City report · Pará, Brazil
Breves Air quality today
Air quality in Breves currently reads AQI 76 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 76
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 20.3
- tree cover
- 51.4%
- trees in this area
- 138K
- more trees needed
- 0
Measured across a 2 km radius around Breves, Pará, 68800-000, Brazil (12.57 km²), from a satellite image of Sep 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Breves · AQI 76 (Moderate)
Breves's tree count comes to 137,741 trees across 10.72 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Breves today: AQI 76, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 06:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
20.3
PM10
22.1
NO₂
4.1
O₃
20.0
SO₂
0.9
CO
123.0
- 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 Breves's daily AQI at 52 on average, from 38 on Nov 5 to an hourly peak of 82 on Nov 11.
Where Breves stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Breves: Healthy tree cover
51.4% tree cover against a 30% healthy-neighborhood target, across 10.72 km² of land.
Trees in this area
137,741
Target trees
137,741
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Breves lost?
Since 2001, the area within 10 km of Breves has lost about 4,840 hectares of forest (about 6,800 football pitches): 17% of the forest it had in 2000. The biggest cause was shifting farming (42%), after which forest can grow back. About 1,820 hectares (38%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from July 2017 of a 5 × 5 km area about 7 km northeast of the city center.
- Forest lost since 2001
- 4,840 haabout 6,800 football pitches
- Share of its forest
- 17%of what there was in 2000
- Cleared for good
- 1,820 hadeforestation: turned into farms, mines or towns
Forest loss has stayed about the same: about 354 hectares a year in 2021–2025, against 288 hectares a year in 2016–2020. The worst year was 2024, when about 609 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 | 57 ha | 99 ha |
| 2002 | 10 ha | 17 ha | 27 ha |
| 2003 | 28 ha | 33 ha | 61 ha |
| 2004 | 20 ha | 48 ha | 69 ha |
| 2005 | 17 ha | 22 ha | 39 ha |
| 2006 | 15 ha | 18 ha | 33 ha |
| 2007 | 25 ha | 37 ha | 62 ha |
| 2008 | 71 ha | 85 ha | 156 ha |
| 2009 | 26 ha | 74 ha | 100 ha |
| 2010 | 28 ha | 82 ha | 109 ha |
| 2011 | 81 ha | 57 ha | 138 ha |
| 2012 | 44 ha | 37 ha | 81 ha |
| 2013 | 157 ha | 147 ha | 304 ha |
| 2014 | 109 ha | 106 ha | 215 ha |
| 2015 | 64 ha | 72 ha | 136 ha |
| 2016 | 186 ha | 234 ha | 420 ha |
| 2017 | 122 ha | 285 ha | 407 ha |
| 2018 | 69 ha | 128 ha | 197 ha |
| 2019 | 64 ha | 142 ha | 206 ha |
| 2020 | 76 ha | 135 ha | 211 ha |
| 2021 | 75 ha | 153 ha | 228 ha |
| 2022 | 68 ha | 93 ha | 161 ha |
| 2023 | 164 ha | 260 ha | 424 ha |
| 2024 | 178 ha | 431 ha | 609 ha |
| 2025 | 79 ha | 268 ha | 347 ha |
What is causing deforestation around Breves?
- Shifting farmingcan grow back42% · 2,050 ha
- Farms, pasture and plantationscleared for good27% · 1,290 ha
- Towns and roadscleared for good11% · 511 ha
Also: wildfires, logging, storms, floods and other natural causes, mining and energy, 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
- 27,400 ha
- Forest in 2020
- 27,300 ha
- Overall change
- −126 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Breves stayed about the same size, at about 27,300 hectares: new forest grew on about 573 hectares, and about 698 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 Breves
What is the air quality (AQI) in Breves right now?
The latest reading for Breves shows an AQI of 76 (Moderate), observed Nov 11, 06:00 local time via Open-Meteo / CAMS, 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 Breves today?
At AQI 76 (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 Breves been like this week?
Over the last 7 days, the CAMS air-quality model put Breves's daily AQI at 52 on average, from 38 on Nov 5 to an hourly peak of 82 on Nov 11. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Breves lost since 2001?
Since 2001, the area within 10 km of Breves has lost about 4,840 hectares of forest (about 6,800 football pitches): 17% of the forest it had in 2000. The biggest cause was shifting farming (42%), after which forest can grow back. About 1,820 hectares (38%) was deforestation: forest cleared for good for farms, mines or towns. Forest loss has stayed about the same: about 354 hectares a year in 2021–2025, against 288 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Breves stayed about the same size, at about 27,300 hectares: new forest grew on about 573 hectares, and about 698 hectares were lost.
What is the tree count in Breves?
Breves has an estimated 137,741 trees across the 10.72 km² of land measured — 51.4% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Breves need?
Breves has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Breves'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 Breves; the tree count is an estimate derived from that cover.
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