What is the air quality trend in Siemianowice Śląskie?

Over the past 15 days, Siemianowice Śląskie had an average AQI of 45 based on station measurements. The worst day was 2026-10-14 with AQI 63.

How is Siemianowice Śląskie air quality measured?

Air quality in Siemianowice Śląskie 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 Siemianowice Śląskie, Poland

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

Historical PM2.5 and AQI trend from monitoring stations near Siemianowice Śląskie, Poland.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

297h

PM2.5 Station

297h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	47	23–63	12.2 µg/m³	6h	2
2026-10-20	46	9–82	12.0 µg/m³	20h	2
2026-10-19	55	11–80	15.0 µg/m³	20h	2
2026-10-18	63	17–115	19.4 µg/m³	23h	2
2026-10-17	61	27–112	18.0 µg/m³	19h	2
2026-10-16	53	13–87	15.6 µg/m³	20h	2
2026-10-15	43	15–75	11.1 µg/m³	21h	2
2026-10-14	63	19–126	19.5 µg/m³	21h	2
2026-10-13	45	4–69	12.1 µg/m³	20h	2
2026-10-12	39	11–71	9.9 µg/m³	21h	2
2026-10-11	26	12–50	6.2 µg/m³	21h	2
2026-10-10	20	5–29	4.7 µg/m³	23h	2
2026-10-09	21	12–29	5.0 µg/m³	23h	2
2026-10-08	46	21–67	11.9 µg/m³	22h	2
2026-10-07	54	25–91	14.5 µg/m³	17h	2

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