City report · Peru
Huancayo Air quality today
Air quality in Huancayo currently reads AQI 16 (Good): Air quality is satisfactory for everyone.
AQI 16
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 2.2
- tree cover
- 2.0%
- trees in this area
- 6.3K
- more trees needed
- 88.0K
Measured across a 2 km radius around Zona Monumental Huancayo, Huancayo, Peru (12.57 km²), from a satellite image of Sep 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Huancayo · AQI 16 (Good)
Huancayo's tree count comes to 6,283 trees across 12.57 km², 28 points below the 30% tree-cover level considered healthy for this area, so roughly 87,965 more trees would close the gap.
Air quality detail
Air quality in Huancayo today: AQI 16, Good
Main pollutant: PM2.5 · Observed Nov 10, 13:00 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
2.2
PM10
2.2
NO₂
0.5
O₃
71.0
SO₂
0.4
CO
202.0
- 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 Huancayo's daily AQI at 28 on average, from 15 on Nov 6 to an hourly peak of 58 on Nov 8.
Where Huancayo stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Huancayo: Critically low
2.0% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
6,283
Target trees
94,248
More trees needed
87,965
CO₂ if planted / yr
1,935 t
Deforestation · 2001–2025
How much forest has Huancayo lost?
Since 2001, the area within 10 km of Huancayo has lost about 101 hectares of forest (about 140 football pitches): 10% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 11 hectares (11%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from July 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 101 haabout 140 football pitches
- Share of its forest
- 10%of what there was in 2000
- Cleared for good
- 11 hadeforestation: turned into farms, mines or towns
The worst year was 2010, when about 16 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 | under 1 ha | under 1 ha | under 1 ha |
| 2002 | 1 ha | 5 ha | 6 ha |
| 2003 | under 1 ha | 2 ha | 2 ha |
| 2004 | under 1 ha | 1 ha | 1 ha |
| 2005 | under 1 ha | 3 ha | 3 ha |
| 2006 | under 1 ha | 6 ha | 6 ha |
| 2007 | under 1 ha | 2 ha | 2 ha |
| 2008 | 3 ha | 9 ha | 12 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | 2 ha | 15 ha | 16 ha |
| 2011 | under 1 ha | 5 ha | 5 ha |
| 2012 | 1 ha | 3 ha | 4 ha |
| 2013 | under 1 ha | 7 ha | 7 ha |
| 2014 | under 1 ha | 3 ha | 4 ha |
| 2015 | under 1 ha | 2 ha | 2 ha |
| 2016 | under 1 ha | 5 ha | 5 ha |
| 2017 | under 1 ha | 7 ha | 8 ha |
| 2018 | under 1 ha | 1 ha | 1 ha |
| 2019 | under 1 ha | 2 ha | 3 ha |
| 2020 | under 1 ha | 2 ha | 2 ha |
| 2021 | under 1 ha | 2 ha | 2 ha |
| 2022 | under 1 ha | 2 ha | 2 ha |
| 2023 | under 1 ha | 2 ha | 2 ha |
| 2024 | under 1 ha | 2 ha | 2 ha |
| 2025 | under 1 ha | 3 ha | 3 ha |
What is causing deforestation around Huancayo?
- Loggingcan grow back83% · 83 ha
- Farms, pasture and plantationscleared for good5.7% · 6 ha
- Towns and roadscleared for good4.9% · 5 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
- 1,670 ha
- Forest in 2020
- 2,020 ha
- Overall change
- +347 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Huancayo grew from about 1,670 hectares to 2,020 hectares, a net gain of about 347 hectares (+21%). New forest grew on about 419 hectares, while 72 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 Huancayo
What is the air quality (AQI) in Huancayo right now?
The latest reading for Huancayo shows an AQI of 16 (Good), observed Nov 10, 13:00 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 Huancayo today?
At AQI 16 (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 Huancayo been like this week?
Over the last 7 days, the CAMS air-quality model put Huancayo's daily AQI at 28 on average, from 15 on Nov 6 to an hourly peak of 58 on Nov 8. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Huancayo lost since 2001?
Since 2001, the area within 10 km of Huancayo has lost about 101 hectares of forest (about 140 football pitches): 10% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 11 hectares (11%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Huancayo grew from about 1,670 hectares to 2,020 hectares, a net gain of about 347 hectares (+21%). New forest grew on about 419 hectares, while 72 hectares were lost.
What is the tree count in Huancayo?
Huancayo has an estimated 6,283 trees across the 12.57 km² measured — 2.0% tree cover, 28 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Huancayo need?
Huancayo needs roughly 87,965 more trees to close a 28-point shortfall against its 30% tree-cover target — about 1,935 t of extra CO₂ absorbed per year once grown.
How are Huancayo'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 Zona Monumental Huancayo; the tree count is an estimate derived from that cover.
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