Air Data - Multiyear Tile Plot
Monday, August 20: AirData services are unavailable today due to a problem with the weekly database update. We expect services to be restored by Tuesday, August 21.
The interactive map and pre-generated files are still available during this outage.
Plot daily AQI values for a specific location and time period. Each square or “tile” represents one day of the year and is color-coded based on the AQI level for that day.