City report · Maule Region, Chile
Curicó Air quality today
Air quality in Curicó currently reads AQI 48 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 48
Good
- PM2.5, fine particles (µg/m³)
- 9.6
- tree cover
- 13.2%
- trees in this area
- 41.5K
- more trees needed
- 52.8K
Measured across a 2 km radius around Curico, Curicó, Maule, Chile (12.57 km²), from a satellite image of Mar 8, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Curicó · AQI 48 (Good)
Curicó's tree count comes to 41,469 trees across 12.57 km², 17 points below the 30% tree-cover level considered healthy for this area, so roughly 52,779 more trees would close the gap.
Air quality detail
Air quality in Curicó today: AQI 48, Good
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
Air quality is satisfactory for everyone.
PM2.5
9.6
PM10
9.9
NO₂
19.5
O₃
26.0
SO₂
2.1
CO
176.0
- 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 Curicó's daily AQI at 43 on average, from 23 on Nov 6 to an hourly peak of 75 on Nov 9.
Where Curicó stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Curicó: Critically low
13.2% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
41,469
Target trees
94,248
More trees needed
52,779
CO₂ if planted / yr
1,161 t
Deforestation · 2001–2025
How much forest has Curicó lost?
Since 2001, the area within 10 km of Curicó has lost about 632 hectares of forest (about 880 football pitches): 9% of the forest it had in 2000. Most of it (87%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from January 2017 of a 5 × 5 km area about 7 km southeast of the city center.
- Forest lost since 2001
- 632 haabout 880 football pitches
- Share of its forest
- 9%of what there was in 2000
- Cleared for good
- 546 hadeforestation: turned into farms, mines or towns
The worst year was 2014, when about 81 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 | 11 ha | under 1 ha | 11 ha |
| 2002 | 26 ha | under 1 ha | 26 ha |
| 2003 | 42 ha | 2 ha | 44 ha |
| 2004 | 4 ha | 9 ha | 13 ha |
| 2005 | 13 ha | 1 ha | 14 ha |
| 2006 | 9 ha | under 1 ha | 9 ha |
| 2007 | 15 ha | 4 ha | 19 ha |
| 2008 | 9 ha | 11 ha | 21 ha |
| 2009 | 9 ha | under 1 ha | 9 ha |
| 2010 | 22 ha | 2 ha | 24 ha |
| 2011 | 23 ha | 2 ha | 25 ha |
| 2012 | 14 ha | 5 ha | 19 ha |
| 2013 | 44 ha | 7 ha | 50 ha |
| 2014 | 77 ha | 4 ha | 81 ha |
| 2015 | 54 ha | 8 ha | 62 ha |
| 2016 | 35 ha | 3 ha | 38 ha |
| 2017 | 41 ha | 8 ha | 49 ha |
| 2018 | 4 ha | 2 ha | 6 ha |
| 2019 | 14 ha | 1 ha | 15 ha |
| 2020 | 10 ha | under 1 ha | 11 ha |
| 2021 | 27 ha | 4 ha | 31 ha |
| 2022 | 7 ha | 1 ha | 8 ha |
| 2023 | 13 ha | 6 ha | 19 ha |
| 2024 | 15 ha | 2 ha | 17 ha |
| 2025 | 9 ha | under 1 ha | 10 ha |
What is causing deforestation around Curicó?
- Farms, pasture and plantationscleared for good81% · 512 ha
- Loggingcan grow back12% · 76 ha
- Towns and roadscleared for good5.4% · 34 ha
Also: 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
- 1,030 ha
- Forest in 2020
- 821 ha
- Overall change
- −204 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Curicó shrank from about 1,030 hectares to 821 hectares, a net loss of about 204 hectares (−20%). New forest grew on about 197 hectares, but 401 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 Curicó
Same 2 km radius, same index — so they compare directly.
- Talca61.5 km
Chile
- Tree cover
- 11%
- Air quality
- 38
- Rancagua101.4 km
Chile
- Tree cover
- 7%
- Air quality
- 39
- San Bernardo162.4 km
Chile
- Tree cover
- 7%
- Air quality
- 70
- Puente Alto164.2 km
Chile
- Tree cover
- 8%
- Air quality
- 58
- Maipú169.0 km
Chile
- Tree cover
- 8%
- Air quality
- 70
- Santiago178.2 km
Chile
- Tree cover
- 9%
- Air quality
- 64
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Frequently asked
Questions about Curicó
What is the air quality (AQI) in Curicó right now?
The latest reading for Curicó shows an AQI of 48 (Good), observed Nov 10, 23:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Curicó today?
At AQI 48 (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 Curicó been like this week?
Over the last 7 days, the CAMS air-quality model put Curicó's daily AQI at 43 on average, from 23 on Nov 6 to an hourly peak of 75 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 Curicó lost since 2001?
Since 2001, the area within 10 km of Curicó has lost about 632 hectares of forest (about 880 football pitches): 9% of the forest it had in 2000. Most of it (87%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Curicó shrank from about 1,030 hectares to 821 hectares, a net loss of about 204 hectares (−20%). New forest grew on about 197 hectares, but 401 hectares were lost.
What is the tree count in Curicó?
Curicó has an estimated 41,469 trees across the 12.57 km² measured — 13.2% tree cover, 17 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Curicó need?
Curicó needs roughly 52,779 more trees to close a 17-point shortfall against its 30% tree-cover target — about 1,161 t of extra CO₂ absorbed per year once grown.
How are Curicó'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 Curico; the tree count is an estimate derived from that cover.
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