City report · Northern Mariana Islands
Saipan Air quality today
Air quality in Saipan currently reads AQI 26 (Good): Air quality is satisfactory for everyone.
AQI 26
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 4.6
- tree cover
- 79.3%
- trees in this area
- 249K
- more trees needed
- 0
Measured across a 1.2 mi (2 km) radius around Capitol Hill, Saipan 96950, CNMI (4.9 sq mi), from a satellite image of May 16, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Saipan · AQI 26 (Good)
Saipan's tree count comes to 249,128 trees across 4.9 sq mi (12.57 km²), already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Saipan today: AQI 26, Good
Main pollutant: PM2.5 · Observed Nov 12, 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
4.6
PM10
8.0
NO₂
0.1
O₃
36.0
SO₂
0.3
CO
105.0
- 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 Saipan's daily AQI at 30 on average, from 22 on Nov 12 to an hourly peak of 45 on Nov 6.
Where Saipan stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Saipan: Healthy tree cover
79.3% tree cover against a 30% healthy-neighborhood target, across 4.9 sq mi (12.57 km²).
Trees in this area
249,128
Target trees
249,128
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Saipan lost?
There was almost no forest around Saipan 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.
The forest-loss maps don't cover this area.
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
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Frequently asked
Questions about Saipan
What is the air quality (AQI) in Saipan right now?
The latest reading for Saipan shows an AQI of 26 (Good), observed Nov 12, 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 Saipan today?
At AQI 26 (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 Saipan been like this week?
Over the last 7 days, the CAMS air-quality model put Saipan's daily AQI at 30 on average, from 22 on Nov 12 to an hourly peak of 45 on Nov 6. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Saipan lost since 2001?
There was almost no forest around Saipan 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 Saipan?
Saipan has an estimated 249,128 trees across the 4.9 sq mi (12.57 km²) measured — 79.3% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Saipan need?
Saipan has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Saipan'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 1.2 mi (2 km) radius around Capitol Hill; the tree count is an estimate derived from that cover.
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