What is the air quality trend in Brentwood?

Over the past 8 days, Brentwood had an average AQI of 47 based on station measurements. The worst day was 2026-06-07 with AQI 51.

How is Brentwood air quality measured?

Air quality in Brentwood 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 Brentwood, United Kingdom

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 20 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	48	23–70	12.1 µg/m³	10.3	14h	24
2026-06-08	45	20–79	11.7 µg/m³	7.9	24h	25
2026-06-07	51	29–152	13.3 µg/m³	12.8	24h	26
2026-06-06	48	28–93	12.4 µg/m³	8.6	24h	24
2026-06-05	47	25–73	11.8 µg/m³	11.6	24h	24
2026-06-04	46	28–134	12.2 µg/m³	9.1	24h	25
2026-06-03	49	23–82	12.9 µg/m³	9.7	24h	25
2026-06-02	46	35–56	11.2 µg/m³	9.4	9h	28

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