Stay updated with real-time air quality in Grantsville, Utah 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)
42
Good
Grantsville, Utah
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.55 μg/m³
0
55
155
255
425
605+
44.59 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
3.23 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Grantsville, Utah
Grantsville, Utah
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AQI 36
Good
4.28μg/m³
PM2.5
18.88μg/m³
PM10
39.29ppb
O3
0.17ppb
SO2
4.21ppb
NO2
0.15ppm
CO
AQI 38
Good
4.10μg/m³
PM2.5
18.05μg/m³
PM10
40.89ppb
O3
0.16ppb
SO2
4.20ppb
NO2
0.15ppm
CO
AQI 35
Good
4.32μg/m³
PM2.5
19.09μg/m³
PM10
37.57ppb
O3
0.32ppb
SO2
7.37ppb
NO2
0.17ppm
CO
AQI 36
Good
4.47μg/m³
PM2.5
19.41μg/m³
PM10
38.76ppb
O3
0.33ppb
SO2
7.54ppb
NO2
0.18ppm
CO
AQI 33
Good
5.31μg/m³
PM2.5
22.75μg/m³
PM10
36.01ppb
O3
0.34ppb
SO2
7.56ppb
NO2
0.17ppm
CO
AQI 32
Good
5.13μg/m³
PM2.5
21.99μg/m³
PM10
34.67ppb
O3
0.36ppb
SO2
8.06ppb
NO2
0.17ppm
CO
Air quality data and pollutant measurements for Utah, 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 Grantsville, Utah is updated every hour.
The worst air quality in Grantsville, Utah in the last 24 hours was observed at 04:00:00 on 2026-04-23.
In the last 24 hrs, the best air quality in Grantsville, Utah was observed at 11:00:00 on 2026-04-23.
The current air quality in Grantsville, Utah is 42, categorized as Good based on real-time data.
The most common pollutant in Grantsville, Utah is O3.
If the air quality in Grantsville, Utah is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Grantsville, Utah is 4.491 μg/m3.
The current PM10 concentration at Grantsville, Utah is 24.553 μg/m3.
The current carbon monoxide (CO) concentration at Grantsville, Utah is 0.267 ppm.
The current sulfur dioxide (SO2) concentration at Grantsville, Utah is 0.51 ppb.
The current ozone (O3) concentration at Grantsville, Utah is 44.592 ppm.
The current nitrogen dioxide (NO2) concentration at Grantsville, Utah is 3.23 ppb.
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