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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 | Very high | |
 | Tree pollen | High | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Markham?
| Weather | Scattered clouds |
| Temperature | 69.8°F |
| Humidity | 95% |
| Wind | 4.6 mp/h |
| Pressure | 29.7 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Palm Desert, California | 163 |
| 2 | Coachella, California | 91 |
| 3 | Mecca, California | 86 |
| 4 | Shreveport, Louisiana | 84 |
| 5 | Yucaipa, California | 78 |
| 6 | Baton Rouge, Louisiana | 77 |
| 7 | Blaine, Minnesota | 77 |
| 8 | Saint Paul, Minnesota | 77 |
| 9 | Rochester, Minnesota | 71 |
| 10 | Palm Springs, California | 70 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
50*
live AQI index
Good
Overview
What is the current air quality in Markham?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 50* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9*µg/m³ | |
!
PM2.5
x1.8
PM2.5 concentration in Markham is currently 1.8 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 50 AQI US |  90% | 87.8° 69.8° |  15.7 mp/h |
| Friday, May 17 | Moderate 64 AQI US  | 100% | 87.8° 69.8° | 15.7 mp/h |
| Saturday, May 18 | Moderate 66 AQI US | | 89.6° 68° | 6.7 mp/h |
| Sunday, May 19 | Moderate 68 AQI US |  | 91.4° 69.8° | 11.2 mp/h |
| Monday, May 20 | Moderate 65 AQI US | | 87.8° 71.6° | 11.2 mp/h |
| Tuesday, May 21 | Moderate 61 AQI US |  | 87.8° 75.2° | 17.9 mp/h |
| Wednesday, May 22 | Moderate 62 AQI US | | 87.8° 73.4° | 13.4 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