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)
17
Good
Union HillNovelty Hill, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.31 μg/m³
0
55
155
255
425
605+
17.76 ppb
0
55
71
86
201
201+
0.19 ppb
0
36
76
186
605
1005+
8.00 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Union HillNovelty Hill, Washington
Union HillNovelty Hill, Washington
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AQI 17
Good
3.49μg/m³
PM2.5
13.31μg/m³
PM10
17.76ppb
O3
0.19ppb
SO2
8.00ppb
NO2
0.17ppm
CO
AQI 22
Good
3.30μg/m³
PM2.5
23.89μg/m³
PM10
17.85ppb
O3
0.19ppb
SO2
11.96ppb
NO2
0.18ppm
CO
AQI 27
Good
4.64μg/m³
PM2.5
19.52μg/m³
PM10
12.77ppb
O3
0.19ppb
SO2
9.02ppb
NO2
0.19ppm
CO
AQI 22
Good
4.13μg/m³
PM2.5
17.49μg/m³
PM10
16.34ppb
O3
0.23ppb
SO2
8.78ppb
NO2
0.18ppm
CO
AQI 44
Good
8.13μg/m³
PM2.5
31.21μg/m³
PM10
12.67ppb
O3
0.19ppb
SO2
10.77ppb
NO2
0.19ppm
CO
AQI 38
Good
6.54μg/m³
PM2.5
24.39μg/m³
PM10
12.97ppb
O3
0.19ppb
SO2
11.48ppb
NO2
0.19ppm
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 07:00:00 on 2025-12-12.
In the last 24 hrs, the best air quality in Union Hillnovelty Hill, Washington was observed at 02:00:00 on 2025-12-12.
The current air quality in Union Hillnovelty Hill, Washington is 17, 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 3.491 μg/m3.
The current PM10 concentration at Union Hillnovelty Hill, Washington is 13.314 μg/m3.
The current carbon monoxide (CO) concentration at Union Hillnovelty Hill, Washington is 0.175 ppm.
The current sulfur dioxide (SO2) concentration at Union Hillnovelty Hill, Washington is 0.188 ppb.
The current ozone (O3) concentration at Union Hillnovelty Hill, Washington is 17.756 ppm.
The current nitrogen dioxide (NO2) concentration at Union Hillnovelty Hill, Washington is 8.003 ppb.
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