State Page

About AIRNow | AIRNow Partners | FAQ's | Contact Us

State:

National Air Quality Summary (text)

California

Data courtesy of:

Forecast
Current AQI
AQI Animation

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20100908_ca_nv.jpg

- http://www.epa.gov/airnow/today/cur_aqi_ca_nv.jpg

AQI Animation - http://www.epa.gov/airnow/today/anim_aqi_ca_nv.gif

Action Day

Action Day

State Air Quality Resources

QUICK LINKS

Air Quality Action Days / Alerts
AirCompare
Air Quality Index (AQI)
Calculator: AQI to Concentration
Calculator: Concentration to AQI
Canada Air Quality
EnviroFlash E-mail
FAQ's
Health
Health Providers
International

Kids
Monitor Maps
Movies
NAQ Conferences
NOAA
Older Adults
Ozone
Particle Pollution (PM2.5, PM10)
List of Partners
For Partners
Picturebook

Publications
Publicaciones (en español)
School Flag Program
Smoke from Fires
Students
UV
Visibility Cameras
Weathercasters
What You Can Do

Click on the city name for more detailed information. printable summary	FORECAST		CURRENT AQI
	Wed Sep 8	Thu Sep 9

Auburn

42

51

30

Bakersfield

52

Moderate

29

Chico

Good

Good

30

Davis

38

47

26

Death Valley National Park

49

39

50

Fresno

46

Good

27

Gridley

Good

Good

18

Hanford

54

Moderate

49

Hollister

aqi not available

aqi not available

Imperial Valley

44

41

46

Joshua Tree National Park

aqi not available

aqi not available

50

King City

aqi not available

aqi not available

17

Lancaster

aqi not available

aqi not available

Lassen Volcanic National Park

49

39

Lompoc

Good

Good

25

Los Angeles Area

Antelope Vly

66

49

0

Anza Vly

64

56

41

Banning

100

56

37

Barstow

48

38

47

Big Bear Lake

100

42

38

C San Bernardino M

106

56

34

C San Bernardino-1

84

64

25

C San Bernardino-2

87

62

24

Capistrano Vly

39

45

32

Central Coastal

45

45

31

Central LA CO

58

60

21

Central Orange-1

45

42

31

Central Orange-2

45

36

31

Coachella Vly

100

54

47

E San Bernardino

64

56

22

E San Fernando Vly

42

36

E San Gabriel V-1

56

52

18

E San Gabriel V-2

62

56

23

East Riverside CO

74

46

Hemet/San Jacinto

64

54

27

Hesperia

44

42

39

Lake Elsinore

50

68

32

Metro Riverside CO

64

68

36

N Coastal Orange

49

45

31

NW Coastal LA

36

33

32

NW San Bernardino

74

70

30

Norco/Corona

72

72

36

North Orange CO

42

45

29

Perris Vly

64

66

27

Phelan

44

49

38

Pomona Walnut Vly

54

54

22

S Central LA CO

49

45

19

S San Gabriel Vly

49

45

19

SW Coastal LA

42

39

28

SW San Bernardino

56

60

30

Saddleback Vly

49

32

32

San Gabriel Mts

54

45

29

Santa Clarita Vly

84

60

29

South Coastal LA

36

39

24

Southeast LA CO

49

39

19

Temecula Vly

48

62

32

Trona

46

39

25

Twentynine Palms

50

38

Victorville

46

40

41

W San Bernardino M

39

49

30

W San Fernando Vly

45

36

34

W San Gabriel Vly

39

39

19

Madera

41

Good

Mendocino County

25

25

14

Merced

38

Good

26

Modesto

37

Good

22

Paradise

Good

Good

33

Pinnacles National Monument

37

38

Placerville

43

54

31

Point Reyes

aqi not available

aqi not available

Redding

25

aqi not available

27

Rio Vista

38

47

10

Sacramento Area

Elk Grove

41

51

31

Folsom

41

51

31

Roseville-Rocklin

42

51

30

Sacramento

43

54

31

Salinas

aqi not available

aqi not available

21

San Diego Area

San Diego Coast

Good

Good

44

San Diego Foothills

Good

Good

40

San Diego Mesa and Inland Valley

Good

Good

42

San Francisco Area

Concord

32

34

28

Fairfield

32

34

28

Fremont

25

30

22

Livermore

32

34

28

Napa

29

26

25

Oakland

26

22

21

Redwood City

25

30

22

San Francisco

26

22

21

San Jose

32

34

27

San Rafael

29

26

25

Santa Rosa

29

26

25

San Jacinto

aqi not available

aqi not available

San Luis Obispo County

Atascadero

30

28

18

Carrizo Plains

46

43

24

Morro Bay

30

26

24

Nipomo

52

55

23

Paso Robles

33

31

24

Red Hills

46

43

24

San Luis Obispo

30

27

23

Santa Barbara

Good

Good

39

Santa Cruz

aqi not available

aqi not available

21

Santa Maria

Good

Good

33

Sequoia/Kings Canyon National Parks

85

41

33

Stockton

36

Good

24

Vacaville

38

47

22

Ventura County Area

Ojai

60

60

35

Oxnard

55

55

31

Piru

55

55

34

Simi Valley

70

70

46

Thousand Oaks

55

55

37

Ventura

35

35

30

Visalia

51

Moderate

6

Western Nevada County

40

40

31

Woodland

38

47

26

Yosemite National Park

82

41

30

Yuba City/Marysville

Good

Moderate

25

Yucca Vly

54

39

E-Mail Notification