City report · Central Luzon, Philippines
Baliuag Air quality today
Air quality in Baliuag currently reads AQI 33 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 33
Good
- PM2.5, fine particles (µg/m³)
- 6.0
- tree cover
- 41.6%
- trees in this area
- 130K
- more trees needed
- 0
Measured across a 2 km radius around Santo Cristo, Baliwag, Bulacan, Philippines (12.57 km²), from a satellite image of Sep 13, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Baliuag · AQI 33 (Good)
Baliuag's tree count comes to 130,167 trees across 12.52 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Baliuag today: AQI 33, Good
Main pollutant: PM2.5 · Observed Nov 11, 23:53 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Quezon Road , 16.4 km away
Health signal
Air quality is satisfactory for everyone.
PM2.5
6.0
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 Baliuag's daily AQI at 43 on average, from 31 on Nov 9 to an hourly peak of 62 on Nov 6.
Where Baliuag stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Baliuag: Healthy tree cover
41.6% tree cover against a 30% healthy-neighborhood target, across 12.52 km² of land.
Trees in this area
130,167
Target trees
130,167
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Baliuag lost?
Since 2001, the area within 10 km of Baliuag has lost about 173 hectares of forest (about 240 football pitches): 5.3% of the forest it had in 2000. Most of it (89%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from April 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 173 haabout 240 football pitches
- Share of its forest
- 5.3%of what there was in 2000
- Cleared for good
- 155 hadeforestation: turned into farms, mines or towns
The worst year was 2001, when about 61 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 | 56 ha | 5 ha | 61 ha |
| 2002 | 6 ha | under 1 ha | 6 ha |
| 2003 | 3 ha | under 1 ha | 3 ha |
| 2004 | 4 ha | under 1 ha | 4 ha |
| 2005 | 4 ha | 1 ha | 5 ha |
| 2006 | 1 ha | under 1 ha | 2 ha |
| 2007 | 3 ha | under 1 ha | 4 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | 13 ha | 2 ha | 15 ha |
| 2010 | 3 ha | under 1 ha | 4 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | 25 ha | 3 ha | 28 ha |
| 2013 | 2 ha | under 1 ha | 2 ha |
| 2014 | 2 ha | under 1 ha | 2 ha |
| 2015 | 1 ha | under 1 ha | 1 ha |
| 2016 | 9 ha | under 1 ha | 9 ha |
| 2017 | 4 ha | under 1 ha | 5 ha |
| 2018 | 3 ha | under 1 ha | 3 ha |
| 2019 | 1 ha | under 1 ha | 1 ha |
| 2020 | 1 ha | under 1 ha | 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | 6 ha | under 1 ha | 6 ha |
| 2024 | 4 ha | under 1 ha | 4 ha |
| 2025 | 2 ha | 2 ha | 4 ha |
What is causing deforestation around Baliuag?
- Farms, pasture and plantationscleared for good54% · 93 ha
- Towns and roadscleared for good36% · 62 ha
- Unknown causescause unknown11% · 19 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
- 2,820 ha
- Forest in 2020
- 2,920 ha
- Overall change
- +108 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Baliuag grew from about 2,820 hectares to 2,920 hectares, a net gain of about 108 hectares (+3.8%). New forest grew on about 257 hectares, while 150 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 Baliuag
Same 2 km radius, same index — so they compare directly.
- Calumpit14.7 km
Philippines
- Tree cover
- 39%
- Air quality
- 33
- Malolos15.4 km
Philippines
- Tree cover
- 20%
- Air quality
- 83
- Norzagaray17.1 km
Philippines
- Tree cover
- 71%
- Air quality
- 92
- Hagonoy22.2 km
Philippines
- Tree cover
- 11%
- Air quality
- 26
- San Jose del Monte22.3 km
Philippines
- Tree cover
- 54%
- Air quality
- 90
- San Fernando24.5 km
Philippines
- Tree cover
- 37%
- Air quality
- 33
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Frequently asked
Questions about Baliuag
What is the air quality (AQI) in Baliuag right now?
The latest reading for Baliuag shows an AQI of 33 (Good), measured Nov 11, 23:53 local time by the Quezon Road ground monitoring station, 16.4 km away, via OpenAQ. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Baliuag today?
At AQI 33 (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 Baliuag been like this week?
Over the last 7 days, the CAMS air-quality model put Baliuag's daily AQI at 43 on average, from 31 on Nov 9 to an hourly peak of 62 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 Baliuag lost since 2001?
Since 2001, the area within 10 km of Baliuag has lost about 173 hectares of forest (about 240 football pitches): 5.3% of the forest it had in 2000. Most of it (89%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Baliuag grew from about 2,820 hectares to 2,920 hectares, a net gain of about 108 hectares (+3.8%). New forest grew on about 257 hectares, while 150 hectares were lost.
What is the tree count in Baliuag?
Baliuag has an estimated 130,167 trees across the 12.52 km² of land measured — 41.6% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Baliuag need?
Baliuag has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Baliuag's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Santo Cristo, 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 Santo Cristo; the tree count is an estimate derived from that cover.
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