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California Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-04-29 08:55:25 PM (Local Time)

location image
Live AQI
34
Air Quality is
Good
pm10 :  20 µg/m³
PM2.5 :  6 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level in California
mist

12 °C

Mist
Humidity
Humidity83 %
Wind Speed
Wind Speed4 km/h
UV Index
UV Index0
Last Updated: 2025-04-29 08:55:25 PM (Local Time)
Map

California

Major Air Pollutants

California

PM2.5's Icon

Particulate Matter(PM2.5)

6µg/m³

PM10's Icon

Particulate Matter(PM10)

20µg/m³

CO's Icon

Carbon Monoxide(CO)

116ppb

SO2's Icon

Sulfur Dioxide(SO2)

1ppb

NO2's Icon

Nitrogen Dioxide(NO2)

10ppb

O3's Icon

Ozone(O3)

14ppb

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AQI Graph

Historical Air Quality Data

California

24 Hours
AQI
California

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

California's Cities

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Alameda
Good
34
6
19
9
93
Alpine
Good
36
6
40
14
52
Alta Sierra
Good
13
2
9
12
68
Anaheim
Good
42
8
22
12
70
Anderson
Good
21
4
12
11
77
Antioch
Good
32
6
15
10
91
Arden Arcade
Good
24
4
14
10
77
Arroyo Grande
Good
16
3
8
9
93
Arvin
Good
38
7
16
12
62
Atascadero
Good
16
3
9
9
92
Auburn
Good
14
3
13
12
74
August
Good
48
9
21
10
95
Bakersfield
Moderate
53
11
21
11
82
Banning
Moderate
57
12
23
12
57
Barstow
Good
39
7
24
13
48
Ben Lomond
Good
29
5
13
10
91
Benicia
Good
46
8
16
10
93
Berkeley
Good
40
7
20
9
93
Big Pine
Good
48
9
25
7
68
Bishop
Moderate
82
25
51
6
65
Blythe
Good
39
7
34
12
75
Brawley
Good
42
7
30
16
58
Bromela
Good
21
4
7
9
95
Burbank
Good
39
7
21
11
80
Calexico
Moderate
53
10
50
15
63
Calipatria
Good
41
7
25
15
58
Camp Pendleton South
Good
32
6
17
13
77
Capitan
Good
23
4
16
10
90
Carmel Valley
Good
14
3
12
11
90
Carpinteria
Good
39
7
16
10
90
Carson
Good
50
9
29
12
81
Cartago
Good
23
4
14
10
47
Chester
Good
22
4
16
8
70
Chico
Good
28
5
15
13
71
Chiriaco Summit
Good
34
6
21
16
50
Chula Vista
Good
48
10
40
12
78
Cloverdale
Good
22
4
12
10
84
Clovis
Good
26
4
16
13
72
Colfax
Good
13
2
8
11
69
Colusa
Good
28
5
13
12
63
Compton
Moderate
51
9
28
11
82
Concord
Good
23
4
18
10
92
Contra Costa Centre
Good
23
4
16
10
90
Corcoran
Moderate
54
11
28
10
90
Corning
Good
19
3
12
12
74
Coronado
Good
42
8
22
14
79
Crescent City
Good
27
5
12
11
69
Crestline
Good
34
6
31
10
68
Dublin
Good
33
6
15
9
87
East Porterville
Good
39
7
18
10
73
East Rancho Dominguez
Good
50
9
21
13
79
Eastern Goleta Valley
Good
24
4
20
13
55
Edison
Good
34
6
18
11
85
El Cajon
Good
38
7
20
10
90
El Centro
Good
32
4
35
15
68
El Rio
Good
26
4
14
10
82
Elk Grove
Good
28
5
14
10
90
Emeryville
Good
35
6
19
9
93
Eureka
Good
28
5
14
11
74
Fairfield
Good
33
6
15
10
91
Felton
Good
29
5
13
10
85
Fillmore
Good
26
5
19
10
84
Florence Graham
Good
46
8
20
12
79
Folsom
Good
40
8
14
10
90
Fontana
Good
40
7
25
15
49
Foresta
Good
28
5
15
6
68
Fortuna
Good
28
5
13
10
77
French Valley
Good
46
7
53
13
58
Fresno
Good
36
6
18
13
75
Fullerton
Good
39
7
23
12
58
Galt
Good
21
4
14
10
94
Gardena
Good
45
8
32
11
82
Gilroy
Good
22
4
13
10
92
Glendora
Good
30
6
18
11
84
Goleta
Good
24
4
10
10
94
Grass Valley
Good
14
2
14
12
74
Gridley
Good
34
6
13
12
63
Half Moon Bay
Good
24
4
20
9
91
Hanford
Moderate
60
14
48
12
86
Hayward
Good
24
4
9
10
90
Healdsburg
Good
21
4
12
9
90
Hesperia
Good
36
6
20
14
50
Hidden Valley Lake
Good
21
4
13
10
83
Hollister
Good
24
4
13
10
90
Huntington Park
Good
48
9
24
11
80
Huron
Good
28
5
14
12
78
Indio
Good
47
8
24
14
71
Jackson
Good
21
4
13
10
82
Jurupa Valley
Good
50
9
27
11
82
Keeler
Good
24
4
11
10
48
Kernville
Good
33
6
16
11
55
King City
Good
20
4
10
11
84
La Habra
Good
39
7
18
11
76
Lake Elsinore
Good
32
6
26
12
64
Lakeport
Good
22
4
12
10
80
Lancaster
Good
34
6
18
13
46
Lebec
Good
31
6
27
14
40
Lee Vining
Good
23
4
10
3
83
Lincoln
Good
45
8
15
11
87
Live Oak
Good
13
