Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.74 000090130 Edmonton Central AB 0.73 010735003 CORNER AL 0.71 000090121 Edmonton East AB 0.68 000090120 Edmonton South AB 0.66 010732006 HOOVER AL 0.65 010731010 LEEDS AL 0.65 010731009 PROVIDENCE AL 0.64 010735002 PINSON AL 0.64 000090601 Fort Saskatchewan AB 0.63 000094301 Cold Lake South AB 0.62 010731005 MCADORY AL 0.60 000061004 Sarnia ON 0.59 000060204 Windsor Downtown ON 0.58 010732003 WYLAM AL 0.56 000065801 Chatham ON 0.54 000065301 Port Stanley ON Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences >30 and Corr > 0.5 0.92 010735003 CORNER AL 0.90 000090121 Edmonton East AB 0.89 000090601 Fort Saskatchewan AB 0.88 010735002 PINSON AL 0.88 010731010 LEEDS AL 0.86 000090130 Edmonton Central AB 0.83 040134010 Dysart AZ 0.83 000090120 Edmonton South AB 0.80 010732006 HOOVER AL 0.80 000094301 Cold Lake South AB 0.75 010731009 PROVIDENCE AL 0.74 000065801 Chatham ON 0.73 010731005 MCADORY AL 0.72 000061004 Sarnia ON 0.71 000065301 Port Stanley ON 0.71 000060204 Windsor Downtown ON 0.70 051390006 El Dorado AR 0.69 051190007 PARR AR 0.66 060190008 Fresno - 1st Street CA 0.65 040191034 Coachline AZ 0.64 050350005 MARION AR 0.63 010331002 MSHOALS AL 0.62 010730023 NO. BHAM AL 0.61 080310013 Denver - NJH - 14th Ave. & Albion St. CO 0.60 051430005 SPRNGDLE AR 0.59 060792004 Mesa 2 /Nipomo CA 0.59 010732003 WYLAM AL 0.58 060832004 Lompoc H Street CA 0.57 051191008 ADEQ-DSR AR 0.56 000060424 Toronto Downtown ON 0.56 000020401 SOUTHAMPTON PE 0.55 060650012 Banning - South Hathaway Street CA 0.55 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 0.55 000090218 Calgary East AB 0.53 000091101 Elk Island AB #coincidences 10-30 and Corr > 0.5 0.75 000060903 London ON 0.61 000061302 St. Catharines ON Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 32.00 000030310 SYDNEY NS 26.40 000020401 SOUTHAMPTON PE 22.40 000020301 WELLINGTON PE 22.10 000010401 Mount Pearl NF 21.60 000020104 CHARLOTTETOWN PE 12.20 000041302 BATHURST NB 8.10 000040901 ST ANDREWS NB 6.30 000040207 SAINT JOHN WEST NB 6.30 000040203 FOREST HILLS NB 4.60 000061201 Cornwall ON 4.00 000065701 Morrisburg ON 3.00 060831008 Santa Maria - Broadway CA 3.00 000065001 Barrie ON 2.00 000065401 Belleville ON 1.80 000065201 Parry Sound ON 1.50 000060424 Toronto Downtown ON 1.40 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 1.40 000054401 Saint-Anicet QC 1.20 060832004 Lompoc H Street CA 1.10 000065801 Chatham ON 0.60 000065301 Port Stanley ON #coincidences 10-30 and Corr > 0.5 17.80 000030701 AYLESFORD MOUNTAIN NS 15.80 000040302 MONCTON NB 9.50 000040209 CASTLE ST. SAINT JO NB 4.10 000052301 Saint-Faustin QC 3.10 000061104 Peterborough ON 3.00 000060104 Ottawa ON 2.40 000061402 Brantford ON 2.40 000060512 Hamilton Downtown ON 2.20 000060609 Sudbury ON 1.80 000060903 London ON 1.20 000061302 St. Catharines ON 1.20 000040103 FREDERICTON NB Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 18.00 000030310 SYDNEY NS 11.90 000010401 Mount Pearl NF 9.60 000020401 SOUTHAMPTON PE 9.50 000041302 BATHURST