Cincinnati Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in Cincinnati
Last Updated: 2026-07-20 00:31 (Local Time)

20 °C
MistCurrently, Cincinnati ranks 119th among the most polluted cities globally.
Cincinnati
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Historical Air Quality Data
Cincinnati
AQI (US) Trends - Annual Air Quality Changes
Cincinnati, Ohio, United States
Cincinnati's Locations
Real-time Air Pollution Level
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Air Quality Index
Air Quality Calendar 2026
Cincinnati
Health Advice For People Living In
Cincinnati
1.3Cigarettes per day
Breathing the air in this location is as harmful as smoking 1.3 cigarettes a day.
Source:
Berkeley Earth
Solutions for Current AQI (US)
Prevent Health Problems: Understand Your Risks
Cincinnati
Most Polluted Cities 2026
United States
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Rhinelander, Wisconsin
Unhealthy
5xabove Standard
2.
Colville, Washington
Unhealthy
5xabove Standard
3.
Rochester, Minnesota
Unhealthy
5xabove Standard
4.
Holland, Michigan
Unhealthy
5xabove Standard
5.
Grand Rapids, Michigan
Unhealthy
4xabove Standard
6.
Nampa, Idaho
Unhealthy
4xabove Standard
7.
Green Bay, Wisconsin
Unhealthy
4xabove Standard
8.
Rock Island, Illinois
Unhealthy
4xabove Standard
9.
Appleton, Wisconsin
Unhealthy
4xabove Standard
10.
Waterloo, Iowa
Unhealthy
4xabove Standard
Last Updated: 20 Jul 2026, 04:33 AM
AQI City RankingsAir Quality Solutions For Cincinnati
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at Cincinnati
Frequently Asked Questions About Air Quality
1. What is the current AQI (US) level in Cincinnati?
1. What is the current AQI (US) level in Cincinnati?
The current real-time AQI (US) level in Cincinnati is 109 (Poor). This was last updated 2026-07-20 00:31 (Local Time).
2. When was the best AQI (US) level in Cincinnati in the last 24 hours?
2. When was the best AQI (US) level in Cincinnati in the last 24 hours?
The best AQI (US) level was 31 (Good) at 5:31 AM, Jul 19, 2026 (Local Time) during the last 24 hours.
3. When was the worst AQI (US) level in Cincinnati in the last 24 hours?
3. When was the worst AQI (US) level in Cincinnati in the last 24 hours?
The worst AQI (US) level was 138 (Poor) at 3:31 PM, Jul 19, 2026 (Local Time) during the last 24 hours.
4. What is the current trend of AQI (US) levels in Cincinnati during last 24 hours?
4. What is the current trend of AQI (US) levels in Cincinnati during last 24 hours?
The AQI (US) levels in Cincinnati have been fluctuating throughout the last 24 hours. The levels have increased by highest 138 at 3:31 PM, Jul 19, 2026 (Local Time), lowest 31 at 5:31 AM, Jul 19, 2026 (Local Time).
5. What actions are recommended as per the current AQI (US) level in Cincinnati?
5. What actions are recommended as per the current AQI (US) level in Cincinnati?
Current AQI (US) levels are unhealthy for Sensitive individuals, they should reduce prolonged or heavy outdoor exertion.
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