City report · Jharkhand, India
Giridih Air quality today
Air quality in Giridih currently reads AQI 103 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
Air quality right now
AQI 103
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 37.9
- tree cover
- 28.6%
- trees in this area
- 89.8K
- more trees needed
- 20.1K
Measured across a 2 km radius around Jai Prakash Nagar, Giridih, Jharkhand, India (12.57 km²), from a satellite image of Oct 23, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Giridih · AQI 103 (Unhealthy for sensitive groups)
Giridih's tree count comes to 89,850 trees across 12.57 km², 6 points below the 35% tree-cover level considered healthy for this area, so roughly 20,106 more trees would close the gap.
Air quality detail
Air quality in Giridih today: AQI 103, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 11, 03:30 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 85 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 2 station cities within 85 km, e.g. Dhanbad and Kulti
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
37.9
PM10
66.6
NO₂
10.5
O₃
52.0
SO₂
8.8
CO
362.0
- 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 Giridih's daily AQI at 148 on average, from 103 on Nov 9 to an hourly peak of 180 on Nov 5.
This is the US EPA AQI. How it differs from India's AQI (CPCB) · The full guide
Where Giridih stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Giridih: Below target
28.6% tree cover against a 35% healthy-neighborhood target, across 12.57 km².
Trees in this area
89,850
Target trees
109,956
More trees needed
20,106
CO₂ if planted / yr
442.3 t
Deforestation · 2001–2025
How much forest has Giridih lost?
There was almost no forest around Giridih 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 January 2017 of a 5 × 5 km area in the city center.
Forest gained and lost, 2000–2020
- Forest in 2000
- 1,170 ha
- Forest in 2020
- 1,500 ha
- Overall change
- +336 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Giridih grew from about 1,170 hectares to 1,500 hectares, a net gain of about 336 hectares (+29%). New forest grew on about 337 hectares, while 1 hectare 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 Giridih
What is the air quality (AQI) in Giridih right now?
The latest reading for Giridih shows an AQI of 103 (Unhealthy for sensitive groups), observed Nov 11, 03:30 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 85 km, US EPA index. The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Giridih today?
At AQI 103 (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 Giridih been like this week?
Over the last 7 days, the CAMS air-quality model put Giridih's daily AQI at 148 on average, from 103 on Nov 9 to an hourly peak of 180 on Nov 5. On 7 of those days the average was above 100, unhealthy for sensitive groups.
Is Giridih'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 Giridih lost since 2001?
There was almost no forest around Giridih 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. Comparing satellite maps from 2000 and 2020, the forest around Giridih grew from about 1,170 hectares to 1,500 hectares, a net gain of about 336 hectares (+29%). New forest grew on about 337 hectares, while 1 hectare were lost.
What is the tree count in Giridih?
Giridih has an estimated 89,850 trees across the 12.57 km² measured — 28.6% tree cover, 6 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Giridih need?
Giridih needs roughly 20,106 more trees to close a 6-point shortfall against its 35% tree-cover target — about 442.3 t of extra CO₂ absorbed per year once grown.
How are Giridih'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 Jai Prakash Nagar; the tree count is an estimate derived from that cover.
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