SmogRank / Poland / Greater Poland

Air quality in Kalisz

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

19.9 µg/m³
Moderate

Latest hour (21:00 UTC), 1.3× the WHO 24-hour guideline.

Rank

24 h
–
not enough data
7 days
#213
of 2,330 · 16.2 µg/m³
30 days
#305
of 2,327 · 12.2 µg/m³
Year
#185
of 2,160 · 24.5 µg/m³

Why it ranks here

Seasonal. Over the past year its worst months were January, February, March, averaging up to 43.7 µg/m³ against 11.9 in its cleanest month. Seasonal peaks usually come from heating, crop burning, fire or dust seasons.

Based on Kalisz'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: 19.9 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: 13.1 µg/m³2025-09-30: 15.3 µg/m³2025-10-01: 20.5 µg/m³2025-10-02: 31.0 µg/m³2025-10-03: 44.9 µg/m³2025-10-04: 26.9 µg/m³2025-10-05: 8.3 µg/m³2025-10-06: 8.3 µg/m³2025-10-07: 13.3 µg/m³2025-10-08: 28.0 µg/m³2025-10-09: 13.1 µg/m³2025-10-10: 10.2 µg/m³2025-10-11: 10.8 µg/m³2025-10-12: 10.1 µg/m³2025-10-13: 11.2 µg/m³2025-10-14: 16.4 µg/m³2025-10-15: no data2025-10-16: no data2025-10-17: no data2025-10-18: no data2025-10-19: 12.9 µg/m³2025-10-20: 17.7 µg/m³2025-10-21: 25.6 µg/m³2025-10-22: 27.1 µg/m³2025-10-23: 24.3 µg/m³2025-10-24: 7.0 µg/m³2025-10-25: 7.9 µg/m³2025-10-26: 5.8 µg/m³2025-10-27: 6.8 µg/m³2025-10-28: 7.5 µg/m³2025-10-29: 13.1 µg/m³2025-10-30: 12.7 µg/m³2025-10-31: 19.8 µg/m³2025-11-01: 33.0 µg/m³2025-11-02: 31.1 µg/m³2025-11-03: 18.5 µg/m³2025-11-04: 21.2 µg/m³2025-11-05: 32.0 µg/m³2025-11-06: no data2025-11-07: no data2025-11-08: 43.1 µg/m³2025-11-09: 41.7 µg/m³2025-11-10: 47.0 µg/m³2025-11-11: 24.3 µg/m³2025-11-12: 24.5 µg/m³2025-11-13: 17.7 µg/m³2025-11-14: 19.2 µg/m³2025-11-15: 16.1 µg/m³2025-11-16: 26.9 µg/m³2025-11-17: 14.6 µg/m³2025-11-18: 12.2 µg/m³2025-11-19: 19.4 µg/m³2025-11-20: 25.1 µg/m³2025-11-21: 15.2 µg/m³2025-11-22: 34.8 µg/m³2025-11-23: 59.4 µg/m³2025-11-24: 29.8 µg/m³2025-11-25: 47.1 µg/m³2025-11-26: 19.5 µg/m³2025-11-27: 16.4 µg/m³2025-11-28: no data2025-11-29: no data2025-11-30: no data2025-12-01: no data2025-12-02: 31.4 µg/m³2025-12-03: 37.9 µg/m³2025-12-04: 41.4 µg/m³2025-12-05: 38.8 µg/m³2025-12-06: 52.4 µg/m³2025-12-07: 36.4 µg/m³2025-12-08: 25.6 µg/m³2025-12-09: 19.7 µg/m³2025-12-10: 22.2 µg/m³2025-12-11: 16.3 µg/m³2025-12-12: 21.3 µg/m³2025-12-13: 32.7 µg/m³2025-12-14: 23.1 µg/m³2025-12-15: 27.3 µg/m³2025-12-16: 29.4 µg/m³2025-12-17: 54.2 µg/m³2025-12-18: 44.3 µg/m³2025-12-19: 37.4 µg/m³2025-12-20: 58.5 µg/m³2025-12-21: 44.6 µg/m³2025-12-22: 29.7 µg/m³2025-12-23: 21.1 µg/m³2025-12-24: 18.7 µg/m³2025-12-25: 36.0 µg/m³2025-12-26: 47.1 µg/m³2025-12-27: 24.7 µg/m³2025-12-28: 10.4 µg/m³2025-12-29: 18.0 µg/m³2025-12-30: 9.1 µg/m³2025-12-31: 11.8 µg/m³2026-01-01: 17.7 µg/m³2026-01-02: 8.4 µg/m³2026-01-03: 8.9 µg/m³2026-01-04: 11.0 µg/m³2026-01-05: 42.1 µg/m³2026-01-06: 112.0 µg/m³2026-01-07: no data2026-01-08: no data2026-01-09: 56.2 µg/m³2026-01-10: 33.4 µg/m³2026-01-11: 11.1 µg/m³2026-01-12: 32.4 µg/m³2026-01-13: 65.3 µg/m³2026-01-14: 43.6 µg/m³2026-01-15: 29.9 µg/m³2026-01-16: 45.7 µg/m³2026-01-17: 47.3 µg/m³2026-01-18: 45.2 µg/m³2026-01-19: 50.2 µg/m³2026-01-20: 20.4 µg/m³2026-01-21: 28.6 µg/m³2026-01-22: 81.0 µg/m³2026-01-23: 70.2 µg/m³2026-01-24: 56.8 µg/m³2026-01-25: 56.0 µg/m³2026-01-26: 59.9 µg/m³2026-01-27: 49.8 µg/m³2026-01-28: 56.2 µg/m³2026-01-29: 48.9 µg/m³2026-01-30: 47.6 µg/m³2026-01-31: 31.9 µg/m³2026-02-01: 23.1 µg/m³2026-02-02: 35.1 µg/m³2026-02-03: 38.6 µg/m³2026-02-04: 66.9 µg/m³2026-02-05: 64.2 µg/m³2026-02-06: 45.5 µg/m³2026-02-07: 49.3 µg/m³2026-02-08: 48.7 µg/m³2026-02-09: 30.2 µg/m³2026-02-10: 52.7 µg/m³2026-02-11: 29.5 µg/m³2026-02-12: 31.8 µg/m³2026-02-13: 17.4 µg/m³2026-02-14: 26.3 µg/m³2026-02-15: 22.2 µg/m³2026-02-16: 31.8 µg/m³2026-02-17: 73.2 µg/m³2026-02-18: 90.7 µg/m³2026-02-19: no data2026-02-20: