What is the air quality trend in Braintree?

Over the past 8 days, Braintree had an average AQI of 39 based on station measurements. The worst day was 2026-08-03 with AQI 52.

How is Braintree air quality measured?

Air quality in Braintree 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 Braintree, United Kingdom

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 15 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	35	23–50	8.4 µg/m³	7.5	4h	20
2026-08-07	38	19–59	9.3 µg/m³	10.7	24h	17
2026-08-06	36	22–64	8.7 µg/m³	10.3	24h	20
2026-08-05	40	24–138	10.5 µg/m³	10.3	24h	22
2026-08-04	41	24–70	10.2 µg/m³	14.7	24h	19
2026-08-03	52	30–150	13.4 µg/m³	17.1	24h	20
2026-08-02	38	25–64	9.1 µg/m³	12.1	24h	19
2026-08-01	35	25–52	8.5 µg/m³	10.5	18h	18

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