City report · Paraná, Brazil
Londrina Air quality today
Air quality in Londrina currently reads AQI 51 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 51
Moderate
- PM2.5, fine particles (µg/m³)
- 9.1
- tree cover
- 14.7%
- trees in this area
- 46.2K
- more trees needed
- 48.1K
Measured across a 2 km radius around Centro, Londrina - PR, Brazil (12.57 km²), from a satellite image of Oct 20, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Londrina · AQI 51 (Moderate)
Londrina's tree count comes to 46,181 trees across 12.57 km², 15 points below the 30% tree-cover level considered healthy for this area, so roughly 48,066 more trees would close the gap.
Air quality detail
Air quality in Londrina today: AQI 51, Moderate
Main pollutant: PM2.5 · Observed Nov 10, 14:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 245 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 2 station cities within 245 km, e.g. Presidente Prudente and Bauru
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
9.1
PM10
10.5
NO₂
0.9
O₃
91.0
SO₂
1.3
CO
131.0
- 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 Londrina's daily AQI at 90 on average, from 35 on Nov 9 to an hourly peak of 202 on Nov 6.
Where Londrina stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Londrina: Critically low
14.7% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
46,181
Target trees
94,247
More trees needed
48,066
CO₂ if planted / yr
1,057 t
Deforestation · 2001–2025
How much forest has Londrina lost?
Since 2001, the area within 10 km of Londrina has lost about 389 hectares of forest (about 540 football pitches): 8.1% of the forest it had in 2000. Most of it (94%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from June 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 389 haabout 540 football pitches
- Share of its forest
- 8.1%of what there was in 2000
- Cleared for good
- 365 hadeforestation: turned into farms, mines or towns
The worst year was 2001, when about 153 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 | 144 ha | 9 ha | 153 ha |
| 2002 | 13 ha | under 1 ha | 13 ha |
| 2003 | 15 ha | 2 ha | 16 ha |
| 2004 | 32 ha | 2 ha | 33 ha |
| 2005 | 31 ha | 1 ha | 32 ha |
| 2006 | 5 ha | under 1 ha | 5 ha |
| 2007 | 18 ha | under 1 ha | 19 ha |
| 2008 | 24 ha | 2 ha | 26 ha |
| 2009 | 3 ha | under 1 ha | 3 ha |
| 2010 | 17 ha | 1 ha | 19 ha |
| 2011 | 11 ha | 1 ha | 12 ha |
| 2012 | 5 ha | 1 ha | 7 ha |
| 2013 | 2 ha | under 1 ha | 3 ha |
| 2014 | 2 ha | under 1 ha | 3 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | 4 ha | under 1 ha | 5 ha |
| 2017 | 8 ha | under 1 ha | 9 ha |
| 2018 | 3 ha | under 1 ha | 4 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | 2 ha | under 1 ha | 2 ha |
| 2021 | 2 ha | under 1 ha | 2 ha |
| 2022 | 1 ha | under 1 ha | 1 ha |
| 2023 | 15 ha | under 1 ha | 15 ha |
| 2024 | 4 ha | under 1 ha | 5 ha |
| 2025 | 1 ha | under 1 ha | 2 ha |
What is causing deforestation around Londrina?
- Farms, pasture and plantationscleared for good52% · 203 ha
- Towns and roadscleared for good42% · 162 ha
- Unknown causescause unknown5.7% · 22 ha
Also: logging.
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
- 5,420 ha
- Forest in 2020
- 5,250 ha
- Overall change
- −173 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Londrina shrank from about 5,420 hectares to 5,250 hectares, a net loss of about 173 hectares (−3.2%). New forest grew on about 217 hectares, but 390 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 Londrina
What is the air quality (AQI) in Londrina right now?
The latest reading for Londrina shows an AQI of 51 (Moderate), observed Nov 10, 14:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 245 km, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Londrina today?
At AQI 51 (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 Londrina been like this week?
Over the last 7 days, the CAMS air-quality model put Londrina's daily AQI at 90 on average, from 35 on Nov 9 to an hourly peak of 202 on Nov 6. On 4 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Londrina lost since 2001?
Since 2001, the area within 10 km of Londrina has lost about 389 hectares of forest (about 540 football pitches): 8.1% of the forest it had in 2000. Most of it (94%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Londrina shrank from about 5,420 hectares to 5,250 hectares, a net loss of about 173 hectares (−3.2%). New forest grew on about 217 hectares, but 390 hectares were lost.
What is the tree count in Londrina?
Londrina has an estimated 46,181 trees across the 12.57 km² measured — 14.7% tree cover, 15 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Londrina need?
Londrina needs roughly 48,066 more trees to close a 15-point shortfall against its 30% tree-cover target — about 1,057 t of extra CO₂ absorbed per year once grown.
How are Londrina'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 Centro; the tree count is an estimate derived from that cover.
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