Stay updated with real-time air quality in Kirkwood, 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
Kirkwood, Missouri
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.84 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.02 μg/m³
0
55
155
255
425
605+
28.59 ppb
0
55
71
86
201
201+
2.50 ppb
0
36
76
186
605
1005+
4.22 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Kirkwood, Missouri
Kirkwood, Missouri
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AQI 56
Moderate
11.81μg/m³
PM2.5
45.93μg/m³
PM10
18.18ppb
O3
0.58ppb
SO2
7.60ppb
NO2
0.26ppm
CO
AQI 58
Moderate
13.32μg/m³
PM2.5
54.82μg/m³
PM10
18.90ppb
O3
0.57ppb
SO2
8.45ppb
NO2
0.27ppm
CO
AQI 56
Moderate
11.66μg/m³
PM2.5
43.23μg/m³
PM10
20.45ppb
O3
0.59ppb
SO2
8.65ppb
NO2
0.26ppm
CO
AQI 58
Moderate
13.26μg/m³
PM2.5
53.97μg/m³
PM10
17.62ppb
O3
0.57ppb
SO2
8.01ppb
NO2
0.26ppm
CO
AQI 56
Moderate
11.70μg/m³
PM2.5
48.66μg/m³
PM10
20.48ppb
O3
0.58ppb
SO2
8.91ppb
NO2
0.27ppm
CO
AQI 54
Moderate
11.08μg/m³
PM2.5
36.35μg/m³
PM10
17.09ppb
O3
0.59ppb
SO2
6.84ppb
NO2
0.25ppm
CO
The air quality data for Missouri, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Kirkwood, Missouri are available every hour.
Kirkwood, Missouri experienced its worst air quality at 08:00:00, 2025-07-19.
The best air quality in Kirkwood, Missouri was observed at 09:00:00 on 2025-07-18.
The air quality in Kirkwood, Missouri right now is Moderate, with an AQI of 56.
In Kirkwood, Missouri, PM2.5 is the most frequently found pollutant.
When air quality in Kirkwood, Missouri is compromised, staying indoors and wearing a mask can reduce health risks.
Kirkwood, Missouri currently has a PM2.5 concentration of 11.733 μg/m3.
Kirkwood, Missouri currently has a PM10 concentration of 46.26 μg/m3.
The current carbon monoxide (CO) level in Kirkwood, Missouri is 0.263 ppm.
The current sulfur dioxide (SO2) concentration in Kirkwood, Missouri is 0.584 ppb.
Kirkwood, Missouri currently has an ozone (O3) concentration of 19.136 ppm.
The current level of nitrogen dioxide (NO2) in Kirkwood, Missouri is 7.912 ppb.
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