Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences 10-30 and Corr > 0.5 0.89 000060903 London ON 0.87 000065701 Morrisburg ON 0.86 000061104 Peterborough ON 0.84 000061004 Sarnia ON 0.83 060832004 Lompoc H Street CA 0.83 060530002 Unknown CA 0.83 000090120 Edmonton South AB 0.83 000060303 Kingston ON 0.82 000060204 Windsor Downtown ON 0.81 000061302 St. Catharines ON 0.80 000061402 Brantford ON 0.79 000061502 Kitchener ON 0.79 000040203 FOREST HILLS NB 0.77 000090601 Fort Saskatchewan AB 0.76 000065401 Belleville ON 0.76 000065201 Parry Sound ON 0.76 000060424 Toronto Downtown ON 0.75 000060512 Hamilton Downtown ON 0.74 000065001 Barrie ON 0.74 000063301 Dorset ON 0.74 000062001 North Bay ON 0.73 000065301 Port Stanley ON 0.72 060850002 Gilory - 9th Street CA 0.72 000062501 Tiverton ON 0.72 000054501 L'Assomption QC 0.72 000051501 Zéphirin QC 0.72 000040801 CANTERBURY NB 0.71 000061201 Cornwall ON 0.71 000060609 Sudbury ON 0.70 060690002 Unknown CA 0.68 000065801 Chatham ON 0.67 060870007 Unknown CA 0.67 000060104 Ottawa ON 0.66 000063701 Grand Bend ON 0.63 000090121 Edmonton East AB 0.60 000090130 Edmonton Central AB 0.59 010970003 CHICK. AL 0.59 000040209 CASTLE ST. SAINT JO NB 0.58 000030701 AYLESFORD MOUNTAIN NS 0.57 060010011 Oakland West CA 0.55 000040103 FREDERICTON NB 0.53 060798001 Atascadero CA 0.52 000052301 Saint-Faustin QC 0.52 000040302 MONCTON NB 0.52 000040207 SAINT JOHN WEST NB 0.51 000040901 ST ANDREWS NB 0.50 060832011 GOLETA CA Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences 10-30 and Corr > 0.5 1.00 000061104 Peterborough ON 0.99 060832004 Lompoc H Street CA 0.99 000090120 Edmonton South AB 0.99 000061004 Sarnia ON 0.99 000060903 London ON 0.99 000060303 Kingston ON 0.98 000062501 Tiverton ON 0.97 000065301 Port Stanley ON 0.97 000061502 Kitchener ON 0.97 000061402 Brantford ON 0.97 000061302 St. Catharines ON 0.97 000060424 Toronto Downtown ON 0.96 060832011 GOLETA CA 0.96 000090121 Edmonton East AB 0.96 000065801 Chatham ON 0.96 000065001 Barrie ON 0.96 000051501 Zéphirin QC 0.96 000040801 CANTERBURY NB 0.95 000063701 Grand Bend ON 0.95 000062001 North Bay ON 0.95 000061201 Cornwall ON 0.95 000060512 Hamilton Downtown ON 0.94 000090601 Fort Saskatchewan AB 0.94 000060609 Sudbury ON 0.93 000065701 Morrisburg ON 0.93 000065201 Parry Sound ON 0.92 060798001 Atascadero CA 0.91 000054501 L'Assomption QC 0.90 080310013 Denver - NJH - 14th Ave. & Albion St. CO 0.90 060731010 San Diego - Beardsley Street CA 0.90 000065401 Belleville ON 0.90 000054401 Saint-Anicet QC 0.90 000040203 FOREST HILLS NB 0.89 000052301 Saint-Faustin QC 0.88 060850002 Gilory - 9th Street CA 0.88 060371002 Burbank - W. Palm Ave CA 0.88 000090302 Red Deer AB 0.88 000063301 Dorset ON 0.86 010732006 HOOVER AL 0.84 000060709 Sault Ste Marie ON 0.82 060590007 Anaheim CA 0.81 060650012 Banning - South Hathaway Street CA 0.80 080010006 Commerce City - 7101 Birch St. CO 0.79 060830011 Santa Barbara CA 0.79 000090130 Edmonton Central AB 0.79 000040209 CASTLE ST. SAINT JO NB 0.77 000091901 Caroline AB 0.77 000030310 SYDNEY NS 0.76 060870007 Unknown CA 0.76 000040103 FREDERICTON NB 0.75 060792004 Mesa 2 /Nipomo CA 0.71 061112002 Simi Valley - Cochran Street CA 0.68 060731008 Camp Pendleton CA 0.68 000040901 ST ANDREWS NB 0.68 000020104 CHARLOTTETOWN PE 0.67 061110007 Thousand Oaks - Moorpark Road CA 0.67 