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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
Pollen
What is the pollen count in Markham today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Markham?
| Weather | Broken clouds |
| Temperature | 53.6°F |
| Humidity | 88% |
| Wind | 8.1 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 86 |
| 2 | Palm Desert, California | 86 |
| 3 | Casa Grande, Arizona | 81 |
| 4 | Fort Myers, Florida | 71 |
| 5 | Pahrump, Nevada | 66 |
| 6 | North Hollywood, California | 65 |
| 7 | Conway, South Carolina | 64 |
| 8 | Yucaipa, California | 63 |
| 9 | Corpus Christi, Texas | 62 |
| 10 | La Habra, California | 60 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
39*
live AQI index
Good
Overview
What is the current air quality in Markham?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 39* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 7.1*µg/m³ | |
!
PM2.5
x1.4
PM2.5 concentration in Markham is currently 1.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Markham?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Markham air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 39 AQI US |  60% | 66.2° 53.6° |  11.2 mp/h |
| Thursday, May 30 | Good 17 AQI US |  | 69.8° 50° | 6.7 mp/h |
| Friday, May 31 | Good 26 AQI US | | 73.4° 53.6° | 6.7 mp/h |
| Saturday, Jun 1 | Good 43 AQI US | 100% | 62.6° 57.2° | 11.2 mp/h |
| Sunday, Jun 2 | Moderate 78 AQI US  | | 69.8° 55.4° | 11.2 mp/h |
| Monday, Jun 3 | Moderate 79 AQI US | | 77° 57.2° | 6.7 mp/h |
| Tuesday, Jun 4 | Moderate 80 AQI US | 50% | 77° 66.2° | 11.2 mp/h |
Interested in hourly forecast? Get the app
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