Moderate Smoke Risk

Terre Haute, IN Air Quality Report & Trends

Analysis & History

The Verdict

Improving

Terre Haute, IN is currently ranked #160 out of 224 cities tracked.

Plan your outdoor activities carefully in July, the statistical peak for AQI spikes in IN.

Health Recommendation

Sensitive groups should consider monitoring daily forecast apps significantly closer.

10-Year Annual PM2.5 Average

Analysis: Annual average Median AQI from 2015 to 2025.

With a median PM2.5 score of 51, Terre Haute, IN residents frequently face "Moderate" to "Unhealthy" air days. Since 2015, particle pollution days have trended downward, signaling a positive shift in local air hygiene.

Seasonal Risk Calendar

The "Smoke Season" Calendar

Worst Month: July
Jan41.3
Feb53.3
Mar43.5
Apr44.5
May49.3
Jun53.4
Jul55.6
Aug48.4
Sep44.3
Oct52.4
Nov41.5
Dec43.5

Values represent historical Average Monthly AQI (PM2.5). Higher is worse.

Calculate Your Wildfire Defense

Don't guess. Enter your room size to see exactly which machine clears smoke in 15 minutes.

sq ft
Small Bedroom (100)Open Living (800+)
Required Smoke CADR: 192
Recommended

Coway AP-1512HH

The industry standard. Perfect for living rooms.

Coway AP-1512HH
Check Price on Amazon
Clears smoke in ~12.5 mins
As an Amazon Associate, we earn from qualifying purchases. We recommend these units based on independent CADR performance data, not commission.

Wildfire smoke is 2.5 microns wide—too small for normal filters. Using an undersized purifier is dangerous false security.

Common Questions

When is the worst time for air quality in Terre Haute, IN?

Based on 10 years of data, the worst months for air quality in Terre Haute, IN are: July (AQI 55.6), June (AQI 53.4), February (AQI 53.3). These months typically see the highest concentrations of PM2.5 due to fine particulate matter trapped by local geography.

Is it safe to move to Terre Haute, IN given the air quality?

Yes, but with caveats. Terre Haute, IN offers an incredible quality of life, but new residents should be aware of the "pollution season." Most homes in the area need robust air filtration systems to maintain safe indoor levels during these few weeks a year.

Is the air quality in Terre Haute, IN improving?

Yes. Our 10-year analysis shows a positive trend. Despite regional wildfire challenges, average particulate levels in Terre Haute, IN have decreased, likely due to favorable weather patterns and reduced local emissions.

Do I really need an air purifier in Terre Haute, IN?

Based on the 10-year analysis, absolutely. The levels of PM2.5 recorded during peak events are unsafe for indoor occupation without filtration. A CADR-rated purifier is considered essential appliance for Terre Haute, IN households.

How accurate is this data?

This report is built on official EPA Air Quality System (AQS) data. We aggregated daily summary files from 2014 to present to build these charts. Unlike real-time apps that estimate, this is the verified historical record.

Broader Risk Analysis

Is Terre Haute, IN safe from other disasters?

Air quality is just one factor. Check our sister site for a complete analysis of tornado, hurricane, and flood risks.

Full Safety Report →

Summary

Looking at the 10-year chart, the pattern is undeniable. Cleaner air is possible, but it requires active management.

Data VerifiedUpdated 2025