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Air quality in St. Thomas
Air quality index (AQI) and PM2.5 air pollution in St. Thomas
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St. Thomas Air Quality Map
Real-time St. Thomas air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in St. Thomas today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in St. Thomas?
| Weather | Broken clouds |
| Temperature | 60.8°F |
| Humidity | 87% |
| Wind | 1.6 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Hamilton, Ontario | 114 |
| 2 | Brampton, Ontario | 108 |
| 3 | Windsor, Ontario | 97 |
| 4 | Oakville, Ontario | 77 |
| 5 | Guelph, Ontario | 73 |
| 6 | Kitchener, Ontario | 73 |
| 7 | Saguenay, Quebec | 66 |
| 8 | Maniwaki, Quebec | 64 |
| 9 | Mississauga, Ontario | 64 |
| 10 | Burlington, Ontario | 63 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
59*
live AQI index
Moderate
Overview
What is the current air quality in St. Thomas?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 59* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.5*µg/m³ | |
!
PM2.5
x2.7
PM2.5 concentration in St. Thomas is currently 2.7 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in St. Thomas?
 | 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
St. Thomas air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 59 AQI US | | 73.4° 55.4° |  6.7 mp/h |
| Tuesday, Jun 4 | Moderate 58 AQI US | | 77° 57.2° | 6.7 mp/h |
| Wednesday, Jun 5 | Moderate 57 AQI US | | 73.4° 60.8° | 11.2 mp/h |
| Thursday, Jun 6 | Good 35 AQI US  |  100% | 71.6° 60.8° | 13.4 mp/h |
| Friday, Jun 7 | Good 11 AQI US | 90% | 60.8° 50° | 13.4 mp/h |
| Saturday, Jun 8 | Good 31 AQI US | 80% | 64.4° 51.8° | 13.4 mp/h |
| Sunday, Jun 9 | Good 48 AQI US | 40% | 69.8° 53.6° | 8.9 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in St. Thomas?
No locations are available.
AQI US, Metric