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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 | 71.6°F |
| Humidity | 93% |
| Wind | 7 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 164 |
| 2 | Indio, California | 124 |
| 3 | Tallahassee, Florida | 83 |
| 4 | Pahrump, Nevada | 70 |
| 5 | Conway, South Carolina | 65 |
| 6 | Decatur, Georgia | 61 |
| 7 | Gary, Indiana | 61 |
| 8 | Ocala, Florida | 61 |
| 9 | Hammond, Indiana | 60 |
| 10 | Marietta, Georgia | 60 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
37*
live AQI index
Good
Overview
What is the current air quality in Markham?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 37* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9*µg/m³ | |
!
PM2.5
x1.8
PM2.5 concentration in Markham is currently 1.8 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 37 AQI US | | 82.4° 68° |  17.9 mp/h |
| Friday, Apr 26 | Good 36 AQI US | | 80.6° 71.6° | 17.9 mp/h |
| Saturday, Apr 27 | Good 38 AQI US | | 82.4° 71.6° | 22.4 mp/h |
| Sunday, Apr 28 | Good 37 AQI US |  70% | 78.8° 71.6° | 17.9 mp/h |
| Monday, Apr 29 | Moderate 59 AQI US  | 30% | 82.4° 71.6° | 13.4 mp/h |
| Tuesday, Apr 30 | Moderate 60 AQI US | 40% | 84.2° 71.6° | 13.4 mp/h |
| Wednesday, May 1 | Moderate 75 AQI US | | 82.4° 69.8° | 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