Visalia, CA Air Quality
Report & Trends
Analysis & History
The Verdict
Compared to other metro areas, Visalia, CA scores poorly.
You are most likely to need an air purifier in July, when historical averages peak.
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.
Visalia, CA faces significant air quality challenges, ranking in the bottom tier of annual pollution scores. Since 2015, wildfire smoke days have trended downward, signaling a positive shift in local air hygiene.
Seasonal Risk Calendar
The "Smoke Season" Calendar
Values represent historical Average Monthly AQI (PM2.5). Higher is worse.
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Common Questions
When is the worst time for air quality in Visalia, CA?
Based on 10 years of data, the worst months for air quality in Visalia, CA are: July (AQI 138.7), June (AQI 113.0), September (AQI 109.9). 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 Visalia, CA given the air quality?
Yes, but with caveats. Visalia, CA 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.
Is the air quality in Visalia, CA improving?
Yes. Our 10-year analysis shows a positive trend. Despite regional wildfire challenges, average particulate levels in Visalia, CA have decreased, likely due to favorable weather patterns and reduced local emissions.
Do I really need an air purifier in Visalia, CA?
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 Visalia, CA 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 Visalia, CA 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 trend is undeniable. Cleaner air is possible, but it requires active management.