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)
52
Moderate
Ferguson, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.35 μg/m³
0
55
155
255
425
605+
51.07 ppb
0
55
71
86
201
201+
1.59 ppb
0
36
76
186
605
1005+
4.87 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Ferguson, Missouri
Ferguson, Missouri
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AQI 54
Moderate
8.82μg/m³
PM2.5
41.80μg/m³
PM10
55.55ppb
O3
2.05ppb
SO2
6.39ppb
NO2
0.20ppm
CO
AQI 51
Moderate
7.76μg/m³
PM2.5
32.33μg/m³
PM10
54.94ppb
O3
1.67ppb
SO2
3.69ppb
NO2
0.20ppm
CO
AQI 49
Good
7.38μg/m³
PM2.5
28.22μg/m³
PM10
52.87ppb
O3
1.21ppb
SO2
3.24ppb
NO2
0.20ppm
CO
AQI 54
Moderate
8.85μg/m³
PM2.5
40.12μg/m³
PM10
55.65ppb
O3
2.17ppb
SO2
6.40ppb
NO2
0.20ppm
CO
AQI 49
Good
7.74μg/m³
PM2.5
33.52μg/m³
PM10
53.35ppb
O3
1.38ppb
SO2
4.42ppb
NO2
0.20ppm
CO
AQI 49
Good
7.30μg/m³
PM2.5
28.55μg/m³
PM10
52.56ppb
O3
1.14ppb
SO2
3.58ppb
NO2
0.20ppm
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 09:00:00 on 2026-10-22.
In the last 24 hrs, the best air quality in Ferguson, Missouri was observed at 11:00:00 on 2026-10-21.
The current air quality in Ferguson, Missouri is 52, categorized as Moderate based on real-time data.
The most common pollutant in Ferguson, Missouri is PM2.5.
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 9.503 μg/m3.
The current PM10 concentration at Ferguson, Missouri is 35.354 μg/m3.
The current carbon monoxide (CO) concentration at Ferguson, Missouri is 0.198 ppm.
The current sulfur dioxide (SO2) concentration at Ferguson, Missouri is 1.59 ppb.
The current ozone (O3) concentration at Ferguson, Missouri is 51.069 ppm.
The current nitrogen dioxide (NO2) concentration at Ferguson, Missouri is 4.871 ppb.
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