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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.(%)
Moderate
52
13
25
25
44
Moderate
67
20
36
27
23
Moderate
68
13
90
27
13
Moderate
52
12
60
26
56
Good
46
11
41
32
16
Moderate
58
11
71
29
20
Good
50
10
54
29
20
Good
46
11
25
26
36
Moderate
54
11
63
29
10
Good
45
11
34
29
21
Good
38
9
38
28
13
Moderate
80
15
116
31
19
Moderate
52
11
59
30
19
Moderate
52
13
31
23
20
Moderate
56
15
37
25
13
Good
11
2
2
23
20
Good
50
12
21
25
38
Moderate
52
13
23
28
24
Moderate
54
14
23
25
44
Good
38
9
10
21
12
Good
45
11
12
21
12
Moderate
69
21
27
30
30
Moderate
70
22
26
34
20
Good
46
11
20
26
36
Good
46
11
34
27
33
Good
40
5
42
33
20
Moderate
68
20
23
34
20
Moderate
54
14
38
22
78
Moderate
52
13
26
29
32
Good
46
11
42
29
23
Moderate
53
13
44
29
22
Good
48
12
41
24
70
Good
33
8
9
24
10
Good
38
9
35
27
17
Good
46
11
50
29
15
Moderate
56
15
26
30
21
Moderate
73
23
58
26
44
Good
48
12
48
32
15
Moderate
64
12
82
30
17
Moderate
68
13
92
27
13
Moderate
54
11
62
30
19
Good
50
12
42
27
45
Good
50
12
23
28
24
Good
50
12
22
28
24
Moderate
74
13
104
32
17
Good
46
11
42
31
16
Moderate
69
21
54
23
70
Moderate
54
14
20
21
44
Good
50
12
38
27
11
Moderate
60
11
76
28
20
Good
48
12
47
27
11
Good
50
12
43
27
45
Moderate
56
15
30
29
32
Moderate
54
12
62
31
15
Moderate
66
19
44
27
41
Moderate
75
24
35
34
19
Moderate
52
13
48
23
68
Moderate
54
10
64
31
18
Moderate
54
14
23
25
44
Good
50
12
20
15
82
Moderate
52
13
26
31
19
Good
50
12
21
25
38
Good
46
11
41
28
14
Good
50
12
37
27
45
Good
38
9
38
29
17
Moderate
56
15
55
28
24
Good
44
8
47
25
14
Good
50
12
38
23
32
Good
46
11
26
29
24
Moderate
64
14
83
30
17
Moderate
52
12
60
26
56
Moderate
57
11
69
31
18
Good
50
12
35
27
45
Good
50
12
30
32
17
Moderate
51
12
52
25
19
Moderate
52
13
27
29
32
Good
50
12
38
29
14
Good
48
11
52
30
18
Moderate
52
13
21
21
60
Moderate
100
15
156
31
18
Moderate
52
13
20
33
17
Moderate
58
13
71
32
16
Moderate
56
15
41
28
13
Good
48
11
52
30
16
Good
46
11
30
31
18
Good
46
11
42
27
45
Moderate
85
14
126
31
18
Good
24
5
26
34
12
Moderate
54
14
40
29
14
Moderate
55
14
53
28
24
Good
42
10
11
24
9
Good
46
11
40
27
11
Moderate
57
10
69
31
16
Moderate
52
12
59
28
41
Good
46
11
34
28
17
Good
46
11
41
31
14
Good
46
11
22
26
13
Moderate
56
11
68
29
10
Good
21
5
5
19
13
Good
39
9
39
30
16
Good
50
12
21
25
38
Moderate
63
18
26
24
22
Moderate
58
11
72
28
20
Good
50
12
43
24
70
Good
50
12
18
27
36
Good
46
11
12
24
9
Moderate
51
12
40
24
70
Good
28
5
6
28
22
Good
50
12
39
25
51
Moderate
52
13
22
31
18
Moderate
52
13
38
27
13
Moderate
66
12
88
32
16
Moderate
70
13
96
28
16
Good
29
7
19
21
12
Moderate
82
15
118
32
16
Good
50
11
55
29
17
Moderate
67
14
89
30
17
Moderate
52
13
18
25
19
Moderate
60
17
26
34
12
Moderate
66
13
88
32
16
Moderate
76
15
108
32
16
Moderate
82
13
118
27
13
Good
42
10
11
24
9
Moderate
74
14
102
31
17
Good
42
10
17
28
14
Good
34
5
37
20
14
Good
46
11
29
23
50
Moderate
54
14
44
27
20
Good
50
12
24
31
18
Good
45
11
20
26
36
Good
38
9
38
28
13
Moderate
52
13
24
24
43
Moderate
67
20
26
34
12
Moderate
51
12
24
25
44
Moderate
70
11
95
32
16
Good
46
11
24
26
36
Moderate
51
12
47
29
15
Good
38
9
10
24
10
Moderate
54
14
56
28
24
Moderate
64
10
87
27
13
Good
42
10
22
26
36
Good
46
11
43
32
14
Good
50
11
55
30
14
Good
44
10
48
31
13
Good
26
6
28
29
15
Moderate
60
12
74
27
16
Good
24
5
26
31
8
Moderate
68
13
91
33
15
Good
46
11
44
27
45
Good
42
10
34
30
15
Good
46
11
45
28
41
Good
46
11
42
28
14
Moderate
71
13
97
29
13
Moderate
60
11
75
28
20
Good
46
11
12
21
12
Moderate
54
13
62
27
33
Moderate
72
12
99
31
14
Good
38
9
34
25
16
Moderate
70
13
96
28
16
Moderate
56
15
34
31
14
Good
48
10
52
31
17
Good
46
11
43
32
16
Moderate
54
14
41
28
20
Moderate
52
13
22
24
43
Good
42
10
27
24
9
Moderate
56
10
68
30
20
Moderate
56
15
52
28
24
Good
46
11
18
28
14
Good
38
9
40
29
17
Good
49
9
54
30
20
Good
46
11
28
25
37
Moderate
70
21
25
32
16
Moderate
56
15
34
31
14
Moderate
52
13
46
28
20
Moderate
72
22
54
23
70
Moderate
53
14
24
20
62
Moderate
52
13
22
33
14
Good
46
11
32
31
18
Good
50
12
23
25
44
Good
46
11
25
23
50
Good
46
11
32
31
17
Moderate
54
14
22
27
28
Good
48
12
24
19
67
Moderate
56
15
28
29
32
Good
46
11
38
29
15
Good
50
12
21
25
38
Good
42
10
23
30
17
Good
46
11
21
26
36
Good
50
12
26
29
32
Moderate
52
13
55
27
8
Good
46
11
41
29
23
Good
50
12
22
32
16
Moderate
52
13
60
32
16
Moderate
72
13
100
28
17
Good
49
12
48
26
22
Moderate
53
14
40
24
70
Good
44
10
36
29
27
Moderate
52
13
54
25
14
Moderate
52
13
44
27
45
Good
21
5
5
18
27
Moderate
54
13
63
27
12
Moderate
57
12
69
33
15
Moderate
82
15
119
31
19
Good
21
5
18
26
19
Good
42
10
36
27
17
Good
25
6
9
25
14
Moderate
52
13
33
28
24
Moderate
51
12
37
28
29
Moderate
53
13
61
30
13
Good
46
11
40
27
33
Moderate
68
11
91
29
19
Good
23
6
12
25
14
Moderate
83
16
121
32
16
Good
50
12
42
31
15
Moderate
56
15
55
27
33
Moderate
53
10
62
30
19
Moderate
52
13
23
27
28
Good
42
10
19
27
36
Moderate
54
14
38
28
13
Moderate
90
13
136
33
14
Good
46
11
40
26
17
Moderate
69
21
25
34
20
Good
50
12
42
27
21
Good
46
11
32
29
19
Good
50
9
56
31
17
Moderate
60
13
75
31
18
Moderate
53
11
60
28
20
Moderate
60
12
75
30
13
Good
44
10
47
29
20
Moderate
65
13
84
28
14
Moderate
54
14
19
25
19
Good
49
10
53
30
16
Moderate
56
15
30
31
12

