Stay updated with real-time air quality in Mason City, Iowa 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)
24
Good
Mason City, Iowa
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.56 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.32 μg/m³
0
55
155
255
425
605+
25.66 ppb
0
55
71
86
201
201+
0.04 ppb
0
36
76
186
605
1005+
0.50 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Mason City, Iowa
Mason City, Iowa
Scroll To Air Quality MapLoading...
AQI 33
Good
6.08μg/m³
PM2.5
27.00μg/m³
PM10
23.24ppb
O3
0.09ppb
SO2
2.96ppb
NO2
0.20ppm
CO
AQI 38
Good
6.71μg/m³
PM2.5
29.82μg/m³
PM10
24.02ppb
O3
0.15ppb
SO2
3.14ppb
NO2
0.20ppm
CO
AQI 64
Moderate
15.55μg/m³
PM2.5
39.94μg/m³
PM10
13.05ppb
O3
0.75ppb
SO2
3.85ppb
NO2
0.20ppm
CO
AQI 58
Moderate
12.68μg/m³
PM2.5
60.69μg/m³
PM10
13.45ppb
O3
0.75ppb
SO2
3.68ppb
NO2
0.20ppm
CO
AQI 54
Moderate
10.79μg/m³
PM2.5
47.98μg/m³
PM10
13.78ppb
O3
0.78ppb
SO2
3.64ppb
NO2
0.20ppm
CO
AQI 52
Moderate
5.74μg/m³
PM2.5
56.51μg/m³
PM10
14.27ppb
O3
0.66ppb
SO2
4.88ppb
NO2
0.19ppm
CO
Air quality data and pollutant measurements for Iowa, 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 Mason City, Iowa is updated every hour.
The worst air quality in Mason City, Iowa in the last 24 hours was observed at 02:00:00 on 2025-09-04.
In the last 24 hrs, the best air quality in Mason City, Iowa was observed at 03:00:00 on 2025-09-03.
The current air quality in Mason City, Iowa is 38, categorized as Good based on real-time data.
The most common pollutant in Mason City, Iowa is PM2.5.
If the air quality in Mason City, Iowa is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Mason City, Iowa is 7.084 μg/m3.
The current PM10 concentration at Mason City, Iowa is 31.131 μg/m3.
The current carbon monoxide (CO) concentration at Mason City, Iowa is 0.201 ppm.
The current sulfur dioxide (SO2) concentration at Mason City, Iowa is 0.089 ppb.
The current ozone (O3) concentration at Mason City, Iowa is 22.223 ppm.
The current nitrogen dioxide (NO2) concentration at Mason City, Iowa is 3.046 ppb.
All Rights Reserved © Ambee Inc. 2025