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)
33
Good
Kirkwood, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.54 μg/m³
0
55
155
255
425
605+
32.90 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
4.32 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Kirkwood, Missouri
Kirkwood, Missouri
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AQI 38
Good
6.86μg/m³
PM2.5
27.63μg/m³
PM10
31.13ppb
O3
1.03ppb
SO2
4.22ppb
NO2
0.21ppm
CO
AQI 38
Good
6.65μg/m³
PM2.5
28.37μg/m³
PM10
31.76ppb
O3
0.99ppb
SO2
5.07ppb
NO2
0.20ppm
CO
AQI 33
Good
6.39μg/m³
PM2.5
27.58μg/m³
PM10
29.84ppb
O3
0.78ppb
SO2
4.92ppb
NO2
0.21ppm
CO
AQI 44
Good
7.82μg/m³
PM2.5
33.44μg/m³
PM10
30.91ppb
O3
1.09ppb
SO2
4.69ppb
NO2
0.20ppm
CO
AQI 33
Good
5.76μg/m³
PM2.5
25.64μg/m³
PM10
30.83ppb
O3
0.83ppb
SO2
5.24ppb
NO2
0.21ppm
CO
AQI 38
Good
7.05μg/m³
PM2.5
25.67μg/m³
PM10
31.89ppb
O3
1.12ppb
SO2
3.37ppb
NO2
0.21ppm
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 05:00:00, 2026-08-16.
The best air quality in Kirkwood, Missouri was observed at 05:00:00 on 2026-08-16.
The air quality in Kirkwood, Missouri right now is Good, with an AQI of 38.
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 6.533 μg/m3.
Kirkwood, Missouri currently has a PM10 concentration of 26.906 μg/m3.
The current carbon monoxide (CO) level in Kirkwood, Missouri is 0.206 ppm.
The current sulfur dioxide (SO2) concentration in Kirkwood, Missouri is 0.965 ppb.
Kirkwood, Missouri currently has an ozone (O3) concentration of 30.735 ppm.
The current level of nitrogen dioxide (NO2) in Kirkwood, Missouri is 4.451 ppb.
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