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
8.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.36 μg/m³
0
55
155
255
425
605+
11.04 ppb
0
55
71
86
201
201+
0.62 ppb
0
36
76
186
605
1005+
14.39 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Ferguson, Missouri
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AQI 33
Good
6.12μg/m³
PM2.5
20.60μg/m³
PM10
12.17ppb
O3
0.48ppb
SO2
11.89ppb
NO2
0.29ppm
CO
AQI 33
Good
6.15μg/m³
PM2.5
24.11μg/m³
PM10
10.72ppb
O3
0.44ppb
SO2
14.15ppb
NO2
0.31ppm
CO
AQI 33
Good
6.09μg/m³
PM2.5
23.30μg/m³
PM10
13.84ppb
O3
0.37ppb
SO2
12.61ppb
NO2
0.32ppm
CO
AQI 33
Good
6.49μg/m³
PM2.5
18.50μg/m³
PM10
12.43ppb
O3
0.49ppb
SO2
11.67ppb
NO2
0.24ppm
CO
AQI 33
Good
5.84μg/m³
PM2.5
22.89μg/m³
PM10
13.13ppb
O3
0.42ppb
SO2
12.85ppb
NO2
0.34ppm
CO
AQI 33
Good
5.99μg/m³
PM2.5
22.75μg/m³
PM10
14.10ppb
O3
0.37ppb
SO2
12.41ppb
NO2
0.33ppm
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 11:00:00 on 2026-03-09.
In the last 24 hrs, the best air quality in Ferguson, Missouri was observed at 09:00:00 on 2026-03-10.
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 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 8.226 μg/m3.
The current PM10 concentration at Ferguson, Missouri is 30.363 μg/m3.
The current carbon monoxide (CO) concentration at Ferguson, Missouri is 0.352 ppm.
The current sulfur dioxide (SO2) concentration at Ferguson, Missouri is 0.624 ppb.
The current ozone (O3) concentration at Ferguson, Missouri is 11.037 ppm.
The current nitrogen dioxide (NO2) concentration at Ferguson, Missouri is 14.392 ppb.
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