Click on a station to see the Report.
Click on a station to see the latest hourly readings. (MAP ONLY)
The monitoring system is on Eastern Standard Time (EST) year-round.
If you are viewing it during Eastern Daylight Savings Time (EDST), the data will appear to lag by 1 hour. For example, 2:00 EDST is 1:00 EST.
All data shown here is preliminary and subject to change. It has not been reviewed or edited.
||Parts per Million
||Micrograms per Cubic Meter
The following ozone monitoring stations operate only during ozone season (March 1 through October 31);