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)
27
Good
Ferguson, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.18 μg/m³
0
55
155
255
425
605+
20.51 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
3.90 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 27
Good
5.37μg/m³
PM2.5
24.81μg/m³
PM10
22.00ppb
O3
0.30ppb
SO2
4.21ppb
NO2
0.10ppm
CO
AQI 22
Good
3.54μg/m³
PM2.5
18.77μg/m³
PM10
17.77ppb
O3
0.39ppb
SO2
3.10ppb
NO2
0.10ppm
CO
AQI 22
Good
3.75μg/m³
PM2.5
23.05μg/m³
PM10
17.23ppb
O3
0.43ppb
SO2
2.89ppb
NO2
0.10ppm
CO
AQI 38
Good
6.87μg/m³
PM2.5
29.48μg/m³
PM10
21.05ppb
O3
0.28ppb
SO2
3.82ppb
NO2
0.10ppm
CO
AQI 18
Good
3.14μg/m³
PM2.5
16.14μg/m³
PM10
18.60ppb
O3
0.40ppb
SO2
3.52ppb
NO2
0.10ppm
CO
AQI 22
Good
4.13μg/m³
PM2.5
24.07μg/m³
PM10
17.70ppb
O3
0.42ppb
SO2
3.06ppb
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 05:00:00 on 2026-01-23.
In the last 24 hrs, the best air quality in Ferguson, Missouri was observed at 01:00:00 on 2026-01-22.
The current air quality in Ferguson, Missouri is 27, 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 4.712 μg/m3.
The current PM10 concentration at Ferguson, Missouri is 21.185 μg/m3.
The current carbon monoxide (CO) concentration at Ferguson, Missouri is 0.102 ppm.
The current sulfur dioxide (SO2) concentration at Ferguson, Missouri is 0.327 ppb.
The current ozone (O3) concentration at Ferguson, Missouri is 20.509 ppm.
The current nitrogen dioxide (NO2) concentration at Ferguson, Missouri is 3.898 ppb.
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