Portugal: Air Quality Today — AQI Index, Smog, Pollen, UV and City Forecasts

2 weather warnings in effect for Portugal 🌧️ Heavy rain⛈️ Thunderstorms

Locations

Lisbon

5.2 PM2.5 µg/m³

Good

PM10 13 NO₂ 9.1 O₃ 56

Porto

5.3 PM2.5 µg/m³

Good

PM10 9.8 NO₂ 6.5 O₃ 56

Braga

5.7 PM2.5 µg/m³

Good

PM10 8.8 NO₂ 6 O₃ 51

Setúbal

4.5 PM2.5 µg/m³

Good

PM10 14 NO₂ 6.2 O₃ 56

Coimbra

4.4 PM2.5 µg/m³

Good

PM10 11 NO₂ 4.7 O₃ 52

Funchal Municipality

3.6 PM2.5 µg/m³

Good

PM10 8.5 NO₂ 2.8 O₃ 65

Current data Thursday, August 27, 2026 at 2:00 AM

PM2,5 5 (Good)

PM10 11 (Good)

O3 56 (Good)

NO2 6 (Good)

SO2 1 (Good)

CO 163 (Good)

index	2026-08-27	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20
PM2,5	4 Good	5 Good	7 Good	5 Good	6 Good	8 Good	10 Good	10 Good
PM10	9 Good	11 Good	13 Good	13 Good	11 Good	15 Good	17 Good	17 Good
O3	60 Good	64 Good	67 Good	66 Good	61 Good	65 Good	63 Good	55 Good
NO2	5 Good	6 Good	8 Good	4 Good	6 Good	8 Good	6 Good	8 Good
SO2	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good
CO	160 Good	151 Good	149 Good	141 Good	149 Good	168 Good	181 Good	144 Good

data source »

pollution pm25 hikersbay.com — Air pollution in Portugal from September 2017 to May 2020

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09
	3.4 Good	3.7 Good	6.5 Good	7.7 Good	7.4 Good	4.5 Good	3.1 Good	3.6 Good	4 Good	3.6 Good	4.2 Good	3.4 Good	3.4 Good	3.7 Good	4.4 Good	5.8 Good	4.9 Good	5.4 Good	3.4 Good	5 Good	6.3 Good	5.3 Good	4.8 Good	3.3 Good	5 Good	4.5 Good	4.7 Good	7.1 Good	7 Good	4.3 Good	7.3 Good	12 Good	6.1 Good
PM10	12 Good	9.8 Good	16 Good	17 Good	16 Good	12 Good	10 Good	10 Good	13 Good	11 Good	13 Good	9.2 Good	11 Good	10 Good	13 Good	16 Good	11 Good	13 Good	9.7 Good	11 Good	15 Good	16 Good	11 Good	8 Good	12 Good	13 Good	10 Good	14 Good	16 Good	8.3 Good	6 Good	24 Moderate	14 Good
NO2	5.2 Good	4.8 Good	8 Good	12 Good	14 Good	14 Good	11 Good	11 Good	11 Good	8.3 Good	8.5 Good	8.7 Good	8.3 Good	12 Good	15 Good	16 Good	15 Good	16 Good	11 Good	11 Good	11 Good	9.4 Good	6.5 Good	6 Good	8 Good	9 Good	11 Good	15 Good	17 Good	1.8 Good	0.38 Good	19 Good	13 Good
O3	66 Good	69 Good	66 Good	49 Good	48 Good	47 Good	50 Good	49 Good	63 Good	58 Good	60 Good	68 Good	69 Good	68 Good	66 Good	56 Good	50 Good	40 Good	49 Good	59 Good	68 Good	65 Good	62 Good	65 Good	78 Moderate	74 Moderate	73 Moderate	60 Good	45 Good	58 Good	79 Moderate	50 Good	58 Good

data source »

Quality of life in Portugal

Green and Parks in the City

Portugal 73%

Morocco: 41% Andorra: 69% Spain: 70% France: 61%

Pleasure of spending time in the city

Portugal 83%

Morocco: 41% Andorra: 84% Spain: 76% France: 68%

Air Pollution

Portugal 23%

Morocco: 63% Andorra: 29% Spain: 30% France: 36%

Garbage Disposal

Portugal 71%

Morocco: 33% Andorra: 89% Spain: 73% France: 59%

Availability and quality of drinking water

Portugal 83%

Morocco: 55% Andorra: 100% Spain: 74% France: 73%

Cleanliness and tidiness

Portugal 67%

Morocco: 39% Andorra: 75% Spain: 66% France: 48%

Noise and Light pollution

Portugal 36%

Morocco: 55% Andorra: 29% Spain: 46% France: 54%

Water Pollution

Portugal 28%

Morocco: 54% Andorra: 19% Spain: 29% France: 39%

Source: Numbeo

* Pollution data source: https://openaq.org (EEA Portugal) The data is licensed under CC-By 4.0

Frequently asked questions

Is the air safe to breathe in Portugal today?

The current average PM2.5 across Portugal is about 5 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Portugal?

Right now PM2.5 in Portugal averages about 5 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which cities in Portugal have the best and worst air quality now?

Braga currently has the highest PM2.5 (6 µg/m³), while Funchal Municipality has the cleanest air (4 µg/m³).

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.

☀️ UV Index · 16-day Forecast — Portugal

The UV index in Portugal today is 6.8 (high) — unprotected fair skin can burn in about 30 minutes.

🌿 Pollen · Forecast — Portugal

Today the strongest pollen in Portugal is Grass (1 grains/m³, low concentration).

🌊 Sea Temperature · 16-day Forecast — Portugal

The sea temperature at Portugal today is about 20°C.

🌊 Sea Temperature By Month — Portugal

15° Jan

15° Feb

15° Mar

17° Apr

18° May

20° Jun

20° Jul

20° Aug

19° Sep

19° Oct

18° Nov

16° Dec

The sea around Portugal is warmest in July (about 20°C) and coldest in February (about 15°C) — long-term monthly averages.

🌦️ Weather · 16-day Forecast — Portugal

16-day weather forecast for Portugal: today around 25°C (rain), lows near 21°C. Daily temperature and conditions, updated every day.