Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.77 000054501 L'Assomption QC 0.74 000060104 Ottawa ON 0.69 000065201 Parry Sound ON 0.65 000065701 Morrisburg ON 0.61 000060303 Kingston ON 0.60 000090601 Fort Saskatchewan AB 0.59 010735002 PINSON AL 0.59 000090218 Calgary East AB 0.59 000062501 Tiverton ON 0.58 010735003 CORNER AL 0.58 000061201 Cornwall ON 0.57 000052301 Saint-Faustin QC 0.56 000090130 Edmonton Central AB 0.56 000065401 Belleville ON 0.56 000061104 Peterborough ON 0.54 010731010 LEEDS AL 0.52 000090121 Edmonton East AB 0.51 000065301 Port Stanley ON #coincidences 10-30 and Corr > 0.5 0.69 000062001 North Bay ON Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences >30 and Corr > 0.5 0.86 051430005 SPRNGDLE AR 0.84 000090218 Calgary East AB 0.84 000054501 L'Assomption QC 0.78 000090601 Fort Saskatchewan AB 0.74 060530002 Unknown CA 0.70 000090130 Edmonton Central AB 0.70 000090121 Edmonton East AB 0.66 000090222 Calgary Northwest AB 0.63 010732003 WYLAM AL 0.63 010731009 PROVIDENCE AL 0.61 051390006 El Dorado AR 0.61 010735003 CORNER AL 0.61 000090120 Edmonton South AB 0.58 000061004 Sarnia ON 0.57 000020301 WELLINGTON PE 0.55 080310013 Denver - NJH - 14th Ave. & Albion St. CO 0.55 000094301 Cold Lake South AB 0.53 060831008 Santa Maria - Broadway CA 0.53 010732006 HOOVER AL 0.52 010731005 MCADORY AL 0.50 010731010 LEEDS AL #coincidences 10-30 and Corr > 0.5 0.97 000062001 North Bay ON 0.88 000065201 Parry Sound ON 0.84 000065701 Morrisburg ON 0.79 000063301 Dorset ON 0.79 000061201 Cornwall ON 0.78 000090402 Medicine Hat - Crescent Hts AB 0.72 000091101 Elk Island AB 0.69 060690002 Unknown CA 0.67 040138005 Estrella AZ 0.66 060850002 Gilory - 9th Street CA 0.65 060850005 San Jose - Jackson St. CA 0.64 010735002 PINSON AL 0.63 000052301 Saint-Faustin QC 0.61 060798001 Atascadero CA 0.60 000020401 SOUTHAMPTON PE 0.59 000061104 Peterborough ON 0.57 000062501 Tiverton ON 0.52 000065801 Chatham ON 0.51 060792004 Mesa 2 /Nipomo CA 0.50 000065301 Port Stanley ON Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 59.20 000010401 Mount Pearl NF 39.00 000030310 SYDNEY NS 15.90 000020301 WELLINGTON PE 13.10 000020104 CHARLOTTETOWN PE 9.00 000041302 BATHURST NB 6.60 060832004 Lompoc H Street CA 4.00 060831008 Santa Maria - Broadway CA 3.70 061111004 Ojai - Ojai Ave. CA #coincidences 10-30 and Corr > 0.5 25.10 000020401 SOUTHAMPTON PE 17.80 000040302 MONCTON NB 12.20 060650012 Banning - South Hathaway Street CA 8.90 061113001 El Rio - Rio Mesa School #2 CA 4.50 060870003 Unknown CA 2.40 040138005 Estrella AZ 2.00 000065001 Barrie ON 1.70 060659001 Lake Elsinore - W. Flint Street CA 1.50 060670011 Elk Grove CA 1.20 060370016 Glendora - Laurel CA 1.10 000040103 FREDERICTON NB 1.00 000040901 ST ANDREWS NB 0.90 000052301 Saint-Faustin QC 0.80 000040207 SAINT JOHN WEST NB 0.70 000060424 Toronto Downtown ON 0.50 000061302 St. Catharines ON Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 31.70 000030310 SYDNEY NS 29.70 000010401 Mount Pearl NF 8.10 000020301 WELLINGTON PE 6.70 000020104 CHARLOTTETOWN PE 6.20 000041302 BATHURST NB 4.20 040134010 Dysart