What is the air quality trend in Addison?

Over the past 8 days, Addison had an average AQI of 99 based on station measurements. The worst day was 2026-07-17 with AQI 232.

How is Addison air quality measured?

Air quality in Addison is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Addison, United States

Name: Addison Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Addison, United States.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 5 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	30	27–32	7.0 µg/m³	2h	140
2026-07-21	62	32–97	18.2 µg/m³	24h	264
2026-07-20	98	59–106	34.1 µg/m³	24h	255
2026-07-19	111	59–160	40.6 µg/m³	24h	265
2026-07-18	50	26–89	12.9 µg/m³	24h	265
2026-07-17	232	69–357	178.7 µg/m³	24h	278
2026-07-16	154	52–328	100.5 µg/m³	24h	259
2026-07-15	56	52–126	14.4 µg/m³	22h	269

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