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Air quality in Saint John
Air quality index (AQI) and PM2.5 air pollution in Saint John
515 people follow this city
Saint John Air Quality Map
Real-time Saint John air pollution map
AIR QUALITY DATA CONTRIBUTORS
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Pollen
What is the pollen count in Saint John today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Saint John?
| Weather | Broken clouds |
| Temperature | 53.6°F |
| Humidity | 63% |
| Wind | 8.6 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Hamilton, Ontario | 56 |
| 2 | Guelph, Ontario | 52 |
| 3 | Burlington, Ontario | 51 |
| 4 | Oshawa, Ontario | 51 |
| 5 | Windsor, Ontario | 51 |
| 6 | La Tuque, Quebec | 50 |
| 7 | Saint-Bruno-de-Montarville, Quebec | 48 |
| 8 | Laval, Quebec | 46 |
| 9 | Rouyn-Noranda, Quebec | 45 |
| 10 | Sault Ste Marie, Ontario | 44 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Saint John aqi ranking
Real-time Saint John air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Castle St. Saint Jo | 24 |
| 2 | Holland Street | 19 |
| 3 | Douglas Ave | 3 |
(local time)
SEE WORLD AQI RANKING
US AQI
11
live AQI index
Good
Overview
What is the current air quality in Saint John?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 11 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2µg/m³ | |
| PM10 | 0.5µg/m³ | |
✓
PM2.5 concentration in Saint John air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Saint John?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Saint John air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 29 | Good 22 AQI US | | 64.4° 46.4° |  6.7 mp/h |
| Thursday, May 30 | Good 28 AQI US |  | 64.4° 44.6° | 13.4 mp/h |
| Friday, May 31 | Good 20 AQI US |  | 55.4° 41° | 11.2 mp/h |
| Today | Good 11 AQI US | 40% | 55.4° 41° | 11.2 mp/h |
| Sunday, Jun 2 | Good 10 AQI US | 80% | 68° 41° | 11.2 mp/h |
| Monday, Jun 3 | Good 12 AQI US | 100% | 60.8° 48.2° | 8.9 mp/h |
| Tuesday, Jun 4 | Good 14 AQI US | 20% | 66.2° 50° | 6.7 mp/h |
| Wednesday, Jun 5 | Good 17 AQI US |  | 69.8° 50° | 6.7 mp/h |
| Thursday, Jun 6 | Good 34 AQI US | | 66.2° 51.8° | 8.9 mp/h |
| Friday, Jun 7 | Good 45 AQI US | 30% | 57.2° 48.2° | 6.7 mp/h |
| Saturday, Jun 8 | Moderate 53 AQI US  | 80% | 68° 51.8° | 8.9 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Saint John 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 Saint John?
AQI US, Metric