Correlation between RAQMS!dG!n and AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 0.71 060072001 Paradise - Birch Street CA 0.71 011011002 MONTG AL 0.70 000065001 Barrie ON 0.69 000063701 Grand Bend ON 0.68 060570005 Grass Valley CA 0.68 000065201 Parry Sound ON 0.66 000062001 North Bay ON 0.65 000061502 Kitchener ON 0.64 000061104 Peterborough ON 0.63 060210002 Willows - E. Laurel Street CA 0.62 000040203 FOREST HILLS NB 0.60 010731009 PROVIDENCE AL 0.59 000065401 Belleville ON 0.58 000061402 Brantford ON 0.58 000060303 Kingston ON 0.56 000065301 Port Stanley ON 0.56 000060204 Windsor Downtown ON 0.55 000060709 Sault Ste Marie ON 0.53 010731005 MCADORY AL 0.51 000063301 Dorset ON 0.50 060074001 Gridley CA Correlation between RAQMS!dG!n and AIRNow diurn-avg surface PM2.5 #coincidences >30 and Corr > 0.5 0.93 000065001 Barrie ON 0.89 060072001 Paradise - Birch Street CA 0.86 000090120 Edmonton South AB 0.84 060570005 Grass Valley CA 0.84 000063701 Grand Bend ON 0.80 060210002 Willows - E. Laurel Street CA 0.79 000060204 Windsor Downtown ON 0.78 051430005 SPRNGDLE AR 0.76 060070002 Chico - Manzanita CA 0.76 000065201 Parry Sound ON 0.76 000060512 Hamilton Downtown ON 0.75 011011002 MONTG AL 0.75 000040203 FOREST HILLS NB 0.72 060890007 Anderson CA 0.72 000061502 Kitchener ON 0.70 060074001 Gridley CA 0.70 000061402 Brantford ON 0.67 060374002 North Long Beach CA 0.66 000060104 Ottawa ON 0.63 000090121 Edmonton East AB 0.61 060731002 Escondido CA 0.61 060679991 Rancho Seco CA 0.61 000060424 Toronto Downtown ON 0.58 060659001 Lake Elsinore - W. Flint Street CA 0.57 000061302 St. Catharines ON 0.56 061110007 Thousand Oaks - Moorpark Road CA 0.55 000061004 Sarnia ON 0.54 060792004 Mesa 2 /Nipomo CA 0.53 061010003 Yuba City CA 0.52 000040801 CANTERBURY NB #coincidences 10-30 and Corr > 0.5 0.88 000060609 Sudbury ON 0.82 000062001 North Bay ON 0.80 000060709 Sault Ste Marie ON 0.78 061110009 Piru - Pacific CA 0.75 000062501 Tiverton ON 0.68 061112002 Simi Valley - Cochran Street CA 0.67 000065401 Belleville ON 0.59 000061104 Peterborough ON 0.53 000063301 Dorset ON Mean daytime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 16.50 000010401 Mount Pearl NF 13.40 000020401 SOUTHAMPTON PE 8.90 000030310 SYDNEY NS 4.90 061110007 Thousand Oaks - Moorpark Road CA 3.50 060650012 Banning - South Hathaway Street CA 3.40 040138005 Estrella AZ 3.40 040134010 Dysart AZ 3.00 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 2.30 000020301 WELLINGTON PE 2.20 000060424 Toronto Downtown ON 2.20 000040302 MONCTON NB 2.00 000061302 St. Catharines ON 1.60 000061402 Brantford ON 1.50 000040203 FOREST HILLS NB 1.40 060370016 Glendora - Laurel CA 1.10 000061201 Cornwall ON 1.00 040191034 Coachline AZ 0.80 060659001 Lake Elsinore - W. Flint Street CA 0.80 040191030 Green Valley AZ 0.80 000061502 Kitchener ON 0.80 000040103 FREDERICTON NB 0.70 060690002 Unknown CA #coincidences 10-30 and Corr > 0.5 6.10 000040209 CASTLE ST. SAINT JO NB 3.90 000060903 London ON 3.60 060870003 Unknown CA 1.90 000060609 Sudbury ON 0.90 000065401 Belleville ON 0.90 000030701 AYLESFORD MOUNTAIN NS Mean nighttime bias of RAQMS!dG!n from AIRNow 1-hr surface PM2.5 #coincidences >30 and Corr > 0.5 12.90 000010401 Mount Pearl NF 7.00 000030310 