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Air quality near Castle St. Saint Jo, Saint John
Air quality index (AQI) and PM2.5 air pollution near Castle St. Saint Jo, Saint John
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Air Quality Map
Real-time Castle St. Saint Jo air pollution map
AIR QUALITY DATA CONTRIBUTORS
Station operated by
Unidentified Contributor
Government
Pollen
What is the pollen count in Castle St. Saint Jo today?
 | Index | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near Castle St. Saint Jo, Saint John?
| Weather | Broken clouds |
| Temperature | 59°F |
| Humidity | 77% |
| Wind | 4.8 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Guelph, Ontario | 64 |
| 2 | Laval, Quebec | 56 |
| 3 | Windsor, Ontario | 55 |
| 4 | Gatineau, Quebec | 54 |
| 5 | Ottawa, Ontario | 54 |
| 6 | Hamilton, Ontario | 53 |
| 7 | Brampton, Ontario | 52 |
| 8 | Sherbrooke, Quebec | 51 |
| 9 | La Tuque, Quebec | 49 |
| 10 | Mississauga, Ontario | 49 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live aqi station ranking
Real-time Saint John air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Castle St. Saint Jo | 22 |
| 2 | Douglas Ave | 19 |
| 3 | Holland Street | 15 |
(local time)
SEE WORLD AQI RANKING
US AQI
22
live AQI index
Good
Overview
What is the current air quality near Castle St. Saint Jo, Saint John?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 22 US AQI | O3 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.3µg/m³ | |
| O3 | 54.2µg/m³ | |
| NO2 | 14.5µg/m³ | |
Health Recommendations
What is the current air quality near Castle St. Saint Jo, Saint John?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Castle St. Saint Jo, Saint John air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, May 31 | Good 19 AQI US | |||
| Saturday, Jun 1 | Good 18 AQI US | |||
| Sunday, Jun 2 | Good 20 AQI US | |||
| Sunday, Jun 2 | Good 22 AQI US |  100% | 60.8° 50° |  6.7 mp/h |
| Today | Good 22 AQI US | | 66.2° 50° | 6.7 mp/h |
| Tuesday, Jun 4 | Good 23 AQI US | | 68° 50° | 8.9 mp/h |
| Wednesday, Jun 5 | Good 50 AQI US | 40% | 66.2° 50° | 6.7 mp/h |
| Thursday, Jun 6 | Good 50 AQI US |  | 69.8° 50° | 6.7 mp/h |
| Friday, Jun 7 | Good 40 AQI US | | 69.8° 48.2° | 8.9 mp/h |
| Saturday, Jun 8 | Good 17 AQI US | 100% | 57.2° 48.2° | 11.2 mp/h |
| Sunday, Jun 9 | Good 31 AQI US | 100% | 59° 50° | 8.9 mp/h |
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News
The latest air quality news and resources.
Castle St. Saint Jo air quality data attribution
Contributor
Unidentified Contributor
1 station
Government Contributor
Data source
Where is the cleanest air quality in Saint John?
AQI US, Metric