Stay updated with real-time air quality in Cedar City, 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)
21
Good
Cedar City, Utah
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.40 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.01 μg/m³
0
55
155
255
425
605+
23.05 ppb
0
55
71
86
201
201+
0.45 ppb
0
36
76
186
605
1005+
2.07 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Cedar City, Utah
Cedar City, Utah
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AQI 21
Good
2.11μg/m³
PM2.5
9.04μg/m³
PM10
23.04ppb
O3
0.42ppb
SO2
0.81ppb
NO2
0.15ppm
CO
AQI 21
Good
2.80μg/m³
PM2.5
16.66μg/m³
PM10
22.66ppb
O3
0.31ppb
SO2
1.43ppb
NO2
0.18ppm
CO
AQI 29
Good
2.97μg/m³
PM2.5
17.32μg/m³
PM10
31.31ppb
O3
0.39ppb
SO2
1.72ppb
NO2
0.15ppm
CO
AQI 22
Good
2.97μg/m³
PM2.5
17.29μg/m³
PM10
24.07ppb
O3
0.30ppb
SO2
1.58ppb
NO2
0.18ppm
CO
AQI 19
Good
3.50μg/m³
PM2.5
11.01μg/m³
PM10
21.02ppb
O3
0.20ppb
SO2
2.12ppb
NO2
0.23ppm
CO
AQI 32
Good
4.33μg/m³
PM2.5
25.43μg/m³
PM10
34.71ppb
O3
0.20ppb
SO2
3.57ppb
NO2
0.20ppm
CO
The air quality data for Utah, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Cedar City, Utah are available every hour.
Cedar City, Utah experienced its worst air quality at 03:00:00, 2026-10-22.
The best air quality in Cedar City, Utah was observed at 01:00:00 on 2026-10-22.
The air quality in Cedar City, Utah right now is Good, with an AQI of 21.
In Cedar City, Utah, O3 is the most frequently found pollutant.
When air quality in Cedar City, Utah is compromised, staying indoors and wearing a mask can reduce health risks.
Cedar City, Utah currently has a PM2.5 concentration of 2.4 μg/m3.
Cedar City, Utah currently has a PM10 concentration of 10.008 μg/m3.
The current carbon monoxide (CO) level in Cedar City, Utah is 0.143 ppm.
The current sulfur dioxide (SO2) concentration in Cedar City, Utah is 0.445 ppb.
Cedar City, Utah currently has an ozone (O3) concentration of 23.045 ppm.
The current level of nitrogen dioxide (NO2) in Cedar City, Utah is 2.068 ppb.
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