Stay updated with real-time air quality in Union HillNovelty Hill, 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)
24
Good
Union HillNovelty Hill, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.95 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.35 μg/m³
0
55
155
255
425
605+
25.98 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
2.58 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Union HillNovelty Hill, Washington
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AQI 24
Good
1.95μg/m³
PM2.5
7.35μg/m³
PM10
25.98ppb
O3
0.28ppb
SO2
2.58ppb
NO2
0.22ppm
CO
AQI 24
Good
1.26μg/m³
PM2.5
5.11μg/m³
PM10
26.33ppb
O3
0.30ppb
SO2
2.62ppb
NO2
0.23ppm
CO
AQI 24
Good
1.10μg/m³
PM2.5
4.46μg/m³
PM10
26.20ppb
O3
0.30ppb
SO2
5.75ppb
NO2
0.23ppm
CO
AQI 26
Good
2.13μg/m³
PM2.5
8.60μg/m³
PM10
28.25ppb
O3
0.29ppb
SO2
4.26ppb
NO2
0.22ppm
CO
AQI 25
Good
1.50μg/m³
PM2.5
6.25μg/m³
PM10
27.29ppb
O3
0.31ppb
SO2
7.04ppb
NO2
0.23ppm
CO
AQI 25
Good
1.60μg/m³
PM2.5
6.12μg/m³
PM10
27.08ppb
O3
0.31ppb
SO2
8.20ppb
NO2
0.24ppm
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 Union Hillnovelty Hill, Washington is updated every hour.
The worst air quality in Union Hillnovelty Hill, Washington in the last 24 hours was observed at 03:00:00 on 2026-03-05.
In the last 24 hrs, the best air quality in Union Hillnovelty Hill, Washington was observed at 07:00:00 on 2026-03-05.
The current air quality in Union Hillnovelty Hill, Washington is 24, categorized as Good based on real-time data.
The most common pollutant in Union Hillnovelty Hill, Washington is O3.
If the air quality in Union Hillnovelty Hill, Washington is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Union Hillnovelty Hill, Washington is 1.952 μg/m3.
The current PM10 concentration at Union Hillnovelty Hill, Washington is 7.354 μg/m3.
The current carbon monoxide (CO) concentration at Union Hillnovelty Hill, Washington is 0.221 ppm.
The current sulfur dioxide (SO2) concentration at Union Hillnovelty Hill, Washington is 0.284 ppb.
The current ozone (O3) concentration at Union Hillnovelty Hill, Washington is 25.98 ppm.
The current nitrogen dioxide (NO2) concentration at Union Hillnovelty Hill, Washington is 2.584 ppb.
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