Stay updated with real-time air quality in Lacey, 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)
38
Good
Lacey, Washington
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
7.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.60 μg/m³
0
55
155
255
425
605+
18.32 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
6.21 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lacey, Washington
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AQI 33
Good
5.82μg/m³
PM2.5
25.74μg/m³
PM10
17.47ppb
O3
0.72ppb
SO2
6.57ppb
NO2
0.19ppm
CO
AQI 33
Good
5.79μg/m³
PM2.5
25.62μg/m³
PM10
17.50ppb
O3
0.71ppb
SO2
6.57ppb
NO2
0.19ppm
CO
AQI 22
Good
4.49μg/m³
PM2.5
18.22μg/m³
PM10
17.05ppb
O3
0.67ppb
SO2
6.04ppb
NO2
0.20ppm
CO
AQI 22
Good
3.82μg/m³
PM2.5
17.11μg/m³
PM10
21.28ppb
O3
0.70ppb
SO2
6.45ppb
NO2
0.20ppm
CO
AQI 27
Good
4.75μg/m³
PM2.5
20.77μg/m³
PM10
28.24ppb
O3
0.38ppb
SO2
9.13ppb
NO2
0.20ppm
CO
AQI 23
Good
2.90μg/m³
PM2.5
12.00μg/m³
PM10
25.23ppb
O3
0.82ppb
SO2
5.27ppb
NO2
0.18ppm
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 Lacey, Washington is updated every hour.
The worst air quality in Lacey, Washington in the last 24 hours was observed at 05:00:00 on 2025-06-06.
In the last 24 hrs, the best air quality in Lacey, Washington was observed at 03:00:00 on 2025-06-06.
The current air quality in Lacey, Washington is 38, categorized as Good based on real-time data.
The most common pollutant in Lacey, Washington is PM2.5.
If the air quality in Lacey, Washington is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Lacey, Washington is 7.312 μg/m3.
The current PM10 concentration at Lacey, Washington is 32.6 μg/m3.
The current carbon monoxide (CO) concentration at Lacey, Washington is 0.168 ppm.
The current sulfur dioxide (SO2) concentration at Lacey, Washington is 0.554 ppb.
The current ozone (O3) concentration at Lacey, Washington is 18.315 ppm.
The current nitrogen dioxide (NO2) concentration at Lacey, Washington is 6.213 ppb.
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