SmogRank / Poland / Silesia

Air quality in Żywiec

Silesia, Poland. PM2.5 from 1 reference monitor, updated hourly.

27.8 µg/m³
Moderate

Latest hour (21:00 UTC), 1.9× the WHO 24-hour guideline.

Rank

24 h
–
not enough data
7 days
#300
of 2,330 · 13.3 µg/m³
30 days
#482
of 2,327 · 9.0 µg/m³
Year
#154
of 2,160 · 27.7 µg/m³

Why it ranks here

Seasonal. Over the past year its worst months were January, December, averaging up to 68.6 µg/m³ against 8.1 in its cleanest month. Seasonal peaks usually come from heating, crop burning, fire or dust seasons.

Based on Żywiec's own measurements; causes are the usual kinds for a pattern like this, not a confirmed source.

Last 4 days, hour by hour

15302026-09-30 21:00 UTC: 27.8 µg/m³Sep 28Sep 29Sep 30Oct 1

Times in UTC. Dashed line: WHO 24-hour guideline (15 µg/m³).

Every day for a year

SepNovDecJanFebMarAprMayJunJulAugSepMonWedFri2025-09-29: 7.4 µg/m³2025-09-30: 9.7 µg/m³2025-10-01: 9.8 µg/m³2025-10-02: 21.3 µg/m³2025-10-03: 27.5 µg/m³2025-10-04: 12.8 µg/m³2025-10-05: 6.6 µg/m³2025-10-06: no data2025-10-07: no data2025-10-08: no data2025-10-09: no data2025-10-10: no data2025-10-11: no data2025-10-12: no data2025-10-13: no data2025-10-14: no data2025-10-15: no data2025-10-16: no data2025-10-17: no data2025-10-18: no data2025-10-19: no data2025-10-20: no data2025-10-21: 30.0 µg/m³2025-10-22: 24.3 µg/m³2025-10-23: 16.7 µg/m³2025-10-24: 3.6 µg/m³2025-10-25: no data2025-10-26: no data2025-10-27: 2.1 µg/m³2025-10-28: no data2025-10-29: no data2025-10-30: no data2025-10-31: 20.0 µg/m³2025-11-01: 39.5 µg/m³2025-11-02: 31.0 µg/m³2025-11-03: 20.9 µg/m³2025-11-04: no data2025-11-05: 35.8 µg/m³2025-11-06: no data2025-11-07: no data2025-11-08: 68.6 µg/m³2025-11-09: 93.0 µg/m³2025-11-10: 11.7 µg/m³2025-11-11: 14.4 µg/m³2025-11-12: 25.0 µg/m³2025-11-13: 20.3 µg/m³2025-11-14: 26.1 µg/m³2025-11-15: 38.2 µg/m³2025-11-16: 48.4 µg/m³2025-11-17: 29.7 µg/m³2025-11-18: 30.7 µg/m³2025-11-19: 74.1 µg/m³2025-11-20: 48.8 µg/m³2025-11-21: 37.8 µg/m³2025-11-22: 28.2 µg/m³2025-11-23: 37.9 µg/m³2025-11-24: 61.4 µg/m³2025-11-25: 101.0 µg/m³2025-11-26: 26.7 µg/m³2025-11-27: 30.4 µg/m³2025-11-28: no data2025-11-29: no data2025-11-30: no data2025-12-01: no data2025-12-02: 80.2 µg/m³2025-12-03: 125.0 µg/m³2025-12-04: 131.0 µg/m³2025-12-05: 158.0 µg/m³2025-12-06: 92.4 µg/m³2025-12-07: 29.9 µg/m³2025-12-08: 19.4 µg/m³2025-12-09: 15.5 µg/m³2025-12-10: 33.6 µg/m³2025-12-11: 56.9 µg/m³2025-12-12: 57.5 µg/m³2025-12-13: 64.0 µg/m³2025-12-14: 58.2 µg/m³2025-12-15: 56.0 µg/m³2025-12-16: 94.2 µg/m³2025-12-17: 26.9 µg/m³2025-12-18: 49.9 µg/m³2025-12-19: 62.4 µg/m³2025-12-20: 75.3 µg/m³2025-12-21: 125.0 µg/m³2025-12-22: 40.7 µg/m³2025-12-23: 19.8 µg/m³2025-12-24: 12.0 µg/m³2025-12-25: 22.3 µg/m³2025-12-26: 59.0 µg/m³2025-12-27: 46.5 µg/m³2025-12-28: 15.5 µg/m³2025-12-29: 18.4 µg/m³2025-12-30: 10.7 µg/m³2025-12-31: 11.6 µg/m³2026-01-01: 8.5 