Stay updated with real-time air quality in Ferguson, 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)
44
Good
Ferguson, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.38 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.67 μg/m³
0
55
155
255
425
605+
47.09 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
2.83 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Ferguson, Missouri
Ferguson, Missouri
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AQI 44
Good
2.57μg/m³
PM2.5
12.63μg/m³
PM10
47.67ppb
O3
0.70ppb
SO2
2.58ppb
NO2
0.10ppm
CO
AQI 44
Good
2.33μg/m³
PM2.5
9.68μg/m³
PM10
46.63ppb
O3
0.55ppb
SO2
2.98ppb
NO2
0.10ppm
CO
AQI 42
Good
2.46μg/m³
PM2.5
11.93μg/m³
PM10
45.31ppb
O3
0.39ppb
SO2
2.29ppb
NO2
0.10ppm
CO
AQI 44
Good
2.73μg/m³
PM2.5
13.43μg/m³
PM10
48.49ppb
O3
0.68ppb
SO2
2.45ppb
NO2
0.10ppm
CO
AQI 42
Good
2.14μg/m³
PM2.5
9.71μg/m³
PM10
45.33ppb
O3
0.55ppb
SO2
2.53ppb
NO2
0.10ppm
CO
AQI 42
Good
2.39μg/m³
PM2.5
11.69μg/m³
PM10
44.99ppb
O3
0.42ppb
SO2
2.25ppb
NO2
0.10ppm
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 Ferguson, Missouri is updated every hour.
The worst air quality in Ferguson, Missouri in the last 24 hours was observed at 08:00:00 on 2026-06-15.
In the last 24 hrs, the best air quality in Ferguson, Missouri was observed at 11:00:00 on 2026-06-15.
The current air quality in Ferguson, Missouri is 44, categorized as Good based on real-time data.
The most common pollutant in Ferguson, Missouri is O3.
If the air quality in Ferguson, Missouri is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Ferguson, Missouri is 2.385 μg/m3.
The current PM10 concentration at Ferguson, Missouri is 11.671 μg/m3.
The current carbon monoxide (CO) concentration at Ferguson, Missouri is 0.1 ppm.
The current sulfur dioxide (SO2) concentration at Ferguson, Missouri is 0.666 ppb.
The current ozone (O3) concentration at Ferguson, Missouri is 47.087 ppm.
The current nitrogen dioxide (NO2) concentration at Ferguson, Missouri is 2.828 ppb.
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