City report · Algeria
Relizane Air quality today
Air quality in Relizane currently reads AQI 42 (Good): Air quality is satisfactory for everyone.
AQI 42
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 7.3
- tree cover
- 6.5%
- trees in this area
- 20.4K
- more trees needed
- 73.8K
Measured across a 2 km radius around Hai Sfia Abdelkader, Relizane, Algeria (12.57 km²), from a satellite image of Sep 15, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Relizane · AQI 42 (Good)
Relizane's tree count comes to 20,420 trees across 12.57 km², 24 points below the 30% tree-cover level considered healthy for this area, so roughly 73,827 more trees would close the gap.
Air quality detail
Air quality in Relizane today: AQI 42, Good
Main pollutant: PM2.5 · Observed Nov 10, 18:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Air quality is satisfactory for everyone.
PM2.5
7.3
PM10
12.5
NO₂
9.8
O₃
56.0
SO₂
3.5
CO
138.0
- Outdoor exercise
- A good day to be active outside
- Windows
- Open them to air the house
- Mask
- Not needed
- Air purifier
- Not needed
Over the last 7 days, the CAMS air-quality model put Relizane's daily AQI at 41 on average, from 37 on Nov 5 to an hourly peak of 49 on Nov 5.
Where Relizane stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Relizane: Critically low
6.5% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
20,420
Target trees
94,247
More trees needed
73,827
CO₂ if planted / yr
1,624 t
Deforestation · 2001–2025
How much forest has Relizane lost?
There was almost no forest around Relizane 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.
2017: satellite photo from July 2017 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
In the same region
Measured cities near Relizane
Same 2 km radius, same index — so they compare directly.
Build your own
Compare Relizane with anywhere
This place
Relizane
Use this data
Put Relizane's numbers on your site
Free to embed. Updates itself as the measurement refreshes.
Frequently asked
Questions about Relizane
What is the air quality (AQI) in Relizane right now?
The latest reading for Relizane shows an AQI of 42 (Good), observed Nov 10, 18:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Relizane today?
At AQI 42 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Relizane been like this week?
Over the last 7 days, the CAMS air-quality model put Relizane's daily AQI at 41 on average, from 37 on Nov 5 to an hourly peak of 49 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 Relizane lost since 2001?
There was almost no forest around Relizane 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 Relizane?
Relizane has an estimated 20,420 trees across the 12.57 km² measured — 6.5% tree cover, 24 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Relizane need?
Relizane needs roughly 73,827 more trees to close a 24-point shortfall against its 30% tree-cover target — about 1,624 t of extra CO₂ absorbed per year once grown.
How are Relizane'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 Hai Sfia Abdelkader; the tree count is an estimate derived from that cover.
See your own area
What does your neighborhood look like?
Pick any point and radius to get the same air-quality and tree-cover breakdown.
Check my address