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)
27
Good
Grantsville, Utah
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.40 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
3.47 μg/m³
0
55
155
255
425
605+
29.18 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
8.90 ppb
0
54
101
361
1250
2050+
0.48 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Grantsville, Utah
Grantsville, Utah
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AQI 22
Good
1.53μg/m³
PM2.5
6.28μg/m³
PM10
24.12ppb
O3
0.70ppb
SO2
4.86ppb
NO2
0.58ppm
CO
AQI 22
Good
1.37μg/m³
PM2.5
6.11μg/m³
PM10
24.43ppb
O3
0.68ppb
SO2
4.21ppb
NO2
0.56ppm
CO
AQI 38
Good
7.03μg/m³
PM2.5
29.26μg/m³
PM10
9.37ppb
O3
0.80ppb
SO2
21.86ppb
NO2
0.63ppm
CO
AQI 23
Good
1.07μg/m³
PM2.5
5.04μg/m³
PM10
25.25ppb
O3
0.64ppb
SO2
5.20ppb
NO2
0.55ppm
CO
AQI 52
Moderate
9.71μg/m³
PM2.5
39.08μg/m³
PM10
2.63ppb
O3
0.65ppb
SO2
28.26ppb
NO2
0.61ppm
CO
AQI 52
Moderate
10.11μg/m³
PM2.5
43.83μg/m³
PM10
2.03ppb
O3
0.75ppb
SO2
28.88ppb
NO2
0.61ppm
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 2025-12-07.
In the last 24 hrs, the best air quality in Grantsville, Utah was observed at 08:00:00 on 2025-12-07.
The current air quality in Grantsville, Utah is 27, 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 1.402 μg/m3.
The current PM10 concentration at Grantsville, Utah is 3.473 μg/m3.
The current carbon monoxide (CO) concentration at Grantsville, Utah is 0.484 ppm.
The current sulfur dioxide (SO2) concentration at Grantsville, Utah is 0.706 ppb.
The current ozone (O3) concentration at Grantsville, Utah is 29.175 ppm.
The current nitrogen dioxide (NO2) concentration at Grantsville, Utah is 8.9 ppb.
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