Berkeley Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in Berkeley
Last Updated: 2026-07-28 04:11:01 (Local Time)

16 °C
CloudyBerkeley
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Historical Air Quality Data
Berkeley
AQI (US) Trends - Annual Air Quality Changes
Berkeley, California, United States
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Real-time Air Pollution Level
United States's Metro Cities
Air Quality Index
Air Quality Calendar 2026
Berkeley
Health Advice For People Living In
Berkeley
0Cigarettes per day
Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.
Source:
Berkeley Earth
Solutions for Current AQI (US)
Prevent Health Problems: Understand Your Risks
Berkeley
Most Polluted Cities 2026
United States
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Casa Grande, Arizona
Unhealthy
2xabove Standard
2.
Twin Falls, Idaho
Unhealthy
5xabove Standard
3.
Nampa, Idaho
Unhealthy
4xabove Standard
4.
Boise, Idaho
Unhealthy
4xabove Standard
5.
Meridian, Idaho
Unhealthy
4xabove Standard
6.
Marana, Arizona
Poor
3xbelow Standard
7.
Garden City, Idaho
Poor
4xabove Standard
8.
Lewistown, Montana
Poor
3xabove Standard
9.
Helena Valley West Central, Montana
Poor
2xabove Standard
10.
Maricopa, Arizona
Poor
2xabove Standard
Last Updated: 28 Jul 2026, 11:18 AM
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at Berkeley
Frequently Asked Questions About Air Quality
1. What is the current AQI (US) level in Berkeley?
1. What is the current AQI (US) level in Berkeley?
The current real-time AQI (US) level in Berkeley is 42 (Good). This was last updated 2026-07-28 04:11:01 (Local Time).
2. When was the best AQI (US) level in Berkeley in the last 24 hours?
2. When was the best AQI (US) level in Berkeley in the last 24 hours?
The best AQI (US) level was 20 (Good) at 6:01 AM, Jul 27, 2026 (Local Time) during the last 24 hours.
3. When was the worst AQI (US) level in Berkeley in the last 24 hours?
3. When was the worst AQI (US) level in Berkeley in the last 24 hours?
The worst AQI (US) level was 67 (Moderate) at 7:31 AM, Jul 27, 2026 (Local Time) during the last 24 hours.
4. What is the current trend of AQI (US) levels in Berkeley during last 24 hours?
4. What is the current trend of AQI (US) levels in Berkeley during last 24 hours?
The AQI (US) levels in Berkeley have been fluctuating throughout the last 24 hours. The levels have increased by highest 67 at 7:31 AM, Jul 27, 2026 (Local Time), lowest 20 at 6:01 AM, Jul 27, 2026 (Local Time).
5. What actions are recommended as per the current AQI (US) level in Berkeley?
5. What actions are recommended as per the current AQI (US) level in Berkeley?
The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.
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