City report · Tamil Nadu, India
Nāgercoil Air quality today
Air quality in Nāgercoil currently reads AQI 83 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 83
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 24.0
- tree cover
- 40.9%
- trees in this area
- 128K
- more trees needed
- 0
Measured across a 2 km radius around Chidambara Nagar, Kottar, Nagercoil, Tamil Nadu, India (12.57 km²), from a satellite image of Oct 4, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Nāgercoil · AQI 83 (Moderate)
Nāgercoil's tree count comes to 128,491 trees across 12.57 km², already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Nāgercoil today: AQI 83, Moderate
Main pollutant: PM2.5 · Observed Nov 10, 20:30 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
24.0
PM10
26.3
NO₂
7.7
O₃
113.0
SO₂
7.1
CO
472.0
- 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 Nāgercoil's daily AQI at 46 on average, from 23 on Nov 6 to an hourly peak of 101 on Nov 10.
This is the US EPA AQI. How it differs from India's AQI (CPCB) · The full guide
Where Nāgercoil stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Nāgercoil: Healthy tree cover
40.9% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
128,491
Target trees
128,491
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Nāgercoil lost?
Since 2001, the area within 10 km of Nāgercoil has lost about 456 hectares of forest (about 640 football pitches): 5.8% of the forest it had in 2000. Most of it (96%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from February 2017 of a 5 × 5 km area about 7 km west of the city center.
- Forest lost since 2001
- 456 haabout 640 football pitches
- Share of its forest
- 5.8%of what there was in 2000
- Cleared for good
- 439 hadeforestation: turned into farms, mines or towns
The worst year was 2005, when about 100 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 | 43 ha | 1 ha | 44 ha |
| 2002 | 7 ha | under 1 ha | 7 ha |
| 2003 | 38 ha | under 1 ha | 39 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | 98 ha | 2 ha | 100 ha |
| 2006 | 25 ha | 1 ha | 27 ha |
| 2007 | 15 ha | 1 ha | 16 ha |
| 2008 | 31 ha | 1 ha | 33 ha |
| 2009 | 12 ha | 1 ha | 13 ha |
| 2010 | 1 ha | under 1 ha | 1 ha |
| 2011 | 23 ha | 2 ha | 26 ha |
| 2012 | 56 ha | 2 ha | 58 ha |
| 2013 | 3 ha | under 1 ha | 3 ha |
| 2014 | 4 ha | under 1 ha | 4 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | 5 ha | under 1 ha | 5 ha |
| 2017 | 11 ha | under 1 ha | 12 ha |
| 2018 | 7 ha | under 1 ha | 7 ha |
| 2019 | 3 ha | under 1 ha | 3 ha |
| 2020 | 7 ha | under 1 ha | 7 ha |
| 2021 | 9 ha | under 1 ha | 10 ha |
| 2022 | 8 ha | under 1 ha | 9 ha |
| 2023 | 11 ha | under 1 ha | 11 ha |
| 2024 | 6 ha | under 1 ha | 6 ha |
| 2025 | 13 ha | 1 ha | 15 ha |
What is causing deforestation around Nāgercoil?
- Farms, pasture and plantationscleared for good66% · 300 ha
- Towns and roadscleared for good30% · 139 ha
- Unknown causescause unknown3.5% · 16 ha
Also: storms, floods and other natural 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
- 17,600 ha
- Forest in 2020
- 18,300 ha
- Overall change
- +722 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Nāgercoil grew from about 17,600 hectares to 18,300 hectares, a net gain of about 722 hectares (+4.1%). New forest grew on about 974 hectares, while 251 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
In the same region
Measured cities near Nāgercoil
Same 2 km radius, same index — so they compare directly.
- Thiruvananthapuram63.1 km
India
- Tree cover
- 34%
- Air quality
- 92
- Tirunelveli67.0 km
India
- Tree cover
- 24%
- Air quality
- 114
- Thoothukudi101.2 km
India
- Tree cover
- 13%
- Air quality
- 103
- Kollam121.6 km
India
- Tree cover
- 39%
- Air quality
- 64
- Rajapalayam142.3 km
India
- Tree cover
- 22%
- Air quality
- 115
- Sivakasi146.9 km
India
- Tree cover
- 20%
- Air quality
- 84
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Frequently asked
Questions about Nāgercoil
What is the air quality (AQI) in Nāgercoil right now?
The latest reading for Nāgercoil shows an AQI of 83 (Moderate), observed Nov 10, 20:30 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 Nāgercoil today?
At AQI 83 (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 Nāgercoil been like this week?
Over the last 7 days, the CAMS air-quality model put Nāgercoil's daily AQI at 46 on average, from 23 on Nov 6 to an hourly peak of 101 on Nov 10. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
Is Nāgercoil'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 Nāgercoil lost since 2001?
Since 2001, the area within 10 km of Nāgercoil has lost about 456 hectares of forest (about 640 football pitches): 5.8% of the forest it had in 2000. Most of it (96%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Nāgercoil grew from about 17,600 hectares to 18,300 hectares, a net gain of about 722 hectares (+4.1%). New forest grew on about 974 hectares, while 251 hectares were lost.
What is the tree count in Nāgercoil?
Nāgercoil has an estimated 128,491 trees across the 12.57 km² measured — 40.9% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Nāgercoil need?
Nāgercoil has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Nāgercoil'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 Chidambara Nagar; the tree count is an estimate derived from that cover.
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