Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Saint John
Air quality index (AQI) and PM2.5 air pollution in Saint John
503 people follow this city
Saint John Air Quality Map
Real-time Saint John air pollution map
AIR QUALITY DATA CONTRIBUTORS
Anonymous contributor
See all
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 | 57.2°F |
| Humidity | 76% |
| Wind | 6.8 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Edmundston, New Brunswick | 61 |
| 2 | Kitchener, Ontario | 60 |
| 3 | Waterloo, Ontario | 58 |
| 4 | London, Ontario | 55 |
| 5 | Hamilton, Ontario | 52 |
| 6 | Rouyn-Noranda, Quebec | 48 |
| 7 | Winnipeg, Manitoba | 46 |
| 8 | Montreal, Quebec | 45 |
| 9 | Mississauga, Ontario | 43 |
| 10 | Valemount, British Columbia | 43 |
(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 | Holland Street | 40 |
| 2 | Castle St. Saint Jo | 34 |
(local time)
SEE WORLD AQI RANKING
US AQI
36
live AQI index
Good
Overview
What is the current air quality in Saint John?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 36 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.6µg/m³ | |
| O3 | 66µg/m³ | |
| NO2 | 15.8µg/m³ | |
!
PM2.5
x1.3
PM2.5 concentration in Saint John is currently 1.3 times 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 |
|---|---|---|---|---|
| Tuesday, May 14 | Good 30 AQI US | | 62.6° 44.6° |  6.7 mp/h |
| Wednesday, May 15 | Good 41 AQI US |  | 66.2° 46.4° | 4.5 mp/h |
| Thursday, May 16 | Good 27 AQI US |  | 68° 50° | 11.2 mp/h |
| Today | Good 36 AQI US | 40% | 62.6° 46.4° | 11.2 mp/h |
| Saturday, May 18 | Good 13 AQI US | 70% | 51.8° 48.2° | 8.9 mp/h |
| Sunday, May 19 | Good 16 AQI US | | 62.6° 44.6° | 6.7 mp/h |
| Monday, May 20 | Good 16 AQI US | 30% | 62.6° 46.4° | 8.9 mp/h |
| Tuesday, May 21 | Good 48 AQI US | 80% | 62.6° 48.2° | 6.7 mp/h |
| Wednesday, May 22 | Moderate 61 AQI US  | 40% | 59° 48.2° | 15.7 mp/h |
| Thursday, May 23 | Moderate 63 AQI US |  | 62.6° 48.2° | 13.4 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Saint John air quality data attribution
1Contributor
- 1 Anonymous contributor
1 station
Anonymous Contributor
Data validated and calibrated by IQAirWhere is the cleanest air quality in Saint John?
AQI US, Metric