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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 | 73.4°F |
| Humidity | 93% |
| Wind | 0 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Corpus Christi, Texas | 85 |
| 2 | Casa Grande, Arizona | 68 |
| 3 | Calexico, California | 66 |
| 4 | Fort Myers, Florida | 66 |
| 5 | Lubbock, Texas | 65 |
| 6 | Pahrump, Nevada | 64 |
| 7 | Yucaipa, California | 61 |
| 8 | San Fernando, California | 58 |
| 9 | Yucca Valley, California | 58 |
| 10 | Ocala, Florida | 57 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
55*
live AQI index
Moderate
Overview
What is the current air quality in Markham?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 55* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.3*µg/m³ | |
!
PM2.5
x2.3
PM2.5 concentration in Markham is currently 2.3 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 |
|---|---|---|---|---|
| Wednesday, May 29 | Moderate 53 AQI US |  80% | 91.4° 68° |  17.9 mp/h |
| Thursday, May 30 | Moderate 53 AQI US |  | 89.6° 75.2° | 15.7 mp/h |
| Friday, May 31 | Moderate 53 AQI US | | 89.6° 77° | 17.9 mp/h |
| Saturday, Jun 1 | Moderate 53 AQI US | 40% | 91.4° 77° | 13.4 mp/h |
| Sunday, Jun 2 | Moderate 60 AQI US | | 89.6° 77° | 17.9 mp/h |
| Monday, Jun 3 | Moderate 63 AQI US | | 91.4° 78.8° | 17.9 mp/h |
| Tuesday, Jun 4 | Moderate 65 AQI US | | 91.4° 78.8° | 17.9 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