Stay updated with real-time air quality in Waipahu, Hawaii featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
23
Good
Waipahu, Hawaii
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.36 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.91 μg/m³
0
55
155
255
425
605+
24.53 ppb
0
55
71
86
201
201+
0.37 ppb
0
36
76
186
605
1005+
0.76 ppb
0
54
101
361
1250
2050+
0.09 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Waipahu, Hawaii
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AQI 22
Good
3.54μg/m³
PM2.5
14.03μg/m³
PM10
15.93ppb
O3
1.24ppb
SO2
3.86ppb
NO2
0.30ppm
CO
AQI 16
Good
3.38μg/m³
PM2.5
12.91μg/m³
PM10
15.04ppb
O3
1.24ppb
SO2
3.86ppb
NO2
0.30ppm
CO
AQI 16
Good
3.23μg/m³
PM2.5
11.79μg/m³
PM10
15.03ppb
O3
1.24ppb
SO2
3.86ppb
NO2
0.30ppm
CO
AQI 16
Good
3.30μg/m³
PM2.5
12.40μg/m³
PM10
15.03ppb
O3
1.24ppb
SO2
3.86ppb
NO2
0.30ppm
CO
AQI 16
Good
3.02μg/m³
PM2.5
10.30μg/m³
PM10
15.02ppb
O3
1.24ppb
SO2
3.86ppb
NO2
0.30ppm
CO
AQI 22
Good
3.55μg/m³
PM2.5
14.14μg/m³
PM10
16.30ppb
O3
1.24ppb
SO2
3.86ppb
NO2
0.30ppm
CO
Air quality measurements for Hawaii, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Waipahu, Hawaii is updated on an hourly basis.
The worst air quality in Waipahu, Hawaii was recorded at 09:00:00 on 2025-11-03.
The best air quality in Waipahu, Hawaii was recorded at 03:00:00 on 2025-11-04.
The real-time air quality index in Waipahu, Hawaii is 16, currently categorized as Good.
The most common pollutant in Waipahu, Hawaii is PM2.5.
If the air quality in Waipahu, Hawaii is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Waipahu, Hawaii at present are 3.121 μg/m3.
The current PM10 levels in Waipahu, Hawaii are 11.476 μg/m3.
The current carbon monoxide (CO) level in Waipahu, Hawaii is 0.302 ppm.
The current sulfur dioxide (SO2) levels in Waipahu, Hawaii are 1.233 ppb.
The current ozone (O3) levels at Waipahu, Hawaii is 14.933 ppm.
The current nitrogen dioxide (NO2) levels at Waipahu, Hawaii is 4.263 ppb.
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