City report · Bihar, India
Bagaha Air quality today
Air quality in Bagaha currently reads AQI 166 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
Air quality right now
AQI 166
Unhealthy
- PM2.5, fine particles (µg/m³)
- 74.1
- tree cover
- 23.2%
- trees in this area
- 56.9K
- more trees needed
- 41.2K
Measured across a 2 km radius around Bagaha-1, Bihar 845101, India (12.57 km²), from a satellite image of Oct 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Bagaha · AQI 166 (Unhealthy)
Bagaha's tree count comes to 56,850 trees across 9.8 km² of land, 17 points below the 40% tree-cover level considered healthy for this area, so roughly 41,167 more trees would close the gap.
Air quality detail
Air quality in Bagaha today: AQI 166, Unhealthy
Main pollutant: PM2.5 · Observed Nov 11, 04:30 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 145 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 7 station cities within 145 km, e.g. Bharatpur and Birgunj
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
74.1
PM10
85.9
NO₂
28.3
O₃
21.0
SO₂
11.3
CO
841.0
- Outdoor exercise
- Everyone should cut down long or hard exercise; sensitive groups should avoid it
- Windows
- Keep them closed
- Mask
- Wear an N95 outdoors
- Air purifier
- Run one
Over the last 7 days, the CAMS air-quality model put Bagaha's daily AQI at 155 on average, from 126 on Nov 9 to an hourly peak of 196 on Nov 5.
This is the US EPA AQI. How it differs from India's AQI (CPCB) · The full guide
Where Bagaha stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Bagaha: Critically low
23.2% tree cover against a 40% healthy-neighborhood target, across 9.8 km² of land.
Trees in this area
56,850
Target trees
98,017
More trees needed
41,167
CO₂ if planted / yr
905.7 t
Deforestation · 2001–2025
How much forest has Bagaha lost?
There was very little forest around Bagaha in 2000, about 25 hectares, and about 4 hectares of it has been lost since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
2017: satellite photo from April 2017 of a 5 × 5 km area in the city center.
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 | 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 | 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 Bagaha?
- Storms, floods and other natural causescan grow back32% · 1 ha
- Farms, pasture and plantationscleared for good13% · under 1 ha
- Unknown causescause unknown55% · 2 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
- 639 ha
- Forest in 2020
- 694 ha
- Overall change
- +55 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Bagaha grew from about 639 hectares to 694 hectares, a net gain of about 55 hectares (+8.6%). New forest grew on about 70 hectares, while 14 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 Bagaha
What is the air quality (AQI) in Bagaha right now?
The latest reading for Bagaha shows an AQI of 166 (Unhealthy), observed Nov 11, 04:30 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 145 km, US EPA index. The main pollutant is PM2.5. Everyone should limit long outdoor exertion; sensitive groups more so.
Is it safe to exercise outside in Bagaha today?
At AQI 166 (Unhealthy): everyone should cut down long or hard exercise; sensitive groups should avoid it. Windows: keep them closed. Masks: wear an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Bagaha been like this week?
Over the last 7 days, the CAMS air-quality model put Bagaha's daily AQI at 155 on average, from 126 on Nov 9 to an hourly peak of 196 on Nov 5. On 7 of those days the average was above 100, unhealthy for sensitive groups.
Is Bagaha'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 Bagaha lost since 2001?
There was very little forest around Bagaha in 2000, about 25 hectares, and about 4 hectares of it has been lost since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here. Comparing satellite maps from 2000 and 2020, the forest around Bagaha grew from about 639 hectares to 694 hectares, a net gain of about 55 hectares (+8.6%). New forest grew on about 70 hectares, while 14 hectares were lost.
What is the tree count in Bagaha?
Bagaha has an estimated 56,850 trees across the 9.8 km² of land measured — 23.2% tree cover, 17 percentage points short of the 40% tree-cover target set for this area.
How many more trees does Bagaha need?
Bagaha needs roughly 41,167 more trees to close a 17-point shortfall against its 40% tree-cover target — about 905.7 t of extra CO₂ absorbed per year once grown.
How are Bagaha'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 Bagaha-1; the tree count is an estimate derived from that cover.
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