Tamill, Seattle Air Quality Forecast - Today, Tomorrow
Air Quality Today
Today (10 October): Air quality in Tamill is fair. AQI and NO2 are fair; PM2.5, PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (NO2: 29.8/100).
Air Quality Tomorrow
Tomorrow (11 October 2026): Air quality in Tamill is fair. All pollutants stay as today. Pollution peaks around 2:00 PM (NO2: 26.1/100).
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Air Quality
Today - 10 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Fair | 29.8/100 |
| PM2.5 (fine particles) | Good | 17.8/100 |
| PM10 (coarse particles) | Good | 14.1/100 |
| NO2 (nitrogen dioxide) | Fair | 29.8/100 |
| O3 (ozone) | Good | 16.1/100 |
| SO2 (sulfur dioxide) | Good | 0.4/100 |
| CO (carbon monoxide) | Good | 0.6/100 |
| HCHO (formaldehyde) | Good | 1.4/100 |
| PM1 (ultrafine particles) | Good | 8.1/100 |
Tomorrow - 11 October
| Pollutant | Level | Value |
|---|---|---|
| AQI | Fair | 26.1/100 |
| PM2.5 (fine particles) | Good | 19.4/100 |
| PM10 (coarse particles) | Good | 15.9/100 |
| NO2 (nitrogen dioxide) | Fair | 26.1/100 |
| O3 (ozone) | Good | 18.3/100 |
| SO2 (sulfur dioxide) | Good | 0.5/100 |
| CO (carbon monoxide) | Good | 0.6/100 |
| HCHO (formaldehyde) | Good | 1.5/100 |
| PM1 (ultrafine particles) | Good | 7.1/100 |
Local Environmental Conditions
Around this location in Seattle, a mix of built-up land and open space means traffic is an important, but not overwhelming, local pollution source. In cold weather, wood burning and other home heating become a noticeable source of fine particles. The surrounding woodland releases natural compounds that, in warm sunny weather, help form ozone. Breezes off the nearby water usually help clear pollutants away.
Fine particle levels climb from November to March, as home heating and traffic combine with cold, still air averaging 4°C. Later in the year, summers are mild, averaging around 18°C in the warmest month, so ozone usually stays moderate even from July to August. Wildfire smoke is most likely from July to August, sometimes turning the sky hazy for days.
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Frequently Asked Questions About Air Quality in Washington
Is air quality bad in Tamill right now?
On 10 October 2026, overall air quality in Tamill is fair. AQI is the main air quality indicator at 29.8/100. Pollution peaks around 4:00 PM (NO2: 29.8/100).
Will air quality be worse tomorrow in Tamill?
On 11 October 2026, air quality conditions in Tamill will be similar to today, with AQI forecast at fair at 26.1/100. Pollution peaks around 2:00 PM (NO2: 26.1/100).
When is air pollution at its worst in Tamill?
Fine particle levels climb from November to March, as home heating and traffic combine with cold, still air averaging 4°C. Later in the year, summers are mild, averaging around 18°C in the warmest month, so ozone usually stays moderate even from July to August. Wildfire smoke is most likely from July to August, sometimes turning the sky hazy for days.
Are air quality levels in Tamill 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
Understanding the Scale
The 0–100 air quality scores represent risk levels, not direct air pollutant concentrations. Higher scores indicate higher risk.
Air Quality
| Good | 0-20 | Low air quality risk. Air quality is expected to be good, with low levels of pollution. |
| Fair | 20-40 | Generally low air quality risk. Air quality is expected to be acceptable, with some pollution present. |
| Moderate | 40-60 | Moderate air quality risk. Air pollution is elevated and air quality may be less favorable. |
| Poor | 60-80 | High air quality risk. Air pollution is high and air quality is expected to be poor. |
| Very Poor | 80-100 | Very high air quality risk. Air pollution is very high and air quality is expected to be very poor. |