no data2026-02-21: 40.6 µg/m³2026-02-22: 18.6 µg/m³2026-02-23: 11.1 µg/m³2026-02-24: 15.0 µg/m³2026-02-25: 18.6 µg/m³2026-02-26: 36.6 µg/m³2026-02-27: 37.8 µg/m³2026-02-28: 35.9 µg/m³2026-03-01: 21.8 µg/m³2026-03-02: 36.3 µg/m³2026-03-03: 57.2 µg/m³2026-03-04: 34.5 µg/m³2026-03-05: 35.3 µg/m³2026-03-06: 68.5 µg/m³2026-03-07: 65.5 µg/m³2026-03-08: 66.9 µg/m³2026-03-09: 35.8 µg/m³2026-03-10: 36.3 µg/m³2026-03-11: 46.0 µg/m³2026-03-12: 35.0 µg/m³2026-03-13: 31.9 µg/m³2026-03-14: 23.0 µg/m³2026-03-15: 23.7 µg/m³2026-03-16: 24.9 µg/m³2026-03-17: 24.7 µg/m³2026-03-18: 42.9 µg/m³2026-03-19: 50.1 µg/m³2026-03-20: 49.4 µg/m³2026-03-21: 35.6 µg/m³2026-03-22: 40.2 µg/m³2026-03-23: 37.5 µg/m³2026-03-24: 66.8 µg/m³2026-03-25: 32.4 µg/m³2026-03-26: 14.8 µg/m³2026-03-27: 18.4 µg/m³2026-03-28: 20.7 µg/m³2026-03-29: 20.2 µg/m³2026-03-30: 17.3 µg/m³2026-03-31: 18.1 µg/m³2026-04-01: 29.4 µg/m³2026-04-02: 33.9 µg/m³2026-04-03: 41.5 µg/m³2026-04-04: 22.0 µg/m³2026-04-05: 15.5 µg/m³2026-04-06: 8.8 µg/m³2026-04-07: 10.2 µg/m³2026-04-08: 12.9 µg/m³2026-04-09: no data2026-04-10: 29.2 µg/m³2026-04-11: 47.8 µg/m³2026-04-12: 34.7 µg/m³2026-04-13: 20.4 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: 18.3 µg/m³2026-06-04: 10.0 µg/m³2026-06-05: 9.7 µg/m³2026-06-06: no data2026-06-07: no data2026-06-08: no data2026-06-09: no data2026-06-10: no data2026-06-11: 7.9 µg/m³2026-06-12: no data2026-06-13: no data2026-06-14: 7.1 µg/m³2026-06-15: 7.4 µg/m³2026-06-16: 10.4 µg/m³2026-06-17: 13.2 µg/m³2026-06-18: 17.5 µg/m³2026-06-19: 22.9 µg/m³2026-06-20: 15.5 µg/m³2026-06-21: 18.1 µg/m³2026-06-22: 13.0 µg/m³2026-06-23: 9.8 µg/m³2026-06-24: 11.2 µg/m³2026-06-25: 16.7 µg/m³2026-06-26: 14.1 µg/m³2026-06-27: 17.3 µg/m³2026-06-28: 30.6 µg/m³2026-06-29: 23.5 µg/m³2026-06-30: 14.4 µg/m³2026-07-01: 14.8 µg/m³2026-07-02: 12.3 µg/m³2026-07-03: 8.3 µg/m³2026-07-04: 8.2 µg/m³2026-07-05: 8.9 µg/m³2026-07-06: 9.3 µg/m³2026-07-07: 11.5 µg/m³2026-07-08: 8.2 µg/m³2026-07-09: 9.0 µg/m³2026-07-10: 8.4 µg/m³2026-07-11: 9.4 µg/m³2026-07-12: 10.1 µg/m³2026-07-13: 15.2 µg/m³2026-07-14: 14.7 µg/m³2026-07-15: 15.5 µg/m³2026-07-16: 21.1 µg/m³2026-07-17: 22.3 µg/m³2026-07-18: 15.5 µg/m³2026-07-19: 17.1 µg/m³2026-07-20: 8.6 µg/m³2026-07-21: 6.9 µg/m³2026-07-22: 8.5 µg/m³2026-07-23: 6.9 µg/m³2026-07-24: 7.7 µg/m³2026-07-25: 11.1 µg/m³2026-07-26: 13.3 µg/m³2026-07-27: 11.3 µg/m³2026-07-28: 6.6 µg/m³2026-07-29: 11.5 µg/m³2026-07-30: 15.6 µg/m³2026-07-31: 21.7 µg/m³2026-08-01: 19.6 µg/m³2026-08-02: 8.8 µg/m³2026-08-03: 14.9 µg/m³2026-08-04: 19.9 µg/m³2026-08-05: 20.2 µg/m³2026-08-06: 18.5 µg/m³2026-08-07: 9.7 µg/m³2026-08-08: 9.2 µg/m³2026-08-09: 10.6 µg/m³2026-08-10: 13.5 µg/m³2026-08-11: 9.5 µg/m³2026-08-12: 9.4 µg/m³2026-08-13: 10.2 µg/m³2026-08-14: 8.2 µg/m³2026-08-15: 10.8 µg/m³2026-08-16: 14.4 µg/m³2026-08-17: 18.9 µg/m³2026-08-18: 9.6 µg/m³2026-08-19: 11.9 µg/m³2026-08-20: 11.2 µg/m³2026-08-21: 13.6 µg/m³2026-08-22: 8.5 µg/m³2026-08-23: no data2026-08-24: 8.9 µg/m³2026-08-25: 14.0 µg/m³2026-08-26: 14.4 µg/m³2026-08-27: 13.1 µg/m³2026-08-28: 14.5 µg/m³2026-08-29: 9.8 µg/m³2026-08-30: 9.0 µg/m³2026-08-31: 10.7 µg/m³2026-09-01: 8.1 µg/m³2026-09-02: 11.6 µg/m³2026-09-03: 16.0 µg/m³2026-09-04: 7.8 µg/m³2026-09-05: 6.6 µg/m³2026-09-06: 7.2 µg/m³2026-09-07: 12.3 µg/m³2026-09-08: no data2026-09-09: 12.0 µg/m³2026-09-10: 8.4 µg/m³2026-09-11: 14.8 µg/m³2026-09-12: 13.6 µg/m³2026-09-13: no data2026-09-14: 12.9 µg/m³2026-09-15: 15.9 µg/m³2026-09-16: 15.2 µg/m³2026-09-17: 9.9 µg/m³2026-09-18: 12.6 µg/m³2026-09-19: 9.9 µg/m³2026-09-20: 7.9 µg/m³2026-09-21: 7.7 µg/m³2026-09-22: 7.6 µg/m³2026-09-23: 11.5 µg/m³2026-09-24: 13.4 µg/m³2026-09-25: 8.3 µg/m³2026-09-26: 16.7 µg/m³2026-09-27: 22.5 µg/m³2026-09-28: 16.1 µg/m³2026-09-29: 17.0 µg/m³2026-09-30: 19.2 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

