Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.71 000090130 Edmonton Central AB 0.71 000054501 L'Assomption QC 0.69 000090120 Edmonton South AB 0.66 000090121 Edmonton East AB 0.63 000090601 Fort Saskatchewan AB 0.63 000054401 Saint-Anicet QC 0.62 010735003 CORNER AL 0.54 080310013 Denver - NJH - 14th Ave. & Albion St. CO 0.53 000090218 Calgary East AB 0.53 000054703 Bécancour (Aréna) QC 0.51 010732006 HOOVER AL 0.51 010731005 MCADORY AL 0.51 000050801 Ursulines QC 0.50 010731010 LEEDS AL #coincidences 10-30 and Corr > 0.5 0.78 000062001 North Bay ON 0.71 000060104 Ottawa ON 0.69 000065201 Parry Sound ON 0.69 000052301 Saint-Faustin QC 0.68 000061104 Peterborough ON 0.64 010735002 PINSON AL 0.60 060659001 Lake Elsinore - W. Flint Street CA 0.57 000065401 Belleville ON 0.56 000065001 Barrie ON 0.56 000061201 Cornwall ON 0.53 000065701 Morrisburg ON 0.52 000062501 Tiverton ON 0.52 000060303 Kingston ON 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 060371103 Los Angeles - N. Main Street CA 0.85 000090120 Edmonton South AB 0.85 000063301 Dorset ON 0.84 000090130 Edmonton Central AB 0.83 000054501 L'Assomption QC 0.82 000090601 Fort Saskatchewan AB 0.82 000090218 Calgary East AB 0.82 000090121 Edmonton East AB 0.77 010731005 MCADORY AL 0.76 060530002 Unknown CA 0.76 000065001 Barrie ON 0.75 010731009 PROVIDENCE AL 0.74 051430005 SPRNGDLE AR 0.74 000091101 Elk Island AB 0.74 000090222 Calgary Northwest AB 0.70 080130003 Longmont CO 0.70 060792004 Mesa 2 /Nipomo CA 0.68 061113001 El Rio - Rio Mesa School #2 CA 0.67 060690002 Unknown CA 0.67 000094301 Cold Lake South AB 0.63 000065301 Port Stanley ON 0.62 060374002 North Long Beach CA 0.62 010732006 HOOVER AL 0.62 010732003 WYLAM AL 0.59 061112002 Simi Valley - Cochran Street CA 0.59 000065801 Chatham ON 0.56 000054703 Bécancour (Aréna) QC 0.55 060290014 Bakersfield - 5558 California Ave CA 0.54 060371002 Burbank - W. Palm Ave CA 0.54 010735003 CORNER AL 0.52 060831008 Santa Maria - Broadway CA 0.51 080131001 Boulder - CU - 2102 Athens St. CO 0.51 000050801 Ursulines QC Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences 10-30 and Corr > 0.5 63.60 000010401 Mount Pearl NF 34.00 000030310 SYDNEY NS 25.30 000020401 SOUTHAMPTON PE 7.40 061113001 El Rio - Rio Mesa School #2 CA 4.00 060831008 Santa Maria - Broadway CA 4.00 000020301 WELLINGTON PE 3.70 060832004 Lompoc H Street CA 3.70 000041302 BATHURST NB 3.10 000020104 CHARLOTTETOWN PE 2.20 061110007 Thousand Oaks - Moorpark Road CA 2.20 060650012 Banning - South Hathaway Street CA 1.10 060659001 Lake Elsinore - W. Flint Street CA 0.80 060570005 Grass Valley CA 0.50 060370016 Glendora - Laurel CA Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences 10-30 and Corr > 0.5 32.70 000030310 SYDNEY NS 27.80 000010401 Mount Pearl NF 19.30 000020401 SOUTHAMPTON PE 7.50 