City report · Irkutsk Oblast, Russia
Bratsk Air quality today
Air quality in Bratsk currently reads AQI 2 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 2
Good
- PM2.5, fine particles (µg/m³)
- 0.3
- tree cover
- 46.5%
- trees in this area
- 144K
- more trees needed
- 0
Measured across a 2 km radius around Bratsk, Irkutsk Oblast, Russia (12.57 km²), from a satellite image of Sep 22, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Bratsk · AQI 2 (Good)
Bratsk's tree count comes to 144,185 trees across 12.41 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Bratsk today: AQI 2, Good
Main pollutant: PM2.5 · Observed Nov 11, 07:00 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
0.3
PM10
0.3
NO₂
3.3
O₃
68.0
SO₂
3.5
CO
224.0
- 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 Bratsk's daily AQI at 23 on average, from 5 on Nov 11 to an hourly peak of 72 on Nov 5.
Where Bratsk stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Bratsk: Healthy tree cover
46.5% tree cover against a 30% healthy-neighborhood target, across 12.41 km² of land.
Trees in this area
144,185
Target trees
144,185
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Bratsk lost?
Since 2001, the area within 10 km of Bratsk has lost about 1,140 hectares of forest (about 1,600 football pitches): 8.8% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. About 107 hectares (9.3%) 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 southwest of the city center.
- Forest lost since 2001
- 1,140 haabout 1,600 football pitches
- Share of its forest
- 8.8%of what there was in 2000
- Cleared for good
- 107 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 30 hectares a year in 2021–2025, down from 133 hectares a year in 2016–2020. The worst year was 2017, when about 596 hectares of forest were lost, mostly to wildfires.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | under 1 ha | under 1 ha | under 1 ha |
| 2002 | under 1 ha | 7 ha | 7 ha |
| 2003 | under 1 ha | 5 ha | 5 ha |
| 2004 | 2 ha | 30 ha | 32 ha |
| 2005 | 1 ha | 26 ha | 28 ha |
| 2006 | under 1 ha | 21 ha | 21 ha |
| 2007 | 3 ha | 5 ha | 7 ha |
| 2008 | under 1 ha | 3 ha | 4 ha |
| 2009 | 3 ha | 8 ha | 11 ha |
| 2010 | under 1 ha | 40 ha | 40 ha |
| 2011 | under 1 ha | 3 ha | 3 ha |
| 2012 | 11 ha | 114 ha | 125 ha |
| 2013 | 1 ha | under 1 ha | 1 ha |
| 2014 | 6 ha | 26 ha | 32 ha |
| 2015 | 4 ha | 6 ha | 10 ha |
| 2016 | 14 ha | 9 ha | 23 ha |
| 2017 | 7 ha | 589 ha | 596 ha |
| 2018 | 4 ha | 4 ha | 8 ha |
| 2019 | 21 ha | 15 ha | 36 ha |
| 2020 | 1 ha | 3 ha | 4 ha |
| 2021 | 7 ha | 8 ha | 15 ha |
| 2022 | 3 ha | 8 ha | 10 ha |
| 2023 | 5 ha | under 1 ha | 5 ha |
| 2024 | 10 ha | 105 ha | 115 ha |
| 2025 | 1 ha | 5 ha | 6 ha |
What is causing deforestation around Bratsk?
- Wildfirescan grow back77% · 884 ha
- Loggingcan grow back10% · 120 ha
- Mining and energycleared for good5.3% · 61 ha
Also: towns and roads, storms, floods and other natural causes, 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
- 13,700 ha
- Forest in 2020
- 14,600 ha
- Overall change
- +898 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Bratsk grew from about 13,700 hectares to 14,600 hectares, a net gain of about 898 hectares (+6.5%). New forest grew on about 1,140 hectares, while 244 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 Bratsk
Same 2 km radius, same index — so they compare directly.
- Ust’-Ilimsk217.2 km
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- 58%
- Air quality
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- Kansk365.0 km
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- 29%
- Air quality
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- Angarsk424.3 km
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- 33%
- Air quality
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- Irkutsk460.7 km
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- Tree cover
- 27%
- Air quality
- 10
- Krasnoyarsk538.5 km
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- Tree cover
- 31%
- Air quality
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- Ulan-Ude618.0 km
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- Tree cover
- 15%
- Air quality
- 29
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Frequently asked
Questions about Bratsk
What is the air quality (AQI) in Bratsk right now?
The latest reading for Bratsk shows an AQI of 2 (Good), observed Nov 11, 07:00 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 Bratsk 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 Bratsk been like this week?
Over the last 7 days, the CAMS air-quality model put Bratsk's daily AQI at 23 on average, from 5 on Nov 11 to an hourly peak of 72 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 Bratsk lost since 2001?
Since 2001, the area within 10 km of Bratsk has lost about 1,140 hectares of forest (about 1,600 football pitches): 8.8% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. About 107 hectares (9.3%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is slowing down: about 30 hectares a year in 2021–2025, down from 133 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Bratsk grew from about 13,700 hectares to 14,600 hectares, a net gain of about 898 hectares (+6.5%). New forest grew on about 1,140 hectares, while 244 hectares were lost.
What is the tree count in Bratsk?
Bratsk has an estimated 144,185 trees across the 12.41 km² of land measured — 46.5% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Bratsk need?
Bratsk has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Bratsk'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 Bratsk; the tree count is an estimate derived from that cover.
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