2
14
9
92
Live Oak Springs
Moderate
55
11
57
13
42
Livermore
Good
29
5
14
10
88
Lomita
Good
50
9
21
12
82
Lompoc
Good
30
6
10
9
95
Lone Pine
Good
30
6
12
10
54
Long Beach
Good
45
8
26
12
82
Los Angeles
Good
49
9
23
12
81
Los Gatos
Good
28
5
17
11
79
Lucerne Valley
Good
28
5
17
14
51
Madera
Good
32
6
18
12
84
Magalia
Good
12
2
14
8
58
Mammoth Lakes
Good
32
8
20
3
73
Manteca
Good
32
6
18
10
94
Maricopa
Good
31
6
14
10
86
Mayfair
Good
31
6
20
13
71
Mckinleyville
Good
33
4
27
10
79
Mecca
Good
42
8
32
15
60
Mendota
Good
22
4
22
10
89
Merced
Good
37
7
23
10
90
Miramonte
Moderate
69
18
34
7
71
Mock
Good
23
4
11
10
47
Modesto
Good
36
6
30
11
88
Mojave
Good
34
6
15
13
54
Mono County
Good
46
8
13
5
74
Morro Bay
Good
17
3
12
10
90
Mount Shasta
Good
22
4
17
9
63
Napa
Good
29
5
14
9
95
Nipomo
Good
21
4
10
9
92
North Auburn
Good
14
3
13
12
74
North Fair Oaks
Good
24
4
17
9
93
North Shore
Good
41
7
30
15
59
Oakland
Good
30
6
19
9
92
Oakley
Good
32
6
15
9
95
Oceano
Good
16
3
8
9
93
Ojai
Good
23
3
26
10
84
Olancha
Good
28
5
13
10
50
Ontario
Good
45
8
24
12
76
Orange Cove
Good
43
9
20
9
80
Orcutt
Good
17
3
12
10
88
Orland
Good
23
4
12
12
73
Oroville
Good
29
5
13
12
74
Paicines
Good
28
5
11
10
90
Palm Springs
Good
36
6
20
11
86
Paradise
Good
20
4
16
10
77
Park Village
Good
29
5
15
11
80
Parlier
Good
38
7
18
12
77
Pasadena
Good
35
6
22
11
82
Paso Robles
Good
17
3
12
10
88
Pico Rivera
Good
34
6
17
10
82
Piru
Good
30
5
20
10
84
Placerville
Good
15
2
16
11
74
Pleasanton
Good
31
6
15
10
87
Poleta
Moderate
57
12
29
6
66
Pomona
Good
38
7
18
11
82
Porterville
Good
36
6
17
11
88
Portola
Good
33
6
21
7
67
Quincy
Good
12
2
14
9
54
Rancho Calaveras
Good
30
5
10
9
94
Red Bluff
Good
17
3
14
10
75
Redding
Good
23
4
14
11
75
Redlands
Good
31
6
29
13
69
Redwood City
Good
24
4
16
9
93
Ridgecrest
Good
24
4
14
9
56
Rio Vista
Good
41
7
16
10
91
Riverside
Good
49
9
26
11
82
Rosamond
Good
33
6
14
13
54
Roseville
Good
40
7
13
12
84
Sacramento
Good
39
7
21
10
93
Salinas
Good
24
4
14
10
94
Salton City
Good
41
7
28
15
59
San Andreas
Good
34
6
11
10
92
San Bernardino
Good
44
8
28
15
53
San Diego
Good
47
9
30
12
80
San Francisco
Good
40
7
16
9
93
San Jose
Good
36
6
24
10
86
San Juan Bautista
Good
22
4
13
10
91
San Leandro
Good
28
5
18
9
92
San Luis Obispo
Good
18
3
9
10
92
San Martin
Good
30
5
15
10
88
San Pablo
Good
32
6
16
10
92
San Rafael
Good
14
2
16
9
95
Santa Barbara
Good
47
8
17
10
92
Santa Clarita
Good
25
4
18
14
54
Santa Cruz
Good
13
2
14
10
90
Santa Margarita
Good
23
4
22
13
53
Santa Maria
Good
13
2
13
10
94
Santa Ynez
Good
25
4
18
10
83
Searles Valley
Good
19
3
18
12
76
Seaside
Good
14
3
12
11
90
Sebastopol
Good
24
4
14
8
94
Shafter
Good
42
7
15
12
80
Shandon
Good
28
5
23
13
51
Shasta Lake
Good
25
4
14
10
71
Signal Hill
Good
47
8
29
12
80
Simi Valley
Good
31
5
15
12
70
Sonora
Good
44
6
34
9
76
South Gate
Good
48
9
18
11
82
South Lake Tahoe
Good
28
5
13
4
79
Springville
Good
35
6
16
10
88
St Helena
Good
20
4
12
9
85
Stockton
Moderate
54
11
28
10
90
Summertown
Good
22
4
14
4
79
Susanville
Good
26
4
18
8
67
Tahoe City
Good
39
7
17
4
77
Temecula
Moderate
56
5
65
16
44
Thousand Oaks
Good
21
4
21
10
84
Three Rivers
Good
16
3
17
11
79
Topanga
Good
28
5
19
11
81
Tracy
Good
31
6
14
10
90
Truckee
Good
23
4
14
4
75
Turlock
Good
32
6
18
10
90
Ukiah
Good
26
5
15
10
85
University Of California Davis
Good
20
4
15
9
94
Upland
Good
36
6
23
14
56
Vacaville
Good
16
3
13
10
88
Vallejo
Good
42
8
15
10
94
Vandenberg Village
Good
19
3
15
10
88
Victorville
Good
49
9
30
14
56
Visalia
Good
50
9
17
12
78
Weaverville
Good
27
5
19
10
76
Westmorland
Good
41
7
28
15
59
Willits
Good
28
5
13
10
80
Willows
Good
23
4
11
13
72
Wilton
Good
29
5
12
11
76
Windsor
Good
23
4
13
8
94
Winters
Good
21
4
13
10
88
Woodlake
Good
21
4
16
11
86
Woodland
Good
44
8
17
12
89
Yosemite Lakes
Good
40
9
25
10
70
Yreka
Good
33
4
32
9
76
Yuba City
Good
44
8
17
10
78
Yucca Valley
Moderate
51
9
26
8
55

