What is the air quality trend in Grays?

Over the past 8 days, Grays had an average AQI of 62 based on station measurements. The worst day was 2026-05-24 with AQI 71.

How is Grays air quality measured?

Air quality in Grays 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 Grays, United Kingdom

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

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

Current AQI
Moderate 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	46	4–71	11.6 µg/m³	19.6	22h	36
2026-05-28	55	37–112	14.8 µg/m³	24.5	24h	37
2026-05-27	64	44–130	18.1 µg/m³	27.5	24h	42
2026-05-26	69	42–123	20.8 µg/m³	23.7	24h	45
2026-05-25	70	42–137	21.1 µg/m³	28.4	24h	50
2026-05-24	71	35–153	21.8 µg/m³	24.0	24h	40
2026-05-23	59	41–119	16.6 µg/m³	18.1	24h	42
2026-05-22	67	47–105	20.1 µg/m³	14.2	3h	28

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