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Air quality in Guelph
Air quality index (AQI) and PM2.5 air pollution in Guelph
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Guelph Air Quality Map
Real-time Guelph air pollution map
AIR QUALITY DATA CONTRIBUTORS
Nichols Family
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Pollen
What is the pollen count in Guelph today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Weather
What is the current weather in Guelph?
| Weather | Rain |
| Temperature | 44.6°F |
| Humidity | 89% |
| Wind | 6.2 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Valemount, British Columbia | 86 |
| 2 | Houston, British Columbia | 72 |
| 3 | Fort Mckay, Alberta | 56 |
| 4 | Saguenay, Quebec | 53 |
| 5 | Golden, British Columbia | 50 |
| 6 | Hamilton, Ontario | 50 |
| 7 | Burlington, Ontario | 45 |
| 8 | Oakville, Ontario | 45 |
| 9 | Toronto, Ontario | 44 |
| 10 | Mississauga, Ontario | 43 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Guelph aqi ranking
Real-time Guelph air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Guelph Old City | 37 |
| 2 | Ontario Ministry of the Environment Guelph | 33 |
(local time)
SEE WORLD AQI RANKING
US AQI
35
live AQI index
Good
Overview
What is the current air quality in Guelph?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 35 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 8.5µg/m³ | |
| O3 | 52µg/m³ | |
!
PM2.5
x1.7
PM2.5 concentration in Guelph is currently 1.7 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Guelph?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Guelph air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Tuesday, Apr 16 | Good 28 AQI US | | 42.8° 37.4° |  20.1 mp/h |
| Wednesday, Apr 17 | Good 22 AQI US | | 50° 42.8° | 11.2 mp/h |
| Thursday, Apr 18 | Good 25 AQI US | | 50° 39.2° | 20.1 mp/h |
| Today | Good 35 AQI US | 100% | 50° 39.2° | 20.1 mp/h |
| Saturday, Apr 20 | Good 7 AQI US |  50% | 42.8° 32° | 17.9 mp/h |
| Sunday, Apr 21 | Good 5 AQI US |  | 50° 32° | 20.1 mp/h |
| Monday, Apr 22 | Good 15 AQI US |  | 53.6° 32° | 11.2 mp/h |
| Tuesday, Apr 23 | Good 18 AQI US | 100% | 50° 44.6° | 20.1 mp/h |
| Wednesday, Apr 24 | Good 35 AQI US | 40% | 46.4° 30.2° | 20.1 mp/h |
| Thursday, Apr 25 | Good 4 AQI US | | 44.6° 30.2° | 20.1 mp/h |
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News
The latest air quality news and resources.
Guelph air quality data attribution
1Contributor
- Nichols Family
1 station
Individual Contributor
Data validated and calibrated by IQAirWhere is the cleanest air quality in Guelph?
AQI US, Metric