Revised On: March 4, 2024 - 3:00 p.m.

Hourly Ozone Data

Alamo Lake | Download > 

Blythe CA | Download >

Casa Grande | Download >

Chiricahua NM | Download >

Flagstaff Middle School | Download > 

Petrified Forest NP | Download >

Phoenix JLG Supersite | Download >

Prescott College | Download >

Saguaro NP | Download > 

Tucson 22nd & Craycroft | Download >

Yuma Supersite | Download > 

*The unit for ozone concentrations is ppm

One-Hour NO2 Background Concentrations | Download >