What is the air quality trend in Redhill?

Over the past 8 days, Redhill had an average AQI of 57 based on station measurements. The worst day was 2026-05-22 with AQI 74.

How is Redhill air quality measured?

Air quality in Redhill 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 Redhill, United Kingdom

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

169h

PM2.5 Station

169h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	42	6–60	10.2 µg/m³	20.5	21h	37
2026-05-28	52	37–115	13.3 µg/m³	25.6	24h	36
2026-05-27	59	37–111	16.4 µg/m³	25.9	24h	42
2026-05-26	63	35–123	17.9 µg/m³	22.9	24h	44
2026-05-25	67	41–138	20.0 µg/m³	29.9	24h	50
2026-05-24	55	30–87	14.9 µg/m³	24.4	24h	36
2026-05-23	47	33–76	11.8 µg/m³	18.3	24h	40
2026-05-22	74	38–158	25.8 µg/m³	14.4	4h	34

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