Worst air pollution Pearl Harbor National Memorial - Honolulu, today and tomorrow
Today (15 July): Air quality in Pearl Harbor National Memorial is fair. O3 is fair; AQI, PM2.5, and PM10 are medium; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 PM (PM10: 57.1/100).
Tomorrow (16 July 2026): Air quality in Pearl Harbor National Memorial is fair. All pollutants stay as today. Pollution peaks around 12:00 AM (PM10: 54.9/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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As a harborside memorial site with tropical shoreline landscaping, Pearl Harbor National Memorial experiences air quality conditions similar to the rest of Honolulu, following the same broader regional pattern. Local traffic and immediate surroundings can shift day-to-day readings slightly from the citywide figure.
Today - 15 July | Pollution peaks at 21:00
AQI:
Medium
57.1/100
PM2.5 (fine particles):
Medium
44.1/100
PM10 (coarse particles):
Medium
57.1/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
23.3/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
1.3/100
PM1 (ultrafine particles):
Good
6.5/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 00:00
AQI:
Medium
54.9/100
PM2.5 (fine particles):
Medium
43.3/100
PM10 (coarse particles):
Medium
54.9/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
23.3/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
1.4/100
PM1 (ultrafine particles):
Good
6.0/100
Other Landmarks in Honolulu
Frequently Asked Questions
Is air quality bad in Pearl Harbor National Memorial right now?
On 15 July 2026, overall air quality in Pearl Harbor National Memorial is fair. O3 is the main pollutant at 23.3/100. Pollution peaks around 9:00 PM (PM10: 57.1/100).
Will air quality be worse tomorrow in Pearl Harbor National Memorial?
On 16 July 2026, air quality conditions in Pearl Harbor National Memorial will be similar to today, with O3 forecast at fair at 23.3/100. Pollution peaks around 12:00 AM (PM10: 54.9/100).
When is air pollution at its worst in Pearl Harbor National Memorial?
Seasonal changes shape air quality at Pearl Harbor National Memorial much as they do across Honolulu, as spring and autumn tend to bring the cleanest, most stable air; by contrast, summer heat waves are the main driver of poor air quality, as ozone builds under stagnant, humid conditions. Calm, cold winter spells can occasionally allow local pollution to build up before the next weather system clears it.
Are air quality levels in Pearl Harbor National Memorial based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app