Stay updated with real-time air quality in Lemay, 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)
38
Good
Lemay, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.12 μg/m³
0
55
155
255
425
605+
26.92 ppb
0
55
71
86
201
201+
1.09 ppb
0
36
76
186
605
1005+
7.08 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Lemay, Missouri
Lemay, Missouri
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AQI 38
Good
7.30μg/m³
PM2.5
28.33μg/m³
PM10
27.01ppb
O3
1.10ppb
SO2
6.80ppb
NO2
0.30ppm
CO
AQI 38
Good
7.27μg/m³
PM2.5
29.13μg/m³
PM10
27.42ppb
O3
1.10ppb
SO2
7.40ppb
NO2
0.30ppm
CO
AQI 44
Good
8.32μg/m³
PM2.5
22.90μg/m³
PM10
28.49ppb
O3
1.16ppb
SO2
5.24ppb
NO2
0.30ppm
CO
AQI 44
Good
7.98μg/m³
PM2.5
23.68μg/m³
PM10
28.06ppb
O3
1.10ppb
SO2
5.78ppb
NO2
0.30ppm
CO
AQI 44
Good
7.78μg/m³
PM2.5
26.41μg/m³
PM10
27.62ppb
O3
1.18ppb
SO2
6.96ppb
NO2
0.30ppm
CO
AQI 38
Good
7.24μg/m³
PM2.5
30.23μg/m³
PM10
27.19ppb
O3
1.13ppb
SO2
8.37ppb
NO2
0.30ppm
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 Lemay, Missouri is updated on an hourly basis.
The worst air quality in Lemay, Missouri was recorded at 01:00:00 on 2026-08-18.
The best air quality in Lemay, Missouri was recorded at 04:00:00 on 2026-08-18.
The real-time air quality index in Lemay, Missouri is 38, currently categorized as Good.
The most common pollutant in Lemay, Missouri is PM2.5.
If the air quality in Lemay, Missouri is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Lemay, Missouri at present are 7.038 μg/m3.
The current PM10 levels in Lemay, Missouri are 29.122 μg/m3.
The current carbon monoxide (CO) level in Lemay, Missouri is 0.3 ppm.
The current sulfur dioxide (SO2) levels in Lemay, Missouri are 1.089 ppb.
The current ozone (O3) levels at Lemay, Missouri is 26.919 ppm.
The current nitrogen dioxide (NO2) levels at Lemay, Missouri is 7.082 ppb.
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