What is the air quality trend in Legnano?

Over the past 15 days, Legnano had an average AQI of 42 based on station measurements. The worst day was 2026-09-03 with AQI 60.

How is Legnano air quality measured?

Air quality in Legnano 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 Legnano, Italy

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

Historical PM2.5 and AQI trend from monitoring stations near Legnano, Italy.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-05	48	24–80	12.6 µg/m³	12.7	19h	2
2026-09-04	49	11–94	13.1 µg/m³	16.0	24h	2
2026-09-03	60	34–157	17.0 µg/m³	20.4	24h	2
2026-09-02	47	25–75	12.1 µg/m³	15.4	24h	2
2026-09-01	43	25–68	10.6 µg/m³	13.8	24h	3
2026-08-31	46	14–211	17.1 µg/m³	14.0	24h	2
2026-08-30	32	8–67	7.9 µg/m³	6.3	24h	2
2026-08-29	44	12–68	11.0 µg/m³	11.7	23h	2
2026-08-28	51	23–88	13.5 µg/m³	12.9	24h	3
2026-08-27	51	41–65	12.7 µg/m³	14.3	24h	4
2026-08-26	43	12–61	10.5 µg/m³	10.0	24h	3
2026-08-25	41	16–63	10.3 µg/m³	8.6	24h	3
2026-08-24	29	15–44	6.9 µg/m³	6.4	24h	3
2026-08-23	24	6–64	6.0 µg/m³	3.8	24h	3
2026-08-22	28	21–36	6.6 µg/m³	3.2	3h	4

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