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Sison (Ilocos) (PH)

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

Słabe przelotne opady
29°C
Słabe przelotne opady
Humidity
52.5%
Wind
3 m/s
Pressure
1015.3 hPa
Direction
184°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
21° / 30°
Precip.
0.8mm
Max wind
5.3 m/s

Hourly Forecast

28.01
Now
Weather
29°
0.1
28.01
04:00
Weather
29°
28.01
05:00
Weather
29°
0.2
28.01
06:00
Weather
30°
0.2
28.01
07:00
Weather
29°
0.2
28.01
08:00
Weather
29°
28.01
09:00
Weather
27°
0.1
28.01
10:00
Weather
25°
28.01
11:00
Weather
25°
28.01
12:00
Weather
24°
28.01
13:00
Weather
23°
28.01
14:00
Weather
23°
28.01
15:00
Weather
23°
28.01
16:00
Weather
22°
5
28.01
17:00
Weather
22°
5
28.01
18:00
Weather
22°
5
28.01
19:00
Weather
22°
5
28.01
20:00
Weather
22°
28.01
21:00
Weather
21°
28.01
22:00
Weather
21°
28.01
23:00
Weather
21°
5
29.01
00:00
Weather
24°
5
29.01
01:00
Weather
26°
29.01
02:00
Weather
28°

Temperature

30°C
21°C
03:00
29°C
04:00
29°C
05:00
29°C
06:00
30°C
07:00
29°C
08:00
29°C
09:00
27°C
10:00
25°C
11:00
25°C
12:00
24°C
13:00
23°C
14:00
23°C
15:00
23°C
16:00
22°C
17:00
22°C
18:00
22°C
19:00
22°C
20:00
22°C
21:00
21°C
22:00
21°C
23:00
21°C
00:00
24°C
01:00
26°C
02:00
28°C
03:00 14:00 02:00

Precipitation

0.2mm
0mm
03:00
0.1mm
05:00
0.2mm
06:00
0.2mm
07:00
0.2mm
09:00
0.1mm
03:00 14:00 02:00

Wind

5.3m/s
0m/s
03:00
3 m/s
04:00
2.4 m/s
05:00
2.4 m/s
06:00
2.5 m/s
07:00
2.8 m/s
08:00
3.5 m/s
09:00
3.5 m/s
10:00
3 m/s
11:00
2 m/s
12:00
4.3 m/s
13:00
4.2 m/s
14:00
4.7 m/s
15:00
5 m/s
16:00
5.2 m/s
17:00
5.2 m/s
18:00
5.1 m/s
19:00
5.1 m/s
20:00
5 m/s
21:00
5 m/s
22:00
5 m/s
23:00
5.1 m/s
00:00
5.3 m/s
01:00
5 m/s
02:00
4.1 m/s
03:00 14:00 02:00

Radiation

No sensor within 100 km.

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
19.4 km
28
9.3%

Measurement time: 2026-01-28 03:25

Calculated from PM2.5/PM10

O3
19.4 km
79.87 µg/m3
49.9%

Measurement time: 2026-01-28 03:25

source: OpenWeatherMap

PM10
19.4 km
11.81 µg/m3
8.4%

Measurement time: 2026-01-28 03:25

source: OpenWeatherMap

PM2.5
19.4 km
6.79 µg/m3
8.1%

Measurement time: 2026-01-28 03:25

source: OpenWeatherMap

NO2
19.4 km
3.19 µg/m3
1.6%

Measurement time: 2026-01-28 03:25

source: OpenWeatherMap

CO
19.4 km
0.20724 mg/m3
1.5%

Measurement time: 2026-01-28 03:25

source: OpenWeatherMap

SO2
19.4 km
2.46 µg/m3
0.7%

Measurement time: 2026-01-28 03:25

source: OpenWeatherMap

Info


Country: Philippines
Region: Ilocos
Latitude: 16.17389
Longitude: 120.51528

Cities in the area:


Solar Energy

Good
658 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Sison

About Air Quality in Sison

Air quality in Sison 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 Sison

  • 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 Sison?

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 Sison

If you're planning outdoor activities in Sison, 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.