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

Over the past 15 days, Chester-le-Street had an average AQI of 46 based on station measurements. The worst day was 2026-08-26 with AQI 72.

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 CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

229h

PM2.5 Station

229h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	30	20–51	7.1 µg/m³	9h	1
2026-09-04	46	17–90	12.2 µg/m³	19h	1
2026-09-03	45	8–98	12.7 µg/m³	16h	2
2026-09-02	39	8–67	9.8 µg/m³	16h	2
2026-09-01	46	10–152	12.8 µg/m³	18h	2
2026-08-31	35	10–57	8.5 µg/m³	19h	1
2026-08-30	41	10–93	10.9 µg/m³	16h	2
2026-08-29	51	2–156	15.4 µg/m³	18h	1
2026-08-28	43	8–88	11.6 µg/m³	15h	1
2026-08-27	58	22–164	18.3 µg/m³	17h	1
2026-08-26	72	38–164	23.5 µg/m³	16h	2
2026-08-25	52	24–84	14.5 µg/m³	16h	2
2026-08-24	36	17–61	9.0 µg/m³	14h	2
2026-08-23	35	21–59	8.6 µg/m³	16h	1
2026-08-22	70	36–159	25.1 µg/m³	4h	1

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