Highest air pollution Los Angeles, today and tomorrow
Today (25 June): Air quality in Los Angeles is fair. AQI, PM2.5, PM10, and O3 are fair; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 38.3/100).
Tomorrow (26 June 2026): Air quality in Los Angeles is fair. PM2.5 decreases to good; all other pollutants stay as today. Pollution peaks around 3:00 AM (O3: 33.8/100). 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
Los Angeles' air quality is among the most studied in the world, shaped by the San Gabriel Mountains trapping vehicle and industrial emissions in the basin under the persistent temperature inversions that give the region its notorious smog. Sea breezes from the Pacific provide afternoon relief along the coastal strip.
Today - 25 June | Pollution peaks at 12:00
AQI:
Fair
38.3/100
PM2.5 (fine particles):
Fair
26.8/100
PM10 (coarse particles):
Fair
37.8/100
NO2 (nitrogen dioxide):
Good
0.4/100
O3 (ozone):
Fair
38.3/100
SO2 (sulfur dioxide):
Good
0.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.6/100
PM1 (ultrafine particles):
Good
7.4/100
Levels show the poorest local air quality during the day
Tomorrow - 26 June | Pollution peaks at 03:00
AQI:
Fair
33.8/100
PM2.5 (fine particles):
Good
16.9/100
PM10 (coarse particles):
Fair
24.6/100
NO2 (nitrogen dioxide):
Good
0.3/100
O3 (ozone):
Fair
33.8/100
SO2 (sulfur dioxide):
Good
0.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.5/100
PM1 (ultrafine particles):
Good
5.3/100
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Frequently Asked Questions
Is air quality bad in Los Angeles right now?
On 25 June 2026, overall air quality in Los Angeles is fair. AQI is the main air quality indicator at 38.3/100. Pollution peaks around 12:00 PM (O3: 38.3/100).
Will air quality be worse tomorrow in Los Angeles?
On 26 June 2026, air quality conditions in Los Angeles will be similar to today, with AQI forecast at fair at 33.8/100. Pollution peaks around 3:00 AM (O3: 33.8/100).
Are air quality levels in Los Angeles 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?
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Data provided by Airmine — Last update: 25 June 2026 at 09:02 CET (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
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team