AQI

United States Air Quality Index & Realtime Air Pollution

Live AQI
48(AQI-US)
Air Quality is
Good
PM2.5 :4.7µg/m³
PM10 :5µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Good air quality mascot

Primary Air Pollutants United States

PM2.55µg/m³
PM2.5
Fine particles
PM105µg/m³
PM10
Coarse particles
SO₂0µg/m³
SO₂
Sulphur dioxide
CO122µg/m³
CO
Carbon monoxide
NO₂4µg/m³
NO₂
Nitrogen dioxide
O₃79µg/m³
O₃
Ozone

Hourly forecast United States

Now19°
Moderate rain
22:0019°
Moderate drizzle
23:0019°
Heavy rain
00:0019°
Heavy rain
01:0018°
Moderate rain
02:0018°
Moderate rain
03:0018°
Overcast
04:0018°
Overcast
05:0018°
Light drizzle
06:0017°
Light drizzle
07:0018°
Overcast
08:0018°
Slight rain
09:0018°
Heavy rain
10:0018°
Slight rain
11:0019°
Overcast
12:0020°
Light drizzle
13:0020°
Partly cloudy
14:0021°
Clear sky
15:0021°
Partly cloudy
16:0022°
Overcast
17:0024°
Partly cloudy
18:0023°
Clear sky
19:0023°
Clear sky
20:0023°
Thunderstorm

Health Recommendations for United States Residents

Based on current air quality: Good · AQI 48

Good
Air Purifier
Air PurifierTurn Off
Car Filter
Car FilterAdvisable
N95 Mask
N95 MaskAdvisable
Stay Indoor
Stay IndoorAdvisable

UV Index

0

Low

Safe to be outside. Minimal UV risk.

Wind

11.3 km/h

Light breeze — leaves rustling gently.

AQI Graph

Historical AQI Data United States

31
Min. AQIat 9:00 AM on 3rd Jun
49
Max. AQIat 7:00 PM on 3rd Jun
03-06-2026Time04-06-2026

United States Major Cities AQI Overview

Health Advice For People Living in United States

0.2
Cigarettes
per day
Weekly1.4 Cigarettes
Monthly6 Cigarettes

Breathing the air in this location is equivalent to smoking 0.2 cigarettes a day.

Disclaimer: This cigarette-equivalent estimate is calculated using the average PM2.5 concentration from the past 24 hours, assuming constant exposure throughout that period.
Solutions for United States Current AQI (US)
Air Purifier
Air PurifierTurn Off
Car Filter
Car FilterAdvisable
N95 Mask
N95 MaskAdvisable
Stay Indoor
Stay IndoorAdvisable
Must turn on the air purifier to enjoy fresh air.Get an Air Purifier →

Prevent Health Problems: Understand Your Risks

United States · Current air quality: Good · AQI 48

Low Trigger Risk

Headaches

Risk of Headaches symptoms is Low when AQI of United States is Good (0-50).

Common signs

Look for these signs: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.

Do’s :
  • Favor indoor, filtered indoor air when the AQI is worse.
  • Hydrate and take breaks from screens or bright light if you are migraine-prone.
  • If you Try prescribed migraine meds, Have them accessible.
Don’ts :
  • Do not do intense outdoor exercise during elevated AQI periods.
  • Avoid ignore worsening effects that feel unusual for you.

Disclaimer: The health risks mentioned above are precautionary recommendations based on current AQI levels. While you may not experience immediate effects, prolonged exposure to air pollution can lead to these health issues over time. This is not medical advice. Please consult a clinician if you experience severe, unusual, or worsening symptoms.

Air Quality FAQs at United States

The current real-time AQI (US) level in United States is 48 (Good). This was last updated recently.

The best AQI (US) level was generally lower during the early afternoon in the last 24 hours.

The worst AQI (US) level typically peaks during early morning or late evening hours due to temperature inversion.

The AQI (US) levels in United States have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.

Current AQI (US) levels are good for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.