City report · Nauru
Yaren Air quality today
Air quality in Yaren currently reads AQI 14 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 14
Good
- PM2.5, fine particles (µg/m³)
- 2.6
- tree cover
- 51.6%
- trees in this area
- 69.2K
- more trees needed
- 0
Measured across a 2 km radius around Yaren, Nauru (12.57 km²), from a satellite image of Jul 27, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Yaren · AQI 14 (Good)
Yaren's tree count comes to 69,219 trees across 5.37 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Yaren today: AQI 14, Good
Main pollutant: PM2.5 · Observed Nov 11, 20:00 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
2.6
PM10
4.7
NO₂
0.0
O₃
17.0
SO₂
0.3
CO
96.0
- 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 Yaren's daily AQI at 21 on average, from 14 on Nov 10 to an hourly peak of 34 on Nov 5.
Where Yaren stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Yaren: Healthy tree cover
51.6% tree cover against a 30% healthy-neighborhood target, across 5.37 km² of land.
Trees in this area
69,219
Target trees
69,219
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Yaren lost?
There was almost no forest around Yaren 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 May 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 Yaren
Same 2 km radius, same index — so they compare directly.
- Tarawa704.6 km
Kiribati
- Tree cover
- 22%
- Air quality
- 14
- Majuro982.9 km
Marshall Islands
- Tree cover
- 11%
- Air quality
- 53
- Honiara1253.5 km
Solomon Islands
- Tree cover
- 57%
- Air quality
- 31
- Palikir1279.2 km
Micronesia
- Tree cover
- 99%
- Air quality
- 13
- Arawa1409.7 km
Papua New Guinea
- Tree cover
- 77%
- Air quality
- 6
- Funafuti1622.5 km
Tuvalu
- Tree cover
- 49%
- Air quality
- 26
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Frequently asked
Questions about Yaren
What is the air quality (AQI) in Yaren right now?
The latest reading for Yaren shows an AQI of 14 (Good), observed Nov 11, 20:00 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 Yaren today?
At AQI 14 (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 Yaren been like this week?
Over the last 7 days, the CAMS air-quality model put Yaren's daily AQI at 21 on average, from 14 on Nov 10 to an hourly peak of 34 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 Yaren lost since 2001?
There was almost no forest around Yaren 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 Yaren?
Yaren has an estimated 69,219 trees across the 5.37 km² of land measured — 51.6% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Yaren need?
Yaren has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Yaren'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 Yaren; the tree count is an estimate derived from that cover.
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