City report · Saudi Arabia
Najrān Air quality today
Air quality in Najrān currently reads AQI 38 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 38
Good
- PM2.5, fine particles (µg/m³)
- 7.1
- tree cover
- 4.1%
- trees in this area
- 12.9K
- more trees needed
- 81.4K
Measured across a 2 km radius around Aba Lasaud, Najran Saudi Arabia (12.57 km²), from a satellite image of Sep 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Najrān · AQI 38 (Good)
Najrān's tree count comes to 12,881 trees across 12.57 km², 26 points below the 30% tree-cover level considered healthy for this area, so roughly 81,367 more trees would close the gap.
Air quality detail
Air quality in Najrān today: AQI 38, Good
Main pollutant: PM2.5 · Observed Nov 11, 07:00 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
7.1
PM10
18.9
NO₂
3.8
O₃
75.0
SO₂
7.0
CO
148.0
- 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 Najrān's daily AQI at 55 on average, from 41 on Nov 11 to an hourly peak of 86 on Nov 5.
Where Najrān stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Najrān: Critically low
4.1% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
12,881
Target trees
94,248
More trees needed
81,367
CO₂ if planted / yr
1,790 t
Deforestation · 2001–2025
How much forest has Najrān lost?
There was almost no forest around Najrān 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 January 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 Najrān
Same 2 km radius, same index — so they compare directly.
- Şabyā164.0 km
Saudi Arabia
- Tree cover
- 3%
- Air quality
- 61
- Khamis Mushait172.7 km
Saudi Arabia
- Tree cover
- 2%
- Air quality
- 52
- Jizan180.4 km
Saudi Arabia
- Tree cover
- 0%
- Air quality
- 61
- Abha189.6 km
Saudi Arabia
- Tree cover
- 5%
- Air quality
- 56
- Sanaa238.0 km
Yemen
- Tree cover
- 3%
- Air quality
- 42
- Bīshah321.6 km
Saudi Arabia
- Tree cover
- 2%
- Air quality
- 64
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Frequently asked
Questions about Najrān
What is the air quality (AQI) in Najrān right now?
The latest reading for Najrān shows an AQI of 38 (Good), observed Nov 11, 07:00 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 Najrān today?
At AQI 38 (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 Najrān been like this week?
Over the last 7 days, the CAMS air-quality model put Najrān's daily AQI at 55 on average, from 41 on Nov 11 to an hourly peak of 86 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 Najrān lost since 2001?
There was almost no forest around Najrān 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 Najrān?
Najrān has an estimated 12,881 trees across the 12.57 km² measured — 4.1% tree cover, 26 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Najrān need?
Najrān needs roughly 81,367 more trees to close a 26-point shortfall against its 30% tree-cover target — about 1,790 t of extra CO₂ absorbed per year once grown.
How are Najrān'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 Aba Lasaud; the tree count is an estimate derived from that cover.
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