Worst air pollution Kirkland, today and tomorrow
Today (15 July): Air quality in Kirkland 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 Kirkland 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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Kirkland's air quality benefits from its Lake Washington eastern shoreline position in the greater Seattle metropolitan area, with consistent lake and Puget Sound westerly winds providing reliable maritime ventilation. Vehicle emissions from I-405 and SR-520 are the primary local sources, while summer wildfire smoke from Washington and Oregon forests is an increasingly severe seasonal concern and the lake's open water geometry generally maintains moderate conditions on most days.
Today - 15 July | Pollution peaks at 07:00
AQI:
Medium
52.9/100
PM2.5 (fine particles):
Good
11.1/100
PM10 (coarse particles):
Good
4.0/100
NO2 (nitrogen dioxide):
Good
8.2/100
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
13.6/100
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
9.4/100
PM10 (coarse particles):
Good
3.3/100
NO2 (nitrogen dioxide):
Good
5.7/100
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
11.5/100
Pollen forecast in Kirkland
View pollen forecastFrequently Asked Questions
Is air quality bad in Kirkland right now?
On 15 July 2026, overall air quality in Kirkland 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 Kirkland?
On 16 July 2026, air quality conditions in Kirkland 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 Kirkland?
Kirkland follows a fairly predictable seasonal air quality pattern — the wet winter and spring months are generally the cleanest, with regular rain limiting particulate buildup, whereas late summer wildfire smoke is the biggest concern, sometimes pushing air quality into unhealthy territory for days at a stretch. Coastal areas see relatively little of the smoke that can settle into inland valleys during fire season.
Are air quality levels in Kirkland 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