Stay updated with real-time air quality in Spokane, 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)
44
Good
Spokane, Washington
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.02 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.71 μg/m³
0
55
155
255
425
605+
18.86 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
14.82 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Spokane, Washington
Spokane, Washington
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AQI 54
Moderate
10.80μg/m³
PM2.5
47.99μg/m³
PM10
20.39ppb
O3
1.38ppb
SO2
2.33ppb
NO2
0.27ppm
CO
AQI 56
Moderate
11.52μg/m³
PM2.5
27.80μg/m³
PM10
21.33ppb
O3
1.39ppb
SO2
2.33ppb
NO2
0.27ppm
CO
AQI 44
Good
8.16μg/m³
PM2.5
31.58μg/m³
PM10
22.28ppb
O3
1.37ppb
SO2
2.33ppb
NO2
0.24ppm
CO
AQI 56
Moderate
12.18μg/m³
PM2.5
51.89μg/m³
PM10
25.17ppb
O3
1.38ppb
SO2
2.35ppb
NO2
0.27ppm
CO
AQI 54
Moderate
11.16μg/m³
PM2.5
35.50μg/m³
PM10
25.10ppb
O3
1.38ppb
SO2
2.36ppb
NO2
0.28ppm
CO
AQI 54
Moderate
10.99μg/m³
PM2.5
35.48μg/m³
PM10
21.62ppb
O3
1.39ppb
SO2
2.36ppb
NO2
0.28ppm
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 Spokane, Washington is updated every hour.
The worst air quality in Spokane, Washington in the last 24 hours was observed at 03:00:00 on 2025-10-22.
In the last 24 hrs, the best air quality in Spokane, Washington was observed at 02:00:00 on 2025-10-22.
The current air quality in Spokane, Washington is 44, categorized as Good based on real-time data.
The most common pollutant in Spokane, Washington is PM2.5.
If the air quality in Spokane, Washington is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Spokane, Washington is 8.04 μg/m3.
The current PM10 concentration at Spokane, Washington is 34.838 μg/m3.
The current carbon monoxide (CO) concentration at Spokane, Washington is 0.271 ppm.
The current sulfur dioxide (SO2) concentration at Spokane, Washington is 1.387 ppb.
The current ozone (O3) concentration at Spokane, Washington is 20.558 ppm.
The current nitrogen dioxide (NO2) concentration at Spokane, Washington is 2.319 ppb.
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