060690002 Unknown CA 6.50 040139812 Durango AZ 5.20 040134003 South Phoenix AZ 5.00 000020301 WELLINGTON PE 4.60 040134010 Dysart AZ 4.40 000020104 CHARLOTTETOWN PE 4.10 060832004 Lompoc H Street CA 4.00 060370016 Glendora - Laurel CA 3.80 060870007 Unknown CA 3.80 060530002 Unknown CA 3.70 060832011 GOLETA CA 3.70 040130019 West Phoenix AZ 3.60 000041302 BATHURST NB 3.10 061110007 Thousand Oaks - Moorpark Road CA 3.10 060831008 Santa Maria - Broadway CA 3.00 060650012 Banning - South Hathaway Street CA 2.60 060850002 Gilory - 9th Street CA 2.60 040139998 Vehicle Emissions Laboratory AZ 2.50 060659001 Lake Elsinore - W. Flint Street CA 2.00 061113001 El Rio - Rio Mesa School #2 CA 1.70 061111004 Ojai - Ojai Ave. CA 1.40 060830011 Santa Barbara CA 1.20 000040207 SAINT JOHN WEST NB 1.10 060850005 San Jose - Jackson St. CA 1.10 060012004 Berkeley CA 1.00 000061201 Cornwall ON 0.90 000061104 Peterborough ON 0.60 061110009 Piru - Pacific CA 0.60 060792004 Mesa 2 /Nipomo CA 0.60 040191030 Green Valley AZ Mean observed daytime surface PM2.5 (6-hourly) #coincidences 10-30 and Corr > 0.5 272.00 060410003 Point Reyes CA 206.80 060250005 Calexico - Ethel Street CA 194.80 061072002 Visalia - N. Church Street CA 163.80 060771002 Stockton - Hazelton Street CA 146.90 060431001 Yosemite Village - Visitor Center CA 134.20 060832011 GOLETA CA 127.10 060870007 Unknown CA 99.10 060290014 Bakersfield - 5558 California Ave CA 95.00 060530002 Unknown CA 86.80 060690002 Unknown CA 86.80 060639901 Quincy BAM CA 78.40 060070002 Chico - Manzanita CA 74.90 060830011 Santa Barbara CA 74.20 040191034 Coachline AZ 68.30 060731002 Escondido CA 66.20 060190008 Fresno - 1st Street CA 46.70 060990005 Modesto - 14th Street CA 43.50 060731010 San Diego - Beardsley Street CA 35.60 061130004 Davis CA 33.20 061010003 Yuba City CA 33.10 060670010 Sacramento - T Street CA 32.00 060371103 Los Angeles - N. Main Street CA 30.90 060610006 Roseville - N.Sunrise/Douglas CA 30.00 000090120 Edmonton South AB 29.80 060074001 Gridley CA 28.70 000090121 Edmonton East AB 28.00 060711004 Upland CA 27.80 000090130 Edmonton Central AB 27.60 060371002 Burbank - W. Palm Ave CA 26.30 060710005 Lake Gregory - Crestline CA 25.80 060890007 Anderson CA 24.50 060550003 Napa - Jefferson St CA 24.40 060970003 Santa Rosa - 5th Street CA 24.20 000090222 Calgary Northwest AB 23.60 060953002 Vacaville CA 23.60 000090601 Fort Saskatchewan AB 23.20 000090302 Red Deer AB 23.10 060571001 Truckee BAM CA 23.00 061131003 Woodland CA 22.00 060731008 Camp Pendleton CA 21.40 060310004 Corcoran CA 21.00 040191113 Geronimo AZ 20.70 060010007 Livermore - Rincon CA 20.20 010970003 CHICK. AL 20.10 010730023 NO. BHAM AL 20.00 060374002 North Long Beach CA 19.30 060850005 San Jose - Jackson St. CA 19.30 060670006 Sacramento - Del Paso Manor CA 19.00 060410001 San