SmogRank / Portugal / Setúbal
Air quality in Corroios
Setúbal, Portugal. PM2.5 from 1 reference monitor, updated hourly.
6.0 µg/m³
GoodMean for 27 Sept, the most recent day with readings, 0.4× the WHO 24-hour guideline. No hourly readings have reached us since; some networks publish days late.
Rank
Hour by hour No hourly readings in the last few days. The chart returns when the monitors' data arrives.
Every day for a year Sep Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Mon Wed Fri 2025-09-29: 6.1 µg/m³ 2025-09-30: no data 2025-10-01: no data 2025-10-02: no data 2025-10-03: 6.9 µg/m³ 2025-10-04: 3.2 µg/m³ 2025-10-05: no data 2025-10-06: no data 2025-10-07: no data 2025-10-08: 3.8 µg/m³ 2025-10-09: 5.2 µg/m³ 2025-10-10: 7.8 µg/m³ 2025-10-11: 8.4 µg/m³ 2025-10-12: no data 2025-10-13: no data 2025-10-14: 6.8 µg/m³ 2025-10-15: no data 2025-10-16: no data 2025-10-17: no data 2025-10-18: no data 2025-10-19: 7.1 µg/m³ 2025-10-20: no data 2025-10-21: 2.4 µg/m³ 2025-10-22: 3.8 µg/m³ 2025-10-23: 6.3 µg/m³ 2025-10-24: 3.1 µg/m³ 2025-10-25: no data 2025-10-26: 0.7 µg/m³ 2025-10-27: no data 2025-10-28: no data 2025-10-29: no data 2025-10-30: no data 2025-10-31: no data 2025-11-01: 3.4 µg/m³ 2025-11-02: no data 2025-11-03: no data 2025-11-04: 11.4 µg/m³ 2025-11-05: 4.1 µg/m³ 2025-11-06: no data 2025-11-07: no data 2025-11-08: 3.1 µg/m³ 2025-11-09: no data 2025-11-10: 5.2 µg/m³ 2025-11-11: no data 2025-11-12: no data 2025-11-13: 3.5 µg/m³ 2025-11-14: no data 2025-11-15: no data 2025-11-16: no data 2025-11-17: 0.5 µg/m³ 2025-11-18: 0.3 µg/m³ 2025-11-19: 0.4 µg/m³ 2025-11-20: no data 2025-11-21: no data 2025-11-22: no data 2025-11-23: no data 2025-11-24: no data 2025-11-25: no data 2025-11-26: no data 2025-11-27: no data 2025-11-28: no data 2025-11-29: no data 2025-11-30: no data 2025-12-01: no data 2025-12-02: no data 2025-12-03: 3.3 µg/m³ 2025-12-04: no data 2025-12-05: 3.0 µg/m³ 2025-12-06: no data 2025-12-07: no data 2025-12-08: 0.6 µg/m³ 2025-12-09: no data 2025-12-10: no data 2025-12-11: no data 2025-12-12: no data 2025-12-13: no data 2025-12-14: no data 2025-12-15: no data 2025-12-16: no data 2025-12-17: no data 2025-12-18: no data 2025-12-19: no data 2025-12-20: no data 2025-12-21: no data 2025-12-22: 2.4 µg/m³ 2025-12-23: no data 2025-12-24: no data 2025-12-25: no data 2025-12-26: no data 2025-12-27: no data 2025-12-28: 2.5 µg/m³ 2025-12-29: no data 2025-12-30: no data 2025-12-31: no data 2026-01-01: no data 2026-01-02: no data 2026-01-03: no data 2026-01-04: no data 2026-01-05: no data 2026-01-06: 1.9 µg/m³ 2026-01-07: no data 2026-01-08: no data 2026-01-09: no data 2026-01-10: no data 2026-01-11: no data 2026-01-12: no data 2026-01-13: no data 2026-01-14: 2.8 µg/m³ 2026-01-15: no data 2026-01-16: 1.7 µg/m³ 2026-01-17: no data 2026-01-18: 3.1 µg/m³ 2026-01-19: 3.2 µg/m³ 2026-01-20: 3.1 µg/m³ 2026-01-21: 3.5 µg/m³ 2026-01-22: 5.3 µg/m³ 2026-01-23: 3.2 µg/m³ 2026-01-24: no data 2026-01-25: 3.2 µg/m³ 2026-01-26: 3.9 µg/m³ 2026-01-27: 3.7 µg/m³ 2026-01-28: no data 2026-01-29: 2.3 µg/m³ 2026-01-30: 4.8 µg/m³ 