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
32

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 23 23 25 2 0 9 100
Gridley GOOD 13 13 5 3 0 12 86
Emeryville GOOD 34 34 37 3 0 12 97
Madera GOOD 24 24 14 1 1 13 86
Mayfair GOOD 25 25 27 0 3 14 82
Topanga GOOD 33 33 23 8 0 12 80
Modesto GOOD 19 19 20 1 5 12 90
Lompoc GOOD 23 23 25 3 15 11 100
Live Oak GOOD 38 38 32 9 0 12 93
East Porterville GOOD 36 36 20 7 0 14 72
Banning GOOD 38 38 14 9 0 11 84
Ojai GOOD 17 17 9 4 0 11 93
Santa Clarita MODERATE 53 53 22 13 0 13 69
Manteca GOOD 25 25 10 6 8 12 93
Turlock GOOD 19 19 21 3 3 12 90
Red Bluff GOOD 28 28 15 6 0 12 90
Atascadero GOOD 16 16 18 2 6 10 90
Sebastopol GOOD 31 31 33 1 0 8 100
Goleta GOOD 33 33 10 6 5 10 94
Orange Cove GOOD 47 47 28 10 0 14 75
Thousand Oaks GOOD 25 25 20 6 0 12 93
Long Beach MODERATE 55 55 24 14 0 14 78
Rosamond MODERATE 54 54 56 8 18 9 71
Gilroy GOOD 20 20 22 2 0 12 96
Alpine GOOD 46 46 21 11 21 6 96
Contra Costa Centre GOOD 17 17 7 4 0 12 90
Calexico MODERATE 55 55 50 14 50 17 41
East Los Angeles MODERATE 55 55 28 14 28 13 84
Santa Maria GOOD 19 19 21 2 21 11 93
Salinas GOOD 18 18 19 1 0 13 89
Bishop MODERATE 100 100 122 48 80 0 97
Porterville GOOD 22 22 24 4 0 13 75
San Pablo GOOD 33 33 14 8 0 11 100
Truckee GOOD 17 17 16 2 0 1 95
Chula Vista MODERATE 61 61 29 17 32 13 88
Visalia GOOD 29 29 16 7 7 15 72
East Rancho Dominguez GOOD 42 42 17 10 0 14 75
Santa Barbara GOOD 33 33 15 8 15 10 96
Hanford GOOD 22 22 24 3 7 14 78
Ukiah GOOD 10 10 4 3 0 9 82
San Leandro GOOD 33 33 36 3 0 12 97
Hollister GOOD 19 19 20 3 2 12 94
Livermore GOOD 31 31 33 3 0 11 89
Fresno GOOD 20 20 22 4 2 14 77
Susanville MODERATE 62 62 28 17 0 2 93
Woodlake GOOD 26 26 14 6 0 14 72
Clovis GOOD 26 26 28 1 4 14 77
Jurupa Valley MODERATE 51 51 44 10 36 12 74
University Of California Davis GOOD 21 21 23 1 0 12 100
Merced MODERATE 59 59 27 16 0 13 84
Alta Sierra GOOD 27 27 29 4 0 9 100
Wilton GOOD 19 19 20 2 0 12 94
San Luis Obispo GOOD 33 33 36 4 10 11 97
Grass Valley GOOD 29 29 31 2 0 9 100
Rancho Calaveras GOOD 25 25 27 5 4 9 100
Tracy GOOD 33 33 14 8 10 12 90
Signal Hill GOOD 19 19 20 4 20 13 80
Salton City GOOD 25 25 10 6 0 17 48
Ontario GOOD 46 46 19 11 0 11 46
Willits GOOD 29 29 12 7 0 9 74
Seaside GOOD 25 25 10 6 0 12 97
Mecca GOOD 23 23 17 2 0 13 64
Calipatria MODERATE 82 82 58 24 6 17 44
El Cajon GOOD 38 38 25 9 20 12 86
Ben Lomond GOOD 4 4 2 1 0 12 93
Mendota GOOD 21 21 12 5 0 13 84
Sacramento GOOD 36 36 19 10 6 12 93
Upland MODERATE 55 55 23 14 15 11 46
Galt GOOD 21 21 15 5 0 12 93
El Rio GOOD 19 19 21 3 21 13 83
Chico GOOD 21 21 23 2 1 11 92
Oceano GOOD 17 17 7 4 6 11 93
Anderson GOOD 19 19 20 1 0 11 92
Arvin GOOD 50 50 20 12 0 7 66
Simi Valley GOOD 33 33 19 8 10 13 69
San Francisco GOOD 22 22 24 2 0 13 100
King City GOOD 15 15 16 3 8 11 89
Colusa GOOD 23 23 25 2 3 12 93
Lake Elsinore MODERATE 53 53 22 12 21 11 84
