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

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.95 μg/m³
0
55
155
255
425
605+
12.96 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
9.47 ppb
0
54
101
361
1250
2050+
0.33 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 52
Moderate
10.43μg/m³
PM2.5
31.98μg/m³
PM10
16.12ppb
O3
0.43ppb
SO2
12.08ppb
NO2
0.34ppm
CO
AQI 56
Moderate
11.95μg/m³
PM2.5
41.52μg/m³
PM10
13.69ppb
O3
0.46ppb
SO2
9.64ppb
NO2
0.34ppm
CO
AQI 54
Moderate
11.46μg/m³
PM2.5
39.30μg/m³
PM10
13.02ppb
O3
0.48ppb
SO2
8.44ppb
NO2
0.34ppm
CO
AQI 44
Good
8.36μg/m³
PM2.5
29.61μg/m³
PM10
16.14ppb
O3
0.44ppb
SO2
14.24ppb
NO2
0.33ppm
CO
AQI 52
Moderate
10.27μg/m³
PM2.5
35.50μg/m³
PM10
18.80ppb
O3
0.40ppb
SO2
13.65ppb
NO2
0.34ppm
CO
AQI 58
Moderate
13.44μg/m³
PM2.5
42.81μg/m³
PM10
16.90ppb
O3
0.37ppb
SO2
13.19ppb
NO2
0.37ppm
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 09:00:00 on 2026-08-12.
The best air quality in Old Jamestown, Missouri was recorded at 03:00:00 on 2026-08-13.
The real-time air quality index in Old Jamestown, Missouri is 54, currently categorized as Moderate.
The most common pollutant in Old Jamestown, Missouri is PM2.5.
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 11.06 μg/m3.
The current PM10 levels in Old Jamestown, Missouri are 36.946 μg/m3.
The current carbon monoxide (CO) level in Old Jamestown, Missouri is 0.333 ppm.
The current sulfur dioxide (SO2) levels in Old Jamestown, Missouri are 0.474 ppb.
The current ozone (O3) levels at Old Jamestown, Missouri is 12.96 ppm.
The current nitrogen dioxide (NO2) levels at Old Jamestown, Missouri is 9.466 ppb.
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