Stay updated with real-time air quality in Troy, 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)
33
Good
Troy, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.68 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.81 μg/m³
0
55
155
255
425
605+
4.84 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
11.87 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Troy, Missouri
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AQI 52
Moderate
10.00μg/m³
PM2.5
24.28μg/m³
PM10
6.72ppb
O3
0.26ppb
SO2
11.20ppb
NO2
0.24ppm
CO
AQI 52
Moderate
10.09μg/m³
PM2.5
18.10μg/m³
PM10
6.73ppb
O3
0.26ppb
SO2
11.19ppb
NO2
0.24ppm
CO
AQI 54
Moderate
11.21μg/m³
PM2.5
38.19μg/m³
PM10
4.73ppb
O3
0.26ppb
SO2
12.38ppb
NO2
0.24ppm
CO
AQI 52
Moderate
10.16μg/m³
PM2.5
16.90μg/m³
PM10
4.91ppb
O3
0.26ppb
SO2
11.22ppb
NO2
0.24ppm
CO
AQI 56
Moderate
11.93μg/m³
PM2.5
38.28μg/m³
PM10
7.32ppb
O3
0.26ppb
SO2
11.94ppb
NO2
0.24ppm
CO
AQI 56
Moderate
12.30μg/m³
PM2.5
51.78μg/m³
PM10
5.28ppb
O3
0.26ppb
SO2
7.04ppb
NO2
0.24ppm
CO
Air quality data and pollutant measurements for Missouri, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Troy, Missouri is updated every hour.
The worst air quality in Troy, Missouri in the last 24 hours was observed at 07:00:00 on 2026-03-04.
In the last 24 hrs, the best air quality in Troy, Missouri was observed at 02:00:00 on 2026-03-05.
The current air quality in Troy, Missouri is 33, categorized as Good based on real-time data.
The most common pollutant in Troy, Missouri is PM2.5.
If the air quality in Troy, Missouri is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Troy, Missouri is 5.681 μg/m3.
The current PM10 concentration at Troy, Missouri is 16.809 μg/m3.
The current carbon monoxide (CO) concentration at Troy, Missouri is 0.363 ppm.
The current sulfur dioxide (SO2) concentration at Troy, Missouri is 0.34 ppb.
The current ozone (O3) concentration at Troy, Missouri is 4.84 ppm.
The current nitrogen dioxide (NO2) concentration at Troy, Missouri is 11.865 ppb.
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