Worst air pollution Kent, today and tomorrow
Today (15 July): Air quality in Kent is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 AM (O3: 58.7/100).
Tomorrow (16 July 2026): Air quality in Kent is poor. AQI worsens to poor; O3 increases to poor; all other pollutants stay as today. Pollution peaks around 4:00 AM (O3: 60.6/100). 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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Kent's air quality in Washington State reflects its position in the Green River valley at the southern end of the Seattle metropolitan area, with vehicle emissions from SR-167 and I-5 and the massive Amazon, Boeing, and logistics distribution center concentration generating significant diesel warehouse and freight vehicle NOₓ and PM2.5. The valley's partial topographic enclosure between the Cascade foothills and the Puget Sound plateau concentrates freight emissions, while summer wildfire smoke from the surrounding Pacific Northwest forests is an increasingly frequent seasonal concern.
Today - 15 July | Pollution peaks at 06:00
AQI:
Medium
58.7/100
PM2.5 (fine particles):
Good
11.4/100
PM10 (coarse particles):
Good
4.0/100
NO2 (nitrogen dioxide):
Good
6.0/100
O3 (ozone):
Medium
58.7/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.6/100
PM1 (ultrafine particles):
Good
14.2/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 04:00
AQI:
Poor
60.6/100
PM2.5 (fine particles):
Good
10.4/100
PM10 (coarse particles):
Good
3.6/100
NO2 (nitrogen dioxide):
Good
3.8/100
O3 (ozone):
Poor
60.6/100
SO2 (sulfur dioxide):
Good
0.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
11.9/100
PM1 (ultrafine particles):
Good
12.6/100
Pollen forecast in Kent
View pollen forecastFrequently Asked Questions
Is air quality bad in Kent right now?
On 15 July 2026, overall air quality in Kent is medium. AQI is the main air quality indicator at 58.7/100. Pollution peaks around 6:00 AM (O3: 58.7/100).
Will air quality be worse tomorrow in Kent?
On 16 July 2026, air quality conditions in Kent will be worse than today, with AQI forecast at poor at 60.6/100. Pollution peaks around 4:00 AM (O3: 60.6/100).
When is air pollution at its worst in Kent?
Air quality across Kent rises and falls with the seasons, as spring is often the freshest stretch, sandwiched between winter rain and summer fire season; by contrast, by late summer, wildfire smoke can override the region's usual clean-air advantage for days at a time. Winter temperature inversions can briefly trap wood-smoke in low-lying valleys, but these episodes are usually short-lived.
Are air quality levels in Kent 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