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California Air Quality Index (AQI) | Air Pollution

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

Last Updated: 10 seconds ago (Local Time)

location image
Live AQI
36
Air Quality is
Good
pm10 :  25 µg/m³
PM2.5 :  7 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level in California
partly cloudy

21 °C

Partly Cloudy
Humidity
Humidity68 %
Wind Speed
Wind Speed9 km/h
UV Index
UV Index6
Last Updated: 10 seconds 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)

25µg/m³

CO's Icon

Carbon Monoxide(CO)

66ppb

SO2's Icon

Sulfur Dioxide(SO2)

1ppb

NO2's Icon

Nitrogen Dioxide(NO2)

7ppb

O3's Icon

Ozone(O3)

31ppb

AQI Graph

Historical Air Quality Data

California

24 Hours
AQI
California
AQI
.
29-06-2025Time30-06-2025
32
Min.at 4:09 AM on 30th Jun
39
Max.at 12:39 PM on 29th 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
33
6
14
17
78
Good
34
6
28
27
35
Moderate
51
9
27
23
51
Good
44
8
20
22
67
Good
39
7
19
24
49
Good
27
5
15
18
69
Good
25
5
15
20
55
Good
18
3
8
18
69
Good
38
6
24
22
42
Good
27
5
17
21
59
Good
31
6
21
25
43
Good
27
5
15
19
67
Good
38
7
29
24
41
Good
37
7
26
27
33
Good
34
6
32
28
35
Good
33
6
34
24
44
Good
19
4
14
18
76
Good
29
5
14
15
82
Moderate
62
15
42
17
32
Moderate
86
22
114
17
32
Moderate
51
9
38
25
50
Moderate
55
12
57
36
25
Good
18
3
8
17
69
Good
44
8
27
21
65
Moderate
66
13
86
33
34
Moderate
54
11
54
36
25
Good
35
6
24
22
67
Good
17
3
14
20
53
Good
31
6
17
19
70
Good
34
6
18
21
76
Good
29
5
16
19
35
Good
39
7
27
15
44
Good
37
7
21
23
49
Good
37
7
27
30
32
Good
48
9
28
23
66
Good
24
4
20
24
47
Good
40
7
43
24
39
Moderate
52
10
25
23
51
Good
24
4
13
22
57
Good
41
7
17
20
74
Good
19
3
16
20
53
Good
18
3
16
20
56
Good
43
8
33
24
40
Good
34
6
20
23
51
Good
40
7
24
24
66
Good
28
5
15
22
64
Good
34
6
34
22
36
Good
37
7
31
24
44
Good
41
8
28
23
42
Good
36
6
27
22
56
Good
44
8
23
21
70
Moderate
57
12
43
31
44
Good
32
6
22
19
76
Good
26
5
16
21
58
Good
31
5
14
16
78
Good
27
5
16
22
56
Good
24
4
14
18
71
Good
33
6
34
24
44
Good
31
6
25
20
69
Good
41
7
21
22
64
Good
32
6
24
24
46
Moderate
53
10
45
31
28
Good
43
8
35
17
44
Good
31
6
16
22
56
Moderate
56
12
40
28
32
Good
46
8
40
25
39
Good
42
7
19
21
62
Good
27
5
15
20
64
Good
38
7
18
20
74
Good
34
6
27
24
44
Good
48
8
31
21
63
Good
20
4
10
18
80
Moderate
53
10
29
23
48
Good
23
4
17
23
54
Good
17
3
15
17
61
Good
36
6
26
24
40
Good
27
5
23
22
53
Good
17
3
14
19
53
Good
38
7
29
23
34
Good
24
4
18
24
52
Good
18
3
12
22
50
Good
36
7
17
21
64
Good
48
8
28
25
37
Moderate
56
12
50
30
47
Good
30
5
20
25
38
Moderate
55
11
39
22
56
Good
33
6
17
18
33
Good
50
9
29
25
40
Good
29
6
22
24
37
Good
36
6
21
21
59
Good
48
9
34
28
31
Good
28
5
20
25
42
Good
32
6
28
28
34
Good
34
6
21
20
34
Good
26
5
17
18
48
Good
20
3
16
22
51
Good
17
3
15
17
76
Good
36
6
39
23
43
Good
26
5
26
22
48
Good
38
7
19
23
71
Good
17
3
9
17
72
Moderate
51
10
24
20
36
Good
36
6
17
21
76
Good
41
7
21
22
63
Good
42
8
36
24
44
Good
46
8
24
23
35
Good
48
8
37
24
39
Good
37
7
23
19
38
Good
40
8
30
16
43
Good
25
4
19
19
65
Good
33
6
24
22
55
Good
49
9
46
25
37
Good
25
4
19
23
51
Moderate
52
10
50
36
28
Good
28
5
24
24
39
Good
33
6
25
23
44
Moderate
56
12
