Dear AirNow users,
Due to server maintenance, the AirNow.gov website will be unavailable from 10:00 pm EDT on Friday, July 1 until 6:00 am EDT on Tuesday, July 5, 2016. All maps and products on AirNow.gov will be backfilled accordingly after maintenance is completed.
The AirNow API and AirNow-Tech will remain operational during this time. Data feeds to and from the AirNowAPI and AirNow-Tech will not be affected by this outage.
AirNow DMC and EPA