Historical Ozone and PM2.5 Data

Daily Ozone Data

• Daily 1-Hour Ozone Data
  Displays a table with the last 7 days maximum 1-hour concentration at each monitor for the current ozone season.
• Daily 8-Hour Ozone Data
  Displays a table with the last 7 days maximum 8-hour concentration at each monitor for the current ozone season.
• Air Quality Index for Cities in Alabama

Historical Ozone and PM2.5 Data

• https://www.epa.gov/outdoor-air-quality-data