City report · Maranhão, Brazil
São José de Ribamar Air quality today
Air quality in São José de Ribamar currently reads AQI 48 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 48
Good
- PM2.5, fine particles (µg/m³)
- 9.2
- tree cover
- 49.6%
- trees in this area
- 97.9K
- more trees needed
- 0
Measured across a 2 km radius around Cruzeiro, São José de Ribamar - MA, 65110-000, Brazil (12.57 km²), from a satellite image of Nov 9, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
São José de Ribamar · AQI 48 (Good)
São José de Ribamar's tree count comes to 97,857 trees across 7.89 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in São José de Ribamar today: AQI 48, Good
Main pollutant: PM2.5 · Observed Nov 11, 02:00 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
9.2
PM10
17.3
NO₂
0.8
O₃
42.0
SO₂
0.5
CO
120.0
- 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 São José de Ribamar's daily AQI at 44 on average, from 36 on Nov 8 to an hourly peak of 58 on Nov 6.
Where São José de Ribamar stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in São José de Ribamar: Healthy tree cover
49.6% tree cover against a 30% healthy-neighborhood target, across 7.89 km² of land.
Trees in this area
97,857
Target trees
97,857
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has São José de Ribamar lost?
Since 2001, the area within 10 km of São José de Ribamar has lost about 1,560 hectares of forest (about 2,200 football pitches): 19% 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 7 km northwest of the city center.
- Forest lost since 2001
- 1,560 haabout 2,200 football pitches
- Share of its forest
- 19%of what there was in 2000
- Cleared for good
- 1,530 hadeforestation: turned into farms, mines or towns
Forest loss has stayed about the same: about 64 hectares a year in 2021–2025, against 65 hectares a year in 2016–2020. The worst year was 2013, when about 208 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 | 7 ha | 1 ha | 8 ha |
| 2002 | 47 ha | under 1 ha | 47 ha |
| 2003 | 11 ha | under 1 ha | 11 ha |
| 2004 | 89 ha | under 1 ha | 89 ha |
| 2005 | 19 ha | under 1 ha | 20 ha |
| 2006 | 33 ha | under 1 ha | 33 ha |
| 2007 | 23 ha | under 1 ha | 23 ha |
| 2008 | 56 ha | 1 ha | 57 ha |
| 2009 | 63 ha | under 1 ha | 64 ha |
| 2010 | 56 ha | 2 ha | 58 ha |
| 2011 | 65 ha | under 1 ha | 65 ha |
| 2012 | 91 ha | 1 ha | 93 ha |
| 2013 | 208 ha | under 1 ha | 208 ha |
| 2014 | 83 ha | 2 ha | 85 ha |
| 2015 | 55 ha | 5 ha | 60 ha |
| 2016 | 79 ha | 2 ha | 80 ha |
| 2017 | 80 ha | 1 ha | 82 ha |
| 2018 | 51 ha | 2 ha | 53 ha |
| 2019 | 51 ha | under 1 ha | 52 ha |
| 2020 | 56 ha | 4 ha | 59 ha |
| 2021 | 52 ha | 2 ha | 54 ha |
| 2022 | 77 ha | 2 ha | 79 ha |
| 2023 | 47 ha | 2 ha | 49 ha |
| 2024 | 38 ha | 3 ha | 41 ha |
| 2025 | 95 ha | under 1 ha | 96 ha |
What is causing deforestation around São José de Ribamar?
- Farms, pasture and plantationscleared for good51% · 796 ha
- Towns and roadscleared for good42% · 656 ha
- Mining and energycleared for good5% · 78 ha
Also: storms, floods and other natural causes, 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
- 3,270 ha
- Forest in 2020
- 3,240 ha
- Overall change
- −34 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around São José de Ribamar stayed about the same size, at about 3,240 hectares: new forest grew on about 165 hectares, and about 199 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 São José de Ribamar
What is the air quality (AQI) in São José de Ribamar right now?
The latest reading for São José de Ribamar shows an AQI of 48 (Good), observed Nov 11, 02:00 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 São José de Ribamar today?
At AQI 48 (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 São José de Ribamar been like this week?
Over the last 7 days, the CAMS air-quality model put São José de Ribamar's daily AQI at 44 on average, from 36 on Nov 8 to an hourly peak of 58 on Nov 6. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around São José de Ribamar lost since 2001?
Since 2001, the area within 10 km of São José de Ribamar has lost about 1,560 hectares of forest (about 2,200 football pitches): 19% of the forest it had in 2000. Most of it (98%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss has stayed about the same: about 64 hectares a year in 2021–2025, against 65 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around São José de Ribamar stayed about the same size, at about 3,240 hectares: new forest grew on about 165 hectares, and about 199 hectares were lost.
What is the tree count in São José de Ribamar?
São José de Ribamar has an estimated 97,857 trees across the 7.89 km² of land measured — 49.6% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does São José de Ribamar need?
São José de Ribamar has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are São José de Ribamar'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 Cruzeiro; the tree count is an estimate derived from that cover.
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