Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.72 000060104 Ottawa ON 0.69 000054501 L'Assomption QC 0.63 000062001 North Bay ON 0.61 000065201 Parry Sound ON 0.61 000020401 SOUTHAMPTON PE 0.60 000090601 Fort Saskatchewan AB 0.59 000065701 Morrisburg ON 0.58 000090218 Calgary East AB 0.58 000062501 Tiverton ON 0.57 000090130 Edmonton Central AB 0.57 000061201 Cornwall ON 0.54 000061104 Peterborough ON 0.51 000090121 Edmonton East AB 0.51 000052301 Saint-Faustin QC #coincidences 10-30 and Corr > 0.5 Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences >30 and Corr > 0.5 0.81 000054501 L'Assomption QC 0.79 000091101 Elk Island AB 0.78 000090218 Calgary East AB 0.76 000090601 Fort Saskatchewan AB 0.75 000020401 SOUTHAMPTON PE 0.71 000061201 Cornwall ON 0.68 051430005 SPRNGDLE AR 0.67 000065801 Chatham ON 0.66 000061004 Sarnia ON 0.65 000090130 Edmonton Central AB 0.65 000090121 Edmonton East AB 0.65 000063301 Dorset ON 0.64 000020301 WELLINGTON PE 0.63 000090222 Calgary Northwest AB 0.63 000061104 Peterborough ON 0.61 000052301 Saint-Faustin QC 0.58 040191034 Coachline AZ 0.57 000061402 Brantford ON 0.56 000090402 Medicine Hat - Crescent Hts AB 0.55 000094301 Cold Lake South AB 0.55 000090120 Edmonton South AB 0.54 000061302 St. Catharines ON #coincidences 10-30 and Corr > 0.5 0.82 060731006 Alpine CA 0.81 080770017 Grand Junction - Powell Building CO 0.79 060690002 Unknown CA 0.75 000060512 Hamilton Downtown ON 0.74 000065201 Parry Sound ON 0.74 000062001 North Bay ON 0.72 000062501 Tiverton ON 0.68 000060609 Sudbury ON 0.68 000060104 Ottawa ON 0.67 000065701 Morrisburg ON 0.62 000060709 Sault Ste Marie ON 0.59 000065401 Belleville ON 0.58 000065301 Port Stanley ON 0.51 040138005 Estrella AZ Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 52.80 000010401 Mount Pearl NF 31.70 000030310 SYDNEY NS 17.30 000020401 SOUTHAMPTON PE 14.00 060650012 Banning - South Hathaway Street CA 11.70 000020301 WELLINGTON PE 11.60 000040302 MONCTON NB 10.60 061113001 El Rio - Rio Mesa School #2 CA 8.90 000020104 CHARLOTTETOWN PE 7.10 060832004 Lompoc H Street CA 6.40 061111004 Ojai - Ojai Ave. CA 5.50 060831008 Santa Maria - Broadway CA 5.20 000041302 BATHURST NB 2.80 060850002 Gilory - 9th Street CA 2.40 000065001 Barrie ON 2.20 000060424 Toronto Downtown ON 1.20 000061402 Brantford ON 1.00 060659001 Lake Elsinore - W. Flint Street CA 0.90 000061302 St. Catharines ON 0.60 061110007 Thousand Oaks - Moorpark Road CA 0.60 000052301 Saint-Faustin QC #coincidences 10-30 and Corr > 0.5 4.70 060870003 Unknown CA 1.70 040138005 Estrella AZ 1.10 000065401 Belleville ON 0.60 000040203 FOREST HILLS NB 0.50 060590007 Anaheim CA Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 34.10 000010401 Mount Pearl NF 24.60 000030310 SYDNEY NS 13.90 000020401 SOUTHAMPTON PE 8.70 000040302 MONCTON NB 7.20 060650012 Banning - South Hathaway Street CA 6.40 061113001 El Rio - Rio Mesa School #2 CA 6.40 000020301 WELLINGTON PE 5.10 060832011 GOLETA CA 5.10 000020104 CHARLOTTETOWN PE 4.50 060832004 Lompoc H Street CA 3.90 060831008 Santa Maria - Broadway CA 3.70 000041302 BATHURST NB 3.60 060530002 Unknown CA 3.40 