Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality near Markham Street, Toronto
Air quality index (AQI) and PM2.5 air pollution near Markham Street, Toronto
3.2K people follow this station
Air Quality Map
Real-time Markham Street air pollution map
AIR QUALITY DATA CONTRIBUTORS
Find out more about contributors and data sourcesPollen
What is the pollen count in Markham Street today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather near Markham Street, Toronto?
| Weather | Broken clouds |
| Temperature | 59°F |
| Humidity | 83% |
| Wind | 17.3 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 | London, Ontario | 61 |
| 2 | Oshawa, Ontario | 59 |
| 3 | Quebec City, Quebec | 46 |
| 4 | Montreal, Quebec | 45 |
| 5 | Levis, Quebec | 41 |
| 6 | Lethbridge, Alberta | 40 |
| 7 | Hamilton, Ontario | 37 |
| 8 | Laval, Quebec | 36 |
| 9 | Toronto, Ontario | 36 |
| 10 | St. Albert, Alberta | 35 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live aqi station ranking
Real-time Toronto air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Ursula Franklin Street | 69 |
| 2 | Toronto Downtown | 57 |
| 3 | Ontario Ministry of the Environment Toronto East | 56 |
| 4 | Russell Street | 55 |
| 5 | McLennan Physical Laboratories, Huron Street | 53 |
| 6 | Toronto Downtown 2 | 48 |
| 7 | Greenwood & Danforth | 33 |
| 8 | Spadina Avenue | 33 |
| 9 | Algonquin Island | 32 |
| 10 | 111Pacific Avenue | 29 |
(local time)
SEE WORLD AQI RANKING
US AQI
25
live AQI index
Good
Overview
What is the current air quality near Markham Street, Toronto?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 25 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.1µg/m³ | |
Health Recommendations
What is the current air quality near Markham Street, Toronto?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Markham Street, Toronto air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Thursday, Apr 25 | Good 23 AQI US | |||
| Friday, Apr 26 | Good 24 AQI US | |||
| Saturday, Apr 27 | Moderate 55 AQI US  | |||
| Saturday, Apr 27 | Good 43 AQI US |  100% | 64.4° 51.8° |  8.9 mp/h |
| Today | Good 25 AQI US | 100% | 51.8° 44.6° | 15.7 mp/h |
| Monday, Apr 29 | Good 40 AQI US | 80% | 51.8° 44.6° | 4.5 mp/h |
| Tuesday, Apr 30 | Good 47 AQI US | | 60.8° 44.6° | 6.7 mp/h |
| Wednesday, May 1 | Good 46 AQI US | | 62.6° 51.8° | 6.7 mp/h |
| Thursday, May 2 | Good 50 AQI US | 60% | 57.2° 48.2° | 13.4 mp/h |
| Friday, May 3 | Moderate 61 AQI US | 100% | 55.4° 48.2° | 11.2 mp/h |
| Saturday, May 4 | Good 32 AQI US | 90% | 57.2° 44.6° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Markham Street air quality data attribution
Contributor
Anonymous Contributor
Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Toronto?
- McLennan Physical Laboratories 11
- Campus Walk 2 15
- Ontario Ministry of the Environment Toronto North 22
- Ontario Ministry of the Environment Toronto West 22
- Tweedsmuir Avenue 24
- Markham Street 25
- Pacific & Glenlake 26
- Wolfrey Avenue 26
- Queens Quay West 28
- 111Pacific Avenue 29
- Algonquin Island 32
- Greenwood & Danforth 33
- Spadina Avenue 33
- Toronto Downtown 2 48
- McLennan Physical Laboratories, Huron Street 53
- Russell Street 55
- Ontario Ministry of the Environment Toronto East 56
- Toronto Downtown 57
- Ursula Franklin Street 69
AQI US, Metric