Worst air pollution Grout Museum District - Waterloo, today and tomorrow
Today (9 August): Air quality in Grout Museum District is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 AM (O3: 34.0/100).
Tomorrow (10 August 2026): Air quality in Grout Museum District is fair. All pollutants stay as today. Pollution peaks around 11:00 PM (NO2: 36.9/100). Airmine updates local air quality forecasts four times daily.
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Given its location — a cluster of history museums downtown — Grout Museum District shares Waterloo's wider air quality pattern rather than a distinct local one. As with most sublevel sites, the broader city trend is the best guide to typical conditions here.
Today - 9 August | Pollution peaks at 07:00
AQI:
Fair
34.0/100
PM2.5 (fine particles):
Good
11.4/100
PM10 (coarse particles):
Good
7.9/100
NO2 (nitrogen dioxide):
Fair
22.5/100
O3 (ozone):
Fair
34.0/100
SO2 (sulfur dioxide):
Good
2.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.1/100
PM1 (ultrafine particles):
Good
8.3/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 23:00
AQI:
Fair
36.9/100
PM2.5 (fine particles):
Good
14.1/100
PM10 (coarse particles):
Good
8.2/100
NO2 (nitrogen dioxide):
Fair
36.9/100
O3 (ozone):
Fair
33.4/100
SO2 (sulfur dioxide):
Good
3.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.7/100
PM1 (ultrafine particles):
Good
9.1/100
Other Landmarks in Waterloo
Frequently Asked Questions
Is air quality bad in Grout Museum District right now?
On 9 August 2026, overall air quality in Grout Museum District is fair. AQI is the main air quality indicator at 34.0/100. Pollution peaks around 7:00 AM (O3: 34.0/100).
Will air quality be worse tomorrow in Grout Museum District?
On 10 August 2026, air quality conditions in Grout Museum District will be similar to today, with AQI forecast at fair at 36.9/100. Pollution peaks around 11:00 PM (NO2: 36.9/100).
When is air pollution at its worst in Grout Museum District?
Air quality around Grout Museum District changes with the seasons, as the cleanest conditions usually come in winter, once the growing season dust and pollen have passed; by contrast, summer heat waves and the dust of planting and harvest seasons are the main annual concerns. Farm-heavy surrounding land is the main source of the seasonal dust spikes.
Are air quality levels in Grout Museum District 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.
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Data provided by Airmine — Last update: 10 August 2026 at 02:34 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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