µg/m³2026-01-02: 7.4 µg/m³2026-01-03: 6.0 µg/m³2026-01-04: 9.2 µg/m³2026-01-05: 74.6 µg/m³2026-01-06: 71.4 µg/m³2026-01-07: no data2026-01-08: no data2026-01-09: 91.6 µg/m³2026-01-10: 133.0 µg/m³2026-01-11: 32.1 µg/m³2026-01-12: 38.3 µg/m³2026-01-13: 25.2 µg/m³2026-01-14: 28.5 µg/m³2026-01-15: 69.3 µg/m³2026-01-16: 68.1 µg/m³2026-01-17: 70.0 µg/m³2026-01-18: 127.0 µg/m³2026-01-19: 102.0 µg/m³2026-01-20: 90.5 µg/m³2026-01-21: no data2026-01-22: no data2026-01-23: 229.0 µg/m³2026-01-24: 165.0 µg/m³2026-01-25: 105.0 µg/m³2026-01-26: 57.5 µg/m³2026-01-27: 40.9 µg/m³2026-01-28: 110.0 µg/m³2026-01-29: 50.6 µg/m³2026-01-30: 15.1 µg/m³2026-01-31: 27.1 µg/m³2026-02-01: 37.5 µg/m³2026-02-02: 56.6 µg/m³2026-02-03: 84.5 µg/m³2026-02-04: 134.0 µg/m³2026-02-05: 173.0 µg/m³2026-02-06: 151.0 µg/m³2026-02-07: 68.7 µg/m³2026-02-08: 35.4 µg/m³2026-02-09: 34.5 µg/m³2026-02-10: 64.6 µg/m³2026-02-11: 27.1 µg/m³2026-02-12: 7.5 µg/m³2026-02-13: 9.7 µg/m³2026-02-14: 27.6 µg/m³2026-02-15: 18.1 µg/m³2026-02-16: 41.2 µg/m³2026-02-17: 54.4 µg/m³2026-02-18: 37.5 µg/m³2026-02-19: no data2026-02-20: no data2026-02-21: 40.5 µg/m³2026-02-22: 12.6 µg/m³2026-02-23: 9.3 µg/m³2026-02-24: 13.2 µg/m³2026-02-25: 21.8 µg/m³2026-02-26: 39.6 µg/m³2026-02-27: 29.3 µg/m³2026-02-28: 37.8 µg/m³2026-03-01: 41.9 µg/m³2026-03-02: 40.1 µg/m³2026-03-03: 50.1 µg/m³2026-03-04: 60.5 µg/m³2026-03-05: 56.8 µg/m³2026-03-06: 47.1 µg/m³2026-03-07: 53.5 µg/m³2026-03-08: 48.8 µg/m³2026-03-09: 49.4 µg/m³2026-03-10: 45.9 µg/m³2026-03-11: 49.7 µg/m³2026-03-12: 41.3 µg/m³2026-03-13: 41.3 µg/m³2026-03-14: 28.9 µg/m³2026-03-15: 28.9 µg/m³2026-03-16: 35.3 µg/m³2026-03-17: 32.0 µg/m³2026-03-18: 39.0 µg/m³2026-03-19: 37.8 µg/m³2026-03-20: 52.5 µg/m³2026-03-21: 25.4 µg/m³2026-03-22: 39.4 µg/m³2026-03-23: 39.0 µg/m³2026-03-24: 44.2 µg/m³2026-03-25: 34.5 µg/m³2026-03-26: 23.5 µg/m³2026-03-27: 37.9 µg/m³2026-03-28: 42.5 µg/m³2026-03-29: 35.3 µg/m³2026-03-30: 24.3 µg/m³2026-03-31: 44.7 µg/m³2026-04-01: 33.2 µg/m³2026-04-02: 39.4 µg/m³2026-04-03: 30.6 µg/m³2026-04-04: 19.3 µg/m³2026-04-05: 11.6 µg/m³2026-04-06: 6.7 µg/m³2026-04-07: 12.9 µg/m³2026-04-08: 16.4 µg/m³2026-04-09: no data2026-04-10: 37.5 µg/m³2026-04-11: 37.5 µg/m³2026-04-12: 35.7 µg/m³2026-04-13: 20.8 µg/m³2026-04-14: no data2026-04-15: no data2026-04-16: no data2026-04-17: no data2026-04-18: no data2026-04-19: no data2026-04-20: no data2026-04-21: no data2026-04-22: no data2026-04-23: no data2026-04-24: no data2026-04-25: no data2026-04-26: no data2026-04-27: no data2026-04-28: no data2026-04-29: no data2026-04-30: no data2026-05-01: no data2026-05-02: no data2026-05-03: no data2026-05-04: no data2026-05-05: no data2026-05-06: no data2026-05-07: no data2026-05-08: no data2026-05-09: no data2026-05-10: no data2026-05-11: no data2026-05-12: no data2026-05-13: no data2026-05-14: no data2026-05-15: no data2026-05-16: no data2026-05-17: no data2026-05-18: