City report · Algeria
Tiaret Air quality today
Air quality in Tiaret currently reads AQI 48 (Good): Air quality is satisfactory for everyone.
AQI 48
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 9.4
- tree cover
- 8.8%
- trees in this area
- 27.6K
- more trees needed
- 66.6K
Measured across a 2 km radius around Tiaret, Algeria (12.57 km²), from a satellite image of Sep 15, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Tiaret · AQI 48 (Good)
Tiaret's tree count comes to 27,646 trees across 12.57 km², 21 points below the 30% tree-cover level considered healthy for this area, so roughly 66,602 more trees would close the gap.
Air quality detail
Air quality in Tiaret today: AQI 48, 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
9.4
PM10
21.2
NO₂
3.7
O₃
43.0
SO₂
1.2
CO
121.0
- 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 Tiaret's daily AQI at 33 on average, from 26 on Nov 5 to an hourly peak of 48 on Nov 10.
Where Tiaret stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Tiaret: Critically low
8.8% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
27,646
Target trees
94,248
More trees needed
66,602
CO₂ if planted / yr
1,465 t
Deforestation · 2001–2025
How much forest has Tiaret lost?
Since 2001, the area within 10 km of Tiaret has lost about 5 hectares of forest (about 7 football pitches): 1.1% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. Almost none of it was deforestation, meaning forest cleared for good.
2017: satellite photo from July 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 5 haabout 7 football pitches
- Share of its forest
- 1.1%of what there was in 2000
- Cleared for good
- under 1 hadeforestation: turned into farms, mines or towns
The worst year was 2021, when about 1 hectare of forest were lost, mostly to wildfires.
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 | under 1 ha | under 1 ha | under 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 | 1 ha | 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | under 1 ha | under 1 ha | 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 Tiaret?
- Wildfirescan grow back77% · 4 ha
- Farms, pasture and plantationscleared for good9.4% · under 1 ha
- Unknown causescause unknown15% · under 1 ha
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
- 1,480 ha
- Forest in 2020
- 1,570 ha
- Overall change
- +90 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Tiaret grew from about 1,480 hectares to 1,570 hectares, a net gain of about 90 hectares (+6.1%). New forest grew on about 92 hectares, while 2 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 Tiaret
What is the air quality (AQI) in Tiaret right now?
The latest reading for Tiaret shows an AQI of 48 (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 Tiaret today?
At AQI 48 (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 Tiaret been like this week?
Over the last 7 days, the CAMS air-quality model put Tiaret's daily AQI at 33 on average, from 26 on Nov 5 to an hourly peak of 48 on Nov 10. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Tiaret lost since 2001?
Since 2001, the area within 10 km of Tiaret has lost about 5 hectares of forest (about 7 football pitches): 1.1% of the forest it had in 2000. Most of it was lost to wildfires, so much of it can grow back. Almost none of it was deforestation, meaning forest cleared for good. Comparing satellite maps from 2000 and 2020, the forest around Tiaret grew from about 1,480 hectares to 1,570 hectares, a net gain of about 90 hectares (+6.1%). New forest grew on about 92 hectares, while 2 hectares were lost.
What is the tree count in Tiaret?
Tiaret has an estimated 27,646 trees across the 12.57 km² measured — 8.8% tree cover, 21 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Tiaret need?
Tiaret needs roughly 66,602 more trees to close a 21-point shortfall against its 30% tree-cover target — about 1,465 t of extra CO₂ absorbed per year once grown.
How are Tiaret'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 Tiaret; the tree count is an estimate derived from that cover.
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