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Odorheiu Secuiesc (Harghita) (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

Nubes dispersas
-1°C
Nubes dispersas
Humidity
89.8%
Wind
4 m/s
Pressure
1013.8 hPa
Direction
72°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
-3° / 11°
Precip.
0mm
Max wind
4.6 m/s

Hourly Forecast

15.03
Now
Weather
-1°
15.03
05:00
Weather
-1°
15.03
06:00
Weather
15.03
07:00
Weather
15.03
08:00
Weather
15.03
09:00
Weather
15.03
10:00
Weather
10°
15.03
11:00
Weather
11°
15.03
12:00
Weather
11°
15.03
13:00
Weather
10°
15.03
14:00
Weather
10°
15.03
15:00
Weather
15.03
16:00
Weather
15.03
17:00
Weather
15.03
18:00
Weather
15.03
19:00
Weather
15.03
20:00
Weather
-1°
15.03
21:00
Weather
-1°
15.03
22:00
Weather
-2°
15.03
23:00
Weather
-2°
16.03
00:00
Weather
-2°
16.03
01:00
Weather
-2°
16.03
02:00
Weather
-2°
16.03
03:00
Weather
-3°

Temperature

11°C
-3°C
04:00
-1°C
05:00
-1°C
06:00
2°C
07:00
5°C
08:00
7°C
09:00
9°C
10:00
10°C
11:00
11°C
12:00
11°C
13:00
10°C
14:00
10°C
15:00
8°C
16:00
6°C
17:00
3°C
18:00
1°C
19:00
0°C
20:00
-1°C
21:00
-1°C
22:00
-2°C
23:00
-2°C
00:00
-2°C
01:00
-2°C
02:00
-2°C
03:00
-3°C
04:00 15:00 03:00

Precipitation

0mm
0mm
04:00 15:00 03:00

Wind

4.6m/s
0m/s
04:00
4.3 m/s
05:00
4.4 m/s
06:00
4.1 m/s
07:00
3.5 m/s
08:00
3.9 m/s
09:00
4.4 m/s
10:00
4.6 m/s
11:00
4.4 m/s
12:00
4.3 m/s
13:00
4.4 m/s
14:00
4.3 m/s
15:00
4.6 m/s
16:00
4 m/s
17:00
4.2 m/s
18:00
4 m/s
19:00
3.6 m/s
20:00
3.3 m/s
21:00
3.1 m/s
22:00
3.1 m/s
23:00
3 m/s
00:00
3 m/s
01:00
3 m/s
02:00
3 m/s
03:00
2.9 m/s
04:00 15:00 03:00

Radiation

0.098 uSv
39.2 km
12.3%

Measurement time: 2026-03-13 11:00

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
85.2 km
51
17%

Measurement time: 2026-03-15 04:29

Calculated from PM2.5/PM10

O3
44.3 km
89.06 µg/m3
55.7%

Measurement time: 2026-03-15 03:23

source: OpenWeatherMap

PM2.5
85.2 km
12.56 µg/m3
15%

Measurement time: 2026-03-15 04:29

source: OpenWeatherMap

PM10
85.2 km
18.02 µg/m3
12.9%

Measurement time: 2026-03-15 04:29

source: OpenWeatherMap

NO2
76.1 km
7.5 µg/m3
3.8%

Measurement time: 2026-03-15 05:00

source: Aqicn

CO
85.2 km
0.19223 mg/m3
1.4%

Measurement time: 2026-03-15 04:29

source: OpenWeatherMap

SO2
76.1 km
3 µg/m3
0.9%

Measurement time: 2026-03-15 05:00

source: Aqicn

Info


Country: Romania
Region: Harghita
Latitude: 46.3
Longitude: 25.3

Cities in the area:

About Air Quality in Odorheiu Secuiesc

Air quality in Odorheiu Secuiesc 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 Odorheiu Secuiesc

  • 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 Odorheiu Secuiesc?

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 Odorheiu Secuiesc

If you're planning outdoor activities in Odorheiu Secuiesc, 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.