NB 8.30 000020301 WELLINGTON PE 7.60 000040203 FOREST HILLS NB 7.60 000020104 CHARLOTTETOWN PE 4.80 000040207 SAINT JOHN WEST NB 4.10 060832004 Lompoc H Street CA 3.90 000061201 Cornwall ON 3.70 060530002 Unknown CA 3.50 060831008 Santa Maria - Broadway CA 3.50 060690002 Unknown CA 3.30 000065001 Barrie ON 3.30 000054401 Saint-Anicet QC 3.10 060870007 Unknown CA 2.90 000065701 Morrisburg ON 2.80 000040901 ST ANDREWS NB 2.60 000065401 Belleville ON 2.40 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 2.10 000060303 Kingston ON 1.90 000065301 Port Stanley ON 1.70 060870003 Unknown CA 1.70 000065801 Chatham ON 1.70 000054501 L'Assomption QC 1.60 000065201 Parry Sound ON 1.50 060850002 Gilory - 9th Street CA 1.50 000060424 Toronto Downtown ON 1.20 061113001 El Rio - Rio Mesa School #2 CA 1.20 000060204 Windsor Downtown ON 0.90 060970003 Santa Rosa - 5th Street CA 0.60 040191030 Green Valley AZ #coincidences 10-30 and Corr > 0.5 8.50 000030701 AYLESFORD MOUNTAIN NS 6.20 000040302 MONCTON NB 5.30 000040209 CASTLE ST. SAINT JO NB 3.20 060832011 GOLETA CA 3.10 000060903 London ON 3.10 000040103 FREDERICTON NB 3.00 000063301 Dorset ON 2.90 000060104 Ottawa ON 2.80 000061104 Peterborough ON 2.80 000052301 Saint-Faustin QC 2.70 000060609 Sudbury ON 2.40 000051501 Zéphirin QC 2.30 000061302 St. Catharines ON 2.00 000061402 Brantford ON 1.80 000061502 Kitchener ON 1.60 000062001 North Bay ON 1.60 000060512 Hamilton Downtown ON Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 380.20 061130004 Davis CA 300.70 060410003 Point Reyes CA 176.80 060530002 Unknown CA 140.80 060870003 Unknown CA 118.70 061010003 Yuba City CA 118.50 061072002 Visalia - N. Church Street CA 99.60 060670011 Elk Grove CA 97.20 060190008 Fresno - 1st Street CA 94.20 060771002 Stockton - Hazelton Street CA 88.50 060310004 Corcoran CA 73.90 060070002 Chico - Manzanita CA 69.80 060990005 Modesto - 14th Street CA 68.10 061070009 Sequoia/Kings Canyon - Ash Mountain CA 66.50 060690002 Unknown CA 66.00 060250005 Calexico - Ethel Street CA 65.20 060290014 Bakersfield - 5558 California Ave CA 64.80 060639901 Quincy BAM CA 64.40 060210002 Willows - E. Laurel Street CA 55.10 060670010 Sacramento - T Street CA 46.50 060890007 Anderson CA 46.20 060670006 Sacramento - Del Paso Manor CA 42.20 060610006 Roseville - N.Sunrise/Douglas CA 36.30 060371103 Los Angeles - N. Main Street CA 35.80 060090001 San Andreas CA 35.30 060658001 Riverside - Rubidoux CA 33.80 060371002 Burbank - W. Palm Ave CA 33.50 060371201 Reseda CA 32.80 060711004 Upland CA 32.80 060374002 North Long Beach CA 32.30 000090302 Red Deer AB 31.40 000090601 Fort Saskatchewan AB 31.20 060651003 Riverside - Magnolia CA 30.60 060870007 Unknown CA 30.50 069999921 EBAM12 - Sac T CA 30.40 060590007 Anaheim CA 29.70 061131003 Woodland CA 29.50 060959999 Rio Vista CA 28.10 060731010 San Diego - Beardsley Street CA 27.80 040139812 Durango AZ 27.10 060731002 Escondido CA 27.00 000090130 Edmonton Central AB 26.70 000090121 Edmonton East AB 26.40 000090120 Edmonton South AB 25.80 060271023 Bishop Paiute Tribe-CA