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Vallejo Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-08-13 06:55:26 AM (Local Time)

location image
Live AQI
31(AQI-US)
Air Quality is
Good
pm10 :  10 µg/m³
PM2.5 :  6 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level.webp in Vallejo
overcast

14 °C

Overcast
Humidity
Humidity93 %
Wind Speed
Wind Speed12 km/h
UV Index
UV Index0
Last Updated: 2025-08-13 06:55:26 AM (Local Time)
Map

Vallejo

Major Air Pollutants

Vallejo

PM2.5's Icon

Particulate Matter(PM2.5)

6µg/m³

PM10's Icon

Particulate Matter(PM10)

10µg/m³

CO's Icon

Carbon Monoxide(CO)

1ppb

SO2's Icon

Sulfur Dioxide(SO2)

0ppb

NO2's Icon

Nitrogen Dioxide(NO2)

2ppb

O3's Icon

Ozone(O3)

23ppb

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AQI Graph

Historical Air Quality Data

Vallejo

24 Hours
AQI
Vallejo
AQI
.
12-08-2025Time13-08-2025
23
Min.at 10:09 AM on 12th Aug
40
Max.at 4:09 PM on 12th Aug

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Vallejo, California, United States

AQI
Year
.
AQI

Annual AQI Trends

2020
45AQI
2021
37AQI
-18%
Fall
2022
34AQI
-8%
Fall
2023
22AQI
-35%
Fall
2024
30AQI
36%
Rise
2025
32AQI
7%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
-4%
Fall (Improved AQI)

Most & Least Polluted Months

Most PollutedSeptember, 202071AQI
Least PollutedJuly, 202316AQI

* This data analysis is from year 2020 - 2025

Vallejo's Locations

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Good
31
6
10
22
49
Good
31
6
10
22
49

United States's Metro Cities

Air Quality Index

Chicago City AQI

Chicago

39

temp.22°C
hum.90%
Los Angeles City AQI

Los Angeles

54

temp.20°C
hum.81%
Minneapolis City AQI

Minneapolis

57

temp.19°C
hum.78%
Nashville City AQI

Nashville

20

temp.23°C
hum.87%
New Orleans City AQI

New Orleans

22

temp.26°C
hum.97%
New York City City AQI

New York City

38

temp.25°C
hum.77%
San Francisco City AQI

San Francisco

19

temp.16°C
hum.87%
Washington City AQI

Washington

30

temp.23°C
hum.97%

Air Quality Calendar 2025

Vallejo

2025
AQI
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jan
88
2 Jan
43
3 Jan
41
4 Jan
35
5 Jan
40
6 Jan
40
7 Jan
30
8 Jan
27
9 Jan
42
10 Jan
50
11 Jan
33
12 Jan
27
13 Jan
33
14 Jan
37
15 Jan
49
16 Jan
51
17 Jan
46
18 Jan
43
19 Jan
53
20 Jan
33
21 Jan
45
22 Jan
53
23 Jan
45
24 Jan
61
25 Jan
45
26 Jan
38
27 Jan
40
28 Jan
42
29 Jan
34
30 Jan
37
31 Jan
37
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Feb
40
2 Feb
24
3 Feb
24
4 Feb
24
5 Feb
28
6 Feb
26
7 Feb
28
8 Feb
27
9 Feb
34
10 Feb
32
11 Feb
34
12 Feb
26
13 Feb
28
14 Feb
30
15 Feb
27
16 Feb
26
17 Feb
22
18 Feb
24
19 Feb
25
20 Feb
28
21 Feb
30
22 Feb
30
23 Feb
22
24 Feb
21
25 Feb
22
26 Feb
30
27 Feb
36
28 Feb
43
March
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Mar
31
2 Mar
29
3 Mar
26
4 Mar
25
5 Mar
27
6 Mar
30
7 Mar
33
8 Mar
34
9 Mar
44
10 Mar
28
11 Mar
32
12 Mar
30
13 Mar
21
14 Mar
19
15 Mar
49
16 Mar
34
17 Mar
16
18 Mar
19
19 Mar
22
20 Mar
16
21 Mar
21
22 Mar
20
23 Mar
23
24 Mar
21
25 Mar
27
26 Mar
23
27 Mar
22
28 Mar
25
29 Mar
23
30 Mar
25
31 Mar
31
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Apr
26
2 Apr
23
3 Apr
24
4 Apr
30
5 Apr
32
6 Apr
30
7 Apr
26
8 Apr
27
9 Apr
30
10 Apr
22
11 Apr
21
12 Apr
30
13 Apr
36
14 Apr
38
15 Apr
46
16 Apr
46
17 Apr
39
18 Apr
33
19 Apr
39
20 Apr
34
21 Apr
44
22 Apr
44
23 Apr
52
24 Apr
40
25 Apr
24
26 Apr
21
27 Apr
29
28 Apr
37
29 Apr
44
30 Apr
44
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 May
47
2 May
35
3 May
26
4 May
30
5 May
30
6 May
45
7 May
49
8 May
33
9 May
38
10 May
32
11 May
29
12 May
24
13 May
20
14 May
35
15 May
44
16 May
48
17 May
30
18 May
28
19 May
27
20 May
25
21 May
42
22 May
36
23 May
30
24 May
37
25 May
25
26 May
19
27 May
30
28 May
25
29 May
20
30 May
31
31 May
49
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jun
53
2 Jun
53
3 Jun
51
4 Jun
55
5 Jun
42
6 Jun
20
7 Jun
25
8 Jun
18
9 Jun
22
10 Jun
24
11 Jun
42
12 Jun
50
13 Jun
51
14 Jun
49
15 Jun
51
16 Jun
44
17 Jun
38
18 Jun
34
19 Jun
46
20 Jun
42
21 Jun
37
22 Jun
34
23 Jun
40
24 Jun
31
25 Jun
26
26 Jun
31
27 Jun
37
28 Jun
37
29 Jun
31
30 Jun
23
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jul
27
2 Jul
23
3 Jul
41
4 Jul
37
5 Jul
37
6 Jul
35
7 Jul
25
8 Jul
22
9 Jul
18
10 Jul
26
11 Jul
35
12 Jul
37
13 Jul
30
14 Jul
21
15 Jul
20
16 Jul
22
17 Jul
19
18 Jul
20
19 Jul
20
20 Jul
25
21 Jul
28
22 Jul
17
23 Jul
16
24 Jul
15
25 Jul
16
26 Jul
17
27 Jul
18
28 Jul
22
29 Jul
30
30 Jul
27
31 Jul
26
August
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Aug
26
2 Aug
25
3 Aug
39
4 Aug
38
5 Aug
36
6 Aug
37
7 Aug
34
8 Aug
41
9 Aug
37
10 Aug
30
11 Aug
27
12 Aug
26
13 Aug
-
14 Aug
-
15 Aug
-
16 Aug
-
17 Aug
-
18 Aug
-
19 Aug
-
20 Aug
-
21 Aug
-
22 Aug
-
23 Aug
-
24 Aug
-
25 Aug
-
26 Aug
-
27 Aug
-
28 Aug
-
29 Aug
-
30 Aug
-
31 Aug
-
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Health Advice For People Living In

