Summer ozone in the northern Front Range metropolitan area: weekend–weekday effects, temperature dependences, and the impact of drought
Data sets
Air Pollutants Emission Trends https://www.epa.gov/air-emissions-inventories/air-pollutant-emissions-trends-data
Air Quality System (AQS) and AQS Data Mart https://www3.epa.gov/ttn/airs/aqsdatamart/