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Los Angeles California

Change in NO2: 

-62.44

2016 Avg. NO2: 
13.32
Data Plot

Los Angeles California Trend Map

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

Line Graph

Los Angeles California Line Plot

OMI versus AQS data for Los Angeles California

LA and San Diego
Image Credit: 
NASA Goddard's Scientific Visualization Studio/T. Schindler.

Los Angeles and San Diego Comparison Imagery

Satellite data show that Los Angeles has seen a 40 percent decrease in nitrogen dioxide between the 2005-2007 and the 2009-2011 periods. Cities in the U.S. West tend to be more geographically isolated than those in the U.S. East, which means that air pollution in one city is usually not a problem for cities downwind. However, western topography comes with its own issues. Bound by mountains, the Los Angeles basin forms a trap for pollution. Even so, factors including technology improvements have led to cleaner air.

Image Credit: 

Astronaut photograph ISS006-E-36913. Acquired March 10, 2003.

NO2 Levels for Top US Cities

City State 2016 Avg. NO2 Uncertainty (±%) Change in NO2
New York City New York 15.95 7.24

-46.9

Long Beach California 15.81 6.71

-58.01

Jersey City New Jersey 15.16 7.70

-47.23

Glendale California 15.15 5.40

-65.69

Ontario California 15.09 5.38

-66.51

Newark New Jersey 13.75 8.21

-45.07

Anaheim California 13.45 5.93

-63.61

Los Angeles California 13.32 6.01

-62.44

Rancho Cucamonga California 12.78 5.37

-65.25

Garden Grove California 12.41 6.94

-58.59

Fontana California 12.37 5.43

-63.87

Santa Ana California 11.84 6.71

-61

Chicago Illinois 11.42 9.63

-47.49

Riverside California 11.42 5.95

-64.84

Yonkers New York 11.33 9.04

-50.33

Moreno Valley California 9.75 6.12

-64.18

San Bernardino California 9.49 5.54

-58.45

Pittsburgh Pennsylvania 9.26 10.39

-50.73

Philadelphia Pennsylvania 9.09 7.98

-47.59

Huntington Beach California 8.78 8.42

-52.19

Washington D.C. District of Columbia 8.65 6.80

-50.72

Baltimore Maryland 8.57 6.74

-49.14

Irvine California 8.30 7.42

-61.53

Detroit Michigan 8.26 9.47

-44.21

Cincinnati Ohio 7.28 7.83

-50.45

Aurora Illinois 7.04 9.75

-33.83

Phoenix Arizona 6.79 7.00

-64.26

Glendale Arizona 6.76 7.25

-62.86

Cleveland Ohio 6.70 9.59

-42.81

Milwaukee Wisconsin 6.48 10.05

-46.31

Atlanta Georgia 6.45 7.20

-57.71

Boston Massachusetts 6.29 9.54

-43.19

Salt Lake City Utah 6.11 18.38

-57.39

Toledo Ohio 6.05 8.44

-40.27

Houston Texas 5.80 7.39

-40.6

Seattle Washington 5.54 8.36

-51.87

Indianapolis Indiana 5.54 8.79

-41.03

Louisville Kentucky 5.53 9.28

-44.91

Akron Ohio 5.47 9.99

-37.92

Tacoma Washington 5.47 9.85

-44.85

Denver Colorado 5.42 7.41

-43.2

Aurora Colorado 5.42 7.41

-43.2

Oakland California 5.32 8.15

-54.3

Saint Paul Minnesota 5.30 10.60

-38.2

Fremont California 5.26 8.70

-63.43

Minneapolis Minnesota 5.25 10.74

-39.41

St. Louis Missouri 5.25 7.73

-42.72

Irving Texas 5.15 6.62

-42.28

Providence Rhode Island 4.95 9.66

-36.64

Santa Clarita California 4.95 6.54

-64.02

Scottsdale Arizona 4.92 7.14

-61.05

Charlotte North Carolina 4.92 6.78

-48.56

Columbus Ohio 4.90 11.72

-31.84

Chula Vista California 4.88 7.97

-50.27

Richmond Virginia 4.87 7.87

-46.56

Tempe Arizona 4.84 6.59

-59.28

Arlington Texas 4.69 6.26

-40.5

Dallas Texas 4.63 6.53

-40.25

Grand Prairie Texas 4.50 6.21

-40.65

