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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 SOURCE
* AQI modeled using satellite data Learn more
Weather
What is the current weather in Markham?
| Weather | Clear sky |
| Temperature | 71.6°F |
| Humidity | 73% |
| Wind | 6.9 mp/h |
| Pressure | 29.6 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Indio, California | 108 |
| 2 | Mecca, California | 95 |
| 3 | The Woodlands, Texas | 94 |
| 4 | Wichita, Kansas | 87 |
| 5 | Channelview, Texas | 84 |
| 6 | Galena Park, Texas | 77 |
| 7 | Coachella, California | 75 |
| 8 | Houston, Texas | 74 |
| 9 | Chester, Pennsylvania | 73 |
| 10 | Baytown, Texas | 72 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
60*
live AQI index
Moderate
Overview
What is the current air quality in Markham?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 60* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 14*µg/m³ | |
!
PM2.5
x2.8
PM2.5 concentration in Markham is currently 2.8 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 |
|---|---|---|---|---|
| Today | Moderate 60 AQI US |  80% | 75.2° 60.8° |  8.9 mp/h |
| Sunday, May 19 | Moderate 69 AQI US | 90% | 84.2° 60.8° | 13.4 mp/h |
| Monday, May 20 | Moderate 67 AQI US | 100% | 86° 64.4° | 26.8 mp/h |
| Tuesday, May 21 | Moderate 56 AQI US | 100% | 73.4° 60.8° | 15.7 mp/h |
| Wednesday, May 22 | Good 12 AQI US  |  | 69.8° 53.6° | 8.9 mp/h |
| Thursday, May 23 | Good 15 AQI US | | 75.2° 55.4° | 11.2 mp/h |
| Friday, May 24 | Moderate 55 AQI US | 100% | 78.8° 59° | 20.1 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Markham?
No locations are available.
AQI US, Metric