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Şimleu Silvaniei (Sălaj) (RO)

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

Cloudy
10°C
Cloudy
Humidity
89.9%
Wind
4 m/s
Pressure
1011.3 hPa
Direction
283°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
3° / 12°
Precip.
2.2mm
Max wind
5.1 m/s

Hourly Forecast

20.04
Now
Weather
10°
20.04
18:00
Weather
20.04
19:00
Weather
20.04
20:00
Weather
20.04
21:00
Weather
20.04
22:00
Weather
20.04
23:00
Weather
21.04
00:00
Weather
21.04
01:00
Weather
21.04
02:00
Weather
21.04
03:00
Weather
21.04
04:00
Weather
21.04
05:00
Weather
21.04
06:00
Weather
21.04
07:00
Weather
21.04
08:00
Weather
10°
21.04
09:00
Weather
11°
21.04
10:00
Weather
12°
1.3
21.04
11:00
Weather
11°
0.3
21.04
12:00
Weather
10°
0.2
21.04
13:00
Weather
11°
21.04
14:00
Weather
10°
21.04
15:00
Weather
11°
0.2
5
21.04
16:00
Weather
0.2

Temperature

12°C
3°C
17:00
10°C
18:00
9°C
19:00
9°C
20:00
8°C
21:00
7°C
22:00
6°C
23:00
5°C
00:00
5°C
01:00
4°C
02:00
3°C
03:00
3°C
04:00
3°C
05:00
6°C
06:00
7°C
07:00
9°C
08:00
10°C
09:00
11°C
10:00
12°C
11:00
11°C
12:00
10°C
13:00
11°C
14:00
10°C
15:00
11°C
16:00
9°C
17:00 04:00 16:00

Precipitation

1.3mm
0mm
10:00
1.3mm
11:00
0.3mm
12:00
0.2mm
15:00
0.2mm
16:00
0.2mm
17:00 04:00 16:00

Wind

5.1m/s
0m/s
17:00
4.3 m/s
18:00
2.3 m/s
19:00
2 m/s
20:00
2.6 m/s
21:00
2.6 m/s
22:00
2.2 m/s
23:00
2 m/s
00:00
2 m/s
01:00
1.7 m/s
02:00
1.6 m/s
03:00
1.6 m/s
04:00
1.7 m/s
05:00
2.2 m/s
06:00
2.4 m/s
07:00
3.1 m/s
08:00
3.6 m/s
09:00
3.9 m/s
10:00
4.3 m/s
11:00
4.1 m/s
12:00
4.9 m/s
13:00
5 m/s
14:00
5 m/s
15:00
5.1 m/s
16:00
4.8 m/s
17:00 04:00 16:00

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
80.4 km
17
5.7%

Measurement time: 2026-04-20 18:00

Calculated from PM2.5/PM10

O3
63.5 km
84.86 µg/m3
53%

Measurement time: 2026-04-20 19:36

source: OpenWeatherMap

PM10
80.4 km
19 µg/m3
13.6%

Measurement time: 2026-04-20 18:00

source: Aqicn

NO2
67.8 km
16.4 µg/m3
8.2%

Measurement time: 2026-04-20 17:00

source: Aqicn

PM2.5
63.5 km
1.85 µg/m3
2.2%

Measurement time: 2026-04-20 19:36

source: OpenWeatherMap

SO2
63.1 km
3.8 µg/m3
1.1%

Measurement time: 2026-04-20 19:00

source: Aqicn

CO
63.5 km
0.14318 mg/m3
1%

Measurement time: 2026-04-20 19:36

source: OpenWeatherMap

Info


Country: Romania
Region: Sălaj
Latitude: 47.23333
Longitude: 22.8

Cities in the area:

About Air Quality in Şimleu Silvaniei

Air quality in Şimleu Silvaniei 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 Şimleu Silvaniei

  • 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 Şimleu Silvaniei?

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 Şimleu Silvaniei

If you're planning outdoor activities in Şimleu Silvaniei, 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.