Indianapolis: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

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Latest air quality data: Indianapolis
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Pollution and air quality forecast for Indianapolis. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Indianapolis:
  1. particulate matter (PM2.5) dust - 8 (Good)
  2. particulate matter (PM10) suspended dust - 9 (Good)
  3. ozone (O3) - 64 (Good)
  4. nitrogen dioxide (NO2) - 21 (Good)
  5. sulfur dioxide (SO2) - 2 (Good)
  6. carbon monoxide (CO) - 236 (Good)
Real-time Air Quality Index (AQI) for Indianapolis, Wednesday, August 26, 2026: 1.

air quality index: 0
AQI 1 Good

What is the air quality in Indianapolis today? Is the air polluted in Indianapolis?. Is there smog?

Today (Wednesday, August 26, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Indianapolis.


What is the current level of PM2.5 in Indianapolis? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 8 (Good) For comparison, the highest level of PM2.5 in Indianapolis in the last 7 days was: 13 (Tuesday, August 25, 2026) and the lowest: 4 (Sunday, August 23, 2026).

What is the level of PM10 today in Indianapolis? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Indianapolis is: 9 (Good)

How is the O3 level today in Indianapolis? (ozone (O3))
64 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
21 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
2 (Good)

How high is the CO level? (carbon monoxide (CO))
236 (Good)



Current data Wednesday, August 26, 2026 at 9:00 PM

PM2,5 8 (Good)

PM10 9 (Good)

O3 64 (Good)

NO2 21 (Good)

SO2 2 (Good)

CO 236 (Good)

Data on air pollution from recent days in Indianapolis

index 2026-08-26 2026-08-25 2026-08-24 2026-08-23 2026-08-22 2026-08-21 2026-08-20 2026-08-19
pm25 5
Good		 13
Moderate		 12
Good		 4
Good		 9
Good		 11
Good		 8
Good		 6
Good
pm10 6
Good		 13
Good		 12
Good		 5
Good		 9
Good		 11
Good		 8
Good		 6
Good
o3 80
Moderate		 59
Good		 48
Good		 57
Good		 66
Good		 61
Good		 67
Good		 72
Moderate
no2 13
Good		 25
Good		 18
Good		 8
Good		 14
Good		 16
Good		 10
Good		 9
Good
so2 3
Good		 3
Good		 2
Good		 2
Good		 2
Good		 2
Good		 2
Good		 2
Good
co 195
Good		 229
Good		 231
Good		 163
Good		 195
Good		 254
Good		 221
Good		 207
Good
data source »

Indianapolis

Wednesday, August 26, 2026 at 9:00 PM

PM2,5 8.4 (Good)

particulate matter (PM2.5) dust

PM10 8.8 (Good)

particulate matter (PM10) suspended dust

O3 64 (Good)

ozone (O3)

NO2 21 (Good)

nitrogen dioxide (NO2)

SO2 2.2 (Good)

sulfur dioxide (SO2)

CO 236 (Good)

carbon monoxide (CO)

Indianapolis

index 2026-08-19 2026-08-20 2026-08-21 2026-08-22 2026-08-23 2026-08-24 2026-08-25 2026-08-26
pm25 5.7 7.7 11 9.1 4.5 12 13 5.4
pm10 6 8.1 11 9.2 4.7 12 13 5.6
o3 72 67 61 66 57 48 59 80
no2 9.1 10 16 14 8.3 18 25 13
so2 2.5 2 2 2.2 2.2 2.3 2.5 2.8
co 207 221 254 195 163 231 229 195

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — United States

🌦️ WEATHER · 16-DAY FORECASTUnited States🌧️28°RainToday · ↑30° ↓19°💨 7 km/h · 💧 66%Mon24.08🌧️30°19°Tue25.08🌤️32°21°Wed26.08🌧️33°23°Thu27.08☁️36°20°Fri28.08☀️38°19°Sat29.08🌤️40°20°Sun30.08🌧️42°21°Mon31.08🌧️42°29°Tue1.09🌧️41°24°Wed2.09☀️41°26°Thu3.09☀️40°28°Fri4.09🌧️39°28°Sat5.09🌧️24°21°Sun6.09🌧️36°20°Mon7.09☀️39°25°Tue8.09🌧️39°23°pollution-alert.com · August 27, 2026

16-day weather forecast for United States: today around 30°C (rain), lows near 19°C. Daily temperature and conditions, updated every day. Strong wind (about 25 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — United States

☀️ UV INDEX · 16-DAY FORECASTUnited States03681111+7.3UV HIGHtoday, day maxSPF 30-50, hat and sunglasses are a must. Better tostay in the shade 11:00-15:00.⏱ Unprotected fair skin can burn in about 25 min7Wed26.087Thu27.087Fri28.087Sat29.087Sun30.087Mon31.087Tue1.097Wed2.092Thu3.095Fri4.098Sat5.096Sun6.097Mon7.095Tue8.097Wed9.097Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

The UV index in United States today is 7.3 (high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Indianapolis — compare nearby locations.

Frequently asked questions

Is the air safe to breathe in Indianapolis today?
The current average PM2.5 across Indianapolis is about 8 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.
What is the current PM2.5 level in Indianapolis?
Right now PM2.5 in Indianapolis averages about 8 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.
Which day last week had the worst air in Indianapolis?
Over the past week, the highest daily PM2.5 in Indianapolis was recorded on Tuesday, August 25 (about 13 µg/m³).
What is the UV index in Indianapolis today?
The UV index in Indianapolis today is 7.3 (high) — unprotected fair skin can burn in about 25 minutes.
Does today's wind help disperse smog in Indianapolis?
Strong wind (about 25 km/h) is actively clearing smog and dust away.
How is air quality measured?
Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.