061111004 Ojai - Ojai Ave. CA 3.20 061110007 Thousand Oaks - Moorpark Road CA 3.10 060731002 Escondido CA 2.70 040134010 Dysart AZ 2.40 060830011 Santa Barbara CA 2.20 040139998 Vehicle Emissions Laboratory AZ 2.10 000061402 Brantford ON 2.00 060731010 San Diego - Beardsley Street CA 1.90 060659001 Lake Elsinore - W. Flint Street CA 1.90 000061302 St. Catharines ON 1.70 000065001 Barrie ON 1.70 000061201 Cornwall ON 1.70 000052301 Saint-Faustin QC 1.60 000061104 Peterborough ON 1.40 060850002 Gilory - 9th Street CA 1.40 040191030 Green Valley AZ 1.30 040134003 South Phoenix AZ 1.20 040139812 Durango AZ 1.10 061110009 Piru - Pacific CA 0.80 060670012 Folsom CA 0.80 000060424 Toronto Downtown ON 0.70 000040207 SAINT JOHN WEST NB 0.50 061112002 Simi Valley - Cochran Street CA #coincidences 10-30 and Corr > 0.5 6.60 060870007 Unknown CA 4.90 060690002 Unknown CA 3.30 060370016 Glendora - Laurel CA 3.00 060590007 Anaheim CA 1.80 060870003 Unknown CA 1.80 000040203 FOREST HILLS NB 1.50 000061502 Kitchener ON 1.40 000065401 Belleville ON 1.30 040138005 Estrella AZ 1.00 000060512 Hamilton Downtown ON 0.60 060792004 Mesa 2 /Nipomo CA 0.60 060731008 Camp Pendleton CA 0.50 060012004 Berkeley CA 0.50 000040901 ST ANDREWS NB Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 ****** 060410003 Point Reyes CA 219.30 061010003 Yuba City CA 114.20 061072002 Visalia - N. Church Street CA 106.70 060832011 GOLETA CA 90.70 060610006 Roseville - N.Sunrise/Douglas CA 90.20 060250005 Calexico - Ethel Street CA 84.80 060431001 Yosemite Village - Visitor Center CA 81.60 061130004 Davis CA 63.20 060530002 Unknown CA 61.50 010331002 MSHOALS AL 57.10 060290014 Bakersfield - 5558 California Ave CA 55.30 060070002 Chico - Manzanita CA 50.10 060639901 Quincy BAM CA 48.00 061070009 Sequoia/Kings Canyon - Ash Mountain CA 45.20 060190008 Fresno - 1st Street CA 39.60 060990005 Modesto - 14th Street CA 36.00 060651003 Riverside - Magnolia CA 33.40 060830011 Santa Barbara CA 33.30 040191034 Coachline AZ 31.50 000090120 Edmonton South AB 30.30 060771002 Stockton - Hazelton Street CA 30.30 060670010 Sacramento - T Street CA 28.90 060731002 Escondido CA 28.70 040191030 Green Valley AZ 28.50 000090121 Edmonton East AB 27.10 000090130 Edmonton Central AB 26.80 060074001 Gridley CA 24.70 000054401 Saint-Anicet QC 24.50 060371201 Reseda CA 24.40 080310013 Denver - NJH - 14th Ave. & Albion St. CO 24.20 000090302 Red Deer AB 23.70 060571001 Truckee BAM CA 22.70 060890007 Anderson CA 20.60 060550003 Napa - Jefferson St CA 20.20 060711004 Upland CA 19.70 010970003 CHICK. AL 19.60 060953002 Vacaville CA 19.50 060371002 Burbank - W. Palm Ave CA 19.40 000040801 CANTERBURY NB 19.30 060371103 Los Angeles - N. Main Street CA 18.70 000090222 Calgary Northwest AB 18.40 060271023 Bishop Paiute Tribe-CA CA 18.10 061131003 Woodland CA 18.00 080310002 Denver - CAMP - 2105 Broadway CO 18.00 000090601 Fort Saskatchewan AB 18.00 000090218 Calgary East AB 17.90 000054501 L'Assomption QC 17.60 060410001 San Rafael CA 17.50 069999921 EBAM12 - Sac T CA 17.50 060970003 Santa Rosa - 5th Street CA 17.00 040139812 Durango AZ 16.80 040191113 Geronimo AZ 16.50 