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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 | 57.2°F |
| Humidity | 78% |
| Wind | 5.7 mp/h |
| Pressure | 29.5 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Corpus Christi, Texas | 91 |
| 2 | Port Arthur, Texas | 69 |
| 3 | Hot Springs, South Dakota | 68 |
| 4 | Aliso Viejo, California | 67 |
| 5 | La Habra, California | 65 |
| 6 | Rapid City, South Dakota | 65 |
| 7 | Yucaipa, California | 64 |
| 8 | Anaheim, California | 62 |
| 9 | Hollywood, California | 61 |
| 10 | Mecca, California | 61 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
10*
live AQI index
Good
Overview
What is the current air quality in Markham?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 10* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 1.8*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 10 AQI US |  90% | 66.2° 50° |  15.7 mp/h |
| Saturday, May 11 | Good 27 AQI US | 90% | 75.2° 51.8° | 11.2 mp/h |
| Sunday, May 12 | Good 39 AQI US | 100% | 64.4° 59° | 8.9 mp/h |
| Monday, May 13 | Good 45 AQI US | 100% | 59° 48.2° | 13.4 mp/h |
| Tuesday, May 14 | Good 11 AQI US |  | 60.8° 46.4° | 8.9 mp/h |
| Wednesday, May 15 | Good 15 AQI US | 70% | 68° 48.2° | 8.9 mp/h |
| Thursday, May 16 | Good 32 AQI US | 100% | 60.8° 55.4° | 11.2 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