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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 | 55.4°F |
| Humidity | 89% |
| Wind | 3 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Fort Mckay, Alberta | 164 |
| 2 | London, Ontario | 82 |
| 3 | Hamilton, Ontario | 79 |
| 4 | Burlington, Ontario | 74 |
| 5 | Guelph, Ontario | 71 |
| 6 | Kitchener, Ontario | 71 |
| 7 | Waterloo, Ontario | 68 |
| 8 | Windsor, Ontario | 62 |
| 9 | Mississauga, Ontario | 60 |
| 10 | Saskatoon, Saskatchewan | 60 |
(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 | 71 |
| 2 | Lab | 68 |
| 3 | Westcourt Place | 66 |
(local time)
SEE WORLD AQI RANKING
US AQI
68
live AQI index
Moderate
Overview
What is the current air quality in Waterloo?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 68 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 18µg/m³ | |
!
PM2.5
x3.6
PM2.5 concentration in Waterloo is currently 3.6 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 |
|---|---|---|---|---|
| Sunday, May 12 | Good 25 AQI US  |  | 71.6° 46.4° |  15.7 mp/h |
| Monday, May 13 | Moderate 52 AQI US | | 68° 53.6° | 8.9 mp/h |
| Today | Moderate 68 AQI US | |||
| Wednesday, May 15 | Moderate 58 AQI US | 30% | 66.2° 48.2° | 8.9 mp/h |
| Thursday, May 16 | Moderate 55 AQI US | | 68° 50° | 6.7 mp/h |
| Friday, May 17 | Moderate 59 AQI US | 60% | 66.2° 50° | 8.9 mp/h |
| Saturday, May 18 | Moderate 56 AQI US | 60% | 68° 53.6° | 8.9 mp/h |
| Sunday, May 19 | Moderate 61 AQI US | 100% | 59° 53.6° | 6.7 mp/h |
| Monday, May 20 | Moderate 60 AQI US | 70% | 57.2° 51.8° | 4.5 mp/h |
| Tuesday, May 21 | Good 42 AQI US | | 66.2° 46.4° | 8.9 mp/h |
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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