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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 minutes ago (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.webp in California
overcast

19 °C

Overcast
Humidity
Humidity81 %

Wind Speed
Wind Speed10 km/h

UV Index
UV Index0
Last Updated: 10 minutes ago (Local Time)


Map

California

Major Air Pollutants

California

AQI Graph

Historical Air Quality Data

California

California
AQI
.
19-07-2025Time20-07-2025
31
Min.at 8:09 AM on 19th Jul
35
Max.at 4:09 PM on 19th 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
22
4
12
16
82
Good
38
7
20
24
60
Good
33
6
21
20
56
Good
38
7
14
21
75
Good
26
5
20
20
64
Good
23
4
13
16
81
Good
23
4
14
17
72
Good
21
4
13
19
75
Good
44
8
25
20
58
Good
21
4
20
19
74
Good
34
6
22
24
56
Good
19
4
13
16
81
Good
46
8
27
21
60
Good
39
7
25
25
59
Good
39
7
25
25
58
Good
33
6
22
20
59
Good
19
3
12
16
81
Good
22
4
13
15
83
Good
36
7
26
17
49
Good
31
6
26
17
49
Good
34
6
20
22
67
Good
36
6
30
26
62
Good
26
5
12
19
75
Good
39
7
22
19
79
Good
41
7
32
26
66
Good
38
7
29
27
62
Good
43
8
19
20
72
Good
24
4
15
20
61
Good
38
7
18
21
73
Good
42
8
15
22
76
Good
39
7
21
21
49
Good
29
5
20
17
52
Good
32
6
19
19
66
Good
38
6
24
26
50
Good
39
7
22
22
77
Good
27
5
19
20
62
Good
32
6
24
22
57
Good
31
5
19
20
58
Good
33
6
18
17
73
Good
43
8
15
21
77
Good
23
4
15
17
72
Good
21
4
13
17
74
Moderate
51
9
28
21
60
Good
28
5
20
20
64
Good
36
6
18
23
72
Good
26
4
14
18
74
Good
46
8
20
20
50
Good
27
5
25
20
60
Good
45
8
23
22
54
Good
39
7
26
19
74
Good
36
7
17
20
76
Good
49
4
53
25
66
Good
37
6
19
20
80
Good
20
4
13
17
74
Good
22
4
13
15
83
Good
32
6
13
19
68
Good
23
4
14
16
81
Good
33
6
22
20
59
Good
35
6
23
18
81
Good
39
7
19
21
71
Good
28
5
20
20
64
Good
44
8
28
29
43
Good
32
6
19
19
52
Good
33
6
17
20
67
Good
43
8
24
26
50
Good
42
8
26
21
57
Good
38
7
13
21
75
Good
22
4
12
16
80
Good
42
8
16
21
77
Good
26
5
19
20
61
Good
43
8
24
20
74
Good
41
8
15
20
82
Good
33
6
23
20
55
Good
27
5
16
18
69
Good
19
4
14
17
77
Moderate
51
10
30
22
60
Good
29
5
20
19
68
Good
20
4
14
17
70
Good
39
7
25
24
49
Good
23
4
18
20
58
Good
24
4
13
20
65
Good
38
7
18
21
74
Good
44
8
24
22
57
Good
38
7
25
24
70
Good
27
5
19
22
56
Good
40
8
26
20
81
Good
40
8
22
21
50
Good
44
8
26
22
53
Good
30
6
22
21
57
Good
38
7
19
22
68
Good
40
7
24
26
54
Good
28
5
19
21
55
Good
47
8
26
25
56
Good
39
7
22
21
49
Good
27
5
18
16
59
Good
21
3
15
18
68
Good
19
3
14
17
81
Good
39
7
18
21
58
Good
24
4
19
20
64
Good
39
7
17
21
78
Good
31
6
12
20
75
Good
39
7
24
20
50
Good
40
8
16
22
76
Good
39
7
19
21
73
Good
33
6
25
20
59
Good
36
6
21
23
52
Good
41
8
28
21
59
Good
24
4
25
20
50
Good
33
6
20
15
56
Good
20
4
14
16
79
Good
35
6
22
20
70
Good
42
8
28
21
57
Good
41
7
18
19
63
Good
36
6
28