040134003 South Phoenix AZ 16.30 060731010 San Diego - Beardsley Street CA 16.10 060374002 North Long Beach CA 16.00 060210002 Willows - E. Laurel Street CA 15.80 060710005 Lake Gregory - Crestline CA 15.50 060950004 Vallejo - 304 Tuolumne Street CA 15.50 000054703 Bécancour (Aréna) QC 15.40 060010007 Livermore - Rincon CA 15.20 010730023 NO. BHAM AL 15.00 080131001 Boulder - CU - 2102 Athens St. CO 15.00 010732003 WYLAM AL 14.90 040130019 West Phoenix AZ 14.10 060811001 Redwood City CA 13.80 060658001 Riverside - Rubidoux CA 13.80 000050801 Ursulines QC 13.30 051191008 ADEQ-DSR AR 13.20 051190007 PARR AR 13.20 011011002 MONTG AL 13.10 010732006 HOOVER AL 12.80 060376012 Santa Clarita CA 12.70 010731010 LEEDS AL 12.40 060959999 Rio Vista CA 12.20 080410017 Colorado College CO 12.10 060850005 San Jose - Jackson St. CA 12.10 040139998 Vehicle Emissions Laboratory AZ 11.90 051390006 El Dorado AR 11.90 040191032 Rose Elementary AZ 11.80 080010006 Commerce City - 7101 Birch St. CO 11.70 010731005 MCADORY AL 11.50 060650012 Banning - South Hathaway Street CA 11.50 000090402 Medicine Hat - Crescent Hts AB 11.30 060010011 Oakland West CA 11.10 060850002 Gilory - 9th Street CA 11.10 050350005 MARION AR 11.10 000090502 Lethbridge AB 10.90 051430005 SPRNGDLE AR 10.90 010735002 PINSON AL 10.60 010735003 CORNER AL 10.60 010731009 PROVIDENCE AL 10.60 000060204 Windsor Downtown ON 10.40 040134010 Dysart AZ 10.30 061112002 Simi Valley - Cochran Street CA 10.20 060750005 San Francisco - Arkansas Street CA 9.90 061110009 Piru - Pacific CA 9.90 000010401 Mount Pearl NF 9.70 061111004 Ojai - Ojai Ave. CA 9.70 000061201 Cornwall ON 9.50 061110007 Thousand Oaks - Moorpark Road CA 9.50 000065801 Chatham ON 9.50 000061004 Sarnia ON 9.40 000020104 CHARLOTTETOWN PE 9.30 000061302 St. Catharines ON 9.10 060670012 Folsom CA 9.00 000094301 Cold Lake South AB 8.70 060090001 San Andreas CA 8.70 000030310 SYDNEY NS 8.60 000061402 Brantford ON 8.50 060659001 Lake Elsinore - W. Flint Street CA 8.20 000063301 Dorset ON 8.00 000061104 Peterborough ON 8.00 000060424 Toronto Downtown ON 8.00 000052301 Saint-Faustin QC 8.00 000041302 BATHURST NB 7.90 000065001 Barrie ON 7.50 080130003 Longmont CO 7.00 060832004 Lompoc H Street CA 6.90 060831008 Santa Maria - Broadway CA 6.80 000040302 MONCTON NB 6.80 000040207 SAINT JOHN WEST NB 6.70 000020301 WELLINGTON PE 6.40 061113001 El Rio - Rio Mesa School #2 CA 4.90 060570005 Grass Valley CA 4.60 000091101 Elk Island AB 4.30 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 3.70 000020401 SOUTHAMPTON PE #coincidences 10-30 and Corr > 0.5 110.40 060731006 Alpine CA 103.20 060870007 Unknown CA 84.40 060670011 Elk Grove CA 63.00 060310004 Corcoran CA 45.20 060690002 Unknown CA 21.10 060670006 Sacramento - Del Paso Manor CA 16.80 060675003 Sloughhouse CA 16.10 000051501 Zéphirin QC 15.90 060012004 Berkeley CA 14.60 060679991 Rancho Seco CA 14.40 060798001 Atascadero CA 12.40 060731008 Camp Pendleton CA 11.10 000060104 Ottawa ON 10.60 000040103 FREDERICTON NB 10.20 000060303 Kingston ON 10.10 060590007 Anaheim CA 9.90 000063701 Grand Bend ON 9.70 060370016 Glendora - Laurel CA 9.50 