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)
54
Moderate
Liberty, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
40.51 μg/m³
0
55
155
255
425
605+
19.55 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
9.05 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Liberty, Missouri
Liberty, Missouri
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AQI 56
Moderate
11.68μg/m³
PM2.5
27.76μg/m³
PM10
17.34ppb
O3
0.92ppb
SO2
8.87ppb
NO2
0.28ppm
CO
AQI 52
Moderate
10.46μg/m³
PM2.5
43.62μg/m³
PM10
17.35ppb
O3
0.74ppb
SO2
8.59ppb
NO2
0.26ppm
CO
AQI 62
Moderate
14.74μg/m³
PM2.5
60.40μg/m³
PM10
18.82ppb
O3
0.85ppb
SO2
8.53ppb
NO2
0.27ppm
CO
AQI 64
Moderate
16.45μg/m³
PM2.5
31.20μg/m³
PM10
19.53ppb
O3
0.64ppb
SO2
8.72ppb
NO2
0.25ppm
CO
AQI 58
Moderate
13.43μg/m³
PM2.5
53.34μg/m³
PM10
18.68ppb
O3
0.69ppb
SO2
8.80ppb
NO2
0.26ppm
CO
AQI 67
Moderate
18.46μg/m³
PM2.5
29.91μg/m³
PM10
18.40ppb
O3
0.99ppb
SO2
9.09ppb
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 04:00:00 on 2025-12-07.
The best air quality in Liberty, Missouri was recorded at 03:00:00 on 2025-12-06.
The real-time air quality index in Liberty, Missouri is 54, currently categorized as Moderate.
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 10.796 μg/m3.
The current PM10 levels in Liberty, Missouri are 40.514 μg/m3.
The current carbon monoxide (CO) level in Liberty, Missouri is 0.276 ppm.
The current sulfur dioxide (SO2) levels in Liberty, Missouri are 0.791 ppb.
The current ozone (O3) levels at Liberty, Missouri is 19.549 ppm.
The current nitrogen dioxide (NO2) levels at Liberty, Missouri is 9.055 ppb.
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