CA 25.60 060953002 Vacaville CA 25.10 000090218 Calgary East AB 24.30 040191030 Green Valley AZ 24.30 000090502 Lethbridge AB 24.00 060675003 Sloughhouse CA 23.90 040130019 West Phoenix AZ 23.20 060370016 Glendora - Laurel CA 23.10 060950004 Vallejo - 304 Tuolumne Street CA 21.90 060410001 San Rafael CA 21.90 000090222 Calgary Northwest AB 21.80 040134003 South Phoenix AZ 21.70 060010007 Livermore - Rincon CA 21.20 040191113 Geronimo AZ 20.90 060550003 Napa - Jefferson St CA 20.50 010970003 CHICK. AL 20.10 060811001 Redwood City CA 20.00 060850005 San Jose - Jackson St. CA 19.50 061111004 Ojai - Ojai Ave. CA 19.50 060376012 Santa Clarita CA 19.40 060431001 Yosemite Village - Visitor Center CA 19.00 060731008 Camp Pendleton CA 18.60 060012004 Berkeley CA 18.50 060679991 Rancho Seco CA 18.30 060650012 Banning - South Hathaway Street CA 18.20 000040801 CANTERBURY NB 18.10 060710005 Lake Gregory - Crestline CA 18.00 060571001 Truckee BAM CA 17.90 060750005 San Francisco - Arkansas Street CA 17.50 060798001 Atascadero CA 17.40 060830011 Santa Barbara CA 17.40 060010011 Oakland West CA 17.10 060659001 Lake Elsinore - W. Flint Street CA 16.60 061112002 Simi Valley - Cochran Street CA 16.10 040191032 Rose Elementary AZ 16.00 060970003 Santa Rosa - 5th Street CA 15.70 011011002 MONTG AL 15.10 061110007 Thousand Oaks - Moorpark Road CA 14.80 060670012 Folsom CA 14.80 040139998 Vehicle Emissions Laboratory AZ 14.70 061110009 Piru - Pacific CA 14.70 060850002 Gilory - 9th Street CA 14.70 060072001 Paradise - Birch Street CA 14.20 010732003 WYLAM AL 14.00 060731006 Alpine CA 13.90 000050801 Ursulines QC 13.80 051191008 ADEQ-DSR AR 13.80 010730023 NO. BHAM AL 13.70 061113001 El Rio - Rio Mesa School #2 CA 13.50 010331002 MSHOALS AL 13.40 040138005 Estrella AZ 12.90 000091101 Elk Island AB 12.90 000054703 Bécancour (Aréna) QC 12.80 040191034 Coachline AZ 12.80 010731010 LEEDS AL 12.70 000094301 Cold Lake South AB 11.80 051190007 PARR AR 11.70 051430005 SPRNGDLE AR 11.70 010732006 HOOVER AL 11.40 080310013 Denver - NJH - 14th Ave. & Albion St. CO 11.20 080770017 Grand Junction - Powell Building CO 11.10 080310025 Denver Animal Shelter - 678 S. Jason St. CO 11.10 060832004 Lompoc H Street CA 11.10 010731005 MCADORY AL 10.40 010735003 CORNER AL 10.30 010735002 PINSON AL 10.30 000054501 L'Assomption QC 10.30 000030310 SYDNEY NS 10.00 051390006 El Dorado AR 9.80 010731009 PROVIDENCE AL 9.60 050350005 MARION AR 9.50 080410017 Colorado College CO 9.50 040134010 Dysart AZ 9.40 000041302 BATHURST NB 9.20 000061004 Sarnia ON 8.70 060831008 Santa Maria - Broadway CA 8.50 060792004 Mesa 2 /Nipomo CA 7.80 080350004 Chatfield Park - 11500 N. Roxborough Par CO 7.70 000010401 Mount Pearl NF 7.50 000060424 Toronto Downtown ON 7.50 000060303 Kingston ON 7.50 000060204 Windsor Downtown ON 7.30 080010006 Commerce City - 7101 Birch St. CO 7.20 000040203 FOREST HILLS NB 7.10 000054401 Saint-Anicet QC 6.90 000020104 CHARLOTTETOWN PE 6.80 000065301 Port Stanley ON 6.60 060570005 Grass Valley CA 6.30 080310002 Denver - CAMP - 2105 Broadway CO 6.10 000020301 