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Air quality now: AQI65Moderate, Efon-Alaaye

City report · Ekiti State, Nigeria

Efon-Alaaye Air quality today

Air quality in Efon-Alaaye currently reads AQI 65 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.

AQI 65

Air quality right now

Moderate

Main pollutant: PM2.5
PM2.5, fine particles (µg/m³)
17.8
tree cover
76.1%
trees in this area
239K
more trees needed
0

Measured across a 2 km radius around Efon Alaaye 362104, Osun, Nigeria (12.57 km²), from a satellite image of Oct 11, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.

Efon-Alaaye · AQI 65 (Moderate)

Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Oct 11, 2026

Efon-Alaaye's tree count comes to 239,075 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 Efon-Alaaye today: AQI 65, Moderate

Main pollutant: PM2.5 · Observed Nov 10, 16:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 205 km, US EPA index. Values in µg/m³.

Estimate · model corrected with 2 station cities within 205 km, e.g. Ibadan and Ijede

Health signal

Unusually sensitive people should consider limiting long outdoor exertion.

PM2.5

17.8

PM10

28.1

NO₂

2.1

O₃

95.0

SO₂

0.8

CO

313.0

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 Efon-Alaaye's daily AQI at 79 on average, from 69 on Nov 10 to an hourly peak of 156 on Nov 6.

Last 7 daysavg 79 · peak 156
Nov 4: AQI 87 (peak 153)Nov 5: AQI 79 (peak 98)Nov 6: AQI 81 (peak 156)Nov 7: AQI 85 (peak 142)Nov 8: AQI 76 (peak 96)Nov 9: AQI 78 (peak 88)Nov 10: AQI 69 (peak 84)
Nov 4Nov 10

Where Efon-Alaaye stands: the most polluted cities in the world right now · the cleanest

Tree cover detail

Tree cover in Efon-Alaaye: Healthy tree cover

76.1% tree cover against a 30% healthy-neighborhood target, across 12.57 km².

Target reached

Trees in this area

239,075

Target trees

239,075

More trees needed

0

CO₂ if planted / yr

0 kg

Deforestation · 2001–2025

How much forest has Efon-Alaaye lost?

Since 2001, the area within 10 km of Efon-Alaaye has lost about 6,150 hectares of forest (about 8,600 football pitches): 21% of the forest it had in 2000. Most of it (97%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.

Satellite image of the area around Efon-Alaaye, January 2017

2017: satellite photo from January 2017 of a 5 × 5 km area about 7 km north of the city center.

Forest lost since 2001
6,150 haabout 8,600 football pitches
Share of its forest
21%of what there was in 2000
Cleared for good
5,930 hadeforestation: turned into farms, mines or towns

Forest loss has stayed about the same: about 526 hectares a year in 2021–2025, against 554 hectares a year in 2016–2020. The worst year was 2017, when about 977 hectares of forest were lost.

Forest lost each year around Efon-Alaaye, 2001–2025

Hectares of forest lost each year

Forest lost each year around Efon-Alaaye, 2001–2025. Use the left and right arrow keys to read each year.977

Show the figures as a table
Forest lost each year around Efon-Alaaye, 2001–2025
YearCleared for goodCan grow backTotal
20012 haunder 1 ha2 ha
20024 haunder 1 ha4 ha
20032 haunder 1 ha2 ha
20041 haunder 1 ha1 ha
20053 haunder 1 ha4 ha
20061 haunder 1 ha1 ha
20072 haunder 1 ha2 ha
20088 haunder 1 ha8 ha
200930 haunder 1 ha30 ha
201021 haunder 1 ha21 ha
20112 haunder 1 ha3 ha
201220 haunder 1 ha20 ha
2013170 ha3 ha173 ha
2014234 ha4 ha238 ha
2015235 ha6 ha241 ha
2016179 ha5 ha184 ha
2017939 ha38 ha977 ha
2018561 ha34 ha595 ha
2019530 ha21 ha551 ha
2020441 ha20 ha461 ha
2021513 ha25 ha538 ha
2022499 ha17 ha516 ha
2023480 ha14 ha494 ha
2024548 ha10 ha558 ha
2025507 ha16 ha523 ha

What is causing deforestation around Efon-Alaaye?

  • Farms, pasture and plantationscleared for good95% · 5,860 ha
  • Shifting farmingcan grow back3.4% · 212 ha
  • Towns and roadscleared for good1.2% · 75 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
22,300 ha
Forest in 2020
23,800 ha
Overall change
+1,450 hamore forest than in 2000

Comparing satellite maps from 2000 and 2020, the forest around Efon-Alaaye grew from about 22,300 hectares to 23,800 hectares, a net gain of about 1,450 hectares (+6.5%). New forest grew on about 2,340 hectares, while 887 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 Efon-Alaaye

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

  • Ilesa

    Nigeria

    20.2 km
    Tree cover
    18%
    Air quality
    65
  • Ijero-Ekiti

    Nigeria

    23.8 km
    Tree cover
    72%
    Air quality
    72
  • Ado-Ekiti

    Nigeria

    33.1 km
    Tree cover
    27%
    Air quality
    68
  • Ikere-Ekiti

    Nigeria

    38.3 km
    Tree cover
    43%
    Air quality
    68
  • Ikirun

    Nigeria

    40.0 km
    Tree cover
    15%
    Air quality
    68
  • Ila Orangun

    Nigeria

    40.1 km
    Tree cover
    45%
    Air quality
    68

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Efon-Alaaye air quality (AQI) and tree cover — measured by Airleaf
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Frequently asked

Questions about Efon-Alaaye

What is the air quality (AQI) in Efon-Alaaye right now?

The latest reading for Efon-Alaaye shows an AQI of 65 (Moderate), observed Nov 10, 16:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 205 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 Efon-Alaaye today?

At AQI 65 (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 Efon-Alaaye been like this week?

Over the last 7 days, the CAMS air-quality model put Efon-Alaaye's daily AQI at 79 on average, from 69 on Nov 10 to an hourly peak of 156 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 Efon-Alaaye lost since 2001?

Since 2001, the area within 10 km of Efon-Alaaye has lost about 6,150 hectares of forest (about 8,600 football pitches): 21% of the forest it had in 2000. Most of it (97%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss has stayed about the same: about 526 hectares a year in 2021–2025, against 554 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Efon-Alaaye grew from about 22,300 hectares to 23,800 hectares, a net gain of about 1,450 hectares (+6.5%). New forest grew on about 2,340 hectares, while 887 hectares were lost.

What is the tree count in Efon-Alaaye?

Efon-Alaaye has an estimated 239,075 trees across the 12.57 km² measured — 76.1% tree cover, already past the 30% tree-cover target set for this area.

How many more trees does Efon-Alaaye need?

Efon-Alaaye has already reached its tree-cover target, so no additional trees are needed to close the gap.

How are Efon-Alaaye'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 Efon Alaaye 362104; the tree count is an estimate derived from that cover.

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