City report · Krasnoyarsk Krai, Russia
Kansk Air quality today
Air quality in Kansk currently reads AQI 2 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 2
Good
- PM2.5, fine particles (µg/m³)
- 0.5
- tree cover
- 29.0%
- trees in this area
- 84.3K
- more trees needed
- 2.9K
Measured across a 2 km radius around Kansk, Krasnoyarsk Krai, Russia (12.57 km²), from a satellite image of Sep 23, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Kansk · AQI 2 (Good)
Kansk's tree count comes to 84,273 trees across 11.63 km² of land, 1 points below the 30% tree-cover level considered healthy for this area, so roughly 2,906 more trees would close the gap.
Air quality detail
Air quality in Kansk today: AQI 2, Good
Main pollutant: PM2.5 · Observed Nov 11, 11:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Air quality is satisfactory for everyone.
PM2.5
0.5
PM10
0.8
NO₂
0.4
O₃
66.0
SO₂
0.5
CO
126.0
- 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 Kansk's daily AQI at 30 on average, from 6 on Nov 11 to an hourly peak of 77 on Nov 5.
Where Kansk stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Kansk: Below target
29.0% tree cover against a 30% healthy-neighborhood target, across 11.63 km² of land.
Trees in this area
84,273
Target trees
87,179
More trees needed
2,906
CO₂ if planted / yr
63.9 t
Deforestation · 2001–2025
How much forest has Kansk lost?
Since 2001, the area within 10 km of Kansk has lost about 361 hectares of forest (about 510 football pitches): 7% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 110 hectares (30%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from August 2017 of a 5 × 5 km area about 7 km east of the city center.
- Forest lost since 2001
- 361 haabout 510 football pitches
- Share of its forest
- 7%of what there was in 2000
- Cleared for good
- 110 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 6 hectares a year in 2021–2025, down from 51 hectares a year in 2016–2020. The worst year was 2020, when about 166 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 | under 1 ha | 3 ha | 3 ha |
| 2002 | under 1 ha | 2 ha | 3 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | 1 ha |
| 2005 | under 1 ha | under 1 ha | under 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 | under 1 ha |
| 2009 | under 1 ha | 1 ha | 2 ha |
| 2010 | under 1 ha | 6 ha | 7 ha |
| 2011 | 3 ha | 4 ha | 6 ha |
| 2012 | under 1 ha | 1 ha | 2 ha |
| 2013 | 14 ha | 9 ha | 23 ha |
| 2014 | 2 ha | 15 ha | 17 ha |
| 2015 | under 1 ha | 8 ha | 9 ha |
| 2016 | under 1 ha | 3 ha | 3 ha |
| 2017 | 51 ha | 19 ha | 70 ha |
| 2018 | 6 ha | 11 ha | 17 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | 27 ha | 139 ha | 166 ha |
| 2021 | under 1 ha | 8 ha | 8 ha |
| 2022 | under 1 ha | 2 ha | 2 ha |
| 2023 | under 1 ha | 9 ha | 9 ha |
| 2024 | 2 ha | 5 ha | 7 ha |
| 2025 | under 1 ha | 5 ha | 5 ha |
What is causing deforestation around Kansk?
- Loggingcan grow back62% · 225 ha
- Towns and roadscleared for good14% · 50 ha
- Mining and energycleared for good13% · 47 ha
Also: storms, floods and other natural causes, farms, pasture and plantations, wildfires, 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
- 4,760 ha
- Forest in 2020
- 5,210 ha
- Overall change
- +452 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Kansk grew from about 4,760 hectares to 5,210 hectares, a net gain of about 452 hectares (+9.5%). New forest grew on about 589 hectares, while 138 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 Kansk
Same 2 km radius, same index — so they compare directly.
- Krasnoyarsk173.7 km
Russia
- Tree cover
- 31%
- Air quality
- 9
- Achinsk322.4 km
Russia
- Tree cover
- 47%
- Air quality
- 7
- Bratsk365.0 km
Russia
- Tree cover
- 47%
- Air quality
- 2
- Abakan389.2 km
Russia
- Tree cover
- 19%
- Air quality
- 6
- Ust’-Ilimsk464.3 km
Russia
- Tree cover
- 58%
- Air quality
- 1
- Kyzyl506.3 km
Russia
- Tree cover
- 12%
- Air quality
- 26
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Frequently asked
Questions about Kansk
What is the air quality (AQI) in Kansk right now?
The latest reading for Kansk shows an AQI of 2 (Good), observed Nov 11, 11:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Kansk today?
At AQI 2 (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 Kansk been like this week?
Over the last 7 days, the CAMS air-quality model put Kansk's daily AQI at 30 on average, from 6 on Nov 11 to an hourly peak of 77 on Nov 5. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Kansk lost since 2001?
Since 2001, the area within 10 km of Kansk has lost about 361 hectares of forest (about 510 football pitches): 7% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 110 hectares (30%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is slowing down: about 6 hectares a year in 2021–2025, down from 51 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Kansk grew from about 4,760 hectares to 5,210 hectares, a net gain of about 452 hectares (+9.5%). New forest grew on about 589 hectares, while 138 hectares were lost.
What is the tree count in Kansk?
Kansk has an estimated 84,273 trees across the 11.63 km² of land measured — 29.0% tree cover, 1 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Kansk need?
Kansk needs roughly 2,906 more trees to close a 1-point shortfall against its 30% tree-cover target — about 63.9 t of extra CO₂ absorbed per year once grown.
How are Kansk's air quality and tree cover measured?
Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. 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 Kansk; the tree count is an estimate derived from that cover.
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