City report · Central Java, Indonesia
Tegal Air quality today
Air quality in Tegal 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)
- 33.9
- tree cover
- 12.1%
- trees in this area
- 37.8K
- more trees needed
- 71.5K
Measured across a 2 km radius around Tegal, Tegal City, Central Java, Indonesia (12.57 km²), from a satellite image of Sep 17, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Tegal · AQI 103 (Unhealthy for sensitive groups)
Tegal's tree count comes to 37,785 trees across 12.49 km² of land, 23 points below the 35% tree-cover level considered healthy for this area, so roughly 71,511 more trees would close the gap.
Air quality detail
Air quality in Tegal today: AQI 103, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 11, 18:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 145 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 2 station cities within 145 km, e.g. Semarang and West Ungaran
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
33.9
PM10
40.9
NO₂
8.5
O₃
153.0
SO₂
25.5
CO
373.0
- 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 Tegal's daily AQI at 90 on average, from 75 on Nov 5 to an hourly peak of 127 on Nov 11.
This is the US EPA AQI. How it differs from Indonesia's ISPU
Where Tegal stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Tegal: Critically low
12.1% tree cover against a 35% healthy-neighborhood target, across 12.49 km² of land.
Trees in this area
37,785
Target trees
109,296
More trees needed
71,511
CO₂ if planted / yr
1,573 t
Deforestation · 2001–2025
How much forest has Tegal lost?
Since 2001, the area within 10 km of Tegal has lost about 19 hectares of forest (about 27 football pitches): under 1% of the forest it had in 2000. Most of it (65%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from September 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 19 haabout 27 football pitches
- Share of its forest
- under 1%of what there was in 2000
- Cleared for good
- 13 hadeforestation: turned into farms, mines or towns
The worst year was 2017, when about 8 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 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | under 1 ha | under 1 ha | 1 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | 1 ha | under 1 ha | 2 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 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 | 7 ha | under 1 ha | 8 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 Tegal?
- Towns and roadscleared for good58% · 11 ha
- Farms, pasture and plantationscleared for good6.3% · 1 ha
- Unknown causescause unknown36% · 7 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
- 4,020 ha
- Forest in 2020
- 4,080 ha
- Overall change
- +64 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Tegal stayed about the same size, at about 4,080 hectares: new forest grew on about 149 hectares, and about 85 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 Tegal
Same 2 km radius, same index — so they compare directly.
- Pemalang26.9 km
Indonesia
- Tree cover
- 16%
- Air quality
- 103
- Astanajapura56.7 km
Indonesia
- Tree cover
- 19%
- Air quality
- 80
- Kedungwuni57.2 km
Indonesia
- Tree cover
- 36%
- Air quality
- 82
- Pekalongan59.1 km
Indonesia
- Tree cover
- 21%
- Air quality
- 118
- Purwokerto62.3 km
Indonesia
- Tree cover
- 18%
- Air quality
- 55
- Cirebon66.9 km
Indonesia
- Tree cover
- 16%
- Air quality
- 71
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Frequently asked
Questions about Tegal
What is the air quality (AQI) in Tegal right now?
The latest reading for Tegal shows an AQI of 103 (Unhealthy for sensitive groups), observed Nov 11, 18:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 145 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 Tegal 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 Tegal been like this week?
Over the last 7 days, the CAMS air-quality model put Tegal's daily AQI at 90 on average, from 75 on Nov 5 to an hourly peak of 127 on Nov 11. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
Is Tegal's AQI the same as Indonesia's ISPU?
No. Airleaf shows the US EPA Air Quality Index (AQI), the scale used by IQAir and most air-quality apps. Indonesia's official index is the ISPU (Indeks Standar Pencemar Udara), published by the environment ministry from its own monitoring stations. Its bands are 0–50 Baik (good), 51–100 Sedang (moderate), 101–200 Tidak Sehat (unhealthy), 201–300 Sangat Tidak Sehat (very unhealthy) and over 300 Berbahaya (hazardous). The two indexes use different breakpoints and averaging times, so the same air can score differently on each.
How much forest has the area around Tegal lost since 2001?
Since 2001, the area within 10 km of Tegal has lost about 19 hectares of forest (about 27 football pitches): under 1% of the forest it had in 2000. Most of it (65%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Tegal stayed about the same size, at about 4,080 hectares: new forest grew on about 149 hectares, and about 85 hectares were lost.
What is the tree count in Tegal?
Tegal has an estimated 37,785 trees across the 12.49 km² of land measured — 12.1% tree cover, 23 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Tegal need?
Tegal needs roughly 71,511 more trees to close a 23-point shortfall against its 35% tree-cover target — about 1,573 t of extra CO₂ absorbed per year once grown.
How are Tegal'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 Tegal; the tree count is an estimate derived from that cover.
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