City report · Bihar, India
Sasarām Air quality today
Air quality in Sasarām currently reads AQI 92 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 92
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 31.0
- tree cover
- 30.8%
- trees in this area
- 95.9K
- more trees needed
- 0
Measured across a 2 km radius around Laxkariganj, Sasaram, Bihar 821115, India (12.57 km²), from a satellite image of Oct 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Sasarām · AQI 92 (Moderate)
Sasarām's tree count comes to 95,890 trees across 12.46 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Sasarām today: AQI 92, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 20:30 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Dada Peer, Sasaram - BSPCB, 1.5 km away
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
31.0
PM10
66.0
NO₂
10.3
O₃
2.6
SO₂
8.1
CO
0.3
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 Sasarām's daily AQI at 181 on average, from 172 on Nov 9 to an hourly peak of 208 on Nov 5.
This is the US EPA AQI. How it differs from India's AQI (CPCB) · The full guide
Where Sasarām stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Sasarām: Healthy tree cover
30.8% tree cover against a 30% healthy-neighborhood target, across 12.46 km² of land.
Trees in this area
95,890
Target trees
95,890
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Sasarām lost?
There was almost no forest around Sasarām in 2000, so there has been almost nothing to lose 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 March 2017 of a 5 × 5 km area in the city center.
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. Images: contains modified Copernicus Sentinel data. How it's measured
In the same region
Measured cities near Sasarām
Same 2 km radius, same index — so they compare directly.
- Madhurampur Dehri18.3 km
India
- Tree cover
- 18%
- Air quality
- 92
- Aurangābād42.2 km
India
- Tree cover
- 22%
- Air quality
- 158
- Buxar69.7 km
India
- Tree cover
- 35%
- Air quality
- 155
- Ghazīpur82.8 km
India
- Tree cover
- 25%
- Air quality
- 175
- Arrah93.7 km
India
- Tree cover
- 32%
- Air quality
- 184
- 97.6 km
- Tree cover
- 23%
- Air quality
- 179
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Frequently asked
Questions about Sasarām
What is the air quality (AQI) in Sasarām right now?
The latest reading for Sasarām shows an AQI of 92 (Moderate), measured Nov 11, 20:30 local time by the Dada Peer, Sasaram - BSPCB ground monitoring station, 1.5 km away, via OpenAQ. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Sasarām today?
At AQI 92 (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 Sasarām been like this week?
Over the last 7 days, the CAMS air-quality model put Sasarām's daily AQI at 181 on average, from 172 on Nov 9 to an hourly peak of 208 on Nov 5. On 7 of those days the average was above 100, unhealthy for sensitive groups.
Is Sasarām'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 Sasarām lost since 2001?
There was almost no forest around Sasarām in 2000, so there has been almost nothing to lose since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
What is the tree count in Sasarām?
Sasarām has an estimated 95,890 trees across the 12.46 km² of land measured — 30.8% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Sasarām need?
Sasarām has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Sasarām's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Laxkariganj, 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 Laxkariganj; the tree count is an estimate derived from that cover.
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