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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
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Pollen
What is the pollen count in Guelph today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Guelph?
| Weather | Broken clouds |
| Temperature | 69.8°F |
| Humidity | 68% |
| Wind | 5.5 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Hamilton, Ontario | 56 |
| 2 | Burlington, Ontario | 52 |
| 3 | Guelph, Ontario | 52 |
| 4 | Windsor, Ontario | 51 |
| 5 | Oshawa, Ontario | 49 |
| 6 | Rouyn-Noranda, Quebec | 47 |
| 7 | La Tuque, Quebec | 46 |
| 8 | Laval, Quebec | 45 |
| 9 | Peace River, Alberta | 45 |
| 10 | Montreal, Quebec | 44 |
(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 | Ontario Ministry of the Environment Guelph | 51 |
| 2 | Exhibition Park | 23 |
| 3 | Guelph Old City | 22 |
(local time)
SEE WORLD AQI RANKING
US AQI
52
live AQI index
Moderate
Overview
What is the current air quality in Guelph?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 52 US AQI | O3 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.2µg/m³ | |
| O3 | 128µg/m³ | |
| NO2 | 2.3µg/m³ | |
✓
PM2.5 concentration in Guelph air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Guelph?
 | 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
Guelph air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 29 | Good 31 AQI US  |  | 60.8° 39.2° |  11.2 mp/h |
| Thursday, May 30 | Good 30 AQI US | | 68° 42.8° | 8.9 mp/h |
| Friday, May 31 | Good 45 AQI US | | 69.8° 48.2° | 8.9 mp/h |
| Friday, May 31 | Good 29 AQI US | | 69.8° 48.2° | 8.9 mp/h |
| Today | Moderate 52 AQI US |  100% | 57.2° 53.6° | 11.2 mp/h |
| Sunday, Jun 2 | Moderate 64 AQI US | | 69.8° 51.8° | 8.9 mp/h |
| Monday, Jun 3 | Moderate 68 AQI US | 70% | 73.4° 55.4° | 11.2 mp/h |
| Tuesday, Jun 4 | Moderate 59 AQI US | 100% | 62.6° 60.8° | 15.7 mp/h |
| Wednesday, Jun 5 | Good 45 AQI US | 100% | 68° 51.8° | 15.7 mp/h |
| Thursday, Jun 6 | Good 14 AQI US | 100% | 62.6° 48.2° | 15.7 mp/h |
| Friday, Jun 7 | Good 12 AQI US | 90% | 55.4° 46.4° | 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?
Guelph air quality data attribution
2Contributors
- Nichols Family
1 station
Individual Contributor
- 1 Anonymous contributor
1 station
Anonymous Contributor
Data validated and calibrated by IQAirWhere is the cleanest air quality in Guelph?
AQI US, Metric