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Smog in Shanghai, China

Chicago Illinois

Change in NO2:
-47.49
Year:
2016
Average NO2:
11.42
Uncertainty (±%):
9.63
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Chicago Illinois Trend Map

OMI versus AQS data for Chicago. The filled circles represent trends for EPA AQS surface monitors.

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Chicago Illinois Line Plot

Monthly OMI Nitrogen Dioxide data (top panel) and de-seasonalized data (bottom panel) for Chicago Illinois

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Image Credit:

NASA Goddard's Scientific Visualization Studio/T. Schindler.

Chicago Comparative Imagery

Satellite data show that Chicago has seen a 43 percent decrease in nitrogen dioxide between the 2005-2007 and 2009-2011 periods. Nitrogen dioxide is a key ingredient in forming ozone, which is consistently highest above lake Michigan on hot summer days when air tends to flow northward over the lake from the Chicago area.

Large City Image
Image Credit:

Astronaut photograph ISS041-E-103791. Acquired October 28, 2014.

Make your own plots!  Download either our ASCII file or our Excel file that contain monthly-averaged OMI NO2 data for a number of US metro areas from 2005 to 2016.  The file can be easily imported into Microsoft Excel, for instance.


Select from the cities below to find data and plots specific to each location. To sort, simply click on one of the column headings.