26
66
Good
33
6
22
20
58
Good
32
6
22
19
63
Good
47
8
26
18
52
Good
38
7
21
21
50
Good
26
5
18
17
72
Good
45
8
28
24
52
Good
26
5
20
17
59
Good
31
6
21
21
60
Good
41
7
21
19
49
Good
23
4
12
16
81
Good
32
6
17
19
70
Good
34
6
22
24
56
Good
18
3
13
16
81
Good
36
6
28
26
65
Good
22
4
12
16
82
Good
20
4
13
16
81
Good
21
4
13
19
75
Good
36
6
20
18
78
Good
38
7
23
21
51
Good
38
7
23
22
71
Good
39
7
24
19
56
Good
29
5
15
21
60
Good
32
6
21
20
65
Good
29
5
19
20
65
Good
28
5
21
20
63
Good
37
7
27
20
81
Good
31
6
20
20
52
Good
39
7
25
22
60
Good
39
7
25
22
57
Good
41
7
24
19
80
Good
26
5
22
19
75
Good
38
7
18
21
74
Good
36
6
24
18
81
Good
28
5
19
21
56
Good
27
5
25
20
60
Good
34
6
28
17
49
Good
39
7
22
20
74
Good
50
9
24
20
60
Good
23
4
26
16
48
Good
24
4
25
20
50
Good
27
5
16
20
60
Good
30
5
20
19
59
Good
29
5
19
20
60
Good
38
7
25
26
51
Good
19
3
13
16
81
Good
36
6
21
20
52
Good
26
5
12
16
81
Good
41
8
26
19
81
Good
45
8
28
24
52
Good
26
5
13
19
66
Good
20
3
13
16
78
Good
25
4
14
17
78
Good
37
7
28
26
63
Good
27
5
16
20
61
Good
34
6
27
27
48
Good
40
7
20
21
75
Good
20
4
12
15
80
Good
29
5
16
17
76
Good
26
5
19
20
62
Good
20
4
14
16
81
Good
26
4
14
20
65
Good
39
7
26
21
60
Good
19
3
13
16
81
Good
20
4
12
16
82
Good
44
8
18
22
76
Good
46
8
24
26
52
Good
19
3
15
17
78
Good
34
6
20
25
59
Good
29
5
15
21
61
Good
34
6
24
18
78
Good
35
6
22
25
56
Good
24
4
15
20
61
Good
19
3
13
16
72
Good
44
8
25
22
57
Good
33
6
22
24
58
Good
32
6
19
19
55
Good
40
7
16
22
76
Good
34
6
21
23
57
Good
30
6
20
20
56
Good
40
7
16
20
77
Good
23
4
19
17
56
Good
44
8
21
23
56
Good
23
4
18
19
66
Good
26
5
14
16
80
Good
31
5
21
17
57
Good
28
5
23
16
50
Good
23
4
18
16
56
Good
38
7
22
30
40
Good
36
6
20
18
81
Good
45
8
24
24
56
Good
36
7
20
19
79
Good
28
5
18
18
66
Good
28
5
19
16
54
Good
27
5
21
18
73
Good
27
5
19
19
69
Good
44
8
26
27
51
Good
19
3
13
17
70
Good
24
4
12
16
81
Good
29
5
21
19
77
Good
44
8
25
24
49
Good
46
8
24
21
57
Moderate
53
10
22
20
56
Good
36
6
31
26
63
Good
21
4
20
20
57
Good
31
6
20
20
65
Good
19
3
13
18
69
Good
19
3
13
16
75
Good
24
4
16
20
65
Good
44
8
24
22
61
Good
30
6
13
16
75
Good
34
6
24
21
54
Good
32
6
20
19
56
Good
26
5
17
17
73
Good
35
6
20
21
56

United States's Metro Cities

Air Quality Index

Health Advice For People Living In

California

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

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 34 (Good). This was last updated 10 minutes ago (Local Time).

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

The best AQI level was 31 (Good) at 8:09 AM, Jul 19, 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 35 (Good) at 4:09 PM, Jul 19, 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 31.84 .

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.