City report · Maharashtra, India
Thāne Air quality today
Air quality in Thāne currently reads AQI 120 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
AQI 120
Air quality right now
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 43.1
- tree cover
- 32.3%
- trees in this area
- 101K
- more trees needed
- 8.4K
Measured across a 2 km radius around Dandekar Colony, Panch Pakhdi, Thane West, Thane, Maharashtra, India (12.57 km²), from a satellite image of Oct 18, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Thāne · AQI 120 (Unhealthy for sensitive groups)
Thāne's tree count comes to 100,966 trees across 12.51 km² of land, 3 points below the 35% tree-cover level considered healthy for this area, so roughly 8,440 more trees would close the gap.
Air quality detail
Air quality in Thāne today: AQI 120, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 11, 21:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Upvan Fort, Thane - MPCB, 2.9 km away · median of 6 stations
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
43.1
PM10
148.7
NO₂
27.8
O₃
39.6
SO₂
24.2
CO
0.7
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 Thāne's daily AQI at 139 on average, from 131 on Nov 7 to an hourly peak of 182 on Nov 4.
This is the US EPA AQI. How it differs from India's AQI (CPCB) · The full guide
Where Thāne stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Thāne: Below target
32.3% tree cover against a 35% healthy-neighborhood target, across 12.51 km² of land.
Trees in this area
100,966
Target trees
109,406
More trees needed
8,440
CO₂ if planted / yr
185.7 t
Deforestation · 2001–2025
How much forest has Thāne lost?
Almost no forest has been lost around Thāne since 2001: less than 1 hectare of the 1,640 hectares there in 2000.
2017: satellite photo from March 2017 of a 5 × 5 km area in the city center.
Forest gained and lost, 2000–2020
- Forest in 2000
- 10,300 ha
- Forest in 2020
- 10,700 ha
- Overall change
- +357 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Thāne grew from about 10,300 hectares to 10,700 hectares, a net gain of about 357 hectares (+3.5%). New forest grew on about 452 hectares, while 95 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 Thāne
What is the air quality (AQI) in Thāne right now?
The latest reading for Thāne shows an AQI of 120 (Unhealthy for sensitive groups), measured Nov 11, 21:00 local time by 6 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Upvan Fort, Thane - MPCB, 2.9 km away). The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Thāne today?
At AQI 120 (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 Thāne been like this week?
Over the last 7 days, the CAMS air-quality model put Thāne's daily AQI at 139 on average, from 131 on Nov 7 to an hourly peak of 182 on Nov 4. On 7 of those days the average was above 100, unhealthy for sensitive groups.
Is Thāne'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 Thāne lost since 2001?
Almost no forest has been lost around Thāne since 2001: less than 1 hectare of the 1,640 hectares there in 2000. Comparing satellite maps from 2000 and 2020, the forest around Thāne grew from about 10,300 hectares to 10,700 hectares, a net gain of about 357 hectares (+3.5%). New forest grew on about 452 hectares, while 95 hectares were lost.
What is the tree count in Thāne?
Thāne has an estimated 100,966 trees across the 12.51 km² of land measured — 32.3% tree cover, 3 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Thāne need?
Thāne needs roughly 8,440 more trees to close a 3-point shortfall against its 35% tree-cover target — about 185.7 t of extra CO₂ absorbed per year once grown.
How are Thāne's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Dandekar Colony, 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 Dandekar Colony; the tree count is an estimate derived from that cover.
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