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Alpiarça (Santarém) (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

Fair
10°C
Fair
Humidity
80.3%
Wind
7 m/s
Pressure
997.1 hPa
Direction
250°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
7° / 12°
Precip.
10.3mm
Max wind
8 m/s

Hourly Forecast

02.02
Now
Weather
10°
7
02.02
08:00
Weather
10°
6
02.02
09:00
Weather
11°
0.9
5
02.02
10:00
Weather
10°
2.6
6
02.02
11:00
Weather
11°
0.9
02.02
12:00
Weather
12°
1.7
7
02.02
13:00
Weather
11°
0.3
8
02.02
14:00
Weather
11°
8
02.02
15:00
Weather
12°
0.2
8
02.02
16:00
Weather
12°
7
02.02
17:00
Weather
11°
6
02.02
18:00
Weather
10°
02.02
19:00
Weather
10°
0.4
02.02
20:00
Weather
0.6
02.02
21:00
Weather
02.02
22:00
Weather
0.2
02.02
23:00
Weather
0.1
03.02
00:00
Weather
03.02
01:00
Weather
03.02
02:00
Weather
0.3
03.02
03:00
Weather
0.3
03.02
04:00
Weather
03.02
05:00
Weather
0.7
03.02
06:00
Weather
1.1

Temperature

12°C
7°C
07:00
10°C
08:00
10°C
09:00
11°C
10:00
10°C
11:00
11°C
12:00
12°C
13:00
11°C
14:00
11°C
15:00
12°C
16:00
12°C
17:00
11°C
18:00
10°C
19:00
10°C
20:00
9°C
21:00
9°C
22:00
9°C
23:00
8°C
00:00
8°C
01:00
8°C
02:00
7°C
03:00
8°C
04:00
8°C
05:00
8°C
06:00
7°C
07:00 18:00 06:00

Precipitation

2.6mm
0mm
09:00
0.9mm
10:00
2.6mm
11:00
0.9mm
12:00
1.7mm
13:00
0.3mm
15:00
0.2mm
19:00
0.4mm
20:00
0.6mm
22:00
0.2mm
23:00
0.1mm
02:00
0.3mm
03:00
0.3mm
05:00
0.7mm
06:00
1.1mm
07:00 18:00 06:00

Wind

8m/s
0m/s
07:00
6.6 m/s
08:00
5.8 m/s
09:00
5.1 m/s
10:00
6.3 m/s
11:00
4.9 m/s
12:00
6.8 m/s
13:00
7.8 m/s
14:00
7.5 m/s
15:00
8 m/s
16:00
7.3 m/s
17:00
5.9 m/s
18:00
4.7 m/s
19:00
4.7 m/s
20:00
3.8 m/s
21:00
4.1 m/s
22:00
4.8 m/s
23:00
3.9 m/s
00:00
4.1 m/s
01:00
3.4 m/s
02:00
3.5 m/s
03:00
4 m/s
04:00
3.8 m/s
05:00
3.4 m/s
06:00
4 m/s
07:00 18:00 06:00

Radiation

0.026 uSv
41.1 km
3.3%

Measurement time: 2026-01-31 16:00

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
74.8 km
69
23%

Measurement time: 2026-02-02 06:00

Calculated from PM2.5/PM10

O3
73.7 km
87.92 µg/m3
54.9%

Measurement time: 2026-02-02 08:10

source: OpenWeatherMap

PM2.5
74.8 km
21 µg/m3
25%

Measurement time: 2026-02-02 06:00

source: Aqicn

PM10
69.8 km
11 µg/m3
7.9%

Measurement time: 2026-02-02 06:00

source: Aqicn

NO2
74.8 km
5.5 µg/m3
2.8%

Measurement time: 2026-02-02 06:00

source: Aqicn

CO
73.7 km
0.1341 mg/m3
1%

Measurement time: 2026-02-02 08:10

source: OpenWeatherMap

SO2
69.8 km
0.6 µg/m3
0.2%

Measurement time: 2026-02-02 06:00

source: Aqicn

Info


Country: Portugal
Region: Santarém
Latitude: 39.25712
Longitude: -8.58187


Solar Energy

Low
223.3 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Alpiarça

About Air Quality in Alpiarça

Air quality in Alpiarça 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 Alpiarça

  • 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 Alpiarça?

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 Alpiarça

If you're planning outdoor activities in Alpiarça, 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.