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Castelu (Constanța) (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

Chuva fraca
11°C
Chuva fraca
Humidity
85.6%
Wind
6 m/s
Pressure
1004.6 hPa
Direction
336°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
7° / 14°
Precip.
4.5mm
Max wind
7.4 m/s

Hourly Forecast

30.03
Now
Weather
11°
0.2
6
30.03
07:00
Weather
11°
0.3
6
30.03
08:00
Weather
12°
0.3
7
30.03
09:00
Weather
12°
0.2
7
30.03
10:00
Weather
12°
0.2
7
30.03
11:00
Weather
13°
7
30.03
12:00
Weather
13°
7
30.03
13:00
Weather
14°
7
30.03
14:00
Weather
13°
6
30.03
15:00
Weather
13°
5
30.03
16:00
Weather
12°
0.2
30.03
17:00
Weather
11°
0.3
30.03
18:00
Weather
10°
0.4
30.03
19:00
Weather
10°
0.3
30.03
20:00
Weather
10°
0.3
30.03
21:00
Weather
10°
0.2
30.03
22:00
Weather
10°
0.2
30.03
23:00
Weather
10°
0.2
31.03
00:00
Weather
0.1
31.03
01:00
Weather
0.1
5
31.03
02:00
Weather
0.2
6
31.03
03:00
Weather
0.2
5
31.03
04:00
Weather
0.2
5
31.03
05:00
Weather
0.4

Temperature

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

Precipitation

0.4mm
0mm
06:00
0.2mm
07:00
0.3mm
08:00
0.3mm
09:00
0.2mm
10:00
0.2mm
16:00
0.2mm
17:00
0.3mm
18:00
0.4mm
19:00
0.3mm
20:00
0.3mm
21:00
0.2mm
22:00
0.2mm
23:00
0.2mm
00:00
0.1mm
01:00
0.1mm
02:00
0.2mm
03:00
0.2mm
04:00
0.2mm
05:00
0.4mm
06:00 17:00 05:00

Wind

7.4m/s
0m/s
06:00
5.8 m/s
07:00
5.7 m/s
08:00
7.4 m/s
09:00
6.9 m/s
10:00
6.6 m/s
11:00
6.7 m/s
12:00
7.4 m/s
13:00
6.9 m/s
14:00
6.2 m/s
15:00
5.4 m/s
16:00
4.7 m/s
17:00
4.7 m/s
18:00
4.7 m/s
19:00
4.4 m/s
20:00
4.2 m/s
21:00
4.2 m/s
22:00
4.4 m/s
23:00
4.6 m/s
00:00
4.9 m/s
01:00
5.3 m/s
02:00
5.5 m/s
03:00
5.4 m/s
04:00
5.2 m/s
05:00
4.9 m/s
06:00 17:00 05:00

Radiation

0.1 uSv
5.2 km
12.5%

Measurement time: 2026-03-30 05:00

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
25.7 km
17
5.7%

Measurement time: 2026-03-30 08:00

Calculated from PM2.5/PM10

O3
35 km
72.4 µg/m3
45.3%

Measurement time: 2026-03-30 08:07

source: OpenWeatherMap

PM10
25.7 km
19 µg/m3
13.6%

Measurement time: 2026-03-30 08:00

source: Aqicn

NO2
25.7 km
6.8 µg/m3
3.4%

Measurement time: 2026-03-30 08:00

source: Aqicn

PM2.5
35 km
2.5 µg/m3
3%

Measurement time: 2026-03-30 08:07

source: OpenWeatherMap

CO
35 km
0.17221 mg/m3
1.2%

Measurement time: 2026-03-30 08:07

source: OpenWeatherMap

SO2
35 km
0.44 µg/m3
0.1%

Measurement time: 2026-03-30 08:07

source: OpenWeatherMap

Info


Country: Romania
Region: Constanța
Latitude: 44.25
Longitude: 28.33333

Cities in the area:


Solar Energy

Moderate
348 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Castelu

About Air Quality in Castelu

Air quality in Castelu 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 Castelu

  • 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 Castelu?

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 Castelu

If you're planning outdoor activities in Castelu, 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.