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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
Government of Ontario, Ministry of the Environment
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Weather
What is the current weather in Guelph?
| Weather | Broken clouds |
| Temperature | 62.6°F |
| Humidity | 48% |
| Wind | 10.7 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Chetwynd, British Columbia | 194 |
| 2 | Fort Nelson, British Columbia | 178 |
| 3 | Sault Ste Marie, Ontario | 169 |
| 4 | Athabasca, Alberta | 168 |
| 5 | Fort St John, British Columbia | 161 |
| 6 | Elk Island, Alberta | 158 |
| 7 | Maple Ridge, Alberta | 157 |
| 8 | Oakville, Ontario | 156 |
| 9 | Meadow Lake, Saskatchewan | 155 |
| 10 | Air Ronge, Saskatchewan | 153 |
(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 | 146 |
(local time)
SEE WORLD AQI RANKING
US AQI
146
live AQI index
Unhealthy for Sensitive Groups
Overview
What is the current air quality in Guelph?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Unhealthy for Sensitive Groups | 146 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 54µg/m³ | |
| NO2 | 3.8µg/m³ | |
!
PM2.5
x10.8
PM2.5 concentration in Guelph is currently 10.8 times the WHO annual air quality guideline value
Health Recommendations
How to protect from air pollution in Guelph?
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Run an air purifier GET AN AIR PURIFIER |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Reduce outdoor exercise |
Forecast
Guelph air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Sunday, Jun 4 | Unhealthy for Sensitive Groups 113 US AQI | | 73.4°51.8° |  6.7 mp/h |
| Monday, Jun 5 | Unhealthy for Sensitive Groups 121 US AQI |  | 66.2°51.8° | 13.4 mp/h |
| Tuesday, Jun 6 | Unhealthy for Sensitive Groups 108 US AQI |  | 64.4°44.6° | 13.4 mp/h |
| Wednesday, Jun 7 | Unhealthy for Sensitive Groups 146 US AQI |  100% | 62.6°48.2° | 8.9 mp/h |
| Today | Unhealthy for Sensitive Groups 146 US AQI | 60% | 62.6°44.6° | 11.2 mp/h |
| Friday, Jun 9 | Unhealthy for Sensitive Groups 116 US AQI | 40% | 71.6°48.2° | 13.4 mp/h |
| Saturday, Jun 10 | Good 48 US AQI  | 80% | 73.4°53.6° | 6.7 mp/h |
| Sunday, Jun 11 | Moderate 61 US AQI  | 100% | 62.6°55.4° | 17.9 mp/h |
| Monday, Jun 12 | Moderate 61 US AQI | 100% | 62.6°51.8° | 20.1 mp/h |
| Tuesday, Jun 13 | Moderate 58 US AQI | 100% | 68°51.8° | 13.4 mp/h |
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Historical
Historic air quality graph for Guelph
How to best protect from air pollution?
Guelph air quality data attribution
1Contributor
Government
1 Data source
Where is the cleanest air quality in Guelph?
