What is the air quality trend in Langley Park?

Over the past 8 days, Langley Park had an average AQI of 32 based on station measurements. The worst day was 2026-08-01 with AQI 46.

How is Langley Park air quality measured?

Air quality in Langley 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 Langley Park, United States

Name: Langley 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 Langley Park, United States.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 29 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	24	22–28	5.8 µg/m³	7h	25
2026-08-07	27	18–40	6.4 µg/m³	24h	26
2026-08-06	44	26–55	10.5 µg/m³	24h	24
2026-08-05	23	15–29	5.5 µg/m³	24h	23
2026-08-04	30	21–55	7.1 µg/m³	24h	25
2026-08-03	31	18–52	7.4 µg/m³	23h	25
2026-08-02	34	26–55	8.3 µg/m³	24h	26
2026-08-01	46	34–55	11.1 µg/m³	14h	27

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