French Valley MODERATE 51 51 55 10 0 10 83
Crestline GOOD 41 41 44 7 0 12 69
Ridgecrest GOOD 50 50 46 12 38 14 34
North Fair Oaks GOOD 20 20 22 3 0 12 100
Corcoran GOOD 13 13 10 3 10 14 78
San Rafael GOOD 26 26 28 3 0 11 100
Camp Pendleton South GOOD 29 29 20 7 15 9 97
Bakersfield GOOD 26 26 28 2 24 14 62
San Jose GOOD 13 13 12 2 0 13 91
Roseville GOOD 26 26 28 2 4 11 100
Nipomo GOOD 8 8 8 2 8 11 97
Yuba City GOOD 20 20 5 4 5 12 93
Glendora GOOD 29 29 25 7 25 11 48
August GOOD 42 42 18 10 16 12 93
Lincoln GOOD 33 33 21 8 0 9 100
Vallejo GOOD 29 29 31 6 0 11 89
Berkeley GOOD 13 13 14 0 0 12 86
Willows GOOD 32 32 35 3 2 12 88
Rio Vista GOOD 21 21 8 5 0 11 90
Alameda GOOD 7 7 2 1 0 12 97
Fillmore GOOD 17 17 10 4 0 12 80
Mammoth Lakes GOOD 26 26 13 7 3 1 96
Paradise MODERATE 59 59 27 16 0 12 94
Yreka GOOD 43 43 22 13 0 3 90
Mount Shasta GOOD 25 25 11 6 0 0 92
Brawley GOOD 28 28 30 0 30 17 41
Coronado GOOD 38 38 20 9 20 13 87
Lakeport GOOD 8 8 4 2 0 9 89
Winters MODERATE 62 62 34 20 0 12 89
Cloverdale GOOD 12 12 6 3 0 9 89
Crescent City GOOD 38 38 15 9 0 8 86
Hidden Valley Lake GOOD 46 46 18 11 0 10 96
Burbank MODERATE 55 55 23 14 0 12 74
Mckinleyville GOOD 32 32 17 10 0 6 90
Fortuna GOOD 21 21 8 5 0 5 95
Corning GOOD 37 37 15 9 0 12 89
Healdsburg MODERATE 80 80 43 26 0 10 96
Placerville GOOD 8 8 3 2 0 7 100
Victorville GOOD 44 44 24 9 24 11 66
Carpinteria GOOD 13 13 4 3 0 12 93
Yosemite Lakes GOOD 37 37 21 12 0 10 85
Oroville GOOD 29 29 12 7 0 12 94
Lancaster GOOD 29 29 12 7 12 9 56
Half Moon Bay GOOD 0 29 1 0 0 12 100
Sonora GOOD 17 17 7 4 0 9 100
Orland GOOD 21 21 8 5 0 12 89
Fairfield GOOD 8 8 4 2 0 11 89
Redding GOOD 18 18 10 3 0 8 92
Shasta Lake GOOD 33 33 13 8 0 0 92
Windsor MODERATE 55 55 23 14 0 10 96
Fullerton GOOD 29 29 22 7 22 10 89
Arden Arcade GOOD 17 17 7 4 0 12 94
St Helena POOR 195 195 316 141 0 10 96
Napa GOOD 17 17 7 4 0 11 100
Eureka GOOD 50 50 20 12 0 7 93
Antioch GOOD 25 25 11 6 0 12 94
Dublin GOOD 17 17 7 4 0 12 86
Folsom GOOD 21 21 23 3 0 12 100

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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weather icon show1 weather icon show2 weather icon show3
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

weather forecast Icon

United States - Metro Cities AQI

25
53
AQI (IN)
AQI (US)
9˚C / 88%
10
21
AQI (IN)
AQI (US)
10˚C / 93%
24
22
AQI (IN)
AQI (US)
13˚C / 100%
27
25
AQI (IN)
AQI (US)
-6˚C / 64%
28
55
AQI (IN)
AQI (US)
13˚C / 84%

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
32


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 32 (GOOD) AQI now. This was last updated 2 years ago .

The current concentration of PM2.5 in California is 8 (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 0.32 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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