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)
54
Moderate
Grantsville, Utah
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
44.02 μg/m³
0
55
155
255
425
605+
15.50 ppb
0
55
71
86
201
201+
1.26 ppb
0
36
76
186
605
1005+
15.78 ppb
0
54
101
361
1250
2050+
0.66 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Grantsville, Utah
Grantsville, Utah
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AQI 60
Moderate
14.00μg/m³
PM2.5
61.01μg/m³
PM10
12.20ppb
O3
1.33ppb
SO2
19.84ppb
NO2
0.68ppm
CO
AQI 60
Moderate
14.28μg/m³
PM2.5
61.16μg/m³
PM10
11.89ppb
O3
1.33ppb
SO2
19.94ppb
NO2
0.67ppm
CO
AQI 67
Moderate
17.81μg/m³
PM2.5
56.00μg/m³
PM10
8.57ppb
O3
1.49ppb
SO2
33.59ppb
NO2
0.67ppm
CO
AQI 62
Moderate
15.18μg/m³
PM2.5
45.46μg/m³
PM10
6.96ppb
O3
1.51ppb
SO2
27.43ppb
NO2
0.71ppm
CO
AQI 69
Moderate
19.25μg/m³
PM2.5
78.24μg/m³
PM10
6.33ppb
O3
1.40ppb
SO2
34.06ppb
NO2
0.68ppm
CO
AQI 67
Moderate
18.41μg/m³
PM2.5
79.29μg/m³
PM10
7.03ppb
O3
1.31ppb
SO2
31.26ppb
NO2
0.64ppm
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 03:00:00 on 2026-01-23.
In the last 24 hrs, the best air quality in Grantsville, Utah was observed at 02:00:00 on 2026-01-22.
The current air quality in Grantsville, Utah is 54, categorized as Moderate based on real-time data.
The most common pollutant in Grantsville, Utah is PM2.5.
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 11.173 μg/m3.
The current PM10 concentration at Grantsville, Utah is 44.022 μg/m3.
The current carbon monoxide (CO) concentration at Grantsville, Utah is 0.659 ppm.
The current sulfur dioxide (SO2) concentration at Grantsville, Utah is 1.256 ppb.
The current ozone (O3) concentration at Grantsville, Utah is 15.502 ppm.
The current nitrogen dioxide (NO2) concentration at Grantsville, Utah is 15.775 ppb.
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