SYDNEY NS 5.50 000020401 SOUTHAMPTON PE 3.50 040191034 Coachline AZ 3.30 061110007 Thousand Oaks - Moorpark Road CA 2.90 040138005 Estrella AZ 2.80 060650012 Banning - South Hathaway Street CA 2.80 000040302 MONCTON NB 2.70 000060424 Toronto Downtown ON 2.40 000061302 St. Catharines ON 2.20 040134010 Dysart AZ 2.20 000061502 Kitchener ON 2.20 000061402 Brantford ON 2.10 040130019 West Phoenix AZ 1.90 060690002 Unknown CA 1.90 000065301 Port Stanley ON 1.80 000040103 FREDERICTON NB 1.70 040139998 Vehicle Emissions Laboratory AZ 1.70 010731009 PROVIDENCE AL 1.30 000060512 Hamilton Downtown ON 1.20 000065001 Barrie ON 1.20 000020301 WELLINGTON PE 1.10 040191030 Green Valley AZ 1.10 000061201 Cornwall ON 0.90 040134003 South Phoenix AZ 0.80 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 0.80 000060204 Windsor Downtown ON 0.70 040139812 Durango AZ 0.70 000065701 Morrisburg ON 0.70 000040203 FOREST HILLS NB 0.60 060530002 Unknown CA 0.60 060370016 Glendora - Laurel CA 0.60 010731010 LEEDS AL 0.60 010731005 MCADORY AL 0.60 000060104 Ottawa ON 0.60 000054501 L'Assomption QC 0.60 000054401 Saint-Anicet QC 0.50 010735003 CORNER AL 0.50 000052301 Saint-Faustin QC 0.50 000040901 ST ANDREWS NB 0.50 000040207 SAINT JOHN WEST NB 0.50 000020104 CHARLOTTETOWN PE #coincidences 10-30 and Corr > 0.5 3.90 000040209 CASTLE ST. SAINT JO NB 3.80 060870003 Unknown CA 2.90 000060903 London ON 2.70 061111004 Ojai - Ojai Ave. CA 2.30 000030701 AYLESFORD MOUNTAIN NS 1.40 000062501 Tiverton ON 0.80 061110009 Piru - Pacific CA 0.80 000061104 Peterborough ON 0.70 000062001 North Bay ON Mean observed daytime surface PM2.5 (6-hourly) #coincidences >30 and Corr > 0.5 216.50 060832004 Lompoc H Street CA 149.30 060670010 Sacramento - T Street CA 145.30 060190008 Fresno - 1st Street CA 118.50 060530002 Unknown CA 114.00 060990005 Modesto - 14th Street CA 94.40 060771002 Stockton - Hazelton Street CA 91.70 061010003 Yuba City CA 87.80 060250005 Calexico - Ethel Street CA 80.10 060610006 Roseville - N.Sunrise/Douglas CA 79.90 060310004 Corcoran CA 76.20 061072002 Visalia - N. Church Street CA 71.80 060290014 Bakersfield - 5558 California Ave CA 61.00 060670006 Sacramento - Del Paso Manor CA 47.20 060670012 Folsom CA 46.40 060070002 Chico - Manzanita CA 40.40 060830011 Santa Barbara CA 38.70 061070009 Sequoia/Kings Canyon - Ash Mountain CA 33.50 060431001 Yosemite Village - Visitor Center CA 31.00 060074001 Gridley CA 30.70 060639901 Quincy BAM CA 29.80 060371103 Los Angeles - N. Main Street CA 29.80 060371002 Burbank - W. Palm Ave CA 28.60 060792004 Mesa 2 /Nipomo CA 27.00 060711004 Upland CA 26.00 060679991 Rancho Seco CA 25.20 060371201 Reseda CA 24.80 060731002 Escondido CA 23.20 060590007 Anaheim CA 22.90 060731010 San Diego - Beardsley Street CA 22.70 060890007 Anderson CA 22.70 060374002 North Long Beach CA 22.60 060658001 Riverside - Rubidoux CA 22.10 060571001 Truckee BAM CA 21.20 060675003 Sloughhouse CA 20.90 060210002 Willows - E. Laurel Street CA 20.60 060410003 Point Reyes CA 20.00 040134003 South Phoenix AZ 19.80 060010007 Livermore - Rincon CA 19.20 040139812 Durango AZ 19.00 060953002 Vacaville CA 18.20 000040801 CANTERBURY NB 18.00 069999921 EBAM12 - Sac T CA 18.00 060710005 Lake Gregory - Crestline CA 17.90 061131003 