Rafael CA 19.00 000040801 CANTERBURY NB 18.40 069999921 EBAM12 - Sac T CA 18.40 040130019 West Phoenix AZ 17.50 060210002 Willows - E. Laurel Street CA 17.40 040134003 South Phoenix AZ 17.20 060658001 Riverside - Rubidoux CA 16.60 060811001 Redwood City CA 16.20 060850002 Gilory - 9th Street CA 15.70 060376012 Santa Clarita CA 15.20 060271023 Bishop Paiute Tribe-CA CA 15.10 060651003 Riverside - Magnolia CA 14.80 080310013 Denver - NJH - 14th Ave. & Albion St. CO 14.60 080310002 Denver - CAMP - 2105 Broadway CO 14.60 010732006 HOOVER AL 14.50 060959999 Rio Vista CA 14.50 060012004 Berkeley CA 14.50 010732003 WYLAM AL 14.40 060650012 Banning - South Hathaway Street CA 14.40 011011002 MONTG AL 14.20 010731010 LEEDS AL 14.20 000060424 Toronto Downtown ON 13.90 040139998 Vehicle Emissions Laboratory AZ 13.80 060950004 Vallejo - 304 Tuolumne Street CA 13.80 000090218 Calgary East AB 13.80 000061502 Kitchener ON 13.40 000054501 L'Assomption QC 13.30 040191032 Rose Elementary AZ 13.10 060750005 San Francisco - Arkansas Street CA 13.10 040139812 Durango AZ 12.90 060670012 Folsom CA 12.50 000054703 Bécancour (Aréna) QC 12.40 000063701 Grand Bend ON 12.20 000065001 Barrie ON 12.10 060010011 Oakland West CA 11.70 000094301 Cold Lake South AB 11.60 000061104 Peterborough ON 11.30 061111004 Ojai - Ojai Ave. CA 11.20 000060204 Windsor Downtown ON 11.10 061112002 Simi Valley - Cochran Street CA 11.10 000061402 Brantford ON 11.10 000060709 Sault Ste Marie ON 10.90 010731005 MCADORY AL 10.80 051190007 PARR AR 10.70 080410017 Colorado College CO 10.60 000061004 Sarnia ON 10.50 010735003 CORNER AL 10.40 080010006 Commerce City - 7101 Birch St. CO 10.40 000065801 Chatham ON 10.40 000054401 Saint-Anicet QC 10.20 051191008 ADEQ-DSR AR 10.00 060090001 San Andreas CA 9.90 051390006 El Dorado AR 9.90 000050801 Ursulines QC 9.80 061110009 Piru - Pacific CA 9.70 051430005 SPRNGDLE AR 9.50 010331002 MSHOALS AL 9.50 000061201 Cornwall ON 9.40 000065301 Port Stanley ON 9.40 000010401 Mount Pearl NF 9.30 050350005 MARION AR 9.20 010731009 PROVIDENCE AL 9.20 000060512 Hamilton Downtown ON 9.10 080131001 Boulder - CU - 2102 Athens St. CO 8.80 000090502 Lethbridge AB 8.80 000060903 London ON 8.60 000061302 St. Catharines ON 8.30 060370016 Glendora - Laurel CA 8.20 060832004 Lompoc H Street CA 8.00 061110007 Thousand Oaks - Moorpark Road CA 7.80 040134010 Dysart AZ 7.70 060659001 Lake Elsinore - W. Flint Street CA 7.60 060831008 Santa Maria - Broadway CA 7.60 040191030 Green Valley AZ 7.60 000040207 SAINT JOHN WEST NB 7.60 000030310 SYDNEY NS 7.20 061113001 El Rio - Rio Mesa School #2 CA 7.10 000052301 Saint-Faustin QC 6.90 000063301 Dorset ON 6.90 000020104 CHARLOTTETOWN PE 6.80 061070009 Sequoia/Kings Canyon - Ash Mountain CA 6.40 080130003 Longmont CO 6.00 000020301 WELLINGTON PE 5.20 000041302 BATHURST NB 5.10 