Greensboro North Carolina 4.50 7.76

-46.85

Nashville Tennessee 4.49 9.45

-45.51

Mesa Arizona 4.45 6.59

-56.11

Sacramento California 4.34 7.07

-54.89

San Francisco California 4.33 10.15

-46.94

Grand Rapids Michigan 4.33 13.65

-33.04

Plano Texas 4.28 7.55

-36.59

Stockton California 4.28 7.50

-61.29

Bakersfield California 4.25 7.80

-62.53

Las Vegas Nevada 4.24 6.98

-57.67

Garland Texas 4.23 7.25

-35.18

Kansas City Missouri 4.21 7.59

-53.72

Knoxville Tennessee 4.21 8.04

-49.98

San Jose California 4.19 9.42

-61.65

Buffalo New York 4.17 10.17

-38.17

Henderson Nevada 4.16 7.08

-58.31

Elk Grove California 4.15 7.53

-54.8

Norfolk Virginia 4.10 8.01

-50.25

Winston Salem North Carolina 4.10 7.81

-44.27

Birmingham Alabama 4.08 7.09

-53.35

San Diego California 4.08 9.07

-54.16

Worcester Massachusetts 4.07 12.04

-29.67

Fort Worth Texas 4.03 6.46

-40.28

North Las Vegas Nevada 4.00 6.93

-59

Modesto California 3.98 8.23

-58.1

Chattanooga Tennessee 3.97 8.03

-49.68

Portland Oregon 3.97 9.09

-53.9

Gilbert Arizona 3.95 6.64

-54.07

Raleigh North Carolina 3.95 7.52

-44.46

Newport News Virginia 3.86 8.43

-46.41

Durham North Carolina 3.83 7.38

-44.29

Virginia Beach Virginia 3.80 9.31

-46.36

Lexington Kentucky 3.79 9.44

-37.44

Vancouver Washington 3.74 8.93

-52.73

Baton Rouge Louisiana 3.63 7.94

-36.1

Chesapeake Virginia 3.57 8.20

-43.71

Orlando Florida 3.57 5.91

-37.17

Jacksonville Florida 3.54 7.50

-42.88

Overland Park Kansas 3.52 8.18

-47.23

Chandler Arizona 3.51 7.15

-52.62

Rochester New York 3.51 11.21

-33.99

Tampa Florida 3.50 7.31

-53.1

Fort Wayne Indiana 3.47 11.44

-17.51

Memphis Tennessee 3.41 8.28

-43.01

Oceanside California 3.33 10.99

-53.91

Fayetteville North Carolina 3.28 8.04

-40.07

McKinney Texas 3.15 9.06

-34.86

San Antonio Texas 3.14 6.94

-30.71

Fresno California 3.09 10.39

-58.82

Miami Florida 3.02 8.08

-36.7

Hialeah Florida 3.02 6.95

-40.4

New Orleans Louisiana 2.97 8.19

-26.54

Tulsa Oklahoma 2.94 7.44

-37.62

Augusta Georgia 2.93 8.16

-39.49

Austin Texas 2.90 7.88

-27.32

Fort Lauderdale Florida 2.88 7.16

-46.7

Mobile Alabama 2.87 8.09

-29.88

Oxnard California 2.86 10.28

-49.47

St. Petersburg Florida 2.86 8.24

-48.35

Pembroke Pines Florida 2.86 6.43

-45.42

Huntsville Alabama 2.84 8.85

-36.41

Oklahoma City Oklahoma 2.82 7.62

-35.63

Madison Wisconsin 2.69 10.42

-19.25

Montgomery Alabama 2.59 7.97

-37.03

Omaha Nebraska 2.58 10.19

-27.96

Little Rock Arkansas 2.57 8.66

-34.03

Shreveport Louisiana 2.52 8.36

-34.35

El Paso Texas 2.48 6.41

-33.86

Colorado Springs Colorado 2.32 8.00

-37.77

Columbus Georgia 2.30 8.80

-32.59

Tucson Arizona 2.25 6.50

-52.29

Des Moines Iowa 2.20 9.50

-25.86

Jackson Mississippi 2.10 9.75

-23.89

Albuquerque New Mexico 2.00 7.21

-49.38

Reno Nevada 1.97 9.50

-51.96

Wichita Kansas 1.93 8.99

-20.37

Boise Idaho 1.91 11.35

-40.95

Lincoln Nebraska 1.85 10.62

-15

Port St. Lucie Florida 1.82 7.62

-21.41

Spokane Washington 1.80 8.13

-28.54

Laredo Texas 1.67 8.40

-20.92

Tallahassee Florida 1.63 8.77

-22.62

Amarillo Texas 1.62 8.68

-24.85

Cape Coral Florida 1.54 8.08

-31.69

Santa Rosa California 1.53 11.09

-28.41

Lubbock Texas 1.50 8.83

-17.96

Anchorage Alaska 1.50 12.60

-57.43

Corpus Christi Texas 1.42 11.13

-8.54

Sioux Falls South Dakota 1.34 11.47

5.15

Brownsville Texas 1.18 8.78

-4.67

Honolulu Hawaii 0.94 7.05

-26.7