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California Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2 minutes ago (Local Time)

location image
Live AQI
33
Air Quality is
Good
pm10 :  25 µg/m³
PM2.5 :  6 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level.webp in California
sunny

26 °C

Sunny
Humidity
Humidity47 %

Wind Speed
Wind Speed9 km/h

UV Index
UV Index9
Last Updated: 2 minutes ago (Local Time)


Map

California

Major Air Pollutants

California

AQI Graph

Historical Air Quality Data

California

California
AQI
.
08-07-2025Time09-07-2025
29
Min.at 6:10 AM on 9th Jul
37
Max.at 3:09 PM on 8th Jul

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
21
4
13
16
82
Good
37
7
24
31
37
Good
27
5
23
24
43
Good
42
8
22
21
69
Good
37
7
17
20
48
Good
19
3
13
17
74
Good
18
3
12
18
65
Good
17
3
10
19
76
Good
39
7
30
22
42
Good
23
4
14
24
52
Moderate
53
10
22
25
40
Good
16
3
12
17
69
Good
45
9
35
22
48
Good
29
5
27
31
31
Good
33
6
30
31
34
Good
24
4
27
22
53
Good
17
3
13
17
77
Good
18
3
13
16
82
Good
41
7
17
16
31
Good
40
7
16
16
31
Moderate
51
9
44
25
54
Moderate
52
10
58
34
31
Good
20
4
9
19
76
Moderate
53
10
32
23
55
Moderate
53
10
55
36
40
Moderate
54
11
58
34
31
Good
41
7
23
21
58
Good
16
3
14
18
57
Good
37
7
25
21
69
Good
42
8
22
21
70
Good
21
4
15
21
31
Good
24
4
22
15
32
Good
24
4
19
22
52
Good
35
6
29
29
37
Moderate
52
10
34
24
60
Good
20
4
18
23
50
Good
34
6
38
22
51
Good
29
5
27
24
42
Good
16
3
12
20
64
Good
44
8
22
21
69
Good
17
3
13
18
65
Good
16
3
13
17
69
Good
41
7
32
22
47
Good
26
5
18
22
50
Good
39
7
26
24
68
Good
16
3
10
20
66
Good
28
5
30
24
39
Good
28
5
31
21
54
Good
30
6
29
23
38
Moderate
51
9
40
31
32
Good
44
8
38
22
55
Good
50
9
28
22
62
Moderate
52
10
52
33
43
Good
38
7
24
20
74
Good
18
3
12
20
64
Good
17
3
13
16
81
Good
18
3
10
21
61
Good
17
3
13
17
75
Good
24
4
27
22
53
Good
32
6
29
21
64
Good
48
9
34
21
61
Good
24
4
20
21
54
Moderate
59
13
60
32
32
Good
40
7
36
17
31
Good
21
4
16
23
56
Moderate
52
9
57
32
31
Good
37
7
34
22
50
Good
40
7
22
22
65
Good
17
3
12
18
71
Good
44
8
23
21
69
Good
38
7
20
21
50
Moderate
52
10
38
24
54
Good
27
5
20
20
76
Good
37
6
22
24
40
Good
20
4
13
21
60
Good
15
3
13
17
74
Moderate
52
10
36
22
47
Good
21
4
19
23
53
Good
15
3
13
18
64
Good
37
7
35
27
33
Good
18
3
16
24
50
Good
20
4
11
20
58
Good
48
9
28
21
60
Good
32
6
25
22
46
Moderate
58
7
69
32
44
Good
34
6
20
26
40
Moderate
66
18
44
24
53
Good
19
4
15
20
30
Good
26
5
25
26
36
Good
18
4
14
22
46
Good
37
7
24
22
58
Good
50
8
56
32
32
Good
26
5
21
26
44
Good
34
6
26
30
34
Good
27
5
20
23
32
Good
25
5
13
20
41
Good
18
3
12
20
57
Good
15
3
14
17
78
Good
37
7
29
25
42
Good
21
4
23
20
55
Good
44
8
23
21
69
Good
18
3
9
18
78
Good
26
4
14
21
30
Good
40
7
24
21
72
Good
48
9
30
22
62
Good
27
5
29
22
50
Good
37
7
30
28
33
Good
49
9
41
22
49
Good
23
4
22
21
33
Good
26
4
26
16
32
Good
16
3
15
18
71
Good
37
7
31
24
48
Good
45
