Explore daily AQI records for cities, ZIP codes, and metro areas across the U.S.
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Metro area · Daily monitor aggregate
Why this source? This result has strong daily monitoring coverage.
2026
—Median AQI
—Maximum AQI
0Days above 50
0Days above 100
Daily AQI calendar
Each square is one day. Higher values mean greater health concern.
JanFebMarAprMayJunJulAugSepOctNovDec
Lower impactHigher impactNo data
Historical view
Each strip condenses a full year into daily AQI. Select a year to inspect it above.
Annual trend
Median and P90 AQI summarize each year; the bars count days above 100.
MedianP90
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
P90 / median AQIDays above 100