What is the air quality trend in Manassas Park?

Over the past 7 days, Manassas Park had an average AQI of 89 based on station measurements. The worst day was 2026-07-17 with AQI 169.

How is Manassas Park air quality measured?

Air quality in Manassas Park 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 Manassas Park, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 31 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	52	28–78	14.2 µg/m³	24h	30
2026-07-20	68	58–86	20.4 µg/m³	24h	31
2026-07-19	65	36–86	18.9 µg/m³	24h	32
2026-07-18	130	58–163	50.3 µg/m³	24h	33
2026-07-17	169	57–220	99.8 µg/m³	24h	34
2026-07-16	87	53–220	33.8 µg/m³	24h	33
2026-07-15	52	43–79	13.3 µg/m³	22h	33

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