Environmental Resources Management Division -- Ozone Data

Ozone (O3)

*The map shows expected ozone levels for all sites

I want to see a map of the data.

What Site Do You Want?

What Time Period Do You Want?

I want to see a table of the data.

(Reported concentrations are ppm - parts per million. Please note that the data have not been quality assured at this time.)

*Expected 8-hour averages are the 8-hour averages which are expected to occur 2 to 4 hours from the indicated time. These projected 8-hour averages are determined by the most recent 1-hour averages. This information may be useful for those planning outdoor activities during the next few hours.