What is the air quality trend in Fredericksburg?

Over the past 14 days, Fredericksburg had an average AQI of 59 based on station measurements. The worst day was 2026-07-17 with AQI 153.

How is Fredericksburg air quality measured?

Air quality in Fredericksburg 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 Fredericksburg, United States

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

250h

PM2.5 Station

250h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	46	11–92	12.4 µg/m³	15h	1
2026-07-20	63	15–162	20.0 µg/m³	21h	1
2026-07-19	64	16–153	20.4 µg/m³	17h	1
2026-07-18	91	10–182	40.8 µg/m³	18h	1
2026-07-17	153	31–264	100.2 µg/m³	18h	1
2026-07-16	114	25–271	59.9 µg/m³	23h	1
2026-07-15	41	8–80	10.3 µg/m³	19h	1
2026-07-14	39	12–90	9.9 µg/m³	17h	1
2026-07-13	46	17–258	18.9 µg/m³	19h	1
2026-07-12	42	13–68	10.5 µg/m³	19h	1
2026-07-11	33	1–60	8.1 µg/m³	15h	1
2026-07-10	29	10–51	7.0 µg/m³	12h	1
2026-07-09	32	7–56	7.8 µg/m³	18h	1
2026-07-08	34	15–59	8.3 µg/m³	19h	1

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