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California Air Quality Index (AQI) | Air Pollution

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

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Check the air quality level of thecities in California

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California

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California's Cities

Real-time Air Pollution Level

cities
Status
AQI (US)
PM₂.₅(µg/m³)
PM₁₀(µg/m³)
Temp.(°C)
Humi.(%)
Good
50
12
15
16
80
Good
42
10
32
17
61
Moderate
58
16
31
22
20
Moderate
51
12
40
22
70
Moderate
56
15
17
21
33
Moderate
52
13
27
21
38
Moderate
58
16
37
23
31
Good
42
10
35
15
84
Moderate
60
16
75
16
39
Good
42
10
23
20
43
Moderate
58
16
34
21
20
Moderate
52
13
36
23
30
Moderate
63
15
80
21
40
Good
39
9
31
20
48
Good
46
11
17
28
22
Good
22
4
5
20
48
Moderate
56
15
16
17
71
Moderate
52
13
19
21
45
Good
46
11
17
16
80
Moderate
64
17
84
14
19
Moderate
53
14
57
14
19
Good
21
5
15
24
41
Good
50
12
14
26
35
Good
42
10
31
15
84
Moderate
52
13
33
24
29
Moderate
54
14
16
27
33
Good
46
11
15
27
35
Moderate
52
13
42
21
78
Good
46
11
21
21
32
Moderate
54
14
37
18
42
Moderate
52
13
40
18
29
Moderate
51
12
36
22
74
Moderate
79
18
113
14
19
Moderate
63
14
81
11
44
Moderate
67
20
20
24
22
Good
42
10
24
25
36
Moderate
52
13
42
23
57
Moderate
65
12
85
17
51
Moderate
58
15
71
25
27
Moderate
58
16
30
22
20
Moderate
65
19
68
24
24
Good
50
12
36
24
58
Good
50
12
16
21
45
Moderate
52
13
16
21
45
Moderate
84
17
124
21
35
Moderate
58
16
20
25
24
Moderate
51
12
38
22
72
Moderate
56
15
16
14
81
Good
42
10
32
19
42
Moderate
52
13
17
20
43
Moderate
63
17
65
12
42
Moderate
52
13
35
24
58
Good
50
12
23
21
27
Moderate
59
15
73
21
36
Good
49
12
32
23
55
Moderate
54
14
15
27
33
Good
50
12
44
23
49
Moderate
56
15
36
20
40
Good
46
11
16
16
80
Moderate
56
15
18
14
95
Good
50
12
16
18
57
Moderate
54
14
16
17
71
Good
50
12
31
20
27
Moderate
54
14
38
23
58
Moderate
58
16
38
24
23
Good
50
12
37
23
37
Good
48
8
52
12
22
Good
42
10
18
13
99
Good
44
10
30
17
86
Moderate
60
15
76
25
27
Good
50
12
38
22
70
Moderate
54
14
37
20
40
Good
50
12
40
24
58
Good
50
12
33
15
75
Good
50
12
42
20
30
Moderate
52
13
22
21
27
Moderate
58
16
31
18
19
Moderate
63
18
46
22
27
Good
42
10
16
15
88
Moderate
84
18
124
21
34
Good
50
12
16
17
57
Moderate
64
11
84
19
41
Good
42
10
34
20
28
Moderate
56
14
68
22
33
Good
46
11
36
16
65
Moderate
56
15
39
24
58
Moderate
74
17
104
22
32
Good
42
10
18
27
27
Good
50
12
24
22
24
Moderate
53
14
41
24
37
Moderate
78
18
110
18
13
Moderate
65
19
56
12
42
Moderate
56
15
42
20
37
Good
50
12
42
22
65
Good
50
12
33
19
78
Moderate
63
12
81
20
39
Moderate
58
16
34
22
35
Moderate
61
14
77
16
39
Good
21
5
8
11
24
Moderate
60
17
34
22
23
Moderate
54
14
17
17
71
Good
46
11
26
17
54
Moderate
51
12
18
20
43
Moderate
52
13
39
22
74
Good
46
11
32
14
93