AZ 3.90 060832004 Lompoc H Street CA 3.20 060831008 Santa Maria - Broadway CA 3.20 040139998 Vehicle Emissions Laboratory AZ 3.10 060832011 GOLETA CA 2.80 040139812 Durango AZ 2.60 040134003 South Phoenix AZ 2.40 060530002 Unknown CA 2.30 040130019 West Phoenix AZ 1.90 061111004 Ojai - Ojai Ave. CA 1.60 060830011 Santa Barbara CA 0.80 040191030 Green Valley AZ 0.50 061110009 Piru - Pacific CA #coincidences 10-30 and Corr > 0.5 19.10 000020401 SOUTHAMPTON PE 12.70 000040302 MONCTON NB 6.60 060650012 Banning - South Hathaway Street CA 4.80 060690002 Unknown CA 3.90 060370016 Glendora - Laurel CA 3.80 061113001 El Rio - Rio Mesa School #2 CA 3.70 060870007 Unknown CA 2.70 060870003 Unknown CA 2.70 060731002 Escondido CA 2.50 061110007 Thousand Oaks - Moorpark Road CA 2.50 000061104 Peterborough ON 1.80 060659001 Lake Elsinore - W. Flint Street CA 1.70 060850002 Gilory - 9th Street CA 1.60 000061201 Cornwall ON 1.60 000052301 Saint-Faustin QC 1.40 040138005 Estrella AZ 1.20 000040103 FREDERICTON NB 1.10 000061402 Brantford ON 1.10 000040207 SAINT JOHN WEST NB 0.80 060792004 Mesa 2 /Nipomo CA 0.80 060731010 San Diego - Beardsley Street CA 0.80 060012004 Berkeley CA 0.80 000065401 Belleville ON 0.80 000061502 Kitchener ON 0.80 000061302 St. Catharines ON 0.80 000040901 ST ANDREWS NB 0.60 060850005 San Jose - Jackson St. CA 0.50 000060424 Toronto Downtown ON Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 143.10 060832011 GOLETA CA 108.00 060250005 Calexico - Ethel Street CA 102.00 060771002 Stockton - Hazelton Street CA 96.80 061130004 Davis CA 95.60 060431001 Yosemite Village - Visitor Center CA 91.40 060610006 Roseville - N.Sunrise/Douglas CA 73.90 060290014 Bakersfield - 5558 California Ave CA 71.10 060070002 Chico - Manzanita CA 62.60 060530002 Unknown CA 61.30 061070009 Sequoia/Kings Canyon - Ash Mountain CA 59.50 060639901 Quincy BAM CA 46.40 060990005 Modesto - 14th Street CA 40.60 060830011 Santa Barbara CA 39.50 040191034 Coachline AZ 33.00 061010003 Yuba City CA 32.80 060670010 Sacramento - T Street CA 31.20 000090120 Edmonton South AB 29.20 000090121 Edmonton East AB 28.70 000090130 Edmonton Central AB 26.60 060074001 Gridley CA 25.80 000090302 Red Deer AB 25.30 080310013 Denver - NJH - 14th Ave. & Albion St. CO 24.70 000054401 Saint-Anicet QC 24.60 060550003 Napa - Jefferson St CA 24.50 060711004 Upland CA 24.10 060371002 Burbank - W. Palm Ave CA 23.20 060571001 Truckee BAM CA 22.50 010970003 CHICK. AL 21.50 060890007 Anderson CA 20.80 000090222 Calgary Northwest AB 20.70 060953002 Vacaville CA 20.70 000090601 Fort Saskatchewan AB 20.10 061131003 Woodland CA 19.60 080310002 Denver - CAMP - 2105 Broadway CO 18.50 069999921 EBAM12 - Sac T CA 18.50 060710005 Lake Gregory - Crestline CA 18.40 000090218 Calgary East AB 18.40 000040801 CANTERBURY NB 18.30 010730023 NO. BHAM AL 17.90 040191113 Geronimo AZ 17.60 060970003 Santa Rosa - 5th Street CA 17.00 060271023 Bishop Paiute Tribe-CA CA 16.70 040134003 South Phoenix AZ 16.50 060410001 San Rafael CA 16.50 060010007 Livermore - Rincon CA 15.80 060651003 Riverside - Magnolia CA 15.00 060950004 Vallejo - 304 Tuolumne