Smog in United States Today — Live Data: City AQI, PM2.5 & PM10, Weather Warnings and Forecast

6 weather warnings in effect for United States 🔥 Wildfire risk💧 Flooding🌡️ Extreme heat⚠️ Other hazard🌫️ Fog💨 Strong wind

Locations

New York City

20 PM2.5 µg/m³

Moderate

PM10 21 NO₂ 37 O₃ 79

Los Angeles

30 PM2.5 µg/m³

Moderate

PM10 35 NO₂ 21 O₃ 120

Chicago

9.8 PM2.5 µg/m³

Good

PM10 10 NO₂ 19 O₃ 69

Houston

15 PM2.5 µg/m³

Moderate

PM10 20 NO₂ 8.7 O₃ 85

Philadelphia

12 PM2.5 µg/m³

Good

PM10 13 NO₂ 19 O₃ 90

Phoenix

6.6 PM2.5 µg/m³

Good

PM10 14 NO₂ 5 O₃ 120

Bronx

20 PM2.5 µg/m³

Moderate

PM10 21 NO₂ 37 O₃ 79

San Antonio

12 PM2.5 µg/m³

Good

PM10 17 NO₂ 9.5 O₃ 98

Dallas

10 PM2.5 µg/m³

Good

PM10 11 NO₂ 14 O₃ 110

San Jose

7.5 PM2.5 µg/m³

Good

PM10 10 NO₂ 4.1 O₃ 82

Indianapolis

8.4 PM2.5 µg/m³

Good

PM10 8.8 NO₂ 21 O₃ 64

Jacksonville

8.4 PM2.5 µg/m³

Good

PM10 11 NO₂ 6.4 O₃ 100

San Francisco

6.9 PM2.5 µg/m³

Good

PM10 10 NO₂ 8.9 O₃ 38

Austin

10 PM2.5 µg/m³

Good

PM10 13 NO₂ 9.3 O₃ 110

Columbus

5.1 PM2.5 µg/m³

Good

PM10 5.2 NO₂ 11 O₃ 75

Fort Worth

8.8 PM2.5 µg/m³

Good

PM10 9.6 NO₂ 9.4 O₃ 99

Charlotte

14 PM2.5 µg/m³

Moderate

PM10 15 NO₂ 19 O₃ 76

Detroit

8.5 PM2.5 µg/m³

Good

PM10 8.6 NO₂ 17 O₃ 85

Memphis

14 PM2.5 µg/m³

Moderate

PM10 15 NO₂ 12 O₃ 100

Baltimore

6.1 PM2.5 µg/m³

Good

PM10 6.1 NO₂ 16 O₃ 91

Current data Wednesday, August 26, 2026 at 9:00 PM

PM2,5 12 (Good)

PM10 14 (Good)

O3 88 (Moderate)

NO2 15 (Good)

SO2 2 (Good)

CO 177 (Good)

index	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20	2026-08-19
PM2,5	11 Good	11 Good	10 Good	10 Good	13 Moderate	12 Good	11 Good	12 Good
PM10	13 Good	13 Good	14 Good	13 Good	17 Good	16 Good	15 Good	16 Good
O3	76 Moderate	69 Good	71 Moderate	71 Moderate	74 Moderate	74 Moderate	75 Moderate	74 Moderate
NO2	15 Good	14 Good	12 Good	10 Good	13 Good	12 Good	12 Good	14 Good
SO2	2 Good	2 Good	2 Good	2 Good	2 Good	2 Good	2 Good	2 Good
CO	172 Good	166 Good	154 Good	145 Good	165 Good	170 Good	170 Good	181 Good

data source »

pollution pm25 hikersbay.com — Air pollution in United States from October 2015 to May 2020

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03	2016-02	2016-01	2015-12	2015-11	2015-10
	4.5 Good	5.1 Good	5.6 Good	5.9 Good	5.9 Good	7 Good	7.2 Good	5.4 Good	5.8 Good	6.4 Good	6.9 Good	5.7 Good	5.4 Good	5.1 Good	6.5 Good	6.5 Good	6.6 Good	6.6 Good	6.3 Good	5.6 Good	5.7 Good	11 Good	7.9 Good	6.3 Good	6.3 Good	5.6 Good	5.3 Good	6.1 Good	7.3 Good	7.7 Good	7.2 Good	6.1 Good	8.3 Good	8.3 Good	7.5 Good	6.3 Good	5.8 Good	5.5 Good	6.2 Good	6.8 Good	6.9 Good	6.6 Good	7.3 Good	6.2 Good	6.2 Good	6.8 Good	7 Good	6.6 Good	6 Good	6.2 Good	6.1 Good	11 Good	13 Good	10 Good	11 Good	11 Good
PM10	15 Good	14 Good	12 Good	13 Good	12 Good	12 Good	16 Good	16 Good	17 Good	17 Good	19 Good	17 Good	15 Good	14 Good	13 Good	11 Good	12 Good	12 Good	14 Good	14 Good	18 Good	25 Moderate	21 Moderate	19 Good	17 Good	15 Good	12 Good	13 Good	14 Good	16 Good	16 Good	18 Good	22 Moderate	20 Good	22 Moderate	19 Good	17 Good	14 Good	15 Good	14 Good	12 Good	13 Good	17 Good	16 Good	17 Good	19 Good	19 Good	18 Good	15 Good	16 Good	16 Good	21 Moderate	19 Good	21 Moderate	17 Good	13 Good

data source »

Quality of life in United States

Green and Parks in the City

United States 70%

Canada: 77% Venezuela: 41% Belize: 52% Cuba: 53%

Pleasure of spending time in the city

United States 75%

Canada: 79% The Bahamas: 53% Venezuela: 41% Belize: 60% Cuba: 44%

Air Pollution

United States 29%

Canada: 24% The Bahamas: 52% Venezuela: 59% Belize: 43% Cuba: 62%

Garbage Disposal

United States 71%

Canada: 74% The Bahamas: 29% Venezuela: 18% Belize: 30% Cuba: 30%

Availability and quality of drinking water

United States 71%

Canada: 82% The Bahamas: 55% Venezuela: 28% Belize: 62% Cuba: 44%

Cleanliness and tidiness

United States 60%

Canada: 66% The Bahamas: 35% Venezuela: 22% Belize: 38% Cuba: 35%

Noise and Light pollution

United States 47%

Canada: 42% The Bahamas: 39% Venezuela: 47% Belize: 45% Cuba: 47%

Water Pollution

United States 44%

Canada: 35% The Bahamas: 58% Venezuela: 76% Belize: 64% Cuba: 61%

Source: Numbeo

* Pollution data source: https://openaq.org (AirNow, Texas) The data is licensed under CC-By 4.0

Frequently asked questions

Is the air safe to breathe in United States today?

The current average PM2.5 across United States is about 12 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in United States?

Right now PM2.5 in United States averages about 12 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which cities in United States have the best and worst air quality now?

Los Angeles currently has the highest PM2.5 (30 µg/m³), while Columbus has the cleanest air (5 µg/m³).

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.

☀️ UV Index · 16-day Forecast — United States

The UV index in United States today is 7.3 (high) — unprotected fair skin can burn in about 25 minutes.

🌦️ Weather · 16-day Forecast — United States

16-day weather forecast for United States: today around 30°C (rain), lows near 19°C. Daily temperature and conditions, updated every day.