City report · Osun State, Nigeria
Inisa Air quality today
Air quality in Inisa currently reads AQI 93 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 93
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 32.3
- tree cover
- 80.1%
- trees in this area
- 252K
- more trees needed
- 0
Measured across a 2 km radius around Inisa 232116, Osun, Nigeria (12.57 km²), from a satellite image of Jan 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Inisa · AQI 93 (Moderate)
Inisa's tree count comes to 251,642 trees across 12.57 km², already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Inisa today: AQI 93, Moderate
Main pollutant: PM2.5 · Observed Nov 10, 16:00 local time via Open-Meteo / CAMS, corrected with 6 ground-station cities within 185 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 6 station cities within 185 km, e.g. Ibadan and Ijede
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
32.3
PM10
30.0
NO₂
1.8
O₃
108.0
SO₂
0.9
CO
356.0
- 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 Inisa's daily AQI at 86 on average, from 74 on Nov 10 to an hourly peak of 146 on Nov 7.
Where Inisa stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Inisa: Healthy tree cover
80.1% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
251,642
Target trees
251,642
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Inisa lost?
Since 2001, the area within 10 km of Inisa has lost about 2,270 hectares of forest (about 3,200 football pitches): 16% of the forest it had in 2000. Most of it (100%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from January 2017 of a 5 × 5 km area about 7 km southwest of the city center.
- Forest lost since 2001
- 2,270 haabout 3,200 football pitches
- Share of its forest
- 16%of what there was in 2000
- Cleared for good
- 2,270 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 132 hectares a year in 2021–2025, down from 270 hectares a year in 2016–2020. The worst year was 2017, when about 462 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 | 5 ha | under 1 ha | 5 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | 2 ha | under 1 ha | 2 ha |
| 2005 | 9 ha | under 1 ha | 9 ha |
| 2006 | 4 ha | under 1 ha | 4 ha |
| 2007 | 16 ha | under 1 ha | 16 ha |
| 2008 | 27 ha | under 1 ha | 27 ha |
| 2009 | 3 ha | under 1 ha | 3 ha |
| 2010 | 14 ha | under 1 ha | 14 ha |
| 2011 | 4 ha | under 1 ha | 4 ha |
| 2012 | 15 ha | under 1 ha | 15 ha |
| 2013 | 90 ha | under 1 ha | 90 ha |
| 2014 | 39 ha | under 1 ha | 39 ha |
| 2015 | 18 ha | under 1 ha | 18 ha |
| 2016 | 102 ha | under 1 ha | 102 ha |
| 2017 | 462 ha | under 1 ha | 462 ha |
| 2018 | 376 ha | under 1 ha | 376 ha |
| 2019 | 235 ha | under 1 ha | 235 ha |
| 2020 | 177 ha | under 1 ha | 177 ha |
| 2021 | 88 ha | under 1 ha | 88 ha |
| 2022 | 110 ha | under 1 ha | 110 ha |
| 2023 | 137 ha | under 1 ha | 137 ha |
| 2024 | 151 ha | under 1 ha | 151 ha |
| 2025 | 176 ha | under 1 ha | 176 ha |
What is causing deforestation around Inisa?
- Farms, pasture and plantationscleared for good92% · 2,090 ha
- Towns and roadscleared for good7.8% · 177 ha
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
- 23,000 ha
- Forest in 2020
- 23,300 ha
- Overall change
- +329 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Inisa stayed about the same size, at about 23,300 hectares: new forest grew on about 947 hectares, and about 618 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 Inisa
What is the air quality (AQI) in Inisa right now?
The latest reading for Inisa shows an AQI of 93 (Moderate), observed Nov 10, 16:00 local time via Open-Meteo / CAMS, corrected with 6 ground-station cities within 185 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 Inisa today?
At AQI 93 (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 Inisa been like this week?
Over the last 7 days, the CAMS air-quality model put Inisa's daily AQI at 86 on average, from 74 on Nov 10 to an hourly peak of 146 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 Inisa lost since 2001?
Since 2001, the area within 10 km of Inisa has lost about 2,270 hectares of forest (about 3,200 football pitches): 16% of the forest it had in 2000. Most of it (100%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss is slowing down: about 132 hectares a year in 2021–2025, down from 270 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Inisa stayed about the same size, at about 23,300 hectares: new forest grew on about 947 hectares, and about 618 hectares were lost.
What is the tree count in Inisa?
Inisa has an estimated 251,642 trees across the 12.57 km² measured — 80.1% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Inisa need?
Inisa has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Inisa'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 Inisa 232116; the tree count is an estimate derived from that cover.
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