Ohio Air Quality Map

NOTICE

This map will be updated at 19:32 EST.
A map at X hour uses the data collected between X and X+1 hour. For example, a map at 2pm uses the data collected from 2pm to 3 pm.

You may review all of the day's readings by holding your mouse over any of the monitors.

This map shows current 1-hour average readings. However, a 1-hour average in orange or red may not indicate a violation of the USEPA's health standard, which is based on a 24-hour average.

To view color key of the Air Quality Index, please click here.

DISCLAIMER: THE DATA IN THESE REPORTS HAVE NEITHER BEEN VALIDATED NOR QUALITY ASSURED.