Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.76 000061004 Sarnia ON 0.73 000065701 Morrisburg ON 0.70 000061402 Brantford ON 0.69 000061104 Peterborough ON 0.66 000060303 Kingston ON 0.66 000051501 Zéphirin QC 0.65 000062501 Tiverton ON 0.65 000060204 Windsor Downtown ON 0.64 000061302 St. Catharines ON 0.63 060832004 Lompoc H Street CA 0.63 000065401 Belleville ON 0.63 000061502 Kitchener ON 0.62 000063301 Dorset ON 0.62 000060903 London ON 0.62 000060104 Ottawa ON 0.58 000060609 Sudbury ON 0.57 000090120 Edmonton South AB 0.57 000063701 Grand Bend ON 0.56 000065201 Parry Sound ON 0.56 000062001 North Bay ON 0.55 000065001 Barrie ON 0.55 000054501 L'Assomption QC 0.54 000060512 Hamilton Downtown ON 0.53 000061201 Cornwall ON 0.53 000040801 CANTERBURY NB 0.52 000040203 FOREST HILLS NB 0.51 060530002 Unknown CA 0.50 060639901 Quincy BAM CA 0.50 010732006 HOOVER AL #coincidences 10-30 and Corr > 0.5 0.51 000054703 Bécancour (Aréna) QC Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences >30 and Corr > 0.5 0.98 000061004 Sarnia ON 0.93 000061104 Peterborough ON 0.92 060639901 Quincy BAM CA 0.88 000065701 Morrisburg ON 0.88 000061402 Brantford ON 0.88 000060512 Hamilton Downtown ON 0.86 000063701 Grand Bend ON 0.83 061113001 El Rio - Rio Mesa School #2 CA 0.82 000065401 Belleville ON 0.82 000063301 Dorset ON 0.80 060830011 Santa Barbara CA 0.77 000065001 Barrie ON 0.76 000060609 Sudbury ON 0.74 000062001 North Bay ON 0.73 010732006 HOOVER AL 0.73 000060903 London ON 0.72 000065201 Parry Sound ON 0.71 061111004 Ojai - Ojai Ave. CA 0.71 000061201 Cornwall ON 0.69 000060424 Toronto Downtown ON 0.68 060890007 Anderson CA 0.66 000040203 FOREST HILLS NB 0.65 000065801 Chatham ON 0.64 000040103 FREDERICTON NB 0.61 061072002 Visalia - N. Church Street CA 0.60 061130004 Davis CA 0.51 061131003 Woodland CA 0.50 060190008 Fresno - 1st Street CA #coincidences 10-30 and Corr > 0.5 0.92 000060303 Kingston ON 0.91 000060204 Windsor Downtown ON 0.89 000061502 Kitchener ON 0.89 000051501 Zéphirin QC 0.88 000062501 Tiverton ON 0.85 000052301 Saint-Faustin QC 0.84 080130003 Longmont CO 0.83 000060104 Ottawa ON 0.81 000054703 Bécancour (Aréna) QC 0.78 060832004 Lompoc H Street CA 0.76 000090130 Edmonton Central AB 0.75 000061302 St. Catharines ON 0.75 000040801 CANTERBURY NB 0.74 000054501 L'Assomption QC 0.73 080010006 Commerce City - 7101 Birch St. CO 0.67 060731002 Escondido CA 0.62 060850002 Gilory - 9th Street CA 0.62 060690002 Unknown CA 0.62 060530002 Unknown CA 0.58 060850005 San Jose - Jackson St. CA 0.58 060590007 Anaheim CA 0.57 000090120 Edmonton South AB 0.56 060670011 Elk Grove CA 0.55 000091101 Elk Island AB 0.53 000090121 Edmonton East AB 0.50 000091901 Caroline AB 0.50 000040901 ST ANDREWS NB Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 7.00 060830011 Santa Barbara CA 6.30 061131003 Woodland CA 6.30 061113001 El Rio - Rio Mesa School #2 CA 5.00 061111004 Ojai - Ojai Ave. CA 3.10 061110007 Thousand Oaks - Moorpark Road CA 2.40 060670012 Folsom CA 2.40 000040103 FREDERICTON NB 1.60 061130004 Davis CA 0.80 000020301 WELLINGTON PE #coincidences 10-30 and Corr > 0.5 17.40 060870007 Unknown CA 15.70 060530002 Unknown CA 13.50 000030310 SYDNEY NS 12.80 060832004 Lompoc H Street CA 10.30 060953002 