Atlanta vs San Diego

Live AQI Comparison

Updated 3h ago · Data from OpenAQ

Atlanta

United States

Moderate

PM2.519 µg/m³

PM10—

San Diego

United States

Good

PM2.59.1 µg/m³

PM1029 µg/m³

Verdict

Atlanta currently has worse air quality than San Diego (AQI 28 points higher). Both cities have acceptable air quality levels.

Atlanta vs San Diego Air Quality Analysis

Based on the latest measurements, Atlanta has an AQI of 66 compared to San Diego's AQI of 38. The World Health Organization (WHO) recommends annual PM2.5 levels below 15 µg/m³ and 24-hour levels below 45 µg/m³.

PM2.5 levels are within the "Moderate" range. Air quality is generally acceptable, though unusually sensitive individuals may experience minor symptoms.

Air quality can change rapidly due to weather patterns, traffic, and industrial activity. Check back hourly for the latest comparison between Atlanta and San Diego.

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Frequently Asked Questions

Which city has worse air quality today, Atlanta or San Diego?

Atlanta currently has worse air quality with an AQI of 66 compared to San Diego's AQI of 38. This data is updated hourly from government monitoring stations.

Is it safer to be in Atlanta or San Diego right now?

Based on current AQI levels, San Diego (AQI 38) has safer air quality than Atlanta (AQI 66). Both cities have acceptable air quality for outdoor activities.

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