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

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.89 μg/m³
0
55
155
255
425
605+
29.10 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
7.37 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Liberty, Missouri
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AQI 25
Good
3.16μg/m³
PM2.5
11.05μg/m³
PM10
26.81ppb
O3
0.41ppb
SO2
7.37ppb
NO2
0.22ppm
CO
AQI 28
Good
2.20μg/m³
PM2.5
11.44μg/m³
PM10
30.07ppb
O3
0.41ppb
SO2
7.31ppb
NO2
0.23ppm
CO
AQI 25
Good
3.82μg/m³
PM2.5
12.54μg/m³
PM10
27.09ppb
O3
0.41ppb
SO2
7.29ppb
NO2
0.21ppm
CO
AQI 29
Good
2.59μg/m³
PM2.5
17.45μg/m³
PM10
31.14ppb
O3
0.41ppb
SO2
7.37ppb
NO2
0.23ppm
CO
AQI 24
Good
3.45μg/m³
PM2.5
11.72μg/m³
PM10
26.03ppb
O3
0.42ppb
SO2
7.28ppb
NO2
0.23ppm
CO
AQI 25
Good
3.13μg/m³
PM2.5
10.05μg/m³
PM10
27.39ppb
O3
0.40ppb
SO2
8.04ppb
NO2
0.21ppm
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 04:00:00 on 2026-03-05.
The best air quality in Liberty, Missouri was recorded at 10:00:00 on 2026-03-06.
The real-time air quality index in Liberty, Missouri is 27, currently categorized as Good.
The most common pollutant in Liberty, Missouri is O3.
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 2.226 μg/m3.
The current PM10 levels in Liberty, Missouri are 9.891 μg/m3.
The current carbon monoxide (CO) level in Liberty, Missouri is 0.223 ppm.
The current sulfur dioxide (SO2) levels in Liberty, Missouri are 0.406 ppb.
The current ozone (O3) levels at Liberty, Missouri is 29.104 ppm.
The current nitrogen dioxide (NO2) levels at Liberty, Missouri is 7.367 ppb.
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