City report · Central Luzon, Philippines
Mariveles Air quality today
Air quality in Mariveles currently reads AQI 9 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 9
Good
- PM2.5, fine particles (µg/m³)
- 1.7
- tree cover
- 69.5%
- trees in this area
- 160K
- more trees needed
- 0
Measured across a 2 km radius around Poblacion, Mariveles, Bataan, Philippines (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Mariveles · AQI 9 (Good)
Mariveles's tree count comes to 160,480 trees across 9.24 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Mariveles today: AQI 9, Good
Main pollutant: PM2.5 · Observed Nov 12, 00:05 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Lamao, Limay, 16.1 km away · median of 2 stations
Health signal
Air quality is satisfactory for everyone.
PM2.5
1.7
PM10
—
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · Clarity
- Outdoor exercise
- A good day to be active outside
- Windows
- Open them to air the house
- Mask
- Not needed
- Air purifier
- Not needed
Over the last 7 days, the CAMS air-quality model put Mariveles's daily AQI at 44 on average, from 31 on Nov 9 to an hourly peak of 69 on Nov 6.
Where Mariveles stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Mariveles: Healthy tree cover
69.5% tree cover against a 30% healthy-neighborhood target, across 9.24 km² of land.
Trees in this area
160,480
Target trees
160,480
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Mariveles lost?
Since 2001, the area within 10 km of Mariveles has lost about 231 hectares of forest (about 320 football pitches): 2.7% of the forest it had in 2000. Most of it (82%) was deforestation, forest cleared for good, mainly for mining and energy.
2017: satellite photo from April 2017 of a 5 × 5 km area about 7 km northwest of the city center.
- Forest lost since 2001
- 231 haabout 320 football pitches
- Share of its forest
- 2.7%of what there was in 2000
- Cleared for good
- 189 hadeforestation: turned into farms, mines or towns
The worst year was 2023, when about 49 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 | under 1 ha | 1 ha | 2 ha |
| 2003 | 5 ha | under 1 ha | 5 ha |
| 2004 | 3 ha | 4 ha | 7 ha |
| 2005 | 6 ha | 4 ha | 11 ha |
| 2006 | 6 ha | 8 ha | 14 ha |
| 2007 | 7 ha | 3 ha | 9 ha |
| 2008 | 1 ha | 1 ha | 2 ha |
| 2009 | 5 ha | under 1 ha | 5 ha |
| 2010 | 7 ha | under 1 ha | 8 ha |
| 2011 | 2 ha | under 1 ha | 3 ha |
| 2012 | 16 ha | 3 ha | 19 ha |
| 2013 | under 1 ha | under 1 ha | 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | 8 ha | under 1 ha | 8 ha |
| 2017 | 18 ha | under 1 ha | 18 ha |
| 2018 | 8 ha | under 1 ha | 8 ha |
| 2019 | 3 ha | under 1 ha | 3 ha |
| 2020 | 4 ha | under 1 ha | 5 ha |
| 2021 | 13 ha | under 1 ha | 13 ha |
| 2022 | 11 ha | under 1 ha | 11 ha |
| 2023 | 49 ha | under 1 ha | 49 ha |
| 2024 | 5 ha | 1 ha | 6 ha |
| 2025 | 10 ha | 11 ha | 21 ha |
What is causing deforestation around Mariveles?
- Mining and energycleared for good45% · 103 ha
- Farms, pasture and plantationscleared for good26% · 61 ha
- Towns and roadscleared for good11% · 26 ha
Also: shifting farming, storms, floods and other natural causes, logging, 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
- 11,200 ha
- Forest in 2020
- 11,500 ha
- Overall change
- +298 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Mariveles grew from about 11,200 hectares to 11,500 hectares, a net gain of about 298 hectares (+2.7%). New forest grew on about 381 hectares, while 83 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 Mariveles
Same 2 km radius, same index — so they compare directly.
- Imus48.6 km
Philippines
- Tree cover
- 33%
- Air quality
- 53
- Olongapo49.1 km
Philippines
- Tree cover
- 31%
- Air quality
- 55
- Dasmariñas49.9 km
Philippines
- Tree cover
- 42%
- Air quality
- 34
- Hagonoy51.8 km
Philippines
- Tree cover
- 11%
- Air quality
- 26
- Manila56.7 km
Philippines
- Tree cover
- 10%
- Air quality
- 54
- Malolos57.5 km
Philippines
- Tree cover
- 20%
- Air quality
- 83
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Frequently asked
Questions about Mariveles
What is the air quality (AQI) in Mariveles right now?
The latest reading for Mariveles shows an AQI of 9 (Good), measured Nov 12, 00:05 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Lamao, Limay, 16.1 km away). The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Mariveles today?
At AQI 9 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Mariveles been like this week?
Over the last 7 days, the CAMS air-quality model put Mariveles's daily AQI at 44 on average, from 31 on Nov 9 to an hourly peak of 69 on Nov 6. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Mariveles lost since 2001?
Since 2001, the area within 10 km of Mariveles has lost about 231 hectares of forest (about 320 football pitches): 2.7% of the forest it had in 2000. Most of it (82%) was deforestation, forest cleared for good, mainly for mining and energy. Comparing satellite maps from 2000 and 2020, the forest around Mariveles grew from about 11,200 hectares to 11,500 hectares, a net gain of about 298 hectares (+2.7%). New forest grew on about 381 hectares, while 83 hectares were lost.
What is the tree count in Mariveles?
Mariveles has an estimated 160,480 trees across the 9.24 km² of land measured — 69.5% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Mariveles need?
Mariveles has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Mariveles's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Poblacion, 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 Poblacion; the tree count is an estimate derived from that cover.
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