Saipan
1.2 mi (2 km) around Capitol Hill
Air quality now
AQI 41
79.3%
tree cover
Healthy tree cover
Oceania · air quality report · 1 city
Northern Mariana Islands air quality today The AQI right now, city by city
Airleaf measures 1 city in the Northern Mariana Islands. Saipan reads AQI 41 right now.
- cities measured
- 1
- national forest cover
- 53.3%
Updated . Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf.
Northern Mariana Islands
Air quality in Saipan right now
Good
Northern Mariana Islands as a whole
53.3% of the Northern Mariana Islands was forested as of 2024, against a 30% benchmark. That already clears the benchmark — the city reports above show where cover is still thin locally. Source: World Bank (FAO).
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Compare Northern Mariana Islands with another country
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Northern Mariana Islands
Clean-air buying guides
Cleaner air at home in the Northern Mariana Islands
Picked by tested clean-air delivery rate (CADR), noise and running cost, from independent test labels. No brand pays to be listed.
- The best air purifiers for wildfire smoke and smog
Air purifiers that keep up with wildfire smoke and winter smog, ranked by verified smoke CADR, with the room each one clears on a smoky day.
- The best air purifiers under $200
Good HEPA air purifiers under $200 at the makers' own prices, compared on verified clean air, room size and what the filters cost each year.
- NIOSH-approved N95 masks for smoke and smog
NIOSH-approved N95 masks and P100 respirators for smog and smoke, and how to get the fit right. Cloth and surgical masks do little against PM2.5.
Frequently asked
Air quality in the Northern Mariana Islands: your questions answered
What is the air quality in the Northern Mariana Islands today?
Airleaf measures 1 city in the Northern Mariana Islands. Saipan reads AQI 41 right now.
How does Airleaf measure air quality in the Northern Mariana Islands?
Each city's reading is the US EPA air quality index, from ground monitoring stations where one has reported recently nearby, and from the CAMS atmospheric model elsewhere; each city's report says which. Tree cover is measured over the same 1.2 mi (2 km) radius in every city, so the cities compare like for like.
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