Larwill, Indiana Air Quality
Larwill has a median AQI of 38, earning an air quality grade of A — excellent air quality that ranks better than 70% of US cities. Air quality has remained relatively stable over the past decade. Particulate matter (PM2.5) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2025, Larwill recorded 165 good air quality days (66% of monitored days) and 2 unhealthy days.
Population: 425 • County: Whitley
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Quick Facts
| Current AQI | 11 — Good |
| Air Quality Grade | A |
| Median AQI (2025) | 38 |
| vs. U.S. Cities | Better than 70% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 2 |
| 10-Year Trend | → Stable |
| Data Source | EPA AirNow |
Health Recommendation
Air quality is satisfactory, and air pollution poses little or no risk.
It's a great day to be active outside!
5-Day AQI Forecast
Last 30 Days
Current Pollutant Levels
Real-time data from EPA AirNow
AQI Trend (10 Years)
Air Quality Days by Year
2025 Air Quality Summary
Primary Pollutant Days (2025)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Larwill Air Quality
What is the air quality in Larwill today?
The current AQI in Larwill is 11, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Larwill getting better or worse?
Air quality in Larwill has remained relatively stable over the past decade, with a median AQI of around 38.
What is the most common air pollutant in Larwill?
PM2.5 is the primary air pollutant in Larwill, responsible for the most air quality-impacted days in 2025. Particulate matter can originate from vehicle exhaust, wildfires, and industrial emissions.
How many unhealthy air days does Larwill have per year?
In 2025, Larwill had 2 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 165 good days and 84 moderate days out of 251 days monitored.
What air quality grade does Larwill receive?
Larwill receives an air quality grade of A, placing it better than 70% of US cities. This grade is based on a median AQI of 38 for 2025, derived from EPA monitoring data.
Air Quality Grade
Better than 70% of US cities
Nearby Cities
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National Rankings
See how Larwill compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Larwill
Based on your area's air quality (median AQI: 38), we recommend these air purifiers to help protect your health indoors.
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Molekule Air Pro
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Blueair Blue Pure 211+
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Dyson Pure Cool TP04
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