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
7.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.14 μg/m³
0
55
155
255
425
605+
56.39 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
1.25 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Grantsville, Utah
Grantsville, Utah
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AQI 67
Moderate
7.05μg/m³
PM2.5
31.29μg/m³
PM10
59.80ppb
O3
0.50ppb
SO2
1.24ppb
NO2
0.18ppm
CO
AQI 71
Moderate
7.09μg/m³
PM2.5
31.07μg/m³
PM10
60.52ppb
O3
0.49ppb
SO2
1.31ppb
NO2
0.18ppm
CO
AQI 67
Moderate
7.08μg/m³
PM2.5
30.20μg/m³
PM10
59.59ppb
O3
0.50ppb
SO2
1.70ppb
NO2
0.18ppm
CO
AQI 71
Moderate
6.61μg/m³
PM2.5
23.25μg/m³
PM10
61.00ppb
O3
0.48ppb
SO2
1.93ppb
NO2
0.16ppm
CO
AQI 74
Moderate
7.25μg/m³
PM2.5
30.94μg/m³
PM10
61.80ppb
O3
0.49ppb
SO2
2.82ppb
NO2
0.17ppm
CO
AQI 80
Moderate
6.65μg/m³
PM2.5
29.14μg/m³
PM10
63.51ppb
O3
0.50ppb
SO2
2.05ppb
NO2
0.18ppm
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 12:00:00 on 2026-07-23.
In the last 24 hrs, the best air quality in Grantsville, Utah was observed at 01:00:00 on 2026-07-23.
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 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 7.242 μg/m3.
The current PM10 concentration at Grantsville, Utah is 33.139 μg/m3.
The current carbon monoxide (CO) concentration at Grantsville, Utah is 0.185 ppm.
The current sulfur dioxide (SO2) concentration at Grantsville, Utah is 0.497 ppb.
The current ozone (O3) concentration at Grantsville, Utah is 56.386 ppm.
The current nitrogen dioxide (NO2) concentration at Grantsville, Utah is 1.25 ppb.
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