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
5.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.40 μg/m³
0
55
155
255
425
605+
20.71 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
4.74 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Troy, Missouri
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AQI 28
Good
4.70μg/m³
PM2.5
30.00μg/m³
PM10
22.49ppb
O3
0.54ppb
SO2
6.93ppb
NO2
0.25ppm
CO
AQI 27
Good
4.84μg/m³
PM2.5
26.51μg/m³
PM10
22.61ppb
O3
0.52ppb
SO2
6.91ppb
NO2
0.25ppm
CO
AQI 27
Good
4.82μg/m³
PM2.5
24.55μg/m³
PM10
21.26ppb
O3
0.48ppb
SO2
6.87ppb
NO2
0.26ppm
CO
AQI 27
Good
4.75μg/m³
PM2.5
18.80μg/m³
PM10
22.12ppb
O3
0.51ppb
SO2
6.88ppb
NO2
0.26ppm
CO
AQI 22
Good
3.85μg/m³
PM2.5
24.40μg/m³
PM10
21.26ppb
O3
0.46ppb
SO2
6.89ppb
NO2
0.26ppm
CO
AQI 27
Good
4.82μg/m³
PM2.5
19.43μg/m³
PM10
19.66ppb
O3
0.34ppb
SO2
8.76ppb
NO2
0.26ppm
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 08:00:00 on 2026-06-07.
In the last 24 hrs, the best air quality in Troy, Missouri was observed at 10:00:00 on 2026-06-08.
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 5.589 μg/m3.
The current PM10 concentration at Troy, Missouri is 21.404 μg/m3.
The current carbon monoxide (CO) concentration at Troy, Missouri is 0.268 ppm.
The current sulfur dioxide (SO2) concentration at Troy, Missouri is 0.595 ppb.
The current ozone (O3) concentration at Troy, Missouri is 20.709 ppm.
The current nitrogen dioxide (NO2) concentration at Troy, Missouri is 4.737 ppb.
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