This index is updated twice daily Monday through Friday. Residents may also call the Air Quality Index Hotline at 513-946-7753.
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AIR QUALITY INDEX
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POLLUTANT |
LAST UPDATED
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TUESDAY HIGH: 37
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PARTICULATE |
7:00 AM 01/20/21
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WEDNESDAY AM: 31
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PARTICULATE |
7:00 AM 01/20/21 |
WEDNESDAY PM: NA
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NA |
2:00 PM 01/20/21
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The AQI is a tool that indicates how clean - or dirty - the air is and what associated health effects might be a concern for you. The U.S. EPA calculates the AQI for five major air pollutants: ground-level ozone, particle pollution (also known as particulate matter), carbon monoxide, sulfur dioxide, and nitrogen dioxide. For each of these pollutants, EPA has established national air quality standards to protect public health.
An Air Quality Index of 0 - 50 is Good; 51 - 100 is Moderate; 101 - 150 is Unhealthy for Sensitive Groups (USG); 151 - 200 is Unhealthy; 201 - 300 is Very Unhealthy and 301 and above is considered Hazardous.
AQI Resources