WELLINGTON PE 6.00 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 5.90 000065801 Chatham ON 5.80 000065001 Barrie ON 5.70 000040207 SAINT JOHN WEST NB 5.60 000065401 Belleville ON 5.00 000040901 ST ANDREWS NB 4.90 000020401 SOUTHAMPTON PE 4.60 000061201 Cornwall ON 3.40 000065201 Parry Sound ON 3.10 000065701 Morrisburg ON #coincidences 10-30 and Corr > 0.5 38.60 060074001 Gridley CA 14.30 000091901 Caroline AB 12.30 060832011 GOLETA CA 12.10 000051501 Zéphirin QC 9.20 000063701 Grand Bend ON 8.60 000061502 Kitchener ON 8.30 080131001 Boulder - CU - 2102 Athens St. CO 8.20 000040103 FREDERICTON NB 7.80 000061302 St. Catharines ON 7.20 080130003 Longmont CO 6.90 000040302 MONCTON NB 6.80 000061402 Brantford ON 6.70 000040209 CASTLE ST. SAINT JO NB 6.60 000062501 Tiverton ON 6.50 000060512 Hamilton Downtown ON 6.00 000063301 Dorset ON 5.50 000060903 London ON 5.20 000030701 AYLESFORD MOUNTAIN NS 4.60 000061104 Peterborough ON 4.60 000060104 Ottawa ON 4.30 000052301 Saint-Faustin QC 4.10 000062001 North Bay ON 3.70 000060709 Sault Ste Marie ON 3.20 000060609 Sudbury ON Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 32.10 000010401 Mount Pearl NF 26.60 060870007 Unknown CA 26.60 060850002 Gilory - 9th Street CA 26.60 060690002 Unknown CA 26.60 060530002 Unknown CA 16.20 061113001 El Rio - Rio Mesa School #2 CA 16.20 061111004 Ojai - Ojai Ave. CA 16.20 060832011 GOLETA CA 16.20 060832004 Lompoc H Street CA 16.20 060831008 Santa Maria - Broadway CA 16.20 060830011 Santa Barbara CA 15.80 069999921 EBAM12 - Sac T CA 15.80 061131003 Woodland CA 15.80 061130004 Davis CA 15.80 060970003 Santa Rosa - 5th Street CA 15.80 060959999 Rio Vista CA 15.80 060953002 Vacaville CA 15.80 060950004 Vallejo - 304 Tuolumne Street CA 15.80 060870003 Unknown CA 15.80 060850005 San Jose - Jackson St. CA 15.80 060811001 Redwood City CA 15.80 060771002 Stockton - Hazelton Street CA 15.80 060750005 San Francisco - Arkansas Street CA 15.80 060679991 Rancho Seco CA 15.80 060675003 Sloughhouse CA 15.80 060670012 Folsom CA 15.80 060670011 Elk Grove CA 15.80 060670010 Sacramento - T Street CA 15.80 060670006 Sacramento - Del Paso Manor CA 15.80 060610006 Roseville - N.Sunrise/Douglas CA 15.80 060550003 Napa - Jefferson St CA 15.80 060410003 Point Reyes CA 15.80 060410001 San Rafael CA 15.80 060012004 Berkeley CA 15.80 060010011 Oakland West CA 15.80 060010007 Livermore - Rincon CA 15.10 060650012 Banning - South Hathaway Street CA 11.60 000030310 SYDNEY NS 11.40 061072002 Visalia - N. Church Street CA 11.40 060798001 Atascadero CA 11.40 060792004 Mesa 2 /Nipomo CA 11.40 060310004 Corcoran CA 11.40 060290014 Bakersfield - 5558 California Ave CA 11.40 060190008 Fresno - 1st Street CA 10.70 000020401 SOUTHAMPTON PE 9.80 010970003 CHICK. AL 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 060590007 Anaheim 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 7.30 060731006 Alpine CA 7.30 060250005 Calexico - Ethel Street CA 6.80 060731010 San Diego - Beardsley Street CA 6.60 040139998 Vehicle Emissions Laboratory AZ 6.60 040139812 