United States Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in United States
Last Updated: 2 minutes ago (Local Time)
23 °C
Partly cloudy
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Most Polluted Cities 2025
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Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Waukesha, United States
2.
Miami, United States
3.
Longview, United States
4.
Monroe, United States
5.
Chanute, United States
6.
Glendora, United States
7.
Mcalester, United States
8.
Jurupa Valley, United States
9.
Peck, United States
10.
Jasper, United States
Last Updated: 16 Sept 2025, 08:49 AM
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Air Quality FAQs
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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 39 (Good) due to recent rainfall by 0.06mm/hr. This was last updated 2 minutes ago (Local Time).
When was the best AQI level in United States in the last 24 hours?
The best AQI level was 37 (Good) at 8:09 AM, Sep 15, 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 48 (Good) at 9:09 AM, Sep 15, 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 have been fluctuating throughout the last 24 hours. The levels have increased by highest 48 at 9:09 AM, Sep 15, 2025 (Local Time), lowest 37 at 8:09 AM, Sep 15, 2025 (Local Time).
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
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