What is the air quality trend in St Albans?

Over the past 8 days, St Albans had an average AQI of 51 based on station measurements. The worst day was 2026-06-05 with AQI 56.

How is St Albans air quality measured?

Air quality in St Albans 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 St Albans, United Kingdom

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 16 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	48	20–76	12.7 µg/m³	8.9	13h	23
2026-06-08	49	20–74	12.7 µg/m³	7.3	24h	25
2026-06-07	48	26–61	12.0 µg/m³	11.0	24h	25
2026-06-06	53	31–153	14.3 µg/m³	7.5	24h	25
2026-06-05	56	27–148	15.1 µg/m³	9.9	24h	24
2026-06-04	55	37–129	14.6 µg/m³	8.3	24h	25
2026-06-03	54	12–96	14.3 µg/m³	8.5	24h	24
2026-06-02	52	34–63	13.3 µg/m³	7.6	9h	29

Back to St Albans Air Quality