City report · East Java, Indonesia
Kediri Air quality today
Air quality in Kediri currently reads AQI 54 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 54
Moderate
- PM2.5, fine particles (µg/m³)
- 11.6
- tree cover
- 13.7%
- trees in this area
- 42.5K
- more trees needed
- 50.5K
Measured across a 2 km radius around Kediri, Kediri Regency, East Java, Indonesia (12.57 km²), from a satellite image of Sep 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Kediri · AQI 54 (Moderate)
Kediri's tree count comes to 42,480 trees across 12.41 km² of land, 16 points below the 30% tree-cover level considered healthy for this area, so roughly 50,542 more trees would close the gap.
Air quality detail
Air quality in Kediri today: AQI 54, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 16:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 185 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 2 station cities within 185 km, e.g. Yogyakarta and Yogyakarta
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
11.6
PM10
29.2
NO₂
15.9
O₃
63.0
SO₂
4.4
CO
615.0
- 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 Kediri's daily AQI at 106 on average, from 87 on Nov 5 to an hourly peak of 171 on Nov 6.
This is the US EPA AQI. How it differs from Indonesia's ISPU
Where Kediri stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Kediri: Critically low
13.7% tree cover against a 30% healthy-neighborhood target, across 12.41 km² of land.
Trees in this area
42,480
Target trees
93,022
More trees needed
50,542
CO₂ if planted / yr
1,112 t
Deforestation · 2001–2025
How much forest has Kediri lost?
Since 2001, the area within 10 km of Kediri has lost about 99 hectares of forest (about 140 football pitches): 1% of the forest it had in 2000. Most of it (79%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from August 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 99 haabout 140 football pitches
- Share of its forest
- 1%of what there was in 2000
- Cleared for good
- 78 hadeforestation: turned into farms, mines or towns
The worst year was 2017, when about 20 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 | 2 ha | under 1 ha | 2 ha |
| 2002 | 1 ha | under 1 ha | 1 ha |
| 2003 | 1 ha | under 1 ha | 1 ha |
| 2004 | 1 ha | 2 ha | 3 ha |
| 2005 | 3 ha | under 1 ha | 4 ha |
| 2006 | under 1 ha | under 1 ha | 2 ha |
| 2007 | 1 ha | under 1 ha | 2 ha |
| 2008 | 2 ha | 1 ha | 4 ha |
| 2009 | 3 ha | under 1 ha | 4 ha |
| 2010 | 1 ha | under 1 ha | 2 ha |
| 2011 | 4 ha | 2 ha | 6 ha |
| 2012 | 2 ha | 1 ha | 3 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 | 17 ha | 3 ha | 20 ha |
| 2018 | 3 ha | under 1 ha | 3 ha |
| 2019 | 3 ha | under 1 ha | 3 ha |
| 2020 | 7 ha | under 1 ha | 7 ha |
| 2021 | 6 ha | 1 ha | 7 ha |
| 2022 | 7 ha | 1 ha | 8 ha |
| 2023 | 5 ha | under 1 ha | 6 ha |
| 2024 | 4 ha | under 1 ha | 4 ha |
| 2025 | 3 ha | 2 ha | 5 ha |
What is causing deforestation around Kediri?
- Farms, pasture and plantationscleared for good57% · 57 ha
- Towns and roadscleared for good21% · 21 ha
- Unknown causescause unknown21% · 21 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
- 13,100 ha
- Forest in 2020
- 12,700 ha
- Overall change
- −342 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Kediri shrank from about 13,100 hectares to 12,700 hectares, a net loss of about 342 hectares (−2.6%). New forest grew on about 251 hectares, but 592 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 Kediri
What is the air quality (AQI) in Kediri right now?
The latest reading for Kediri shows an AQI of 54 (Moderate), observed Nov 11, 16:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 185 km, 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 Kediri today?
At AQI 54 (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 Kediri been like this week?
Over the last 7 days, the CAMS air-quality model put Kediri's daily AQI at 106 on average, from 87 on Nov 5 to an hourly peak of 171 on Nov 6. On 4 of those days the average was above 100, unhealthy for sensitive groups.
Is Kediri'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 Kediri lost since 2001?
Since 2001, the area within 10 km of Kediri has lost about 99 hectares of forest (about 140 football pitches): 1% of the forest it had in 2000. Most of it (79%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Kediri shrank from about 13,100 hectares to 12,700 hectares, a net loss of about 342 hectares (−2.6%). New forest grew on about 251 hectares, but 592 hectares were lost.
What is the tree count in Kediri?
Kediri has an estimated 42,480 trees across the 12.41 km² of land measured — 13.7% tree cover, 16 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Kediri need?
Kediri needs roughly 50,542 more trees to close a 16-point shortfall against its 30% tree-cover target — about 1,112 t of extra CO₂ absorbed per year once grown.
How are Kediri'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 Kediri; the tree count is an estimate derived from that cover.
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