City report · Qalyubia, Egypt
Al-'Ubūr Air quality today
Air quality in Al-'Ubūr currently reads AQI 77 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 77
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 22.9
- tree cover
- 5.1%
- trees in this area
- 16.0K
- more trees needed
- 78.2K
Measured across a 2 km radius around Fifth District, Obour, Al-Qalyubia Governorate, Egypt (12.57 km²), from a satellite image of Sep 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Al-'Ubūr · AQI 77 (Moderate)
Al-'Ubūr's tree count comes to 16,022 trees across 12.57 km², 25 points below the 30% tree-cover level considered healthy for this area, so roughly 78,226 more trees would close the gap.
Air quality detail
Air quality in Al-'Ubūr today: AQI 77, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 18:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Walkthru Earth Main, 20.9 km away
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
22.9
PM10
—
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · AirGradient, Walkthru Earth
- 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-'Ubūr's daily AQI at 52 on average, from 40 on Nov 10 to an hourly peak of 106 on Nov 5.
Where Al-'Ubūr stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Al-'Ubūr: Critically low
5.1% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
16,022
Target trees
94,248
More trees needed
78,226
CO₂ if planted / yr
1,721 t
Deforestation · 2001–2025
How much forest has Al-'Ubūr lost?
There was very little forest around Al-'Ubūr in 2000, about 2 hectares, and about 2 hectares of it has been lost since. Only fairly dense woodland counts as forest in these maps, so scattered street and garden trees don't show up here.
2017: satellite photo from September 2017 of a 5 × 5 km area in the city center.
The worst year was 2010, when about 1 hectare 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 | under 1 ha | under 1 ha | under 1 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 | under 1 ha | under 1 ha | under 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | 1 ha | under 1 ha | 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Al-'Ubūr?
- Farms, pasture and plantationscleared for good94% · 2 ha
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
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-'Ubūr
What is the air quality (AQI) in Al-'Ubūr right now?
The latest reading for Al-'Ubūr shows an AQI of 77 (Moderate), measured Nov 11, 18:00 local time by the Walkthru Earth Main ground monitoring station, 20.9 km away, via OpenAQ. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Al-'Ubūr today?
At AQI 77 (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-'Ubūr been like this week?
Over the last 7 days, the CAMS air-quality model put Al-'Ubūr's daily AQI at 52 on average, from 40 on Nov 10 to an hourly peak of 106 on Nov 5. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Al-'Ubūr lost since 2001?
There was very little forest around Al-'Ubūr in 2000, about 2 hectares, and about 2 hectares of it has been lost 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-'Ubūr?
Al-'Ubūr has an estimated 16,022 trees across the 12.57 km² measured — 5.1% tree cover, 25 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Al-'Ubūr need?
Al-'Ubūr needs roughly 78,226 more trees to close a 25-point shortfall against its 30% tree-cover target — about 1,721 t of extra CO₂ absorbed per year once grown.
How are Al-'Ubūr's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Fifth District, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. 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 Fifth District; the tree count is an estimate derived from that cover.
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