THE EPA'S OZONE STANDARD IS EXCEEDED AT .076 PPM
TODAY'S OZONE READINGS (ppm)
Monitoring Station Current 1-hr Reading High 1-hr Reading Current 8-hr Avg. HIGH 8-HOUR Avg.
Central .024 .024 .016 .016
East .025 .026 .019 .019
North .025 .025 .017 .017
South N/A .026 .016 .016
West .025 .026 .022 .022

Today's highest 8-Hour Avg. .022 at the West Monitor
Have we exceeded the standard today? NO
Did we exceed the standard yesterday? NO


Data is 'real-time', preliminary and subject to change upon QA/QC by ODEQ and EPA
The Air quality Index (AQI) reflects the health concern and corresponds to the EPA's national pollutant standard. AQI's higher than 100 generally mean air quality unhealthy for sensitive groups and an exceedance of the pollutant's standard.
The AQI below reflects ozone.
TODAY'S HIGH AQI

19

at the West Monitor

No health effects are expected when the AQI is in this range


Last updated:
December 20, 2014, 5:01:00 pm

Indicates the highest pollutant index from midnight until the time the page was last updated, changing when a new high is reflected throughout the day

AQI Air Quality Color
0-50 Good  
51-100 Moderate  
101-150 Unhealthy for Sensitive groups  
151-200 Unhealthy