Woodland CA 17.60 060650012 Banning - South Hathaway Street CA 17.50 060410001 San Rafael CA 17.00 060731008 Camp Pendleton CA 16.60 060950004 Vallejo - 304 Tuolumne Street CA 16.60 000090120 Edmonton South AB 16.50 060550003 Napa - Jefferson St CA 16.40 060970003 Santa Rosa - 5th Street CA 16.40 000090302 Red Deer AB 16.20 010970003 CHICK. AL 16.10 060376012 Santa Clarita CA 16.00 040191113 Geronimo AZ 16.00 040130019 West Phoenix AZ 15.50 060850002 Gilory - 9th Street CA 15.40 060271023 Bishop Paiute Tribe-CA CA 15.20 080310013 Denver - NJH - 14th Ave. & Albion St. CO 15.20 060811001 Redwood City CA 15.20 060012004 Berkeley CA 14.60 000090121 Edmonton East AB 14.60 000050801 Ursulines QC 14.10 060798001 Atascadero CA 13.90 000090502 Lethbridge AB 13.80 061113001 El Rio - Rio Mesa School #2 CA 13.70 080310025 Denver Animal Shelter - 678 S. Jason St. CO 13.60 011011002 MONTG AL 13.50 060959999 Rio Vista CA 13.40 060072001 Paradise - Birch Street CA 13.40 010731010 LEEDS AL 13.40 000094301 Cold Lake South AB 13.20 060090001 San Andreas CA 13.10 010331002 MSHOALS AL 12.70 051191008 ADEQ-DSR AR 12.70 000054703 Bécancour (Aréna) QC 12.30 010730023 NO. BHAM AL 12.20 060010011 Oakland West CA 12.10 060659001 Lake Elsinore - W. Flint Street CA 12.10 010732003 WYLAM AL 11.80 060370016 Glendora - Laurel CA 11.70 051390006 El Dorado AR 11.70 000090601 Fort Saskatchewan AB 11.50 010735003 CORNER AL 11.50 010732006 HOOVER AL 11.40 040139998 Vehicle Emissions Laboratory AZ 11.10 000061004 Sarnia ON 11.10 000054501 L'Assomption QC 11.00 000090218 Calgary East AB 10.90 080410017 Colorado College CO 10.90 060850005 San Jose - Jackson St. CA 10.80 060731006 Alpine CA 10.80 010731005 MCADORY AL 10.70 060750005 San Francisco - Arkansas Street CA 10.70 040191032 Rose Elementary AZ 10.70 000054401 Saint-Anicet QC 10.60 050350005 MARION AR 10.60 000090130 Edmonton Central AB 10.30 060870007 Unknown CA 10.20 051190007 PARR AR 9.60 060670011 Elk Grove CA 9.60 010735002 PINSON AL 9.60 000040901 ST ANDREWS NB 9.50 051430005 SPRNGDLE AR 9.40 080010006 Commerce City - 7101 Birch St. CO 8.90 000060204 Windsor Downtown ON 8.90 000030310 SYDNEY NS 8.80 010731009 PROVIDENCE AL 8.80 000065001 Barrie ON 8.70 000060512 Hamilton Downtown ON 8.60 060690002 Unknown CA 8.20 000065301 Port Stanley ON 8.10 060570005 Grass Valley CA 8.00 000061502 Kitchener ON 7.80 000065801 Chatham ON 7.70 000020104 CHARLOTTETOWN PE 7.60 040191034 Coachline AZ 7.60 000060424 Toronto Downtown ON 7.40 040138005 Estrella AZ 7.40 000063701 Grand Bend ON 7.30 040134010 Dysart AZ 7.20 000052301 Saint-Faustin QC 7.20 000041302 BATHURST NB 6.70 000061302 St. Catharines ON 6.60 000065701 Morrisburg ON 6.40 061110007 Thousand Oaks - Moorpark Road CA 6.30 000065201 Parry Sound ON 6.30 000061402 Brantford ON 6.10 000040302 MONCTON NB 6.00 000061201 Cornwall ON 6.00 000040207 SAINT JOHN WEST NB 6.00 000040103 FREDERICTON NB 5.70 000060104 Ottawa ON 5.70 000040203 FOREST HILLS NB 5.40 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 5.30 040191030 Green Valley AZ 5.10 000091101 Elk Island AB 5.10 000020301 WELLINGTON PE 5.00 080310002 Denver - CAMP - 2105 Broadway CO 5.00 000010401 Mount Pearl NF 3.50 000020401 SOUTHAMPTON PE #coincidences 10-30 and Corr > 0.5 53.60 060831008 