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

Over the past 21 days, Chester-le-Street had an average AQI of 59 based on station measurements. The worst day was 2026-05-24 with AQI 100.

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

247h

PM2.5 Station

247h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	28	14–68	7.2 µg/m³	7h	1
2026-06-08	30	12–61	7.3 µg/m³	19h	1
2026-06-07	74	23–167	26.8 µg/m³	9h	1
2026-06-06	39	8–73	10.3 µg/m³	12h	1
2026-06-05	89	32–282	39.1 µg/m³	15h	1
2026-06-04	63	21–160	20.4 µg/m³	14h	1
2026-06-03	51	4–137	15.3 µg/m³	17h	1
2026-06-02	54	7–157	18.0 µg/m³	13h	1
2026-06-01	45	14–87	12.7 µg/m³	11h	1
2026-05-31	54	22–104	16.5 µg/m³	10h	1
2026-05-30	42	9–87	11.6 µg/m³	10h	1
2026-05-29	68	12–133	21.6 µg/m³	14h	1
2026-05-28	55	10–185	23.2 µg/m³	9h	1
2026-05-27	45	8–78	12.0 µg/m³	11h	1
2026-05-26	62	10–167	21.6 µg/m³	12h	1
2026-05-25	77	7–161	28.1 µg/m³	11h	1
2026-05-24	100	19–199	49.5 µg/m³	12h	1
2026-05-23	57	10–173	20.5 µg/m³	12h	1
2026-05-22	76	14–178	33.7 µg/m³	12h	1
2026-05-21	44	4–148	13.3 µg/m³	10h	1
2026-05-20	89	7–191	45.7 µg/m³	7h	1

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