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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 | Broken clouds |
| Temperature | 64.4°F |
| Humidity | 91% |
| Wind | 8.1 mp/h |
| Pressure | 29.6 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Boerne, Texas | 96 |
| 2 | Austin, Texas | 87 |
| 3 | New Braunfels, Texas | 84 |
| 4 | San Antonio, Texas | 81 |
| 5 | Georgetown, Texas | 79 |
| 6 | Cedar Park, Texas | 77 |
| 7 | Round Rock, Texas | 73 |
| 8 | Pahrump, Nevada | 71 |
| 9 | Leander, Texas | 70 |
| 10 | San Fernando, California | 70 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
52*
live AQI index
Moderate
Overview
What is the current air quality in Markham?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 52* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9.8*µg/m³ | |
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PM2.5
x2
PM2.5 concentration in Markham is currently 2 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 |
|---|---|---|---|---|
| Today | Moderate 52 AQI US | | 75.2° 59° |  6.7 mp/h |
| Sunday, Jun 2 | Moderate 66 AQI US |  100% | 82.4° 60.8° | 13.4 mp/h |
| Monday, Jun 3 | Moderate 63 AQI US | 100% | 86° 69.8° | 13.4 mp/h |
| Tuesday, Jun 4 | Good 48 AQI US  | 100% | 80.6° 68° | 11.2 mp/h |
| Wednesday, Jun 5 | Good 14 AQI US | 40% | 73.4° 62.6° | 15.7 mp/h |
| Thursday, Jun 6 | Good 8 AQI US | 90% | 75.2° 57.2° | 13.4 mp/h |
| Friday, Jun 7 | Good 10 AQI US | 70% | 64.4° 59° | 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