Vallejo

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

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

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

Vallejo

  • asthma due to air pollution in VallejoAsthma
  • heart due to air pollution in VallejoHeart Issues
  • allergy due to air pollution in VallejoAllergies
  • sinus due to air pollution in VallejoSinus
  • flu due to air pollution in VallejoCold/Flu
  • copd due to air pollution in VallejoChronic (COPD)
asthma due to air pollution in Vallejo

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.

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2025

United States

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

Most Polluted Cities Live Ranking 2025
World's Most PollutedCity Rankings (2024)
World's Most PollutedCountry Rankings(2024)
RankCityAQIAQI Status

Standard Value

Follow

1.

Ryder, United States

90
Moderate
6xabove Standard

2.

Minot, United States

90
Moderate
6xabove Standard

3.

Virginia, United States

79
Moderate
5xabove Standard

4.

Estes Park, United States

66
Moderate
4xabove Standard

5.

Aspen, United States

66
Moderate
4xabove Standard

6.

Cloquet, United States

66
Moderate
4xabove Standard

7.

Silverthorne, United States

66
Moderate
4xabove Standard

8.

Black Hawk, United States

65
Moderate
4xabove Standard

9.

Brainerd, United States

65
Moderate
4xabove Standard

10.

Red Lake, United States

65
Moderate
4xabove Standard

Last Updated: 13 Aug 2025, 11:59 AM

AQI City Rankings

Air Quality Solutions For Vallejo

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
air quality solutions for offices for Vallejo

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.

air quality solutions for smart-city for Vallejo

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.

air quality solutions for institutes for Vallejo

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.

air quality solutions for hotels for Vallejo

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.

air quality solutions for restaurants for Vallejo

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.

air quality solutions for rmc-plants for Vallejo

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.

air quality solutions for fitness-center for Vallejo

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

air quality solutions for parking-lot for Vallejo

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.

air quality solutions for retail-stores for Vallejo

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Vallejo

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.

air quality solutions for construction-sites for Vallejo

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.

air quality solutions for hospitals for Vallejo

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Vallejo

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.

air quality solutions for banks for Vallejo

Air Quality Solutions for Banks

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

air quality solutions for cinema for Vallejo

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.

air quality solutions for real-estates for Vallejo

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.

Vallejo'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 Vallejo
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.

Air Quality FAQs

at Vallejo

Frequently Asked Questions About Air Quality

What is the current AQI level in Vallejo?

The current real-time AQI level in Vallejo is 31 (Good). This was last updated 2025-08-13 06:55:26 AM (Local Time).

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

The best AQI level was 23 (Good) at 10:09 AM, Aug 12, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in Vallejo in the last 24 hours?

The worst AQI level was 40 (Good) at 4:09 PM, Aug 12, 2025 (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Vallejo during last 24 hours?

The AQI levels in Vallejo have been fluctuating throughout the last 24 hours. The levels have increased by highest 40 at 4:09 PM, Aug 12, 2025 (Local Time), lowest 23 at 10:09 AM, Aug 12, 2025 (Local Time).

What actions are recommended as per the current AQI level in Vallejo?

The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.

Recent AQI Blogs

Read the latest news

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

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Prana Sense

Air Quality Monitor

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

Prana Sense Air Quality MonitorPrana Sense Air Quality Monitor
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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.

Pocket PM Air Quality MonitorPocket PM Air Quality Monitor
Prana Air Logo

Cair +

Indoor Air Quality Monitor

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

Cair + Indoor Air Quality MonitorCair + Indoor Air Quality Monitor