Vacaville CA 9.80 000020401 SOUTHAMPTON PE 9.10 060811001 Redwood City CA 8.90 000010401 Mount Pearl NF 8.40 060410001 San Rafael CA 8.30 060950004 Vallejo - 304 Tuolumne Street CA 8.20 060410003 Point Reyes CA 7.90 060670010 Sacramento - T Street CA 7.40 060750005 San Francisco - Arkansas Street CA 7.20 060670011 Elk Grove CA 6.10 060970003 Santa Rosa - 5th Street CA 5.60 060010007 Livermore - Rincon CA 5.50 060798001 Atascadero CA 5.00 060550003 Napa - Jefferson St CA 4.90 060731008 Camp Pendleton CA 4.60 060792004 Mesa 2 /Nipomo CA 4.40 060850002 Gilory - 9th Street CA 3.10 060010011 Oakland West CA 2.60 060731002 Escondido CA 2.60 060659001 Lake Elsinore - W. Flint Street CA 2.00 060731010 San Diego - Beardsley Street CA 1.50 000020104 CHARLOTTETOWN PE 1.20 060370016 Glendora - Laurel CA Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 11.50 060832011 GOLETA CA 8.00 061113001 El Rio - Rio Mesa School #2 CA 8.00 060830011 Santa Barbara CA 7.80 061131003 Woodland CA 6.70 060670012 Folsom CA 5.90 061111004 Ojai - Ojai Ave. CA 5.10 060610006 Roseville - N.Sunrise/Douglas CA 4.70 060670006 Sacramento - Del Paso Manor CA 3.50 060290014 Bakersfield - 5558 California Ave CA 2.10 061130004 Davis CA 1.10 061110007 Thousand Oaks - Moorpark Road CA 0.80 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA #coincidences 10-30 and Corr > 0.5 17.30 060530002 Unknown CA 15.50 060870007 Unknown CA 14.20 060832004 Lompoc H Street CA 12.20 060850002 Gilory - 9th Street CA 11.80 060953002 Vacaville CA 11.30 060690002 Unknown CA 10.10 000030310 SYDNEY NS 9.80 060950004 Vallejo - 304 Tuolumne Street CA 9.80 060811001 Redwood City CA 9.70 060410001 San Rafael CA 9.00 060970003 Santa Rosa - 5th Street CA 8.30 060670010 Sacramento - T Street CA 8.20 060750005 San Francisco - Arkansas Street CA 8.10 000020401 SOUTHAMPTON PE 7.60 060550003 Napa - Jefferson St CA 7.40 060010011 Oakland West CA 7.00 060410003 Point Reyes CA 6.70 060670011 Elk Grove CA 6.60 060798001 Atascadero CA 6.50 060010007 Livermore - Rincon CA 5.90 060792004 Mesa 2 /Nipomo CA 5.60 060731010 San Diego - Beardsley Street CA 4.20 000010401 Mount Pearl NF 2.00 060850005 San Jose - Jackson St. CA 1.80 060431001 Yosemite Village - Visitor Center CA Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 313.90 060190008 Fresno - 1st Street CA 110.70 060610006 Roseville - N.Sunrise/Douglas CA 85.40 060290014 Bakersfield - 5558 California Ave CA 79.90 060832011 GOLETA CA 58.60 060990005 Modesto - 14th Street CA 56.30 040191032 Rose Elementary AZ 27.30 000040203 FOREST HILLS NB 25.70 040139998 Vehicle Emissions Laboratory AZ 23.80 060731006 Alpine CA 23.40 000061004 Sarnia ON 23.20 010732006 HOOVER AL 23.20 010730023 NO. BHAM AL 22.30 061112002 Simi Valley - Cochran Street CA 21.70 061110009 Piru - Pacific CA 21.70 060890007 Anderson CA 21.40 051191008 ADEQ-DSR AR 21.20 010331002 MSHOALS AL 21.10 051190007 PARR AR 20.70 060670006 Sacramento - Del Paso Manor CA 19.40 061111004 Ojai - Ojai Ave. CA 18.60 061072002 Visalia - N. Church Street CA 18.10 061113001 El Rio - Rio Mesa School #2 CA 18.00 000041302 BATHURST NB 17.60 010970003 CHICK. AL 17.40 060830011 Santa Barbara CA 17.00 061110007 Thousand Oaks - Moorpark Road CA 16.90 061130004 Davis CA 16.80 060730003 