City report · Algiers, Algeria
Algiers Air quality today
Air quality in Algiers currently reads AQI 70 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 70
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 21.8
- tree cover
- 14.8%
- trees in this area
- 46.0K
- more trees needed
- 47.2K
Measured across a 2 km radius around Kouba, Algeria (12.57 km²), from a satellite image of Sep 15, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Algiers · AQI 70 (Moderate)
Algiers's tree count comes to 45,984 trees across 12.43 km² of land, 15 points below the 30% tree-cover level considered healthy for this area, so roughly 47,227 more trees would close the gap.
Air quality detail
Air quality in Algiers today: AQI 70, Moderate
Main pollutant: PM2.5 · Observed Nov 10, 21:00 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
21.8
PM10
32.6
NO₂
58.9
O₃
5.0
SO₂
30.9
CO
367.0
- 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 Algiers's daily AQI at 56 on average, from 47 on Nov 5 to an hourly peak of 71 on Nov 9.
Where Algiers stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Algiers: Critically low
14.8% tree cover against a 30% healthy-neighborhood target, across 12.43 km² of land.
Trees in this area
45,984
Target trees
93,211
More trees needed
47,227
CO₂ if planted / yr
1,039 t
Deforestation · 2001–2025
How much forest has Algiers lost?
Since 2001, the area within 10 km of Algiers has lost about 70 hectares of forest (about 98 football pitches): 12% of the forest it had in 2000. Most of it (94%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from September 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 70 haabout 98 football pitches
- Share of its forest
- 12%of what there was in 2000
- Cleared for good
- 66 hadeforestation: turned into farms, mines or towns
The worst year was 2019, when about 7 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 | 2 ha | under 1 ha | 2 ha |
| 2002 | 2 ha | under 1 ha | 2 ha |
| 2003 | 2 ha | under 1 ha | 2 ha |
| 2004 | 3 ha | under 1 ha | 3 ha |
| 2005 | 3 ha | under 1 ha | 3 ha |
| 2006 | 4 ha | under 1 ha | 4 ha |
| 2007 | 3 ha | 1 ha | 4 ha |
| 2008 | 6 ha | under 1 ha | 6 ha |
| 2009 | 3 ha | under 1 ha | 3 ha |
| 2010 | 4 ha | under 1 ha | 4 ha |
| 2011 | 1 ha | under 1 ha | 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | 4 ha | under 1 ha | 5 ha |
| 2015 | 3 ha | under 1 ha | 3 ha |
| 2016 | 2 ha | under 1 ha | 2 ha |
| 2017 | 1 ha | under 1 ha | 1 ha |
| 2018 | 4 ha | under 1 ha | 4 ha |
| 2019 | 7 ha | under 1 ha | 7 ha |
| 2020 | 2 ha | under 1 ha | 3 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | 1 ha | under 1 ha | 1 ha |
| 2023 | 2 ha | under 1 ha | 2 ha |
| 2024 | 4 ha | under 1 ha | 4 ha |
| 2025 | 1 ha | 1 ha | 3 ha |
What is causing deforestation around Algiers?
- Towns and roadscleared for good82% · 58 ha
- Farms, pasture and plantationscleared for good11% · 8 ha
- Unknown causescause unknown5.7% · 4 ha
Also: wildfires.
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
- 1,260 ha
- Forest in 2020
- 1,330 ha
- Overall change
- +70 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Algiers grew from about 1,260 hectares to 1,330 hectares, a net gain of about 70 hectares (+5.5%). New forest grew on about 128 hectares, while 58 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
In the same region
Measured cities near Algiers
Same 2 km radius, same index — so they compare directly.
- Rouiba17.2 km
Algeria
- Tree cover
- 9%
- Air quality
- 57
- Médéa60.0 km
Algeria
- Tree cover
- 10%
- Air quality
- 44
- Tizi Ouzou85.5 km
Algeria
- Tree cover
- 23%
- Air quality
- 53
- El Achir156.6 km
Algeria
- Tree cover
- 1%
- Air quality
- 41
- Bordj Bou Arreridj166.7 km
Algeria
- Tree cover
- 1%
- Air quality
- 43
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Frequently asked
Questions about Algiers
What is the air quality (AQI) in Algiers right now?
The latest reading for Algiers shows an AQI of 70 (Moderate), observed Nov 10, 21:00 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 Algiers today?
At AQI 70 (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 Algiers been like this week?
Over the last 7 days, the CAMS air-quality model put Algiers's daily AQI at 56 on average, from 47 on Nov 5 to an hourly peak of 71 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 Algiers lost since 2001?
Since 2001, the area within 10 km of Algiers has lost about 70 hectares of forest (about 98 football pitches): 12% of the forest it had in 2000. Most of it (94%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Algiers grew from about 1,260 hectares to 1,330 hectares, a net gain of about 70 hectares (+5.5%). New forest grew on about 128 hectares, while 58 hectares were lost.
What is the tree count in Algiers?
Algiers has an estimated 45,984 trees across the 12.43 km² of land measured — 14.8% tree cover, 15 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Algiers need?
Algiers needs roughly 47,227 more trees to close a 15-point shortfall against its 30% tree-cover target — about 1,039 t of extra CO₂ absorbed per year once grown.
How are Algiers'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 Kouba; the tree count is an estimate derived from that cover.
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