Do You Know Current Air Pollution Levels?
Check air quality conditions before you go outside to help protect your health. Exposure to high air pollution levels can cause immediate and severe health issues including respiratory illness, heart and lung stress, and damaged respiratory cells. Some individuals are more vulnerable to the health impacts of air pollution, including children, pregnant women, the elderly, and individuals with heart or lung conditions, such as asthma.

Mark your calendar for May 1, when the Sacramento region's Spare The Air Program will begin. From May 1 to October 31 each year, when the AQI is forecast to reach 126 or higher for ground-level ozone a Spare The Air alert is issued. On Spare The Air days, residents are asked to reduce their driving.

Sacramento Region PM2.5 Air Quality Forecast updated by noon
Today (Thu, Mar 12)
62 AQI - Moderate
Tomorrow (Fri, Mar 13)
66 AQI - Moderate

Yesterday's High Extended AQI Outlook
Wed, Mar 11
54 AQI - Moderate
Ozone
Sat, Mar 14
Moderate
Sun, Mar 15
Good
Mon, Mar 16
Moderate

Air Quality Forecast and Weather Discussion
Wednesday, a strong temperature inversion will trap pollutants at ground level through the morning hours. However, periods of light northwesterly winds will develop through the afternoon, gradually dispersing pollutants and bringing cleaner air into the Sacramento region. Therefore, particle levels will low-Moderate. Thursday and Friday, an upper-level ridge of high pressure will reduce mixing in the atmosphere over northern California. Furthermore, strong inversions and calm winds during the morning and evening hours will lead to pollutant build-up in the Sacramento region. However, light northwesterly winds will re-develop each afternoon, dispersing pollutants and leading to low-Moderate particle levels on both days.