Worst air pollution Wenatchee, today and tomorrow
Today (15 July): Air quality in Wenatchee is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 AM (O3: 52.9/100).
Tomorrow (16 July 2026): Air quality in Wenatchee is medium. All pollutants stay as today. Pollution peaks around 4:00 AM (O3: 51.8/100). 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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Wenatchee's air quality reflects the Columbia River valley's partial topographic enclosure in the eastern Washington Cascades rain shadow, with vehicle emissions from US-2 and the surrounding apple orchard and agricultural operations contributing local sources alongside the Alcoa Wenatchee Works aluminium smelter nearby. Summer wildfire smoke from the surrounding Cascade and Okanogan-Wenatchee National Forest is an increasingly severe seasonal concern and valley inversions trap winter wood-burning emissions.
Today - 15 July | Pollution peaks at 07:00
AQI:
Medium
52.9/100
PM2.5 (fine particles):
Good
11.0/100
PM10 (coarse particles):
Good
4.0/100
NO2 (nitrogen dioxide):
Good
7.6/100
O3 (ozone):
Medium
52.9/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.5/100
PM1 (ultrafine particles):
Good
13.5/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 04:00
AQI:
Medium
51.8/100
PM2.5 (fine particles):
Good
9.3/100
PM10 (coarse particles):
Good
3.2/100
NO2 (nitrogen dioxide):
Good
5.3/100
O3 (ozone):
Medium
51.8/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
11.5/100
PM1 (ultrafine particles):
Good
11.4/100
Pollen forecast in Wenatchee
View pollen forecastFrequently Asked Questions
Is air quality bad in Wenatchee right now?
On 15 July 2026, overall air quality in Wenatchee is medium. AQI is the main air quality indicator at 52.9/100. Pollution peaks around 7:00 AM (O3: 52.9/100).
Will air quality be worse tomorrow in Wenatchee?
On 16 July 2026, air quality conditions in Wenatchee will be similar to today, with AQI forecast at medium at 51.8/100. Pollution peaks around 4:00 AM (O3: 51.8/100).
When is air pollution at its worst in Wenatchee?
Wenatchee follows a fairly predictable seasonal air quality pattern, as rain-heavy winters keep the air unusually clean compared to much of the country; by contrast, late summer wildfire smoke is the biggest concern, sometimes pushing air quality into unhealthy territory for days at a stretch. Winter temperature inversions can briefly trap wood-smoke in low-lying valleys, but these episodes are usually short-lived.
Are air quality levels in Wenatchee 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