Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.73 000061201 Cornwall ON 0.70 000054501 L'Assomption QC 0.70 000052301 Saint-Faustin QC 0.67 000060303 Kingston ON 0.65 000065701 Morrisburg ON 0.65 000060104 Ottawa ON 0.64 000060512 Hamilton Downtown ON 0.63 000090601 Fort Saskatchewan AB 0.63 000065801 Chatham ON 0.61 000065401 Belleville ON 0.61 000061104 Peterborough ON 0.58 010732003 WYLAM AL 0.58 000065301 Port Stanley ON 0.58 000061402 Brantford ON 0.57 000090218 Calgary East AB 0.57 000061004 Sarnia ON 0.55 050350005 MARION AR 0.55 000090130 Edmonton Central AB 0.53 010730023 NO. BHAM AL 0.53 000061302 St. Catharines ON 0.52 010731010 LEEDS AL 0.51 000090121 Edmonton East 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 0.95 000061201 Cornwall ON 0.88 000065801 Chatham ON 0.84 000061104 Peterborough ON 0.84 000052301 Saint-Faustin QC 0.83 000054501 L'Assomption QC 0.82 000065401 Belleville ON 0.80 000065701 Morrisburg ON 0.78 000060303 Kingston ON 0.76 000090601 Fort Saskatchewan AB 0.73 051430005 SPRNGDLE AR 0.72 000090218 Calgary East AB 0.72 000020401 SOUTHAMPTON PE 0.71 000094301 Cold Lake South AB 0.70 000061402 Brantford ON 0.69 000090130 Edmonton Central AB 0.69 000090121 Edmonton East AB 0.68 000061302 St. Catharines ON 0.68 000061004 Sarnia ON 0.64 050350005 MARION AR 0.61 060675003 Sloughhouse CA 0.59 051390006 El Dorado AR 0.57 040191030 Green Valley AZ 0.57 000060424 Toronto Downtown ON 0.55 000090120 Edmonton South AB 0.55 000060204 Windsor Downtown ON 0.54 000054703 Bécancour (Aréna) QC 0.53 010732003 WYLAM AL 0.52 051190007 PARR AR 0.51 000065001 Barrie ON 0.50 000090402 Medicine Hat - Crescent Hts AB 0.50 000050801 Ursulines QC #coincidences 10-30 and Corr > 0.5 0.91 060690002 Unknown CA 0.91 000060104 Ottawa ON 0.83 000060512 Hamilton Downtown ON 0.75 000065301 Port Stanley ON 0.64 000060609 Sudbury ON 0.61 060798001 Atascadero CA 0.59 000061502 Kitchener ON 0.56 060679991 Rancho Seco CA Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 45.20 000010401 Mount Pearl NF 38.50 000030310 SYDNEY NS 31.50 000020401 SOUTHAMPTON PE 20.60 000020301 WELLINGTON PE 18.20 000020104 CHARLOTTETOWN PE 16.60 000040302 MONCTON NB 11.40 000041302 BATHURST NB 10.50 060650012 Banning - South Hathaway Street CA 5.70 061113001 El Rio - Rio Mesa School #2 CA 5.00 060832004 Lompoc H Street CA 4.60 000040901 ST ANDREWS NB 4.50 060831008 Santa Maria - Broadway CA 4.20 000065001 Barrie ON 3.50 000060424 Toronto Downtown ON 3.00 061111004 Ojai - Ojai Ave. CA 2.30 000061402 Brantford ON 2.10 000061302 St. Catharines ON 2.00 000065401 Belleville ON 1.90 000061104 Peterborough ON 1.70 000052301 Saint-Faustin QC 1.60 000040207 SAINT JOHN WEST NB 0.90 000061201 Cornwall ON 0.50 061110007 Thousand Oaks - Moorpark Road CA 0.50 000065801 Chatham ON #coincidences 10-30 and Corr > 0.5 14.60 000040209 CASTLE ST. SAINT JO NB 4.90 060690002 Unknown CA 2.20 000040203 FOREST HILLS NB 1.30 000060512 Hamilton Downtown ON 1.10 000061502 Kitchener ON Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 28.70 000010401 Mount Pearl NF 24.00 000030310 SYDNEY NS 13.70 000020401 SOUTHAMPTON PE 7.80 000040302 MONCTON NB 7.30 000041302 BATHURST NB 6.90 000020301 WELLINGTON PE 5.70 000020104 CHARLOTTETOWN PE 5.60 061113001 El Rio - Rio Mesa School #2 CA 5.10 060870007 Unknown CA 4.40 060832004 Lompoc H Street CA 4.20 060650012 Banning - South Hathaway Street CA 3.70 060832011 GOLETA CA 3.30 061110007 