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Air quality in Thunder Bay
Air quality index (AQI) and PM2.5 air pollution in Thunder Bay
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Thunder Bay Air Quality Map
Real-time Thunder Bay air pollution map
AIR QUALITY DATA CONTRIBUTORS
2 Contributors
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Pollen
What is the pollen count in Thunder Bay today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Thunder Bay?
| Weather | Scattered clouds |
| Temperature | 44.6°F |
| Humidity | 79% |
| Wind | 4.5 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Brampton, Ontario | 143 |
| 2 | Guelph, Ontario | 119 |
| 3 | Oakville, Ontario | 118 |
| 4 | Hamilton, Ontario | 106 |
| 5 | Burlington, Ontario | 83 |
| 6 | Windsor, Ontario | 73 |
| 7 | Kitchener, Ontario | 72 |
| 8 | Toronto, Ontario | 72 |
| 9 | Mississauga, Ontario | 64 |
| 10 | Maniwaki, Quebec | 60 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Thunder Bay aqi ranking
Real-time Thunder Bay air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Ontario Ministry of the Environment Thunder Bay | 33 |
| 2 | Bears' Cave | 30 |
| 3 | Simon Fraser Drive | 24 |
(local time)
SEE WORLD AQI RANKING
US AQI
27
live AQI index
Good
Overview
What is the current air quality in Thunder Bay?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 27 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.9µg/m³ | |
✓
PM2.5 concentration in Thunder Bay air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Thunder Bay?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Thunder Bay air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, May 31 | Good 29 AQI US |  | 57.2° 50° |  6.7 mp/h |
| Saturday, Jun 1 | Good 32 AQI US |  | 64.4° 46.4° | 11.2 mp/h |
| Sunday, Jun 2 | Good 34 AQI US | | 51.8° 44.6° | 6.7 mp/h |
| Today | Good 27 AQI US | 100% | 51.8° 44.6° | 6.7 mp/h |
| Tuesday, Jun 4 | Moderate 52 AQI US  | 90% | 57.2° 50° | 6.7 mp/h |
| Wednesday, Jun 5 | Good 31 AQI US | 100% | 59° 46.4° | 8.9 mp/h |
| Thursday, Jun 6 | Good 7 AQI US | 80% | 57.2° 48.2° | 11.2 mp/h |
| Friday, Jun 7 | Good 10 AQI US | 70% | 57.2° 48.2° | 13.4 mp/h |
| Saturday, Jun 8 | Good 17 AQI US | 60% | 62.6° 50° | 13.4 mp/h |
| Sunday, Jun 9 | Good 19 AQI US | 50% | 60.8° 50° | 11.2 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Thunder Bay air quality data attribution
2Contributors
- AirGradient
1 station
Corporate Contributor
- 1 Anonymous contributor
1 station
Anonymous Contributor
3 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in Thunder Bay?
AQI US, Metric