City report · Bihar, India
Mothīhāri Air quality today
Air quality in Mothīhāri currently reads AQI 144 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
AQI 144
Air quality right now
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 53.0
- tree cover
- 22.3%
- trees in this area
- 67.7K
- more trees needed
- 38.5K
Measured across a 2 km radius around Gayatri Nagar, Motihari, Bihar 845401, India (12.57 km²), from a satellite image of Oct 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Mothīhāri · AQI 144 (Unhealthy for sensitive groups)
Mothīhāri's tree count comes to 67,676 trees across 12.14 km² of land, 13 points below the 35% tree-cover level considered healthy for this area, so roughly 38,542 more trees would close the gap.
Air quality detail
Air quality in Mothīhāri today: AQI 144, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 11, 20:15 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Gandak Colony, Motihari - BSPCB, 2.5 km away
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
53.0
PM10
103.0
NO₂
5.5
O₃
58.3
SO₂
6.8
CO
0.4
Data: OpenAQ · CPCB, Central Pollution Control Board, Government of India (GODL-India)
- Outdoor exercise
- Children, older adults and people with asthma or heart disease should cut down long or hard exercise
- Windows
- Close them to keep the outside air out
- Mask
- Sensitive groups: an N95 outdoors
- Air purifier
- Run one, especially in bedrooms
Over the last 7 days, the CAMS air-quality model put Mothīhāri's daily AQI at 189 on average, from 155 on Nov 9 to an hourly peak of 247 on Nov 8.
This is the US EPA AQI. How it differs from India's AQI (CPCB) · The full guide
Where Mothīhāri stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Mothīhāri: Below target
22.3% tree cover against a 35% healthy-neighborhood target, across 12.14 km² of land.
Trees in this area
67,676
Target trees
106,218
More trees needed
38,542
CO₂ if planted / yr
847.9 t
Deforestation · 2001–2025
How much forest has Mothīhāri lost?
There was very little forest around Mothīhāri in 2000, about 97 hectares, and about 2 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 February 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 |
Forest gained and lost, 2000–2020
- Forest in 2000
- 2,630 ha
- Forest in 2020
- 2,850 ha
- Overall change
- +216 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Mothīhāri grew from about 2,630 hectares to 2,850 hectares, a net gain of about 216 hectares (+8.2%). New forest grew on about 232 hectares, while 16 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 Mothīhāri
What is the air quality (AQI) in Mothīhāri right now?
The latest reading for Mothīhāri shows an AQI of 144 (Unhealthy for sensitive groups), measured Nov 11, 20:15 local time by the Gandak Colony, Motihari - BSPCB ground monitoring station, 2.5 km away, via OpenAQ. The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Mothīhāri today?
At AQI 144 (Unhealthy for sensitive groups): children, older adults and people with asthma or heart disease should cut down long or hard exercise. Windows: close them to keep the outside air out. Masks: sensitive groups: an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Mothīhāri been like this week?
Over the last 7 days, the CAMS air-quality model put Mothīhāri's daily AQI at 189 on average, from 155 on Nov 9 to an hourly peak of 247 on Nov 8. On 7 of those days the average was above 100, unhealthy for sensitive groups.
Is Mothīhāri'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 Mothīhāri lost since 2001?
There was very little forest around Mothīhāri in 2000, about 97 hectares, and about 2 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 Mothīhāri grew from about 2,630 hectares to 2,850 hectares, a net gain of about 216 hectares (+8.2%). New forest grew on about 232 hectares, while 16 hectares were lost.
What is the tree count in Mothīhāri?
Mothīhāri has an estimated 67,676 trees across the 12.14 km² of land measured — 22.3% tree cover, 13 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Mothīhāri need?
Mothīhāri needs roughly 38,542 more trees to close a 13-point shortfall against its 35% tree-cover target — about 847.9 t of extra CO₂ absorbed per year once grown.
How are Mothīhāri's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Gayatri Nagar, 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 Gayatri Nagar; the tree count is an estimate derived from that cover.
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