8
39
21
52
Good
24
4
19
23
52
Moderate
54
10
63
34
32
Good
34
6
23
21
46
Good
26
5
19
21
53
Good
42
7
35
18
32
Good
21
4
18
21
33
Good
20
4
16
18
66
Good
27
5
27
29
33
Good
38
7
14
19
34
Good
21
4
12
22
48
Good
30
5
25
21
40
Good
17
3
12
17
78
Good
22
4
10
20
68
Moderate
53
10
22
25
40
Good
17
3
13
17
80
Moderate
55
11
64
35
31
Good
19
4
13
16
79
Good
18
3
14
16
79
Good
17
3
10
19
76
Good
28
5
30
24
52
Good
24
4
16
22
33
Moderate
59
14
41
26
46
Good
35
6
29
21
39
Good
19
4
12
21
51
Good
24
4
18
22
53
Good
26
5
17
21
52
Good
21
4
15
24
50
Good
49
9
27
24
61
Good
32
6
30
24
46
Good
37
7
29
24
52
Good
36
6
34
22
47
Moderate
52
9
38
24
52
Good
25
5
17
24
53
Good
42
7
26
22
59
Good
39
7
34
22
61
Good
32
6
30
24
43
Good
28
5
31
21
54
Good
43
8
15
15
31
Good
49
9
35
24
53
Good
48
8
30
21
53
Good
24
4
24
11
32
Good
23
4
22
21
33
Good
21
4
13
24
46
Good
30
5
23
21
44
Good
33
6
21
24
46
Good
46
8
37
31
31
Good
18
3
13
16
82
Good
32
6
21
22
32
Good
22
4
13
17
74
Moderate
66
18
44
24
53
Good
27
5
27
29
35
Good
21
4
9
21
55
Good
16
3
10
17
71
Good
16
3
14
17
76
Moderate
54
10
58
34
31
Good
21
4
15
24
47
Moderate
52
10
47
32
36
Good
50
9
30
25
58
Good
15
3
13
16
80
Good
24
4
15
18
72
Good
29
5
14
21
50
Good
17
3
13
17
74
Good
19
4
12
21
52
Good
41
7
34
22
52
Good
15
3
13
17
78
Good
15
3
12
16
80
Good
34
6
22
19
76
Good
42
8
41
31
33
Good
15
3
14
17
74
Good
35
6
38
30
35
Good
19
4
17
19
51
Good
29
5
32
22
58
Good
27
5
27
28
41
Good
16
3
14
18
57
Good
15
3
13
17
64
Good
43
8
32
22
47
Good
33
6
30
29
34
Good
28
5
19
22
44
Good
42
8
24
21
70
Good
28
5
28
26
44
Good
36
6
38
20
38
Good
38
7
21
21
67
Good
37
7
12
20
32
Good
31
6
31
24
44
Good
19
3
17
22
56
Good
26
5
12
18
70
Good
34
6
21
17
32
Good
26
4
23
14
32
Good
44
8
15
20
32
Moderate
55
8
63
36
29
Good
41
8
32
24
57
Good
26
5
28
27
40
Good
49
9
32
24
52
Good
20
4
16
20
56
Good
34
6
17
18
32
Good
22
4
18
18
65
Good
19
4
16
23
56
Moderate
54
11
53
30
31
Good
15
3
13
19
59
Good
16
3
12
17
76
Good
28
5
21
24
53
Good
44
8
31
31
32
Good
39
7
24
22
47
Good
31
5
28
23
46
Moderate
52
9
58
34
30
Good
28
5
20
25
48
Good
16
3
13
22
54
Good
19
3
13
21
58
Good
15
3
12
17
68
Good
21
4
17
21
54
Good
30
6
29
25
46
Good
20
4
12
18
68
Good
35
6
33
22
36
Good
36
6
27
24
42
Good
16
3
12
20
64
Good
42
7
30
24
41

United States's Metro Cities

Air Quality Index

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.

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

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 33 (Good). This was last updated 2 minutes ago (Local Time).

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

The best AQI level was 29 (Good) at 6:10 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 37 (Good) at 3:09 PM, Jul 8, 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 remained stable over the last 24 hours as around 31.36 .

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.