no data2026-05-19: no data2026-05-20: no data2026-05-21: no data2026-05-22: no data2026-05-23: no data2026-05-24: no data2026-05-25: no data2026-05-26: no data2026-05-27: no data2026-05-28: no data2026-05-29: no data2026-05-30: no data2026-05-31: no data2026-06-01: no data2026-06-02: no data2026-06-03: 9.2 µg/m³2026-06-04: 5.5 µg/m³2026-06-05: 7.5 µg/m³2026-06-06: no data2026-06-07: no data2026-06-08: no data2026-06-09: no data2026-06-10: no data2026-06-11: 5.2 µg/m³2026-06-12: no data2026-06-13: no data2026-06-14: 4.0 µg/m³2026-06-15: 5.3 µg/m³2026-06-16: 5.0 µg/m³2026-06-17: 8.6 µg/m³2026-06-18: 12.0 µg/m³2026-06-19: 11.1 µg/m³2026-06-20: 14.5 µg/m³2026-06-21: 10.5 µg/m³2026-06-22: 13.2 µg/m³2026-06-23: 9.4 µg/m³2026-06-24: 9.2 µg/m³2026-06-25: 8.9 µg/m³2026-06-26: 14.0 µg/m³2026-06-27: 18.1 µg/m³2026-06-28: 18.4 µg/m³2026-06-29: 19.4 µg/m³2026-06-30: 16.1 µg/m³2026-07-01: 16.2 µg/m³2026-07-02: 9.0 µg/m³2026-07-03: 7.1 µg/m³2026-07-04: 6.0 µg/m³2026-07-05: no data2026-07-06: no data2026-07-07: 4.3 µg/m³2026-07-08: 4.2 µg/m³2026-07-09: 6.5 µg/m³2026-07-10: 6.4 µg/m³2026-07-11: 7.3 µg/m³2026-07-12: 9.9 µg/m³2026-07-13: 11.4 µg/m³2026-07-14: 11.9 µg/m³2026-07-15: 11.1 µg/m³2026-07-16: 10.5 µg/m³2026-07-17: 11.3 µg/m³2026-07-18: 6.8 µg/m³2026-07-19: 9.6 µg/m³2026-07-20: 7.8 µg/m³2026-07-21: 4.9 µg/m³2026-07-22: 4.8 µg/m³2026-07-23: 4.6 µg/m³2026-07-24: 6.0 µg/m³2026-07-25: 6.3 µg/m³2026-07-26: 7.6 µg/m³2026-07-27: 7.6 µg/m³2026-07-28: 5.6 µg/m³2026-07-29: 8.7 µg/m³2026-07-30: 10.5 µg/m³2026-07-31: 12.0 µg/m³2026-08-01: 13.7 µg/m³2026-08-02: 9.4 µg/m³2026-08-03: 13.5 µg/m³2026-08-04: 13.1 µg/m³2026-08-05: 13.7 µg/m³2026-08-06: 14.7 µg/m³2026-08-07: 9.4 µg/m³2026-08-08: 9.3 µg/m³2026-08-09: 8.3 µg/m³2026-08-10: 8.6 µg/m³2026-08-11: 10.3 µg/m³2026-08-12: 5.5 µg/m³2026-08-13: 5.1 µg/m³2026-08-14: 6.7 µg/m³2026-08-15: 8.8 µg/m³2026-08-16: 11.1 µg/m³2026-08-17: 10.5 µg/m³2026-08-18: 5.4 µg/m³2026-08-19: 6.2 µg/m³2026-08-20: 5.4 µg/m³2026-08-21: 5.9 µg/m³2026-08-22: 3.2 µg/m³2026-08-23: 4.4 µg/m³2026-08-24: 6.2 µg/m³2026-08-25: 9.3 µg/m³2026-08-26: 9.7 µg/m³2026-08-27: 8.0 µg/m³2026-08-28: 11.9 µg/m³2026-08-29: 6.9 µg/m³2026-08-30: 5.5 µg/m³2026-08-31: 6.0 µg/m³2026-09-01: 5.5 µg/m³2026-09-02: 6.8 µg/m³2026-09-03: 6.9 µg/m³2026-09-04: 4.7 µg/m³2026-09-05: 2.8 µg/m³2026-09-06: 4.1 µg/m³2026-09-07: 6.0 µg/m³2026-09-08: no data2026-09-09: 9.6 µg/m³2026-09-10: 4.5 µg/m³2026-09-11: 6.2 µg/m³2026-09-12: 14.0 µg/m³2026-09-13: no data2026-09-14: 11.2 µg/m³2026-09-15: 10.1 µg/m³2026-09-16: 10.5 µg/m³2026-09-17: 7.5 µg/m³2026-09-18: 9.4 µg/m³2026-09-19: 9.3 µg/m³2026-09-20: 6.7 µg/m³2026-09-21: 4.2 µg/m³2026-09-22: 7.1 µg/m³2026-09-23: 11.8 µg/m³2026-09-24: 8.2 µg/m³2026-09-25: 13.2 µg/m³2026-09-26: 14.3 µg/m³2026-09-27: 13.3 µg/m³2026-09-28: 13.8 µg/m³2026-09-29: 15.3 µg/m³2026-09-30: 15.2 µg/m³
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data

