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Air quality now: AQI48Good, Concepción

City report · Biobio, Chile

Concepción Air quality today

Air quality in Concepción currently reads AQI 48 (Good): Air quality is satisfactory for everyone.

AQI 48

Air quality right now

Good

Main pollutant: PM2.5
PM2.5, fine particles (µg/m³)
8.2
tree cover
28.4%
trees in this area
84.0K
more trees needed
4.7K

Measured across a 2 km radius around Concepción, Bio Bio, Chile (12.57 km²), from a satellite image of Mar 13, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.

Concepción · AQI 48 (Good)

Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Mar 13, 2026

Concepción's tree count comes to 84,046 trees across 11.84 km² of land, 2 points below the 30% tree-cover level considered healthy for this area, so roughly 4,735 more trees would close the gap.

Air quality detail

Air quality in Concepción today: AQI 48, Good

Main pollutant: PM2.5 · Observed Nov 10, 22:00 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

8.2

PM10

10.8

NO₂

5.1

O₃

46.0

SO₂

2.6

CO

315.0

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 Concepción's daily AQI at 33 on average, from 16 on Nov 6 to an hourly peak of 60 on Nov 4.

Last 7 daysavg 33 · peak 60
Nov 4: AQI 48 (peak 60)Nov 5: AQI 46 (peak 57)Nov 6: AQI 16 (peak 43)Nov 7: AQI 16 (peak 24)Nov 8: AQI 25 (peak 44)Nov 9: AQI 34 (peak 39)Nov 10: AQI 46 (peak 52)
Nov 4Nov 10

Where Concepción stands: the most polluted cities in the world right now · the cleanest

Tree cover detail

Tree cover in Concepción: Below target

28.4% tree cover against a 30% healthy-neighborhood target, across 11.84 km² of land.

2 points below target

Trees in this area

84,046

Target trees

88,781

More trees needed

4,735

CO₂ if planted / yr

104.2 t

Deforestation · 2001–2025

How much forest has Concepción lost?

Since 2001, the area within 10 km of Concepción has lost about 7,320 hectares of forest (about 10,000 football pitches): 55% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 312 hectares (4.3%) was deforestation: forest cleared for good for farms, mines or towns.

Satellite image of the area around Concepción, January 2017

2017: satellite photo from January 2017 of a 5 × 5 km area about 7 km northeast of the city center.

Forest lost since 2001
7,320 haabout 10,000 football pitches
Share of its forest
55%of what there was in 2000
Cleared for good
312 hadeforestation: turned into farms, mines or towns

Forest loss is slowing down: about 184 hectares a year in 2021–2025, down from 662 hectares a year in 2016–2020. The worst year was 2017, when about 1,980 hectares of forest were lost.

Forest lost each year around Concepción, 2001–2025

Hectares of forest lost each year

Forest lost each year around Concepción, 2001–2025. Use the left and right arrow keys to read each year.1.98K

Show the figures as a table
Forest lost each year around Concepción, 2001–2025
YearCleared for goodCan grow backTotal
20015 ha202 ha207 ha
20024 ha133 ha137 ha
200312 ha161 ha172 ha
20046 ha120 ha126 ha
200512 ha205 ha217 ha
200619 ha196 ha215 ha
200712 ha216 ha228 ha
20088 ha187 ha195 ha
200913 ha161 ha174 ha
201010 ha158 ha168 ha
20113 ha112 ha115 ha
20126 ha227 ha233 ha
201370 ha217 ha287 ha
201418 ha346 ha364 ha
20158 ha240 ha248 ha
201622 ha322 ha344 ha
201719 ha1,960 ha1,980 ha
20188 ha129 ha136 ha
20193 ha215 ha218 ha
202020 ha611 ha631 ha
20217 ha265 ha272 ha
20227 ha177 ha184 ha
20235 ha153 ha158 ha
202413 ha166 ha179 ha
20252 ha125 ha127 ha

What is causing deforestation around Concepción?

  • Loggingcan grow back84% · 6,180 ha
  • Wildfirescan grow back11% · 819 ha
  • Towns and roadscleared for good4% · 290 ha

Also: mining and energy, farms, pasture and plantations, storms, floods and other natural causes, 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
13,300 ha
Forest in 2020
12,500 ha
Overall change
−729 haless forest than in 2000

Comparing satellite maps from 2000 and 2020, the forest around Concepción shrank from about 13,300 hectares to 12,500 hectares, a net loss of about 729 hectares (−5.5%). New forest grew on about 1,110 hectares, but 1,840 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 Concepción

Same 2 km radius, same index — so they compare directly.

  • Talcahuano

    Chile

    12.8 km
    Tree cover
    19%
    Air quality
    48
  • Coronel

    Chile

    24.4 km
    Tree cover
    36%
    Air quality
    44
  • Chillán

    Chile

    87.8 km
    Tree cover
    11%
    Air quality
    55
  • Los Ángeles

    Chile

    94.4 km
    Tree cover
    15%
    Air quality
    58
  • Villa Mercedes

    Chile

    114.6 km
    Tree cover
    33%
    Air quality
    29
  • Talca

    Chile

    200.4 km
    Tree cover
    11%
    Air quality
    38

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Concepción air quality (AQI) and tree cover — measured by Airleaf
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Frequently asked

Questions about Concepción

What is the air quality (AQI) in Concepción right now?

The latest reading for Concepción shows an AQI of 48 (Good), observed Nov 10, 22:00 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 Concepción 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 Concepción been like this week?

Over the last 7 days, the CAMS air-quality model put Concepción's daily AQI at 33 on average, from 16 on Nov 6 to an hourly peak of 60 on Nov 4. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.

How much forest has the area around Concepción lost since 2001?

Since 2001, the area within 10 km of Concepción has lost about 7,320 hectares of forest (about 10,000 football pitches): 55% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 312 hectares (4.3%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss is slowing down: about 184 hectares a year in 2021–2025, down from 662 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Concepción shrank from about 13,300 hectares to 12,500 hectares, a net loss of about 729 hectares (−5.5%). New forest grew on about 1,110 hectares, but 1,840 hectares were lost.

What is the tree count in Concepción?

Concepción has an estimated 84,046 trees across the 11.84 km² of land measured — 28.4% tree cover, 2 percentage points short of the 30% tree-cover target set for this area.

How many more trees does Concepción need?

Concepción needs roughly 4,735 more trees to close a 2-point shortfall against its 30% tree-cover target — about 104.2 t of extra CO₂ absorbed per year once grown.

How are Concepción'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 Concepción; the tree count is an estimate derived from that cover.

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