What is the air quality trend in Durham?

Over the past 8 days, Durham had an average AQI of 48 based on station measurements. The worst day was 2026-07-17 with AQI 79.

How is Durham air quality measured?

Air quality in Durham 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 Durham, United Kingdom

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

143h

PM2.5 Station

143h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	30	12–54	7.2 µg/m³	4h	2
2026-07-21	42	15–182	13.5 µg/m³	22h	2
2026-07-20	34	3–80	8.8 µg/m³	22h	2
2026-07-19	51	2–162	15.0 µg/m³	22h	2
2026-07-18	41	2–93	10.8 µg/m³	22h	2
2026-07-17	79	32–485	40.4 µg/m³	18h	2
2026-07-16	49	12–84	12.9 µg/m³	20h	2
2026-07-15	64	36–131	18.8 µg/m³	13h	2

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