What is the air quality trend in Ascot?

Over the past 15 days, Ascot had an average AQI of 46 based on station measurements. The worst day was 2026-07-17 with AQI 56.

How is Ascot air quality measured?

Air quality in Ascot 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 Ascot, United Kingdom

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

337h

PM2.5 Station

337h · 7 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	34	28–48	8.3 µg/m³	8.8	7h	19
2026-07-21	38	23–56	9.1 µg/m³	9.1	24h	28
2026-07-20	40	24–155	10.8 µg/m³	9.7	24h	25
2026-07-19	37	24–67	9.0 µg/m³	9.3	24h	25
2026-07-18	53	29–71	13.8 µg/m³	19.0	24h	24
2026-07-17	56	43–91	14.6 µg/m³	20.9	24h	24
2026-07-16	53	37–79	13.6 µg/m³	17.8	24h	22
2026-07-15	52	35–123	13.6 µg/m³	16.4	24h	22
2026-07-14	47	36–80	11.7 µg/m³	14.4	24h	22
2026-07-13	42	29–81	10.7 µg/m³	12.1	24h	22
2026-07-12	49	28–91	13.1 µg/m³	10.3	24h	21
2026-07-11	52	30–116	14.4 µg/m³	13.2	24h	20
2026-07-10	49	34–67	12.3 µg/m³	16.4	24h	22
2026-07-09	51	37–63	12.8 µg/m³	20.9	24h	23
2026-07-08	47	28–58	11.7 µg/m³	17.8	18h	22

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