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California Air Quality Index (AQI) | Air Pollution

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

Last Updated: 4 minutes ago (Local Time)

location image
Live AQI
35
Air Quality is
Good
pm10 :  24 µg/m³
PM2.5 :  7 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level in California
overcast

18 °C

Overcast
Humidity
Humidity81 %
Wind Speed
Wind Speed11 km/h
UV Index
UV Index0
Last Updated: 4 minutes ago (Local Time)
Map

California

Major Air Pollutants

California

PM2.5's Icon

Particulate Matter(PM2.5)

7µg/m³

PM10's Icon

Particulate Matter(PM10)

24µg/m³

CO's Icon

Carbon Monoxide(CO)

59ppb

SO2's Icon

Sulfur Dioxide(SO2)

1ppb

NO2's Icon

Nitrogen Dioxide(NO2)

6ppb

O3's Icon

Ozone(O3)

37ppb

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AQI Graph

Historical Air Quality Data

California

24 Hours
AQI
California
AQI
.
30-06-2025Time01-07-2025
32
Min.at 4:09 AM on 30th Jun
37
Max.at 1:09 AM on 30th Jun

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.(%)
Good
31
6
14
17
77
Good
33
6
30
26
39
Good
30
5
17
21
51
Good
38
7
22
20
70
Good
29
5
17
22
52
Good
27
5
15
18
71
Good
21
4
16
20
60
Good
31
6
12
19
76
Good
30
6
22
20
48
Good
22
4
14
21
58
Good
32
6
22
25
44
Good
26
5
15
18
70
Good
42
8
31
22
46
Good
43
8
33
26
36
Good
31
6
24
26
37
Good
26
5
27
22
46
Good
27
5
15
17
75
Good
27
5
14
17
78
Moderate
71
20
26
17
37
Moderate
82
25
52
19
36
Good
47
8
32
23
58
Moderate
55
10
60
34
34
Good
31
6
12
19
76
Good
44
8
27
20
69
Moderate
64
16
57
31
39
Moderate
57
12
66
34
34
Good
36
6
20
21
64
Good
21
4
14
20
51
Good
31
6
15
20
73
Good
40
8
25
20
77
Good
26
5
14
19
40
Good
32
6
24
14
41
Good
38
7
19
22
54
Good
39
7
38
26
38
Good
44
8
24
23
68
Good
28
6
18
23
50
Good
36
6
30
22
44
Good
28
5
16
21
51
Good
35
6
19
21
60
Good
37
7
16
19
74
Good
26
5
17
19
60
Good
26
5
16
19
60
Good
48
9
29
22
45
Good
34
6
18
22
54
Good
36
6
20
24
68
Good
37
7
20
20
62
Moderate
52
8
58
20
40
Good
34
6
28
22
47
Good
39
7
26
21
44
Good
38
7
28
21
62
Good
32
6
18
21
67
Moderate
55
10
65
32
40
Good
33
6
14
19
76
Good
22
4
16
20
61
Good
28
5
14
17
77
Good
34
6
22
22
59
Good
27
5
14
18
71
Good
26
5
27
22
46
Good
38
7
26
19
70
Good
34
6
18
21
61
Good
32
6
19
22
51
Good
33
6
30
29
34
Good
38
7
29
16
41
Good
27
5
17
23
55
Moderate
53
10
36
26
36
Good
45
8
31
22
44
Good
42
8
20
21
67
Good
27
5
15
19
68
Good
37
7
15
19
74
Good
23
4
20
22
46
Good
38
7
22
21
60
Good
28
5
13
18
80
Good
31
6
22
20
50
Good
31
6
18
21
58
Good
23
4
15
18
68
Good
38
7
25
23
44
Good
28
5
17
20
58
Good
22
4
15
19
60
Good
43
8
31
24
39
Good
26
5
18
22
46
Good
22
4
12
21
52
Good
34
6
16
20
64
Good
36
6
25
22
44
Moderate
81
12
116
31
45
Good
25
5
21
25
44
Moderate
51
10
34
20
62
Good
25
5
15
19
40
Good
33
6
21
23
41
Good
30
6
20
22
46
Good
32
6
17
21
61
Good
40
8
27
26
38
Good
27
5
19
25
45
Good
24
4
18
26
38
Good
22
4
17
21
40
Good
24
4
17
15
52
Good
25
4
16
21
56
Good
22
4
16
18
71
Moderate
51
7
57
21
46
Good
22
4
18
21
52
Good
36
7
21
20
72
Good
30
6
12
19
76
Good
40
8
16
20
40
Good
34
6
18
20
76
Good
36
6
19
20
65
Good
37
7
28
22
45
Good
43
8
34
23
40
Good
48
9
32
22
44
Good
29
5
19
18
41
Good
33
6
22
15
48
Good
24
4
17
18
68
Good
30
5
18
21
55
Good
47
8
32
23
44
Good
28
5
20
23
51
Moderate
93
10
139
34
36
Good
42
8
23
22
44
Good
33
6
23
21
49
Moderate
71
20
63
19
39
Good
25
5
14
19
40
Good
28
5
18
19
61
Good
24
4
19
25
40
Good
30
5
20
16
46
Good
32
6
18
21
46
Good
28
5
23
19
46
Good
26
5
14
18
70
Good
34
6
13
19
68
Good
32
6
22
25
44
Good
25
5
15
17
77
Poor
108
10
169
34
35
Good
30
5
15
17
76
Good
27
5
17
17
72
Good
31
6
12
19
76
Good
37
7
30
21
61
Good
26
5
16
20
38
Moderate
60
14
30
24
48
Good
41
9
35
20
44
Good
32
6
15
21
49
Good
37
7
20
22
52
Good
33
6
18
22
53
Good
24
4
17
20
56
Moderate
53
9
61
21
63
Good
32
6
17
22
48
Good
38
7
27
22
45
Good
41
7
28
22
44
Good
37
7
28
21
60
Good
25
4
15
21
58
Good
33
6
15
21
61
Good
39
7
30
19
70
Good
27
5
18
21
50
Good
34
6
28
22
47
Moderate
66
17
35
17
37
Good
37
7
21
21
56
Good
44
8
24
21
45
Good
33
6
28
14
39
Good
29
5
19
18
41
Good
26
5
17
21
52
Good
32
6
20
20
50
Good
29
5
16
23
52
Good
46
8
38
26
39
Good
23
4
14
17
77
Good
26
5
16
20
39
Good
29
5
14
18
70
Good
50
9
34
20
62
Good
26
5
19
25
39
Good
28
5
15
21
53
Good
21
4
14
19
66
Good
25
4
16
18
70
Moderate
62
13
78
34
35
Good
25
4
17
21
55
Good
34
6
33
28
39
Good
36
7
22
23
63
Good
24
4
14
17
74
Good
31
6
18
19
66
Good
23
4
19
22
46
Good
28
5
15
17
74
Good
35
6
14
20
54
Good
38
7
28
22
45
Good
25
5
14
17
75
Good
21
4
13
17
76
Good
32
6
13
19
79
Good
34
6
26
26
37
Good
21
4
16
19
68
Good
28
5
21
26
39
Good
27
5
17
19
50
Good
32
6
27
21
67
Good
27
5
19
25
46
Good
21
4
14
20
51
Good
21
4
14
19
59
Good
38
7
28
22
44
Good
23
4
20
25
38
Good
29
6
18
21
50
Good
40
8
26
20
74
Good
30
5
22
23
48
Good
28
5
22
19
46
Good
34
6
17
19
71
Good
29
5
19
15
47
Good
36
6
25
21
47
Good
24
4
16
22
55
Good
29
5
17
18
70
Good
35
6
21
15
44
Good
34
6
24
14
43
Good
38
7
17
15
49
Good
46
8
27
31
34
Good
37
7
26
20
64
Good
32
6
22
24
42
Good
34
6
27
20
63
Good
26
5
17
22
50
Good
38
7
20
14
46
Good
30
6
20
20
58
Good
27
5
16
21
60
Good
36
6
26
27
37
Good
22
4
15
20
58
Good
26
5
15
18
74
Good
28
5
20
21
58
Moderate
56
12
36
24
34
Good
42
8
25
22
44
Good
31
5
15
21
55
Moderate
56
12
65
34
35
Good
25
4
19
24
46
Good
38
7
20
22
56
Good
24
4
17
21
52
Good
22
4
15
19
63
Good
28
5
19
22
52
Good
35
6
23
22
52
Good
32
6
15
19
64
Good
49
11
29
21
40
Good
23
4
21
22
48
Good
29
5
18
21
60
Good
49
7
54
22
45

