City report · West Bengal, India
Bārāsat Air quality today
Air quality in Bārāsat currently reads AQI 89 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 89
Moderate
- PM2.5, fine particles (µg/m³)
- 29.4
- tree cover
- 52.9%
- trees in this area
- 166K
- more trees needed
- 0
Measured across a 2 km radius around Katgola, Banamalipur, Kolkata, West Bengal 700124, India (12.57 km²), from a satellite image of Oct 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Bārāsat · AQI 89 (Moderate)
Bārāsat's tree count comes to 166,190 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 Bārāsat today: AQI 89, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 21:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · SVSPA Campus, Barrackpore - WBPCB, 13.1 km away · median of 8 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
29.4
PM10
69.0
NO₂
55.2
O₃
15.5
SO₂
14.2
CO
0.8
Data: OpenAQ · CPCB, Central Pollution Control Board, Government of India (GODL-India)
- 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 Bārāsat's daily AQI at 177 on average, from 154 on Nov 9 to an hourly peak of 241 on Nov 8.
This is the US EPA AQI. How it differs from India's AQI (CPCB) · The full guide
Where Bārāsat stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Bārāsat: Healthy tree cover
52.9% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
166,190
Target trees
166,190
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Bārāsat lost?
Since 2001, the area within 10 km of Bārāsat has lost about 7 hectares of forest (about 10 football pitches): 1% of the forest it had in 2000. The biggest cause was towns and roads (24%). About 3 hectares (40%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from February 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 7 haabout 10 football pitches
- Share of its forest
- 1%of what there was in 2000
- Cleared for good
- 3 hadeforestation: turned into farms, mines or towns
The worst year was 2011, when about 1 hectare 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 | under 1 ha | under 1 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 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 | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | 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 | under 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 Bārāsat?
- Towns and roadscleared for good24% · 2 ha
- Farms, pasture and plantationscleared for good18% · 1 ha
- Unknown causescause unknown60% · 4 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
- 13,200 ha
- Forest in 2020
- 13,400 ha
- Overall change
- +235 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Bārāsat stayed about the same size, at about 13,400 hectares: new forest grew on about 341 hectares, and about 106 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 Bārāsat
Same 2 km radius, same index — so they compare directly.
- Bārākpur13.1 km
India
- Tree cover
- 58%
- Air quality
- 83
- Bhātpāra18.1 km
India
- Tree cover
- 52%
- Air quality
- 83
- Kolkata21.5 km
India
- Tree cover
- 29%
- Air quality
- 88
- Hābra22.3 km
India
- Tree cover
- 80%
- Air quality
- 85
- Kānchrāpāra27.1 km
India
- Tree cover
- 61%
- Air quality
- 83
- Rajpur Sonarpur31.9 km
India
- Tree cover
- 68%
- Air quality
- 88
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Frequently asked
Questions about Bārāsat
What is the air quality (AQI) in Bārāsat right now?
The latest reading for Bārāsat shows an AQI of 89 (Moderate), measured Nov 11, 21:00 local time by 8 ground monitoring stations via OpenAQ (the median of their readings; the nearest is SVSPA Campus, Barrackpore - WBPCB, 13.1 km away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Bārāsat today?
At AQI 89 (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 Bārāsat been like this week?
Over the last 7 days, the CAMS air-quality model put Bārāsat's daily AQI at 177 on average, from 154 on Nov 9 to an hourly peak of 241 on Nov 8. On 7 of those days the average was above 100, unhealthy for sensitive groups.
Is Bārāsat's AQI the same as India's AQI (CPCB)?
No. Airleaf shows the US EPA Air Quality Index (AQI), the scale used by IQAir and most air-quality apps. India's Central Pollution Control Board (CPCB) publishes the National Air Quality Index on its own scale: 0–50 good, 51–100 satisfactory, 101–200 moderate, 201–300 poor, 301–400 very poor and 401–500 severe. The two scales don't line up. At moderate fine-particle levels the US scale reads higher: 55 µg/m³ of PM2.5 is 149 on the US AQI but about 92, "satisfactory", on India's. In heavy smog India's reads higher: 100 µg/m³ is 182 on the US AQI and about 232, "poor", on India's. CPCB also averages particles over 24 hours, so its figure moves more slowly than an hourly reading.
How much forest has the area around Bārāsat lost since 2001?
Since 2001, the area within 10 km of Bārāsat has lost about 7 hectares of forest (about 10 football pitches): 1% of the forest it had in 2000. The biggest cause was towns and roads (24%). About 3 hectares (40%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Bārāsat stayed about the same size, at about 13,400 hectares: new forest grew on about 341 hectares, and about 106 hectares were lost.
What is the tree count in Bārāsat?
Bārāsat has an estimated 166,190 trees across the 12.57 km² measured — 52.9% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Bārāsat need?
Bārāsat has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Bārāsat's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Katgola, 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 Katgola; the tree count is an estimate derived from that cover.
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