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 (Wed, Nov 13)
56 AQI - Moderate
Tomorrow (Thu, Nov 14)
50 AQI - Good

Yesterday's High Extended AQI Outlook
Tue, Nov 12
51 AQI - Moderate
PM2.5
Fri, Nov 15
Good
Sat, Nov 16
Moderate
Sun, Nov 17
Moderate

Air Quality Forecast and Weather Discussion
Tuesday, a weak ridge of high pressure aloft will hinder atmospheric mixing, while calm to light northwesterly surface winds will limit dispersion. Furthermore, an evening temperature inversion will trap pollutants near the ground. Thus, particle levels will be low-Moderate. Wednesday, a temperature inversion will confine pollutants near the surface early in the day. In addition, southerly to southeasterly winds will carry regional pollutants into the Sacramento Valley ahead of the next cold front. Therefore, despite increasing low-level mixing, low-Moderate particle levels will continue. Thursday, mixing will continue to be enhanced as an upper-level trough of low pressure remains over the region. Additionally, scattered showers and onshore winds will aid pollutant dispersion. As a result, particle levels will be high-Good.