Street CA 14.90 000054501 L'Assomption QC 14.80 060658001 Riverside - Rubidoux CA 14.70 040139812 Durango AZ 14.60 060811001 Redwood City CA 14.20 040130019 West Phoenix AZ 14.10 010732003 WYLAM AL 13.80 080131001 Boulder - CU - 2102 Athens St. CO 13.50 060376012 Santa Clarita CA 13.40 011011002 MONTG AL 13.40 010732006 HOOVER AL 13.40 010731010 LEEDS AL 12.40 000054703 Bécancour (Aréna) QC 12.30 060959999 Rio Vista CA 12.30 051190007 PARR AR 12.20 061112002 Simi Valley - Cochran Street CA 12.20 040191032 Rose Elementary AZ 12.10 080010006 Commerce City - 7101 Birch St. CO 12.10 051191008 ADEQ-DSR AR 11.80 040139998 Vehicle Emissions Laboratory AZ 11.20 010731005 MCADORY AL 11.10 080410017 Colorado College CO 11.10 051390006 El Dorado AR 11.10 010331002 MSHOALS AL 11.00 051430005 SPRNGDLE AR 11.00 000061004 Sarnia ON 10.80 060010011 Oakland West CA 10.50 050350005 MARION AR 10.40 010735003 CORNER AL 10.40 000010401 Mount Pearl NF 10.30 061110009 Piru - Pacific CA 10.30 000094301 Cold Lake South AB 10.10 061111004 Ojai - Ojai Ave. CA 9.80 060670012 Folsom CA 9.70 000020104 CHARLOTTETOWN PE 9.60 000050801 Ursulines QC 9.50 010731009 PROVIDENCE AL 9.20 060750005 San Francisco - Arkansas Street CA 8.70 060090001 San Andreas CA 8.60 000030310 SYDNEY NS 8.50 040134010 Dysart AZ 7.80 060831008 Santa Maria - Broadway CA 7.50 060832004 Lompoc H Street CA 6.90 000020301 WELLINGTON PE 6.30 040191030 Green Valley AZ 6.00 000041302 BATHURST NB 5.20 060570005 Grass Valley CA 4.50 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA #coincidences 10-30 and Corr > 0.5 903.50 060410003 Point Reyes CA 176.30 061072002 Visalia - N. Church Street CA 86.80 060870007 Unknown CA 65.30 060310004 Corcoran CA 49.20 060190008 Fresno - 1st Street CA 45.40 060690002 Unknown CA 35.50 060731002 Escondido CA 27.50 060371201 Reseda CA 23.80 060670006 Sacramento - Del Paso Manor CA 22.60 060371103 Los Angeles - N. Main Street CA 18.10 060731010 San Diego - Beardsley Street CA 17.40 060210002 Willows - E. Laurel Street CA 17.20 060798001 Atascadero CA 16.70 060374002 North Long Beach CA 16.10 060675003 Sloughhouse CA 16.00 060731008 Camp Pendleton CA 15.80 060012004 Berkeley CA 14.90 000051501 Zéphirin QC 14.10 060679991 Rancho Seco CA 13.60 060850002 Gilory - 9th Street CA 13.50 000060303 Kingston ON 12.90 060850005 San Jose - Jackson St. CA 12.90 060650012 Banning - South Hathaway Street CA 12.40 000063701 Grand Bend ON 12.30 000090402 Medicine Hat - Crescent Hts AB 11.50 000040103 FREDERICTON NB 11.10 000060204 Windsor Downtown ON 10.90 000061502 Kitchener ON 10.70 010735002 PINSON AL 10.60 000065701 Morrisburg ON 10.30 000060512 Hamilton Downtown ON 10.20 000090502 Lethbridge AB 10.20 000065401 Belleville ON 10.10 000065301 Port Stanley ON 10.10 000060903 London ON 9.90 000065801 Chatham ON 9.90 000061302 St. Catharines ON 9.90 000061201 Cornwall ON 9.70 000060424 Toronto Downtown ON 9.60 000061402 Brantford ON 9.50 061110007 Thousand Oaks - Moorpark Road CA 9.30 000061104 Peterborough ON 8.70 000062001 North Bay ON 8.60 060670011 Elk Grove CA 8.60 000062501 Tiverton ON 8.50 060370016 Glendora - Laurel CA 8.40 000065001 Barrie ON 8.30 040138005 Estrella AZ 8.20 000063301 Dorset ON 8.10 000065201 Parry Sound ON 8.00 000060709 Sault Ste Marie ON 7.90 000060609 Sudbury ON 7.50 060659001 Lake Elsinore - W. Flint Street CA 7.40 000040207 SAINT JOHN WEST NB 7.10 080350004 Chatfield Park - 11500 N. Roxborough Par CO 7.10 080130003 Longmont CO 7.10 000052301 Saint-Faustin QC 7.00 061113001 El Rio - Rio Mesa School #2 CA 6.60 000091901 Caroline AB 5.30 000040302 MONCTON NB 5.20 000040901 ST ANDREWS NB 5.10 000091101 Elk Island AB 5.00 060870003 Unknown CA 4.20 000020401 SOUTHAMPTON PE 4.10 060792004 Mesa 2 /Nipomo CA Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 16.60 000030310 SYDNEY NS 11.90 011011002 MONTG AL 11.90 000010401 Mount Pearl NF 10.40 061113001 El Rio - Rio Mesa School #2 CA 10.40 061111004 Ojai - Ojai Ave. CA 10.40 060832011 GOLETA CA 10.40 060832004 Lompoc H Street CA 10.40 060831008 Santa Maria - Broadway CA 10.40 060830011 Santa Barbara CA 9.90 061112002 Simi Valley - Cochran Street CA 9.90 061110009 Piru - Pacific CA 9.90 061110007 Thousand Oaks - Moorpark Road CA 9.90 060731008 Camp Pendleton CA 9.90 060731002 Escondido CA 9.90 060711004 Upland CA 9.90 060710005 Lake Gregory - Crestline CA 9.90 060659001 Lake Elsinore - W. Flint Street CA 9.90 060658001 Riverside - Rubidoux CA 9.90 060651003 Riverside - Magnolia CA 9.90 060590007 Anaheim CA 9.90 060376012 Santa Clarita CA 9.90 060374002 North Long Beach CA 9.90 060371201 Reseda CA 9.90 060371103 Los Angeles - N. Main Street CA 9.90 060371002 Burbank - W. Palm Ave CA 9.90 060370016 Glendora - Laurel CA 8.50 000020401 SOUTHAMPTON PE 8.10 010970003 CHICK. AL 7.60 060650012 Banning - South Hathaway Street CA 7.50 010735003 CORNER AL 7.50 010735002 PINSON AL 7.50 010732006 HOOVER AL 7.50 010732003 WYLAM AL 7.50 010731010 LEEDS AL 7.50 010730023 NO. BHAM AL 7.20 051390006 El Dorado AR 7.20 051191008 ADEQ-DSR AR 7.20 051190007 PARR AR 7.00 000065401 Belleville ON 7.00 000061104 Peterborough ON 6.80 069999921 EBAM12 - Sac T CA 6.80 061131003 Woodland CA 6.80 061130004 Davis CA 6.80 060970003 Santa Rosa - 5th Street CA 6.80 060959999 Rio Vista CA 6.80 060953002 Vacaville CA 6.80 060950004 Vallejo - 304 Tuolumne Street CA 6.80 060870003 Unknown CA 6.80 060850005 San Jose - Jackson St. CA 6.80 060811001 Redwood City CA 6.80 060771002 Stockton - Hazelton Street CA 6.80 060750005 San Francisco - Arkansas Street CA 6.80 060679991 Rancho Seco CA 6.80 060675003 Sloughhouse CA 6.80 060670012 Folsom CA 6.80 060670011 Elk Grove CA 6.80 060670010 Sacramento - T Street CA 6.80 060670006 Sacramento - Del Paso Manor CA 6.80 060610006 Roseville - N.Sunrise/Douglas CA 6.80 060550003 Napa - Jefferson St CA 6.80 060410003 Point Reyes CA 6.80 060410001 San Rafael CA 6.80 060012004 Berkeley CA 6.80 060010011 Oakland West CA 6.80 060010007 Livermore - Rincon CA 6.80 040191034 Coachline AZ 6.80 000061201 Cornwall ON 6.80 000054501 L'Assomption QC 6.80 000054401 Saint-Anicet QC 6.80 000052301 Saint-Faustin QC 6.40 051430005 SPRNGDLE AR 6.30 050350005 MARION AR 6.20 000065001 Barrie ON 6.20 000061502 Kitchener ON 6.20 