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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 | Moderate | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Markham?
| Weather | Broken clouds |
| Temperature | 73.4°F |
| Humidity | 89% |
| Wind | 15 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Yosemite Np Turtleback Dome, California | 167 |
| 2 | Boerne, Texas | 91 |
| 3 | San Antonio, Texas | 85 |
| 4 | New Braunfels, Texas | 66 |
| 5 | Palm Desert, California | 61 |
| 6 | Leander, Texas | 60 |
| 7 | Charleston, West Virginia | 59 |
| 8 | Fort Worth, Texas | 59 |
| 9 | Georgetown, Texas | 59 |
| 10 | Braddock, Pennsylvania | 58 |
(local time)
SEE WORLD AQI RANKING
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US AQI
40*
live AQI index
Good
Overview
What is the current air quality in Markham?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 40* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9.6*µg/m³ | |
!
PM2.5
x1.9
PM2.5 concentration in Markham is currently 1.9 times the WHO annual air quality guideline value
Forecast
Markham air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 40 AQI US |  90% | 82.4° 71.6° |  20.1 mp/h |
| Monday, Apr 29 | Good 38 AQI US | 60% | 84.2° 73.4° | 11.2 mp/h |
| Tuesday, Apr 30 | Good 37 AQI US | 90% | 84.2° 71.6° | 13.4 mp/h |
| Wednesday, May 1 | Good 45 AQI US | | 84.2° 73.4° | 17.9 mp/h |
| Thursday, May 2 | Moderate 59 AQI US  | | 82.4° 73.4° | 17.9 mp/h |
| Friday, May 3 | Moderate 66 AQI US | 60% | 84.2° 71.6° | 11.2 mp/h |
| Saturday, May 4 | Moderate 70 AQI US | 40% | 82.4° 68° | 13.4 mp/h |
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Where is the cleanest air quality in Markham?
No locations are available.
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AQI US, Metric