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)
38
Good
Union HillNovelty Hill, Washington
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
28.11 μg/m³
0
55
155
255
425
605+
25.41 ppb
0
55
71
86
201
201+
0.48 ppb
0
36
76
186
605
1005+
7.61 ppb
0
54
101
361
1250
2050+
0.18 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 54
Moderate
10.70μg/m³
PM2.5
41.92μg/m³
PM10
11.97ppb
O3
0.56ppb
SO2
6.05ppb
NO2
0.18ppm
CO
AQI 55
Moderate
8.36μg/m³
PM2.5
63.43μg/m³
PM10
12.12ppb
O3
0.60ppb
SO2
7.82ppb
NO2
0.18ppm
CO
AQI 49
Good
8.56μg/m³
PM2.5
44.36μg/m³
PM10
11.90ppb
O3
0.62ppb
SO2
10.20ppb
NO2
0.19ppm
CO
AQI 52
Moderate
10.40μg/m³
PM2.5
45.31μg/m³
PM10
10.88ppb
O3
0.57ppb
SO2
8.51ppb
NO2
0.18ppm
CO
AQI 38
Good
6.90μg/m³
PM2.5
25.86μg/m³
PM10
13.14ppb
O3
0.61ppb
SO2
14.51ppb
NO2
0.19ppm
CO
AQI 44
Good
8.41μg/m³
PM2.5
29.69μg/m³
PM10
12.06ppb
O3
0.64ppb
SO2
13.81ppb
NO2
0.20ppm
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 06:00:00 on 2026-08-07.
In the last 24 hrs, the best air quality in Union Hillnovelty Hill, Washington was observed at 06:00:00 on 2026-08-08.
The current air quality in Union Hillnovelty Hill, Washington is 54, categorized as Moderate based on real-time data.
The most common pollutant in Union Hillnovelty Hill, Washington is PM2.5.
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 10.702 μg/m3.
The current PM10 concentration at Union Hillnovelty Hill, Washington is 41.923 μg/m3.
The current carbon monoxide (CO) concentration at Union Hillnovelty Hill, Washington is 0.181 ppm.
The current sulfur dioxide (SO2) concentration at Union Hillnovelty Hill, Washington is 0.555 ppb.
The current ozone (O3) concentration at Union Hillnovelty Hill, Washington is 11.968 ppm.
The current nitrogen dioxide (NO2) concentration at Union Hillnovelty Hill, Washington is 6.049 ppb.
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