Stay updated with real-time air quality in Old Jamestown, 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)
40
Good
Old Jamestown, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.68 μg/m³
0
55
155
255
425
605+
42.96 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
2.50 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Old Jamestown, Missouri
Old Jamestown, Missouri
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AQI 41
Good
5.68μg/m³
PM2.5
19.80μg/m³
PM10
44.23ppb
O3
0.51ppb
SO2
2.95ppb
NO2
0.20ppm
CO
AQI 40
Good
6.19μg/m³
PM2.5
23.50μg/m³
PM10
43.28ppb
O3
0.53ppb
SO2
2.97ppb
NO2
0.21ppm
CO
AQI 40
Good
6.27μg/m³
PM2.5
24.13μg/m³
PM10
42.77ppb
O3
0.54ppb
SO2
2.63ppb
NO2
0.21ppm
CO
AQI 41
Good
5.65μg/m³
PM2.5
20.25μg/m³
PM10
44.41ppb
O3
0.52ppb
SO2
2.46ppb
NO2
0.21ppm
CO
AQI 42
Good
5.48μg/m³
PM2.5
20.32μg/m³
PM10
44.66ppb
O3
0.49ppb
SO2
3.81ppb
NO2
0.20ppm
CO
AQI 42
Good
6.52μg/m³
PM2.5
22.17μg/m³
PM10
44.55ppb
O3
0.46ppb
SO2
4.34ppb
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 Old Jamestown, Missouri is updated on an hourly basis.
The worst air quality in Old Jamestown, Missouri was recorded at 12:00:00 on 2026-07-23.
The best air quality in Old Jamestown, Missouri was recorded at 12:00:00 on 2026-07-23.
The real-time air quality index in Old Jamestown, Missouri is 40, currently categorized as Good.
The most common pollutant in Old Jamestown, Missouri is O3.
If the air quality in Old Jamestown, Missouri is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Old Jamestown, Missouri at present are 6.171 μg/m3.
The current PM10 levels in Old Jamestown, Missouri are 22.684 μg/m3.
The current carbon monoxide (CO) level in Old Jamestown, Missouri is 0.209 ppm.
The current sulfur dioxide (SO2) levels in Old Jamestown, Missouri are 0.541 ppb.
The current ozone (O3) levels at Old Jamestown, Missouri is 42.962 ppm.
The current nitrogen dioxide (NO2) levels at Old Jamestown, Missouri is 2.5 ppb.
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