Stay updated with real-time air quality in Liberty, 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)
39
Good
Liberty, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.72 μg/m³
0
55
155
255
425
605+
42.42 ppb
0
55
71
86
201
201+
1.64 ppb
0
36
76
186
605
1005+
5.59 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Liberty, Missouri
Liberty, Missouri
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AQI 44
Good
8.23μg/m³
PM2.5
28.76μg/m³
PM10
26.95ppb
O3
1.54ppb
SO2
11.46ppb
NO2
0.27ppm
CO
AQI 33
Good
6.36μg/m³
PM2.5
28.41μg/m³
PM10
28.71ppb
O3
1.35ppb
SO2
9.55ppb
NO2
0.26ppm
CO
AQI 44
Good
7.77μg/m³
PM2.5
23.06μg/m³
PM10
24.97ppb
O3
1.41ppb
SO2
10.11ppb
NO2
0.27ppm
CO
AQI 33
Good
6.06μg/m³
PM2.5
28.38μg/m³
PM10
29.59ppb
O3
1.30ppb
SO2
8.98ppb
NO2
0.25ppm
CO
AQI 33
Good
6.49μg/m³
PM2.5
21.87μg/m³
PM10
30.37ppb
O3
1.33ppb
SO2
9.67ppb
NO2
0.26ppm
CO
AQI 52
Moderate
9.85μg/m³
PM2.5
28.15μg/m³
PM10
26.81ppb
O3
1.87ppb
SO2
14.70ppb
NO2
0.28ppm
CO
Air quality measurements for Missouri, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Liberty, Missouri is updated on an hourly basis.
The worst air quality in Liberty, Missouri was recorded at 10:00:00 on 2026-08-07.
The best air quality in Liberty, Missouri was recorded at 07:00:00 on 2026-08-08.
The real-time air quality index in Liberty, Missouri is 33, currently categorized as Good.
The most common pollutant in Liberty, Missouri is PM2.5.
If the air quality in Liberty, Missouri is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Liberty, Missouri at present are 6.202 μg/m3.
The current PM10 levels in Liberty, Missouri are 25.14 μg/m3.
The current carbon monoxide (CO) level in Liberty, Missouri is 0.269 ppm.
The current sulfur dioxide (SO2) levels in Liberty, Missouri are 1.566 ppb.
The current ozone (O3) levels at Liberty, Missouri is 32.669 ppm.
The current nitrogen dioxide (NO2) levels at Liberty, Missouri is 7.421 ppb.
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