City report · Ontario, Canada
Etobicoke Air quality today
Air quality in Etobicoke currently reads AQI 53 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 53
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 10.0
- tree cover
- 36.3%
- trees in this area
- 114K
- more trees needed
- 0
Measured across a 2 km radius around Etobicoke West Mall, Etobicoke, ON, Canada (12.57 km²), from a satellite image of Aug 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Etobicoke · AQI 53 (Moderate)
Etobicoke's tree count comes to 114,040 trees across 12.57 km², already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Etobicoke today: AQI 53, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 11:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Toronto West, 7.6 km away
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
10.0
PM10
—
NO₂
50.8
O₃
15.7
SO₂
0.0
CO
0.0
Data: OpenAQ · AirNow
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Etobicoke's daily AQI at 30 on average, from 14 on Nov 9 to an hourly peak of 54 on Nov 4.
This is the US EPA AQI. How it differs from Canada's AQHI
Where Etobicoke stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Etobicoke: Healthy tree cover
36.3% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
114,040
Target trees
114,040
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Etobicoke lost?
Since 2001, the area within 10 km of Etobicoke has lost about 16 hectares of forest (about 22 football pitches): under 1% of the forest it had in 2000. Most of it (53%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from September 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 16 haabout 22 football pitches
- Share of its forest
- under 1%of what there was in 2000
- Cleared for good
- 8 hadeforestation: turned into farms, mines or towns
The worst year was 2001, when about 2 hectares of forest were lost.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 2 ha | under 1 ha | 2 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | 1 ha | under 1 ha | 2 ha |
| 2005 | under 1 ha | under 1 ha | 1 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | under 1 ha | 2 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | 1 ha |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Etobicoke?
- Towns and roadscleared for good54% · 8 ha
- Unknown causescause unknown47% · 7 ha
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
Forest gained and lost, 2000–2020
- Forest in 2000
- 8,140 ha
- Forest in 2020
- 8,230 ha
- Overall change
- +84 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Etobicoke stayed about the same size, at about 8,230 hectares: new forest grew on about 156 hectares, and about 72 hectares were lost.
These 2000 and 2020 maps, from the University of Maryland, count any land with trees taller than 5 m as forest, including plantations and orchards. Forest that was cut or burned and had grown back by 2020 counts in both years, so the loss here is smaller than the yearly figures.
These figures cover everything within 10 km of the city center, a wider area than the report above, because forest is usually lost at a city's edges.
Source: Hansen/UMD/Google/USGS/NASA, Global Forest Change (GFC-2025-v1.13); causes: WRI/Google DeepMind drivers of forest loss; both CC BY 4.0, summed by Airleaf for each area. Forest gained and lost 2000–2020: Potapov et al. 2022, UMD GLAD Global Land Cover and Land Use Change, CC BY 4.0. Images: contains modified Copernicus Sentinel data. How it's measured
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Frequently asked
Questions about Etobicoke
What is the air quality (AQI) in Etobicoke right now?
The latest reading for Etobicoke shows an AQI of 53 (Moderate), measured Nov 11, 11:00 local time by the Toronto West ground monitoring station, 7.6 km away, via OpenAQ. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Etobicoke today?
At AQI 53 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Etobicoke been like this week?
Over the last 7 days, the CAMS air-quality model put Etobicoke's daily AQI at 30 on average, from 14 on Nov 9 to an hourly peak of 54 on Nov 4. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
Is Etobicoke's AQI the same as Canada's AQHI?
No. Airleaf shows the US EPA Air Quality Index (AQI), the scale used by IQAir and most air-quality apps. Canada's Air Quality Health Index (AQHI), from Environment and Climate Change Canada, runs from 1 to 10 and above: 1–3 low risk, 4–6 moderate, 7–10 high and over 10 very high. It combines ozone, nitrogen dioxide and fine particles into one health-risk number, so it isn't a converted AQI, and the two can move differently, especially in wildfire smoke.
How much forest has the area around Etobicoke lost since 2001?
Since 2001, the area within 10 km of Etobicoke has lost about 16 hectares of forest (about 22 football pitches): under 1% of the forest it had in 2000. Most of it (53%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Etobicoke stayed about the same size, at about 8,230 hectares: new forest grew on about 156 hectares, and about 72 hectares were lost.
What is the tree count in Etobicoke?
Etobicoke has an estimated 114,040 trees across the 12.57 km² measured — 36.3% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Etobicoke need?
Etobicoke has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Etobicoke's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Etobicoke West Mall, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 2 km radius around Etobicoke West Mall; the tree count is an estimate derived from that cover.
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