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Zefyri (Attica) (GR)

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

Partly cloudy
8°C
Partly cloudy
Humidity
97.6%
Wind
2 m/s
Pressure
1017.8 hPa
Direction
122°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
8° / 14°
Precip.
6.1mm
Max wind
9 m/s

Hourly Forecast

04.02
Now
Weather
04.02
06:00
Weather
04.02
07:00
Weather
12°
04.02
08:00
Weather
13°
6
04.02
09:00
Weather
14°
7
04.02
10:00
Weather
14°
0.2
8
04.02
11:00
Weather
14°
8
04.02
12:00
Weather
14°
8
04.02
13:00
Weather
14°
8
04.02
14:00
Weather
14°
7
04.02
15:00
Weather
13°
7
04.02
16:00
Weather
12°
6
04.02
17:00
Weather
12°
04.02
18:00
Weather
12°
04.02
19:00
Weather
11°
04.02
20:00
Weather
11°
5
04.02
21:00
Weather
12°
6
04.02
22:00
Weather
13°
0.1
6
04.02
23:00
Weather
13°
6
05.02
00:00
Weather
13°
0.2
7
05.02
01:00
Weather
13°
0.5
7
05.02
02:00
Weather
13°
2.5
9
05.02
03:00
Weather
11°
2
9
05.02
04:00
Weather
11°
0.6
7

Temperature

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

Precipitation

2.5mm
0mm
10:00
0.2mm
22:00
0.1mm
00:00
0.2mm
01:00
0.5mm
02:00
2.5mm
03:00
2mm
04:00
0.6mm
05:00 16:00 04:00

Wind

9m/s
0m/s
05:00
2.2 m/s
06:00
2.8 m/s
07:00
3.9 m/s
08:00
5.8 m/s
09:00
6.7 m/s
10:00
7.6 m/s
11:00
7.6 m/s
12:00
7.7 m/s
13:00
7.6 m/s
14:00
7.1 m/s
15:00
7.1 m/s
16:00
6.4 m/s
17:00
4.9 m/s
18:00
4.7 m/s
19:00
4.7 m/s
20:00
5.1 m/s
21:00
5.7 m/s
22:00
5.6 m/s
23:00
6 m/s
00:00
7.2 m/s
01:00
7.4 m/s
02:00
8.6 m/s
03:00
9 m/s
04:00
7.4 m/s
05:00 16:00 04:00

Radiation

0.059 uSv
11.8 km
7.4%

Measurement time: 2026-02-04 00:00

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
6.2 km
18
6%

Measurement time: 2026-02-04 03:36

Calculated from PM2.5/PM10

O3
6.2 km
88.46 µg/m3
55.3%

Measurement time: 2026-02-04 03:36

source: OpenWeatherMap

PM10
6.2 km
9.35 µg/m3
6.7%

Measurement time: 2026-02-04 03:36

source: OpenWeatherMap

PM2.5
6.2 km
4.52 µg/m3
5.4%

Measurement time: 2026-02-04 03:36

source: OpenWeatherMap

CO
6.2 km
0.14007 mg/m3
1%

Measurement time: 2026-02-04 03:36

source: OpenWeatherMap

NO2
6.2 km
0.75 µg/m3
0.4%

Measurement time: 2026-02-04 03:36

source: OpenWeatherMap

SO2
6.2 km
1.07 µg/m3
0.3%

Measurement time: 2026-02-04 03:36

source: OpenWeatherMap

About Air Quality in Zefyri

Air quality in Zefyri 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 Zefyri

  • 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 Zefyri?

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 Zefyri

If you're planning outdoor activities in Zefyri, 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.