Thousand Oaks - Moorpark Road CA 3.10 060831008 Santa Maria - Broadway CA 3.10 000061402 Brantford ON 3.00 060530002 Unknown CA 2.90 000061302 St. Catharines ON 2.80 000061104 Peterborough ON 2.70 000061201 Cornwall ON 2.50 000065001 Barrie ON 2.40 061111004 Ojai - Ojai Ave. CA 2.30 060731002 Escondido CA 2.20 000065401 Belleville ON 2.20 000060424 Toronto Downtown ON 1.80 060830011 Santa Barbara CA 1.80 060659001 Lake Elsinore - W. Flint Street CA 1.80 000052301 Saint-Faustin QC 1.40 000065701 Morrisburg ON 1.20 061110009 Piru - Pacific CA 1.20 040139998 Vehicle Emissions Laboratory AZ 0.90 040134010 Dysart AZ 0.70 000065801 Chatham ON 0.70 000040901 ST ANDREWS NB 0.70 000040207 SAINT JOHN WEST NB 0.60 040191030 Green Valley AZ 0.60 000040103 FREDERICTON NB #coincidences 10-30 and Corr > 0.5 2.70 000040203 FOREST HILLS NB 2.60 000061502 Kitchener ON 2.50 060370016 Glendora - Laurel CA 2.40 000060512 Hamilton Downtown ON 2.30 000040209 CASTLE ST. SAINT JO NB 1.70 060690002 Unknown CA 1.40 000065301 Port Stanley ON 1.40 000060609 Sudbury ON 1.20 000060903 London ON 0.80 060870003 Unknown CA Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 ****** 060410003 Point Reyes CA 220.90 061010003 Yuba City CA 142.70 060530002 Unknown CA 117.20 061130004 Davis CA 90.90 060250005 Calexico - Ethel Street CA 81.20 060610006 Roseville - N.Sunrise/Douglas CA 78.90 061070009 Sequoia/Kings Canyon - Ash Mountain CA 78.30 060771002 Stockton - Hazelton Street CA 69.40 060670011 Elk Grove CA 69.40 060070002 Chico - Manzanita CA 58.10 060290014 Bakersfield - 5558 California Ave CA 58.00 010331002 MSHOALS AL 46.80 060190008 Fresno - 1st Street CA 44.30 060870007 Unknown CA 43.10 060832011 GOLETA CA 42.00 060890007 Anderson CA 40.20 060990005 Modesto - 14th Street CA 39.10 061072002 Visalia - N. Church Street CA 36.10 060670010 Sacramento - T Street CA 33.80 060639901 Quincy BAM CA 29.50 060074001 Gridley CA 28.50 000090120 Edmonton South AB 27.50 060371201 Reseda CA 27.50 000090130 Edmonton Central AB 27.20 060431001 Yosemite Village - Visitor Center CA 26.80 000090121 Edmonton East AB 26.50 040191030 Green Valley AZ 26.30 060670006 Sacramento - Del Paso Manor CA 25.30 060731002 Escondido CA 24.80 069999921 EBAM12 - Sac T CA 23.90 060711004 Upland CA 23.80 060371002 Burbank - W. Palm Ave CA 22.90 000090302 Red Deer AB 22.70 060571001 Truckee BAM CA 21.80 060371103 Los Angeles - N. Main Street CA 20.70 080310013 Denver - NJH - 14th Ave. & Albion St. CO 20.60 000054401 Saint-Anicet QC 20.10 000090218 Calgary East AB 19.90 060550003 Napa - Jefferson St CA 19.80 040139812 Durango AZ 19.80 000040801 CANTERBURY NB 19.60 061131003 Woodland CA 19.30 060953002 Vacaville CA 19.30 060410001 San Rafael CA 19.30 060374002 North Long Beach CA 19.20 060651003 Riverside - Magnolia CA 19.00 060710005 Lake Gregory - Crestline CA 18.50 010970003 CHICK. AL 18.50 000090222 Calgary Northwest AB 18.10 040191113 Geronimo AZ 17.90 060950004 Vallejo - 304 Tuolumne Street CA 17.60 060731010 San Diego - Beardsley Street CA 17.60 060271023 Bishop Paiute Tribe-CA CA 17.60 060012004 Berkeley CA 17.60 000090601 Fort Saskatchewan AB 17.40 000054501 L'Assomption QC 17.30 040134003 South Phoenix AZ 17.20 060210002 Willows - E. Laurel Street CA 16.80 080131001 Boulder - CU - 2102 Athens St. CO 16.60 040130019 West Phoenix AZ 16.50 080310002 Denver - CAMP - 2105 Broadway CO 16.40 060675003 Sloughhouse CA 16.10 060811001 Redwood City CA 16.10 