000061402 Brantford ON 6.20 000061302 St. Catharines ON 6.20 000060512 Hamilton Downtown ON 6.20 000060424 Toronto Downtown ON 5.80 060870007 Unknown CA 5.80 060850002 Gilory - 9th Street CA 5.80 060690002 Unknown CA 5.80 060530002 Unknown CA 5.80 000065701 Morrisburg ON 5.80 000060303 Kingston ON 5.60 061072002 Visalia - N. Church Street CA 5.60 060798001 Atascadero CA 5.60 060792004 Mesa 2 /Nipomo CA 5.60 060310004 Corcoran CA 5.60 060290014 Bakersfield - 5558 California Ave CA 5.60 060190008 Fresno - 1st Street CA 5.30 060250005 Calexico - Ethel Street CA 5.30 010731009 PROVIDENCE AL 5.30 010731005 MCADORY AL 5.30 010331002 MSHOALS AL 5.30 000065801 Chatham ON 5.30 000065301 Port Stanley ON 5.30 000061004 Sarnia ON 5.30 000060903 London ON 5.20 000060104 Ottawa ON 4.90 040139998 Vehicle Emissions Laboratory AZ 4.90 040139812 Durango AZ 4.90 040138005 Estrella AZ 4.90 040134010 Dysart AZ 4.90 040134003 South Phoenix AZ 4.90 040130019 West Phoenix AZ 4.70 000065201 Parry Sound ON 4.70 000062001 North Bay ON 4.70 000060609 Sudbury ON 4.60 000063301 Dorset ON 4.30 060731010 San Diego - Beardsley Street CA 4.10 000060204 Windsor Downtown ON 3.70 061070009 Sequoia/Kings Canyon - Ash Mountain CA 3.70 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 3.50 000054703 Bécancour (Aréna) QC 3.50 000051501 Zéphirin QC 3.50 000050801 Ursulines QC 3.30 061010003 Yuba City CA 3.30 060890007 Anderson CA 3.30 060570005 Grass Valley CA 3.30 060210002 Willows - E. Laurel Street CA 3.30 060074001 Gridley CA 3.30 060070002 Chico - Manzanita CA 3.00 000090601 Fort Saskatchewan AB 3.00 000090130 Edmonton Central AB 3.00 000090121 Edmonton East AB 3.00 000090120 Edmonton South AB 3.00 000063701 Grand Bend ON 3.00 000062501 Tiverton ON 2.80 060990005 Modesto - 14th Street CA 2.80 060431001 Yosemite Village - Visitor Center CA 2.80 060090001 San Andreas CA 2.70 080310013 Denver - NJH - 14th Ave. & Albion St. CO 2.70 080310002 Denver - CAMP - 2105 Broadway CO 2.70 080010006 Commerce City - 7101 Birch St. CO 2.70 000091901 Caroline AB 2.70 000090402 Medicine Hat - Crescent Hts AB 2.70 000090302 Red Deer AB 2.70 000090222 Calgary Northwest AB 2.70 000090218 Calgary East AB 2.60 000090502 Lethbridge AB 2.40 080770017 Grand Junction - Powell Building CO 2.40 060639901 Quincy BAM CA 2.40 060571001 Truckee BAM CA 2.40 000091101 Elk Island AB 2.30 080410017 Colorado College CO 2.30 040191113 Geronimo AZ 2.30 040191032 Rose Elementary AZ 2.30 040191030 Green Valley AZ 2.30 000094301 Cold Lake South AB 2.20 080350004 Chatfield Park - 11500 N. Roxborough Par CO 2.20 080131001 Boulder - CU - 2102 Athens St. CO 2.20 080130003 Longmont CO 1.80 060271023 Bishop Paiute Tribe-CA CA 1.80 000060709 Sault Ste Marie ON 1.80 000040302 MONCTON NB 1.80 000030701 AYLESFORD MOUNTAIN NS 1.80 000020301 WELLINGTON PE 1.80 000020104 CHARLOTTETOWN PE 1.60 000041302 BATHURST NB 1.60 000040901 ST ANDREWS NB 1.60 000040801 CANTERBURY NB 1.50 000040209 CASTLE ST. SAINT JO NB 1.50 000040207 SAINT JOHN WEST NB 1.50 000040203 FOREST HILLS NB 1.50 000040103 FREDERICTON NB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)