What is the air quality in Zionsville today?

The current Air Quality Index (AQI) in Zionsville is 51 (Moderate). PM2.5 concentration is 12.05 µg/m³.

What is the temperature in Zionsville right now?

The current temperature in Zionsville is 27.7°C (feels like 31.0°C). Humidity is 60.1% and wind speed is 35.5 km/h.

Air Quality in Zionsville, United States

Partly Cloudy

27.7°C · 60.1% humidity

27.7°

Feels 31.0°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

2 stations

Nearby Monitoring Stations

AQI Forecast

25 1pm

51 4pm

35 7pm

28 10pm

25 1am

24 4am

25 7am

25 10am

Air Quality Index Trend

27h · 2 stn

View full history →

Zionsville's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

60.1%

Humidity

35.5 km/h

Wind NE

1013.0 hPa

Pressure

17.4

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

12.05 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Zionsville?

Temperature & Precipitation

PM2.5 Trend

27h · 2 stations

PM2.512.05 µg/m³ ✓ WHO

Moderate

PM1020.55 µg/m³

Good

UV INDEX17.4

Extreme

Station readings (2 stations within 25 km)

12.05

Median

12.05

Average

12.0

Low

12.1

High

PM2.5 µg/m³ · Model: 9.75 · Bias: -2.3

What is the 7-day forecast for Zionsville?

07-21

27.7° 21.0°

3.13 mm

07-22

24.5° 20.2°

0.81 mm

07-23

21.4° 15.4°

2.5 mm

07-24

26.2° 15.2°

0.19 mm

07-25

25.2° 17.5°

1.06 mm

07-26

26.6° 19.2°

2.19 mm

07-27

26.7° 20.5°

2.38 mm

Both models agree Avg diff: 3.4°C

Where are air quality stations near Zionsville?

Indpls-W.18th St, Indiana, USA

18.5 km PM2.5: 10.3 µg/m³

Indpls-Washington Park, Indiana, USA

20.0 km PM2.5: 12.1 µg/m³

Indpls - I-70 E, Indiana, USA

21.3 km PM2.5: 16.4 µg/m³

What cities are near Zionsville?

50 Carmel 50 Broad Ripple 54 Westfield 51 Brownsburg 51 Fairfield Heights 50 Fishers 51 Indianapolis 50 Lawrence 51 Avon 44 Noblesville

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T20:30 UTC.