City report · West Nusa Tenggara, Indonesia
Mataram Air quality today
Air quality in Mataram currently reads AQI 81 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 81
Moderate
- PM2.5, fine particles (µg/m³)
- 22.0
- tree cover
- 27.7%
- trees in this area
- 86.9K
- more trees needed
- 7.2K
Measured across a 2 km radius around Mataram, Mataram City, West Nusa Tenggara, Indonesia (12.57 km²), from a satellite image of Sep 13, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Mataram · AQI 81 (Moderate)
Mataram's tree count comes to 86,935 trees across 12.56 km² of land, 2 points below the 30% tree-cover level considered healthy for this area, so roughly 7,218 more trees would close the gap.
Air quality detail
Air quality in Mataram today: AQI 81, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 14:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 105 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 2 station cities within 105 km, e.g. Semarapura and Sukawati
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
22.0
PM10
12.2
NO₂
2.2
O₃
105.0
SO₂
3.1
CO
508.0
- 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 Mataram's daily AQI at 54 on average, from 48 on Nov 9 to an hourly peak of 65 on Nov 8.
This is the US EPA AQI. How it differs from Indonesia's ISPU
Where Mataram stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Mataram: Below target
27.7% tree cover against a 30% healthy-neighborhood target, across 12.56 km² of land.
Trees in this area
86,935
Target trees
94,153
More trees needed
7,218
CO₂ if planted / yr
158.8 t
Deforestation · 2001–2025
How much forest has Mataram lost?
Since 2001, the area within 10 km of Mataram has lost about 204 hectares of forest (about 290 football pitches): 2% of the forest it had in 2000. Most of it (88%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from July 2017 of a 5 × 5 km area about 7 km northeast of the city center.
- Forest lost since 2001
- 204 haabout 290 football pitches
- Share of its forest
- 2%of what there was in 2000
- Cleared for good
- 180 hadeforestation: turned into farms, mines or towns
The worst year was 2022, when about 25 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 | 3 ha | 2 ha | 5 ha |
| 2002 | 1 ha | under 1 ha | 2 ha |
| 2003 | 2 ha | under 1 ha | 3 ha |
| 2004 | 3 ha | 1 ha | 4 ha |
| 2005 | 3 ha | 2 ha | 5 ha |
| 2006 | 2 ha | under 1 ha | 2 ha |
| 2007 | 10 ha | 2 ha | 12 ha |
| 2008 | 3 ha | 1 ha | 5 ha |
| 2009 | 7 ha | 1 ha | 8 ha |
| 2010 | 4 ha | 2 ha | 6 ha |
| 2011 | 6 ha | 2 ha | 8 ha |
| 2012 | 15 ha | 3 ha | 18 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | 1 ha | under 1 ha | 2 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | 2 ha | under 1 ha | 2 ha |
| 2017 | 3 ha | under 1 ha | 3 ha |
| 2018 | 4 ha | under 1 ha | 4 ha |
| 2019 | 2 ha | under 1 ha | 3 ha |
| 2020 | 22 ha | under 1 ha | 23 ha |
| 2021 | 24 ha | under 1 ha | 24 ha |
| 2022 | 24 ha | 1 ha | 25 ha |
| 2023 | 24 ha | under 1 ha | 24 ha |
| 2024 | 8 ha | under 1 ha | 8 ha |
| 2025 | 6 ha | 2 ha | 8 ha |
What is causing deforestation around Mataram?
- Towns and roadscleared for good43% · 87 ha
- Farms, pasture and plantationscleared for good26% · 52 ha
- Mining and energycleared for good20% · 41 ha
Also: unknown 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
- 10,600 ha
- Forest in 2020
- 10,300 ha
- Overall change
- −245 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Mataram shrank from about 10,600 hectares to 10,300 hectares, a net loss of about 245 hectares (−2.3%). New forest grew on about 225 hectares, but 471 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 Mataram
Same 2 km radius, same index — so they compare directly.
- Klungkung79.0 km
Indonesia
- Tree cover
- 52%
- Air quality
- 127
- Sukawati90.6 km
Indonesia
- Tree cover
- 33%
- Air quality
- 130
- Denpasar99.2 km
Indonesia
- Tree cover
- 13%
- Air quality
- 153
- Singaraja124.7 km
Indonesia
- Tree cover
- 24%
- Air quality
- 148
- Negara166.9 km
Indonesia
- Tree cover
- 33%
- Air quality
- 129
- Banyuwangi197.4 km
Indonesia
- Tree cover
- 30%
- Air quality
- 184
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Frequently asked
Questions about Mataram
What is the air quality (AQI) in Mataram right now?
The latest reading for Mataram shows an AQI of 81 (Moderate), observed Nov 11, 14:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 105 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 Mataram today?
At AQI 81 (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 Mataram been like this week?
Over the last 7 days, the CAMS air-quality model put Mataram's daily AQI at 54 on average, from 48 on Nov 9 to an hourly peak of 65 on Nov 8. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
Is Mataram'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 Mataram lost since 2001?
Since 2001, the area within 10 km of Mataram has lost about 204 hectares of forest (about 290 football pitches): 2% of the forest it had in 2000. Most of it (88%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Mataram shrank from about 10,600 hectares to 10,300 hectares, a net loss of about 245 hectares (−2.3%). New forest grew on about 225 hectares, but 471 hectares were lost.
What is the tree count in Mataram?
Mataram has an estimated 86,935 trees across the 12.56 km² of land measured — 27.7% tree cover, 2 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Mataram need?
Mataram needs roughly 7,218 more trees to close a 2-point shortfall against its 30% tree-cover target — about 158.8 t of extra CO₂ absorbed per year once grown.
How are Mataram'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 Mataram; the tree count is an estimate derived from that cover.
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