SmogRank / Portugal / Setúbal

Air quality in Amora

Setúbal, Portugal. PM2.5 from 1 reference monitor, updated hourly.

9.7µg/m³
Moderate

Mean for 27 Sept, the most recent day with readings, 0.6× the WHO 24-hour guideline. No hourly readings have reached us since; some networks publish days late.

Rank, worst first

24 hours–not enough data
7 days–not enough data
30 days–not enough data
This year–not enough data

The last 12 months, day by day

1102031Oct 2025NovDecJan 2026FebMarAprMayJunJulAugSep2025-10-01: no data2025-10-02: no data2025-10-03: 12.5 µg/m³2025-10-04: 2.4 µg/m³2025-10-05: no data2025-10-06: no data2025-10-07: no data2025-10-08: 7.8 µg/m³2025-10-09: 5.1 µg/m³2025-10-10: 6.4 µg/m³2025-10-11: 9.5 µg/m³2025-10-12: no data2025-10-13: no data2025-10-14: 13.3 µg/m³2025-10-15: no data2025-10-16: no data2025-10-17: no data2025-10-18: no data2025-10-19: 12.4 µg/m³2025-10-20: no data2025-10-21: no data2025-10-22: 4.3 µg/m³2025-10-23: 4.8 µg/m³2025-10-24: no data2025-10-25: no data2025-10-26: no data2025-10-27: no data2025-10-28: no data2025-10-29: no data2025-10-30: 4.7 µg/m³2025-10-31: 3.0 µg/m³2025-11-01: 3.0 µg/m³2025-11-02: no data2025-11-03: no data2025-11-04: no data2025-11-05: no data2025-11-06: no data2025-11-07: no data2025-11-08: 12.8 µg/m³2025-11-09: no data2025-11-10: 7.9 µg/m³2025-11-11: 1.7 µg/m³2025-11-12: 2.6 µg/m³2025-11-13: 2.3 µg/m³2025-11-14: no data2025-11-15: no data2025-11-16: 2.2 µg/m³2025-11-17: no data2025-11-18: 6.8 µg/m³2025-11-19: 1.0 µg/m³2025-11-20: 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: no data2025-12-03: 8.5 µg/m³2025-12-04: 4.2 µg/m³2025-12-05: 4.4 µg/m³2025-12-06: 2.7 µg/m³2025-12-07: no data2025-12-08: no data2025-12-09: no data2025-12-10: 0.4 µg/m³2025-12-11: 0.5 µg/m³2025-12-12: no data2025-12-13: no data2025-12-14: 4.1 µg/m³2025-12-15: 10.0 µg/m³2025-12-16: no data2025-12-17: no data2025-12-18: no data2025-12-19: no data2025-12-20: no data2025-12-21: no data2025-12-22: 12.7 µg/m³2025-12-23: 4.4 µg/m³2025-12-24: no data2025-12-25: no data2025-12-26: no data2025-12-27: no data2025-12-28: 3.0 µg/m³2025-12-29: 6.1 µg/m³2025-12-30: 31.0 µg/m³2025-12-31: 13.8 µg/m³2026-01-01: 28.0 µg/m³2026-01-02: 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: 6.8 µg/m³2026-01-15: 6.1 µg/m³2026-01-16: 5.4 µg/m³2026-01-17: no data2026-01-18: 12.2 µg/m³2026-01-19: 12.0 µg/m³2026-01-20: no data2026-01-21: 2.9 µg/m³2026-01-22: 6.1 µg/m³2026-01-23: 4.3 µg/m³2026-01-24: 8.2 µg/m³2026-01-25: 9.2 µg/m³2026-01-26: 2.5 µg/m³2026-01-27: 2.9 µg/m³2026-01-28: 6.8 µg/m³2026-01-29: 6.8 µg/m³2026-01-30: 3.9 µg/m³2026-01-31: 10.7 µg/m³2026-02-01: 2.5 µg/m³2026-02-02: 6.1 µg/m³2026-02-03: 3.8 µg/m³2026-02-04: 2.1 µg/m³2026-02-05: 2.8 µg/m³2026-02-06: 5.8 µg/m³2026-02-07: 7.9 µg/m³2026-02-08: 3.9 µg/m³2026-02-09: 2.4 µg/m³2026-02-10: no data2026-02-11: no data2026-02-12: 4.4 µg/m³2026-02-13: 4.4 µg/m³2026-02-14: no data2026-02-15: no data2026-02-16: 3.6 µg/m³2026-02-17: 1.8 µg/m³2026-02-18: 3.3 µg/m³2026-02-19: no data2026-02-20: no data2026-02-21: 12.5 µg/m³2026-02-22: 17.7 µg/m³2026-02-23: 17.4 µg/m³2026-02-24: 14.3 µg/m³2026-02-25: no data2026-02-26: no data2026-02-27: 7.4 µg/m³2026-02-28: no data2026-03-01: no data2026-03-02: 13.6 µg/m³2026-03-03: 10.6 µg/m³2026-03-04: 19.8 µg/m³2026-03-05: 12.4 µg/m³2026-03-06: 2.4 µg/m³2026-03-07: 5.1 µg/m³2026-03-08: 6.5 µg/m³2026-03-09: 3.8 µg/m³2026-03-10: no data2026-03-11: 6.5 µg/m³2026-03-12: 7.7 µg/m³2026-03-13: 3.8 µg/m³2026-03-14: no data2026-03-15: