Stay updated with real-time air quality in Ewa Beach, 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)
21
Good
Ewa Beach, Hawaii
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.00 μg/m³
0
55
155
255
425
605+
23.45 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
1.18 ppb
0
54
101
361
1250
2050+
0.09 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ewa Beach, Hawaii
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AQI 15
Good
1.03μg/m³
PM2.5
4.55μg/m³
PM10
16.42ppb
O3
1.24ppb
SO2
2.70ppb
NO2
0.16ppm
CO
AQI 15
Good
1.03μg/m³
PM2.5
4.55μg/m³
PM10
16.42ppb
O3
1.24ppb
SO2
2.70ppb
NO2
0.16ppm
CO
AQI 16
Good
0.23μg/m³
PM2.5
1.15μg/m³
PM10
16.54ppb
O3
1.24ppb
SO2
2.70ppb
NO2
0.16ppm
CO
AQI 15
Good
1.42μg/m³
PM2.5
6.20μg/m³
PM10
16.36ppb
O3
1.24ppb
SO2
2.69ppb
NO2
0.16ppm
CO
AQI 16
Good
0.23μg/m³
PM2.5
1.15μg/m³
PM10
16.54ppb
O3
1.24ppb
SO2
2.70ppb
NO2
0.16ppm
CO
AQI 16
Good
0.82μg/m³
PM2.5
4.01μg/m³
PM10
17.28ppb
O3
1.24ppb
SO2
2.69ppb
NO2
0.16ppm
CO
Air quality and pollutant data for Hawaii, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Ewa Beach, Hawaii is updated every hour for accuracy.
In the past 24 hours, the air quality in Ewa Beach, Hawaii was at its worst at 10:00:00 on 2025-11-04.
In the last 24 hours, the best air quality in Ewa Beach, Hawaii was observed at 02:00:00 on 2025-11-05.
As of now, the AQI in Ewa Beach, Hawaii is 15, indicating Good conditions.
Ewa Beach, Hawaii air has the highest levels of O3.
Poor air quality in Ewa Beach, Hawaii means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Ewa Beach, Hawaii are currently 1.043 μg/m3.
The PM10 concentration in Ewa Beach, Hawaii is 4.803 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Ewa Beach, Hawaii is 0.16 ppm.
Currently, Ewa Beach, Hawaii has a sulfur dioxide (SO2) concentration of 1.236 ppb.
The current ozone (O3) level in Ewa Beach, Hawaii at the moment is 16.297 ppm.
Nitrogen dioxide (NO2) level in Ewa Beach, Hawaii at the moment is 2.597 ppb.
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