SmogRank / Czechia / Olomouc Region

Air quality in Přerov

Olomouc Region, Czechia. PM2.5 from 1 reference monitor, updated hourly.

8.0 µg/m³
Good

Mean for 24 Sept, the most recent day with readings, 0.5× the WHO 24-hour guideline. No hourly readings have reached us since; some networks publish days late.

Rank

24 h
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not enough data
7 days
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not enough data
30 days
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not enough data
Year
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not enough data

Hour by hour

No hourly readings in the last few days. The chart returns when the monitors' data arrives.

Every day for a year

SepNovDecJanFebMarAprMayJunJulAugSepMonWedFri2025-09-29: 9.7 µg/m³2025-09-30: 5.3 µg/m³2025-10-01: no data2025-10-02: no data2025-10-03: no data2025-10-04: no data2025-10-05: no data2025-10-06: no data2025-10-07: no data2025-10-08: 6.1 µg/m³2025-10-09: no data2025-10-10: no data2025-10-11: no data2025-10-12: no data2025-10-13: no data2025-10-14: 11.8 µg/m³2025-10-15: no data2025-10-16: no data2025-10-17: no data2025-10-18: no data2025-10-19: no data2025-10-20: no data2025-10-21: 13.3 µg/m³2025-10-22: 18.3 µg/m³2025-10-23: 12.2 µg/m³2025-10-24: 5.1 µg/m³2025-10-25: no data2025-10-26: no data2025-10-27: 2.9 µg/m³2025-10-28: no data2025-10-29: no data2025-10-30: 7.0 µg/m³2025-10-31: 13.1 µg/m³2025-11-01: 22.1 µg/m³2025-11-02: 17.6 µg/m³2025-11-03: 7.5 µg/m³2025-11-04: no data2025-11-05: no data2025-11-06: no data2025-11-07: no data2025-11-08: 27.4 µg/m³2025-11-09: 20.6 µg/m³2025-11-10: 16.2 µg/m³2025-11-11: 19.7 µg/m³2025-11-12: 14.1 µg/m³2025-11-13: no data2025-11-14: no data2025-11-15: 18.1 µg/m³2025-11-16: 23.3 µg/m³2025-11-17: 11.8 µg/m³2025-11-18: no data2025-11-19: no data2025-11-20: no data2025-11-21: no data2025-11-22: no data2025-11-23: no data2025-11-24: no data2025-11-25: no data2025-11-26: no data2025-11-27: no data2025-11-28: no data2025-11-29: no data2025-11-30: no data2025-12-01: no data2025-12-02: 13.9 µg/m³2025-12-03: 20.4 µg/m³2025-12-04: 20.4 µg/m³2025-12-05: no data2025-12-06: no data2025-12-07: 17.8 µg/m³2025-12-08: 16.6 µg/m³2025-12-09: 13.9 µg/m³2025-12-10: 15.0 µg/m³2025-12-11: no data2025-12-12: 11.8 µg/m³2025-12-13: no data2025-12-14: 9.7 µg/m³2025-12-15: no data2025-12-16: 7.4 µg/m³2025-12-17: 29.5 µg/m³2025-12-18: no data2025-12-19: no data2025-12-20: no data2025-12-21: 11.2 µg/m³2025-12-22: 10.1 µg/m³2025-12-23: no data2025-12-24: no data2025-12-25: no data2025-12-26: 28.6 µg/m³2025-12-27: no data2025-12-28: no data2025-12-29: no data2025-12-30: no data2025-12-31: no data2026-01-01: no data2026-01-02: no data2026-01-03: no data2026-01-04: no data2026-01-05: no data2026-01-06: no data2026-01-07: no data2026-01-08: no data2026-01-09: no data2026-01-10: no data2026-01-11: no data2026-01-12: no data2026-01-13: no data2026-01-14: 39.5 µg/m³2026-01-15: 57.4 µg/m³2026-01-16: no data2026-01-17: no data2026-01-18: 32.5 µg/m³2026-01-19: no data2026-01-20: no data2026-01-21: 17.8 µg/m³2026-01-22: 45.2 µg/m³2026-01-23: 85.5 µg/m³2026-01-24: 99.6 µg/m³2026-01-25: 69.5 µg/m³2026-01-26: 23.8 µg/m³2026-01-27: 18.9 µg/m³2026-01-28: no data2026-01-29: no data2026-01-30: no data2026-01-31: no data2026-02-01: no data2026-02-02: no data2026-02-03: no data2026-02-04: 58.2 µg/m³2026-02-05: no data2026-02-06: no data2026-02-07: no data2026-02-08: no data2026-02-09: no data2026-02-10: no data2026-02-11: no data2026-02-12: no data2026-02-13: no data2026-02-14: no data2026-02-15: no data2026-02-16: no data2026-02-17: 25.0 µg/m³2026-02-18: no data2026-02-19: no data2026-02-20: no data2026-02-21: 35.9 µg/m³2026-02-22: no data2026-02-23: no data2026-02-24: no data2026-02-25: no data2026-02-26: no data2026-02-27: no data2026-02-28: no data2026-03-01: no data2026-03-02: no data2026-03-03: no data2026-03-04: no data2026-03-05: 18.5 µg/m³2026-03-06: no data2026-03-07: no data2026-03-08: no data2026-03-09: no data2026-03-10: no data2026-03-11: no data2026-03-12: 21.3 µg/m³2026-03-13: no data2026-03-14: no data2026-03-15: 19.4 µg/m³2026-03-16: no data2026-03-17: no data2026-03-18: no data2026-03-19: no data2026-03-20: no data2026-03-21: no data2026-03-22: no data2026-03-23: no data2026-03-24: no data2026-03-25: