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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

California's Cities

Real-time Air Pollution Level

cities
Status
AQI (US)
PM₂.₅(µg/m³)
PM₁₀(µg/m³)
Temp.(°C)
Humi.(%)
Good
46
11
23
18
70
Good
42
10
26
25
62
Good
50
12
18
30
21
Moderate
93
16
141
29
46
Good
21
5
12
37
13
Good
50
12
43
29
24
Good
46
11
18
34
16
Moderate
56
15
18
20
61
Moderate
64
18
39
28
22
Moderate
58
16
20
30
26
Good
25
6
16
34
18
Good
50
12
42
33
25
Moderate
69
21
38
37
19
Good
24
6
21
32
34
Good
46
11
12
39
18
Good
28
5
5
32
34
Good
46
11
23
17
72
Moderate
52
13
42
29
30
Good
46
11
24
17
75
Good
46
11
14
35
20
Good
49
12
23
37
16
Good
42
10
18
42
18
Good
44
10
21
42
21
Moderate
54
14
16
19
68
Good
42
10
39
32
37
Good
42
10
28
42
20
Good
41
10
23
42
20
Good
46
11
21
23
76
Good
46
11
15
25
51
Good
38
9
27
17
72
Good
45
11
21
22
68
Moderate
51
12
58
24
67
Moderate
54
14
15
36
17
Good
42
10
11
29
20
Good
44
10
12
34
21
Good
46
11
18
41
20
Good
44
10
24
24
69
Moderate
65
19
24
34
21
Good
35
8
26
36
19
Good
50
12
18
30
21
Good
49
10
53
34
21
Moderate
52
13
57
24
67
Good
50
12
24
29
24
Good
50
12
22
29
24
Good
42
10
32
36
21
Good
34
8
14
37
15
Good
46
11
22
24
69
Moderate
53
14
14
19
81
Good
42
10
26
35
18
Good
46
11
19
28
19
Moderate
53
14
27
35
18
Moderate
53
12
61
26
62
Good
46
11
20
22
68
Moderate
69
21
37
36
19
Good
46
11
24
30
43
Good
38
9
24
42
21
Good
50
12
27
24
66
Moderate
51
12
41
32
20
Good
46
11
24
18
70
Moderate
53
14
14
15
83
Moderate
52
13
42
29
30
Good
46
11
23
17
72
Good
50
12
36
33
29
Moderate
52
13
49
24
67
Good
46
11
17
34
15
Good
46
11
42
33
31
Good
33
8
28
33
17
Good
50
12
14
28
42
Good
46
11
20
33
29
Good
27
6
25
36
21
Moderate
100
14
156
29
46
Good
50
12
42
32
20
Moderate
52
13
50
24
67
Good
42
10
13
26
47
Moderate
53
14
49
31
43
Good
46
11
18
22
68
Good
36
9
20
30
22
Moderate
69
21
24
34
20
Good
42
10
25
14
100
Good
44
10
32
36
21
Good
42
10
25
19
65
Good
49
10
53
25
54
Good
46
11
23
37
21
Moderate
63
18
28
31
20
Good
38
9
14
23
47
Moderate
52
13
52
24
67
Good
46
11
28
37
19
Good
21
5
18
43
19
Good
46
11
12
32
20
Good
44
10
42
33
29
Moderate
53
14
14
37
16
Moderate
63
18
24
35
18
Good
46
10
50
19
65
Moderate
84
14
122
29
46
Good
46
11
30
34
24
Good
29
7
21
30
32
Moderate
53
14
24
34
26
Moderate
58
16
41
28
22
Good
21
5
17
26
28
Good
46
11
35
34
16
Good
46
11
24
18
70
Good
38
9
20
30
42
Good
42
10
17
29
20
Moderate
52
13
60
24
74
Moderate
58
16
20
19
75
Good
50
12
14
37
16
Moderate
53
12
61
28
56
Moderate
51
12
48
25
64
Good
42
10
27
27
45
Good
50
12
21
37
21
Good
36
8
29
34
24
Moderate
52
13
16
31
20
Good
29
7
18
23
26
Good
48
12
30
33
25
Moderate
69
21
34
37
18
Good
22
5
24
36
21
Good
50
12
14
33
20
Good
46
11
17
43
19
Good
50
12
26
34
24
Good
46
11
27
34
23
Good
46
11
25
27
24
Good
50
12
13
37
16
Good
50
12
42
33
19
Moderate
54
14
19
35
16
Good
25
6
17
24
31
Moderate
56
15
23
20
61
Good
42
10
11
32
13
Moderate
52
13
41
21
66
Moderate
58
16
17
19
68
Good
25
6
16
34
18
Good
42
10
22
24
50
Good
42
10
18
43
19
Good
42
10
22
18
70
Good
50
12
41
33
21
Moderate
56
15
18
20
61
Moderate
52
13
27
30
44
Moderate
53
14
15
36
17
Good
47
11
46
33
31
Good
36
9
19
27
24
Moderate
60
17
22
19
68
Good
21
5
14
36
17
Good
21
5
17
34
20
Good
38
9
34
28
27
Good
21
5
20
42
17
Moderate
51
12
14
33
19
Good
29
7
14
46
11
Good
25
6
27
36
25
Moderate
52
13
45
32
41
Moderate
56
15
23
28
26
Moderate
56
14
68
32
41
Good
50
12
38
32
32
Good
46
11
14
30
24
Good
46
11
19
28
19
Moderate
54
14
43
37
16
Moderate
52
13
55
31
43
Moderate
54
14
33
37
23
Good
35
7
38
24
32
Moderate
52
13
16
31
20
Good
46
11
11
33
25
Good
32
8
11
37
15
Good
41
10
13
37
13
Good
46
11
32
34
20
Good
42
10
23
24
50
Good
44
11
25
37
16
Good
46
11
14
31
23
Good
44
10
41
33
29
Good
46
11
18
37
17
Good
46
11
46
34
13
Moderate
51
13
36
32
20
Good
50
12
13
18
70
Good
42
10
21
41
21
Good
46
11
11
33
25
Good
50
12
37
34
20
Good
45
11
23
24
69
Good
44
10
24
18
70
Good
45
11
22
26
47
Good
50
12
14
21
56
Good
38
9
21
18
70
Moderate
60
17
24
21
59
Good
42
10
14
27
37
Good
50
12
24
18
70
Moderate
52
13
42
28
45
Good
46
11
19
22
68
Moderate
51
12
38
33
30
Good
46
11
21
17
72
Moderate
58
16
22
39
15
Moderate
58
16
21
19
68
Good
50
12
16
25
51
Good
50
12
13
41
15
Good
38
9
27
17
72
Moderate
58
16
26
26
42
Moderate
73
23
35
36
19
Moderate
58
16
23
31
30
Good
46
11
12
32
15
Moderate
52
12
60
28
56
Good
50
12
40
32
37
Good
42
10
24
33
17
Moderate
52
13
58
26
62
Good
17
4
17
27
31
Moderate
52
13
33
36
21
Moderate
60
17
31
24
46
Good
50
12
42
33
25
Good
21
5
5
28
20
Good
47
12
13
29
20
Good
17
4
18
27
31
Good
46
11
23
31
35
Good
48
12
37
33
29
Good
50
12
25
37
19
Moderate
52
13
37
33
29
Good
44
10
16
33
21
Good
19
4
20
27
31
Good
48
12
32
33
19
Moderate
58
16
17
33
22
Good
50
12
48
32
34
Moderate
52
13
42
33
22
Good
50
12
24
21
66
Moderate
56
15
22
19
75
Moderate
52
13
24
37
21
Good
46
11
30
37
22
Moderate
52
13
14
34
13
Good
46
11
19
42
21
Good
23
6
17
28
37
Moderate
57
16
17
34
21
Good
46
11
16
34
15
Moderate
52
13
44
24
46
Good
49
12
30
32
20
Good
44
10
29
37
19
Moderate
52
13
40
33
20
Good
49
12
31
33
19
Moderate
74
23
25
33
20
Good
50
12
22
34
21
Good
50
12
18
34
27

