What is the air quality trend in Hayes?

Over the past 19 days, Hayes had an average AQI of 20 based on station measurements. The worst day was with AQI .

How is Hayes air quality measured?

Air quality in Hayes 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 Hayes, United Kingdom

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

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

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

334h · 2 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-11	8	8–8	2.0 µg/m³	2.2	1h	2
2026-04-10	14	9–17	3.3 µg/m³	7.5	24h	20
2026-04-09	21	9–57	5.1 µg/m³	12.6	19h	17
2026-04-08	66	37–81	19.7 µg/m³	21.4	10h	18
2026-04-07	40	18–58	9.8 µg/m³	16.3	24h	22
2026-04-06	12	4–23	2.9 µg/m³	7.1	21h	17
2026-04-05	14	8–21	3.3 µg/m³	3.8	3h	1
2026-04-04	10	5–14	2.5 µg/m³	5.9	15h	19
2026-04-03	11	4–18	2.5 µg/m³	5.9	24h	22
2026-04-02	18	10–28	4.3 µg/m³	7.1	24h	20
2026-04-01	31	13–52	7.4 µg/m³	10.3	24h	20
2026-03-31	28	16–42	6.6 µg/m³	10.9	24h	21
2026-03-30	23	2–50	5.5 µg/m³	10.3	14h	17
2026-03-29	16	11–34	3.7 µg/m³	8.2	24h	21
2026-03-28	15	5–21	3.5 µg/m³	9.3	24h	20
2026-03-27	20	13–29	4.9 µg/m³	8.5	24h	22
2026-03-26	15	9–29	3.6 µg/m³	8.5	24h	21
2026-03-25	15	9–22	3.5 µg/m³	8.3	10h	15
2026-03-24	18	18–18	4.3 µg/m³	6.5	1h	1

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