What is the air quality trend in Culpeper?

Over the past 8 days, Culpeper had an average AQI of 78 based on station measurements. The worst day was 2026-07-17 with AQI 173.

How is Culpeper air quality measured?

Air quality in Culpeper 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 Culpeper, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

155h

PM2.5 Station

155h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	29	17–47	6.8 µg/m³	3h	3
2026-07-21	41	7–81	11.1 µg/m³	20h	2
2026-07-20	71	12–157	22.6 µg/m³	21h	3
2026-07-19	56	8–117	16.3 µg/m³	22h	3
2026-07-18	97	9–182	38.1 µg/m³	23h	3
2026-07-17	173	42–256	105.0 µg/m³	23h	3
2026-07-16	100	13–450	52.9 µg/m³	24h	3
2026-07-15	57	20–132	16.5 µg/m³	19h	3

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