Air Quality in Diamond Head / Kapahulu / Saint Louis Heights, United States

Windy
25.8°C · 66.7% humidity
25.8°
Feels 25.8°
11
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
25 5am
25
25
11 8am
17
20
22 11am
23
24
25 2pm
26
26
26 5pm
27
25
25 8pm
25
27
27 11pm
27
27
27 2am
25
27
AD 728×90

Air Quality Index Trend

43h · 2 stn

Diamond Head / Kapahulu / Saint Louis Heights's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

66.7%
Humidity
90.5 km/h
Wind NE
1015.7 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
11
2.61 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Diamond Head / Kapahulu / Saint Louis Heights?

Temperature & Precipitation

PM2.5 Trend

43h · 2 stations
PM2.52.61 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (3 stations within 25 km)
2.61
Median
2.57
Average
2.4
Low
2.9
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +3.4

What is the 7-day forecast for Diamond Head / Kapahulu / Saint Louis Heights?

09-05
26.8° 25.5°
0.13 mm
09-06
26.0° 25.5°
0.25 mm
09-07
26.4° 25.5°
24.56 mm
09-08
27.1° 24.7°
1.12 mm
09-09
26.9° 25.0°
0.5 mm
09-10
27.6° 24.6°
3.62 mm
09-11
26.9° 25.0°
7.81 mm
Both models agree Avg diff: 0.8°C

Where are air quality stations near Diamond Head / Kapahulu / Saint Louis Heights?

12
Honolulu, Hawaii, USA
5.7 km PM2.5: 2.9 µg/m³
16
Honolulu, Hawaii, USA
5.7 km PM2.5: 3.8 µg/m³
22
Sand Island, Hawaii, USA
6.9 km PM2.5: 5.3 µg/m³
10
Sand Island, Hawaii, USA
6.9 km PM2.5: 2.4 µg/m³
13
Sand Island, Hawaii, USA
6.9 km PM2.5: 3.1 µg/m³
10
Sand Island, Hawaii, USA
6.9 km PM2.5: 2.4 µg/m³
15
Sand Island, Hawaii, USA
6.9 km PM2.5: 3.6 µg/m³

What cities are near Diamond Head / Kapahulu / Saint Louis Heights?

11 Kaimukī 11 Waikīkī 11 Mō‘ili‘ili 11 McCully - Moiliili 11 Manoa 11 Makiki / Lower Punchbowl / Tantalus 11 Ala Moana - Kakaʻako 12 Honolulu 11 Kuliouou - Kalani Iki 11 Nuuanu - Punchbowl
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T18:50 UTC.