City report · Calabarzon, Philippines
Imus Air quality today
Air quality in Imus currently reads AQI 52 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 52
Moderate
- PM2.5, fine particles (µg/m³)
- 9.9
- tree cover
- 32.5%
- trees in this area
- 102K
- more trees needed
- 0
Measured across a 2 km radius around Poblacion III-A, Imus, Cavite, Philippines (12.57 km²), from a satellite image of Sep 13, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Imus · AQI 52 (Moderate)
Imus's tree count comes to 102,102 trees across 12.57 km², already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Imus today: AQI 52, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 23:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Barangay San Antonio - Parañaque-Sucat Road (Shopwise), 11 km away · median of 34 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
9.9
PM10
—
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · AirGradient, Clarity, EarthLab, CS, DLSU, EGT
- 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 Imus's daily AQI at 42 on average, from 27 on Nov 9 to an hourly peak of 60 on Nov 4.
Where Imus stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Imus: Healthy tree cover
32.5% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
102,102
Target trees
102,102
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Imus lost?
Since 2001, the area within 10 km of Imus has lost about 108 hectares of forest (about 150 football pitches): 9.8% of the forest it had in 2000. Most of it (93%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from April 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 108 haabout 150 football pitches
- Share of its forest
- 9.8%of what there was in 2000
- Cleared for good
- 100 hadeforestation: turned into farms, mines or towns
The worst year was 2001, when about 30 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 | 26 ha | 4 ha | 30 ha |
| 2002 | 5 ha | under 1 ha | 6 ha |
| 2003 | 3 ha | under 1 ha | 3 ha |
| 2004 | 1 ha | under 1 ha | 2 ha |
| 2005 | 4 ha | under 1 ha | 4 ha |
| 2006 | 13 ha | under 1 ha | 13 ha |
| 2007 | 12 ha | under 1 ha | 12 ha |
| 2008 | 8 ha | under 1 ha | 8 ha |
| 2009 | 6 ha | under 1 ha | 7 ha |
| 2010 | 3 ha | under 1 ha | 3 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | 9 ha | under 1 ha | 9 ha |
| 2013 | 2 ha | under 1 ha | 2 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 | 1 ha | under 1 ha | 1 ha |
| 2018 | 2 ha | under 1 ha | 2 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 | 1 ha | under 1 ha | 1 ha |
| 2025 | 1 ha | under 1 ha | 2 ha |
What is causing deforestation around Imus?
- Towns and roadscleared for good78% · 84 ha
- Farms, pasture and plantationscleared for good16% · 17 ha
- Unknown causescause unknown6.8% · 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
- 2,400 ha
- Forest in 2020
- 2,520 ha
- Overall change
- +118 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Imus grew from about 2,400 hectares to 2,520 hectares, a net gain of about 118 hectares (+4.9%). New forest grew on about 232 hectares, while 113 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 Imus
Same 2 km radius, same index — so they compare directly.
- Muntinlupa12.7 km
Philippines
- Tree cover
- 32%
- Air quality
- 27
- Taguig18.6 km
Philippines
- Tree cover
- 32%
- Air quality
- 52
- Manila20.0 km
Philippines
- Tree cover
- 10%
- Air quality
- 53
- Santa Rosa22.9 km
Philippines
- Tree cover
- 31%
- Air quality
- 9
- Silang24.1 km
Philippines
- Tree cover
- 62%
- Air quality
- 9
- Angono25.7 km
Philippines
- Tree cover
- 30%
- Air quality
- 57
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Frequently asked
Questions about Imus
What is the air quality (AQI) in Imus right now?
The latest reading for Imus shows an AQI of 52 (Moderate), measured Nov 11, 23:00 local time by 34 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Barangay San Antonio - Parañaque-Sucat Road (Shopwise), 11 km away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Imus today?
At AQI 52 (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 Imus been like this week?
Over the last 7 days, the CAMS air-quality model put Imus's daily AQI at 42 on average, from 27 on Nov 9 to an hourly peak of 60 on Nov 4. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Imus lost since 2001?
Since 2001, the area within 10 km of Imus has lost about 108 hectares of forest (about 150 football pitches): 9.8% of the forest it had in 2000. Most of it (93%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Imus grew from about 2,400 hectares to 2,520 hectares, a net gain of about 118 hectares (+4.9%). New forest grew on about 232 hectares, while 113 hectares were lost.
What is the tree count in Imus?
Imus has an estimated 102,102 trees across the 12.57 km² measured — 32.5% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Imus need?
Imus has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Imus's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Poblacion III-A, 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 III-A; the tree count is an estimate derived from that cover.
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