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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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World Air Quality Report

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California's Cities

Real-time Air Pollution Level

Location
Status
AQI (US)
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Good
33
3
36
24
30
Good
29
7
16
24
12
Good
13
3
14
20
26
Good
30
2
32
25
9
Good
50
3
54
26
30
Good
26
2
28
24
36
Good
13
3
14
24
36
Good
29
3
31
21
39
Good
22
3
24
13
14
Good
35
8
14
22
30
Good
33
8
14
26
27
Good
12
3
11
22
51
Good
24
4
24
22
29
Good
18
2
19
21
13
Good
25
3
27
19
12
Good
39
3
42
18
42
Good
29
3
31
24
36
Good
34
3
37
24
30
Good
13
3
14
17
16
Good
12
3
12
17
16
Good
40
2
43
25
11
Good
46
8
50
25
11
Good
15
3
16
21
32
Good
25
6
17
23
10
Good
32
7
35
25
11
Moderate
60
8
74
25
11
Good
17
3
18
22
20
Good
12
3
11
18
42
Good
30
1
33
23
26
Good
18
2
18
26
11
Good
19
3
21
19
9
Good
12
3
9
16
54
Good
50
3
54
24
41
Good
28
2
30
25
9
Good
40
10
20
24
9
Good
45
6
48
26
29
Good
20
3
22
21
31
Good
12
2
13
20
26
Good
12
3
11
24
37
Good
19
2
20
26
11
Good
33
3
36
24
36
Good
36
3
39
24
36
Good
13
3
14
21
39
Moderate
53
3
60
26
31
Good
29
7
17
23
33
Good
14
3
15
14
81
Good
19
1
20
22
10
Good
33
3
36
23
34
Good
26
6
18
20
9
Good
38
9
24
22
29
Good
29
7
11
24
9
Good
46
7
50
25
11
Good
34
2
37
25
11
Good
21
2
22
23
43
Good
34
3
37
24
30
Good
14
3
15
14
81
Good
31
3
34
24
37
Good
40
3
43
18
42
Good
29
7
23
23
10
Good
17
2
18
26
9
Good
16
3
17
23
36
Good
31
6
33
22
11
Good
19
3
20
19
48
Good
31
3
33
19
70
Good
22
5
15
23
11
Good
18
3
19
20
35
Good
28
2
30
25
9
Good
25
3
27
23
43
Good
19
2
20
26
9
Good
32
3
36
23
36
Good
25
6
14
23
9
Good
22
2
24
23
26
Good
12
2
14
20
36
Good
20
3
22
24
41
Good
37
3
40
20
40
Good
17
3
18
21
39
Good
33
8
28
24
29
Good
11
2
12
26
29
Good
22
2
24
18
12
Good
33
8
29
23
35
Good
12
3
10
22
35
Good
17
1
18
26
9
Good
18
3
19
21
36
Good
26
2
28
27
7
Good
33
8
20
21
43
Good
25
6
27
23
10
Good
14
2
16
17
8
Good
18
3
19
20
9
Good
12
3
10
22
32
Good
24
2
26
25
9
Good
29
7
16
22
10
Moderate
54
8
62
21
39
Good
30
3
32
18
12
Good
27
2
29
13
14
Good
23
3
25
5
63
Good
15
3
16
22
41
Good
36
3
39
23
36
Good
25
6
12
19
15
Good
13
3
14
23
34
Good
18
2
19
25
11
Good
15
3
16
19
37
Good
13
2
14
17
8
Good
18
2
20
26
11
Good
18
2
18
26
9
Good
35
3
38
23
31
Good
11
1
12
18
12
Good
17
3
18
19
47
Good
35
3
38
18
40
Good
18
3
19
8
53
Good
11
2
12
22
51
Good
33
8
21
24
21
Good
19
3
20
20
35
Good
21
5
15
23
57
Good
14
2
16
28
7
Good
16
3
18
19
47
Good
14
3
15
18
50
Good
20
3
22
13
42
Good
13
3
14
17
8
Good
12
3
12
19
44
Good
15
3
16
19
11
Good
24
2
26
3
65
Good
15
3
16
21
39
Good
36
3
39
19
42
Good
31
3
33
27
30
Good
15
3
16
21
32
Good
33
8
14
26
27
Good
32
3
35
26
30
Good
29
2
31
28
7
Good
30
3
33
24
30
Good
15
3
16
24
36
Good
29
3
31
21
39
Good
31
7
34
23
13
Good
22
3
23
19
9
Good
25
6
25
23
10
Good
19
3
20
13
42
Good
23
3
25
21
32
Moderate
55
3
65
26
31
Good
26
2
28
24
41
Good
33
8
10
18
35
Good
25
6
20
25
9
Good
35
3
38
24
43
Good
16
3
17
27
6
Good
17
3
18
21
31
Good
25
6
17
23
10
Good
33
8
11
22
30
Good
20
1
22
25
9
Good
29
7
25
23
10
Good
16
3
17
20
37
Good
33
3
36
23
34
Good
12
3
11
17
16
Good
25
6
22
23
9
Good
20
3
22
22
31
Good
36
3
39
13
38
Good
41
3
44
18
40
Good
33
8
11
22
51
Moderate
60
3
74
26
31
Good
50
3
54
26
30
Good
19
1
20
22
10
Good
31
3
33
23
31
Good
14
3
15
17
8
Good
19
3
20
24
37
Good
25
6
26
23
12
Good
18
2
19
19
11
Good
16
3
17
23
41
Good
12
3
11
24
36
Good
34
2
37
22
35
Good
44
7
47
26
9
Good
33
8
11
22
51
Good
25
6
15
23
11
Good
35
9
16
23
33
Good
34
3
36
24
30
Good
31
2
34
24
29
Good
31
2
33
22
35
Good
28
3
30
24
30
Good
20
2
22
21
39
Good
33
3
36
24
33
Good
31
2
33
27
30
Good
33
3
36
27
30
Good
25
2
27
23
26
Good
29
7
22
23
9
Good
38
3
41
23
36
Good
19
3
20
21
39
Good
22
2
24
21
32
Good
38
9
19
22
20
Good
12
2
13
23
7
Good
12
3
11
18
42
Good
36
3
39
26
29
Good
19
3
21
22
29
Good
15
3
16
22
23
Moderate
54
6
68
21
44
Good
18
2
20
26
11
Good
31
8
20
23
13
Good
14
3
15
19
48
Good
18
2
19
26
9
Good
27
3
29
8
45
Good
33
8
22
20
43
Good
32
3
35
26
29
Good
12
3
12
22
51
Moderate
68
3
92
17
45
Good
38
3
42
16
54
Good
27
3
29
8
45
Good
50
12
15
21
14
Good
29
7
26
23
10
Good
14
3
15
20
49
Good
29
7
21
23
13
Good
12
2
14
23
36
Good
27
3
29
8
45
Good
12
3
12
19
44
Moderate
51
8
58
27
28
Good
25
6
23
22
11
Good
18
2
19
24
34
Good
29
3
31
27
30
Good
33
8
17
19
37
Good
20
2
22
18
12
Good
16
3
16
20
36
Good
46
3
50
23
33
Good
47
7
51
25
11
Good
48
8
52
24
60
Moderate
62
3
80
24
41
Good
17
3
18
23
36
Good
27
3
29
26
29
Good
14
3
14
24
36
Good
24
6
18
20
49
Good
15
3
16
24
36
Good
18
3
19
16
70
Good
30
4
28
23
57
Good
12
3
10
24
37
Good
19
2
20
18
11