146 of 270 measured days were over the WHO 24-hour guideline.

Daily world rank

#1#2165OctNovDecJanFebMarAprMayJunJulAugSep

Rank on each day's board (1 = most polluted city that day).

2026 against 2025, month by month

15Jan 2025: 38.5 µg/m³Jan 2026: 68.6 µg/m³JanFeb 2025: 55.7 µg/m³Feb 2026: 48.7 µg/m³FebMar 2025: 31.7 µg/m³Mar 2026: 41.0 µg/m³MarApr 2025: 16.4 µg/m³Apr 2026: 25.1 µg/m³AprMay 2025: 9.8 µg/m³MayJun 2025: 7.5 µg/m³Jun 2026: 10.7 µg/m³JunJul 2026: 8.1 µg/m³JulAug 2025: 8.3 µg/m³Aug 2026: 8.6 µg/m³AugSep 2025: 7.4 µg/m³Sep 2026: 9.0 µg/m³SepOct 2025: 15.9 µg/m³OctNov 2025: 40.8 µg/m³NovDec 2025: 55.6 µg/m³Dec

Faded bars: 2025. A month shows once it has 10 measured days.

This week against past years

This weekThis week: 13.3 µg/m³13.320252025: 8.0 µg/m³8.0

Mean PM2.5 for 24 Sept to 30 Sept in each year. Dashed line: WHO 24-hour guideline.

Monitors

StationOperatorType
Żywiec, ul. KopernikaODC-BYEEAReference

The city's value is the median of its reference monitors each hour; low-cost sensors are listed but not counted when reference monitors exist. Data via OpenAQ; licences as listed. How we rank. Embed this on your site.

Other cities in Poland

Otwock 14.7Kalisz 12.2Radomsko 11.7Włocławek 11.2Radom 10.6Wrocław 10.4Starachowice 10.2Bielsko-Biala 10.2Pruszków 10.1Katowice 9.9Toruń 9.8Łódź 9.8

30-day averages, µg/m³. All of Poland →

Updated 2026-10-01 06:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.