United States's Metro Cities

Air Quality Index

Chicago City AQI

Chicago

132

temp.24°C
hum.71%
Los Angeles City AQI

Los Angeles

50

temp.24°C
hum.67%
Minneapolis City AQI

Minneapolis

53

temp.30°C
hum.39%
Nashville City AQI

Nashville

50

temp.28°C
hum.79%
New Orleans City AQI

New Orleans

50

temp.32°C
hum.62%
New York City City AQI

New York City

67

temp.24°C
hum.90%
San Francisco City AQI

San Francisco

42

temp.18°C
hum.70%
Washington City AQI

Washington

48

temp.27°C
hum.76%

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.

Appleton, Wisconsin

166

Unhealthy

6xabove Standard

2.

Grand Rapids, Michigan

166

Unhealthy

6xabove Standard

3.

Green Bay, Wisconsin

164

Unhealthy

5xabove Standard

4.

Milwaukee, Wisconsin

163

Unhealthy

5xabove Standard

5.

Shorewood, Wisconsin

162

Unhealthy

5xabove Standard

6.

Greendale, Wisconsin

162

Unhealthy

5xabove Standard

7.

Holland, Michigan

162

Unhealthy

5xabove Standard

8.

Lansing, Michigan

160

Unhealthy

5xabove Standard

9.

Waukesha, Wisconsin

158

Unhealthy

5xabove Standard

10.

Dearborn, Michigan

157

Unhealthy

5xabove Standard

Last Updated: 19 Jul 2026, 02:00 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.

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 2026AQI Team
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
Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

1 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
Prana Air Logo

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