City report · Paraná, Brazil
Foz do Iguaçu Air quality today
Air quality in Foz do Iguaçu currently reads AQI 6 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 6
Good
- PM2.5, fine particles (µg/m³)
- 1.0
- tree cover
- 50.9%
- trees in this area
- 141K
- more trees needed
- 0
Measured across a 2 km radius around Centro, Foz do Iguaçu - PR, Brazil (12.57 km²), from a satellite image of Oct 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Foz do Iguaçu · AQI 6 (Good)
Foz do Iguaçu's tree count comes to 141,358 trees across 11.11 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Foz do Iguaçu today: AQI 6, Good
Main pollutant: PM2.5 · Observed Nov 11, 12:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · RESPIRA-AIR-CDE-KM8_5-001, 3.7 km away
Health signal
Air quality is satisfactory for everyone.
PM2.5
1.0
PM10
—
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · AirGradient, Proyecto Respira
- 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 Foz do Iguaçu's daily AQI at 47 on average, from 33 on Nov 8 to an hourly peak of 75 on Nov 9.
Where Foz do Iguaçu stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Foz do Iguaçu: Healthy tree cover
50.9% tree cover against a 30% healthy-neighborhood target, across 11.11 km² of land.
Trees in this area
141,358
Target trees
141,358
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Foz do Iguaçu lost?
Since 2001, the area within 10 km of Foz do Iguaçu has lost about 852 hectares of forest (about 1,200 football pitches): 8.9% of the forest it had in 2000. Most of it (97%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from August 2017 of a 5 × 5 km area about 5 km southwest of the city center.
- Forest lost since 2001
- 852 haabout 1,200 football pitches
- Share of its forest
- 8.9%of what there was in 2000
- Cleared for good
- 826 hadeforestation: turned into farms, mines or towns
The worst year was 2005, when about 123 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 | 8 ha | under 1 ha | 8 ha |
| 2002 | 11 ha | under 1 ha | 12 ha |
| 2003 | 76 ha | 1 ha | 77 ha |
| 2004 | 110 ha | 1 ha | 111 ha |
| 2005 | 123 ha | under 1 ha | 123 ha |
| 2006 | 48 ha | 1 ha | 49 ha |
| 2007 | 26 ha | 1 ha | 27 ha |
| 2008 | 26 ha | 1 ha | 27 ha |
| 2009 | 4 ha | under 1 ha | 4 ha |
| 2010 | 26 ha | under 1 ha | 26 ha |
| 2011 | 26 ha | 3 ha | 29 ha |
| 2012 | 45 ha | 4 ha | 48 ha |
| 2013 | 8 ha | 1 ha | 9 ha |
| 2014 | 17 ha | 3 ha | 20 ha |
| 2015 | 11 ha | under 1 ha | 12 ha |
| 2016 | 22 ha | 2 ha | 24 ha |
| 2017 | 81 ha | under 1 ha | 82 ha |
| 2018 | 16 ha | under 1 ha | 16 ha |
| 2019 | 19 ha | under 1 ha | 20 ha |
| 2020 | 20 ha | under 1 ha | 20 ha |
| 2021 | 35 ha | under 1 ha | 36 ha |
| 2022 | 29 ha | under 1 ha | 29 ha |
| 2023 | 12 ha | under 1 ha | 12 ha |
| 2024 | 19 ha | 1 ha | 20 ha |
| 2025 | 11 ha | 1 ha | 13 ha |
What is causing deforestation around Foz do Iguaçu?
- Towns and roadscleared for good63% · 540 ha
- Farms, pasture and plantationscleared for good34% · 286 ha
- Unknown causescause unknown2.1% · 18 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
- 8,880 ha
- Forest in 2020
- 8,450 ha
- Overall change
- −429 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Foz do Iguaçu shrank from about 8,880 hectares to 8,450 hectares, a net loss of about 429 hectares (−4.8%). New forest grew on about 488 hectares, but 917 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 Foz do Iguaçu
Same 2 km radius, same index — so they compare directly.
- Toledo125.9 km
Brazil
- Tree cover
- 35%
- Air quality
- 12
- Cascavel131.6 km
Brazil
- Tree cover
- 26%
- Air quality
- 14
- Francisco Beltrão164.5 km
Brazil
- Tree cover
- 32%
- Air quality
- 12
- Umuarama235.6 km
Brazil
- Tree cover
- 31%
- Air quality
- 16
- Encarnación235.7 km
Paraguay
- Tree cover
- 31%
- Air quality
- 54
- Posadas244.4 km
Argentina
- Tree cover
- 37%
- Air quality
- 54
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Frequently asked
Questions about Foz do Iguaçu
What is the air quality (AQI) in Foz do Iguaçu right now?
The latest reading for Foz do Iguaçu shows an AQI of 6 (Good), measured Nov 11, 12:00 local time by the RESPIRA-AIR-CDE-KM8_5-001 ground monitoring station, 3.7 km away, via OpenAQ. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Foz do Iguaçu today?
At AQI 6 (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 Foz do Iguaçu been like this week?
Over the last 7 days, the CAMS air-quality model put Foz do Iguaçu's daily AQI at 47 on average, from 33 on Nov 8 to an hourly peak of 75 on Nov 9. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Foz do Iguaçu lost since 2001?
Since 2001, the area within 10 km of Foz do Iguaçu has lost about 852 hectares of forest (about 1,200 football pitches): 8.9% of the forest it had in 2000. Most of it (97%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Foz do Iguaçu shrank from about 8,880 hectares to 8,450 hectares, a net loss of about 429 hectares (−4.8%). New forest grew on about 488 hectares, but 917 hectares were lost.
What is the tree count in Foz do Iguaçu?
Foz do Iguaçu has an estimated 141,358 trees across the 11.11 km² of land measured — 50.9% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Foz do Iguaçu need?
Foz do Iguaçu has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Foz do Iguaçu's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Centro, 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 Centro; the tree count is an estimate derived from that cover.
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