Stay updated with real-time air quality in Troy, Illinois 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)
38
Good
Troy, Illinois
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.97 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.68 μg/m³
0
55
155
255
425
605+
28.00 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
4.69 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Troy, Illinois
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AQI 38
Good
6.81μg/m³
PM2.5
24.49μg/m³
PM10
28.37ppb
O3
0.42ppb
SO2
4.62ppb
NO2
0.14ppm
CO
AQI 38
Good
6.88μg/m³
PM2.5
24.22μg/m³
PM10
27.71ppb
O3
0.41ppb
SO2
4.80ppb
NO2
0.14ppm
CO
AQI 38
Good
6.80μg/m³
PM2.5
25.25μg/m³
PM10
28.68ppb
O3
0.42ppb
SO2
4.55ppb
NO2
0.14ppm
CO
AQI 38
Good
6.63μg/m³
PM2.5
27.92μg/m³
PM10
27.83ppb
O3
0.44ppb
SO2
4.67ppb
NO2
0.14ppm
CO
AQI 38
Good
7.10μg/m³
PM2.5
23.93μg/m³
PM10
26.26ppb
O3
0.39ppb
SO2
4.82ppb
NO2
0.14ppm
CO
AQI 38
Good
6.63μg/m³
PM2.5
27.92μg/m³
PM10
27.83ppb
O3
0.44ppb
SO2
4.67ppb
NO2
0.14ppm
CO
The air quality data for Illinois, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Troy, Illinois are available every hour.
Troy, Illinois experienced its worst air quality at 02:00:00, 2025-07-14.
The best air quality in Troy, Illinois was observed at 08:00:00 on 2025-07-14.
The air quality in Troy, Illinois right now is Good, with an AQI of 38.
In Troy, Illinois, PM2.5 is the most frequently found pollutant.
When air quality in Troy, Illinois is compromised, staying indoors and wearing a mask can reduce health risks.
Troy, Illinois currently has a PM2.5 concentration of 6.969 μg/m3.
Troy, Illinois currently has a PM10 concentration of 24.684 μg/m3.
The current carbon monoxide (CO) level in Troy, Illinois is 0.142 ppm.
The current sulfur dioxide (SO2) concentration in Troy, Illinois is 0.421 ppb.
Troy, Illinois currently has an ozone (O3) concentration of 28.003 ppm.
The current level of nitrogen dioxide (NO2) in Troy, Illinois is 4.686 ppb.
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