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Airleaf

City report · Osun State, Nigeria

Ilobu Air quality today

Air quality in Ilobu currently reads AQI 67 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.

AQI 67

Air quality right now

Moderate

Main pollutant: PM2.5
PM2.5, fine particles (µg/m³)
17.9
tree cover
19.4%
trees in this area
60.9K
more trees needed
33.3K

Measured across a 2 km radius around Ilobu 230102, 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.

Ilobu · AQI 67 (Moderate)

Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Jan 24, 2026

Ilobu's tree count comes to 60,947 trees across 12.57 km², 11 points below the 30% tree-cover level considered healthy for this area, so roughly 33,301 more trees would close the gap.

Air quality detail

Air quality in Ilobu today: AQI 67, Moderate

Main pollutant: PM2.5 · Observed Nov 10, 16:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 185 km, US EPA index. Values in µg/m³.

Estimate · model corrected with 2 station cities within 185 km, e.g. Ibadan and Ijede

Health signal

Unusually sensitive people should consider limiting long outdoor exertion.

PM2.5

17.9

PM10

30.0

NO₂

1.8

O₃

108.0

SO₂

0.9

CO

349.0

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 Ilobu's daily AQI at 86 on average, from 74 on Nov 10 to an hourly peak of 146 on Nov 7.

Last 7 daysavg 86 · peak 146
Nov 4: AQI 92 (peak 143)Nov 5: AQI 92 (peak 131)Nov 6: AQI 79 (peak 130)Nov 7: AQI 92 (peak 146)Nov 8: AQI 90 (peak 133)Nov 9: AQI 82 (peak 91)Nov 10: AQI 74 (peak 90)
Nov 4Nov 10

Where Ilobu stands: the most polluted cities in the world right now · the cleanest

Tree cover detail

Tree cover in Ilobu: Below target

19.4% tree cover against a 30% healthy-neighborhood target, across 12.57 km².

11 points below target

Trees in this area

60,947

Target trees

94,248

More trees needed

33,301

CO₂ if planted / yr

732.6 t

Deforestation · 2001–2025

How much forest has Ilobu lost?

Since 2001, the area within 10 km of Ilobu has lost about 2,450 hectares of forest (about 3,400 football pitches): 15% of the forest it had in 2000. Most of it (100%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.

Satellite image of the area around Ilobu, January 2017

2017: satellite photo from January 2017 of a 5 × 5 km area about 4 km east of the city center.

Forest lost since 2001
2,450 haabout 3,400 football pitches
Share of its forest
15%of what there was in 2000
Cleared for good
2,450 hadeforestation: turned into farms, mines or towns

Forest loss has stayed about the same: about 161 hectares a year in 2021–2025, against 148 hectares a year in 2016–2020. The worst year was 2017, when about 273 hectares of forest were lost.

Forest lost each year around Ilobu, 2001–2025

Hectares of forest lost each year

Forest lost each year around Ilobu, 2001–2025. Use the left and right arrow keys to read each year.273

Show the figures as a table
Forest lost each year around Ilobu, 2001–2025
YearCleared for goodCan grow backTotal
20017 haunder 1 ha7 ha
200235 haunder 1 ha35 ha
2003under 1 haunder 1 haunder 1 ha
2004under 1 haunder 1 haunder 1 ha
200534 haunder 1 ha34 ha
200613 haunder 1 ha13 ha
200729 haunder 1 ha29 ha
200893 haunder 1 ha93 ha
200998 haunder 1 ha98 ha
2010126 haunder 1 ha126 ha
201155 haunder 1 ha55 ha
201275 haunder 1 ha75 ha
2013199 haunder 1 ha199 ha
201492 haunder 1 ha92 ha
201549 haunder 1 ha49 ha
201662 haunder 1 ha62 ha
2017273 haunder 1 ha273 ha
2018204 haunder 1 ha204 ha
201979 haunder 1 ha79 ha
2020121 haunder 1 ha121 ha
2021156 haunder 1 ha156 ha
2022188 haunder 1 ha188 ha
2023106 haunder 1 ha106 ha
2024222 haunder 1 ha222 ha
2025131 haunder 1 ha131 ha

What is causing deforestation around Ilobu?

  • Farms, pasture and plantationscleared for good50% · 1,230 ha
  • Towns and roadscleared for good50% · 1,220 ha

Also: 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
17,500 ha
Forest in 2020
16,100 ha
Overall change
−1,400 haless forest than in 2000

Comparing satellite maps from 2000 and 2020, the forest around Ilobu shrank from about 17,500 hectares to 16,100 hectares, a net loss of about 1,400 hectares (−8%). New forest grew on about 484 hectares, but 1,880 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 Ilobu

Same 2 km radius, same index — so they compare directly.

  • Ede

    Nigeria

    12.7 km
    Tree cover
    18%
    Air quality
    53
  • Inisa

    Nigeria

    17.3 km
    Tree cover
    80%
    Air quality
    104
  • Ikirun

    Nigeria

    21.5 km
    Tree cover
    15%
    Air quality
    68
  • Ilesa

    Nigeria

    36.6 km
    Tree cover
    18%
    Air quality
    65
  • Ile-Ife

    Nigeria

    40.5 km
    Tree cover
    20%
    Air quality
    64
  • Iwo

    Nigeria

    40.5 km
    Tree cover
    13%
    Air quality
    63

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Ilobu air quality (AQI) and tree cover — measured by Airleaf
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Frequently asked

Questions about Ilobu

What is the air quality (AQI) in Ilobu right now?

The latest reading for Ilobu shows an AQI of 67 (Moderate), observed Nov 10, 16:00 local time via Open-Meteo / CAMS, corrected with 2 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 Ilobu today?

At AQI 67 (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 Ilobu been like this week?

Over the last 7 days, the CAMS air-quality model put Ilobu'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 Ilobu lost since 2001?

Since 2001, the area within 10 km of Ilobu has lost about 2,450 hectares of forest (about 3,400 football pitches): 15% 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 has stayed about the same: about 161 hectares a year in 2021–2025, against 148 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Ilobu shrank from about 17,500 hectares to 16,100 hectares, a net loss of about 1,400 hectares (−8%). New forest grew on about 484 hectares, but 1,880 hectares were lost.

What is the tree count in Ilobu?

Ilobu has an estimated 60,947 trees across the 12.57 km² measured — 19.4% tree cover, 11 percentage points short of the 30% tree-cover target set for this area.

How many more trees does Ilobu need?

Ilobu needs roughly 33,301 more trees to close a 11-point shortfall against its 30% tree-cover target — about 732.6 t of extra CO₂ absorbed per year once grown.

How are Ilobu'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 Ilobu 230102; the tree count is an estimate derived from that cover.

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