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Air quality in Markham
Air quality index (AQI) and PM2.5 air pollution in Markham
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Markham Air Quality Map
Real-time Markham air pollution map
AIR QUALITY DATA CONTRIBUTORS
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Pollen
What is the pollen count in Markham today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Markham?
| Weather | Broken clouds |
| Temperature | 62.6°F |
| Humidity | 74% |
| Wind | 3 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time Canada city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Oshawa, Ontario | 61 |
| 2 | Kitchener, Ontario | 60 |
| 3 | Burlington, Ontario | 59 |
| 4 | Toronto, Ontario | 59 |
| 5 | Mississauga, Ontario | 57 |
| 6 | Hamilton, Ontario | 56 |
| 7 | Windsor, Ontario | 55 |
| 8 | Waterloo, Ontario | 54 |
| 9 | Oakville, Ontario | 51 |
| 10 | Sherwood Park, Alberta | 40 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Markham aqi ranking
Real-time Markham air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | 118 Risebrough Circuit | 69 |
(local time)
SEE WORLD AQI RANKING
US AQI
68
live AQI index
Moderate
Overview
What is the current air quality in Markham?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 68 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 20µg/m³ | |
!
PM2.5
x4
PM2.5 concentration in Markham is currently 4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Markham?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Markham air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Thursday, Apr 25 | Good 33 AQI US  |  | 51.8° 32° |  13.4 mp/h |
| Friday, Apr 26 | Good 30 AQI US |  | 55.4° 41° | 13.4 mp/h |
| Saturday, Apr 27 | Moderate 56 AQI US | | 64.4° 50° | 8.9 mp/h |
| Today | Moderate 68 AQI US | 90% | 64.4° 50° | 8.9 mp/h |
| Monday, Apr 29 | Good 29 AQI US | 100% | 51.8° 44.6° | 13.4 mp/h |
| Tuesday, Apr 30 | Good 38 AQI US | 100% | 55.4° 46.4° | 8.9 mp/h |
| Wednesday, May 1 | Good 47 AQI US | | 62.6° 42.8° | 8.9 mp/h |
| Thursday, May 2 | Moderate 58 AQI US | | 66.2° 48.2° | 6.7 mp/h |
| Friday, May 3 | Moderate 59 AQI US | 100% | 64.4° 53.6° | 6.7 mp/h |
| Saturday, May 4 | Good 48 AQI US | 100% | 73.4° 59° | 11.2 mp/h |
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News
The latest air quality news and resources.
Markham air quality data attribution
1Contributor
- 1 Anonymous contributor
1 station
Anonymous Contributor
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Markham?
AQI US, Metric