Tucson, AZ Air Quality
Report & Trends
Analysis & History
The Verdict
This places Tucson, AZ in the bottom 13% of US cities for air quality.
Plan your outdoor activities carefully in July, the statistical peak for AQI spikes in AZ.
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.
If you live in Tucson, AZ, wildfire smoke is specifically a concern during July. Alarmingly, annual PM2.5 averages have climbed over the last decade, largely driven by wildfire smoke.
Seasonal Risk Calendar
The "Smoke Season" Calendar
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.
Coway AP-1512HH
The industry standard. Perfect for living rooms.

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 Tucson, AZ?
Based on 10 years of data, the worst months for air quality in Tucson, AZ are: July (AQI 81.1), June (AQI 76.1), May (AQI 74.7). These months typically see the highest concentrations of PM2.5 due to smoke from fires hundreds of miles away.
Is it safe to move to Tucson, AZ given the air quality?
Yes, but with caveats. Tucson, AZ offers an incredible quality of life, but new residents should be aware of the "smoke season." Most homes in the area need robust air filtration systems to maintain safe indoor levels during these few weeks a year.
Why is the air in Tucson, AZ getting worse?
The primary driver is climate-induced wildfire activity. While local vehicle emissions have largely stabilized, smoke from fires hundreds of miles away frequently settles in the Tucson, AZ valley, driving up the annual PM2.5 averages.
Do I really need an air purifier in Tucson, AZ?
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 Tucson, AZ 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.
Is Tucson, AZ 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
While we can't control the environment, we can control our indoor air. Tucson, AZ residents must adapt.