What is the air quality trend in Cheltenham?

Over the past 15 days, Cheltenham had an average AQI of 49 based on station measurements. The worst day was 2026-05-17 with AQI 79.

How is Cheltenham air quality measured?

Air quality in Cheltenham 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 Cheltenham, United Kingdom

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

316h

PM2.5 Station

316h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	46	8–360	23.0 µg/m³	19h	2
2026-05-28	35	10–65	8.5 µg/m³	24h	2
2026-05-27	58	29–115	15.8 µg/m³	24h	3
2026-05-26	52	23–151	14.5 µg/m³	24h	3
2026-05-25	46	15–167	14.0 µg/m³	24h	3
2026-05-24	41	11–195	15.0 µg/m³	21h	2
2026-05-23	51	11–134	14.9 µg/m³	22h	2
2026-05-22	36	1–88	9.7 µg/m³	23h	2
2026-05-21	39	14–157	11.5 µg/m³	23h	3
2026-05-20	41	2–141	12.4 µg/m³	23h	3
2026-05-19	53	8–144	15.9 µg/m³	21h	3
2026-05-18	64	13–225	26.2 µg/m³	22h	3
2026-05-17	79	5–199	29.2 µg/m³	24h	4
2026-05-16	54	1–116	16.0 µg/m³	21h	4
2026-05-15	50	50–50	11.9 µg/m³	1h	2

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