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)
19
Good
Gig Harbor, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.39 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.33 μg/m³
0
55
155
255
425
605+
21.23 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
3.49 ppb
0
54
101
361
1250
2050+
0.10 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 19
Good
2.39μg/m³
PM2.5
10.33μg/m³
PM10
21.23ppb
O3
0.26ppb
SO2
3.49ppb
NO2
0.10ppm
CO
AQI 18
Good
2.99μg/m³
PM2.5
12.77μg/m³
PM10
18.62ppb
O3
0.25ppb
SO2
3.12ppb
NO2
0.12ppm
CO
AQI 22
Good
3.83μg/m³
PM2.5
16.34μg/m³
PM10
18.73ppb
O3
0.25ppb
SO2
4.61ppb
NO2
0.12ppm
CO
AQI 18
Good
1.97μg/m³
PM2.5
10.11μg/m³
PM10
18.59ppb
O3
0.26ppb
SO2
3.85ppb
NO2
0.10ppm
CO
AQI 17
Good
2.71μg/m³
PM2.5
11.52μg/m³
PM10
18.49ppb
O3
0.25ppb
SO2
3.44ppb
NO2
0.13ppm
CO
AQI 17
Good
2.89μg/m³
PM2.5
12.13μg/m³
PM10
18.11ppb
O3
0.25ppb
SO2
3.88ppb
NO2
0.12ppm
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 08:00:00 on 2026-07-11.
The best air quality in Gig Harbor, Washington was recorded at 09:00:00 on 2026-07-11.
The real-time air quality index in Gig Harbor, Washington is 19, currently categorized as Good.
The most common pollutant in Gig Harbor, Washington is O3.
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 2.387 μg/m3.
The current PM10 levels in Gig Harbor, Washington are 10.328 μg/m3.
The current carbon monoxide (CO) level in Gig Harbor, Washington is 0.1 ppm.
The current sulfur dioxide (SO2) levels in Gig Harbor, Washington are 0.259 ppb.
The current ozone (O3) levels at Gig Harbor, Washington is 21.226 ppm.
The current nitrogen dioxide (NO2) levels at Gig Harbor, Washington is 3.494 ppb.
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