Worst air pollution Alkali Flat - Sacramento, today and tomorrow
Today (15 July): Air quality in Alkali Flat 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 Alkali Flat is fair. AQI improves to medium; PM2.5 increases to fair; NO2 decreases to medium; all other pollutants stay as today. Pollution peaks around 10:00 PM (NO2: 40.4/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Use our Strava plugin to check your own exposure.
Sacramento's Alkali Flat air quality reflects the historic urban neighbourhood, with vehicle traffic on the surrounding arterials contributing local sources. The Sacramento Valley's temperature inversion problem creates winter challenges, while the neighbourhood's historic residential character and the flat terrain generally maintain moderate Sacramento metropolitan readings throughout most of the year.
Today - 15 July | Pollution peaks at 10:00
AQI:
Fair
33.8/100
PM2.5 (fine particles):
Good
15.0/100
PM10 (coarse particles):
Good
10.1/100
NO2 (nitrogen dioxide):
Fair
26.5/100
O3 (ozone):
Fair
33.8/100
SO2 (sulfur dioxide):
Good
4.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.7/100
PM1 (ultrafine particles):
Good
8.8/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 22:00
AQI:
Medium
40.4/100
PM2.5 (fine particles):
Fair
23.3/100
PM10 (coarse particles):
Good
12.9/100
NO2 (nitrogen dioxide):
Medium
40.4/100
O3 (ozone):
Fair
32.8/100
SO2 (sulfur dioxide):
Good
6.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.7/100
PM1 (ultrafine particles):
Good
16.2/100
Other Landmarks in Sacramento
Frequently Asked Questions
Is air quality bad in Alkali Flat right now?
On 15 July 2026, overall air quality in Alkali Flat 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 Alkali Flat?
On 16 July 2026, air quality conditions in Alkali Flat will be similar to today, with O3 forecast at fair at 32.8/100. Pollution peaks around 10:00 PM (NO2: 40.4/100).
When is air pollution at its worst in Alkali Flat?
Air quality around Alkali Flat changes with the seasons, as spring typically offers the best combination of mild weather and clear air; by contrast, summer and early autumn bring the highest risk, with heat-driven ozone and wildfire smoke both peaking from July through October. Wine country and inland valley locations tend to see more smoke buildup than the immediate coast.
Are air quality levels in Alkali Flat 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.
Want to see air quality forecasts for other cities in United States?
Check air quality in other popular cities:
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