060731002 Escondido CA 0.67 060670010 Sacramento - T Street CA 0.65 000040207 SAINT JOHN WEST NB 0.61 080131001 Boulder - CU - 2102 Athens St. CO 0.60 051430005 SPRNGDLE AR 0.59 061072002 Visalia - N. Church Street CA 0.58 060658001 Riverside - Rubidoux CA 0.58 060410003 Point Reyes CA 0.57 000040302 MONCTON NB 0.56 060670006 Sacramento - Del Paso Manor CA 0.52 061130004 Davis CA 0.52 061110009 Piru - Pacific CA 0.52 060750005 San Francisco - Arkansas Street CA 0.51 060890007 Anderson CA 0.51 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 0.50 080410017 Colorado College CO Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences 10-30 and Corr > 0.5 16.40 000030310 SYDNEY NS 14.20 000010401 Mount Pearl NF 12.70 060870007 Unknown CA 10.80 060850002 Gilory - 9th Street CA 10.50 060832004 Lompoc H Street CA 8.20 060970003 Santa Rosa - 5th Street CA 7.90 060832011 GOLETA CA 7.90 060670012 Folsom CA 7.70 060670010 Sacramento - T Street CA 7.60 060670011 Elk Grove CA 7.40 060750005 San Francisco - Arkansas Street CA 7.40 000020104 CHARLOTTETOWN PE 7.10 060670006 Sacramento - Del Paso Manor CA 6.40 061131003 Woodland CA 6.40 060610006 Roseville - N.Sunrise/Douglas CA 5.00 060410003 Point Reyes CA 4.70 060550003 Napa - Jefferson St CA 4.50 040191034 Coachline AZ 3.90 000040103 FREDERICTON NB 3.80 060731008 Camp Pendleton CA 3.30 000020301 WELLINGTON PE 3.00 060990005 Modesto - 14th Street CA 2.80 061130004 Davis CA 2.60 060798001 Atascadero CA 2.40 060731010 San Diego - Beardsley Street CA 2.30 000040209 CASTLE ST. SAINT JO NB 2.20 061111004 Ojai - Ojai Ave. CA 2.20 040138005 Estrella AZ 2.10 061113001 El Rio - Rio Mesa School #2 CA 2.00 040139998 Vehicle Emissions Laboratory AZ 2.00 000040302 MONCTON NB 1.80 060659001 Lake Elsinore - W. Flint Street CA 1.60 061072002 Visalia - N. Church Street CA 1.50 061110007 Thousand Oaks - Moorpark Road CA 1.40 060830011 Santa Barbara CA 1.20 040134010 Dysart AZ 1.10 060731002 Escondido CA 1.00 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 0.90 000090601 Fort Saskatchewan AB Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences 10-30 and Corr > 0.5 15.30 000030310 SYDNEY NS 9.80 060832004 Lompoc H Street CA 9.00 060850002 Gilory - 9th Street CA 8.70 060970003 Santa Rosa - 5th Street CA 8.00 060870007 Unknown CA 7.70 000010401 Mount Pearl NF 7.00 060670012 Folsom CA 6.90 060750005 San Francisco - Arkansas Street CA 6.90 060670010 Sacramento - T Street CA 6.80 060832011 GOLETA CA 6.80 060550003 Napa - Jefferson St CA 6.10 061131003 Woodland CA 5.80 060410003 Point Reyes CA 5.50 060670011 Elk Grove CA 5.00 060670006 Sacramento - Del Paso Manor CA 4.90 060731010 San Diego - Beardsley Street CA 4.60 000020104 CHARLOTTETOWN PE 4.00 060610006 Roseville - N.Sunrise/Douglas CA 3.60 060830011 Santa Barbara CA 3.30 060798001 Atascadero CA 2.70 061113001 El Rio - Rio Mesa School #2 CA 2.70 060792004 Mesa 2 /Nipomo CA 2.60 061110007 Thousand Oaks - Moorpark Road CA 2.40 060431001 Yosemite Village - Visitor Center CA 2.40 060290014 Bakersfield - 5558 California Ave CA 2.30 061072002 Visalia - N. Church Street CA 2.10 061130004 Davis CA 1.80 060990006 Turlock - S. Minaret Street CA 1.50 040139998 Vehicle Emissions Laboratory AZ 1.30 060990005 Modesto - 14th Street CA 1.20 000020301 WELLINGTON PE 1.10 040134010 Dysart AZ 1.00 040138005 Estrella AZ 0.80 