What is the air quality trend in Clacton-on-Sea?

Over the past 15 days, Clacton-on-Sea had an average AQI of 63 based on station measurements. The worst day was 2026-05-20 with AQI 89.

How is Clacton-on-Sea air quality measured?

Air quality in Clacton-on-Sea 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 Clacton-on-Sea, United Kingdom

Name: Clacton-on-Sea Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Clacton-on-Sea, United Kingdom.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

325h

PM2.5 Station

325h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	52	16–157	16.1 µg/m³	20h	3
2026-05-28	52	34–83	13.4 µg/m³	23h	3
2026-05-27	59	13–142	16.9 µg/m³	24h	4
2026-05-26	68	20–204	24.1 µg/m³	23h	4
2026-05-25	70	32–212	24.9 µg/m³	24h	5
2026-05-24	43	22–105	11.3 µg/m³	23h	4
2026-05-23	44	17–105	11.9 µg/m³	23h	3
2026-05-22	63	17–180	22.7 µg/m³	24h	4
2026-05-21	60	22–183	22.5 µg/m³	23h	3
2026-05-20	89	14–500	50.9 µg/m³	24h	4
2026-05-19	88	16–174	32.4 µg/m³	24h	5
2026-05-18	60	11–175	20.4 µg/m³	24h	5
2026-05-17	71	6–175	24.5 µg/m³	23h	6
2026-05-16	65	23–154	19.9 µg/m³	21h	6
2026-05-15	67	52–82	19.8 µg/m³	2h	4

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