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United States Air Quality Index (AQI) | Air Pollution

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

Last Updated: 13 minutes ago (Local Time)

location image
Live AQI
37(AQI-US)
Air Quality is
Good
pm10 :  19 µg/m³
PM2.5 :  7 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi good level.webp in United States
partly cloudy

31 °C

Partly cloudy
Humidity
Humidity71 %
Wind Speed
Wind Speed22 km/h
UV Index
UV Index1
Last Updated: 13 minutes ago (Local Time)
Map

United States

Major Air Pollutants

United States

PM2.5's Icon

Particulate Matter(PM2.5)

7µg/m³

PM10's Icon

Particulate Matter(PM10)

19µg/m³

CO's Icon

Carbon Monoxide(CO)

3ppb

SO2's Icon

Sulfur Dioxide(SO2)

0ppb

NO2's Icon

Nitrogen Dioxide(NO2)

9ppb

O3's Icon

Ozone(O3)

26ppb

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AQI Graph

Historical Air Quality Data

United States

24 Hours
AQI
United States
AQI
.
28-08-2025Time29-08-2025
36
Min.at 2:40 AM on 28th Aug
39
Max.at 11:10 AM on 28th Aug

Want air quality data?

Download 2024 Annual Data

World Air Quality Report

Globe

United States's States

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Good
43
8
16
17
83
Good
27
5
16
14
89
Good
33
6
20
17
73
Good
33
6
15
17
79
Good
40
8
27
17
80
Good
32
6
14
15
68
Good
28
5
13
18
82
Good
29
6
12
18
84
Good
45
9
19
16
73
Good
31
5
15
32
55
Good
46
9
17
17
82
Good
24
4
18
12
69
Good
50
10
21
15
73
Good
33
6
16
18
79
Good
34
6
19
18
80
Good
38
7
16
18
79
Good
32
6
18
17
74
Good
41
7
21
18
80
Moderate
51
10
18
17
78
Good
24
4
10
19
81
Good
34
6
13
18
81
Good
25
4
12
19
82
Good
20
3
10
18
79
Good
34
6
16
18
80
Good
46
8
16
17
81
Good
44
8
25
18
80
Good
36
7
19
14
77
Good
43
8
25
18
79
Good
29
5
16
16
66
Good
21
4
10
19
79
Good
29
5
13
18
84
Good
40
8
21
15
67
Good
25
5
12
19
81
Good
44
8
16
17
80
Good
47
8
27
16
73
Good
34
6
20
18
79
Good
23
4
12
17
82
Good
37
7
26
17
79
Good
30
5
15
18
78
Good
24
4
12
18
84
Good
48
9
17
17
83
Good
38
7
23
16
77
Good
34
6
16
17
79
Good
41
8
18
17
78
Good
49
10
18
13
77
Good
21
4
9
18
80
Good
33
6
14
18
79
Moderate
51
10
28
17
81
Good
33
6
19
18
76
Good
26
5
13
18
78
Good
30
6
13
16
67

United States's Metro Cities

Air Quality Index

Chicago City AQI

Chicago

21

temp.17°C
hum.60%
Los Angeles City AQI

Los Angeles

51

temp.22°C
hum.79%
Minneapolis City AQI

Minneapolis

43

temp.19°C
hum.73%
Nashville City AQI

Nashville

43

temp.17°C
hum.75%
New Orleans City AQI

New Orleans

55

temp.27°C
hum.85%
New York City City AQI

New York City

28

temp.20°C
hum.63%
San Francisco City AQI

San Francisco

22

temp.17°C
hum.80%
Washington City AQI

Washington

34

temp.20°C
hum.63%

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.

Lee Vining, United States

83
Moderate
6xabove Standard

2.

Grand Canyon Village, United States

71
Moderate
5xabove Standard

3.

Prescott, United States

69
Moderate
5xabove Standard

4.

Mammoth Lakes, United States

68
Moderate
5xabove Standard

5.

Flagstaff, United States

68
Moderate
5xabove Standard

6.

Glasgow, United States

66
Moderate
4xabove Standard

7.

Baker, United States

66
Moderate
4xabove Standard

8.

Nageezi, United States

66
Moderate
4xabove Standard

9.

Navajo Dam, United States

65
Moderate
4xabove Standard

10.

Incline Village, United States

65
Moderate
4xabove Standard

Last Updated: 29 Aug 2025, 07:39 AM

AQI City Rankings

Air Quality Solutions For United States

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 United States

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 United States

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 United States

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 United States

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 United States

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 United States

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 United States

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 United States

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 United States

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 United States

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 United States

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 United States

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 United States

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 United States

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 United States

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 United States

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.

United States'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 United States
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 United States

Frequently Asked Questions About Air Quality

What is the current AQI level in United States?

The current real-time AQI level in United States is 37 (Good) due to recent rainfall by 0.11mm/hr. This was last updated 13 minutes ago (Local Time).

When was the best AQI level in United States in the last 24 hours?

The best AQI level was 36 (Good) at 2:40 AM, Aug 28, 2025 (Local Time) during the last 24 hours.

When was the worst AQI level in United States in the last 24 hours?

The worst AQI level was 39 (Good) at 11:10 AM, Aug 28, 2025 (Local Time) during the last 24 hours.

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

The AQI levels in United States remained stable over the last 24 hours as around 36.08 .

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

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.

Over 2 lakh residents reported air pollution hospitalisations in Delhi from 2022 to 2024. 

Over 2 lakh residents reported air pollution hospitalisations in Delhi from 2022 to 2024. 

21 Aug 2025Shakshi
Abu Dhabi in the Top 10 Most Polluted Cities in the World: Middle East Air Quality Crisis 2025

Abu Dhabi in the Top 10 Most Polluted Cities in the World: Middle East Air Quality Crisis 2025

19 Aug 2025Shakshi
Europe heatwave and wildfires 2025: What is happening across Spain, Portugal and neighbouring countries?

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13 Aug 2025Shakshi
How Air Pollution Damages Your Long-Term Financial Health?

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12 Aug 2025Shakshi
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Biggest Wildfire in France’s History?What It Means for Air Quality, Health, and Climate

7 Aug 2025Shakshi
DU Cut-Off 2025: How’s the Air Near Your Dream College?

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6 Aug 2025Shakshi
Why You Should Add a Real-Time Weather and AQI Widget to Your Website?

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1 Aug 2025Shakshi
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31 Jul 2025Shakshi
New Delhi Annual Air Quality: Comparative Analysis of AQI (2020–2025)

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26 Jul 2025Gyane Haobijam
Free Air Quality Monitor from AQI.in: How Anyone Can Track Pollution?

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26 Jul 2025Shakshi
Prana Air Logo

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
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.

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