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 0.70 061111004 Ojai - Ojai Ave. CA 0.70 040191034 Coachline AZ 0.70 000040103 FREDERICTON NB Mean observed daytime surface PM2.5 (6-hourly) #coincidences 10-30 and Corr > 0.5 193.30 060290014 Bakersfield - 5558 California Ave CA 133.90 060431001 Yosemite Village - Visitor Center CA 83.90 060190008 Fresno - 1st Street CA 72.30 000054401 Saint-Anicet QC 32.80 000054501 L'Assomption QC 30.80 010732003 WYLAM AL 28.70 010732006 HOOVER AL 27.80 060658001 Riverside - Rubidoux CA 27.20 060711004 Upland CA 27.10 060651003 Riverside - Magnolia CA 26.80 060371201 Reseda CA 26.50 060650012 Banning - South Hathaway Street CA 25.60 060376012 Santa Clarita CA 24.20 000040801 CANTERBURY NB 23.80 061112002 Simi Valley - Cochran Street CA 23.10 060710005 Lake Gregory - Crestline CA 23.10 040130019 West Phoenix AZ 23.00 060371002 Burbank - W. Palm Ave CA 22.80 000040203 FOREST HILLS NB 22.40 061110009 Piru - Pacific CA 21.80 060374002 North Long Beach CA 21.50 060731006 Alpine CA 21.50 050350005 MARION AR 21.40 060890007 Anderson CA 20.80 000051501 Zéphirin QC 20.40 000041302 BATHURST NB 20.20 010331002 MSHOALS AL 19.90 010730023 NO. BHAM AL 19.40 051191008 ADEQ-DSR AR 18.60 000061004 Sarnia ON 18.20 060590007 Anaheim CA 17.80 000065701 Morrisburg ON 17.80 000061104 Peterborough ON 17.50 000061201 Cornwall ON 17.50 000060303 Kingston ON 17.40 000060512 Hamilton Downtown ON 17.30 010731005 MCADORY AL 17.20 060830011 Santa Barbara CA 17.20 000063301 Dorset ON 16.90 000060709 Sault Ste Marie ON 16.70 060074001 Gridley CA 16.50 061113001 El Rio - Rio Mesa School #2 CA 16.50 060731002 Escondido CA 16.40 061111004 Ojai - Ojai Ave. CA 16.40 000065801 Chatham ON 16.20 000062001 North Bay ON 16.10 061110007 Thousand Oaks - Moorpark Road CA 16.10 051190007 PARR AR 16.10 000065001 Barrie ON 16.00 060730003 El Cajon - Redwood Ave CA 15.80 060659001 Lake Elsinore - W. Flint Street CA 15.80 010731009 PROVIDENCE AL 15.80 000061502 Kitchener ON 15.50 060210002 Willows - E. Laurel Street CA 15.50 010735002 PINSON AL 15.30 000061302 St. Catharines ON 14.90 051390006 El Dorado AR 14.90 000062501 Tiverton ON 14.60 061070009 Sequoia/Kings Canyon - Ash Mountain CA 14.40 000065301 Port Stanley ON 14.30 000061402 Brantford ON 14.20 010970003 CHICK. AL 14.10 000065201 Parry Sound ON 13.90 011011002 MONTG AL 13.90 000065401 Belleville ON 13.80 060731008 Camp Pendleton CA 13.60 000063701 Grand Bend ON 13.50 060070002 Chico - Manzanita CA 13.50 000052301 Saint-Faustin QC 13.40 060731010 San Diego - Beardsley Street CA 13.40 000060424 Toronto Downtown ON 13.00 000040207 SAINT JOHN WEST NB 12.90 000090502 Lethbridge AB 12.80 010735003 CORNER AL 12.80 000040901 ST ANDREWS NB 12.70 040134003 South Phoenix AZ 12.60 080310002 Denver - CAMP - 2105 Broadway CO 12.60 061130004 Davis CA 12.40 080310025 Denver Animal Shelter - 678 S. Jason St. CO 12.30 000040302 MONCTON NB 12.10 000090302 Red Deer AB 12.10 000060903 London ON 11.80 080770017 Grand Junction - Powell Building CO 11.80 060550003 Napa - Jefferson St CA 11.70 000060609 Sudbury ON 11.50 080131001 Boulder - CU - 2102 Athens St. CO 11.40 060792004 Mesa 2 /Nipomo CA 11.10 040191032 Rose Elementary AZ 11.00 080310013 Denver - NJH - 14th Ave. & Albion St. CO 10.70 060832011 GOLETA CA 10.70 000040209 CASTLE ST. SAINT JO NB 10.50 080410017 Colorado College CO 9.90 