Montreal vs Boston

Live AQI Comparison

Updated 34m ago · Data from OpenAQ

Montreal

Canada

Good

PM2.58.4 µg/m³

PM10—

Boston

United States

Good

PM2.58 µg/m³

PM10—

Verdict

Montreal currently has worse air quality than Boston (AQI 2 points higher). Both cities have acceptable air quality levels.

Montreal vs Boston Air Quality Analysis

Based on the latest measurements, Montreal has an AQI of 35 compared to Boston's AQI of 33. 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 Montreal and Boston.

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Frequently Asked Questions

Which city has worse air quality today, Montreal or Boston?

Montreal currently has worse air quality with an AQI of 35 compared to Boston's AQI of 33. This data is updated hourly from government monitoring stations.

Is it safer to be in Montreal or Boston right now?

Based on current AQI levels, Boston (AQI 33) has safer air quality than Montreal (AQI 35). Both cities have acceptable air quality for outdoor activities.

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