City report · Yemen
Al Ḩudaydah Air quality today
Air quality in Al Ḩudaydah currently reads AQI 56 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 56
Moderate
- PM2.5, fine particles (µg/m³)
- 11.9
- tree cover
- 1.2%
- trees in this area
- 3.5K
- more trees needed
- 83.7K
Measured across a 2 km radius around Al Hudaydah, Yemen (12.57 km²), from a satellite image of Sep 18, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Al Ḩudaydah · AQI 56 (Moderate)
Al Ḩudaydah's tree count comes to 3,487 trees across 11.63 km² of land, 29 points below the 30% tree-cover level considered healthy for this area, so roughly 83,692 more trees would close the gap.
Air quality detail
Air quality in Al Ḩudaydah today: AQI 56, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 14:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
11.9
PM10
19.2
NO₂
0.4
O₃
95.0
SO₂
1.0
CO
195.0
- 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 Al Ḩudaydah's daily AQI at 62 on average, from 56 on Nov 7 to an hourly peak of 78 on Nov 9.
Where Al Ḩudaydah stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Al Ḩudaydah: Critically low
1.2% tree cover against a 30% healthy-neighborhood target, across 11.63 km² of land.
Trees in this area
3,487
Target trees
87,179
More trees needed
83,692
CO₂ if planted / yr
1,841 t
Deforestation · 2001–2025
How much forest has Al Ḩudaydah lost?
There was almost no forest around Al Ḩudaydah in 2000, so there has been almost nothing to lose since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
2018: satellite photo from January 2018 of a 5 × 5 km area in the city center.
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. Images: contains modified Copernicus Sentinel data. How it's measured
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Frequently asked
Questions about Al Ḩudaydah
What is the air quality (AQI) in Al Ḩudaydah right now?
The latest reading for Al Ḩudaydah shows an AQI of 56 (Moderate), observed Nov 11, 14:00 local time via Open-Meteo / CAMS, 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 Al Ḩudaydah today?
At AQI 56 (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 Al Ḩudaydah been like this week?
Over the last 7 days, the CAMS air-quality model put Al Ḩudaydah's daily AQI at 62 on average, from 56 on Nov 7 to an hourly peak of 78 on Nov 9. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Al Ḩudaydah lost since 2001?
There was almost no forest around Al Ḩudaydah in 2000, so there has been almost nothing to lose since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
What is the tree count in Al Ḩudaydah?
Al Ḩudaydah has an estimated 3,487 trees across the 11.63 km² of land measured — 1.2% tree cover, 29 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Al Ḩudaydah need?
Al Ḩudaydah needs roughly 83,692 more trees to close a 29-point shortfall against its 30% tree-cover target — about 1,841 t of extra CO₂ absorbed per year once grown.
How are Al Ḩudaydah'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 Al Hudaydah; the tree count is an estimate derived from that cover.
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