Santa Maria - Broadway CA 34.70 000091901 Caroline AB 20.50 061112002 Simi Valley - Cochran Street CA 19.50 060651003 Riverside - Magnolia CA 14.40 061130004 Davis CA 14.00 061110009 Piru - Pacific CA 11.90 080131001 Boulder - CU - 2102 Athens St. CO 9.60 000090222 Calgary Northwest AB 9.30 061111004 Ojai - Ojai Ave. CA 9.30 000060303 Kingston ON 8.80 080770017 Grand Junction - Powell Building CO 8.70 000051501 Zéphirin QC 7.70 000061104 Peterborough ON 7.20 000065401 Belleville ON 6.90 000063301 Dorset ON 6.90 000062001 North Bay ON 6.60 000062501 Tiverton ON 6.40 060870003 Unknown CA 5.90 080130003 Longmont CO 5.90 000030701 AYLESFORD MOUNTAIN NS 5.10 000060709 Sault Ste Marie ON 5.00 000040209 CASTLE ST. SAINT JO NB 4.40 000060609 Sudbury ON 4.10 000060903 London ON Mean observed cloudiness (MODIS COT) RAQMS!dG!n 18Z yesterday surface PM2.5 #coincidences and Corr > 0.5 20.40 060731006 Alpine CA 20.40 060250005 Calexico - Ethel Street CA 19.70 040191034 Coachline AZ 12.90 060650012 Banning - South Hathaway Street CA 10.20 000030310 SYDNEY NS 9.50 011011002 MONTG AL 9.30 061112002 Simi Valley - Cochran Street CA 9.30 061110009 Piru - Pacific CA 9.30 061110007 Thousand Oaks - Moorpark Road CA 9.30 060731008 Camp Pendleton CA 9.30 060731002 Escondido CA 9.30 060711004 Upland CA 9.30 060710005 Lake Gregory - Crestline CA 9.30 060659001 Lake Elsinore - W. Flint Street CA 9.30 060658001 Riverside - Rubidoux CA 9.30 060651003 Riverside - Magnolia CA 9.30 060590007 Anaheim CA 9.30 060376012 Santa Clarita CA 9.30 060374002 North Long Beach CA 9.30 060371201 Reseda CA 9.30 060371103 Los Angeles - N. Main Street CA 9.30 060371002 Burbank - W. Palm Ave CA 9.30 060370016 Glendora - Laurel CA 9.00 060731010 San Diego - Beardsley Street CA 9.00 000065001 Barrie ON 9.00 000061502 Kitchener ON 9.00 000061402 Brantford ON 9.00 000061302 St. Catharines ON 9.00 000060512 Hamilton Downtown ON 9.00 000060424 Toronto Downtown ON 8.30 010970003 CHICK. AL 8.10 040191113 Geronimo AZ 8.10 040191032 Rose Elementary AZ 8.10 040191030 Green Valley AZ 8.10 000020401 SOUTHAMPTON PE 7.60 010735003 CORNER AL 7.60 010735002 PINSON AL 7.60 010732006 HOOVER AL 7.60 010732003 WYLAM AL 7.60 010731010 LEEDS AL 7.60 010730023 NO. BHAM AL 7.10 010731009 PROVIDENCE AL 7.10 010731005 MCADORY AL 7.10 010331002 MSHOALS AL 7.00 000065801 Chatham ON 7.00 000065301 Port Stanley ON 7.00 000061004 Sarnia ON 7.00 000060903 London ON 6.90 000060204 Windsor Downtown ON 6.50 050350005 MARION AR 6.40 000065201 Parry Sound ON 6.40 000062001 North Bay ON 6.40 000060609 Sudbury ON 6.30 000063701 Grand Bend ON 6.30 000062501 Tiverton ON 6.10 040139998 Vehicle Emissions Laboratory AZ 6.10 040139812 Durango AZ 6.10 040138005 Estrella AZ 6.10 040134010 Dysart AZ 6.10 040134003 South Phoenix AZ 6.10 040130019 West Phoenix AZ 5.70 000065401 Belleville ON 5.70 000061104 Peterborough ON 5.60 000060709 Sault Ste Marie ON 5.50 000061201 Cornwall ON 5.50 000054501 L'Assomption QC 5.50 000054401 Saint-Anicet QC 5.50 000052301 Saint-Faustin QC 5.50 000010401 Mount Pearl NF 5.30 051390006 El Dorado AR 5.30 051191008 ADEQ-DSR AR 5.30 051190007 PARR AR 5.20 000054703 Bécancour (Aréna) QC 5.20 000051501 Zéphirin QC 5.20 000050801 Ursulines QC 5.10 000065701 Morrisburg ON 