Winthrop Harbor Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in Winthrop Harbor
Last Updated: 2026-08-01 13:21:01 (Local Time)
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Winthrop Harbor
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Winthrop Harbor, Illinois, United States
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Winthrop Harbor
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0Cigarettes per day
Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.
Source:
Berkeley Earth
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Winthrop Harbor
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Most Polluted Cities 2026
United States
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Great Falls, Montana
Poor
3xabove Standard
2.
Lincoln, Nebraska
Poor
3xabove Standard
3.
Nampa, Idaho
Moderate
2xabove Standard
4.
Havre, Montana
Moderate
2xabove Standard
5.
Pendleton, Oregon
Moderate
2xabove Standard
6.
Madras, Oregon
Moderate
2xabove Standard
7.
Kennewick, Washington
Moderate
1xbelow Standard
8.
Kamiah, Idaho
Moderate
2xabove Standard
9.
Baker City, Oregon
Moderate
2xabove Standard
10.
Bellingham, Washington
Moderate
2xabove Standard
Last Updated: 01 Aug 2026, 06:28 PM
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Frequently Asked Questions About Air Quality
1. What is the current AQI (US) level in Winthrop Harbor?
1. What is the current AQI (US) level in Winthrop Harbor?
The current real-time AQI (US) level in Winthrop Harbor is 46 (Good). This was last updated 2026-08-01 13:21:01 (Local Time).
2. When was the best AQI (US) level in Winthrop Harbor in the last 24 hours?
2. When was the best AQI (US) level in Winthrop Harbor in the last 24 hours?
The best AQI (US) level was 21 (Good) at 4:31 AM (Local Time) during the last 24 hours.
3. When was the worst AQI (US) level in Winthrop Harbor in the last 24 hours?
3. When was the worst AQI (US) level in Winthrop Harbor in the last 24 hours?
The worst AQI (US) level was 46 (Good) at 10:01 PM, Jul 31, 2026 (Local Time) during the last 24 hours.
4. What is the current trend of AQI (US) levels in Winthrop Harbor during last 24 hours?
4. What is the current trend of AQI (US) levels in Winthrop Harbor during last 24 hours?
The AQI (US) levels in Winthrop Harbor have been fluctuating throughout the last 24 hours. The levels have increased by highest 46 at 10:01 PM, Jul 31, 2026 (Local Time), lowest 21 at 4:31 AM (Local Time).
5. What actions are recommended as per the current AQI (US) level in Winthrop Harbor?
5. What actions are recommended as per the current AQI (US) level in Winthrop Harbor?
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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