City report · Assam, India
Tinsukia Air quality today
Air quality in Tinsukia currently reads AQI 79 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 79
Moderate
- PM2.5, fine particles (µg/m³)
- 25.7
- tree cover
- 39.4%
- trees in this area
- 124K
- more trees needed
- 0
Measured across a 2 km radius around Tinsukia, Assam, India (12.57 km²), from a satellite image of Oct 31, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Tinsukia · AQI 79 (Moderate)
Tinsukia's tree count comes to 123,531 trees across 12.54 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Tinsukia today: AQI 79, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 03:30 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
25.7
PM10
27.0
NO₂
10.8
O₃
25.0
SO₂
2.2
CO
212.0
- 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 Tinsukia's daily AQI at 119 on average, from 77 on Nov 11 to an hourly peak of 198 on Nov 5.
This is the US EPA AQI. How it differs from India's AQI (CPCB) · The full guide
Where Tinsukia stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Tinsukia: Healthy tree cover
39.4% tree cover against a 30% healthy-neighborhood target, across 12.54 km² of land.
Trees in this area
123,531
Target trees
123,531
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Tinsukia lost?
Since 2001, the area within 10 km of Tinsukia has lost about 1,500 hectares of forest (about 2,100 football pitches): 12% of the forest it had in 2000. Most of it (75%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from January 2017 of a 5 × 5 km area about 7 km northwest of the city center.
- Forest lost since 2001
- 1,500 haabout 2,100 football pitches
- Share of its forest
- 12%of what there was in 2000
- Cleared for good
- 1,130 hadeforestation: turned into farms, mines or towns
Forest loss has stayed about the same: about 44 hectares a year in 2021–2025, against 54 hectares a year in 2016–2020. The worst year was 2011, when about 131 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 | 28 ha | 5 ha | 33 ha |
| 2002 | 18 ha | 2 ha | 20 ha |
| 2003 | 20 ha | 13 ha | 34 ha |
| 2004 | 25 ha | 19 ha | 43 ha |
| 2005 | 43 ha | 11 ha | 54 ha |
| 2006 | 41 ha | 31 ha | 72 ha |
| 2007 | 38 ha | 28 ha | 65 ha |
| 2008 | 61 ha | 24 ha | 85 ha |
| 2009 | 52 ha | 38 ha | 91 ha |
| 2010 | 90 ha | 28 ha | 118 ha |
| 2011 | 93 ha | 38 ha | 131 ha |
| 2012 | 54 ha | 28 ha | 81 ha |
| 2013 | 36 ha | 10 ha | 46 ha |
| 2014 | 54 ha | 29 ha | 83 ha |
| 2015 | 44 ha | 20 ha | 64 ha |
| 2016 | 82 ha | 19 ha | 101 ha |
| 2017 | 46 ha | 9 ha | 55 ha |
| 2018 | 50 ha | 4 ha | 54 ha |
| 2019 | 19 ha | under 1 ha | 19 ha |
| 2020 | 36 ha | 3 ha | 39 ha |
| 2021 | 41 ha | under 1 ha | 42 ha |
| 2022 | 20 ha | under 1 ha | 20 ha |
| 2023 | 58 ha | 5 ha | 63 ha |
| 2024 | 34 ha | 9 ha | 43 ha |
| 2025 | 47 ha | 5 ha | 52 ha |
What is causing deforestation around Tinsukia?
- Farms, pasture and plantationscleared for good72% · 1,090 ha
- Loggingcan grow back23% · 349 ha
- Towns and roadscleared for good2.6% · 40 ha
Also: storms, floods and other natural causes, unknown causes.
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
- 16,800 ha
- Forest in 2020
- 16,800 ha
- Overall change
- +under 1 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Tinsukia stayed about the same size, at about 16,800 hectares: new forest grew on about 976 hectares, and about 976 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 Tinsukia
What is the air quality (AQI) in Tinsukia right now?
The latest reading for Tinsukia shows an AQI of 79 (Moderate), observed Nov 11, 03:30 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Tinsukia today?
At AQI 79 (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 Tinsukia been like this week?
Over the last 7 days, the CAMS air-quality model put Tinsukia's daily AQI at 119 on average, from 77 on Nov 11 to an hourly peak of 198 on Nov 5. On 5 of those days the average was above 100, unhealthy for sensitive groups.
Is Tinsukia'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 Tinsukia lost since 2001?
Since 2001, the area within 10 km of Tinsukia has lost about 1,500 hectares of forest (about 2,100 football pitches): 12% of the forest it had in 2000. Most of it (75%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss has stayed about the same: about 44 hectares a year in 2021–2025, against 54 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Tinsukia stayed about the same size, at about 16,800 hectares: new forest grew on about 976 hectares, and about 976 hectares were lost.
What is the tree count in Tinsukia?
Tinsukia has an estimated 123,531 trees across the 12.54 km² of land measured — 39.4% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Tinsukia need?
Tinsukia has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Tinsukia'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 Tinsukia; the tree count is an estimate derived from that cover.
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