What is the air quality trend in Folkestone?

Over the past 14 days, Folkestone had an average AQI of 54 based on station measurements. The worst day was 2026-05-20 with AQI 74.

How is Folkestone air quality measured?

Air quality in Folkestone 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 Folkestone, United Kingdom

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

312h

PM2.5 Station

312h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	37	13–65	9.2 µg/m³	18h	3
2026-05-28	41	14–69	10.2 µg/m³	22h	3
2026-05-27	56	23–153	15.9 µg/m³	23h	3
2026-05-26	65	16–179	22.4 µg/m³	21h	3
2026-05-25	62	8–170	20.7 µg/m³	24h	3
2026-05-24	41	22–67	10.3 µg/m³	23h	3
2026-05-23	61	18–284	24.9 µg/m³	22h	3
2026-05-22	60	23–226	21.9 µg/m³	24h	3
2026-05-21	47	18–182	15.8 µg/m³	23h	3
2026-05-20	74	9–314	36.1 µg/m³	20h	3
2026-05-19	63	21–123	19.4 µg/m³	23h	4
2026-05-18	50	10–158	15.2 µg/m³	23h	3
2026-05-17	57	10–172	18.4 µg/m³	23h	3
2026-05-16	54	18–145	15.8 µg/m³	23h	3

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