City report · Calabarzon, Philippines
San Pablo Air quality today
Air quality in San Pablo currently reads AQI 61 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 61
Moderate
- PM2.5, fine particles (µg/m³)
- 15.3
- tree cover
- 44.9%
- trees in this area
- 130K
- more trees needed
- 0
Measured across a 2 km radius around Barangay VII-D, San Pablo City, Laguna, Philippines (12.57 km²), from a satellite image of Jun 7, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
San Pablo · AQI 61 (Moderate)
San Pablo's tree count comes to 130,337 trees across 11.61 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in San Pablo today: AQI 61, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 10:00 local time via Open-Meteo / CAMS, corrected with 3 ground-station cities within 65 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 3 station cities within 65 km, e.g. City of Santa Rosa and Binangonan
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
15.3
PM10
7.2
NO₂
3.5
O₃
96.0
SO₂
5.4
CO
160.0
- 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 San Pablo's daily AQI at 33 on average, from 23 on Nov 9 to an hourly peak of 54 on Nov 10.
Where San Pablo stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in San Pablo: Healthy tree cover
44.9% tree cover against a 30% healthy-neighborhood target, across 11.61 km² of land.
Trees in this area
130,337
Target trees
130,337
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has San Pablo lost?
Since 2001, the area within 10 km of San Pablo has lost about 2,460 hectares of forest (about 3,400 football pitches): 10% of the forest it had in 2000. Most of it (98%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from June 2017 of a 5 × 5 km area about 5 km south of the city center.
- Forest lost since 2001
- 2,460 haabout 3,400 football pitches
- Share of its forest
- 10%of what there was in 2000
- Cleared for good
- 2,410 hadeforestation: turned into farms, mines or towns
Forest loss is speeding up: about 52 hectares a year in 2021–2025, up from 30 hectares a year in 2016–2020. The worst year was 2010, when about 978 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 | 111 ha | 4 ha | 115 ha |
| 2002 | 50 ha | 3 ha | 53 ha |
| 2003 | 60 ha | 1 ha | 61 ha |
| 2004 | 56 ha | 2 ha | 57 ha |
| 2005 | 64 ha | 3 ha | 66 ha |
| 2006 | 178 ha | 8 ha | 186 ha |
| 2007 | 60 ha | 1 ha | 62 ha |
| 2008 | 47 ha | 5 ha | 52 ha |
| 2009 | 128 ha | 4 ha | 132 ha |
| 2010 | 972 ha | 6 ha | 978 ha |
| 2011 | 2 ha | under 1 ha | 3 ha |
| 2012 | 88 ha | 3 ha | 92 ha |
| 2013 | 25 ha | under 1 ha | 25 ha |
| 2014 | 152 ha | 2 ha | 154 ha |
| 2015 | 20 ha | under 1 ha | 20 ha |
| 2016 | 49 ha | under 1 ha | 49 ha |
| 2017 | 28 ha | 2 ha | 29 ha |
| 2018 | 28 ha | under 1 ha | 29 ha |
| 2019 | 20 ha | under 1 ha | 20 ha |
| 2020 | 21 ha | under 1 ha | 22 ha |
| 2021 | 10 ha | 2 ha | 12 ha |
| 2022 | 23 ha | 1 ha | 24 ha |
| 2023 | 73 ha | 1 ha | 75 ha |
| 2024 | 105 ha | under 1 ha | 105 ha |
| 2025 | 43 ha | under 1 ha | 43 ha |
What is causing deforestation around San Pablo?
- Farms, pasture and plantationscleared for good92% · 2,270 ha
- Towns and roadscleared for good5.8% · 142 ha
- Shifting farmingcan grow back1.9% · 46 ha
Also: 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
- 27,200 ha
- Forest in 2020
- 26,000 ha
- Overall change
- −1,130 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around San Pablo shrank from about 27,200 hectares to 26,000 hectares, a net loss of about 1,130 hectares (−4.1%). New forest grew on about 55 hectares, but 1,180 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 San Pablo
Same 2 km radius, same index — so they compare directly.
- Los Baños14.5 km
Philippines
- Tree cover
- 66%
- Air quality
- 62
- Candelaria18.5 km
Philippines
- Tree cover
- 54%
- Air quality
- 56
- Lipa City22.5 km
Philippines
- Tree cover
- 36%
- Air quality
- 66
- Calamba23.5 km
Philippines
- Tree cover
- 41%
- Air quality
- 61
- Santa Cruz25.6 km
Philippines
- Tree cover
- 19%
- Air quality
- 56
- Rosario27.9 km
Philippines
- Tree cover
- 56%
- Air quality
- 77
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Frequently asked
Questions about San Pablo
What is the air quality (AQI) in San Pablo right now?
The latest reading for San Pablo shows an AQI of 61 (Moderate), observed Nov 11, 10:00 local time via Open-Meteo / CAMS, corrected with 3 ground-station cities within 65 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 San Pablo today?
At AQI 61 (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 San Pablo been like this week?
Over the last 7 days, the CAMS air-quality model put San Pablo's daily AQI at 33 on average, from 23 on Nov 9 to an hourly peak of 54 on Nov 10. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around San Pablo lost since 2001?
Since 2001, the area within 10 km of San Pablo has lost about 2,460 hectares of forest (about 3,400 football pitches): 10% of the forest it had in 2000. Most of it (98%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss is speeding up: about 52 hectares a year in 2021–2025, up from 30 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around San Pablo shrank from about 27,200 hectares to 26,000 hectares, a net loss of about 1,130 hectares (−4.1%). New forest grew on about 55 hectares, but 1,180 hectares were lost.
What is the tree count in San Pablo?
San Pablo has an estimated 130,337 trees across the 11.61 km² of land measured — 44.9% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does San Pablo need?
San Pablo has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are San Pablo'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 Barangay VII-D; the tree count is an estimate derived from that cover.
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