62
19
40
Good
28
5
15
19
33
Good
30
5
20
21
52
Good
46
8
26
27
34
Moderate
52
9
19
18
45
Good
24
4
17
24
44
Good
28
5
23
19
43
Good
25
4
14
18
73
Good
22
4
10
20
61
Good
31
6
21
25
43
Good
27
5
14
18
77
Moderate
52
10
47
36
25
Good
30
6
14
18
74
Good
26
5
15
18
71
Good
18
3
8
18
69
Good
32
6
26
21
60
Good
39
7
19
20
34
Good
50
9
29
26
50
Good
49
10
41
21
44
Good
18
3
12
20
45
Good
34
6
23
23
48
Good
32
6
20
23
51
Good
25
5
17
22
52
Good
42
7
26
22
65
Good
39
7
24
23
52
Good
38
7
29
25
39
Good
39
7
34
25
37
Good
47
8
31
21
60
Good
28
5
24
21
58
Good
37
7
17
22
60
Good
34
6
27
20
69
Good
43
8
27
24
50
Good
37
7
31
24
44
Moderate
66
17
56
17
32
Good
46
8
28
22
61
Good
34
6
24
24
38
Good
37
7
25
14
40
Good
37
7
23
19
38
Good
30
5
18
23
47
Good
34
6
23
22
48
Good
38
7
19
23
52
Good
46
8
36
28
34
Good
26
5
15
18
74
Good
37
7
21
21
33
Good
31
5
14
18
70
Moderate
53
10
38
22
58
Good
46
8
27
27
34
Good
27
5
15
22
52
Good
27
5
15
19
65
Good
27
5
15
18
70
Moderate
55
11
50
36
25
Good
30
5
18
22
51
Good
47
8
35
30
37
Good
49
9
27
23
63
Good
16
3
14
16
72
Good
30
6
16
19
64
Good
27
5
23
23
45
Good
23
4
14
18
70
Good
18
3
12
22
52
Good
48
9
37
24
39
Good
16
3
14
16
81
Good
16
3
14
16
78
Good
32
6
11
18
80
Good
46
8
30
26
36
Good
18
3
15
18
69
Good
36
6
29
28
34
Good
17
3
13
21
49
Good
29
5
26
21
66
Good
34
6
20
26
40
Good
17
3
14
20
53
Good
18
3
14
18
52
Good
37
7
27
25
37
Good
35
6
27
27
34
Good
29
5
20
20
50
Good
40
7
18
22
74
Good
32
6
20
24
48
Good
42
8
34
20
45
Good
36
7
17
20
72
Good
44
8
19
18
45
Good
36
7
24
23
47
Good
27
5
18
22
52
Good
27
5
13
19
67
Good
42
8
22
18
43
Good
38
7
30
14
44
Moderate
51
9
21
18
48
Good
49
9
46
32
28
Good
36
6
26
20
64
Good
37
7
27
25
40
Good
44
8
27
21
58
Good
34
6
28
24
46
Good
50
9
22
17
47
Good
30
6
19
21
51
Good
24
4
16
21
58
Good
46
8
30
27
32
Good
17
3
15
21
53
Good
21
4
14
18
76
Good
29
5
21
21
60
Moderate
54
10
28
26
28
Good
38
7
26
25
37
Good
26
5
22
22
54
Moderate
55
11
58
36
25
Good
29
5
20
25
44
Good
27
5
16
24
51
Good
25
5
18
23
47
Good
17
3
14
18
60
Good
28
5
20
23
49
Good
41
8
26
24
44
Good
28
5
15
20
64
Moderate
55
11
45
22
41
Good
27
5
22
22
47
Good
24
4
16
22
56
Good
32
6
26
24
43

United States's Metro Cities

Air Quality Index

East Chicago City AQI

East Chicago

26

temp.31°C
hum.66%
Los Angeles City AQI

Los Angeles

41

temp.19°C
hum.73%
Minneapolis City AQI

Minneapolis

22

temp.25°C
hum.60%
Nashville City AQI

Nashville

36

temp.29°C
hum.65%
New Orleans City AQI

New Orleans

63

temp.32°C
hum.70%
New York City City AQI

New York City

44

temp.31°C
hum.48%
San Francisco City AQI

San Francisco

16

temp.15°C
hum.78%
Port Washington City AQI

Port Washington

26

temp.28°C
hum.74%

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.

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 36 (Good). This was last updated 10 seconds 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 (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 39 (Good) at 12:39 PM, Jun 29, 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 39 at 12:39 PM, Jun 29, 2025 (Local Time), lowest 32 at 4:09 AM (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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