City report · Antioquia, Colombia
Rionegro Air quality today
Air quality in Rionegro currently reads AQI 58 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 58
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 13.1
- tree cover
- 28.4%
- trees in this area
- 89.2K
- more trees needed
- 5.0K
Measured across a 2 km radius around Rionegro, Antioquia, Colombia (12.57 km²), from a satellite image of Sep 9, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Rionegro · AQI 58 (Moderate)
Rionegro's tree count comes to 89,221 trees across 12.57 km², 2 points below the 30% tree-cover level considered healthy for this area, so roughly 5,027 more trees would close the gap.
Air quality detail
Air quality in Rionegro today: AQI 58, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 10:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Santa Elena, Medellín, Colombia, 16.5 km away · median of 3 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
13.1
PM10
—
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Área Metropolitana del Valle de Aburrá
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Rionegro's daily AQI at 30 on average, from 20 on Nov 10 to an hourly peak of 58 on Nov 7.
Where Rionegro stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Rionegro: Below target
28.4% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
89,221
Target trees
94,248
More trees needed
5,027
CO₂ if planted / yr
110.6 t
Deforestation · 2001–2025
How much forest has Rionegro lost?
Since 2001, the area within 10 km of Rionegro has lost about 1,400 hectares of forest (about 2,000 football pitches): 9.8% of the forest it had in 2000. Most of it (98%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from July 2017 of a 5 × 5 km area about 1 km east of the city center.
- Forest lost since 2001
- 1,400 haabout 2,000 football pitches
- Share of its forest
- 9.8%of what there was in 2000
- Cleared for good
- 1,370 hadeforestation: turned into farms, mines or towns
The worst year was 2006, when about 192 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 | 42 ha | 1 ha | 43 ha |
| 2002 | 47 ha | under 1 ha | 47 ha |
| 2003 | 30 ha | 2 ha | 32 ha |
| 2004 | 84 ha | 4 ha | 88 ha |
| 2005 | 98 ha | 1 ha | 99 ha |
| 2006 | 191 ha | 1 ha | 192 ha |
| 2007 | 126 ha | 1 ha | 127 ha |
| 2008 | 97 ha | under 1 ha | 98 ha |
| 2009 | 127 ha | 3 ha | 130 ha |
| 2010 | 60 ha | under 1 ha | 60 ha |
| 2011 | 108 ha | 2 ha | 110 ha |
| 2012 | 83 ha | 1 ha | 84 ha |
| 2013 | 17 ha | under 1 ha | 17 ha |
| 2014 | 34 ha | under 1 ha | 35 ha |
| 2015 | 7 ha | under 1 ha | 7 ha |
| 2016 | 28 ha | under 1 ha | 28 ha |
| 2017 | 52 ha | 5 ha | 57 ha |
| 2018 | 16 ha | under 1 ha | 16 ha |
| 2019 | 12 ha | 2 ha | 14 ha |
| 2020 | 3 ha | 4 ha | 7 ha |
| 2021 | 11 ha | 2 ha | 12 ha |
| 2022 | 18 ha | under 1 ha | 18 ha |
| 2023 | 34 ha | under 1 ha | 34 ha |
| 2024 | 35 ha | 1 ha | 36 ha |
| 2025 | 11 ha | under 1 ha | 11 ha |
What is causing deforestation around Rionegro?
- Farms, pasture and plantationscleared for good59% · 823 ha
- Towns and roadscleared for good39% · 547 ha
- Loggingcan grow back2.3% · 32 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
- 16,600 ha
- Forest in 2020
- 15,900 ha
- Overall change
- −658 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Rionegro shrank from about 16,600 hectares to 15,900 hectares, a net loss of about 658 hectares (−4%). New forest grew on about 111 hectares, but 768 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 Rionegro
What is the air quality (AQI) in Rionegro right now?
The latest reading for Rionegro shows an AQI of 58 (Moderate), measured Nov 11, 10:00 local time by 3 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Santa Elena, Medellín, Colombia, 16.5 km away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Rionegro today?
At AQI 58 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Rionegro been like this week?
Over the last 7 days, the CAMS air-quality model put Rionegro's daily AQI at 30 on average, from 20 on Nov 10 to an hourly peak of 58 on Nov 7. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Rionegro lost since 2001?
Since 2001, the area within 10 km of Rionegro has lost about 1,400 hectares of forest (about 2,000 football pitches): 9.8% of the forest it had in 2000. Most of it (98%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Rionegro shrank from about 16,600 hectares to 15,900 hectares, a net loss of about 658 hectares (−4%). New forest grew on about 111 hectares, but 768 hectares were lost.
What is the tree count in Rionegro?
Rionegro has an estimated 89,221 trees across the 12.57 km² measured — 28.4% tree cover, 2 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Rionegro need?
Rionegro needs roughly 5,027 more trees to close a 2-point shortfall against its 30% tree-cover target — about 110.6 t of extra CO₂ absorbed per year once grown.
How are Rionegro's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Rionegro, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. 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 Rionegro; the tree count is an estimate derived from that cover.
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