Primary Pollutant

(AQI)

 California GOOD aqi boy

California Air Quality Index (AQI)

Real-time PM2.5, PM10 air pollution level United States

Last Update: 19 Apr 2022, 12:05am

California GOOD aqi boy California GOOD aqi boy California GOOD aqi boy


Comparative Exposure with California

24 hrs avg AQI

California

United States
36

Major Air Pollutants in California

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California carbon monoxide icon
46 (CO)

PM2.5

The current PM2.5 concentration in California is ✓below the recommended limit given by the WHO 24 hrs air quality guidelines value.

California - Cities Air Pollution Level

Status AQI AQI-US AQI-IN PM2.5 PM10 Temp Humid
North Auburn GOOD 26 26 18 5 0 12 82
Gridley GOOD 50 50 20 12 0 16 67
Emeryville GOOD 21 21 16 5 0 13 84
Madera GOOD 33 33 27 6 16 16 75
Mayfair GOOD 43 43 46 0 46 20 53
Topanga GOOD 46 46 28 10 0 16 68
Modesto GOOD 33 33 29 8 24 16 70
Lompoc GOOD 38 38 25 9 21 12 94
Live Oak GOOD 42 42 27 10 0 14 78
East Porterville GOOD 36 36 22 7 0 16 63
Banning GOOD 21 21 12 4 0 11 82
Ojai GOOD 28 28 30 4 0 16 86
Santa Clarita MODERATE 53 53 35 13 0 16 75
Manteca GOOD 29 29 18 7 18 16 72
Turlock GOOD 50 50 28 12 24 17 67
Red Bluff GOOD 32 32 19 7 10 16 75
Atascadero GOOD 19 19 21 3 21 14 81
Sebastopol GOOD 31 31 33 1 0 12 89
Goleta GOOD 50 50 23 12 23 13 77
Orange Cove GOOD 45 45 26 10 0 18 60
Thousand Oaks GOOD 42 42 32 10 0 16 86
Long Beach MODERATE 55 55 24 14 0 15 72
Rosamond MODERATE 54 54 56 8 18 14 41
Gilroy GOOD 33 33 36 1 0 12 93
Alpine GOOD 31 31 34 2 3 10 93
Contra Costa Centre GOOD 26 26 28 3 0 13 90
Calexico GOOD 27 27 29 2 29 18 42
East Los Angeles GOOD 33 33 25 8 25 17 59
Santa Maria GOOD 19 19 21 2 21 12 90
Salinas GOOD 26 26 28 6 0 13 86
Bishop MODERATE 95 95 118 48 84 6 50
Porterville MODERATE 55 55 23 14 0 19 54
San Pablo GOOD 33 33 14 8 0 14 81
Truckee GOOD 25 25 16 6 0 1 84
Chula Vista GOOD 42 42 45 4 45 16 63
Visalia GOOD 29 29 16 7 7 15 75
East Rancho Dominguez GOOD 46 46 18 11 0 18 61
Santa Barbara GOOD 22 22 24 5 15 12 82
Hanford MODERATE 70 70 59 21 59 17 67
Ukiah GOOD 30 30 13 8 0 15 58
San Leandro GOOD 19 19 20 1 0 12 93
Hollister GOOD 33 33 27 8 18 13 86
Livermore GOOD 31 31 33 3 0 13 84
Fresno GOOD 33 33 25 8 16 20 53
Woodlake GOOD 20 20 17 5 0 18 58
Clovis GOOD 30 30 32 6 17 19 56
Jurupa Valley GOOD 44 44 39 8 32 14 74
University Of California Davis GOOD 26 26 28 5 0 16 75
Merced MODERATE 59 59 27 16 0 16 75
Alta Sierra GOOD 46 46 24 11 0 11 43
Wilton GOOD 29 29 23 7 0 18 58
San Luis Obispo GOOD 33 33 36 4 10 13 80
Rancho Calaveras GOOD 38 38 24 9 15 10 87
Tracy GOOD 33 33 20 8 27 14 72
Signal Hill GOOD 19 19 20 4 20 18 61
Salton City GOOD 25 25 10 6 0 16 48
Ontario GOOD 35 35 10 6 0 15 55
Willits GOOD 29 29 12 7 0 16 57
