City report · Assam, India
Nagaon Air quality today
Air quality in Nagaon currently reads AQI 122 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
AQI 122
Air quality right now
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 44.0
- tree cover
- 40.1%
- trees in this area
- 125K
- more trees needed
- 0
Measured across a 2 km radius around Barbheti, Assam, India (12.57 km²), from a satellite image of Oct 14, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Nagaon · AQI 122 (Unhealthy for sensitive groups)
Nagaon's tree count comes to 125,474 trees across 12.52 km² of land, already at or above the 35% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Nagaon today: AQI 122, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 11, 20:30 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Christianpatty, Nagaon - PCBA, 1.8 km away
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
44.0
PM10
65.0
NO₂
0.9
O₃
9.1
SO₂
21.2
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 Nagaon's daily AQI at 131 on average, from 119 on Nov 8 to an hourly peak of 186 on Nov 7.
This is the US EPA AQI. How it differs from India's AQI (CPCB) · The full guide
Where Nagaon stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Nagaon: Healthy tree cover
40.1% tree cover against a 35% healthy-neighborhood target, across 12.52 km² of land.
Trees in this area
125,474
Target trees
125,474
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Nagaon lost?
Since 2001, the area within 10 km of Nagaon has lost about 22 hectares of forest (about 31 football pitches): under 1% of the forest it had in 2000. Most of it (54%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from January 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 22 haabout 31 football pitches
- Share of its forest
- under 1%of what there was in 2000
- Cleared for good
- 12 hadeforestation: turned into farms, mines or towns
The worst year was 2006, when about 3 hectares 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 | 1 ha | under 1 ha | 2 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | 1 ha | 1 ha | 2 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | under 1 ha | 2 ha | 3 ha |
| 2007 | 2 ha | under 1 ha | 3 ha |
| 2008 | 2 ha | under 1 ha | 2 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | 1 ha |
| 2011 | 1 ha | under 1 ha | 2 ha |
| 2012 | under 1 ha | 2 ha | 3 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 Nagaon?
- Towns and roadscleared for good47% · 10 ha
- Farms, pasture and plantationscleared for good7.3% · 2 ha
- Unknown causescause unknown46% · 10 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
- 7,420 ha
- Forest in 2020
- 7,940 ha
- Overall change
- +520 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Nagaon grew from about 7,420 hectares to 7,940 hectares, a net gain of about 520 hectares (+7%). New forest grew on about 562 hectares, while 42 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 Nagaon
What is the air quality (AQI) in Nagaon right now?
The latest reading for Nagaon shows an AQI of 122 (Unhealthy for sensitive groups), measured Nov 11, 20:30 local time by the Christianpatty, Nagaon - PCBA ground monitoring station, 1.8 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 Nagaon today?
At AQI 122 (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 Nagaon been like this week?
Over the last 7 days, the CAMS air-quality model put Nagaon's daily AQI at 131 on average, from 119 on Nov 8 to an hourly peak of 186 on Nov 7. On 7 of those days the average was above 100, unhealthy for sensitive groups.
Is Nagaon'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 Nagaon lost since 2001?
Since 2001, the area within 10 km of Nagaon has lost about 22 hectares of forest (about 31 football pitches): under 1% of the forest it had in 2000. Most of it (54%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Nagaon grew from about 7,420 hectares to 7,940 hectares, a net gain of about 520 hectares (+7%). New forest grew on about 562 hectares, while 42 hectares were lost.
What is the tree count in Nagaon?
Nagaon has an estimated 125,474 trees across the 12.52 km² of land measured — 40.1% tree cover, already past the 35% tree-cover target set for this area.
How many more trees does Nagaon need?
Nagaon has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Nagaon's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Barbheti, 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 Barbheti; the tree count is an estimate derived from that cover.
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