Mercer Island Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in Mercer Island
Last Updated: 2026-08-16 20:01 (Local Time)
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Mercer Island
AQI (US) Trends - Annual Air Quality Changes
Mercer Island, Washington, United States
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Mercer Island
Health Advice For People Living In
Mercer Island
0Cigarettes per day
Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.
Source:
Berkeley Earth
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Mercer Island
Asthma
Heart Issues
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Most Polluted Cities 2026
United States
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
El Cajon, California
Poor
4xabove Standard
2.
Alpine, California
Moderate
2xabove Standard
3.
San Diego, California
Moderate
2xabove Standard
4.
Omak, Washington
Moderate
2xabove Standard
5.
Miami, Florida
Moderate
2xabove Standard
6.
Quincy, Washington
Moderate
2xabove Standard
7.
Chula Vista, California
Moderate
2xabove Standard
8.
Wenatchee, Washington
Moderate
2xabove Standard
9.
Tukwila, Washington
Moderate
2xabove Standard
10.
Chelan, Washington
Moderate
2xabove Standard
Last Updated: 17 Aug 2026, 03:05 AM
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Frequently Asked Questions About Air Quality
1. What is the current AQI (US) level in Mercer Island?
1. What is the current AQI (US) level in Mercer Island?
The current real-time AQI (US) level in Mercer Island is 73 (Moderate). This was last updated 2026-08-16 20:01 (Local Time).
2. When was the best AQI (US) level in Mercer Island in the last 24 hours?
2. When was the best AQI (US) level in Mercer Island in the last 24 hours?
The best AQI (US) level was 21 (Good) at 1:31 AM, Aug 16, 2026 (Local Time) during the last 24 hours.
3. When was the worst AQI (US) level in Mercer Island in the last 24 hours?
3. When was the worst AQI (US) level in Mercer Island in the last 24 hours?
The worst AQI (US) level was 88 (Moderate) at 6:31 AM, Aug 16, 2026 (Local Time) during the last 24 hours.
4. What is the current trend of AQI (US) levels in Mercer Island during last 24 hours?
4. What is the current trend of AQI (US) levels in Mercer Island during last 24 hours?
The AQI (US) levels in Mercer Island have been fluctuating throughout the last 24 hours. The levels have increased by highest 88 at 6:31 AM, Aug 16, 2026 (Local Time), lowest 21 at 1:31 AM, Aug 16, 2026 (Local Time).
5. What actions are recommended as per the current AQI (US) level in Mercer Island?
5. What actions are recommended as per the current AQI (US) level in Mercer Island?
Current AQI (US) levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.
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