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Air quality in Waterloo
Air quality index (AQI) and PM2.5 air pollution in Waterloo
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Waterloo Air Quality Map
Real-time Waterloo air pollution map
AIR QUALITY DATA CONTRIBUTORS
3 Contributors
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Pollen
What is the pollen count in Waterloo today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Waterloo?
| Weather | Broken clouds |
| Temperature | 60.8°F |
| Humidity | 98% |
| Wind | 5 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Kitchener, Ontario | 55 |
| 2 | Burlington, Ontario | 53 |
| 3 | Hamilton, Ontario | 53 |
| 4 | Mississauga, Ontario | 50 |
| 5 | Oakville, Ontario | 50 |
| 6 | Windsor, Ontario | 50 |
| 7 | Toronto, Ontario | 49 |
| 8 | Waterloo, Ontario | 46 |
| 9 | Rouyn-Noranda, Quebec | 43 |
| 10 | Val-d'Or, Quebec | 42 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Waterloo aqi ranking
Real-time Waterloo air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Lourdes Street | 52 |
| 2 | Westcourt Place | 48 |
| 3 | Lab | 29 |
(local time)
SEE WORLD AQI RANKING
US AQI
48
live AQI index
Good
Overview
What is the current air quality in Waterloo?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 48 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.7µg/m³ | |
!
PM2.5
x2.3
PM2.5 concentration in Waterloo is currently 2.3 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Waterloo?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Waterloo air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Thursday, Apr 25 | Good 21 AQI US | | 53.6° 32° |  13.4 mp/h |
| Friday, Apr 26 | Good 21 AQI US |  | 68° 41° | 17.9 mp/h |
| Saturday, Apr 27 | Good 44 AQI US | | 62.6° 57.2° | 15.7 mp/h |
| Today | Good 48 AQI US | 100% | 62.6° 57.2° | 15.7 mp/h |
| Monday, Apr 29 | Good 33 AQI US | 100% | 60.8° 46.4° | 11.2 mp/h |
| Tuesday, Apr 30 | Good 35 AQI US | 80% | 62.6° 48.2° | 13.4 mp/h |
| Wednesday, May 1 | Good 37 AQI US | | 68° 46.4° | 4.5 mp/h |
| Thursday, May 2 | Moderate 57 AQI US  | 40% | 69.8° 50° | 11.2 mp/h |
| Friday, May 3 | Moderate 59 AQI US | 100% | 64.4° 53.6° | 15.7 mp/h |
| Saturday, May 4 | Good 42 AQI US | 100% | 60.8° 48.2° | 17.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Waterloo air quality data attribution
3Contributors
- IQAir Lab
1 station
Individual Contributor
- 2 Anonymous contributors
2 stations
2 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in Waterloo?
AQI US, Metric