United States's Metro Cities

Air Quality Index

Chicago City AQI

Chicago

47

temp.15°C
hum.92%
Los Angeles City AQI

Los Angeles

49

temp.26°C
hum.54%
Minneapolis City AQI

Minneapolis

47

temp.25°C
hum.49%
Nashville City AQI

Nashville

35

temp.27°C
hum.32%
New Orleans City AQI

New Orleans

52

temp.31°C
hum.57%
New York City City AQI

New York City

25

temp.24°C
hum.50%
San Francisco City AQI

San Francisco

53

temp.20°C
hum.62%
Washington City AQI

Washington

25

temp.27°C
hum.45%

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.

Hanford, California

108

Poor

1xabove Standard

2.

Visalia, California

95

Moderate

1xbelow Standard

3.

Huron, California

86

Moderate

1xbelow Standard

4.

Twin Falls, Idaho

85

Moderate

2xabove Standard

5.

Turlock, California

84

Moderate

1xbelow Standard

6.

Woodlake, California

83

Moderate

1xbelow Standard

7.

Corcoran, California

81

Moderate

1xbelow Standard

8.

Manteca, California

81

Moderate

1xbelow Standard

9.

Merced, California

76

Moderate

1xequal Standard

10.

Modesto, California

76

Moderate

1xequal Standard

Last Updated: 30 Sept 2026, 07:52 PM

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
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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.

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