Chile · Biobio · 5 cities
Air quality in Biobio today The AQI right now, city by city
Right now, Villa Mercedes has the cleanest air of the 5 cities we track in Biobio (AQI 29, Good), and Los Ángeles the worst (AQI 58, Moderate). Coronel has the most tree cover, at 36.2% — #1 of 30 cities measured in Chile.
Every city is measured the same way, over the same 2 km around its center: the air quality right now, from ground stations where there are any, and its tree cover.
AQI 45
Average right now
Good
- cities tracked
- 5
- average tree cover
- 26.1%
- Chile: 13.0%
- worst air now: Los Ángeles
- 58
- cleanest air now: Villa Mercedes
- 29
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
Biobio · average AQI 45
Air quality today across Biobio, city by city
| Concepción | 48Good | 28.4% | 4.7K | #2 of 30 |
|---|---|---|---|---|
| Talcahuano | 48Good | 18.9% | 26.2K | #6 of 30 |
| Villa Mercedes | 29Good | 32.6% | — | — |
| Los Ángeles | 58Moderate | 14.6% | 48.4K | #11 of 30 |
| Coronel | 44Good | 36.2% | — | #1 of 30 |
Air quality is the US AQI from ground monitoring stations via OpenAQ where available, otherwise the Open-Meteo / CAMS model, refreshed hourly. Tree cover is measured within 2 km of each city center from Sentinel-2 imagery; the rank compares every city measured in Chile.
Deforestation · 2001–2025
How much forest has Biobio lost?
Since 2001, Biobio has lost about 704,000 hectares of forest (about 7,000 km²): 48% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 4,050 hectares (under 1%) was deforestation: forest cleared for good for farms, mines or towns.
- Forest lost since 2001
- 704,000 haabout 7,000 km²
- Share of its forest
- 48%of what there was in 2000
- Cleared for good
- 4,050 hadeforestation: turned into farms, mines or towns
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 121 ha | 24,400 ha | 24,500 ha |
| 2002 | 206 ha | 30,200 ha | 30,500 ha |
| 2003 | 170 ha | 25,600 ha | 25,800 ha |
| 2004 | 201 ha | 26,800 ha | 27,000 ha |
| 2005 | 234 ha | 32,800 ha | 33,000 ha |
| 2006 | 117 ha | 29,600 ha | 29,700 ha |
| 2007 | 206 ha | 39,400 ha | 39,600 ha |
| 2008 | 211 ha | 31,600 ha | 31,800 ha |
| 2009 | 143 ha | 25,900 ha | 26,100 ha |
| 2010 | 244 ha | 22,500 ha | 22,700 ha |
| 2011 | 120 ha | 30,100 ha | 30,300 ha |
| 2012 | 349 ha | 36,300 ha | 36,600 ha |
| 2013 | 194 ha | 32,800 ha | 33,000 ha |
| 2014 | 283 ha | 33,800 ha | 34,100 ha |
| 2015 | 129 ha | 29,800 ha | 29,900 ha |
| 2016 | 198 ha | 33,200 ha | 33,400 ha |
| 2017 | 242 ha | 54,100 ha | 54,400 ha |
| 2018 | 114 ha | 22,500 ha | 22,600 ha |
| 2019 | 90 ha | 21,800 ha | 21,900 ha |
| 2020 | 73 ha | 17,500 ha | 17,600 ha |
| 2021 | 65 ha | 18,400 ha | 18,500 ha |
| 2022 | 77 ha | 17,600 ha | 17,700 ha |
| 2023 | 95 ha | 43,400 ha | 43,500 ha |
| 2024 | 70 ha | 10,800 ha | 10,900 ha |
| 2025 | 100 ha | 9,350 ha | 9,450 ha |
Forest loss is slowing down: about 20,000 hectares a year in 2021–2025, down from 30,000 hectares a year in 2016–2020. The worst year was 2017, when about 54,400 hectares of forest were lost.
What is causing deforestation in Biobio?
- Loggingcan grow back94% · 664,000 ha
- Wildfirescan grow back4.9% · 34,700 ha
Also: farms, pasture and plantations, storms, floods and other natural causes, towns and roads, mining and energy, unknown causes.
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
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. How it's measured
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