What is the air quality trend in Witham?

Over the past 8 days, Witham had an average AQI of 55 based on station measurements. The worst day was 2026-06-06 with AQI 64.

How is Witham air quality measured?

Air quality in Witham 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 Witham, United Kingdom

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 8 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	38	17–70	10.4 µg/m³	7.8	5h	10
2026-06-08	57	30–139	16.0 µg/m³	5.5	24h	13
2026-06-07	50	30–76	13.4 µg/m³	8.4	24h	12
2026-06-06	64	26–153	19.1 µg/m³	6.2	24h	12
2026-06-05	58	32–116	16.6 µg/m³	7.4	24h	12
2026-06-04	62	32–93	18.0 µg/m³	5.5	24h	13
2026-06-03	62	11–162	19.2 µg/m³	6.1	24h	13
2026-06-02	54	25–79	14.9 µg/m³	5.2	18h	12

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