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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 | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Markham?
| Weather | Clear sky |
| Temperature | 55.4°F |
| Humidity | 76% |
| Wind | 3.4 mp/h |
| Pressure | 29.7 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 81 |
| 2 | Pahrump, Nevada | 81 |
| 3 | Palm Desert, California | 76 |
| 4 | Birmingham, Alabama | 75 |
| 5 | Corpus Christi, Texas | 73 |
| 6 | Coachella, California | 71 |
| 7 | Campo, California | 68 |
| 8 | San Fernando, California | 68 |
| 9 | North Hollywood, California | 67 |
| 10 | Boerne, Texas | 66 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
41*
live AQI index
Good
Overview
What is the current air quality in Markham?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 41* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 7.4*µg/m³ | |
!
PM2.5
x1.5
PM2.5 concentration in Markham is currently 1.5 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 41 AQI US |  | 77° 55.4° |  4.5 mp/h |
| Friday, May 24 | Moderate 58 AQI US  |  100% | 77° 62.6° | 13.4 mp/h |
| Saturday, May 25 | Good 36 AQI US |  | 73.4° 55.4° | 8.9 mp/h |
| Sunday, May 26 | Good 38 AQI US | 100% | 69.8° 55.4° | 11.2 mp/h |
| Monday, May 27 | Moderate 70 AQI US | 40% | 69.8° 60.8° | 6.7 mp/h |
| Tuesday, May 28 | Good 17 AQI US | 100% | 66.2° 55.4° | 15.7 mp/h |
| Wednesday, May 29 | Good 8 AQI US |  | 60.8° 53.6° | 15.7 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