There are 167 stations on the map: HFD FIRE STATION21 (185) - Clean Air Coalition of Greater Ravena-Coeymans / Capital Region Air Justice Lab #20 (Coeymans) Info at: www.mediasanctuary.org/ajl (166) - Queens College, New York (162) - NATURE Lab / Capital Region Air Justice Lab #8 (Lansingburgh) Info at: www.mediasanctuary.org (160) - Glassport High Street, Allegheny, Pennsylvania (159) - Dayton - Sinclair, Ohio (157) - Indpls-W.18th St, Indiana (156) - Taft, Ohio (154) - NMH48217, Michigan (153) - White Plains, New York (139) - Grand Rapids, Michigan (137) - Military Park, Michigan (131) - Elizabeth Trailer, NewJersey (130) - East High School, Ohio (130) - Harrisburg, Pennsylvania (128) - Nku, Kentucky (124) - East Syracuse, New York (122) - Columbus NR - Smoky Row, Ohio (118) - Lansing Filley St, Michigan (117) - Colerain, Ohio (117) - Jeffersonville - Bates-Bowyer Av, Indiana (116) - Hartford-Huntley, Connecticut (113) - G.T.Craig, Ohio (110) - Hershey, Pennsylvania (109) - Chester, Pennsylvania (105) - Rochester, New York (102) - Worcester Summer St (102) - Norristown, Pennsylvania (101) - NASA_AQCS_5 (99) - Troost, Missouri (97) - Blaine, Minnesota (97) - NASA_AQCS_46 (96) - Branch Street, Missouri (96) - Bristol, Pennsylvania (96) - Haycock Rd (95) - KMANSTX125 (95) - St. Paul-Harding H.S., Minnesota (94) - Madison East, Wisconsin (92) - Erie, Ohio (92) - Carpenter, Des Moines, Iowa (87) - Seastreak (87) - NotUnhealthy.com (87) - East St. Louis, Illinois (86) - Buffalo, New York (85) - Wylam, Alabama (84) - Milwaukee-college Ave Nr, Wisconsin (84) - Shuttlesworth, Alabama (83) - Newtwn, Kentucky (82) - Boston Von Hillern (80) - Parr, Arkansas (79) - Heritage Park, Kansas (78) - NASA_AQCS_12 (77) - East 8th Street (76) - Chi_sp, Illinois (73) - Watson, Kentucky (72) - Chi_com, Illinois (72) - Rockford, Illinois (72) - Kooker Park, Jacksonville, Duval, Florida (70) - Hville, Tennessee (70) - Joliet, Illinois (69) - Public Health, Iowa (68) - Tulsa, Oklahoma (68) - Hattieaven, North Carolina (68) - Columbus Airport (67) - Springfield Ag, Illinois (66) - Padonia, Maryland (65) - South DeKalb (64) - Shelby Farms, Tennessee (63) - Haws Athletic Center, fort Worth, Dallas, Texas (63) - Air Lab, Tennessee (62) - Milton Blue Hill Observatory (61) - East Hartford, Connecticut (61) - EH&S Building (60) - Montg, Alabama (60) - Rg_south, Missouri (60) - Waco Mazanec, Waco, Texas (60) - Moore, Oklahoma (59) - Killens, Delaware (59) - Riverside, Tennessee (58) - Marion, Arkansas (58) - Pacific Grove Middle School (57) - Huntsville Old Airport, Alabama (56) - Lathrop (56) - KNI-Topeka, Kansas (56) - North OKC, Oklahoma (55) - Near Road OKC, Oklahoma (55) - Mayo Clinic, Duval, Florida (55) - Tallahassee Community College, Leon, Florida (54) - Munro, Hillsborough, Florida (54) - BismarckWeather.net (53) - Shreveport Downtown Airport site, Louisiana (53) - WHlthDpt, Kansas (53) - W Owen Sch, North Carolina (53) - SDSU1 (53) - Heritage Middle School, San Antonio, Texas (52) - Hinds CC, Mississippi (52) - Clarksville, Tennessee (50) - Ncore, Nebraska (50) - Parkgate, Anchorage, Alaska (46) - Bismarck Residential, North Dakota (46) - Hanover, Richmond (45) - Baton Rouge Capitol site, Louisiana (45) - Beach Road VDOT, Richmond (45) - Hillcrest HS, Missouri (43) - Miami Fire Station - Station #5, Miami-Dade, Florida (43) - NASA Langley Research Center, Hampton Roads (43) - Ontario-Route 60 Near Road, San Bernardino, California (43) - Rossiter Pump House, Montana (42) - Anaheim-Loara School, Orange, California (40) - Central and James, Kent, Washington (38) - Salinas #3, Monterey, California (38) - Paynes Prairie State Park, Alachua, Florida (37) - Seminole Community College, Seminole, Florida (37) - Del Norte, New Mexico (37) - Long Beach-Route 710 Near Road, Los Angeles, California (36) - Salt Lake City, Utah (36) - Lubbock 12th Street, Lubbock, Texas (36) - World Trade Bridge, Laredo, Texas (35) - Sydney, Hillsborough, Florida (34) - Socorro Hueco, El Paso, Texas (34) - S 36th St, Tacoma, Washington (34) - Chick., Alabama (34) - Vancouver NE 84th Ave, Washington (34) - Rio Linda & Grand (34) - Del Paso & El Camino (33) - Santa Teresa, New Mexico (32) - Dallas Hinton, fort Worth, Dallas, Texas (30) - Maryvill, Tennessee (30) - San Rafael, Marin, California (30) - Sierra Park ES (6753) (30) - Llchd Bam, Nebraska (30) - Turner Cascade Jr. High, Oregon (30) - Clovis-N Villa Avenue, Fresno, California (30) - San Jose - Jackson St, Santa Clara, California (28) - Aromas School (26) - Stanley Hall (25) - Cheyenne NCore, Wyoming (25) - Austin Webberville Rd, Austin, Texas (25) - Bakersfield-California Avenue, Kern, California (24) - Saint Augustine (24) - Raymond Case Colo (23) - Fresno - Drummond Street, Fresno, California (23) - Rose Elementary, Pima County (22) - Glendale, Maricopa (22) - Turlock-S Minaret Street, Stanislaus, California (22) - New Orleans City Park site, Louisiana (22) - Modesto-14th Street, Stanislaus, California (22) - Doelger Ctr. (21) - Pierre, South Dakota (20) - Sauvie Island, Oregon (18) - Kapolei, Hawaii (18) - HueLights.com - Visualize air quality with smart lights (16) - Dona Park, Corpus Christi, Texas (15) - Floyd Dryden, Alaska (14) - College St, Lacey, Washington (14) - Fort Collins - CSU Facilities, Colorado (13) - Houston Deer Park #2, Houston, Texas (13) - Beaverton, Oregon (12) - Houston Aldine, Houston, Texas (9) - Colorado College, Colorado (9) - Denton Airport South, fort Worth, Dallas, Texas (8) - Chatfield Park, Colorado (8) - Austin Northwest, Austin, Texas (8) - Charleston, West Virginia (6) - San Antonio Northwest, San Antonio, Texas (4) - TahoeCleanAir.org (0) - UCANR Lindcove REC (no data)