Moderate
76
18
108
18
13
Moderate
51
12
36
22
74
Good
22
4
6
20
45
Moderate
54
14
37
23
58
Moderate
54
14
16
18
50
Good
50
12
15
21
26
Moderate
62
15
77
19
40
Moderate
58
16
23
10
43
Good
32
8
29
8
25
Moderate
54
14
36
21
28
Moderate
62
15
78
21
35
Moderate
66
15
87
25
27
Moderate
56
15
16
13
57
Good
42
10
28
26
27
Moderate
62
14
78
22
28
Moderate
73
11
102
20
35
Moderate
68
16
92
14
22
Moderate
78
18
111
18
13
Moderate
52
13
60
21
25
Moderate
63
18
43
19
32
Good
12
3
4
6
32
Good
42
10
27
17
68
Moderate
52
13
14
13
45
Moderate
52
13
19
16
72
Good
41
10
31
15
84
Moderate
58
16
34
21
20
Good
42
10
16
15
75
Good
42
10
26
26
27
Moderate
51
12
16
16
80
Moderate
56
15
28
20
40
Good
42
10
35
15
84
Good
49
12
38
19
30
Moderate
69
16
85
14
19
Moderate
51
13
45
24
37
Good
50
12
62
14
22
Good
50
12
35
16
84
Moderate
65
19
23
23
26
Moderate
69
21
33
23
21
Good
50
12
39
19
33
Good
42
10
18
23
36
Moderate
64
18
22
24
23
Good
21
5
14
26
12
Moderate
71
15
97
20
38
Moderate
54
14
40
23
58
Good
42
10
25
20
38
Moderate
52
13
38
22
65
Good
50
12
30
20
27
Moderate
57
15
29
17
20
Moderate
52
13
17
20
43
Moderate
65
17
85
14
19
Good
50
12
41
22
54
Moderate
72
17
98
22
33
Good
50
12
16
9
32
Moderate
58
16
22
10
43
Moderate
54
14
25
20
24
Good
50
12
14
22
29
Moderate
59
16
19
21
33
Moderate
52
13
40
23
47
Good
42
10
17
15
75
Good
50
12
45
18
13
Moderate
52
13
36
20
48
Moderate
52
13
40
24
37
Moderate
58
16
47
19
32
Moderate
58
16
33
24
23
Moderate
58
16
41
21
42
Moderate
54
14
36
13
92
Good
43
10
19
24
37
Moderate
54
14
25
20
24
Moderate
52
13
40
23
47
Good
50
12
37
22
72
Good
44
10
17
16
84
Moderate
56
15
17
16
50
Good
50
12
38
16
65
Moderate
52
13
16
16
80
Good
44
10
32
18
68
Good
50
12
34
15
75
Good
50
12
19
19
61
Good
50
12
18
16
86
Moderate
52
13
23
21
27
Moderate
56
15
30
21
33
Moderate
54
14
19
17
71
Good
42
10
33
22
33
Good
50
12
32
16
84
Good
46
11
25
21
32
Moderate
54
14
18
24
16
Moderate
54
14
37
18
42
Good
46
11
16
19
41
Moderate
64
14
83
22
35
Good
38
9
31
22
33
Moderate
58
16
17
13
44
Good
48
12
37
22
74
Moderate
52
13
26
22
34
Good
48
10
47
12
22
Moderate
52
13
36
24
58
Good
33
8
9
10
40
Moderate
70
16
95
19
27
Moderate
66
12
86
19
43
Moderate
56
15
33
23
30
Good
29
7
8
13
38
Moderate
61
14
56
11
44
Good
25
6
6
7
31
Good
42
10
32
17
86
Moderate
52
13
32
23
34
Moderate
58
16
49
20
24
Moderate
52
13
29
24
29
Moderate
55
14
24
23
28
Good
30
6
16
7
31
Moderate
70
13
96
20
34
Moderate
52
13
43
14
60
Moderate
52
13
42
21
54
Good
50
12
38
23
34
Good
50
12
18
19
61
Good
50
12
36
14
93
Good
46
11
29
20
28
Moderate
83
16
121
19
40
Moderate
56
15
17
15
54
Good
50
12
15
26
35
Moderate
54
14
40
17
56
Moderate
63
18
52
25
22
Moderate
58
16
36
21
34
Moderate
66
11
86
17
49
Moderate
55
15
48
25
25
Moderate
65
16
74
20
24
Moderate
58
16
36
24
24
Moderate
58
14
72
22
30
Moderate
59
16
33
13
57
Moderate
68
20
35
22
24
Good
46
11
18
22
31

