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)
23
Good
Lemay, Missouri
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
1.89 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.97 μg/m³
0
55
155
255
425
605+
25.44 ppb
0
55
71
86
201
201+
0.44 ppb
0
36
76
186
605
1005+
4.37 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Lemay, Missouri
Lemay, Missouri
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AQI 22
Good
2.01μg/m³
PM2.5
9.45μg/m³
PM10
23.63ppb
O3
0.41ppb
SO2
4.51ppb
NO2
0.20ppm
CO
AQI 22
Good
1.87μg/m³
PM2.5
9.37μg/m³
PM10
23.51ppb
O3
0.41ppb
SO2
4.86ppb
NO2
0.20ppm
CO
AQI 22
Good
1.87μg/m³
PM2.5
12.21μg/m³
PM10
24.11ppb
O3
0.42ppb
SO2
3.74ppb
NO2
0.20ppm
CO
AQI 22
Good
1.90μg/m³
PM2.5
11.11μg/m³
PM10
23.96ppb
O3
0.39ppb
SO2
4.07ppb
NO2
0.20ppm
CO
AQI 22
Good
1.79μg/m³
PM2.5
9.82μg/m³
PM10
23.59ppb
O3
0.42ppb
SO2
4.84ppb
NO2
0.20ppm
CO
AQI 21
Good
1.61μg/m³
PM2.5
7.94μg/m³
PM10
23.29ppb
O3
0.40ppb
SO2
5.52ppb
NO2
0.20ppm
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 12:00:00 on 2025-10-22.
The best air quality in Lemay, Missouri was recorded at 02:00:00 on 2025-10-21.
The real-time air quality index in Lemay, Missouri is 22, 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 4.008 μg/m3.
The current PM10 levels in Lemay, Missouri are 17.977 μg/m3.
The current carbon monoxide (CO) level in Lemay, Missouri is 0.251 ppm.
The current sulfur dioxide (SO2) levels in Lemay, Missouri are 0.293 ppb.
The current ozone (O3) levels at Lemay, Missouri is 22.498 ppm.
The current nitrogen dioxide (NO2) levels at Lemay, Missouri is 7.243 ppb.
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