What is the air quality trend in Chester-le-Street?

Over the past 15 days, Chester-le-Street had an average AQI of 45 based on station measurements. The worst day was 2026-07-17 with AQI 64.

How is Chester-le-Street air quality measured?

Air quality in Chester-le-Street 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 Chester-le-Street, United Kingdom

Name: Chester-le-Street Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Chester-le-Street, United Kingdom.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

310h

PM2.5 Station

310h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	41	22–76	11.0 µg/m³	7h	3
2026-07-21	45	18–182	14.0 µg/m³	23h	3
2026-07-20	31	9–60	7.7 µg/m³	23h	2
2026-07-19	40	11–70	10.1 µg/m³	22h	3
2026-07-18	41	22–61	10.0 µg/m³	23h	3
2026-07-17	64	4–172	20.4 µg/m³	22h	2
2026-07-16	48	1–158	13.8 µg/m³	23h	3
2026-07-15	60	28–158	16.9 µg/m³	22h	2
2026-07-14	54	18–169	15.9 µg/m³	22h	2
2026-07-13	43	12–84	11.2 µg/m³	22h	3
2026-07-12	46	21–123	12.8 µg/m³	22h	2
2026-07-11	43	19–172	13.0 µg/m³	22h	3
2026-07-10	40	11–62	9.9 µg/m³	23h	3
2026-07-09	40	17–55	9.8 µg/m³	21h	3
2026-07-08	46	30–64	11.4 µg/m³	13h	3

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