no data2026-03-26: no data2026-03-27: no data2026-03-28: no data2026-03-29: no data2026-03-30: no data2026-03-31: no data2026-04-01: no data2026-04-02: no data2026-04-03: no data2026-04-04: no data2026-04-05: no data2026-04-06: no data2026-04-07: no data2026-04-08: no data2026-04-09: no data2026-04-10: no data2026-04-11: no data2026-04-12: no data2026-04-13: no data2026-04-14: no data2026-04-15: no data2026-04-16: no data2026-04-17: no data2026-04-18: 11.9 µg/m³2026-04-19: no data2026-04-20: 5.4 µg/m³2026-04-21: 10.1 µg/m³2026-04-22: no data2026-04-23: no data2026-04-24: no data2026-04-25: no data2026-04-26: no data2026-04-27: 8.5 µg/m³2026-04-28: no data2026-04-29: 10.2 µg/m³2026-04-30: no data2026-05-01: 10.1 µg/m³2026-05-02: 8.8 µg/m³2026-05-03: 10.7 µg/m³2026-05-04: no data2026-05-05: no data2026-05-06: no data2026-05-07: 8.9 µg/m³2026-05-08: no data2026-05-09: no data2026-05-10: no data2026-05-11: no data2026-05-12: no data2026-05-13: 5.3 µg/m³2026-05-14: no data2026-05-15: no data2026-05-16: 6.4 µg/m³2026-05-17: 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: 7.2 µg/m³2026-05-29: 8.2 µg/m³2026-05-30: 9.5 µg/m³2026-05-31: 11.4 µg/m³2026-06-01: 9.8 µg/m³2026-06-02: 8.1 µg/m³2026-06-03: no data2026-06-04: 7.1 µg/m³2026-06-05: no data2026-06-06: no data2026-06-07: no data2026-06-08: no data2026-06-09: no data2026-06-10: no data2026-06-11: 3.5 µg/m³2026-06-12: no data2026-06-13: no data2026-06-14: no data2026-06-15: no data2026-06-16: no data2026-06-17: no data2026-06-18: no data2026-06-19: no data2026-06-20: no data2026-06-21: no data2026-06-22: no data2026-06-23: no data2026-06-24: no data2026-06-25: no data2026-06-26: no data2026-06-27: no data2026-06-28: no data2026-06-29: no data2026-06-30: no data2026-07-01: no data2026-07-02: no data2026-07-03: no data2026-07-04: no data2026-07-05: no data2026-07-06: no data2026-07-07: no data2026-07-08: no data2026-07-09: no data2026-07-10: no data2026-07-11: no data2026-07-12: no data2026-07-13: no data2026-07-14: no data2026-07-15: no data2026-07-16: no data2026-07-17: no data2026-07-18: no data2026-07-19: no data2026-07-20: no data2026-07-21: no data2026-07-22: no data2026-07-23: no data2026-07-24: no data2026-07-25: no data2026-07-26: no data2026-07-27: no data2026-07-28: no data2026-07-29: no data2026-07-30: no data2026-07-31: no data2026-08-01: no data2026-08-02: no data2026-08-03: no data2026-08-04: no data2026-08-05: no data2026-08-06: no data2026-08-07: no data2026-08-08: no data2026-08-09: no data2026-08-10: no data2026-08-11: no data2026-08-12: no data2026-08-13: no data2026-08-14: no data2026-08-15: no data2026-08-16: no data2026-08-17: no data2026-08-18: no data2026-08-19: no data2026-08-20: no data2026-08-21: no data2026-08-22: no data2026-08-23: no data2026-08-24: no data2026-08-25: no data2026-08-26: no data2026-08-27: no data2026-08-28: no data2026-08-29: no data2026-08-30: no data2026-08-31: no data2026-09-01: no data2026-09-02: no data2026-09-03: no data2026-09-04: no data2026-09-05: no data2026-09-06: no data2026-09-07: no data2026-09-08: no data2026-09-09: no data2026-09-10: no data2026-09-11: no data2026-09-12: no data2026-09-13: no data2026-09-14: no data2026-09-15: no data2026-09-16: no data2026-09-17: no data2026-09-18: no data2026-09-19: no data2026-09-20: no data2026-09-21: no data2026-09-22: no data2026-09-23: no data2026-09-24: 8.0 µg/m³2026-09-25: no data2026-09-26: no data2026-09-27: no data2026-09-28: no data2026-09-29: no data2026-09-30: no data
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data

31 of 70 measured days were over the WHO 24-hour guideline.

Daily world rank

#1#1837NovDecJanFebMarAprMayJunJulAugSep

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

2026 against 2025, month by month

15Jan 2025: 21.5 µg/m³Jan 2026: 49.0 µg/m³JanFeb 2025: 28.3 µg/m³FebMarApr 2025: 11.2 µg/m³AprMay 2025: 10.1 µg/m³May 2026: 8.7 µg/m³MayJunJulAug 2025: 12.2 µg/m³AugSep 2025: 8.9 µg/m³SepOctNov 2025: 18.0 µg/m³NovDec 2025: 16.2 µg/m³Dec

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

Monitors

StationOperatorType
PrerovODC-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 Czechia

Stodůlky 4.0Říčany 3.9

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

Updated 2026-10-01 13:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.