Stay updated with real-time air quality in Gig Harbor, Washington 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)
27
Good
Gig Harbor, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.10 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.76 μg/m³
0
55
155
255
425
605+
3.83 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
7.21 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Gig Harbor, Washington
Gig Harbor, Washington
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AQI 27
Good
5.32μg/m³
PM2.5
25.85μg/m³
PM10
3.66ppb
O3
0.45ppb
SO2
11.85ppb
NO2
0.35ppm
CO
AQI 49
Good
9.33μg/m³
PM2.5
41.49μg/m³
PM10
3.54ppb
O3
0.44ppb
SO2
16.80ppb
NO2
0.36ppm
CO
AQI 49
Good
8.71μg/m³
PM2.5
38.64μg/m³
PM10
3.52ppb
O3
0.44ppb
SO2
17.27ppb
NO2
0.36ppm
CO
AQI 54
Moderate
10.58μg/m³
PM2.5
30.43μg/m³
PM10
3.94ppb
O3
0.50ppb
SO2
17.37ppb
NO2
0.38ppm
CO
AQI 52
Moderate
10.13μg/m³
PM2.5
45.32μg/m³
PM10
3.61ppb
O3
0.44ppb
SO2
16.86ppb
NO2
0.36ppm
CO
AQI 52
Moderate
10.25μg/m³
PM2.5
45.84μg/m³
PM10
3.81ppb
O3
0.44ppb
SO2
16.57ppb
NO2
0.36ppm
CO
Air quality measurements for Washington, 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 Gig Harbor, Washington is updated on an hourly basis.
The worst air quality in Gig Harbor, Washington was recorded at 06:00:00 on 2026-10-07.
The best air quality in Gig Harbor, Washington was recorded at 01:00:00 on 2026-10-07.
The real-time air quality index in Gig Harbor, Washington is 27, currently categorized as Good.
The most common pollutant in Gig Harbor, Washington is PM2.5.
If the air quality in Gig Harbor, Washington is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Gig Harbor, Washington at present are 5.32 μg/m3.
The current PM10 levels in Gig Harbor, Washington are 25.848 μg/m3.
The current carbon monoxide (CO) level in Gig Harbor, Washington is 0.354 ppm.
The current sulfur dioxide (SO2) levels in Gig Harbor, Washington are 0.454 ppb.
The current ozone (O3) levels at Gig Harbor, Washington is 3.66 ppm.
The current nitrogen dioxide (NO2) levels at Gig Harbor, Washington is 11.853 ppb.
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