City State Sort ascending 2016 Average NO2 (10^15 molec cm^-2) Uncertainty (%) Change since 2005 (%)
Madison Wisconsin Wisconsin 2.69 10.42 -19.25
Milwaukee Wisconsin Wisconsin 6.48 10.05 -46.31
Spokane Washington Washington 1.80 8.13 -28.54
Tacoma Washington Washington 5.47 9.85 -44.85
Seattle Washington Washington 5.54 8.36 -51.87
Vancouver Washington Washington 3.74 8.93 -52.73
Chesapeake Virginia Virginia 3.57 8.20 -43.71
Richmond Virginia Virginia 4.87 7.87 -46.56
Norfolk Virginia Virginia 4.10 8.01 -50.25
Virginia Beach Virginia Virginia 3.80 9.31 -46.36
Newport News Virginia Virginia 3.86 8.43 -46.41
Salt Lake City Utah Utah 6.11 18.38 -57.39
Plano Texas Texas 4.28 7.55 -36.59
Amarillo Texas Texas 1.62 8.68 -24.85
San Antonio Texas Texas 3.14 6.94 -30.71
Brownsville Texas Texas 1.18 8.78 -4.67
Laredo Texas Texas 1.67 8.40 -20.92
Houston Texas Texas 5.80 7.39 -40.6
McKinney Texas Texas 3.15 9.06 -34.86
Irving Texas Texas 5.15 6.62 -42.28
Dallas Texas Texas 4.63 6.53 -40.25
Arlington Texas Texas 4.69 6.26 -40.5
El Paso Texas Texas 2.48 6.41 -33.86
Austin Texas Texas 2.90 7.88 -27.32
Corpus Christi Texas Texas 1.42 11.13 -8.54
Garland Texas Texas 4.23 7.25 -35.18
Lubbock Texas Texas 1.50 8.83 -17.96
Fort Worth Texas Texas 4.03 6.46 -40.28
Grand Prairie Texas Texas 4.50 6.21 -40.65
Memphis Tennessee Tennessee 3.41 8.28 -43.01
Chattanooga Tennessee Tennessee 3.97 8.03 -49.68
Knoxville Tennessee Tennessee 4.21 8.04 -49.98
Nashville Tennessee Tennessee 4.49 9.45 -45.51
Sioux Falls South Dakota South Dakota 1.34 11.47 5.15
Providence Rhode Island Rhode Island 4.95 9.66 -36.64
Pittsburgh Pennsylvania Pennsylvania 9.26 10.39 -50.73
Philadelphia Pennsylvania Pennsylvania 9.09 7.98 -47.59
Portland Oregon Oregon 3.97 9.09 -53.9
Tulsa Oklahoma Oklahoma 2.94 7.44 -37.62
Oklahoma City Oklahoma Oklahoma 2.82 7.62 -35.63
Cleveland Ohio Ohio 6.70 9.59 -42.81
Akron Ohio Ohio 5.47 9.99 -37.92
Toledo Ohio Ohio 6.05 8.44 -40.27
Cincinnati Ohio Ohio 7.28 7.83 -50.45
Columbus Ohio Ohio 4.90 11.72 -31.84
Fayetteville North Carolina North Carolina 3.28 8.04 -40.07
Winston Salem North Carolina North Carolina 4.10 7.81 -44.27
Raleigh North Carolina North Carolina 3.95 7.52 -44.46
Charlotte North Carolina North Carolina 4.92 6.78 -48.56
Greensboro North Carolina North Carolina 4.50 7.76 -46.85
Durham North Carolina North Carolina 3.83 7.38 -44.29
Rochester New York New York 3.51 11.21 -33.99
Buffalo New York New York 4.17 10.17 -38.17
New York New York New York 15.95 7.24 -46.9
Yonkers New York New York 11.33 9.04 -50.33
Albuquerque New Mexico New Mexico 2.00 7.21 -49.38
Newark New Jersey New Jersey 13.75 8.21 -45.07
Jersey City New Jersey New Jersey 15.16 7.70 -47.23
Las Vegas Nevada Nevada 4.24 6.98 -57.67
Henderson Nevada Nevada 4.16 7.08 -58.31
North Las Vegas Nevada Nevada 4.00 6.93 -59
Reno Nevada Nevada 1.97 9.50 -51.96
Omaha Nebraska Nebraska 2.58 10.19 -27.96
Lincoln Nebraska Nebraska 1.85 10.62 -15
Kansas City Missouri Missouri 4.21 7.59 -53.72
St. Louis Missouri Missouri 5.25 7.73 -42.72
Jackson Mississippi Mississippi 2.10 9.75 -23.89
Minneapolis Minnesota Minnesota 5.25 10.74 -39.41
Saint Paul Minnesota Minnesota 5.30 10.60 -38.2
Grand Rapids Michigan Michigan 4.33 13.65 -33.04
Detroit Michigan Michigan 8.26 9.47 -44.21
Worcester Massachusetts Massachusetts 4.07 12.04 -29.67
Boston Massachusetts Massachusetts 6.29 9.54 -43.19
Baltimore Maryland Maryland 8.57 6.74 -49.14
Baton Rouge Louisiana Louisiana 3.63 7.94 -36.1
Shreveport Louisiana Louisiana 2.52 8.36 -34.35
New Orleans Louisiana Louisiana 2.97 8.19 -26.54
Louisville Kentucky Kentucky 5.53 9.28 -44.91
Lexington Kentucky Kentucky 3.79 9.44 -37.44
Overland Park Kansas Kansas 3.52 8.18 -47.23
Wichita Kansas Kansas 1.93 8.99 -20.37
Des Moines Iowa Iowa 2.20 9.50 -25.86
Fort Wayne Indiana Indiana 3.47 11.44 -17.51
Indianapolis Indiana Indiana 5.54 8.79 -41.03
Chicago Illinois Illinois 11.42 9.63 -47.49
Aurora Illinois Illinois 7.04 9.75 -33.83
Boise Idaho Idaho 1.91 11.35 -40.95
Honolulu Hawaii Hawaii 0.94 7.05 -26.7
Columbus Georgia Georgia 2.30 8.80 -32.59
Augusta Georgia Georgia 2.93 8.16 -39.49
Atlanta Georgia Georgia 6.45 7.20 -57.71
Tallahassee Florida Florida 1.63 8.77 -22.62
Jacksonville Florida Florida 3.54 7.50 -42.88
Hialeah Florida Florida 3.02 6.95 -40.4
Orlando Florida Florida 3.57 5.91 -37.17
St. Petersburg Florida Florida 2.86 8.24 -48.35
Fort Lauderdale Florida Florida 2.88 7.16 -46.7
Pembroke Pines Florida Florida 2.86 6.43 -45.42
Port St. Lucie Florida Florida 1.82 7.62 -21.41
Miami Florida Florida 3.02 8.08 -36.7
Tampa Florida Florida 3.50 7.31 -53.1
Cape Coral Florida Florida 1.54 8.08 -31.69
Washington D.C. District of Columbia 8.65 6.80 -50.72
Aurora Colorado Colorado 5.42 7.41 -43.2
Colorado Springs Colorado Colorado 2.32 8.00 -37.77
Denver Colorado Colorado 5.42 7.41 -43.2
Fontana California California 12.37 5.43 -63.87
San Bernardino California California 9.49 5.54 -58.45
Rancho Cucamonga California California 12.78 5.37 -65.25
Fresno California California 3.09 10.39 -58.82
Oceanside California California 3.33 10.99 -53.91
Glendale California California 15.15 5.40 -65.69
Santa Clarita California California 4.95 6.54 -64.02
Modesto California California 3.98 8.23 -58.1
Los Angeles California California 13.32 6.01 -62.44
Huntington Beach California California 8.78 8.42 -52.19
Riverside California California 11.42 5.95 -64.84
Fremont California California 5.26 8.70 -63.43
Oakland California California 5.32 8.15 -54.3
Santa Ana California California 11.84 6.71 -61
Long Beach California California 15.81 6.71 -58.01
Elk Grove California California 4.15 7.53 -54.8
Stockton California California 4.28 7.50 -61.29
Bakersfield California California 4.25 7.80 -62.53
Ontario California California 15.09 5.38 -66.51
San Jose California California 4.19 9.42 -61.65
Irvine California California 8.30 7.42 -61.53
San Francisco California California 4.33 10.15 -46.94
Moreno Valley California California 9.75 6.12 -64.18
Chula Vista California California 4.88 7.97 -50.27
Sacramento California California 4.34 7.07 -54.89
San Diego California California 4.08 9.07 -54.16
Garden Grove California California 12.41 6.94 -58.59
Oxnard California California 2.86 10.28 -49.47
Santa Rosa California California 1.53 11.09 -28.41
Anaheim California California 13.45 5.93 -63.61
Little Rock Arkansas Arkansas 2.57 8.66 -34.03
Mesa Arizona Arizona 4.45 6.59 -56.11
Glendale Arizona Arizona 6.76 7.25 -62.86
Tucson Arizona Arizona 2.25 6.50 -52.29
Phoenix Arizona Arizona 6.79 7.00 -64.26
Gilbert Arizona Arizona 3.95 6.64 -54.07
Tempe Arizona Arizona 4.84 6.59 -59.28
Chandler Arizona Arizona 3.51 7.15 -52.62
Scottsdale Arizona Arizona 4.92 7.14 -61.05
Anchorage Alaska Alaska 1.50 12.60 -57.43
Huntsville Alabama Alabama 2.84 8.85 -36.41
Mobile Alabama Alabama 2.87 8.09 -29.88
Birmingham Alabama Alabama 4.08 7.09 -53.35
Montgomery Alabama Alabama 2.59 7.97 -37.03