City report · Quebec, Canada
Rivière-des-Prairies–Pointe-aux-Trembles Air quality today
Air quality in Rivière-des-Prairies–Pointe-aux-Trembles currently reads AQI 19 (Good): Air quality is satisfactory for everyone.
AQI 19
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 2.8
- tree cover
- 26.3%
- trees in this area
- 69.7K
- more trees needed
- 9.8K
Measured across a 2 km radius around Riviere-des-Prairies—Pointe-aux-Trembles, Montreal, QC, Canada (12.57 km²), from a satellite image of Sep 11, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Rivière-des-Prairies–Pointe-aux-Trembles · AQI 19 (Good)
Rivière-des-Prairies–Pointe-aux-Trembles's tree count comes to 69,652 trees across 10.6 km² of land, 4 points below the 30% tree-cover level considered healthy for this area, so roughly 9,799 more trees would close the gap.
Air quality detail
Air quality in Rivière-des-Prairies–Pointe-aux-Trembles today: AQI 19, Good
Main pollutant: Ozone · Observed Nov 11, 12:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Saint-Jean-Baptiste, 6.6 km away · median of 2 stations
Health signal
Air quality is satisfactory for everyone.
PM2.5
2.8
PM10
—
NO₂
2.3
O₃
39.3
SO₂
8.4
CO
114.6
Data: OpenAQ · AirNow
- Outdoor exercise
- A good day to be active outside
- Windows
- Open them to air the house
- Mask
- Not needed
- Air purifier
- Not needed
Over the last 7 days, the CAMS air-quality model put Rivière-des-Prairies–Pointe-aux-Trembles's daily AQI at 39 on average, from 30 on Nov 4 to an hourly peak of 57 on Nov 10.
This is the US EPA AQI. How it differs from Canada's AQHI
Where Rivière-des-Prairies–Pointe-aux-Trembles stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Rivière-des-Prairies–Pointe-aux-Trembles: Below target
26.3% tree cover against a 30% healthy-neighborhood target, across 10.6 km² of land.
Trees in this area
69,652
Target trees
79,451
More trees needed
9,799
CO₂ if planted / yr
215.6 t
Deforestation · 2001–2025
How much forest has Rivière-des-Prairies–Pointe-aux-Trembles lost?
Since 2001, the area within 10 km of Rivière-des-Prairies–Pointe-aux-Trembles has lost about 214 hectares of forest (about 300 football pitches): 5.9% of the forest it had in 2000. Most of it (88%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from July 2017 of a 5 × 5 km area about 7 km north of the city center.
- Forest lost since 2001
- 214 haabout 300 football pitches
- Share of its forest
- 5.9%of what there was in 2000
- Cleared for good
- 188 hadeforestation: turned into farms, mines or towns
The worst year was 2010, when about 32 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 | 3 ha | under 1 ha | 4 ha |
| 2002 | 2 ha | under 1 ha | 3 ha |
| 2003 | 5 ha | under 1 ha | 6 ha |
| 2004 | 4 ha | 3 ha | 7 ha |
| 2005 | 27 ha | under 1 ha | 27 ha |
| 2006 | 7 ha | under 1 ha | 8 ha |
| 2007 | 4 ha | under 1 ha | 5 ha |
| 2008 | 9 ha | under 1 ha | 9 ha |
| 2009 | 6 ha | under 1 ha | 7 ha |
| 2010 | 32 ha | under 1 ha | 32 ha |
| 2011 | 5 ha | under 1 ha | 6 ha |
| 2012 | 17 ha | under 1 ha | 17 ha |
| 2013 | 4 ha | under 1 ha | 4 ha |
| 2014 | 5 ha | under 1 ha | 5 ha |
| 2015 | 4 ha | under 1 ha | 4 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | 9 ha | 11 ha | 20 ha |
| 2018 | 2 ha | 2 ha | 3 ha |
| 2019 | 10 ha | under 1 ha | 10 ha |
| 2020 | 10 ha | under 1 ha | 11 ha |
| 2021 | 6 ha | 1 ha | 7 ha |
| 2022 | 9 ha | 2 ha | 11 ha |
| 2023 | 1 ha | under 1 ha | 1 ha |
| 2024 | 4 ha | 2 ha | 5 ha |
| 2025 | 4 ha | under 1 ha | 4 ha |
What is causing deforestation around Rivière-des-Prairies–Pointe-aux-Trembles?
