Stay updated with real-time air quality in Tacoma, 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)
49
Good
Tacoma, Washington
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.53 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.54 μg/m³
0
55
155
255
425
605+
5.12 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
19.66 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Tacoma, Washington
Tacoma, Washington
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AQI 52
Moderate
9.66μg/m³
PM2.5
42.87μg/m³
PM10
9.19ppb
O3
0.23ppb
SO2
16.26ppb
NO2
0.16ppm
CO
AQI 49
Good
9.20μg/m³
PM2.5
40.80μg/m³
PM10
8.79ppb
O3
0.24ppb
SO2
17.26ppb
NO2
0.15ppm
CO
AQI 49
Good
9.12μg/m³
PM2.5
40.32μg/m³
PM10
8.82ppb
O3
0.24ppb
SO2
17.17ppb
NO2
0.15ppm
CO
AQI 49
Good
9.05μg/m³
PM2.5
39.82μg/m³
PM10
8.94ppb
O3
0.24ppb
SO2
17.13ppb
NO2
0.16ppm
CO
AQI 52
Moderate
10.44μg/m³
PM2.5
46.44μg/m³
PM10
9.54ppb
O3
0.23ppb
SO2
14.33ppb
NO2
0.16ppm
CO
AQI 52
Moderate
10.44μg/m³
PM2.5
46.44μg/m³
PM10
9.54ppb
O3
0.23ppb
SO2
14.33ppb
NO2
0.16ppm
CO
Air quality data and pollutant measurements for Washington, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Tacoma, Washington is updated every hour.
The worst air quality in Tacoma, Washington in the last 24 hours was observed at 10:00:00 on 2025-09-10.
In the last 24 hrs, the best air quality in Tacoma, Washington was observed at 06:00:00 on 2025-09-09.
The current air quality in Tacoma, Washington is 49, categorized as Good based on real-time data.
The most common pollutant in Tacoma, Washington is PM2.5.
If the air quality in Tacoma, Washington is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Tacoma, Washington is 9.364 μg/m3.
The current PM10 concentration at Tacoma, Washington is 41.694 μg/m3.
The current carbon monoxide (CO) concentration at Tacoma, Washington is 0.156 ppm.
The current sulfur dioxide (SO2) concentration at Tacoma, Washington is 0.237 ppb.
The current ozone (O3) concentration at Tacoma, Washington is 8.728 ppm.
The current nitrogen dioxide (NO2) concentration at Tacoma, Washington is 18.066 ppb.
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