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Zalău (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

Light sleet
2°C
Light sleet
Humidity
98.1%
Wind
2 m/s
Pressure
1007.9 hPa
Direction
141°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-0° / 5°
Precip.
0.8mm
Max wind
4.3 m/s

Hourly Forecast

31.01
Now
Weather
0.1
31.01
16:00
Weather
0.2
31.01
17:00
Weather
0.2
31.01
18:00
Weather
0.1
31.01
19:00
Weather
0.1
31.01
20:00
Weather
0.1
31.01
21:00
Weather
31.01
22:00
Weather
31.01
23:00
Weather
01.02
00:00
Weather
01.02
01:00
Weather
01.02
02:00
Weather
01.02
03:00
Weather
01.02
04:00
Weather
01.02
05:00
Weather
01.02
06:00
Weather
-0°
01.02
07:00
Weather
01.02
08:00
Weather
01.02
09:00
Weather
01.02
10:00
Weather
01.02
11:00
Weather
01.02
12:00
Weather
01.02
13:00
Weather
01.02
14:00
Weather

Temperature

5°C
-0°C
15:00
2°C
16:00
1°C
17:00
1°C
18:00
1°C
19:00
1°C
20:00
1°C
21:00
1°C
22:00
1°C
23:00
1°C
00:00
0°C
01:00
0°C
02:00
0°C
03:00
0°C
04:00
0°C
05:00
0°C
06:00
-0°C
07:00
0°C
08:00
1°C
09:00
3°C
10:00
4°C
11:00
5°C
12:00
4°C
13:00
4°C
14:00
4°C
15:00 02:00 14:00

Precipitation

0.2mm
0mm
15:00
0.1mm
16:00
0.2mm
17:00
0.2mm
18:00
0.1mm
19:00
0.1mm
20:00
0.1mm
15:00 02:00 14:00

Wind

4.3m/s
0m/s
15:00
2.3 m/s
16:00
2.1 m/s
17:00
1.7 m/s
18:00
1.6 m/s
19:00
1.8 m/s
20:00
2.1 m/s
21:00
2.4 m/s
22:00
3 m/s
23:00
3.2 m/s
00:00
3.2 m/s
01:00
3.3 m/s
02:00
3.2 m/s
03:00
3.2 m/s
04:00
3.5 m/s
05:00
3.7 m/s
06:00
3.8 m/s
07:00
4.3 m/s
08:00
3.8 m/s
09:00
3.9 m/s
10:00
3.9 m/s
11:00
3.8 m/s
12:00
3.6 m/s
13:00
3.4 m/s
14:00
3.2 m/s
15:00 02:00 14:00

Radiation

0.101 uSv
76.7 km
12.6%

Measurement time: 2026-01-31 14:00

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
69.3 km
30
10%

Measurement time: 2026-01-31 16:20

Calculated from PM2.5/PM10

PM10
62.4 km
31 µg/m3
22.1%

Measurement time: 2026-01-31 15:00

source: Aqicn

O3
69.3 km
32.06 µg/m3
20%

Measurement time: 2026-01-31 16:20

source: OpenWeatherMap

PM2.5
69.3 km
7.33 µg/m3
8.7%

Measurement time: 2026-01-31 16:20

source: OpenWeatherMap

NO2
63.6 km
16.3 µg/m3
8.2%

Measurement time: 2026-01-31 16:00

source: Aqicn

CO
69.3 km
0.27809 mg/m3
2%

Measurement time: 2026-01-31 16:20

source: OpenWeatherMap

SO2
63.6 km
4.1 µg/m3
1.2%

Measurement time: 2026-01-31 16:00

source: Aqicn

Info


Country: Romania
Region: Sălaj
Latitude: 47.2
Longitude: 23.05


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0 W/m²
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About Air Quality in Zalău

Air quality in Zalău 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 Zalău

  • 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 Zalău?

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 Zalău

If you're planning outdoor activities in Zalău, 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.