What is the air quality trend in Landover?

Over the past 15 days, Landover had an average AQI of 59 based on station measurements. The worst day was 2026-07-17 with AQI 166.

How is Landover air quality measured?

Air quality in Landover 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 Landover, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	24	23–26	5.9 µg/m³	2h	16
2026-07-21	52	30–74	14.4 µg/m³	24h	28
2026-07-20	69	57–80	20.4 µg/m³	24h	27
2026-07-19	66	36–144	19.6 µg/m³	24h	29
2026-07-18	129	58–157	49.4 µg/m³	24h	29
2026-07-17	166	72–225	97.9 µg/m³	24h	30
2026-07-16	65	55–166	19.4 µg/m³	24h	28
2026-07-15	51	38–82	12.9 µg/m³	24h	29
2026-07-14	40	32–52	9.6 µg/m³	24h	28
2026-07-13	37	30–45	8.9 µg/m³	24h	28
2026-07-12	41	29–50	9.9 µg/m³	24h	27
2026-07-11	43	29–52	10.4 µg/m³	24h	22
2026-07-10	43	27–63	10.9 µg/m³	24h	27
2026-07-09	34	25–40	8.2 µg/m³	24h	28
2026-07-08	38	27–48	9.0 µg/m³	21h	29

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