Air quality in Honolulu today
United States · Updated Thursday 19:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service
Fair European AQI
Fine for almost everyone.
Pollutants right now
| Pollutant | Value | Level |
|---|---|---|
| PM2.5 | 10 µg/m³ | Fair |
| PM10 | 17 µg/m³ | Good |
| NO₂ | 1 µg/m³ | Good |
| O₃ | 50 µg/m³ | Good |
The pollutant that matters most in Honolulu right now is PM2.5.
Forecast: next 24 hours
The air in Honolulu should stay good to fair for the next 24 hours. The cleanest hour is expected around Fri 19:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Thu 20:00 | 30 | Fair | 10 |
| Thu 23:00 | 25 | Fair | 8 |
| Fri 02:00 | 25 | Fair | 7 |
| Fri 05:00 | 27 | Fair | 9 |
| Fri 08:00 | 29 | Fair | 9 |
| Fri 11:00 | 35 | Fair | 13 |
| Fri 14:00 | 37 | Fair | 14 |
| Fri 17:00 | 34 | Fair | 12 |
The last 30 days
Over the last 30 days the average daily AQI in Honolulu was 24, with 0 day(s) rated poor or worse. The cleanest day was 7 Sept, the most polluted 1 Sept.
Questions and answers
- Is the air in Honolulu good today?
- Right now the European Air Quality Index in Honolulu is 30, which is fair. Fine for almost everyone.
- What pollutes the air in Honolulu?
- At the moment PM2.5 contributes most to the air quality index in Honolulu. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Honolulu be cleanest?
- The air in Honolulu should stay good to fair for the next 24 hours. The cleanest hour is expected around Fri 19:00.
- Where does this data come from?
- Wheezair shows model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), served by Open-Meteo: about 11 km resolution in Europe and 40 km elsewhere, updated daily. They are not station measurements, so a busy street can be worse than its city's value.