What is the air quality trend in Chorley?

Over the past 8 days, Chorley had an average AQI of 61 based on station measurements. The worst day was 2026-05-25 with AQI 90.

How is Chorley air quality measured?

Air quality in Chorley 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 Chorley, United Kingdom

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 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	38	15–63	9.6 µg/m³	3.6	8h	7
2026-05-29	60	24–167	19.1 µg/m³	2.1	24h	8
2026-05-28	56	35–84	15.5 µg/m³	8.9	24h	9
2026-05-27	55	30–99	14.9 µg/m³	3.7	24h	11
2026-05-26	72	35–168	23.5 µg/m³	10.1	24h	11
2026-05-25	90	44–176	33.2 µg/m³	4.2	24h	13
2026-05-24	48	26–96	12.5 µg/m³	5.3	24h	10
2026-05-23	75	28–172	26.1 µg/m³	3.4	15h	13

Back to Chorley Air Quality