Nigeria · Oyo State · 7 cities
Air quality in Oyo State today The AQI right now, city by city
Right now, Kisi has the cleanest air of the 7 cities we track in Oyo State (AQI 59, Moderate), and Ogbomoso the worst (AQI 112, Unhealthy for sensitive groups). Igboho has the most tree cover, at 26.4% — #20 of 94 cities measured in Nigeria.
Every city is measured the same way, over the same 2 km around its center: the air quality right now, from ground stations where there are any, and its tree cover.
Average right now
AQI 84
Moderate
- cities tracked
- 7
- average tree cover
- 13.0%
- Nigeria: 19.4%
- worst air now: Ogbomoso
- 112
- cleanest air now: Kisi
- 59
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
Oyo State · average AQI 84
Air quality today across Oyo State, city by city
| Ibadan | 86Moderate | 2.2% | 87.3K | #88 of 94 |
|---|---|---|---|---|
| Oyo | 90Moderate | 3.1% | 84.5K | #83 of 94 |
| Ogbomoso | 112Unhealthy for sensitive groups | 13.4% | 67.9K | #45 of 94 |
| Iseyin | 81Moderate | 9.3% | 65.0K | #59 of 94 |
| Saki | 76Moderate | 23.8% | 19.5K | #21 of 94 |
| Kisi | 59Moderate | 13.1% | 53.1K | #46 of 94 |
| Igboho | 85Moderate | 26.4% | 11.3K | #20 of 94 |
Air quality is the US AQI from ground monitoring stations via OpenAQ where available, otherwise the Open-Meteo / CAMS model, refreshed hourly. Tree cover is measured within 2 km of each city center from Sentinel-2 imagery; the rank compares every city measured in Nigeria.
Deforestation · 2001–2025
How much forest has Oyo State lost?
Since 2001, Oyo State has lost about 56,900 hectares of forest (about 80,000 football pitches): 19% of the forest it had in 2000. Most of it (over 99%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
- Forest lost since 2001
- 56,900 haabout 80,000 football pitches
- Share of its forest
- 19%of what there was in 2000
- Cleared for good
- 56,700 hadeforestation: turned into farms, mines or towns
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 1,690 ha | 10 ha | 1,700 ha |
| 2002 | 492 ha | 2 ha | 494 ha |
| 2003 | 406 ha | 1 ha | 407 ha |
| 2004 | 159 ha | under 1 ha | 159 ha |
| 2005 | 552 ha | 2 ha | 554 ha |
| 2006 | 893 ha | 3 ha | 896 ha |
| 2007 | 2,290 ha | 4 ha | 2,300 ha |
| 2008 | 1,680 ha | 5 ha | 1,680 ha |
| 2009 | 723 ha | 1 ha | 724 ha |
| 2010 | 588 ha | 3 ha | 591 ha |
| 2011 | 1,300 ha | 4 ha | 1,300 ha |
| 2012 | 3,210 ha | 8 ha | 3,220 ha |
| 2013 | 1,550 ha | 4 ha | 1,550 ha |
| 2014 | 1,370 ha | 5 ha | 1,370 ha |
| 2015 | 1,330 ha | 2 ha | 1,330 ha |
| 2016 | 1,970 ha | 6 ha | 1,980 ha |
| 2017 | 7,830 ha | 35 ha | 7,870 ha |
| 2018 | 4,800 ha | 27 ha | 4,830 ha |
| 2019 | 2,430 ha | 14 ha | 2,450 ha |
| 2020 | 5,660 ha | 42 ha | 5,700 ha |
| 2021 | 3,440 ha | 11 ha | 3,460 ha |
| 2022 | 2,690 ha | 7 ha | 2,700 ha |
| 2023 | 2,450 ha | 11 ha | 2,460 ha |
| 2024 | 3,540 ha | 8 ha | 3,550 ha |
| 2025 | 3,670 ha | 14 ha | 3,680 ha |
Forest loss is slowing down: about 3,170 hectares a year in 2021–2025, down from 4,560 hectares a year in 2016–2020. The worst year was 2017, when about 7,870 hectares of forest were lost.
What is causing deforestation in Oyo State?
- Farms, pasture and plantationscleared for good93% · 52,900 ha
- Towns and roadscleared for good6.5% · 3,680 ha
Also: shifting farming, mining and energy, logging, storms, floods and other natural causes, wildfires, unknown causes.
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
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. How it's measured
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