5.10 000063301 Dorset ON 5.10 000060303 Kingston ON 5.00 060870003 Unknown CA 5.00 069999921 EBAM12 - Sac T CA 5.00 061131003 Woodland CA 5.00 061130004 Davis CA 5.00 060970003 Santa Rosa - 5th Street CA 5.00 060959999 Rio Vista CA 5.00 060953002 Vacaville CA 5.00 060950004 Vallejo - 304 Tuolumne Street CA 5.00 060850005 San Jose - Jackson St. CA 5.00 060811001 Redwood City CA 5.00 060771002 Stockton - Hazelton Street CA 5.00 060750005 San Francisco - Arkansas Street CA 5.00 060679991 Rancho Seco CA 5.00 060675003 Sloughhouse CA 5.00 060670012 Folsom CA 5.00 060670011 Elk Grove CA 5.00 060670010 Sacramento - T Street CA 5.00 060670006 Sacramento - Del Paso Manor CA 5.00 060610006 Roseville - N.Sunrise/Douglas CA 5.00 060550003 Napa - Jefferson St CA 5.00 060410003 Point Reyes CA 5.00 060410001 San Rafael CA 5.00 060012004 Berkeley CA 5.00 060010011 Oakland West CA 5.00 060010007 Livermore - Rincon CA 4.90 000060104 Ottawa ON 4.30 061113001 El Rio - Rio Mesa School #2 CA 4.30 061111004 Ojai - Ojai Ave. CA 4.30 060832004 Lompoc H Street CA 4.30 060831008 Santa Maria - Broadway CA 4.30 060830011 Santa Barbara CA 4.00 051430005 SPRNGDLE AR 3.90 000090601 Fort Saskatchewan AB 3.90 000090130 Edmonton Central AB 3.90 000090121 Edmonton East AB 3.90 000090120 Edmonton South AB 3.50 000040901 ST ANDREWS NB 3.50 000040801 CANTERBURY NB 3.50 000040302 MONCTON NB 3.50 000030701 AYLESFORD MOUNTAIN NS 3.50 000020301 WELLINGTON PE 3.50 000020104 CHARLOTTETOWN PE 3.20 000040209 CASTLE ST. SAINT JO NB 3.20 000040207 SAINT JOHN WEST NB 3.20 000040203 FOREST HILLS NB 3.20 000040103 FREDERICTON NB 3.10 061070009 Sequoia/Kings Canyon - Ash Mountain CA 3.10 060271018 Lone Pine Paiute/Shoshone Tribe-CA CA 3.10 000091101 Elk Island AB 2.80 000091901 Caroline AB 2.80 000090302 Red Deer AB 2.80 000090222 Calgary Northwest AB 2.80 000090218 Calgary East AB 2.70 060530002 Unknown CA 2.70 060870007 Unknown CA 2.70 060850002 Gilory - 9th Street CA 2.70 060690002 Unknown CA 2.70 000094301 Cold Lake South AB 2.60 000041302 BATHURST NB 2.30 061072002 Visalia - N. Church Street CA 2.30 060798001 Atascadero CA 2.30 060792004 Mesa 2 /Nipomo CA 2.30 060310004 Corcoran CA 2.30 060290014 Bakersfield - 5558 California Ave CA 2.30 060190008 Fresno - 1st Street CA 1.70 000090502 Lethbridge AB 1.20 061010003 Yuba City CA 1.20 060890007 Anderson CA 1.20 060570005 Grass Valley CA 1.20 060210002 Willows - E. Laurel Street CA 1.20 060074001 Gridley CA 1.20 060072001 Paradise - Birch Street CA 1.20 060070002 Chico - Manzanita CA 1.00 080770017 Grand Junction - Powell Building CO 1.00 080310025 Denver Animal Shelter - 678 S. Jason St. CO 1.00 080310013 Denver - NJH - 14th Ave. & Albion St. CO 1.00 080310002 Denver - CAMP - 2105 Broadway CO 1.00 080010006 Commerce City - 7101 Birch St. CO 1.00 060639901 Quincy BAM CA 1.00 060571001 Truckee BAM CA 0.90 080410017 Colorado College CO 0.90 080350004 Chatfield Park - 11500 N. Roxborough Par CO 0.90 080131001 Boulder - CU - 2102 Athens St. CO 0.90 080130003 Longmont CO 0.70 060990005 Modesto - 14th Street CA 0.70 060431001 Yosemite Village - Visitor Center CA 0.70 060090001 San Andreas CA AIRNow 18Z yesterday 1-hr surface PM2.5 AIRNow yesterday maximum 1-hr surface PM2.5 Yesterday observed cloudiness (MODIS COT)