What is the air quality trend in Centreville?

Over the past 7 days, Centreville had an average AQI of 88 based on station measurements. The worst day was 2026-07-17 with AQI 168.

How is Centreville air quality measured?

Air quality in Centreville 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 Centreville, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	52	25–75	14.2 µg/m³	24h	29
2026-07-20	69	58–83	20.5 µg/m³	24h	30
2026-07-19	64	38–89	18.6 µg/m³	24h	31
2026-07-18	131	58–161	51.1 µg/m³	24h	32
2026-07-17	168	56–224	99.6 µg/m³	24h	33
2026-07-16	86	54–196	32.5 µg/m³	24h	31
2026-07-15	52	43–79	13.3 µg/m³	23h	33

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