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, Feb 12)
50 AQI - Good
Tomorrow (Fri, Feb 13)
60 AQI - Moderate

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

Air Quality Forecast and Weather Discussion
Wednesday, as a surface low pressure system impacts northern California, moderate to gusty south-southeasterly winds will effectively disperse pollutants. In addition, rain showers will enhance atmospheric mixing in the Sacramento region, leading to Good particle levels. Thursday, as the low pressure system weakens and surface high pressure builds into the Pacific Northwest, light northwesterly winds will develop through the Sacramento Valley, dispersing pollutants. In addition, pollutant carryover from Wednesday will be low. Therefore, despite calm evening winds reducing dispersion, particle levels will be high-Good. Friday, a ridge of upper-level high pressure over the state will inhibit vertical mixing. Additionally, calm surface winds throughout much of the day will allow pollutants to accumulate, while a morning inversion will trap pollutants near the ground. These conditions will yield low-Moderate particle levels.