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)
44
Good
Zionsville, Indiana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.02 μg/m³
0
55
155
255
425
605+
24.20 ppb
0
55
71
86
201
201+
0.93 ppb
0
36
76
186
605
1005+
7.43 ppb
0
54
101
361
1250
2050+
0.27 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
7.73μg/m³
PM2.5
31.64μg/m³
PM10
28.71ppb
O3
0.65ppb
SO2
7.64ppb
NO2
0.26ppm
CO
AQI 38
Good
7.15μg/m³
PM2.5
28.76μg/m³
PM10
25.83ppb
O3
0.94ppb
SO2
6.97ppb
NO2
0.27ppm
CO
AQI 49
Good
8.76μg/m³
PM2.5
36.86μg/m³
PM10
21.73ppb
O3
0.84ppb
SO2
6.72ppb
NO2
0.26ppm
CO
AQI 38
Good
7.00μg/m³
PM2.5
36.63μg/m³
PM10
26.45ppb
O3
0.94ppb
SO2
7.08ppb
NO2
0.26ppm
CO
AQI 52
Moderate
9.92μg/m³
PM2.5
42.94μg/m³
PM10
23.17ppb
O3
0.92ppb
SO2
5.85ppb
NO2
0.28ppm
CO
AQI 44
Good
7.53μg/m³
PM2.5
29.99μg/m³
PM10
29.30ppb
O3
0.63ppb
SO2
7.69ppb
NO2
0.26ppm
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 03:00:00 on 2026-06-08.
In the last 24 hours, the best air quality in Zionsville, Indiana was observed at 09:00:00 on 2026-06-08.
As of now, the AQI in Zionsville, Indiana is 44, indicating Good conditions.
Zionsville, Indiana air has the highest levels of PM2.5.
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 7.817 μg/m3.
The PM10 concentration in Zionsville, Indiana is 37.019 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Zionsville, Indiana is 0.265 ppm.
Currently, Zionsville, Indiana has a sulfur dioxide (SO2) concentration of 0.932 ppb.
The current ozone (O3) level in Zionsville, Indiana at the moment is 24.202 ppm.
Nitrogen dioxide (NO2) level in Zionsville, Indiana at the moment is 7.433 ppb.
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