061072002 Visalia - N. Church Street CA 9.90 040139812 Durango AZ 9.80 040191113 Geronimo AZ 9.70 060832004 Lompoc H Street CA 9.60 060990006 Turlock - S. Minaret Street CA 9.60 060410003 Point Reyes CA 9.40 060639901 Quincy BAM CA 9.40 040191034 Coachline AZ 9.40 000020301 WELLINGTON PE 9.20 051430005 SPRNGDLE AR 9.00 061131003 Woodland CA 9.00 000090222 Calgary Northwest AB 8.90 060798001 Atascadero CA 8.90 060610006 Roseville - N.Sunrise/Douglas CA 8.90 000020104 CHARLOTTETOWN PE 8.80 000090121 Edmonton East AB 8.70 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 8.60 080010006 Commerce City - 7101 Birch St. CO 8.40 000090130 Edmonton Central AB 8.20 060970003 Santa Rosa - 5th Street CA 8.20 060670006 Sacramento - Del Paso Manor CA 8.00 060750005 San Francisco - Arkansas Street CA 7.80 080130003 Longmont CO 7.80 040132001 Glendale Community College AZ 7.70 060870007 Unknown CA 7.70 060670011 Elk Grove CA 7.70 060670010 Sacramento - T Street CA 7.70 000090120 Edmonton South AB 7.60 060850002 Gilory - 9th Street CA 7.50 060670012 Folsom CA 7.30 000040103 FREDERICTON NB 6.80 040134010 Dysart AZ 6.80 000010401 Mount Pearl NF 6.70 000030310 SYDNEY NS 6.20 060990005 Modesto - 14th Street CA 6.00 040139998 Vehicle Emissions Laboratory AZ 5.80 040138005 Estrella AZ 5.80 000091901 Caroline AB 5.70 000094301 Cold Lake South AB 3.50 000090601 Fort Saskatchewan AB 2.30 000091101 Elk Island AB Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 20.00 060870007 Unknown CA 20.00 060850002 Gilory - 9th Street CA 20.00 060690002 Unknown CA 20.00 060530002 Unknown CA 17.80 000010401 Mount Pearl NF 17.70 060731010 San Diego - Beardsley Street CA 15.60 040191034 Coachline AZ 15.30 061113001 El Rio - Rio Mesa School #2 CA 15.30 061111004 Ojai - Ojai Ave. CA 15.30 060832011 GOLETA CA 15.30 060832004 Lompoc H Street CA 15.30 060830011 Santa Barbara CA 14.80 000063701 Grand Bend ON 14.80 000062501 Tiverton ON 14.60 040139998 Vehicle Emissions Laboratory AZ 14.60 040139812 Durango AZ 14.60 040138005 Estrella AZ 14.60 040134010 Dysart AZ 14.60 040134003 South Phoenix AZ 14.60 040132001 Glendale Community College AZ 14.60 040130019 West Phoenix AZ 13.50 061131003 Woodland CA 13.50 061130004 Davis CA 13.50 060970003 Santa Rosa - 5th Street CA 13.50 060959999 Rio Vista CA 13.50 060953002 Vacaville CA 13.50 060950004 Vallejo - 304 Tuolumne Street CA 13.50 060850005 San Jose - Jackson St. CA 13.50 060811001 Redwood City CA 13.50 060750005 San Francisco - Arkansas Street CA 13.50 060670012 Folsom CA 13.50 060670011 Elk Grove CA 13.50 060670010 Sacramento - T Street CA 13.50 060670006 Sacramento - Del Paso Manor CA 13.50 060610006 Roseville - N.Sunrise/Douglas CA 13.50 060550003 Napa - Jefferson St CA 13.50 060410003 Point Reyes CA 13.50 060410001 San Rafael CA 13.50 060010011 Oakland West CA 13.50 060010007 Livermore - Rincon CA 12.80 060731006 Alpine CA 12.80 060730003 El Cajon - Redwood Ave CA 10.20 061072002 Visalia - N. Church Street CA 10.20 060798001 Atascadero CA 10.20 060792004 Mesa 2 /Nipomo CA 10.20 060290014 Bakersfield - 5558 California Ave CA 10.20 060190008 Fresno - 1st Street CA 9.10 060650012 Banning - South Hathaway Street CA 9.10 000030310 SYDNEY NS 8.80 061112002 Simi Valley - Cochran Street CA 8.80 061110009 Piru - Pacific CA 8.80 061110007 Thousand Oaks - Moorpark Road CA 8.80 060731008 Camp Pendleton