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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 | None | |
 | Tree pollen | None | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Markham?
| Weather | Clear sky |
| Temperature | 53.6°F |
| Humidity | 55% |
| Wind | 6.9 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Indio, California | 119 |
| 2 | Palm Desert, California | 118 |
| 3 | Coachella, California | 79 |
| 4 | Corpus Christi, Texas | 71 |
| 5 | Casa Grande, Arizona | 70 |
| 6 | Pahrump, Nevada | 68 |
| 7 | Anchorage, Alaska | 63 |
| 8 | Denver, Colorado | 60 |
| 9 | Jacksonville, Florida | 60 |
| 10 | Boulder, Colorado | 58 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
27*
live AQI index
Good
Overview
What is the current air quality in Markham?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 27* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6.4*µg/m³ | |
!
PM2.5
x1.3
PM2.5 concentration in Markham is currently 1.3 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 27 AQI US |  | 55.4° 35.6° |  6.7 mp/h |
| Friday, Apr 26 | Good 29 AQI US |  100% | 62.6° 41° | 17.9 mp/h |
| Saturday, Apr 27 | Moderate 56 AQI US  | 100% | 77° 59° | 17.9 mp/h |
| Sunday, Apr 28 | Moderate 57 AQI US | 100% | 77° 64.4° | 17.9 mp/h |
| Monday, Apr 29 | Moderate 53 AQI US | 100% | 68° 59° | 13.4 mp/h |
| Tuesday, Apr 30 | Good 9 AQI US | | 77° 53.6° | 11.2 mp/h |
| Wednesday, May 1 | Good 9 AQI US | 80% | 71.6° 57.2° | 8.9 mp/h |
Interested in hourly forecast? Get the app
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