 8.30 061110007 Thousand Oaks - Moorpark Road CA 8.30 060731008 Camp Pendleton CA 8.30 060731002 Escondido CA 8.30 060711004 Upland CA 8.30 060710005 Lake Gregory - Crestline CA 8.30 060659001 Lake Elsinore - W. Flint Street CA 8.30 060658001 Riverside - Rubidoux CA 8.30 060651003 Riverside - Magnolia CA 8.30 060376012 Santa Clarita CA 8.30 060374002 North Long Beach CA 8.30 060371201 Reseda CA 8.30 060371103 Los Angeles - N. Main Street CA 8.30 060371002 Burbank - W. Palm Ave CA 8.30 060370016 Glendora - Laurel CA 6.90 060650012 Banning - South Hathaway Street CA 6.60 069999921 EBAM12 - Sac T CA 6.60 061131003 Woodland CA 6.60 061130004 Davis CA 6.60 060970003 Santa Rosa - 5th Street CA 6.60 060959999 Rio Vista CA 6.60 060953002 Vacaville CA 6.60 060950004 Vallejo - 304 Tuolumne Street CA 6.60 060870003 Unknown CA 6.60 060850005 San Jose - Jackson St. CA 6.60 060811001 Redwood City CA 6.60 060771002 Stockton - Hazelton Street CA 6.60 060750005 San Francisco - Arkansas Street CA 6.60 060679991 Rancho Seco CA 6.60 060675003 Sloughhouse CA 6.60 060670012 Folsom CA 6.60 060670011 Elk Grove CA 6.60 060670010 Sacramento - T Street CA 6.60 060670006 Sacramento - Del Paso Manor CA 6.60 060610006 Roseville - N.Sunrise/Douglas CA 6.60 060550003 Napa - Jefferson St CA 6.60 060410003 Point Reyes CA 6.60 060410001 San Rafael CA 6.60 060012004 Berkeley CA 6.60 060010011 Oakland West CA 6.60 060010007 Livermore - Rincon CA 6.10 060731010 San Diego - Beardsley Street CA 5.90 040191113 Geronimo AZ 5.90 040191032 Rose Elementary AZ 5.90 040191030 Green Valley AZ 5.80 000065001 Barrie ON 5.80 000061502 Kitchener ON 5.80 000061402 Brantford ON 5.80 000061302 St. Catharines ON 5.80 000060512 Hamilton Downtown ON 5.80 000060424 Toronto Downtown ON 5.00 000060204 Windsor Downtown ON 4.80 000065801 Chatham ON 4.80 000065301 Port Stanley ON 4.80 000061004 Sarnia ON 4.80 000060903 London ON 4.50 000040207 SAINT JOHN WEST NB 4.50 000040203 FOREST HILLS NB 4.10 010731009 PROVIDENCE AL 4.10 010731005 MCADORY AL 4.10 010331002 MSHOALS AL 3.60 000065401 Belleville ON 3.60 000061104 Peterborough ON 3.40 061113001 El Rio - Rio Mesa School #2 CA 3.40 061111004 Ojai - Ojai Ave. CA 3.40 060832011 GOLETA CA 3.40 060832004 Lompoc H Street CA 3.40 060831008 Santa Maria - Broadway CA 3.40 060830011 Santa Barbara CA 3.40 000061201 Cornwall ON 3.40 000054501 L'Assomption QC 3.40 000054401 Saint-Anicet QC 3.40 000052301 Saint-Faustin QC 3.40 000040901 ST ANDREWS NB 3.40 000040801 CANTERBURY NB 3.30 060870007 Unknown CA 3.30 060850002 Gilory - 9th Street CA 3.30 060690002 Unknown CA 3.30 060530002 Unknown CA 3.30 010735003 CORNER AL 3.30 010735002 PINSON AL 3.30 010732006 HOOVER AL 3.30 010732003 WYLAM AL 3.30 010731010 LEEDS AL 3.30 010730023 NO. BHAM AL 3.20 061072002 Visalia - N. Church Street CA 3.20 060798001 Atascadero CA 3.20 060792004 Mesa 2 /Nipomo CA 3.20 060310004 Corcoran CA 3.20 060290014 Bakersfield - 5558 California Ave CA 3.20 060190008 Fresno - 1st Street CA 3.10 000065701 Morrisburg ON 3.10 000060303 Kingston ON 3.00 050350005 MARION AR 3.00 000054703 Bécancour (Aréna) QC 3.00 000051501 Zéphirin QC 3.00 000050801 Ursulines QC 2.50 051430005 SPRNGDLE AR 2.40 000060104 Ottawa ON 1.90 000063301 Dorset ON 1.70 080770017 Grand Junction - Powell Building CO 1.70 000091901 Caroline AB 1.70 000090302 Red Deer AB 1.70 000090222 Calgary Northwest AB 1.70 000090218 Calgary East AB 1.60 000090601 Fort Saskatchewan AB 1.60 000090402 Medicine Hat - Crescent Hts AB 1.60 000090130 Edmonton Central AB 1.60 000090121 Edmonton East AB 1.60 000090120 Edmonton South AB 1.60 000063701 Grand Bend ON 1.60 000062501 Tiverton ON 1.50 061070009 Sequoia/Kings Canyon - Ash Mountain CA 1.50 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 1.50 000065201 Parry Sound ON 1.50 000062001 North Bay ON 1.50 000060709 Sault Ste Marie ON 1.50 000060609 Sudbury ON 1.30 080350004 Chatfield Park - 11500 N. Roxborough Par CO 1.30 080310013 Denver - NJH - 14th Ave. & Albion St. CO 1.30 080310002 Denver - CAMP - 2105 Broadway CO 1.30 080131001 Boulder - CU - 2102 Athens St. CO 1.30 080130003 Longmont CO 1.30 080010006 Commerce City - 7101 Birch St. CO 1.30 061010003 Yuba City CA 1.30 060990005 Modesto - 14th Street CA 1.30 060890007 Anderson CA 1.30 060570005 Grass Valley CA 1.30 060431001 Yosemite Village - Visitor Center CA 1.30 060210002 Willows - E. Laurel Street CA 1.30 060090001 San Andreas CA 1.30 060074001 Gridley CA 1.30 060070002 Chico - Manzanita CA 1.30 000090502 Lethbridge AB 1.20 080410017 Colorado College CO 1.20 000094301 Cold Lake South AB 1.00 000091101 Elk Island AB 0.90 060271023 Bishop Paiute Tribe-CA CA 0.80 060639901 Quincy BAM CA 0.80 060571001 Truckee BAM CA AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)