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Massamá (Lisbon) (PT)

Air Quality Trend (last 7 days)

Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups (101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (300+)

Weather - 48h MET Norway

Heavy rain
14°C
Heavy rain
Humidity
99.7%
Wind
7 m/s
Pressure
1015.3 hPa
Direction
256°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
12° / 15°
Precip.
35.7mm
Max wind
12.8 m/s

Hourly Forecast

01.02
Now
Weather
14°
2.8
7
01.02
05:00
Weather
14°
0.4
8
01.02
06:00
Weather
14°
0.6
6
01.02
07:00
Weather
14°
0.7
6
01.02
08:00
Weather
14°
0.9
01.02
09:00
Weather
14°
1.7
5
01.02
10:00
Weather
14°
0.8
6
01.02
11:00
Weather
15°
1.1
6
01.02
12:00
Weather
15°
1.2
6
01.02
13:00
Weather
15°
0.7
7
01.02
14:00
Weather
15°
1.2
7
01.02
15:00
Weather
14°
0.5
6
01.02
16:00
Weather
14°
0.3
6
01.02
17:00
Weather
14°
0.5
6
01.02
18:00
Weather
14°
0.9
7
01.02
19:00
Weather
14°
0.6
7
01.02
20:00
Weather
14°
0.1
8
01.02
21:00
Weather
14°
0.3
8
01.02
22:00
Weather
13°
0.4
10
01.02
23:00
Weather
13°
0.7
11
02.02
00:00
Weather
13°
3
11
02.02
01:00
Weather
13°
7.5
11
02.02
02:00
Weather
13°
7.1
13
02.02
03:00
Weather
12°
1.7
11

Temperature

15°C
12°C
04:00
14°C
05:00
14°C
06:00
14°C
07:00
14°C
08:00
14°C
09:00
14°C
10:00
14°C
11:00
15°C
12:00
15°C
13:00
15°C
14:00
15°C
15:00
14°C
16:00
14°C
17:00
14°C
18:00
14°C
19:00
14°C
20:00
14°C
21:00
14°C
22:00
13°C
23:00
13°C
00:00
13°C
01:00
13°C
02:00
13°C
03:00
12°C
04:00 15:00 03:00

Precipitation

7.5mm
0mm
04:00
2.8mm
05:00
0.4mm
06:00
0.6mm
07:00
0.7mm
08:00
0.9mm
09:00
1.7mm
10:00
0.8mm
11:00
1.1mm
12:00
1.2mm
13:00
0.7mm
14:00
1.2mm
15:00
0.5mm
16:00
0.3mm
17:00
0.5mm
18:00
0.9mm
19:00
0.6mm
20:00
0.1mm
21:00
0.3mm
22:00
0.4mm
23:00
0.7mm
00:00
3mm
01:00
7.5mm
02:00
7.1mm
03:00
1.7mm
04:00 15:00 03:00

Wind

12.8m/s
0m/s
04:00
7.1 m/s
05:00
7.5 m/s
06:00
6.4 m/s
07:00
5.8 m/s
08:00
5 m/s
09:00
5.2 m/s
10:00
5.6 m/s
11:00
5.8 m/s
12:00
6.4 m/s
13:00
7.4 m/s
14:00
6.9 m/s
15:00
6.1 m/s
16:00
6 m/s
17:00
6.3 m/s
18:00
7.4 m/s
19:00
7.2 m/s
20:00
8.1 m/s
21:00
8.1 m/s
22:00
9.5 m/s
23:00
10.5 m/s
00:00
11 m/s
01:00
11.2 m/s
02:00
12.8 m/s
03:00
10.5 m/s
04:00 15:00 03:00

Radiation

0.054 uSv
13.4 km
6.7%

Measurement time: 2026-01-31 23:00

source: remap_europe

We display the worst measurements from all stations in the area. This approach provides a more cautious assessment of air quality, accounting for local pollution sources.

AQI
11.5 km
97
32.3%

Measurement time: 2026-02-01 03:00

Calculated from PM2.5/PM10

O3
11.9 km
77.03 µg/m3
48.1%

Measurement time: 2026-02-01 04:22

source: OpenWeatherMap

PM2.5
11.5 km
34 µg/m3
40.5%

Measurement time: 2026-02-01 03:00

source: Aqicn

PM10
11.5 km
29 µg/m3
20.7%

Measurement time: 2026-02-01 03:00

source: Aqicn

NO2
11.5 km
6 µg/m3
3%

Measurement time: 2026-02-01 03:00

source: Aqicn

CO
11.9 km
0.11186 mg/m3
0.8%

Measurement time: 2026-02-01 04:22

source: OpenWeatherMap

SO2
11.9 km
0.39 µg/m3
0.1%

Measurement time: 2026-02-01 04:22

source: OpenWeatherMap

About Air Quality in Massamá

Air quality in Massamá is monitored in real-time by sensors and measurement stations. On this page you'll find current data on major air pollutants including particulate matter PM2.5 and PM10, nitrogen dioxide (NO2), ozone (O3), and radiation levels.

Common Pollutants in Massamá

  • PM2.5 - fine particulate matter up to 2.5 micrometers, particularly harmful to health
  • PM10 - particulate matter up to 10 micrometers from traffic and industry
  • NO2 - nitrogen dioxide mainly emitted by vehicles
  • O3 - tropospheric ozone formed in photochemical reactions

When is Air Quality Best in Massamá?

Generally, the best air quality occurs:

  • Early morning (5:00-7:00 AM) before rush hour traffic
  • After rainfall which cleanses the atmosphere
  • During strong winds that disperse pollutants
  • In summer months when heating systems are less used

Tips for Runners in Massamá

If you're planning outdoor activities in Massamá, always check the current AQI value. When AQI exceeds 100, consider moving your workout indoors or shortening the distance. People with respiratory issues, children, and seniors should be especially cautious during elevated pollution levels. Choose routes away from busy streets and industrial areas.