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)
25
Good
Zionsville, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.54 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.45 μg/m³
0
55
155
255
425
605+
27.40 ppb
0
55
71
86
201
201+
0.58 ppb
0
36
76
186
605
1005+
17.51 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Zionsville, Indiana
Zionsville, Indiana
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AQI 19
Good
3.33μg/m³
PM2.5
14.61μg/m³
PM10
20.41ppb
O3
0.53ppb
SO2
17.53ppb
NO2
0.28ppm
CO
AQI 23
Good
3.15μg/m³
PM2.5
15.01μg/m³
PM10
24.82ppb
O3
0.57ppb
SO2
21.50ppb
NO2
0.31ppm
CO
AQI 22
Good
4.18μg/m³
PM2.5
20.02μg/m³
PM10
23.92ppb
O3
0.54ppb
SO2
19.27ppb
NO2
0.31ppm
CO
AQI 25
Good
2.36μg/m³
PM2.5
11.09μg/m³
PM10
26.98ppb
O3
0.55ppb
SO2
21.22ppb
NO2
0.31ppm
CO
AQI 27
Good
4.59μg/m³
PM2.5
19.74μg/m³
PM10
19.34ppb
O3
0.46ppb
SO2
20.88ppb
NO2
0.32ppm
CO
AQI 19
Good
3.15μg/m³
PM2.5
13.48μg/m³
PM10
20.34ppb
O3
0.54ppb
SO2
16.86ppb
NO2
0.28ppm
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 08:00:00 on 2026-01-22.
In the last 24 hours, the best air quality in Zionsville, Indiana was observed at 04:00:00 on 2026-01-23.
As of now, the AQI in Zionsville, Indiana is 25, 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 3.538 μg/m3.
The PM10 concentration in Zionsville, Indiana is 19.445 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Zionsville, Indiana is 0.312 ppm.
Currently, Zionsville, Indiana has a sulfur dioxide (SO2) concentration of 0.576 ppb.
The current ozone (O3) level in Zionsville, Indiana at the moment is 27.399 ppm.
Nitrogen dioxide (NO2) level in Zionsville, Indiana at the moment is 17.514 ppb.
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