000061502 Kitchener ON 9.40 000065201 Parry Sound ON 9.30 000065301 Port Stanley ON 9.00 040138005 Estrella AZ 9.00 000065701 Morrisburg ON 9.00 000060512 Hamilton Downtown ON 8.90 000060903 London ON 8.60 080770017 Grand Junction - Powell Building CO 8.20 000062501 Tiverton ON 8.00 000062001 North Bay ON 7.80 000065401 Belleville ON 7.70 000060609 Sudbury ON 7.50 080350004 Chatfield Park - 11500 N. Roxborough Par CO 7.30 000060709 Sault Ste Marie ON 7.00 000091901 Caroline AB 6.20 000040203 FOREST HILLS NB 5.10 000040901 ST ANDREWS NB 4.90 060870003 Unknown CA 4.50 060792004 Mesa 2 /Nipomo CA Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 20.10 060731006 Alpine CA 20.10 060250005 Calexico - Ethel Street CA 18.10 011011002 MONTG AL 14.90 060731010 San Diego - Beardsley Street CA 14.40 010970003 CHICK. AL 13.20 040191034 Coachline AZ 12.50 060870007 Unknown CA 12.50 060850002 Gilory - 9th Street CA 12.50 060690002 Unknown CA 12.50 060530002 Unknown CA 11.00 061113001 El Rio - Rio Mesa School #2 CA 11.00 061111004 Ojai - Ojai Ave. CA 11.00 060832011 GOLETA CA 11.00 060832004 Lompoc H Street CA 11.00 060831008 Santa Maria - Broadway CA 11.00 060830011 Santa Barbara CA 10.50 000010401 Mount Pearl NF 9.30 010735003 CORNER AL 9.30 010735002 PINSON AL 9.30 010732006 HOOVER AL 9.30 010732003 WYLAM AL 9.30 010731010 LEEDS AL 9.30 010730023 NO. BHAM AL 9.20 000061201 Cornwall ON 9.20 000054501 L'Assomption QC 9.20 000054401 Saint-Anicet QC 9.20 000052301 Saint-Faustin QC 8.90 061112002 Simi Valley - Cochran Street CA 8.90 061110009 Piru - Pacific CA 8.90 061110007 Thousand Oaks - Moorpark Road CA 8.90 060731008 Camp Pendleton CA 8.90 060731002 Escondido CA 8.90 060711004 Upland CA 8.90 060710005 Lake Gregory - Crestline CA 8.90 060659001 Lake Elsinore - W. Flint Street CA 8.90 060658001 Riverside - Rubidoux CA 8.90 060651003 Riverside - Magnolia CA 8.90 060590007 Anaheim CA 8.90 060376012 Santa Clarita CA 8.90 060374002 North Long Beach CA 8.90 060371201 Reseda CA 8.90 060371103 Los Angeles - N. Main Street CA 8.90 060371002 Burbank - W. Palm Ave CA 8.90 060370016 Glendora - Laurel CA 8.80 040191113 Geronimo AZ 8.80 040191032 Rose Elementary AZ 8.80 040191030 Green Valley AZ 8.20 000065701 Morrisburg ON 8.20 000060303 Kingston ON 7.80 000065001 Barrie ON 7.80 000061502 Kitchener ON 7.80 000061402 Brantford ON 7.80 000061302 St. Catharines ON 7.80 000060512 Hamilton Downtown ON 7.80 000060424 Toronto Downtown ON 7.70 000065401 Belleville ON 7.70 000061104 Peterborough ON 7.50 060650012 Banning - South Hathaway Street CA 7.40 000060104 Ottawa ON 7.20 000054703 Bécancour (Aréna) QC 7.20 000051501 Zéphirin QC 7.20 000050801 Ursulines QC 7.00 000065801 Chatham ON 7.00 000065301 Port Stanley ON 7.00 000061004 Sarnia ON 7.00 000060903 London ON 6.30 040139998 Vehicle Emissions Laboratory AZ 6.30 040139812 Durango AZ 6.30 040138005 Estrella AZ 6.30 040134010 Dysart AZ 6.30 040134003 South Phoenix AZ 6.30 040130019 West Phoenix AZ 6.20 069999921 EBAM12 - Sac T CA 6.20 061131003 Woodland CA 6.20 061130004 Davis CA 6.20 060970003 Santa Rosa - 5th Street CA 6.20 060959999 Rio Vista CA 6.20 060953002 Vacaville