Air Quality in Indianapolis, United States

Clear
30.3°C · 47.5% humidity
30.3°
Feels 33.0°
61
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast
27 10am
27
27
61 1pm
51
44
40 4pm
34
31
30 7pm
28
27
27 10pm
26
26
26 1am
24
24
24 4am
24
24
24 7am
25
24
AD 728×90

Air Quality Index Trend

36h · 4 stn

Indianapolis's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Indianapolis is 1.1× the WHO 24-hour guideline of 15 µg/m³.

47.5%
Humidity
15.3 km/h
Wind ENE
1012.4 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
61
16.9 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Indianapolis?

Temperature & Precipitation

PM2.5 Trend

36h · 4 stations
PM2.516.9 µg/m³ ×1.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
16.9
Median
16.85
Average
16.4
Low
17.3
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -10.4
Both models agree Avg diff: 3.4°C

Where are air quality stations near Indianapolis?

69
Indpls - I-70 E, Indiana, USA
3.2 km PM2.5: 20.7 µg/m³
62
Indpls-W.18th St, Indiana, USA
5.4 km PM2.5: 17.3 µg/m³
60
Indpls-Washington Park, Indiana, USA
6.0 km PM2.5: 16.4 µg/m³

What cities are near Indianapolis?

59 Broad Ripple 58 Lawrence 61 Greenwood 61 Fairfield Heights 61 Avon 62 Plainfield 61 Brownsburg 61 Zionsville 53 Carmel 41 Fishers
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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 2026-07-21T17:13 UTC.