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Hitachi-Naka (Ibaraki) (JP)

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

Nuageux
8°C
Nuageux
Humidity
68.3%
Wind
4 m/s
Pressure
1014.7 hPa
Direction
71°
Sunrise
05:00
Sunset
17:00
24h Forecast:
Temp.
4° / 13°
Precip.
0.6mm
Max wind
10.3 m/s

Hourly Forecast

20.03
Now
Weather
20.03
06:00
Weather
0.4
20.03
07:00
Weather
20.03
08:00
Weather
0.1
20.03
09:00
Weather
0.1
20.03
10:00
Weather
20.03
11:00
Weather
20.03
12:00
Weather
20.03
13:00
Weather
20.03
14:00
Weather
20.03
15:00
Weather
20.03
16:00
Weather
20.03
17:00
Weather
9
20.03
18:00
Weather
10
20.03
19:00
Weather
9
20.03
20:00
Weather
8
20.03
21:00
Weather
6
20.03
22:00
Weather
6
20.03
23:00
Weather
6
21.03
00:00
Weather
6
21.03
01:00
Weather
10°
6
21.03
02:00
Weather
11°
6
21.03
03:00
Weather
12°
6
21.03
04:00
Weather
13°
6

Temperature

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

Precipitation

0.4mm
0mm
06:00
0.4mm
08:00
0.1mm
09:00
0.1mm
05:00 16:00 04:00

Wind

10.3m/s
0m/s
05:00
3.8 m/s
06:00
3.2 m/s
07:00
3 m/s
08:00
2.9 m/s
09:00
2.7 m/s
10:00
3 m/s
11:00
2.7 m/s
12:00
2.3 m/s
13:00
2.6 m/s
14:00
2.7 m/s
15:00
3.5 m/s
16:00
4.6 m/s
17:00
8.9 m/s
18:00
10.3 m/s
19:00
8.6 m/s
20:00
7.7 m/s
21:00
6.4 m/s
22:00
5.9 m/s
23:00
6.4 m/s
00:00
6.3 m/s
01:00
6.2 m/s
02:00
6.1 m/s
03:00
6.1 m/s
04:00
5.9 m/s
05:00 16:00 04:00

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
94.6 km
117
39%

Measurement time: 2026-03-20 05:00

Calculated from PM2.5/PM10

PM2.5
94.6 km
42 µg/m3
50%

Measurement time: 2026-03-20 05:00

source: Aqicn

O3
94.6 km
31.2 µg/m3
19.5%

Measurement time: 2026-03-20 05:00

source: Aqicn

PM10
94.6 km
13 µg/m3
9.3%

Measurement time: 2026-03-20 05:00

source: Aqicn

NO2
94.6 km
4.7 µg/m3
2.4%

Measurement time: 2026-03-20 05:00

source: Aqicn

SO2
94.6 km
1.5 µg/m3
0.4%

Measurement time: 2026-03-20 05:00

source: Aqicn

Info


Country: Japan
Region: Ibaraki
Latitude: 36.39659
Longitude: 140.53479


Solar Energy

Low
191.4 W/m²
Solar Radiation
Solar Calculator
Calculate energy production for Hitachi-Naka

About Air Quality in Hitachi-Naka

Air quality in Hitachi-Naka 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 Hitachi-Naka

  • 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 Hitachi-Naka?

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 Hitachi-Naka

If you're planning outdoor activities in Hitachi-Naka, 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.