Stay updated with real-time air quality in Festus, Missouri 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)
64
Moderate
Festus, Missouri
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
16.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
56.63 μg/m³
0
55
155
255
425
605+
11.69 ppb
0
55
71
86
201
201+
1.13 ppb
0
36
76
186
605
1005+
15.25 ppb
0
54
101
361
1250
2050+
0.44 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Festus, Missouri
Festus, Missouri
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AQI 62
Moderate
15.06μg/m³
PM2.5
22.87μg/m³
PM10
6.07ppb
O3
0.84ppb
SO2
6.26ppb
NO2
0.46ppm
CO
AQI 62
Moderate
14.54μg/m³
PM2.5
47.54μg/m³
PM10
15.53ppb
O3
0.83ppb
SO2
17.00ppb
NO2
0.42ppm
CO
AQI 62
Moderate
14.80μg/m³
PM2.5
48.34μg/m³
PM10
5.77ppb
O3
0.74ppb
SO2
12.76ppb
NO2
0.47ppm
CO
AQI 62
Moderate
15.14μg/m³
PM2.5
56.84μg/m³
PM10
4.28ppb
O3
0.57ppb
SO2
17.17ppb
NO2
0.44ppm
CO
AQI 60
Moderate
14.41μg/m³
PM2.5
40.41μg/m³
PM10
5.75ppb
O3
0.69ppb
SO2
12.24ppb
NO2
0.47ppm
CO
AQI 62
Moderate
14.97μg/m³
PM2.5
60.20μg/m³
PM10
4.41ppb
O3
0.64ppb
SO2
14.86ppb
NO2
0.47ppm
CO
Air quality data and pollutant measurements for Missouri, 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 Festus, Missouri is updated every hour.
The worst air quality in Festus, Missouri in the last 24 hours was observed at 03:00:00 on 2025-06-05.
In the last 24 hrs, the best air quality in Festus, Missouri was observed at 07:00:00 on 2025-06-05.
The current air quality in Festus, Missouri is 64, categorized as Moderate based on real-time data.
The most common pollutant in Festus, Missouri is PM2.5.
If the air quality in Festus, Missouri is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Festus, Missouri is 16.075 μg/m3.
The current PM10 concentration at Festus, Missouri is 56.631 μg/m3.
The current carbon monoxide (CO) concentration at Festus, Missouri is 0.438 ppm.
The current sulfur dioxide (SO2) concentration at Festus, Missouri is 1.132 ppb.
The current ozone (O3) concentration at Festus, Missouri is 11.686 ppm.
The current nitrogen dioxide (NO2) concentration at Festus, Missouri is 15.251 ppb.
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