2026-01-31: no data 2026-02-01: 3.1 µg/m³ 2026-02-02: 1.0 µg/m³ 2026-02-03: 2.0 µg/m³ 2026-02-04: no data 2026-02-05: 2.2 µg/m³ 2026-02-06: 2.2 µg/m³ 2026-02-07: 2.4 µg/m³ 2026-02-08: 1.6 µg/m³ 2026-02-09: 1.7 µg/m³ 2026-02-10: no data 2026-02-11: no data 2026-02-12: 1.7 µg/m³ 2026-02-13: 2.4 µg/m³ 2026-02-14: 2.2 µg/m³ 2026-02-15: 2.5 µg/m³ 2026-02-16: 1.7 µg/m³ 2026-02-17: 0.7 µg/m³ 2026-02-18: 1.5 µg/m³ 2026-02-19: no data 2026-02-20: no data 2026-02-21: 5.2 µg/m³ 2026-02-22: 9.3 µg/m³ 2026-02-23: 11.8 µg/m³ 2026-02-24: 7.5 µg/m³ 2026-02-25: no data 2026-02-26: 4.8 µg/m³ 2026-02-27: no data 2026-02-28: 1.7 µg/m³ 2026-03-01: no data 2026-03-02: 11.0 µg/m³ 2026-03-03: 6.7 µg/m³ 2026-03-04: 8.7 µg/m³ 2026-03-05: 7.6 µg/m³ 2026-03-06: 3.2 µg/m³ 2026-03-07: 2.3 µg/m³ 2026-03-08: 3.8 µg/m³ 2026-03-09: 0.9 µg/m³ 2026-03-10: 2.6 µg/m³ 2026-03-11: 2.9 µg/m³ 2026-03-12: 4.6 µg/m³ 2026-03-13: 2.7 µg/m³ 2026-03-14: 1.9 µg/m³ 2026-03-15: 1.3 µg/m³ 2026-03-16: 1.9 µg/m³ 2026-03-17: 4.1 µg/m³ 2026-03-18: 3.5 µg/m³ 2026-03-19: 3.3 µg/m³ 2026-03-20: 2.5 µg/m³ 2026-03-21: no data 2026-03-22: 3.6 µg/m³ 2026-03-23: 8.2 µg/m³ 2026-03-24: 7.7 µg/m³ 2026-03-25: no data 2026-03-26: 5.2 µg/m³ 2026-03-27: no data 2026-03-28: 3.4 µg/m³ 2026-03-29: 2.4 µg/m³ 2026-03-30: no data 2026-03-31: 3.1 µg/m³ 2026-04-01: 0.9 µg/m³ 2026-04-02: 2.8 µg/m³ 2026-04-03: 6.2 µg/m³ 2026-04-04: no data 2026-04-05: 5.1 µg/m³ 2026-04-06: 8.2 µg/m³ 2026-04-07: 4.9 µg/m³ 2026-04-08: no data 2026-04-09: 2.7 µg/m³ 2026-04-10: 5.9 µg/m³ 2026-04-11: 3.3 µg/m³ 2026-04-12: no data 2026-04-13: 1.5 µg/m³ 2026-04-14: 2.3 µg/m³ 2026-04-15: no data 2026-04-16: 0.9 µg/m³ 2026-04-17: 6.0 µg/m³ 2026-04-18: no data 2026-04-19: 9.7 µg/m³ 2026-04-20: 8.2 µg/m³ 2026-04-21: no data 2026-04-22: 4.6 µg/m³ 2026-04-23: no data 2026-04-24: no data 2026-04-25: no data 2026-04-26: no data 2026-04-27: 6.1 µg/m³ 2026-04-28: no data 2026-04-29: 2.2 µg/m³ 2026-04-30: no data 2026-05-01: 0.5 µg/m³ 2026-05-02: no data 2026-05-03: no data 2026-05-04: no data 2026-05-05: no data 2026-05-06: no data 2026-05-07: no data 2026-05-08: no data 2026-05-09: no data 2026-05-10: no data 2026-05-11: no data 2026-05-12: no data 2026-05-13: no data 2026-05-14: no data 2026-05-15: no data 2026-05-16: no data 2026-05-17: no data 2026-05-18: no data 2026-05-19: no data 2026-05-20: no data 2026-05-21: no data 2026-05-22: no data 2026-05-23: no data 2026-05-24: no data 2026-05-25: no data 2026-05-26: no data 2026-05-27: 0.9 µg/m³ 2026-05-28: 2.6 µg/m³ 2026-05-29: 0.7 µg/m³ 2026-05-30: no data 2026-05-31: 0.7 µg/m³ 2026-06-01: no data 2026-06-02: no data 2026-06-03: 0.2 µg/m³ 2026-06-04: no data 2026-06-05: no data 2026-06-06: 0.3 µg/m³ 2026-06-07: no data 2026-06-08: no data 2026-06-09: no data 2026-06-10: no data 2026-06-11: no data 2026-06-12: no data 2026-06-13: no data 2026-06-14: no data 2026-06-15: 0.9 µg/m³ 2026-06-16: 0.6 µg/m³ 2026-06-17: no data 2026-06-18: no data 2026-06-19: no data 2026-06-20: no data 2026-06-21: no data 2026-06-22: 0.2 µg/m³ 2026-06-23: no data 2026-06-24: no data 