060010007 Livermore - Rincon CA 15.80 060658001 Riverside - Rubidoux CA 15.60 060970003 Santa Rosa - 5th Street CA 15.30 060959999 Rio Vista CA 15.20 060376012 Santa Clarita CA 14.60 000054703 Bécancour (Aréna) QC 14.30 010732003 WYLAM AL 14.00 060731008 Camp Pendleton CA 13.90 051191008 ADEQ-DSR AR 13.80 061112002 Simi Valley - Cochran Street CA 13.80 010730023 NO. BHAM AL 13.70 060850005 San Jose - Jackson St. CA 13.70 060010011 Oakland West CA 13.70 011011002 MONTG AL 13.50 060750005 San Francisco - Arkansas Street CA 13.50 000050801 Ursulines QC 13.30 060650012 Banning - South Hathaway Street CA 13.00 040191034 Coachline AZ 12.90 080410017 Colorado College CO 12.90 060830011 Santa Barbara CA 12.60 061110009 Piru - Pacific CA 12.50 051190007 PARR AR 12.40 060850002 Gilory - 9th Street CA 12.30 010732006 HOOVER AL 12.20 040139998 Vehicle Emissions Laboratory AZ 11.90 000090402 Medicine Hat - Crescent Hts AB 11.80 040191032 Rose Elementary AZ 11.60 010731010 LEEDS AL 11.30 051390006 El Dorado AR 11.30 010731005 MCADORY AL 11.10 080010006 Commerce City - 7101 Birch St. CO 11.00 051430005 SPRNGDLE AR 10.90 060659001 Lake Elsinore - W. Flint Street CA 10.60 000090502 Lethbridge AB 10.50 061111004 Ojai - Ojai Ave. CA 10.50 050350005 MARION AR 10.40 061110007 Thousand Oaks - Moorpark Road CA 10.00 060670012 Folsom CA 9.90 010735003 CORNER AL 9.90 000094301 Cold Lake South AB 9.80 010731009 PROVIDENCE AL 9.70 060090001 San Andreas CA 9.70 010735002 PINSON AL 9.50 000040103 FREDERICTON NB 9.50 000030310 SYDNEY NS 9.50 000010401 Mount Pearl NF 9.20 061113001 El Rio - Rio Mesa School #2 CA 9.10 000020104 CHARLOTTETOWN PE 8.80 040134010 Dysart AZ 8.70 000061004 Sarnia ON 8.40 000041302 BATHURST NB 7.80 080130003 Longmont CO 7.80 000061201 Cornwall ON 7.80 000060303 Kingston ON 7.80 000060204 Windsor Downtown ON 7.60 000061302 St. Catharines ON 7.30 000061402 Brantford ON 6.90 000065801 Chatham ON 6.80 060832004 Lompoc H Street CA 6.80 000040302 MONCTON NB 6.70 000020301 WELLINGTON PE 6.60 060831008 Santa Maria - Broadway CA 6.60 000052301 Saint-Faustin QC 6.20 000060424 Toronto Downtown ON 6.20 000040207 SAINT JOHN WEST NB 6.10 000065701 Morrisburg ON 6.00 000065401 Belleville ON 5.90 000061104 Peterborough ON 5.80 060570005 Grass Valley CA 5.60 000065001 Barrie ON 5.30 000040901 ST ANDREWS NB 4.80 000020401 SOUTHAMPTON PE 4.50 000091101 Elk Island AB 4.30 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA #coincidences 10-30 and Corr > 0.5 58.50 060731006 Alpine CA 54.40 060870003 Unknown CA 54.20 060310004 Corcoran CA 18.00 060590007 Anaheim CA 16.90 060679991 Rancho Seco CA 16.20 060370016 Glendora - Laurel CA 16.00 060072001 Paradise - Birch Street CA 15.00 000051501 Zéphirin QC 13.90 060798001 Atascadero CA 12.90 080770017 Grand Junction - Powell Building CO 10.40 040138005 Estrella AZ 9.40 000060104 Ottawa ON 9.10 000060903 London ON 8.40 000061502 Kitchener ON 8.10 000063701 Grand Bend ON 7.90 000065301 Port Stanley ON 7.50 000060512 Hamilton Downtown ON 7.10 000063301 Dorset ON 7.00 000091901 Caroline AB 6.90 060690002 Unknown CA 6.80 000065201 Parry Sound ON 6.70 000062001 North Bay ON 6.60 080350004 Chatfield Park - 11500 N. Roxborough Par CO 6.40 000040203 FOREST HILLS NB 6.10 060792004 Mesa 2 /Nipomo CA 6.10 000062501 Tiverton ON 4.90 000040209 CASTLE ST. SAINT JO NB 4.60 000060609 Sudbury ON 4.00 000060709 Sault Ste Marie ON Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)