Nigeria · Abia State · 3 cities
Air quality in Abia State today The AQI right now, city by city
Right now, Amaigbo has the cleanest air of the 3 cities we track in Abia State (AQI 62, Moderate), and Aba the worst (AQI 105, Unhealthy for sensitive groups). Umuahia has the most tree cover, at 20.5% — #25 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.
AQI 84
Average right now
Moderate
- cities tracked
- 3
- average tree cover
- 32.1%
- Nigeria: 19.4%
- worst air now: Aba
- 105
- cleanest air now: Amaigbo
- 62
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
Abia State · average AQI 84
Air quality today across Abia State, city by city
| Aba | 105Unhealthy for sensitive groups | 3.4% | 99.3K | #79 of 94 |
|---|---|---|---|---|
| Umuahia | 86Moderate | 20.5% | 29.8K | #25 of 94 |
| Amaigbo | 62Moderate | 72.5% | — | — |
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 Abia State lost?
Since 2001, Abia State has lost about 20,000 hectares of forest (about 28,000 football pitches): 18% of the forest it had in 2000. Most of it (82%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
- Forest lost since 2001
- 20,000 haabout 28,000 football pitches
- Share of its forest
- 18%of what there was in 2000
- Cleared for good
- 16,400 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 | 2,120 ha | 324 ha | 2,450 ha |
| 2002 | 515 ha | 134 ha | 649 ha |
| 2003 | 501 ha | 111 ha | 612 ha |
| 2004 | 183 ha | 74 ha | 257 ha |
| 2005 | 212 ha | 20 ha | 232 ha |
| 2006 | 82 ha | 9 ha | 91 ha |
| 2007 | 131 ha | 12 ha | 143 ha |
| 2008 | 71 ha | 11 ha | 81 ha |
| 2009 | 346 ha | 53 ha | 399 ha |
| 2010 | 455 ha | 69 ha | 524 ha |
| 2011 | 300 ha | 134 ha | 434 ha |
| 2012 | 378 ha | 87 ha | 465 ha |
| 2013 | 864 ha | 259 ha | 1,120 ha |
| 2014 | 1,070 ha | 324 ha | 1,400 ha |
| 2015 | 547 ha | 100 ha | 647 ha |
| 2016 | 460 ha | 87 ha | 547 ha |
| 2017 | 1,870 ha | 381 ha | 2,250 ha |
| 2018 | 1,390 ha | 402 ha | 1,800 ha |
| 2019 | 623 ha | 211 ha | 834 ha |
| 2020 | 612 ha | 214 ha | 826 ha |
| 2021 | 1,050 ha | 227 ha | 1,280 ha |
| 2022 | 828 ha | 168 ha | 996 ha |
| 2023 | 544 ha | 80 ha | 624 ha |
| 2024 | 611 ha | 68 ha | 679 ha |
| 2025 | 614 ha | 88 ha | 702 ha |
Forest loss is slowing down: about 856 hectares a year in 2021–2025, down from 1,250 hectares a year in 2016–2020. The worst year was 2001, when about 2,450 hectares of forest were lost.
What is causing deforestation in Abia State?
- Farms, pasture and plantationscleared for good79% · 15,800 ha
- Shifting farmingcan grow back18% · 3,550 ha
- Towns and roadscleared for good2.5% · 499 ha
Also: logging, mining and energy, storms, floods and other natural causes, 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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