SmogRank / Spain / Catalonia

Air quality in Mollet del Vallès

Catalonia, Spain. PM2.5 from 3 reference monitors, updated hourly.

18.0 µg/m³
Moderate

Latest hour (02:00 UTC), 1.2× the WHO 24-hour guideline.

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

Last 4 days, hour by hour

15302026-10-01 02:00 UTC: 18.0 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: no data2025-09-30: 11.9 µg/m³2025-10-01: no data2025-10-02: 8.8 µg/m³2025-10-03: 12.5 µg/m³2025-10-04: 14.3 µg/m³2025-10-05: 6.1 µg/m³2025-10-06: no data2025-10-07: no data2025-10-08: 13.1 µg/m³2025-10-09: 15.1 µg/m³2025-10-10: 6.6 µg/m³2025-10-11: 6.6 µg/m³2025-10-12: 7.5 µg/m³2025-10-13: 10.3 µg/m³2025-10-14: 15.0 µg/m³2025-10-15: no data2025-10-16: no data2025-10-17: no data2025-10-18: 13.3 µg/m³2025-10-19: 12.7 µg/m³2025-10-20: 9.0 µg/m³2025-10-21: 7.4 µg/m³2025-10-22: 7.0 µg/m³2025-10-23: 3.8 µg/m³2025-10-24: 8.1 µg/m³2025-10-25: 8.4 µg/m³2025-10-26: 6.4 µg/m³2025-10-27: 7.0 µg/m³2025-10-28: 10.0 µg/m³2025-10-29: 15.5 µg/m³2025-10-30: 11.9 µg/m³2025-10-31: 11.9 µg/m³2025-11-01: 11.9 µg/m³2025-11-02: 10.4 µg/m³2025-11-03: 9.0 µg/m³2025-11-04: 13.2 µg/m³2025-11-05: 14.4 µg/m³2025-11-06: 7.0 µg/m³2025-11-07: 6.5 µg/m³2025-11-08: 13.0 µg/m³2025-11-09: 12.3 µg/m³2025-11-10: 14.5 µg/m³2025-11-11: 16.8 µg/m³2025-11-12: 18.1 µg/m³2025-11-13: 16.1 µg/m³2025-11-14: 29.4 µg/m³2025-11-15: 13.0 µg/m³2025-11-16: 8.2 µg/m³2025-11-17: 9.4 µg/m³2025-11-18: 12.4 µg/m³2025-11-19: 12.7 µg/m³2025-11-20: 17.5 µg/m³2025-11-21: 5.8 µg/m³2025-11-22: 7.5 µg/m³2025-11-23: 17.9 µg/m³2025-11-24: 4.2 µg/m³2025-11-25: 4.9 µg/m³2025-11-26: no data2025-11-27: 14.9 µg/m³2025-11-28: no data2025-11-29: no data2025-11-30: no data2025-12-01: no data2025-12-02: 24.3 µg/m³2025-12-03: 17.5 µg/m³2025-12-04: 19.5 µg/m³2025-12-05: 16.0 µg/m³2025-12-06: 19.7 µg/m³2025-12-07: 21.7 µg/m³2025-12-08: 19.1 µg/m³2025-12-09: 23.7 µg/m³2025-12-10: 24.6 µg/m³2025-12-11: 22.0 µg/m³2025-12-12: 27.7 µg/m³2025-12-13: 16.7 µg/m³2025-12-14: 20.3 µg/m³2025-12-15: 14.5 µg/m³2025-12-16: 21.0 µg/m³2025-12-17: 18.1 µg/m³2025-12-18: 22.1 µg/m³2025-12-19: 26.2 µg/m³2025-12-20: 24.5 µg/m³2025-12-21: 17.9 µg/m³2025-12-22: 7.8 µg/m³2025-12-23: 9.3 µg/m³2025-12-24: 8.6 µg/m³2025-12-25: 4.1 µg/m³2025-12-26: 3.3 µg/m³2025-12-27: 3.9 µg/m³2025-12-28: 7.6 µg/m³2025-12-29: 13.2 µg/m³2025-12-30: 15.8 µg/m³2025-12-31: 17.7 µg/m³2026-01-01: 21.3 µg/m³2026-01-02: 16.8 µg/m³2026-01-03: 22.0 µg/m³2026-01-04: 8.8 µg/m³2026-01-05: 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: no data2026-01-15: no data2026-01-16: no data2026-01-17: no data2026-01-18: no data2026-01-19: no data2026-01-20: no data2026-01-21: 11.4 µg/m³2026-01-22: no data2026-01-23: no data2026-01-24: no data2026-01-25: no data2026-01-26: no data2026-01-27: no data2026-01-28: 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: no data2026-02-05: 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: no data2026-02-18: no data2026-02-19: no data2026-02-20: no data2026-02-21: no data2026-02-22: 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: no data2026-03-06: no data2026-03-07: no data2026-03-08: no data2026-03-09: no data2026-03-10: no data2026-03-11: no data2026-03-12: no data2026-03-13: no data2026-03-14: no data2026-03-15: no data2026-03-16: 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 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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: no data2026-09-25: 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

32 of 86 measured days were over the WHO 24-hour guideline.

Daily world rank

#1#2088NovDecJan

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

Monitors

StationOperatorType
SANTA PERPÈTUA DE MOGODA (ONZE DE SETEMBRE)ODC-BYEEAReference
Mollet del VallèsCC0 1.0Catalonia Medi Ambient I SostenibilitatReference
Santa Perpètua de MogodaCC0 1.0OpenAQ adminReference

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 Spain

Alcalá de Guadaira 17.7Sevilla 16.1Huelva 15.6Arrecife 13.7Manlleu 12.9Candelaria 12.3Bailén 11.7Fuenlabrada 11.5Valdemoro 11.1Gijón 10.8Durango 10.6Avilés 10.6

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

Updated 2026-10-01 08:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.