Worst air pollution Sonoma, today and tomorrow
Today (15 July): Air quality in Sonoma is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (O3: 33.8/100).
Tomorrow (16 July 2026): Air quality in Sonoma is fair. PM2.5 increases to fair; all other pollutants stay as today. Pollution peaks around 10:00 PM (NO2: 36.0/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Sonoma's air quality is shaped largely by valley heat and wildfire smoke risk; late-summer wildfire smoke is the primary seasonal concern. These factors combine to give Sonoma a fairly typical seasonal air quality pattern for this part of the country. Visitors and residents alike tend to notice the clearest air outside the warmest summer weeks.
Today - 15 July | Pollution peaks at 10:00
AQI:
Fair
33.8/100
PM2.5 (fine particles):
Good
14.0/100
PM10 (coarse particles):
Good
9.5/100
NO2 (nitrogen dioxide):
Fair
23.5/100
O3 (ozone):
Fair
33.8/100
SO2 (sulfur dioxide):
Good
3.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.7/100
PM1 (ultrafine particles):
Good
8.3/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 22:00
AQI:
Fair
36.0/100
PM2.5 (fine particles):
Fair
22.0/100
PM10 (coarse particles):
Good
12.1/100
NO2 (nitrogen dioxide):
Fair
36.0/100
O3 (ozone):
Fair
32.8/100
SO2 (sulfur dioxide):
Good
5.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.7/100
PM1 (ultrafine particles):
Good
15.2/100
Pollen forecast in Sonoma
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Sonoma
Frequently Asked Questions
Is air quality bad in Sonoma right now?
On 15 July 2026, overall air quality in Sonoma is fair. AQI is the main air quality indicator at 33.8/100. Pollution peaks around 10:00 AM (O3: 33.8/100).
Will air quality be worse tomorrow in Sonoma?
On 16 July 2026, air quality conditions in Sonoma will be similar to today, with AQI forecast at fair at 36.0/100. Pollution peaks around 10:00 PM (NO2: 36.0/100).
When is air pollution at its worst in Sonoma?
Conditions in Sonoma vary noticeably across the seasons. Typically, winter storms periodically reset air quality, keeping the cleanest stretch to the rainy months, while wildfire smoke season from July through October is the dominant concern, sometimes overwhelming other pollution sources for days at a time. Wine country and inland valley locations tend to see more smoke buildup than the immediate coast.
Are air quality levels in Sonoma based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app