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 5.00 000091101 Elk Island AB 4.80 000020401 SOUTHAMPTON PE 4.50 060570005 Grass Valley CA 4.30 060792004 Mesa 2 /Nipomo CA Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 21.90 000010401 Mount Pearl NF 14.10 000020401 SOUTHAMPTON PE 11.40 060870007 Unknown CA 11.40 060850002 Gilory - 9th Street CA 11.40 060690002 Unknown CA 11.40 060530002 Unknown CA 11.20 000030310 SYDNEY NS 11.10 061112002 Simi Valley - Cochran Street CA 11.10 061110009 Piru - Pacific CA 11.10 061110007 Thousand Oaks - Moorpark Road CA 11.10 060731008 Camp Pendleton CA 11.10 060731002 Escondido CA 11.10 060711004 Upland CA 11.10 060710005 Lake Gregory - Crestline CA 11.10 060659001 Lake Elsinore - W. Flint Street CA 11.10 060658001 Riverside - Rubidoux CA 11.10 060651003 Riverside - Magnolia CA 11.10 060376012 Santa Clarita CA 11.10 060374002 North Long Beach CA 11.10 060371201 Reseda CA 11.10 060371103 Los Angeles - N. Main Street CA 11.10 060371002 Burbank - W. Palm Ave CA 11.10 060370016 Glendora - Laurel CA 10.70 060250005 Calexico - Ethel Street CA 9.70 060731010 San Diego - Beardsley Street CA 9.60 061113001 El Rio - Rio Mesa School #2 CA 9.60 061111004 Ojai - Ojai Ave. CA 9.60 060832011 GOLETA CA 9.60 060832004 Lompoc H Street CA 9.60 060831008 Santa Maria - Broadway CA 9.60 060830011 Santa Barbara CA 8.70 040139998 Vehicle Emissions Laboratory AZ 8.70 040139812 Durango AZ 8.70 040138005 Estrella AZ 8.70 040134010 Dysart AZ 8.70 040134003 South Phoenix AZ 8.70 040130019 West Phoenix AZ 8.60 060650012 Banning - South Hathaway Street CA 8.10 040191034 Coachline AZ 8.00 069999921 EBAM12 - Sac T CA 8.00 061131003 Woodland CA 8.00 061130004 Davis CA 8.00 060970003 Santa Rosa - 5th Street CA 8.00 060959999 Rio Vista CA 8.00 060953002 Vacaville CA 8.00 060950004 Vallejo - 304 Tuolumne Street CA 8.00 060870003 Unknown CA 8.00 060850005 San Jose - Jackson St. CA 8.00 060811001 Redwood City CA 8.00 060771002 Stockton - Hazelton Street CA 8.00 060750005 San Francisco - Arkansas Street CA 8.00 060679991 Rancho Seco CA 8.00 060675003 Sloughhouse CA 8.00 060670012 Folsom CA 8.00 060670011 Elk Grove CA 8.00 060670010 Sacramento - T Street CA 8.00 060670006 Sacramento - Del Paso Manor CA 8.00 060610006 Roseville - N.Sunrise/Douglas CA 8.00 060550003 Napa - Jefferson St CA 8.00 060410003 Point Reyes CA 8.00 060410001 San Rafael CA 8.00 060012004 Berkeley CA 8.00 060010011 Oakland West CA 8.00 060010007 Livermore - Rincon CA 7.60 040191113 Geronimo AZ 7.60 040191032 Rose Elementary AZ 7.60 040191030 Green Valley AZ 7.40 000040302 MONCTON NB 7.40 000030701 AYLESFORD MOUNTAIN NS 7.40 000020301 WELLINGTON PE 7.40 000020104 CHARLOTTETOWN PE 6.80 000041302 BATHURST NB 5.50 061072002 Visalia - N. Church Street CA 5.50 060798001 Atascadero CA 5.50 060792004 Mesa 2 /Nipomo CA 5.50 060310004 Corcoran CA 5.50 060290014 Bakersfield - 5558 California Ave CA 5.50 060190008 Fresno - 1st Street CA 5.50 010970003 CHICK. AL 5.20 000040207 SAINT JOHN WEST NB 5.20 000040203 FOREST HILLS NB 5.20 000040103 FREDERICTON NB 4.50 051390006 El Dorado AR 4.50 051191008 ADEQ-DSR AR 4.50 051190007 PARR AR 4.40 051430005 SPRNGDLE AR 4.10 000040901 ST ANDREWS NB 4.10 000040801 CANTERBURY NB 3.80 010735003 CORNER AL 3.80 010735002 PINSON AL 3.80 010732006 HOOVER AL 3.80 010732003 WYLAM AL 3.80 010731010 LEEDS AL 3.80 010730023 NO. BHAM AL 3.50 011011002 MONTG AL 3.50 010731009 PROVIDENCE AL 3.50 010731005 MCADORY AL 3.50 010331002 MSHOALS AL 3.40 000065001 Barrie ON 3.40 000061502 Kitchener ON 3.40 000061402 Brantford ON 3.40 000061302 St. Catharines ON 3.40 000060512 Hamilton Downtown ON 3.40 000060424 Toronto Downtown ON 3.30 050350005 MARION AR 3.30 000060204 Windsor Downtown ON 3.20 000054703 Bécancour (Aréna) QC 3.20 000051501 Zéphirin QC 3.20 000050801 Ursulines QC 3.10 000065801 Chatham ON 3.10 000065301 Port Stanley ON 3.10 000061004 Sarnia ON 3.10 000060903 London ON 3.00 000061201 Cornwall ON 3.00 000054501 L'Assomption QC 3.00 000054401 Saint-Anicet QC 3.00 000052301 Saint-Faustin QC 2.50 080410017 Colorado College CO 2.50 080310013 Denver - NJH - 14th Ave. & Albion St. CO 2.50 080310002 Denver - CAMP - 2105 Broadway CO 2.50 080010006 Commerce City - 7101 Birch St. CO 2.50 000065401 Belleville ON 2.50 000061104 Peterborough ON 2.30 061010003 Yuba City CA 2.30 060890007 Anderson CA 2.30 060570005 Grass Valley CA 2.30 060210002 Willows - E. Laurel Street CA 2.30 060074001 Gridley CA 2.30 060070002 Chico - Manzanita CA 2.30 000065701 Morrisburg ON 2.30 000060303 Kingston ON 2.20 080770017 Grand Junction - Powell Building CO 2.20 060990005 Modesto - 14th Street CA 2.20 060431001 Yosemite Village - Visitor Center CA 2.20 060090001 San Andreas CA 2.00 061070009 Sequoia/Kings Canyon - Ash Mountain CA 2.00 060271018 Lone Pine Paiute/Shoshone Tribe-CA 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 1.50 060639901 Quincy BAM CA 1.50 060571001 Truckee BAM CA 1.50 000094301 Cold Lake South AB 1.40 000090601 Fort Saskatchewan AB 1.40 000090130 Edmonton Central AB 1.40 000090121 Edmonton East AB 1.40 000090120 Edmonton South AB 1.40 000060104 Ottawa ON 1.30 060271023 Bishop Paiute Tribe-CA CA 1.30 000091901 Caroline AB 1.30 000090402 Medicine Hat - Crescent Hts AB 1.30 000090302 Red Deer AB 1.30 000090222 Calgary Northwest AB 1.30 000090218 Calgary East AB 1.30 000063701 Grand Bend ON 1.30 000062501 Tiverton ON 1.20 000065201 Parry Sound ON 1.20 000062001 North Bay ON 1.20 000060709 Sault Ste Marie ON 1.20 000060609 Sudbury ON 1.10 000091101 Elk Island AB 1.10 000063301 Dorset ON 1.00 000090502 Lethbridge AB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)