City report · Riyadh Region, Saudi Arabia
Al Kharj Air quality today
Air quality in Al Kharj currently reads AQI 255 (Very unhealthy): Health alert — everyone should avoid long outdoor exertion.
Air quality right now
AQI 255
Very unhealthy
- PM2.5, fine particles (µg/m³)
- 173.2
- tree cover
- 0.4%
- trees in this area
- 1.3K
- more trees needed
- 140K
Measured across a 2 km radius around An Nahdah, Al-Kharj 16439, Saudi Arabia (12.57 km²), from a satellite image of Sep 23, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Al Kharj · AQI 255 (Very unhealthy)
Al Kharj's tree count comes to 1,257 trees across 12.57 km², 45 points below the 45% tree-cover level considered healthy for this area, so roughly 140,115 more trees would close the gap.
Air quality detail
Air quality in Al Kharj today: AQI 255, Very unhealthy
Main pollutant: PM2.5 · Observed Nov 10, 16:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Health alert — everyone should avoid long outdoor exertion.
PM2.5
173.2
PM10
1143.7
NO₂
2.4
O₃
126.0
SO₂
13.5
CO
147.0
- Outdoor exercise
- Everyone should avoid long or hard exercise outdoors; sensitive groups, all outdoor exertion
- Windows
- Keep them closed
- Mask
- Wear an N95 if you go out
- Air purifier
- Run one on high
Over the last 7 days, the CAMS air-quality model put Al Kharj's daily AQI at 152 on average, from 83 on Nov 4 to an hourly peak of 276 on Nov 10.
Where Al Kharj stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Al Kharj: Critically low
0.4% tree cover against a 45% healthy-neighborhood target, across 12.57 km².
Trees in this area
1,257
Target trees
141,372
More trees needed
140,115
CO₂ if planted / yr
3,083 t
Deforestation · 2001–2025
How much forest has Al Kharj lost?
There was almost no forest around Al Kharj 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 September 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 Al Kharj
Same 2 km radius, same index — so they compare directly.
- Riyadh85.7 km
Saudi Arabia
- Tree cover
- 2%
- Air quality
- 72
- Al Hufūf264.3 km
Saudi Arabia
- Tree cover
- 4%
- Air quality
- 161
- Az Zulfī347.9 km
Saudi Arabia
- Tree cover
- 2%
- Air quality
- 123
- Khobar373.3 km
Saudi Arabia
- Tree cover
- 2%
- Air quality
- 87
- Dammam376.4 km
Saudi Arabia
- Tree cover
- 1%
- Air quality
- 77
- Madīnat Ḩamad386.6 km
Bahrain
- Tree cover
- 3%
- Air quality
- 100
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Frequently asked
Questions about Al Kharj
What is the air quality (AQI) in Al Kharj right now?
The latest reading for Al Kharj shows an AQI of 255 (Very unhealthy), observed Nov 10, 16:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Health alert — everyone should avoid long outdoor exertion.
Is it safe to exercise outside in Al Kharj today?
At AQI 255 (Very unhealthy): everyone should avoid long or hard exercise outdoors; sensitive groups, all outdoor exertion. Windows: keep them closed. Masks: wear an N95 if you go out. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Al Kharj been like this week?
Over the last 7 days, the CAMS air-quality model put Al Kharj's daily AQI at 152 on average, from 83 on Nov 4 to an hourly peak of 276 on Nov 10. On 6 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Al Kharj lost since 2001?
There was almost no forest around Al Kharj 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 Al Kharj?
Al Kharj has an estimated 1,257 trees across the 12.57 km² measured — 0.4% tree cover, 45 percentage points short of the 45% tree-cover target set for this area.
How many more trees does Al Kharj need?
Al Kharj needs roughly 140,115 more trees to close a 45-point shortfall against its 45% tree-cover target — about 3,083 t of extra CO₂ absorbed per year once grown.
How are Al Kharj'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 An Nahdah; the tree count is an estimate derived from that cover.
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