Ala Moana, Hawaii Air Quality
The nearest monitor to Ala Moana, at Honolulu, 1 mile away, measured an index of 26 at Sun, 3:00 AM HST, which is Good for fine particles (PM2.5). Hawaii State Dept. of Health forecasts Good for Honolulu today.
- Measured now
- 26 · Good
- Today
- — · Good
- Tomorrow
- Not forecast
- Pollutant
- PM2.5
Radar
Reflectivity now over Ala Moana, Hawaii. Open it to see the particulate forecast on the map.
Radar mosaic and map layers from NOAA MRMS and NOAA National Air Quality Forecast Capability. Boundaries from the Iowa Environmental Mesonet.
Alerts in force
An Air Quality Alert is issued by the National Weather Service on behalf of a state or local agency when pollution is expected to reach a level that harms health. An Air Stagnation Advisory means the air will not move enough to clear what is already in it.
None are in force near Ala Moana right now. All Hawaii warnings.
Now
Good
- Nearest monitor
- Honolulu, 1 mile away (site 150031001)
- Index measured
- 26 · Good
- Measured at
- Sun, 3:00 AM HST
- Fine particles
- 4.9 µg/m³
- Reporting area
- Honolulu, HI, 1 mile away
- Reported by
- Hawaii State Dept. of Health
- Area index
- 26 · Good
Measured, not modeled. AirNow observations are preliminary until the operating agency certifies them, which happens months later.
Today and tomorrow
Hawaii State Dept. of Health's own forecast for Honolulu, written by a forecaster rather than read off a model.
| Day | Category | Index | Pollutant |
|---|---|---|---|
| Today | Good | Ozone |
Hour by hour
NOAA’s air quality model could not be read for this point just now. It runs twice a day and covers the lower 48, Alaska and Hawaii.
Smoke
NOAA’s analysts have not drawn smoke over Ala Moana in satellite imagery today.
NOAA’s model forecasts no measurable smoke near the ground here over the next two days.
What this means
Good
Air quality is satisfactory, and air pollution poses little or no risk.
- Who is affected
- Nobody is expected to be affected.
- What to do
- It is a good day to be outside.
- Index range
- 0 to 50
Category descriptions are the Environmental Protection Agency’s own.
What these numbers are. An index beside a monitor’s name is a measurement, published hourly by AirNow and preliminary until the operating agency certifies it. A category for today or tomorrow is a state or local agency forecaster’s own forecast for a reporting area. An hourly index is NOAA’s air quality model on a five-kilometer grid, not a reading from any instrument. Where a town has no monitor within reach, only the model figures appear, and the page says so.
Nearby
The nearest towns with a page of their own, closest first.
Weather forecast for Ala MoanaWarnings in Honolulu CountyLive radar over Ala MoanaHawaii air quality
Sources
Observations and daily forecasts from AirNow, the US Environmental Protection Agency’s program with NOAA, the National Park Service, NASA, tribal, state and local agencies. Hourly forecasts from NOAA’s National Air Quality Forecast Capability. Smoke analysis from NOAA’s Hazard Mapping System. Alerts from the National Weather Service. Index categories and breakpoints are EPA’s, as revised in 2024.