Stay updated with real-time air quality in Zionsville, Indiana 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)
41
Good
Zionsville, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.23 μg/m³
0
55
155
255
425
605+
43.93 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
2.73 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Zionsville, Indiana
Zionsville, Indiana
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AQI 44
Good
4.37μg/m³
PM2.5
20.37μg/m³
PM10
48.05ppb
O3
0.58ppb
SO2
2.39ppb
NO2
0.20ppm
CO
AQI 44
Good
4.39μg/m³
PM2.5
20.06μg/m³
PM10
48.45ppb
O3
0.50ppb
SO2
2.18ppb
NO2
0.20ppm
CO
AQI 43
Good
4.30μg/m³
PM2.5
19.78μg/m³
PM10
46.33ppb
O3
0.41ppb
SO2
2.25ppb
NO2
0.20ppm
CO
AQI 49
Good
4.39μg/m³
PM2.5
19.98μg/m³
PM10
53.48ppb
O3
0.65ppb
SO2
2.30ppb
NO2
0.20ppm
CO
AQI 43
Good
4.03μg/m³
PM2.5
17.68μg/m³
PM10
46.46ppb
O3
0.26ppb
SO2
1.85ppb
NO2
0.20ppm
CO
AQI 44
Good
4.37μg/m³
PM2.5
20.50μg/m³
PM10
48.47ppb
O3
0.61ppb
SO2
2.44ppb
NO2
0.20ppm
CO
Air quality and pollutant data for Indiana, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Zionsville, Indiana is updated every hour for accuracy.
In the past 24 hours, the air quality in Zionsville, Indiana was at its worst at 06:00:00 on 2026-06-11.
In the last 24 hours, the best air quality in Zionsville, Indiana was observed at 12:00:00 on 2026-06-11.
As of now, the AQI in Zionsville, Indiana is 41, indicating Good conditions.
Zionsville, Indiana air has the highest levels of O3.
Poor air quality in Zionsville, Indiana means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Zionsville, Indiana are currently 5.064 μg/m3.
The PM10 concentration in Zionsville, Indiana is 20.227 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Zionsville, Indiana is 0.176 ppm.
Currently, Zionsville, Indiana has a sulfur dioxide (SO2) concentration of 0.496 ppb.
The current ozone (O3) level in Zionsville, Indiana at the moment is 43.927 ppm.
Nitrogen dioxide (NO2) level in Zionsville, Indiana at the moment is 2.735 ppb.
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