Atlanta Smog Alert Statistics
Year-to-Date

A smog alert day is any day with more than moderate AQI (USG or above)


Note:This information is published as soon as the values are detected, and does not imply that the data have passed quality assurance validation procedures. If no forecasts were made during a given month, that month is omitted from the calendar below.



Click here for more detailed year to date forecast information.

Click below to select yearly forecast / AQI values for past years.