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)
44
Good
Liberty, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.75 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.66 μg/m³
0
55
155
255
425
605+
44.12 ppb
0
55
71
86
201
201+
0.31 ppb
0
36
76
186
605
1005+
5.75 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Liberty, Missouri
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AQI 49
Good
8.66μg/m³
PM2.5
34.26μg/m³
PM10
44.19ppb
O3
0.33ppb
SO2
5.55ppb
NO2
0.29ppm
CO
AQI 42
Good
7.46μg/m³
PM2.5
31.43μg/m³
PM10
44.65ppb
O3
0.30ppb
SO2
5.73ppb
NO2
0.28ppm
CO
AQI 49
Good
8.83μg/m³
PM2.5
40.69μg/m³
PM10
45.06ppb
O3
0.33ppb
SO2
5.66ppb
NO2
0.29ppm
CO
AQI 44
Good
7.55μg/m³
PM2.5
30.11μg/m³
PM10
46.14ppb
O3
0.30ppb
SO2
5.86ppb
NO2
0.28ppm
CO
AQI 44
Good
8.32μg/m³
PM2.5
30.18μg/m³
PM10
42.18ppb
O3
0.29ppb
SO2
5.53ppb
NO2
0.28ppm
CO
AQI 42
Good
7.45μg/m³
PM2.5
22.67μg/m³
PM10
45.06ppb
O3
0.39ppb
SO2
6.51ppb
NO2
0.29ppm
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 2026-03-09.
The best air quality in Liberty, Missouri was recorded at 03:00:00 on 2026-03-09.
The real-time air quality index in Liberty, Missouri is 44, 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 7.745 μg/m3.
The current PM10 levels in Liberty, Missouri are 32.656 μg/m3.
The current carbon monoxide (CO) level in Liberty, Missouri is 0.282 ppm.
The current sulfur dioxide (SO2) levels in Liberty, Missouri are 0.312 ppb.
The current ozone (O3) levels at Liberty, Missouri is 44.116 ppm.
The current nitrogen dioxide (NO2) levels at Liberty, Missouri is 5.753 ppb.
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