CA 6.20 060950004 Vallejo - 304 Tuolumne Street CA 6.20 060870003 Unknown CA 6.20 060850005 San Jose - Jackson St. CA 6.20 060811001 Redwood City CA 6.20 060771002 Stockton - Hazelton Street CA 6.20 060750005 San Francisco - Arkansas Street CA 6.20 060679991 Rancho Seco CA 6.20 060675003 Sloughhouse CA 6.20 060670012 Folsom CA 6.20 060670011 Elk Grove CA 6.20 060670010 Sacramento - T Street CA 6.20 060670006 Sacramento - Del Paso Manor CA 6.20 060610006 Roseville - N.Sunrise/Douglas CA 6.20 060550003 Napa - Jefferson St CA 6.20 060410003 Point Reyes CA 6.20 060410001 San Rafael CA 6.20 060012004 Berkeley CA 6.20 060010011 Oakland West CA 6.20 060010007 Livermore - Rincon CA 6.20 051390006 El Dorado AR 6.20 051191008 ADEQ-DSR AR 6.20 051190007 PARR AR 6.20 000063701 Grand Bend ON 6.20 000062501 Tiverton ON 6.10 010731009 PROVIDENCE AL 6.10 010731005 MCADORY AL 6.10 010331002 MSHOALS AL 5.90 000030310 SYDNEY NS 5.70 000063301 Dorset ON 5.30 000065201 Parry Sound ON 5.30 000062001 North Bay ON 5.30 000060609 Sudbury ON 5.20 000060204 Windsor Downtown ON 5.00 000020401 SOUTHAMPTON PE 4.70 061072002 Visalia - N. Church Street CA 4.70 060798001 Atascadero CA 4.70 060792004 Mesa 2 /Nipomo CA 4.70 060310004 Corcoran CA 4.70 060290014 Bakersfield - 5558 California Ave CA 4.70 060190008 Fresno - 1st Street CA 4.70 050350005 MARION AR 4.10 000040901 ST ANDREWS NB 4.10 000040801 CANTERBURY NB 3.60 000040209 CASTLE ST. SAINT JO NB 3.60 000040207 SAINT JOHN WEST NB 3.60 000040203 FOREST HILLS NB 3.60 000040103 FREDERICTON NB 3.50 000060709 Sault Ste Marie ON 3.30 060990005 Modesto - 14th Street CA 3.30 060431001 Yosemite Village - Visitor Center CA 3.30 060090001 San Andreas CA 3.20 000040302 MONCTON NB 3.20 000030701 AYLESFORD MOUNTAIN NS 3.20 000020301 WELLINGTON PE 3.20 000020104 CHARLOTTETOWN PE 3.10 061010003 Yuba City CA 3.10 060890007 Anderson CA 3.10 060570005 Grass Valley CA 3.10 060210002 Willows - E. Laurel Street CA 3.10 060074001 Gridley CA 3.10 060072001 Paradise - Birch Street CA 3.10 060070002 Chico - Manzanita CA 2.60 000041302 BATHURST NB 2.30 000090601 Fort Saskatchewan AB 2.30 000090130 Edmonton Central AB 2.30 000090121 Edmonton East AB 2.30 000090120 Edmonton South AB 2.20 061070009 Sequoia/Kings Canyon - Ash Mountain CA 2.20 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 2.20 000091101 Elk Island AB 2.00 000094301 Cold Lake South AB 1.90 060639901 Quincy BAM CA 1.90 060571001 Truckee BAM CA 1.90 000091901 Caroline AB 1.90 000090302 Red Deer AB 1.90 000090222 Calgary Northwest AB 1.90 000090218 Calgary East AB 1.80 080770017 Grand Junction - Powell Building CO 1.80 051430005 SPRNGDLE AR 1.60 080310013 Denver - NJH - 14th Ave. & Albion St. CO 1.60 080310002 Denver - CAMP - 2105 Broadway CO 1.60 080010006 Commerce City - 7101 Birch St. CO 1.60 000090502 Lethbridge AB 1.60 000090402 Medicine Hat - Crescent Hts AB 1.40 080410017 Colorado College CO 1.40 080350004 Chatfield Park - 11500 N. Roxborough Par CO 1.40 080131001 Boulder - CU - 2102 Athens St. CO 1.40 080130003 Longmont CO 1.20 060271023 Bishop Paiute Tribe-CA CA AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)