City report · Valparaiso, Chile
Quilpué Air quality today
Air quality in Quilpué currently reads AQI 52 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 52
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 8.4
- tree cover
- 16.5%
- trees in this area
- 51.8K
- more trees needed
- 42.4K
Measured across a 2 km radius around Quilpué, Valparaíso, Chile (12.57 km²), from a satellite image of Mar 13, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Quilpué · AQI 52 (Moderate)
Quilpué's tree count comes to 51,836 trees across 12.57 km², 13 points below the 30% tree-cover level considered healthy for this area, so roughly 42,411 more trees would close the gap.
Air quality detail
Air quality in Quilpué today: AQI 52, Moderate
Main pollutant: PM2.5 · Observed Nov 10, 23:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
8.4
PM10
10.2
NO₂
8.6
O₃
52.0
SO₂
5.2
CO
623.0
- 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 Quilpué's daily AQI at 36 on average, from 21 on Nov 6 to an hourly peak of 60 on Nov 9.
Where Quilpué stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Quilpué: Critically low
16.5% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
51,836
Target trees
94,247
More trees needed
42,411
CO₂ if planted / yr
933.0 t
Deforestation · 2001–2025
How much forest has Quilpué lost?
Since 2001, the area within 10 km of Quilpué has lost about 4,150 hectares of forest (about 5,800 football pitches): 50% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. About 59 hectares (1.4%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from January 2017 of a 5 × 5 km area about 7 km south of the city center.
- Forest lost since 2001
- 4,150 haabout 5,800 football pitches
- Share of its forest
- 50%of what there was in 2000
- Cleared for good
- 59 hadeforestation: turned into farms, mines or towns
Forest loss is speeding up: about 598 hectares a year in 2021–2025, up from 100 hectares a year in 2016–2020. The worst year was 2024, when about 1,540 hectares of forest were lost, mostly to wildfires.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | under 1 ha | 7 ha | 7 ha |
| 2002 | 2 ha | 5 ha | 7 ha |
| 2003 | 4 ha | 13 ha | 17 ha |
| 2004 | 3 ha | 48 ha | 51 ha |
| 2005 | under 1 ha | 6 ha | 7 ha |
| 2006 | under 1 ha | 46 ha | 46 ha |
| 2007 | under 1 ha | 47 ha | 47 ha |
| 2008 | under 1 ha | 33 ha | 34 ha |
| 2009 | 2 ha | 71 ha | 73 ha |
| 2010 | 2 ha | 60 ha | 62 ha |
| 2011 | 2 ha | 11 ha | 13 ha |
| 2012 | 1 ha | 226 ha | 227 ha |
| 2013 | 3 ha | 3 ha | 6 ha |
| 2014 | 3 ha | 47 ha | 51 ha |
| 2015 | 3 ha | 7 ha | 10 ha |
| 2016 | 2 ha | 18 ha | 21 ha |
| 2017 | 7 ha | 228 ha | 235 ha |
| 2018 | under 1 ha | 31 ha | 32 ha |
| 2019 | under 1 ha | 20 ha | 21 ha |
| 2020 | under 1 ha | 191 ha | 192 ha |
| 2021 | 4 ha | 1,380 ha | 1,380 ha |
| 2022 | 3 ha | 53 ha | 56 ha |
| 2023 | under 1 ha | 7 ha | 7 ha |
| 2024 | 14 ha | 1,530 ha | 1,540 ha |
| 2025 | under 1 ha | under 1 ha | 1 ha |
What is causing deforestation around Quilpué?
- Wildfirescan grow back96% · 3,980 ha
- Loggingcan grow back2.3% · 96 ha
- Towns and roadscleared for good1.2% · 50 ha
Also: farms, pasture and plantations, mining and energy, 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
- 9,290 ha
- Forest in 2020
- 9,360 ha
- Overall change
- +67 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Quilpué stayed about the same size, at about 9,360 hectares: new forest grew on about 436 hectares, and about 368 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
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Frequently asked
Questions about Quilpué
What is the air quality (AQI) in Quilpué right now?
The latest reading for Quilpué shows an AQI of 52 (Moderate), observed Nov 10, 23:00 local time via Open-Meteo / CAMS, 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 Quilpué 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 Quilpué been like this week?
Over the last 7 days, the CAMS air-quality model put Quilpué's daily AQI at 36 on average, from 21 on Nov 6 to an hourly peak of 60 on Nov 9. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Quilpué lost since 2001?
Since 2001, the area within 10 km of Quilpué has lost about 4,150 hectares of forest (about 5,800 football pitches): 50% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. About 59 hectares (1.4%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is speeding up: about 598 hectares a year in 2021–2025, up from 100 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Quilpué stayed about the same size, at about 9,360 hectares: new forest grew on about 436 hectares, and about 368 hectares were lost.
What is the tree count in Quilpué?
Quilpué has an estimated 51,836 trees across the 12.57 km² measured — 16.5% tree cover, 13 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Quilpué need?
Quilpué needs roughly 42,411 more trees to close a 13-point shortfall against its 30% tree-cover target — about 933.0 t of extra CO₂ absorbed per year once grown.
How are Quilpué'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 Quilpué; the tree count is an estimate derived from that cover.
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