United States's Metro Cities

Air Quality Index

Chicago City AQI

Chicago

52

temp.8°C
hum.100%
Los Angeles City AQI

Los Angeles

40

temp.25°C
hum.11%
Minneapolis City AQI

Minneapolis

43

temp.-1°C
hum.82%
Nashville City AQI

Nashville

39

temp.16°C
hum.83%
New Orleans City AQI

New Orleans

48

temp.26°C
hum.79%
New York City City AQI

New York City

37

temp.7°C
hum.96%
San Francisco City AQI

San Francisco

35

temp.24°C
hum.30%
Washington City AQI

Washington

32

temp.16°C
hum.78%

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.

Laredo, Texas

59
Moderate
1xbelow Standard

2.

Eagle Pass, Texas

58
Moderate
1xabove Standard

3.

Mission, Texas

58
Moderate
3xbelow Standard

4.

Lake Elsinore, California

56
Moderate
1xequal Standard

5.

Santa Clarita, California

55
Moderate
1xbelow Standard

6.

Rochester, New York

55
Moderate
1xbelow Standard

7.

Utica, New York

55
Moderate
1xbelow Standard

8.

Maricopa, Arizona

55
Moderate
1xbelow Standard

9.

Ontario, California

55
Moderate
1xbelow Standard

10.

Grand Rapids, Michigan

55
Moderate
1xbelow Standard

Last Updated: 08 Mar 2026, 12:57 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
aqi air quality app for California
Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store
Get it onGoogle Play
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.

Recent AQI Blogs

Read the latest news

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

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
Shocking Air Quality Data Reveals Hazardous Pollution in Baramulla’s Khawaja Bagh, Shattering the ‘Clean Air’ Myth of Jammu & Kashmir

Shocking Air Quality Data Reveals Hazardous Pollution in Baramulla’s Khawaja Bagh, Shattering the ‘Clean Air’ Myth of Jammu & Kashmir

29 Jan 2026Gyane Haobijam
What hourly AQI reveals : Rainfall’s Limited Impact on Delhi NCR’s Air Quality

What hourly AQI reveals : Rainfall’s Limited Impact on Delhi NCR’s Air Quality

28 Jan 2026Navya
Delhi’s Air in 2025: A Year Where Clean Days Never Arrived

Delhi’s Air in 2025: A Year Where Clean Days Never Arrived

26 Dec 2025Navya
Delhi Engulfed in Fog and Toxic Air: Dense Fog Reduces Visibility as AQI Remains Severe, IMD Issues Yellow Alert

Delhi Engulfed in Fog and Toxic Air: Dense Fog Reduces Visibility as AQI Remains Severe, IMD Issues Yellow Alert

19 Dec 2025Navya
GRAP Stage 4 Enforced in Delhi as AQI Touches 600+: Smog and Weather Worsen Air Quality

GRAP Stage 4 Enforced in Delhi as AQI Touches 600+: Smog and Weather Worsen Air Quality

16 Dec 2025Navya
Sudden Smog Rise Across Delhi NCR Linked to Low Wind and Temperature Inversion

Sudden Smog Rise Across Delhi NCR Linked to Low Wind and Temperature Inversion

13 Dec 2025Anwesha
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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