United States🌆 Cities📡 Open-Meteo🕒 Updated November 2, 2026

Cities With the Worst Air Quality in United States (2026)

As of November 2, 2026, “Seattle” leads Cities With the Worst Air Quality in United States with AQI 59. “Los Angeles” is second and “New York” third. Biggest climber: “Seattle” (▲2).

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🚫 No paid placement📡 Source: Open-Meteo🕒 Updated November 2, 2026 ⓘ How we measure

Highlights: 🚀 Rising fastest: Seattle📉 Falling fastest: Houston

Full ranking

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Seattle ▲2🏆 Leader🚀 Rising fastest

🇺🇸 4.5°C

AQI 59Air Quality Index

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Los Angeles ▲2

🇺🇸 16.4°C

AQI 49Air Quality Index

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New York ▼1

🇺🇸 16.3°C

AQI 45Air Quality Index

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Houston ▼3📉 Falling fastest

🇺🇸 25.5°C

AQI 35Air Quality Index

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Miami ▲1

🇺🇸 27.4°C

AQI 31Air Quality Index

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Chicago ▼1

🇺🇸 14.3°C

AQI 30Air Quality Index

How this ranking works

European Air Quality Index (EAQI) from atmospheric models. Higher means more polluted.

Methodology →

SourceOpen-Meteo

SignalAir Quality Index

Last updatedNov 2, 2026, 4:27 PM UTC

Top 10European Air Quality Index, higher is worse

How other countries compare

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IsraelRishon LeZion

Frequently asked questions

What is #1 in Cities With the Worst Air Quality in United States?

As of November 2, 2026, #1 is “Seattle”.

How is this ranking measured?

European Air Quality Index (EAQI) from atmospheric models. Higher means more polluted.

How often is this chart updated?

Data is re-collected automatically and every page shows its last update date.

Can a brand pay to appear in this ranking?

No. There are no paid placements and no commercial influence on rank.

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Cities With the Worst Air Quality in United States (2026)

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