2026-06-25: no data 2026-06-26: no data 2026-06-27: 0.0 µg/m³ 2026-06-28: no data 2026-06-29: no data 2026-06-30: no data 2026-07-01: no data 2026-07-02: 0.3 µg/m³ 2026-07-03: 0.5 µg/m³ 2026-07-04: no data 2026-07-05: 1.4 µg/m³ 2026-07-06: no data 2026-07-07: 1.0 µg/m³ 2026-07-08: no data 2026-07-09: 0.0 µg/m³ 2026-07-10: no data 2026-07-11: no data 2026-07-12: no data 2026-07-13: no data 2026-07-14: no data 2026-07-15: no data 2026-07-16: no data 2026-07-17: no data 2026-07-18: no data 2026-07-19: 0.4 µg/m³ 2026-07-20: no data 2026-07-21: no data 2026-07-22: no data 2026-07-23: no data 2026-07-24: no data 2026-07-25: 0.4 µg/m³ 2026-07-26: no data 2026-07-27: no data 2026-07-28: no data 2026-07-29: no data 2026-07-30: no data 2026-07-31: no data 2026-08-01: no data 2026-08-02: 0.5 µg/m³ 2026-08-03: no data 2026-08-04: no data 2026-08-05: no data 2026-08-06: no data 2026-08-07: no data 2026-08-08: 0.1 µg/m³ 2026-08-09: no data 2026-08-10: no data 2026-08-11: no data 2026-08-12: no data 2026-08-13: no data 2026-08-14: 0.0 µg/m³ 2026-08-15: no data 2026-08-16: 0.8 µg/m³ 2026-08-17: no data 2026-08-18: no data 2026-08-19: no data 2026-08-20: no data 2026-08-21: no data 2026-08-22: no data 2026-08-23: 0.2 µg/m³ 2026-08-24: no data 2026-08-25: 0.2 µg/m³ 2026-08-26: no data 2026-08-27: no data 2026-08-28: no data 2026-08-29: no data 2026-08-30: no data 2026-08-31: no data 2026-09-01: no data 2026-09-02: no data 2026-09-03: 0.4 µg/m³ 2026-09-04: no data 2026-09-05: no data 2026-09-06: no data 2026-09-07: no data 2026-09-08: no data 2026-09-09: no data 2026-09-10: no data 2026-09-11: no data 2026-09-12: 0.5 µg/m³ 2026-09-13: no data 2026-09-14: no data 2026-09-15: no data 2026-09-16: no data 2026-09-17: no data 2026-09-18: no data 2026-09-19: 1.7 µg/m³ 2026-09-20: 0.4 µg/m³ 2026-09-21: 3.2 µg/m³ 2026-09-22: 7.4 µg/m³ 2026-09-23: 10.5 µg/m³ 2026-09-24: 8.3 µg/m³ 2026-09-25: 5.6 µg/m³ 2026-09-26: 8.1 µg/m³ 2026-09-27: 6.0 µg/m³ 2026-09-28: no data 2026-09-29: no data 2026-09-30: no data
Good 0–9.0 Moderate 9.1+ Unhealthy for sensitive groups 35.5+ Unhealthy 55.5+ Very unhealthy 125.5+ Hazardous 225.5+ No data
0 of 141 measured days were over the WHO 24-hour guideline.
Daily world rank #1 #2418 Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Rank on each day's board (1 = most polluted city that day).
2026 against 2025, month by month 15 Jan 2026: 3.3 µg/m³ Jan Feb 2026: 3.3 µg/m³ Feb Mar 2026: 4.2 µg/m³ Mar Apr 2026: 4.5 µg/m³ Apr May Jun Jul Aug 2025: 6.4 µg/m³ Aug Sep 2026: 4.7 µg/m³ Sep Oct 2025: 5.0 µg/m³ Oct Nov Dec Faded bars: 2025. A month shows once it has 10 measured days.
This week against past years This week This week: 7.0 µg/m³ 7.0 2025 no data 2024 no data 2023 2023: 4.1 µg/m³ 4.1 Mean PM2.5 for 24 Sept to 30 Sept in each year. Dashed line: WHO 24-hour guideline.
Monitors
Station Operator Type
LaranjeiroODC-BY EEA Reference
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 Portugal 30-day averages, µg/m³. All of Portugal →
Updated 2026-10-01 11:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.