Seaside GOOD 33 33 22 8 0 12 86
Mecca GOOD 20 20 14 2 0 13 79
Calipatria MODERATE 69 69 43 24 2 16 48
El Cajon GOOD 21 21 10 5 10 16 66
Mendota GOOD 29 29 31 7 0 16 75
Sacramento MODERATE 52 52 26 14 12 16 68
Upland MODERATE 55 55 23 14 15 12 41
Galt GOOD 25 25 11 6 0 16 67
El Rio GOOD 22 22 24 4 15 16 86
Chico GOOD 25 25 10 6 21 15 78
Oceano GOOD 29 29 12 7 23 13 83
Anderson GOOD 19 19 20 1 0 15 78
Arvin GOOD 4 4 2 1 0 11 48
Simi Valley GOOD 42 42 33 10 21 16 75
San Francisco GOOD 25 25 23 6 0 12 93
King City GOOD 22 22 24 5 21 13 86
Colusa GOOD 29 29 23 7 15 16 67
Lake Elsinore GOOD 29 29 18 7 16 11 82
French Valley MODERATE 51 51 55 10 0 11 82
Crestline GOOD 50 50 20 12 0 13 67
Huron GOOD 29 29 12 7 0 17 52
Ridgecrest GOOD 26 26 10 6 4 10 39
North Fair Oaks GOOD 21 21 19 5 0 14 82
Corcoran MODERATE 55 55 41 14 41 20 55
San Rafael MODERATE 53 53 24 13 0 12 100
Camp Pendleton South GOOD 22 22 24 4 12 13 86
Bakersfield GOOD 38 38 39 9 39 22 35
Roseville GOOD 38 38 34 9 16 17 63
Nipomo GOOD 31 31 33 5 33 13 80
Yuba City MODERATE 57 57 31 15 31 16 67
Glendora GOOD 33 33 36 6 19 15 55
August GOOD 42 42 18 10 16 16 70
Lincoln GOOD 33 33 18 8 0 14 76
San Jose GOOD 19 19 20 4 0 16 75
Vallejo GOOD 23 23 25 0 0 14 81
Woodland GOOD 33 33 34 8 0 16 72
Berkeley GOOD 13 13 14 0 0 13 90
Willows MODERATE 57 57 36 15 28 18 68
Rio Vista MODERATE 53 53 22 13 0 15 80
Alameda GOOD 29 29 12 7 0 13 84
Fillmore GOOD 28 28 30 6 0 16 75
Mammoth Lakes GOOD 49 49 32 9 17 1 65
Vacaville GOOD 17 17 7 4 0 14 84
Paradise MODERATE 59 59 27 16 0 16 63
Yreka GOOD 43 43 22 13 0 8 73
Mount Shasta GOOD 25 25 11 6 0 7 65
Brawley GOOD 19 19 21 0 5 15 53
Coronado GOOD 42 42 24 10 24 16 75
Lakeport GOOD 8 8 4 2 0 11 92
Winters MODERATE 62 62 34 20 0 14 85
Cloverdale GOOD 12 12 6 3 0 11 92
Crescent City GOOD 38 38 15 9 0 11 92
Hidden Valley Lake GOOD 46 46 18 11 0 11 92
Burbank MODERATE 53 53 23 12 0 15 72
Mckinleyville GOOD 32 32 17 10 0 10 87
Fortuna GOOD 21 21 8 5 0 10 93
Corning GOOD 37 37 15 9 0 14 78
Healdsburg MODERATE 80 80 43 26 0 11 100
Placerville GOOD 8 8 3 2 0 12 82
Victorville GOOD 31 31 34 7 34 14 59
Carpinteria GOOD 13 13 4 3 0 16 86
Yosemite Lakes GOOD 37 37 21 12 0 13 66
Oroville GOOD 29 29 12 7 0 15 80
Lancaster GOOD 29 29 12 7 12 13 55
Half Moon Bay GOOD 0 29 1 0 0 11 100
Sonora GOOD 17 17 7 4 0 10 87
Orland GOOD 21 21 8 5 0 14 78
Fairfield GOOD 8 8 4 2 0 14 84
Redding GOOD 23 23 16 4 0 16 58
Shasta Lake GOOD 33 33 13 8 0 14 47
Windsor MODERATE 55 55 23 14 0 12 100
Fullerton GOOD 33 33 19 8 19 17 65
Arden Arcade GOOD 33 33 14 8 0 18 60
St Helena POOR 195 195 316 141 0 13 86
Susanville MODERATE 57 57 25 15 0 9 53
Napa GOOD 17 17 7 4 0 14 81
Eureka GOOD 50 50 20 12 0 11 92
Antioch GOOD 25 25 11 6 0 16 70
Dublin GOOD 17 17 7 4 0 14 78
Folsom GOOD 38 38 32 9 0 18 60