United States's Metro Cities

Air Quality Index

East Chicago City AQI

East Chicago

38

temp.24°C
hum.60%
Los Angeles City AQI

Los Angeles

49

temp.13°C
hum.80%
Minneapolis City AQI

Minneapolis

18

temp.6°C
hum.70%
Nashville City AQI

Nashville

50

temp.24°C
hum.69%
New Orleans City AQI

New Orleans

44

temp.23°C
hum.94%
New York City City AQI

New York City

26

temp.19°C
hum.30%
San Francisco City AQI

San Francisco

40

temp.9°C
hum.93%
Port Washington City AQI

Port Washington

24

temp.15°C
hum.63%

Health Advice For People Living In

California

0Cigarettes per day

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn Off
  • Car Filter
    Car FilterAdvisable
  • N95 Mask
    N95 MaskAdvisable
  • Stay Indoor
    Stay IndoorAdvisable

As per the current AQI, turn off the air purifier.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

California

  • asthma due to air pollution in CaliforniaAsthma
  • heart due to air pollution in CaliforniaHeart Issues
  • allergy due to air pollution in CaliforniaAllergies
  • sinus due to air pollution in CaliforniaSinus
  • flu due to air pollution in CaliforniaCold/Flu
  • copd due to air pollution in CaliforniaChronic (COPD)
asthma due to air pollution in California

Low Chances of Asthma

Asthma

Risk of Asthma symptoms is Low when AQI is Good (0-50)

Mild symptoms such as slight wheezing, occasional cough, and minor shortness of breath

Do's :

  • Keep track of air quality to plan outdoor activities safely.

