City report · Imo State, Nigeria
Okigwe Air quality today
Air quality in Okigwe currently reads AQI 131 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
Air quality right now
AQI 131
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 48.2
- tree cover
- 59.6%
- trees in this area
- 187K
- more trees needed
- 0
Measured across a 2 km radius around Aro-Okigwe, Imo, Nigeria (12.57 km²), from a satellite image of Feb 5, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Okigwe · AQI 131 (Unhealthy for sensitive groups)
Okigwe's tree count comes to 187,239 trees across 12.57 km², already at or above the 35% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Okigwe today: AQI 131, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 10, 16:00 local time via Open-Meteo / CAMS, corrected with 3 ground-station cities within 125 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 3 station cities within 125 km, e.g. Nsukka and Port Harcourt
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
48.2
PM10
26.7
NO₂
2.0
O₃
93.0
SO₂
1.5
CO
476.0
- Outdoor exercise
- Children, older adults and people with asthma or heart disease should cut down long or hard exercise
- Windows
- Close them to keep the outside air out
- Mask
- Sensitive groups: an N95 outdoors
- Air purifier
- Run one, especially in bedrooms
Over the last 7 days, the CAMS air-quality model put Okigwe's daily AQI at 109 on average, from 94 on Nov 10 to an hourly peak of 184 on Nov 7.
Where Okigwe stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Okigwe: Healthy tree cover
59.6% tree cover against a 35% healthy-neighborhood target, across 12.57 km².
Trees in this area
187,239
Target trees
187,239
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Okigwe lost?
Since 2001, the area within 10 km of Okigwe has lost about 536 hectares of forest (about 750 football pitches): 6.2% of the forest it had in 2000. Most of it (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 about 7 km southeast of the city center.
- Forest lost since 2001
- 536 haabout 750 football pitches
- Share of its forest
- 6.2%of what there was in 2000
- Cleared for good
- 532 hadeforestation: turned into farms, mines or towns
The worst year was 2017, when about 186 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 | 12 ha | under 1 ha | 12 ha |
| 2002 | 11 ha | under 1 ha | 11 ha |
| 2003 | 3 ha | under 1 ha | 3 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | 3 ha | under 1 ha | 3 ha |
| 2006 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | 5 ha | under 1 ha | 5 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | 10 ha | under 1 ha | 11 ha |
| 2010 | 13 ha | under 1 ha | 13 ha |
| 2011 | 3 ha | under 1 ha | 3 ha |
| 2012 | 11 ha | under 1 ha | 11 ha |
| 2013 | 44 ha | 1 ha | 46 ha |
| 2014 | 22 ha | under 1 ha | 23 ha |
| 2015 | 8 ha | under 1 ha | 8 ha |
| 2016 | 7 ha | under 1 ha | 7 ha |
| 2017 | 185 ha | 1 ha | 186 ha |
| 2018 | 6 ha | under 1 ha | 6 ha |
| 2019 | 15 ha | under 1 ha | 15 ha |
| 2020 | 32 ha | under 1 ha | 32 ha |
| 2021 | 67 ha | under 1 ha | 67 ha |
| 2022 | 27 ha | under 1 ha | 27 ha |
| 2023 | 10 ha | under 1 ha | 10 ha |
| 2024 | 20 ha | under 1 ha | 20 ha |
| 2025 | 18 ha | under 1 ha | 18 ha |
What is causing deforestation around Okigwe?
- Farms, pasture and plantationscleared for good90% · 481 ha
- Towns and roadscleared for good8.7% · 47 ha
Also: mining and energy, shifting farming, 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
- 24,800 ha
- Forest in 2020
- 24,900 ha
- Overall change
- +110 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Okigwe stayed about the same size, at about 24,900 hectares: new forest grew on about 802 hectares, and about 691 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 Okigwe
What is the air quality (AQI) in Okigwe right now?
The latest reading for Okigwe shows an AQI of 131 (Unhealthy for sensitive groups), observed Nov 10, 16:00 local time via Open-Meteo / CAMS, corrected with 3 ground-station cities within 125 km, US EPA index. The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Okigwe today?
At AQI 131 (Unhealthy for sensitive groups): children, older adults and people with asthma or heart disease should cut down long or hard exercise. Windows: close them to keep the outside air out. Masks: sensitive groups: an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Okigwe been like this week?
Over the last 7 days, the CAMS air-quality model put Okigwe's daily AQI at 109 on average, from 94 on Nov 10 to an hourly peak of 184 on Nov 7. On 6 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Okigwe lost since 2001?
Since 2001, the area within 10 km of Okigwe has lost about 536 hectares of forest (about 750 football pitches): 6.2% of the forest it had in 2000. Most of it (99%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Okigwe stayed about the same size, at about 24,900 hectares: new forest grew on about 802 hectares, and about 691 hectares were lost.
What is the tree count in Okigwe?
Okigwe has an estimated 187,239 trees across the 12.57 km² measured — 59.6% tree cover, already past the 35% tree-cover target set for this area.
How many more trees does Okigwe need?
Okigwe has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Okigwe'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 Aro-Okigwe; the tree count is an estimate derived from that cover.
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