Business Permits / Registration
Diesel Truck & CARB Regulations
Emission Reduction Credits (ERCs)
Today’s Air Quality
*Official Monitoring Station AQI Map*
The forecasts below are for a 24-hour period. For real time data – click on the city name below or see the map link above.
July 3 (Fri)
Chico: (Ozone)
Gridley: (PM2.5)*
*Note: Ozone data is not collected by the Gridley Monitor
Paradise (Foothills): (Ozone)
*Experimental “Purple Air” Air Quality Sensor Map*
The District is operating Purple Air particulate sensors in Chico, Oroville, Biggs, Nord, Thermalito, Durham, Magalia, and Paradise. Data is unofficial and for informational use only.