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City report · Buenos Aires, Argentina

Bahía Blanca Air quality today

Air quality in Bahía Blanca currently reads AQI 13 (Good): Air quality is satisfactory for everyone.

Air quality right now

AQI 13

Good

Main pollutant: PM2.5
PM2.5, fine particles (µg/m³)
2.3
tree cover
9.0%
trees in this area
28.3K
more trees needed
66.0K

Measured across a 2 km radius around Bahía Blanca, Buenos Aires Province, Argentina (12.57 km²), from a satellite image of Mar 13, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.

Bahía Blanca · AQI 13 (Good)

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

Bahía Blanca's tree count comes to 28,274 trees across 12.57 km², 21 points below the 30% tree-cover level considered healthy for this area, so roughly 65,973 more trees would close the gap.

Air quality detail

Air quality in Bahía Blanca today: AQI 13, Good

Main pollutant: PM2.5 · Observed Nov 10, 15:00 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

2.3

PM10

2.7

NO₂

0.7

O₃

71.0

SO₂

0.4

CO

105.0

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 Bahía Blanca's daily AQI at 21 on average, from 12 on Nov 5 to an hourly peak of 52 on Nov 6.

Last 7 daysavg 21 · peak 52
Nov 4: AQI 13 (peak 29)Nov 5: AQI 12 (peak 19)Nov 6: AQI 33 (peak 52)Nov 7: AQI 36 (peak 52)Nov 8: AQI 15 (peak 19)Nov 9: AQI 22 (peak 37)Nov 10: AQI 13 (peak 14)
Nov 4Nov 10

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

Tree cover detail

Tree cover in Bahía Blanca: Critically low

9.0% tree cover against a 30% healthy-neighborhood target, across 12.57 km².

21 points below target

Trees in this area

28,274

Target trees

94,247

More trees needed

65,973

CO₂ if planted / yr

1,451 t

Deforestation · 2001–2025

How much forest has Bahía Blanca lost?

Since 2001, the area within 10 km of Bahía Blanca has lost about 5 hectares of forest (about 7 football pitches): 2.6% of the forest it had in 2000. The biggest cause was farms, pasture and plantations (22%). About 2 hectares (32%) was deforestation: forest cleared for good for farms, mines or towns.

Satellite image of the area around Bahía Blanca, January 2017

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

Forest lost since 2001
5 haabout 7 football pitches
Share of its forest
2.6%of what there was in 2000
Cleared for good
2 hadeforestation: turned into farms, mines or towns

The worst year was 2009, when about 1 hectare of forest were lost.

Forest lost each year around Bahía Blanca, 2001–2025

Hectares of forest lost each year

Forest lost each year around Bahía Blanca, 2001–2025. Use the left and right arrow keys to read each year.1.1

Show the figures as a table
Forest lost each year around Bahía Blanca, 2001–2025
YearCleared for goodCan grow backTotal
2001under 1 haunder 1 haunder 1 ha
2002under 1 haunder 1 haunder 1 ha
2003under 1 haunder 1 haunder 1 ha
2004under 1 haunder 1 haunder 1 ha
2005under 1 haunder 1 haunder 1 ha
2006under 1 haunder 1 haunder 1 ha
2007under 1 haunder 1 haunder 1 ha
2008under 1 haunder 1 haunder 1 ha
2009under 1 haunder 1 ha1 ha
2010under 1 haunder 1 haunder 1 ha
2011under 1 haunder 1 haunder 1 ha
2012under 1 haunder 1 haunder 1 ha
2013under 1 haunder 1 haunder 1 ha
2014under 1 haunder 1 haunder 1 ha
2015under 1 haunder 1 haunder 1 ha
2016under 1 haunder 1 haunder 1 ha
2017under 1 haunder 1 haunder 1 ha
2018under 1 haunder 1 haunder 1 ha
2019under 1 haunder 1 haunder 1 ha
2020under 1 haunder 1 haunder 1 ha
2021under 1 haunder 1 haunder 1 ha
2022under 1 haunder 1 haunder 1 ha
2023under 1 haunder 1 haunder 1 ha
2024under 1 haunder 1 haunder 1 ha
2025under 1 haunder 1 haunder 1 ha

What is causing deforestation around Bahía Blanca?

  • Farms, pasture and plantationscleared for good22% · 1 ha
  • Towns and roadscleared for good10% · under 1 ha
  • Unknown causescause unknown70% · 4 ha

Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.

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. Images: contains modified Copernicus Sentinel data. How it's measured

In the same region

Measured cities near Bahía Blanca

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

  • Santa Rosa

    Argentina

    293.8 km
    Tree cover
    10%
    Air quality
    7
  • Tandil

    Argentina

    314.5 km
    Tree cover
    20%
    Air quality
    14
  • Mar del Plata

    Argentina

    418.2 km
    Tree cover
    12%
    Air quality
    17
  • Neuquén

    Argentina

    502.4 km
    Tree cover
    11%
    Air quality
    19
  • Ezeiza

    Argentina

    543.5 km
    Tree cover
    26%
    Air quality
    9
  • Laferrere

    Argentina

    549.6 km
    Tree cover
    16%
    Air quality
    9

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

Questions about Bahía Blanca

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

The latest reading for Bahía Blanca shows an AQI of 13 (Good), observed Nov 10, 15:00 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 Bahía Blanca today?

At AQI 13 (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 Bahía Blanca been like this week?

Over the last 7 days, the CAMS air-quality model put Bahía Blanca's daily AQI at 21 on average, from 12 on Nov 5 to an hourly peak of 52 on Nov 6. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.

How much forest has the area around Bahía Blanca lost since 2001?

Since 2001, the area within 10 km of Bahía Blanca has lost about 5 hectares of forest (about 7 football pitches): 2.6% of the forest it had in 2000. The biggest cause was farms, pasture and plantations (22%). About 2 hectares (32%) was deforestation: forest cleared for good for farms, mines or towns.

What is the tree count in Bahía Blanca?

Bahía Blanca has an estimated 28,274 trees across the 12.57 km² measured — 9.0% tree cover, 21 percentage points short of the 30% tree-cover target set for this area.

How many more trees does Bahía Blanca need?

Bahía Blanca needs roughly 65,973 more trees to close a 21-point shortfall against its 30% tree-cover target — about 1,451 t of extra CO₂ absorbed per year once grown.

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

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