Durango AZ 6.60 040138005 Estrella AZ 6.60 040134010 Dysart AZ 6.60 040134003 South Phoenix AZ 6.60 040130019 West Phoenix AZ 6.40 040191113 Geronimo AZ 6.40 040191032 Rose Elementary AZ 6.40 040191030 Green Valley AZ 6.10 000061201 Cornwall ON 6.10 000054501 L'Assomption QC 6.10 000054401 Saint-Anicet QC 6.10 000052301 Saint-Faustin QC 6.00 000065801 Chatham ON 6.00 000065301 Port Stanley ON 6.00 000061004 Sarnia ON 6.00 000060903 London ON 5.90 040191034 Coachline AZ 5.60 000065701 Morrisburg ON 5.60 000060303 Kingston ON 5.50 000065401 Belleville ON 5.50 000061104 Peterborough ON 5.20 000065001 Barrie ON 5.20 000061502 Kitchener ON 5.20 000061402 Brantford ON 5.20 000061302 St. Catharines ON 5.20 000060512 Hamilton Downtown ON 5.20 000060424 Toronto Downtown ON 5.00 011011002 MONTG AL 5.00 000040302 MONCTON NB 5.00 000030701 AYLESFORD MOUNTAIN NS 5.00 000020301 WELLINGTON PE 5.00 000020104 CHARLOTTETOWN PE 4.90 060990005 Modesto - 14th Street CA 4.90 060431001 Yosemite Village - Visitor Center CA 4.90 060090001 San Andreas CA 4.80 061070009 Sequoia/Kings Canyon - Ash Mountain CA 4.80 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 4.80 010735003 CORNER AL 4.80 010735002 PINSON AL 4.80 010732006 HOOVER AL 4.80 010732003 WYLAM AL 4.80 010731010 LEEDS AL 4.80 010730023 NO. BHAM AL 4.80 000060204 Windsor Downtown ON 4.40 010731009 PROVIDENCE AL 4.40 010731005 MCADORY AL 4.40 010331002 MSHOALS AL 4.20 000054703 Bécancour (Aréna) QC 4.20 000051501 Zéphirin QC 4.20 000050801 Ursulines QC 3.80 051390006 El Dorado AR 3.80 051191008 ADEQ-DSR AR 3.80 051190007 PARR AR 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 3.60 000060104 Ottawa ON 3.40 080310025 Denver Animal Shelter - 678 S. Jason St. CO 3.40 080310013 Denver - NJH - 14th Ave. & Albion St. CO 3.40 080310002 Denver - CAMP - 2105 Broadway CO 3.40 080010006 Commerce City - 7101 Birch St. CO 3.40 050350005 MARION AR 3.40 000040901 ST ANDREWS NB 3.40 000040801 CANTERBURY NB 3.30 000040209 CASTLE ST. SAINT JO NB 3.30 000040207 SAINT JOHN WEST NB 3.30 000040203 FOREST HILLS NB 3.30 000040103 FREDERICTON NB 3.20 000041302 BATHURST NB 2.90 000063701 Grand Bend ON 2.90 000062501 Tiverton ON 2.80 080770017 Grand Junction - Powell Building CO 2.70 060271023 Bishop Paiute Tribe-CA CA 2.60 080410017 Colorado College CO 2.50 000091901 Caroline AB 2.50 000090302 Red Deer AB 2.50 000090222 Calgary Northwest AB 2.50 000090218 Calgary East AB 2.50 000063301 Dorset ON 2.40 051430005 SPRNGDLE AR 2.10 080350004 Chatfield Park - 11500 N. Roxborough Par CO 2.10 080131001 Boulder - CU - 2102 Athens St. CO 2.10 080130003 Longmont CO 2.00 000065201 Parry Sound ON 2.00 000062001 North Bay ON 2.00 000060609 Sudbury ON 1.80 060639901 Quincy BAM CA 1.80 060571001 Truckee BAM CA 1.70 000090601 Fort Saskatchewan AB 1.70 000090130 Edmonton Central AB 1.70 000090121 Edmonton East AB 1.70 000090120 Edmonton South AB 1.70 000060709 Sault Ste Marie ON 1.10 000094301 Cold Lake South AB 0.90 000091101 Elk Island AB 0.70 000090502 Lethbridge AB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)