Portland vs Miami

Live AQI Comparison

Updated 3h ago · Data from OpenAQ

Portland

United States

Good

PM2.53.7 µg/m³

PM10—

Miami

United States

Good

PM2.50 µg/m³

PM10—

Verdict

Portland currently has worse air quality than Miami (AQI 15 points higher). Both cities have acceptable air quality levels.

Portland vs Miami Air Quality Analysis

Based on the latest measurements, Portland has an AQI of 15 compared to Miami's AQI of 0. 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 in both cities are within WHO guidelines. Outdoor activities can be enjoyed without air quality concerns.

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

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Portland Air Quality →

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Frequently Asked Questions

Which city has worse air quality today, Portland or Miami?

Portland currently has worse air quality with an AQI of 15 compared to Miami's AQI of 0. This data is updated hourly from government monitoring stations.

Is it safer to be in Portland or Miami right now?

Based on current AQI levels, Miami (AQI 0) has safer air quality than Portland (AQI 15). Both cities have acceptable air quality for outdoor activities.

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