179 of 290 measured days were over the WHO 24-hour guideline.

Daily world rank

#1#1504OctNovDecJanFebMarAprMayJunJulAugSep

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

2026 against 2025, month by month

15Jan 2025: 22.7 µg/m³Jan 2026: 43.7 µg/m³JanFeb 2025: 43.7 µg/m³Feb 2026: 38.1 µg/m³FebMar 2025: 35.7 µg/m³Mar 2026: 36.5 µg/m³MarApr 2025: 15.3 µg/m³Apr 2026: 25.5 µg/m³AprMay 2025: 12.7 µg/m³MayJun 2025: 12.9 µg/m³Jun 2026: 14.7 µg/m³JunJul 2025: 11.9 µg/m³Jul 2026: 11.9 µg/m³JulAug 2025: 12.8 µg/m³Aug 2026: 12.5 µg/m³AugSep 2025: 12.9 µg/m³Sep 2026: 12.2 µg/m³SepOct 2025: 16.3 µg/m³OctNov 2025: 27.6 µg/m³NovDec 2025: 30.7 µg/m³Dec

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

This week against past years

This weekThis week: 16.2 µg/m³16.220252025: 12.2 µg/m³12.2

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

Monitors

StationOperatorType
Kalisz, ul. WyszyńskiegoODC-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 14.7Radomsko 11.7Włocławek 11.2Radom 10.6Wrocław 10.4Starachowice 10.2Bielsko-Biala 10.2Pruszków 10.1Katowice 9.9Toruń 9.8Łódź 9.8Jastrzębie Zdrój 9.8

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

Updated 2026-10-01 05:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.