Real-time air quality index in Missouri, USA today
Stay updated with real-time air quality in Missouri, USA 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)
22
Good
Missouri, USA
Last updated: ... (Local time)
Common air pollutants in Missouri, USA
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
3.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
18.86 μg/m³
0
55
155
255
425
605+
Ozone (O3)
22.83 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.88 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
6.95 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Missouri, USA
Missouri, USA
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Missouri, USA air quality map: Real-time AQI near you
Air quality in cities of Missouri, USA
| No results found | |||||||
| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
Air quality in nearby states
Arkansas, USA
AQI 27
Good
5.04μg/m³
PM2.5
26.04μg/m³
PM10
22.54ppb
O3
0.89ppb
SO2
6.77ppb
NO2
0.31ppm
CO
Illinois, USA
AQI 19
Good
1.94μg/m³
PM2.5
8.64μg/m³
PM10
21.00ppb
O3
0.59ppb
SO2
2.82ppb
NO2
0.18ppm
CO
Iowa, USA
AQI 20
Good
2.85μg/m³
PM2.5
13.94μg/m³
PM10
21.86ppb
O3
0.56ppb
SO2
2.15ppb
NO2
0.19ppm
CO
Tennessee, USA
AQI 27
Good
5.05μg/m³
PM2.5
20.78μg/m³
PM10
22.81ppb
O3
2.25ppb
SO2
7.74ppb
NO2
0.24ppm
CO
Oklahoma, USA
AQI 27
Good
5.45μg/m³
PM2.5
25.65μg/m³
PM10
21.92ppb
O3
1.16ppb
SO2
15.71ppb
NO2
0.57ppm
CO
Kansas, USA
AQI 33
Good
5.80μg/m³
PM2.5
29.47μg/m³
PM10
20.26ppb
O3
1.28ppb
SO2
13.14ppb
NO2
0.42ppm
CO
How accurate is Missouri, USA air quality data?
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
Frequently asked questions
How frequently is the air quality data for Missouri, USA updated?
Air quality data for Missouri, USA is updated on an hourly basis.
When did Missouri, USA experience the worst air quality in the last 24 hours?
The worst air quality in Missouri, USA was recorded at 10:00:00 on 2025-10-21.
When did Missouri, USA have its best air quality in the last 24 hours?
The best air quality in Missouri, USA was recorded at 05:00:00 on 2025-10-22.
What is the real-time air quality index for Missouri, USA?
The real-time air quality index in Missouri, USA is 22, currently categorized as Good.
Which pollutant is found most often in Missouri, USA?
The most common pollutant in Missouri, USA is PM2.5.
What can I do if the air quality in Missouri, USA is poor?
If the air quality in Missouri, USA is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Missouri, USA?
The measured PM2.5 levels in Missouri, USA at present are 3.594 μg/m3.
What are the current PM10 levels at Missouri, USA?
The current PM10 levels in Missouri, USA are 18.862 μg/m3.
What are the current carbon monoxide (CO) levels at Missouri, USA?
The current carbon monoxide (CO) level in Missouri, USA is 0.23 ppm.
What are the current sulfur dioxide (SO2) levels at Missouri, USA?
The current sulfur dioxide (SO2) levels in Missouri, USA are 0.88 ppb.
What are the current ozone (O3) levels at Missouri, USA?
The current ozone (O3) levels at Missouri, USA is 22.828 ppm.
What are the current nitrogen dioxide (NO2) levels at Missouri, USA?
The current nitrogen dioxide (NO2) levels at Missouri, USA is 6.954 ppb.
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