Worst air pollution Ala Moana - Honolulu, today and tomorrow
Today (15 July): Air quality in Ala Moana is poor. AQI and PM10 are poor; O3 is fair; PM2.5 is medium; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 PM (PM10: 64.0/100).
Tomorrow (16 July 2026): Air quality in Ala Moana is poor. All pollutants stay as today. Pollution peaks around 12:00 AM (PM10: 61.3/100). 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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Honolulu's Ala Moana air quality benefits from the Ala Moana Beach Park's direct Pacific Ocean and Mamala Bay coastal position, with consistent Pacific trade winds providing reliable maritime ventilation. Vehicle traffic on Ala Moana Boulevard and the concentrated shopping and commercial centre operations contribute local sources, while the outstanding Pacific coastal exposure and the beach park's open geometry generally maintain moderate to good conditions throughout most of the year.
Today - 15 July | Pollution peaks at 21:00
AQI:
Poor
64.0/100
PM2.5 (fine particles):
Medium
47.1/100
PM10 (coarse particles):
Poor
64.0/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Fair
23.3/100
SO2 (sulfur dioxide):
Good
0.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.3/100
PM1 (ultrafine particles):
Good
8.0/100
Levels show the poorest local air quality during the day
Tomorrow - 16 July | Pollution peaks at 00:00
AQI:
Poor
61.3/100
PM2.5 (fine particles):
Medium
46.2/100
PM10 (coarse particles):
Poor
61.3/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Fair
23.3/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.4/100
PM1 (ultrafine particles):
Good
7.5/100
Other Landmarks in Honolulu
Frequently Asked Questions
Is air quality bad in Ala Moana right now?
On 15 July 2026, overall air quality in Ala Moana is poor. AQI is the main air quality indicator at 64.0/100. Pollution peaks around 9:00 PM (PM10: 64.0/100).
Will air quality be worse tomorrow in Ala Moana?
On 16 July 2026, air quality conditions in Ala Moana will be similar to today, with AQI forecast at poor at 61.3/100. Pollution peaks around 12:00 AM (PM10: 61.3/100).
When is air pollution at its worst in Ala Moana?
Conditions at Ala Moana vary noticeably across the seasons. Typically, between summer ozone and occasional winter inversions, spring and fall are the year's cleanest stretch, while prolonged summer heat waves are when air quality most often dips into unhealthy territory. Lake-effect winds can help clear the air on many days near the Great Lakes shoreline.
Are air quality levels in Ala Moana 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