What is the air quality trend in Ostrowiec Świętokrzyski?

Over the past 13 days, Ostrowiec Świętokrzyski had an average AQI of 33 based on station measurements. The worst day was 2026-06-04 with AQI 57.

How is Ostrowiec Świętokrzyski air quality measured?

Air quality in Ostrowiec Świętokrzyski 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 Ostrowiec Świętokrzyski, Poland

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

Historical PM2.5 and AQI trend from monitoring stations near Ostrowiec Świętokrzyski, Poland.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

32h

PM2.5 Station

32h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	30	29–32	7.3 µg/m³	2h	1
2026-06-08	29	28–30	7.0 µg/m³	2h	1
2026-06-07	36	23–52	8.8 µg/m³	3h	1
2026-06-06	28	18–37	6.6 µg/m³	2h	1
2026-06-05	30	30–30	7.2 µg/m³	1h	1
2026-06-04	57	53–61	15.0 µg/m³	2h	1
2026-06-02	51	46–57	12.5 µg/m³	5h	1
2026-06-01	40	39–42	9.7 µg/m³	2h	1
2026-05-31	29	29–29	7.0 µg/m³	1h	1
2026-05-30	26	26–26	6.2 µg/m³	1h	1
2026-05-29	19	18–21	4.6 µg/m³	3h	1
2026-05-28	25	19–29	6.0 µg/m³	3h	1
2026-05-27	40	23–60	9.9 µg/m³	5h	1

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