El Cajon - Redwood Ave CA 16.80 051390006 El Dorado AR 16.20 040139812 Durango AZ 16.10 060670012 Folsom CA 16.10 060070002 Chico - Manzanita CA 15.70 000060512 Hamilton Downtown ON 15.60 010735002 PINSON AL 15.50 000065301 Port Stanley ON 15.20 061070009 Sequoia/Kings Canyon - Ash Mountain CA 15.20 060210002 Willows - E. Laurel Street CA 15.10 040191113 Geronimo AZ 14.90 040191034 Coachline AZ 14.90 000061104 Peterborough ON 14.30 000065801 Chatham ON 14.00 080310025 Denver Animal Shelter - 678 S. Jason St. CO 13.90 000065001 Barrie ON 13.90 000061402 Brantford ON 13.90 000061201 Cornwall ON 13.80 051430005 SPRNGDLE AR 13.60 000060903 London ON 13.40 080131001 Boulder - CU - 2102 Athens St. CO 13.30 060639901 Quincy BAM CA 13.30 000065701 Morrisburg ON 13.30 000060424 Toronto Downtown ON 13.20 040134003 South Phoenix AZ 13.00 080310013 Denver - NJH - 14th Ave. & Albion St. CO 13.00 000063701 Grand Bend ON 12.60 080310002 Denver - CAMP - 2105 Broadway CO 12.40 000062001 North Bay ON 12.20 061131003 Woodland CA 12.00 000065401 Belleville ON 11.80 000065201 Parry Sound ON 11.60 000063301 Dorset ON 11.50 000060609 Sudbury ON 11.20 080410017 Colorado College CO 10.20 000020301 WELLINGTON PE 8.80 040138005 Estrella AZ 8.80 000040103 FREDERICTON NB 8.70 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 8.50 040134010 Dysart AZ #coincidences 10-30 and Corr > 0.5 307.60 040191030 Green Valley AZ 189.40 060959999 Rio Vista CA 123.20 060431001 Yosemite Village - Visitor Center CA 89.10 061010003 Yuba City CA 71.10 040130019 West Phoenix AZ 67.30 000054401 Saint-Anicet QC 51.80 000090302 Red Deer AB 31.50 060690002 Unknown CA 30.80 010732003 WYLAM AL 29.40 060658001 Riverside - Rubidoux CA 27.80 060711004 Upland CA 26.20 060376012 Santa Clarita CA 26.00 060650012 Banning - South Hathaway Street CA 25.90 060371201 Reseda CA 25.70 060710005 Lake Gregory - Crestline CA 25.60 060374002 North Long Beach CA 25.60 000054501 L'Assomption QC 23.50 060651003 Riverside - Magnolia CA 23.00 060371002 Burbank - W. Palm Ave CA 22.60 060250005 Calexico - Ethel Street CA 21.90 000040801 CANTERBURY NB 21.30 060590007 Anaheim CA 19.90 060850005 San Jose - Jackson St. CA 19.80 010731010 LEEDS AL 19.70 060850002 Gilory - 9th Street CA 19.70 050350005 MARION AR 18.80 060370016 Glendora - Laurel CA 17.50 060731002 Escondido CA 16.90 060074001 Gridley CA 16.50 060010011 Oakland West CA 16.50 000054703 Bécancour (Aréna) QC 16.00 060659001 Lake Elsinore - W. Flint Street CA 16.00 010731005 MCADORY AL 15.60 060631007 Chester BAM CA 15.60 040132001 Glendale Community College AZ 15.60 010731009 PROVIDENCE AL 15.30 060731010 San Diego - Beardsley Street CA 15.00 000051501 Zéphirin QC 14.90 011011002 MONTG AL 14.90 000060303 Kingston ON 14.70 000061502 Kitchener ON 14.40 000061302 St. Catharines ON 14.20 060731008 Camp Pendleton CA 14.20 060550003 Napa - Jefferson St CA 14.20 000040901 ST ANDREWS NB 14.10 000060204 Windsor Downtown ON 13.80 060010007 Livermore - Rincon CA 13.30 060832004 Lompoc H Street CA 13.30 010735003 CORNER AL 13.20 000040207 SAINT JOHN WEST NB 13.10 060970003 Santa Rosa - 5th Street CA 12.90 000040209 CASTLE ST. SAINT JO NB 12.70 060950004 Vallejo - 304 Tuolumne Street CA 12.70 000090502 Lethbridge AB 12.40 060530002 