  • Drink water to keep airways moist and reduce irritation.

  • Include non-allergenic fruits and vegetables that support overall lung health, like apples, pears, and spinach.

Don'ts :

  • Skip medications that is prescribed by your doctor.

  • Engage in outdoor activities in early morning during high pollen hours.

Most Polluted Cities 2025

United States

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025
World's Most PollutedCity Rankings (2024)
World's Most PollutedCountry Rankings(2024)
RankCityAQIAQI Status

Standard Value

Follow

1.

Bishop, United States

82
Moderate
5xabove Standard

2.

Fort Bliss, United States

73
Moderate
5xabove Standard

3.

Alamo Lake, United States

73
Moderate
5xabove Standard

4.

Lake Havasu City, United States

73
Moderate
5xabove Standard

5.

Big Bend National Park, United States

72
Moderate
5xabove Standard

6.

La Union, United States

69
Moderate
5xabove Standard

7.

Miramonte, United States

69
Moderate
5xabove Standard

8.

Socorro, United States

68
Moderate
5xabove Standard

9.

Stanfield, United States

67
Moderate
4xabove Standard

10.

El Paso, United States

66
Moderate
4xabove Standard

Last Updated: 29 Apr 2025, 03:35 PM

AQI City Rankings

Air Quality Solutions For California

Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
air quality solutions for offices for California

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

air quality solutions for smart-city for California

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for California

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

air quality solutions for hotels for California

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

air quality solutions for restaurants for California

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

air quality solutions for rmc-plants for California

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

air quality solutions for fitness-center for California

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

air quality solutions for parking-lot for California

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

air quality solutions for retail-stores for California

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for California

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

air quality solutions for construction-sites for California

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

air quality solutions for hospitals for California

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for California

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

air quality solutions for banks for California

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

air quality solutions for cinema for California

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

air quality solutions for real-estates for California

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

California's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for California
Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store
Get it onGoogle Play
Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Connect and control your air quality devices.

Air Quality FAQs

at California

Frequently Asked Questions About Air Quality

What is the current AQI level in California?

The current real-time AQI level in California is 34 (Good). This was last updated 2025-04-29 08:55:25 PM (Local Time).

When was the best AQI level in California in the last 24 hours?

The best AQI level was 27 (Good) at 10:39 AM, Apr 28, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in California in the last 24 hours?

The worst AQI level was 33 (Good) at 1:09 AM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in California during last 24 hours?

The AQI levels in California remained stable over the last 24 hours as around 28.6 .

What actions are recommended as per the current AQI level in California?

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.

Recent AQI Blogs

Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

Air Pollution in the US and India: A Tale of Two Countries. 

Air Pollution in the US and India: A Tale of Two Countries. 

24 Apr 2025Shakshi
How Air Pollution Can Cause Eye Infections: What You Need to Know?

How Air Pollution Can Cause Eye Infections: What You Need to Know?

21 Apr 2025Shakshi
How Recent Dust Storms Affects Air Quality Across the Middle East?

How Recent Dust Storms Affects Air Quality Across the Middle East?

16 Apr 2025Shakshi
Air Pollution Causing Acid Rain in India: The IMD Study Confirms

Air Pollution Causing Acid Rain in India: The IMD Study Confirms

14 Apr 2025Shakshi
Microplastics in the Air: What You are Really Inhaling Every Day!

Microplastics in the Air: What You are Really Inhaling Every Day!

10 Apr 2025Shakshi
First Heatwave Alert in India 2025: What do you need to know?

First Heatwave Alert in India 2025: What do you need to know?

8 Apr 2025Shakshi
Will the EPA Rollback of Air Quality Rules Change the Air We Breathe?

Will the EPA Rollback of Air Quality Rules Change the Air We Breathe?

3 Apr 2025Shakshi
How WHO’s Second Global Conference on Air Pollution 2025 will Transform Public Health?

How WHO’s Second Global Conference on Air Pollution 2025 will Transform Public Health?

1 Apr 2025Shakshi
Wildfire Air Pollution in South Korea: Deadly Fires, Mass Evacuations, and AQI Surge

Wildfire Air Pollution in South Korea: Deadly Fires, Mass Evacuations, and AQI Surge

27 Mar 2025Shakshi
March Heatwaves in North India: A Record-Breaking 2025 on the Horizon?

March Heatwaves in North India: A Record-Breaking 2025 on the Horizon?

25 Mar 2025Shakshi
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Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

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Pocket PM

Air Quality Monitor

Know the air quality around you wherever you are with the Pocket monitor to get instant air quality insights.

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Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

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