Weather Conditions in California

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What are the weather and climatic conditions in California?
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Temperature icon
˚C | ˚F

Local Time

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Sunrise
Sunset
06:26 AM
06:26 PM
Wind Speed Icon

Wind speed

33 km/h

UV Index Icon

UV Index

16

Pressure Icon

Pressure

800 mb


Health Advice For California

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How to protect yourself from air pollution around California, United States?
wear mask icon cross

Wear Mask

Not Required
stay indoors icon cross

Stay Indoor

Not Required
shut opening icon

Windows

Keep Close
use a purifier icon

Use Purifier

Not Required
Family Icon

Family

Allow Outdoor

California Air Quality Forecast



Day

AQI

Weather

Temp.

Today

134

AQI

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Friday

134

AQI

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Saturday

134

AQI

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Sunday

134

AQI

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Monday

134

AQI

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Tuesday

134

AQI

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Wednesday

134

AQI

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United States - Metro Cities AQI

13
14
AQI (IN)
AQI (US)
4˚C / 42%
10
25
AQI (IN)
AQI (US)
-1˚C / 64%
23
28
AQI (IN)
AQI (US)
12˚C / 60%
23
25
AQI (IN)
AQI (US)
12˚C / 93%
25
23
AQI (IN)
AQI (US)
2˚C / 28%
25
33
AQI (IN)
AQI (US)
17˚C / 59%
24
22
AQI (IN)
AQI (US)
16˚C / 34%

Historic Air Quality Graph of California

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Best

Oct 1, 2020

Worst

Oct 1, 2020

0

Explore an insightful air pollution data for last 24 hrs, 7 days & 1 month




Comparative Exposure with California

24 hrs avg AQI

California

United States
36


FAQs of California's Air Quality Index

(Frequently Asked Questions)


Quick answers to some commonly asked questions about the air pollution of California.


The real-time air quality in California is 36 (GOOD) AQI now. This was last updated 2 years ago .

The current concentration of PM2.5 in California is 9 (µg/m³). The World Health Organisation (WHO) recommends 15 µg/m³ as the threshold concentration of PM2.5 for 24 hrs mean. Currently, the concentration is 0.36 times the recommended limit.

Generally, the air quality at California starts deteriorating in late October. The winters are the worst-hit season in terms of air pollution.

You should wear a good N95 mask when you go outdoor in California until the AQI is improving upto moderate range.

Office going people should avoid personal vehicles and use public transportations or carpooling.

(i) The primary causes of outdoor air pollution are solid, liquid particles called aerosols & gase from vehicles emissions, construction activities, factories, burning stubble & fossil fuels and wildfire, etc.

(ii) Main causes of indoor air pollution are harmful gases from cooking fuels (such as wood, crop wastes, charcoal, coal and dung), damp, mould smoke, chemicals from cleaning materials, etc.

Indoor air pollution in California is as dangerous as outdoor pollution, because the air pollutants come inside the houses or buildings through doors, windows and ventilation.

In California, you must use an air purifier or fresh air machine at home or office indoor and close all the doors, windows and ventilations when the outdoor air quality index (aqi) in California is very high. Proper ventilation is highly recommended only when outdoor air quality is improving and moderate AQI range.

World's Most Polluted Cities & Countries AQI Ranking

Real-time top most polluted cities, and monthly & annual historic AQI ranking of cities & countries

Air Quality Solutions for California

Find out Prana Air's air quality monitors & solutions to fight air pollution in your city.



prana air squair indoor air quality monitor for California





Keep a track of California Air Pollution Level On “AQI Air Quality App

Know what you breathe and the quality of air in your city and nearby locations. Real-time AQI, map, weather & fire data, health advice with insightful & analytical dashboards.

aqi air quality mobile app for California
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