What is the air quality trend in Horwich?

Over the past 8 days, Horwich had an average AQI of 52 based on station measurements. The worst day was 2026-05-25 with AQI 77.

How is Horwich air quality measured?

Air quality in Horwich 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 Horwich, United Kingdom

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

Historical PM2.5 and AQI trend from monitoring stations near Horwich, United Kingdom.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	28	14–37	6.7 µg/m³	2.9	5h	7
2026-05-29	46	20–91	12.4 µg/m³	2.1	24h	8
2026-05-28	52	26–97	13.8 µg/m³	8.9	24h	10
2026-05-27	52	27–105	14.5 µg/m³	3.7	24h	10
2026-05-26	68	33–171	21.5 µg/m³	10.1	24h	11
2026-05-25	77	32–161	25.7 µg/m³	4.2	24h	13
2026-05-24	39	24–74	10.1 µg/m³	5.3	24h	9
2026-05-23	60	29–160	18.1 µg/m³	3.5	19h	11

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