What is the air quality trend in Amersham on the Hill?

Over the past 8 days, Amersham on the Hill had an average AQI of 8 based on station measurements. The worst day was 2026-08-30 with AQI 20.

How is Amersham on the Hill air quality measured?

Air quality in Amersham on the Hill 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 Amersham on the Hill, United Kingdom

Name: Amersham on the Hill Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Amersham on the Hill, United Kingdom.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

109h

PM2.5 Station

109h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-05	6	2–14	1.4 µg/m³	1.6	11h	1
2026-09-04	3	1–4	0.8 µg/m³	1.0	6h	1
2026-09-03	17	3–105	5.1 µg/m³	6.9	18h	1
2026-09-02	5	2–10	1.1 µg/m³	1.7	21h	1
2026-09-01	5	2–9	1.2 µg/m³	1.3	15h	1
2026-08-31	5	1–13	1.1 µg/m³	1.7	13h	1
2026-08-30	20	4–312	13.0 µg/m³	14.3	23h	1
2026-08-29	4	4–4	1.0 µg/m³	1.0	2h	1

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