United States's Metro Cities

Air Quality Index

Chicago City AQI

Chicago

35

temp.19°C
hum.59%
Los Angeles City AQI

Los Angeles

53

temp.23°C
hum.58%
Minneapolis City AQI

Minneapolis

46

temp.17°C
hum.96%
Nashville City AQI

Nashville

47

temp.17°C
hum.66%
New Orleans City AQI

New Orleans

51

temp.25°C
hum.72%
New York City City AQI

New York City

34

temp.18°C
hum.73%
San Francisco City AQI

San Francisco

44

temp.16°C
hum.84%
Washington City AQI

Washington

15

temp.18°C
hum.83%

Most Polluted Cities 2026

United States

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

Most Polluted Cities Live Ranking 2026
World's Most PollutedCity Rankings (2025)
World's Most PollutedCountry Rankings(2025)
RankCityAQI Status

Standard Value

Follow

1.

Corcoran, California

84

Moderate

1xequal Standard

2.

Hanford, California

84

Moderate

1xabove Standard

3.

Keeler, California

82

Moderate

1xabove Standard

4.

Lone Pine, California

82

Moderate

1xabove Standard

5.

Olancha, California

82

Moderate

1xabove Standard

6.

Visalia, California

78

Moderate

1xabove Standard

7.

Huron, California

76

Moderate

1xabove Standard

8.

Birmingham, Alabama

76

Moderate

2xabove Standard

9.

Porterville, California

73

Moderate

1xabove Standard

10.

Woodlake, California

72

Moderate

1xequal Standard

Last Updated: 30 Sept 2026, 06:58 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
Prana Air offers the solutions of air quality monitoring and clean air machine 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.

Prana Air offers the solutions of air quality monitoring and clean air machine 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.

Prana Air offers the solutions of air quality monitoring and clean air machine 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.

Prana Air offers the solutions of air quality monitoring and clean air machine 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.

Prana Air offers the solutions of air quality monitoring and clean air machine 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.

Prana Air offers the solutions of air quality monitoring and clean air machine 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.

Prana Air offers the solutions of air quality monitoring and clean air machine 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.

Prana Air offers the solutions of air quality monitoring and clean air machine 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.

Prana Air offers the solutions of air quality monitoring and clean air machine 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.

Prana Air offers the solutions of air quality monitoring and clean air machine 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.

Prana Air offers the solutions of air quality monitoring and clean air machine 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.

Prana Air offers the solutions of air quality monitoring and clean air machine 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.

Prana Air offers the solutions of air quality monitoring and clean air machine 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.

Prana Air offers the solutions of air quality monitoring and clean air machine for California

Air Quality Solutions for Banks

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

Prana Air offers the solutions of air quality monitoring and clean air machine 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.

Prana Air offers the solutions of air quality monitoring and clean air machine 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

Recent AQI Blogs

Read the latest news

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

Toronto's Air Stayed Clean but September Pushed Back

Toronto's Air Stayed Clean but September Pushed Back

28 Sept 2026AQI Newsroom
Montreal's Air Stayed Clean But September Told a Different Story

Montreal's Air Stayed Clean But September Told a Different Story

28 Sept 2026AQI Newsroom
Vancouver's Air Cleaned Up Fast — Here's What the Numbers Show

Vancouver's Air Cleaned Up Fast — Here's What the Numbers Show

28 Sept 2026AQI Newsroom
The Night a Wall of Dust Swallowed Phoenix: What 1,520 Air Quality Readings Reveal About Arizona's Air

The Night a Wall of Dust Swallowed Phoenix: What 1,520 Air Quality Readings Reveal About Arizona's Air

24 Aug 2026Gyane Haobijam
New Delhi's Monsoon AQI Dip That Didn't Quite Last

New Delhi's Monsoon AQI Dip That Didn't Quite Last

14 Aug 2026AQI Newsroom
Gurgaon's Air Grew Steadily Worse Through Monsoon 2026

Gurgaon's Air Grew Steadily Worse Through Monsoon 2026

14 Aug 2026AQI Newsroom
Allahabad Air Quality Dips Then Swings Through Monsoon 2026

Allahabad Air Quality Dips Then Swings Through Monsoon 2026

13 Aug 2026AQI Newsroom
Mumbai's Monsoon Air: Clean Spells, Stubborn PM10 Rises

Mumbai's Monsoon Air: Clean Spells, Stubborn PM10 Rises

11 Aug 2026AQI Newsroom
Chennai's Air Quietly Worsened Through July 2026

Chennai's Air Quietly Worsened Through July 2026

11 Aug 2026AQI Newsroom
Kolkata's Monsoon Air: From Hazardous Peak to Clean Skies

Kolkata's Monsoon Air: From Hazardous Peak to Clean Skies

11 Aug 2026AQI Newsroom
World Top 10 Hottest Cities Are All in India Again - May 2026

World Top 10 Hottest Cities Are All in India Again - May 2026

4 Jun 2026Gyane Haobijam
Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

2 Jun 2026Gyane Haobijam
What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

27 May 2026AQI Team
World Top Hottest Cities Belong to India - April 2026

World Top Hottest Cities Belong to India - April 2026

28 Apr 2026Gyane Haobijam
Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

27 Mar 2026Gyane Haobijam
Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

17 Mar 2026Gyane Haobijam
Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

14 Feb 2026Gyane Haobijam
Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

12 Feb 2026Navya
Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

2 Feb 2026Gyane Haobijam
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Prana Sense

Air Quality Monitor

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

Prana Air Ambient Air Quality Monitor - most realiable outdoor aqi monitoringPrana Air Ambient Air Quality Monitor - most realiable outdoor aqi monitoring
Prana Air Logo

Pocket PM

Air Quality Monitor

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

Prana Air Pocket PM2.5 Air Quality Monitor - portable, smallest and afforablePrana Air Pocket PM2.5 Air Quality Monitor - portable, smallest and afforable
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Cair +

Indoor Air Quality Monitor

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

Prana Air Cair+ Indoor Air Quality Monitor for home, office or institutesPrana Air Cair+ Indoor Air Quality Monitor for home, office or institutes