United States's Metro Cities

Air Quality Index

East Chicago City AQI

East Chicago

30

temp.26°C
hum.61%
Los Angeles City AQI

Los Angeles

36

temp.21°C
hum.72%
Minneapolis City AQI

Minneapolis

33

temp.21°C
hum.75%
Nashville City AQI

Nashville

34

temp.27°C
hum.74%
New Orleans City AQI

New Orleans

57

temp.26°C
hum.94%
New York City City AQI

New York City

44

temp.26°C
hum.79%
San Francisco City AQI

San Francisco

24

temp.14°C
hum.89%
Port Washington City AQI

Port Washington

27

temp.22°C
hum.73%

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.

Marana, United States

136
Poor
9xabove Standard

2.

Green Valley, United States

124
Poor
8xabove Standard

3.

Forrest, United States

112
Poor
7xabove Standard

4.

Douglas, United States

109
Poor
7xabove Standard

5.

North Shore, United States

108
Poor
7xabove Standard

6.

Mecca, United States

93
Moderate
6xabove Standard

7.

Deming, United States

86
Moderate
6xabove Standard

8.

Bishop, United States

82
Moderate
5xabove Standard

9.

Fallon, United States

82
Moderate
5xabove Standard

10.

Virgin, United States

82
Moderate
5xabove Standard

Last Updated: 01 Jul 2025, 05:33 AM

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 35 (Good). This was last updated 4 minutes ago (Local Time).

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

The best AQI level was 32 (Good) at 4:09 AM, Jun 30, 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 37 (Good) at 1:09 AM, Jun 30, 2025 (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 have been fluctuating throughout the last 24 hours. The levels have increased by highest 37 at 1:09 AM, Jun 30, 2025 (Local Time), lowest 32 at 4:09 AM, Jun 30, 2025 (Local Time).

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.

0
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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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