Worst air pollution Lake Tahoe, today and tomorrow
Today (15 July): Air quality in Lake Tahoe is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (O3: 44.1/100).
Tomorrow (16 July 2026): Air quality in Lake Tahoe is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 10:00 AM (O3: 35.2/100). 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
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In Lake Tahoe, mountain lake breezes is the main influence on air quality, and regional wildfire smoke can settle in the basin during dry summers. Day-to-day conditions in Lake Tahoe can still vary with local weather, wind direction, and time of year. Checking current readings is still the best way to plan outdoor activity around Lake Tahoe.
Today - 15 July | Pollution peaks at 08:00
AQI:
Medium
44.1/100
PM2.5 (fine particles):
Good
8.2/100
PM10 (coarse particles):
Good
3.8/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Medium
44.1/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
4.0/100
PM1 (ultrafine particles):
Good
5.3/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 10:00
AQI:
Fair
35.2/100
PM2.5 (fine particles):
Good
10.8/100
PM10 (coarse particles):
Good
7.2/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
35.2/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
4.5/100
PM1 (ultrafine particles):
Good
7.5/100
Pollen forecast in Lake Tahoe
View pollen forecastFrequently Asked Questions
Is air quality bad in Lake Tahoe right now?
On 15 July 2026, overall air quality in Lake Tahoe is medium. AQI is the main air quality indicator at 44.1/100. Pollution peaks around 8:00 AM (O3: 44.1/100).
Will air quality be worse tomorrow in Lake Tahoe?
On 16 July 2026, air quality conditions in Lake Tahoe will be worse than today, with AQI forecast at fair at 35.2/100. Pollution peaks around 10:00 AM (O3: 35.2/100).
When is air pollution at its worst in Lake Tahoe?
Conditions in Lake Tahoe vary noticeably across the seasons. Typically, winter typically brings the cleanest stretch, once occasional rain clears the basin, while summer and early autumn bring the highest ozone levels, and wildfire smoke can spike particulate readings sharply from August through October. The mountains ringing the basin can trap pollution close to the ground for days when winds are calm.
Are air quality levels in Lake Tahoe 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