- Towns and roadscleared for good86% · 183 ha
- Loggingcan grow back8% · 17 ha
- Farms, pasture and plantationscleared for good2.4% · 5 ha
Also: unknown causes.
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
- 7,230 ha
- Forest in 2020
- 7,770 ha
- Overall change
- +541 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Rivière-des-Prairies–Pointe-aux-Trembles grew from about 7,230 hectares to 7,770 hectares, a net gain of about 541 hectares (+7.5%). New forest grew on about 727 hectares, while 187 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
In the same region
Measured cities near Rivière-des-Prairies–Pointe-aux-Trembles
Same 2 km radius, same index — so they compare directly.
- Montréal14.7 km
Canada
- Tree cover
- 44%
- Air quality
- 20
- Longueuil16.6 km
Canada
- Tree cover
- 29%
- Air quality
- 20
- 17.1 km
- Tree cover
- 68%
- Air quality
- 19
- Trois-Rivières112.0 km
Canada
- Tree cover
- 25%
- Air quality
- 19
- Sherbrooke134.0 km
Canada
- Tree cover
- 40%
- Air quality
- 22
- Orléans150.9 km
Canada
- Tree cover
- 27%
- Air quality
- 19
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Frequently asked
Questions about Rivière-des-Prairies–Pointe-aux-Trembles
What is the air quality (AQI) in Rivière-des-Prairies–Pointe-aux-Trembles right now?
The latest reading for Rivière-des-Prairies–Pointe-aux-Trembles shows an AQI of 19 (Good), measured Nov 11, 12:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Saint-Jean-Baptiste, 6.6 km away). The main pollutant is Ozone. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Rivière-des-Prairies–Pointe-aux-Trembles today?
At AQI 19 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Rivière-des-Prairies–Pointe-aux-Trembles been like this week?
Over the last 7 days, the CAMS air-quality model put Rivière-des-Prairies–Pointe-aux-Trembles's daily AQI at 39 on average, from 30 on Nov 4 to an hourly peak of 57 on Nov 10. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
Is Rivière-des-Prairies–Pointe-aux-Trembles'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 Rivière-des-Prairies–Pointe-aux-Trembles lost since 2001?
Since 2001, the area within 10 km of Rivière-des-Prairies–Pointe-aux-Trembles has lost about 214 hectares of forest (about 300 football pitches): 5.9% of the forest it had in 2000. Most of it (88%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Rivière-des-Prairies–Pointe-aux-Trembles grew from about 7,230 hectares to 7,770 hectares, a net gain of about 541 hectares (+7.5%). New forest grew on about 727 hectares, while 187 hectares were lost.
What is the tree count in Rivière-des-Prairies–Pointe-aux-Trembles?
Rivière-des-Prairies–Pointe-aux-Trembles has an estimated 69,652 trees across the 10.6 km² of land measured — 26.3% tree cover, 4 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Rivière-des-Prairies–Pointe-aux-Trembles need?
Rivière-des-Prairies–Pointe-aux-Trembles needs roughly 9,799 more trees to close a 4-point shortfall against its 30% tree-cover target — about 215.6 t of extra CO₂ absorbed per year once grown.
How are Rivière-des-Prairies–Pointe-aux-Trembles's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Riviere-des-Prairies—Pointe-aux-Trembles, 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 Riviere-des-Prairies—Pointe-aux-Trembles; the tree count is an estimate derived from that cover.
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