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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in St. Thomas?
| Weather | Broken clouds |
| Temperature | 64.4°F |
| Humidity | 88% |
| Wind | 10 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Toronto, Ontario | 69 |
| 2 | Oshawa, Ontario | 64 |
| 3 | Mississauga, Ontario | 58 |
| 4 | Windsor, Ontario | 55 |
| 5 | Burlington, Ontario | 53 |
| 6 | Hamilton, Ontario | 51 |
| 7 | London, Ontario | 43 |
| 8 | Oakville, Ontario | 42 |
| 9 | Montreal, Quebec | 37 |
| 10 | Gatineau, Quebec | 35 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
44*
live AQI index
Good
Overview
What is the current air quality in St. Thomas?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 44* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.6*µg/m³ | |
!
PM2.5
x2.1
PM2.5 concentration in St. Thomas is currently 2.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in St. Thomas?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
St. Thomas air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 44 AQI US |  100% | 66.2° 55.4° |  13.4 mp/h |
| Monday, Apr 29 | Good 43 AQI US | 100% | 68° 53.6° | 11.2 mp/h |
| Tuesday, Apr 30 | Good 34 AQI US | 90% | 66.2° 51.8° | 8.9 mp/h |
| Wednesday, May 1 | Good 36 AQI US | | 62.6° 46.4° | 8.9 mp/h |
| Thursday, May 2 | Good 50 AQI US | | 69.8° 53.6° | 6.7 mp/h |
| Friday, May 3 | Moderate 58 AQI US  | 90% | 71.6° 53.6° | 11.2 mp/h |
| Saturday, May 4 | Good 33 AQI US | 100% | 62.6° 46.4° | 17.9 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in St. Thomas?
No locations are available.
AQI US, Metric