City report · Oyo State, Nigeria
Oyo Air quality today
Air quality in Oyo currently reads AQI 90 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 90
Moderate
- PM2.5, fine particles (µg/m³)
- 30.1
- tree cover
- 3.1%
- trees in this area
- 9.7K
- more trees needed
- 84.5K
Measured across a 2 km radius around Jabata 2, Oyo, Nigeria (12.57 km²), from a satellite image of Jan 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Oyo · AQI 90 (Moderate)
Oyo's tree count comes to 9,739 trees across 12.57 km², 27 points below the 30% tree-cover level considered healthy for this area, so roughly 84,509 more trees would close the gap.
Air quality detail
Air quality in Oyo today: AQI 90, Moderate
Main pollutant: PM2.5 · Observed Nov 10, 16:00 local time via Open-Meteo / CAMS, corrected with 6 ground-station cities within 165 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 6 station cities within 165 km, e.g. Ibadan and Ijede
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
30.1
PM10
23.6
NO₂
1.2
O₃
93.0
SO₂
0.7
CO
250.0
- 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 Oyo's daily AQI at 83 on average, from 72 on Nov 10 to an hourly peak of 135 on Nov 4.
Where Oyo stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Oyo: Critically low
3.1% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
9,739
Target trees
94,248
More trees needed
84,509
CO₂ if planted / yr
1,859 t
Deforestation · 2001–2025
How much forest has Oyo lost?
Since 2001, the area within 10 km of Oyo has lost about 107 hectares of forest (about 150 football pitches): 29% of the forest it had in 2000. Most of it (over 99%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from January 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 107 haabout 150 football pitches
- Share of its forest
- 29%of what there was in 2000
- Cleared for good
- 107 hadeforestation: turned into farms, mines or towns
The worst year was 2017, when about 42 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 | under 1 ha | under 1 ha | under 1 ha |
| 2002 | 4 ha | under 1 ha | 4 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | 2 ha | under 1 ha | 2 ha |
| 2007 | 5 ha | under 1 ha | 5 ha |
| 2008 | 5 ha | under 1 ha | 5 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | 1 ha | under 1 ha | 1 ha |
| 2012 | 9 ha | under 1 ha | 9 ha |
| 2013 | 3 ha | under 1 ha | 3 ha |
| 2014 | 2 ha | under 1 ha | 2 ha |
| 2015 | 3 ha | under 1 ha | 3 ha |
| 2016 | 5 ha | under 1 ha | 5 ha |
| 2017 | 42 ha | under 1 ha | 42 ha |
| 2018 | 4 ha | under 1 ha | 4 ha |
| 2019 | 1 ha | under 1 ha | 1 ha |
| 2020 | 12 ha | under 1 ha | 12 ha |
| 2021 | 2 ha | under 1 ha | 2 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | 3 ha | under 1 ha | 3 ha |
| 2025 | 1 ha | under 1 ha | 1 ha |
What is causing deforestation around Oyo?
- Farms, pasture and plantationscleared for good91% · 97 ha
- Towns and roadscleared for good9.1% · 10 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
- 4,690 ha
- Forest in 2020
- 3,660 ha
- Overall change
- −1,030 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Oyo shrank from about 4,690 hectares to 3,660 hectares, a net loss of about 1,030 hectares (−22%). New forest grew on about 67 hectares, but 1,100 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 Oyo
What is the air quality (AQI) in Oyo right now?
The latest reading for Oyo shows an AQI of 90 (Moderate), observed Nov 10, 16:00 local time via Open-Meteo / CAMS, corrected with 6 ground-station cities within 165 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 Oyo today?
At AQI 90 (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 Oyo been like this week?
Over the last 7 days, the CAMS air-quality model put Oyo's daily AQI at 83 on average, from 72 on Nov 10 to an hourly peak of 135 on Nov 4. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Oyo lost since 2001?
Since 2001, the area within 10 km of Oyo has lost about 107 hectares of forest (about 150 football pitches): 29% of the forest it had in 2000. Most of it (over 99%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Oyo shrank from about 4,690 hectares to 3,660 hectares, a net loss of about 1,030 hectares (−22%). New forest grew on about 67 hectares, but 1,100 hectares were lost.
What is the tree count in Oyo?
Oyo has an estimated 9,739 trees across the 12.57 km² measured — 3.1% tree cover, 27 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Oyo need?
Oyo needs roughly 84,509 more trees to close a 27-point shortfall against its 30% tree-cover target — about 1,859 t of extra CO₂ absorbed per year once grown.
How are Oyo'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 Jabata 2; the tree count is an estimate derived from that cover.
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