Unknown CA 12.30 000030701 AYLESFORD MOUNTAIN NS 12.20 000040302 MONCTON NB 11.90 060410001 San Rafael CA 11.80 060811001 Redwood City CA 11.80 000062501 Tiverton ON 11.70 000020104 CHARLOTTETOWN PE 11.60 000052301 Saint-Faustin QC 11.50 060670010 Sacramento - T Street CA 11.10 000060709 Sault Ste Marie ON 11.00 060990006 Turlock - S. Minaret Street CA 11.00 060792004 Mesa 2 /Nipomo CA 10.80 000090222 Calgary Northwest AB 10.80 000060104 Ottawa ON 10.70 060670011 Elk Grove CA 10.60 000020401 SOUTHAMPTON PE 10.40 060750005 San Francisco - Arkansas Street CA 10.30 000090402 Medicine Hat - Crescent Hts AB 10.20 060798001 Atascadero CA 10.20 060410003 Point Reyes CA 10.10 000090121 Edmonton East AB 9.40 080010006 Commerce City - 7101 Birch St. CO 9.40 000090120 Edmonton South AB 9.00 080350004 Chatfield Park - 11500 N. Roxborough Par CO 9.00 060953002 Vacaville CA 8.80 000010401 Mount Pearl NF 8.70 000090130 Edmonton Central AB 8.60 080770017 Grand Junction - Powell Building CO 8.40 000091901 Caroline AB 7.80 060870007 Unknown CA 7.70 080130003 Longmont CO 7.50 000030310 SYDNEY NS 5.70 000094301 Cold Lake South AB 4.00 000090601 Fort Saskatchewan AB 2.70 000091101 Elk Island AB Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 28.40 000010401 Mount Pearl NF 24.60 060870007 Unknown CA 24.60 060850002 Gilory - 9th Street CA 24.60 060690002 Unknown CA 24.60 060530002 Unknown CA 19.80 060731010 San Diego - Beardsley Street CA 19.70 061113001 El Rio - Rio Mesa School #2 CA 19.70 061111004 Ojai - Ojai Ave. CA 19.70 060832011 GOLETA CA 19.70 060832004 Lompoc H Street CA 19.70 060830011 Santa Barbara CA 14.70 000063701 Grand Bend ON 14.70 000062501 Tiverton ON 14.20 061131003 Woodland CA 14.20 061130004 Davis CA 14.20 060970003 Santa Rosa - 5th Street CA 14.20 060959999 Rio Vista CA 14.20 060953002 Vacaville CA 14.20 060950004 Vallejo - 304 Tuolumne Street CA 14.20 060850005 San Jose - Jackson St. CA 14.20 060811001 Redwood City CA 14.20 060750005 San Francisco - Arkansas Street CA 14.20 060670012 Folsom CA 14.20 060670011 Elk Grove CA 14.20 060670010 Sacramento - T Street CA 14.20 060670006 Sacramento - Del Paso Manor CA 14.20 060610006 Roseville - N.Sunrise/Douglas CA 14.20 060550003 Napa - Jefferson St CA 14.20 060410003 Point Reyes CA 14.20 060410001 San Rafael CA 14.20 060010011 Oakland West CA 14.20 060010007 Livermore - Rincon CA 9.70 000065001 Barrie ON 9.70 000061502 Kitchener ON 9.70 000061402 Brantford ON 9.70 000061302 St. Catharines ON 9.70 000060512 Hamilton Downtown ON 9.70 000060424 Toronto Downtown ON 8.60 000060204 Windsor Downtown ON 8.40 000030310 SYDNEY NS 8.20 040191034 Coachline AZ 6.90 060731006 Alpine CA 6.90 060730003 El Cajon - Redwood Ave CA 6.90 060250005 Calexico - Ethel Street CA 6.60 061072002 Visalia - N. Church Street CA 6.60 060798001 Atascadero CA 6.60 060792004 Mesa 2 /Nipomo CA 6.60 060290014 Bakersfield - 5558 California Ave CA 6.60 060190008 Fresno - 1st Street CA 6.40 000065401 Belleville ON 6.40 000061104 Peterborough ON 6.10 061112002 Simi Valley - Cochran Street CA 6.10 061110009 Piru - Pacific CA 6.10 061110007 Thousand Oaks - Moorpark Road CA 6.10 060731008 Camp Pendleton CA 6.10 060731002 Escondido CA 6.10 060711004 Upland CA 6.10 060710005 Lake Gregory - Crestline CA 