no data2026-03-16: 2.6 µg/m³2026-03-17: no data2026-03-18: no data2026-03-19: 3.7 µg/m³2026-03-20: 6.6 µg/m³2026-03-21: 2.1 µg/m³2026-03-22: 6.2 µg/m³2026-03-23: 21.9 µg/m³2026-03-24: 14.4 µg/m³2026-03-25: 8.6 µg/m³2026-03-26: no data2026-03-27: no data2026-03-28: 3.9 µg/m³2026-03-29: 8.8 µg/m³2026-03-30: 2.1 µg/m³2026-03-31: no data2026-04-01: no data2026-04-02: no data2026-04-03: no data2026-04-04: no data2026-04-05: no data2026-04-06: 7.7 µg/m³2026-04-07: 3.9 µg/m³2026-04-08: 2.2 µg/m³2026-04-09: 1.9 µg/m³2026-04-10: no data2026-04-11: 16.0 µg/m³2026-04-12: no data2026-04-13: 1.6 µg/m³2026-04-14: 2.3 µg/m³2026-04-15: no data2026-04-16: 4.0 µg/m³2026-04-17: 6.1 µg/m³2026-04-18: 9.6 µg/m³2026-04-19: no data2026-04-20: 6.3 µg/m³2026-04-21: 3.2 µg/m³2026-04-22: 1.3 µg/m³2026-04-23: no data2026-04-24: 3.4 µg/m³2026-04-25: 5.4 µg/m³2026-04-26: no data2026-04-27: 6.6 µg/m³2026-04-28: no data2026-04-29: 0.7 µg/m³2026-04-30: 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: 0.1 µg/m³2026-05-25: no data2026-05-26: no data2026-05-27: 0.4 µg/m³2026-05-28: 1.8 µg/m³2026-05-29: no data2026-05-30: no data2026-05-31: no data2026-06-01: no data2026-06-02: no data2026-06-03: no data2026-06-04: no data2026-06-05: no data2026-06-06: no data2026-06-07: no data2026-06-08: no data2026-06-09: no data2026-06-10: no data2026-06-11: no data2026-06-12: no data2026-06-13: no data2026-06-14: no data2026-06-15: 0.8 µg/m³2026-06-16: 1.0 µg/m³2026-06-17: no data2026-06-18: no data2026-06-19: no data2026-06-20: no data2026-06-21: 0.3 µg/m³2026-06-22: 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: 1.0 µg/m³2026-07-02: no data2026-07-03: 2.0 µg/m³2026-07-04: no data2026-07-05: no data2026-07-06: 0.1 µg/m³2026-07-07: 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: 0.2 µg/m³2026-07-26: 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: 1.4 µg/m³2026-08-18: no data2026-08-19: no data2026-08-20: 2.1 µg/m³2026-08-21: 0.2 µg/m³2026-08-22: 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: 1.3 µg/m³2026-09-11: 0.3 µg/m³2026-09-12: 1.5 µg/m³2026-09-13: no data2026-09-14: no data2026-09-15: 0.3 µg/m³2026-09-16: 0.1 µg/m³2026-09-17: no data2026-09-18: no data2026-09-19: 2.5 µg/m³2026-09-20: 1.2 µg/m³2026-09-21: 4.3 µg/m³2026-09-22: 9.7 µg/m³2026-09-23: 17.8 µg/m³2026-09-24: 10.0 µg/m³2026-09-25: 6.2 µg/m³2026-09-26: 4.8 µg/m³2026-09-27: 9.7 µg/m³2026-09-28: no data2026-09-29: no data2026-09-30: no data
8 of 137 measured days were over the WHO 24-hour guideline (15 µg/m³). One row per month, one square per local day.
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

Hour by hour

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

Its world rank, day by day

#1#2377NovDecJanFebMarAprMayJunJulAugSep
Rank on each day's board (1 = most polluted city that day).

2026 against 2025, month by month

15Jan 2026: 7.9 µg/m³JanFeb 2026: 6.5 µg/m³FebMar 2026: 7.9 µg/m³MarApr 2026: 4.8 µg/m³AprMayJunJulAugSep 2026: 5.0 µg/m³SepOct 2025: 7.2 µg/m³OctNovDec 2025: 7.6 µg/m³Dec
Faded bars: 2025. A month shows once it has 10 measured days.

This week against past years

This weekThis week: 7.7 µg/m³7.72025no data2024no data20232023: 6.8 µg/m³6.8
Mean PM2.5 for 24 Sept to 30 Sept in each year. Dashed line: WHO 24-hour guideline.

Monitors

StationOperatorType
Paio PiresODC-BYEEAReference
Alm 25 de AbrilCC BY 4.0AirGradientLow-cost

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 21:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.