CA 8.80 060731002 Escondido CA 8.80 060711004 Upland CA 8.80 060710005 Lake Gregory - Crestline CA 8.80 060659001 Lake Elsinore - W. Flint Street CA 8.80 060658001 Riverside - Rubidoux CA 8.80 060651003 Riverside - Magnolia CA 8.80 060590007 Anaheim CA 8.80 060376012 Santa Clarita CA 8.80 060374002 North Long Beach CA 8.80 060371201 Reseda CA 8.80 060371002 Burbank - W. Palm Ave CA 8.60 050350005 MARION AR 8.50 000020401 SOUTHAMPTON PE 7.30 040191113 Geronimo AZ 7.30 040191032 Rose Elementary AZ 7.30 040191030 Green Valley AZ 7.00 051430005 SPRNGDLE AR 6.60 061010003 Yuba City CA 6.60 060890007 Anderson CA 6.60 060631007 Chester BAM CA 6.60 060570005 Grass Valley CA 6.60 060210002 Willows - E. Laurel Street CA 6.60 060074001 Gridley CA 6.60 060070002 Chico - Manzanita CA 6.60 000060204 Windsor Downtown ON 6.50 060990006 Turlock - S. Minaret Street CA 6.50 060990005 Modesto - 14th Street CA 6.50 060431001 Yosemite Village - Visitor Center CA 5.50 000065001 Barrie ON 5.50 000061502 Kitchener ON 5.50 000061402 Brantford ON 5.50 000061302 St. Catharines ON 5.50 000060512 Hamilton Downtown ON 5.50 000060424 Toronto Downtown ON 4.90 000065201 Parry Sound ON 4.90 000062001 North Bay ON 4.90 000060609 Sudbury ON 4.60 000065701 Morrisburg ON 4.60 000061201 Cornwall ON 4.60 000060303 Kingston ON 4.60 000054501 L'Assomption QC 4.60 000054401 Saint-Anicet QC 4.60 000052301 Saint-Faustin QC 4.50 000060709 Sault Ste Marie ON 4.30 010735003 CORNER AL 4.30 010735002 PINSON AL 4.30 010732006 HOOVER AL 4.30 010732003 WYLAM AL 4.30 010731010 LEEDS AL 4.30 010730023 NO. BHAM AL 4.00 000090601 Fort Saskatchewan AB 4.00 000090130 Edmonton Central AB 4.00 000090121 Edmonton East AB 4.00 000090120 Edmonton South AB 4.00 000054703 Bécancour (Aréna) QC 4.00 000051501 Zéphirin QC 3.90 000065801 Chatham ON 3.90 000065301 Port Stanley ON 3.90 000061004 Sarnia ON 3.90 000060903 London ON 3.60 061070009 Sequoia/Kings Canyon - Ash Mountain CA 3.60 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 3.60 051390006 El Dorado AR 3.60 051191008 ADEQ-DSR AR 3.60 051190007 PARR AR 3.60 000063301 Dorset ON 3.50 060639901 Quincy BAM CA 3.40 000091901 Caroline AB 3.40 000090302 Red Deer AB 3.40 000090222 Calgary Northwest AB 3.30 000065401 Belleville ON 3.30 000061104 Peterborough ON 3.10 000060104 Ottawa ON 2.90 010970003 CHICK. AL 2.80 000091101 Elk Island AB 2.60 011011002 MONTG AL 2.50 010731009 PROVIDENCE AL 2.50 010731005 MCADORY AL 2.50 010331002 MSHOALS AL 2.40 000040901 ST ANDREWS NB 2.40 000040801 CANTERBURY NB 2.10 000090502 Lethbridge AB 2.10 000040209 CASTLE ST. SAINT JO NB 2.10 000040207 SAINT JOHN WEST NB 2.10 000040203 FOREST HILLS NB 2.10 000040103 FREDERICTON NB 1.90 080770017 Grand Junction - Powell Building CO 1.80 000094301 Cold Lake South AB 1.80 000040302 MONCTON NB 1.80 000030701 AYLESFORD MOUNTAIN NS 1.80 000020301 WELLINGTON PE 1.80 000020104 CHARLOTTETOWN PE 1.70 000041302 BATHURST NB 1.60 080350004 Chatfield Park - 11500 N. Roxborough Par CO 1.60 080131001 Boulder - CU - 2102 Athens St. CO 1.60 080130003 Longmont CO 1.50 080310025 Denver Animal Shelter - 678 S. Jason St. CO 1.50 080310013 Denver - NJH - 14th Ave. & Albion St. CO 1.50 080310002 Denver - CAMP - 2105 Broadway CO 1.50 080010006 Commerce City - 7101 Birch St. CO 1.00 080410017 Colorado College CO AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)