6.10 060659001 Lake Elsinore - W. Flint Street CA 6.10 060658001 Riverside - Rubidoux CA 6.10 060651003 Riverside - Magnolia CA 6.10 060590007 Anaheim CA 6.10 060376012 Santa Clarita CA 6.10 060374002 North Long Beach CA 6.10 060371201 Reseda CA 6.10 060371002 Burbank - W. Palm Ave CA 6.10 060370016 Glendora - Laurel CA 6.00 040139998 Vehicle Emissions Laboratory AZ 6.00 040139812 Durango AZ 6.00 040138005 Estrella AZ 6.00 040134010 Dysart AZ 6.00 040134003 South Phoenix AZ 6.00 040132001 Glendale Community College AZ 6.00 040130019 West Phoenix AZ 5.80 000065201 Parry Sound ON 5.80 000062001 North Bay ON 5.80 000060609 Sudbury ON 5.70 010970003 CHICK. AL 5.70 000061201 Cornwall ON 5.70 000054501 L'Assomption QC 5.70 000054401 Saint-Anicet QC 5.70 000052301 Saint-Faustin QC 5.70 000020401 SOUTHAMPTON PE 5.60 000065801 Chatham ON 5.60 000065701 Morrisburg ON 5.60 000065301 Port Stanley ON 5.60 000061004 Sarnia ON 5.60 000060903 London ON 5.60 000060303 Kingston ON 5.30 040191113 Geronimo AZ 5.30 040191032 Rose Elementary AZ 5.30 040191030 Green Valley AZ 5.00 060650012 Banning - South Hathaway Street CA 5.00 000063301 Dorset ON 5.00 000060104 Ottawa ON 5.00 000054703 Bécancour (Aréna) QC 5.00 000051501 Zéphirin QC 4.70 000060709 Sault Ste Marie ON 4.40 061070009 Sequoia/Kings Canyon - Ash Mountain CA 4.40 060990006 Turlock - S. Minaret Street CA 4.40 060990005 Modesto - 14th Street CA 4.40 060431001 Yosemite Village - Visitor Center CA 4.40 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 3.30 061010003 Yuba City CA 3.30 060890007 Anderson CA 3.30 060631007 Chester BAM 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 3.20 051430005 SPRNGDLE AR 3.00 000040209 CASTLE ST. SAINT JO NB 3.00 000040207 SAINT JOHN WEST NB 3.00 000040203 FOREST HILLS NB 3.00 000040103 FREDERICTON NB 2.90 000040901 ST ANDREWS NB 2.90 000040801 CANTERBURY NB 2.80 000040302 MONCTON NB 2.80 000030701 AYLESFORD MOUNTAIN NS 2.80 000020301 WELLINGTON PE 2.80 000020104 CHARLOTTETOWN PE 2.50 050350005 MARION AR 2.50 010735003 CORNER AL 2.50 010735002 PINSON AL 2.50 010732006 HOOVER AL 2.50 010732003 WYLAM AL 2.50 010731010 LEEDS AL 2.50 010730023 NO. BHAM AL 2.40 060639901 Quincy BAM CA 2.30 011011002 MONTG AL 2.30 000041302 BATHURST NB 2.20 080310025 Denver Animal Shelter - 678 S. Jason St. CO 2.20 080310013 Denver - NJH - 14th Ave. & Albion St. CO 2.20 080310002 Denver - CAMP - 2105 Broadway CO 2.20 080010006 Commerce City - 7101 Birch St. CO 2.10 000091901 Caroline AB 2.10 000090302 Red Deer AB 2.10 000090222 Calgary Northwest AB 1.90 080350004 Chatfield Park - 11500 N. Roxborough Par CO 1.90 080131001 Boulder - CU - 2102 Athens St. CO 1.90 080130003 Longmont CO 1.80 080770017 Grand Junction - Powell Building CO 1.80 051390006 El Dorado AR 1.80 051191008 ADEQ-DSR AR 1.80 051190007 PARR AR 1.80 010731009 PROVIDENCE AL 1.80 010731005 MCADORY AL 1.80 010331002 MSHOALS AL 1.70 000090601 Fort Saskatchewan AB 1.70 000090130 Edmonton Central AB 1.70 000090121 Edmonton East AB 1.70 000090120 Edmonton South AB 1.40 000090502 Lethbridge AB 1.10 000091101 Elk Island AB 0.90 080410017 Colorado College CO 0.90 000090402 Medicine Hat - Crescent Hts AB 0.60 000094301 Cold Lake South AB AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)