City report · Argentina
La Rioja Air quality today
Air quality in La Rioja currently reads AQI 3 (Good): Air quality is satisfactory for everyone.
AQI 3
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 0.6
- tree cover
- 11.0%
- trees in this area
- 34.6K
- more trees needed
- 59.7K
Measured across a 2 km radius around La Rioja, La Rioja Province, Argentina (12.57 km²), from a satellite image of Nov 5, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
La Rioja · AQI 3 (Good)
La Rioja's tree count comes to 34,558 trees across 12.57 km², 19 points below the 30% tree-cover level considered healthy for this area, so roughly 59,690 more trees would close the gap.
Air quality detail
Air quality in La Rioja today: AQI 3, Good
Main pollutant: PM2.5 · Observed Nov 11, 05:00 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
0.6
PM10
0.7
NO₂
1.0
O₃
64.0
SO₂
0.3
CO
91.0
- 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 La Rioja's daily AQI at 12 on average, from 2 on Nov 11 to an hourly peak of 45 on Nov 7.
Where La Rioja stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in La Rioja: Critically low
11.0% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
34,558
Target trees
94,248
More trees needed
59,690
CO₂ if planted / yr
1,313 t
Deforestation · 2001–2025
How much forest has La Rioja lost?
Since 2001, the area within 10 km of La Rioja has lost about 70 hectares of forest (about 98 football pitches): 6.4% of the forest it had in 2000. Most of it (97%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from August 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 70 haabout 98 football pitches
- Share of its forest
- 6.4%of what there was in 2000
- Cleared for good
- 68 hadeforestation: turned into farms, mines or towns
The worst year was 2010, when about 49 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 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | 7 ha | under 1 ha | 7 ha |
| 2009 | 11 ha | under 1 ha | 11 ha |
| 2010 | 49 ha | under 1 ha | 49 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | 1 ha | 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around La Rioja?
- Farms, pasture and plantationscleared for good85% · 60 ha
- Towns and roadscleared for good12% · 8 ha
- Wildfirescan grow back2.1% · 2 ha
Also: logging, 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
- 2,250 ha
- Forest in 2020
- 2,380 ha
- Overall change
- +125 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around La Rioja grew from about 2,250 hectares to 2,380 hectares, a net gain of about 125 hectares (+5.6%). New forest grew on about 145 hectares, while 21 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 La Rioja
Same 2 km radius, same index — so they compare directly.
- Catamarca147.9 km
Argentina
- Tree cover
- 12%
- Air quality
- 29
- Rawson290.2 km
Argentina
- Tree cover
- 6%
- Air quality
- 71
- Santiago del Estero310.2 km
Argentina
- Tree cover
- 10%
- Air quality
- 61
- San Miguel de Tucumán330.8 km
Argentina
- Tree cover
- 10%
- Air quality
- 56
- Córdoba338.5 km
Argentina
- Tree cover
- 8%
- Air quality
- 29
- Copiapó409.1 km
Chile
- Tree cover
- 2%
- Air quality
- 56
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Frequently asked
Questions about La Rioja
What is the air quality (AQI) in La Rioja right now?
The latest reading for La Rioja shows an AQI of 3 (Good), observed Nov 11, 05:00 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 La Rioja today?
At AQI 3 (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 La Rioja been like this week?
Over the last 7 days, the CAMS air-quality model put La Rioja's daily AQI at 12 on average, from 2 on Nov 11 to an hourly peak of 45 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 La Rioja lost since 2001?
Since 2001, the area within 10 km of La Rioja has lost about 70 hectares of forest (about 98 football pitches): 6.4% of the forest it had in 2000. Most of it (97%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around La Rioja grew from about 2,250 hectares to 2,380 hectares, a net gain of about 125 hectares (+5.6%). New forest grew on about 145 hectares, while 21 hectares were lost.
What is the tree count in La Rioja?
La Rioja has an estimated 34,558 trees across the 12.57 km² measured — 11.0% tree cover, 19 percentage points short of the 30% tree-cover target set for this area.
How many more trees does La Rioja need?
La Rioja needs roughly 59,690 more trees to close a 19-point shortfall against its 30% tree-cover target — about 1,313 t of extra CO₂ absorbed per year once grown.
How are La Rioja'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 La Rioja; the tree count is an estimate derived from that cover.
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