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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 | Clear sky |
| Temperature | 69.8°F |
| Humidity | 59% |
| Wind | 12.7 mp/h |
| Pressure | 29.6 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Maricopa, Arizona | 76 |
| 2 | Mecca, California | 76 |
| 3 | Cleveland, Ohio | 71 |
| 4 | Pahrump, Nevada | 70 |
| 5 | New York City, New York | 68 |
| 6 | Corpus Christi, Texas | 62 |
| 7 | Casa Grande, Arizona | 61 |
| 8 | San Fernando, California | 61 |
| 9 | Lubbock, Texas | 60 |
| 10 | Indio, California | 59 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
21*
live AQI index
Good
Overview
What is the current air quality in Markham?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 21* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.1*µg/m³ | |
✓
PM2.5 concentration in Markham air currently meets 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 21 AQI US |  50% | 71.6° 59° |  13.4 mp/h |
| Thursday, May 2 | Good 37 AQI US | 70% | 75.2° 55.4° | 11.2 mp/h |
| Friday, May 3 | Good 34 AQI US | 100% | 68° 53.6° | 8.9 mp/h |
| Saturday, May 4 | Good 26 AQI US | 100% | 75.2° 50° | 6.7 mp/h |
| Sunday, May 5 | Good 44 AQI US |  | 62.6° 51.8° | 8.9 mp/h |
| Monday, May 6 | Good 39 AQI US |  | 73.4° 50° | 8.9 mp/h |
| Tuesday, May 7 | Moderate 72 AQI US  | 100% | 82.4° 62.6° | 15.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Markham?
No locations are available.
AQI US, Metric