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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 | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Waterloo?
| Weather | Broken clouds |
| Temperature | 73.4°F |
| Humidity | 68% |
| Wind | 9.2 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Grimshaw, Alberta | 59 |
| 2 | Hamilton, Ontario | 55 |
| 3 | Valemount, British Columbia | 54 |
| 4 | Levis, Quebec | 52 |
| 5 | Waterloo, Ontario | 51 |
| 6 | Kitchener, Ontario | 49 |
| 7 | Leduc, Alberta | 49 |
| 8 | London, Ontario | 49 |
| 9 | Mississauga, Ontario | 46 |
| 10 | Oakville, Ontario | 45 |
(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 | Westcourt Place | 54 |
| 2 | Lourdes Street | 51 |
| 3 | Lab | 27 |
(local time)
SEE WORLD AQI RANKING
US AQI
51
live AQI index
Moderate
Overview
What is the current air quality in Waterloo?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 51 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9.3µg/m³ | |
!
PM2.5
x1.9
PM2.5 concentration in Waterloo is currently 1.9 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Waterloo?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Waterloo air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 15 | Moderate 58 AQI US |  | 69.8° 50° |  8.9 mp/h |
| Thursday, May 16 | Moderate 54 AQI US | | 64.4° 53.6° | 8.9 mp/h |
| Friday, May 17 | Good 31 AQI US  |  | 73.4° 51.8° | 6.7 mp/h |
| Today | Moderate 51 AQI US | | 73.4° 51.8° | 6.7 mp/h |
| Sunday, May 19 | Moderate 69 AQI US | 50% | 77° 53.6° | 6.7 mp/h |
| Monday, May 20 | Moderate 64 AQI US | 40% | 77° 55.4° | 8.9 mp/h |
| Tuesday, May 21 | Moderate 64 AQI US | 70% | 78.8° 62.6° | 11.2 mp/h |
| Wednesday, May 22 | Moderate 59 AQI US | 100% | 75.2° 59° | 17.9 mp/h |
| Thursday, May 23 | Good 32 AQI US | 100% | 59° 48.2° | 15.7 mp/h |
| Friday, May 24 | Good 13 AQI US |  | 69.8° 44.6° | 4.5 mp/h |
| Saturday, May 25 | Good 22 AQI US | | 73.4° 50° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
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