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Honchō (Chiba) (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

Cloudy
16°C
Cloudy
Humidity
71.7%
Wind
8 m/s
Pressure
1016.2 hPa
Direction
198°
Sunrise
04:00
Sunset
16:00
24h Forecast:
Temp.
16° / 19°
Precip.
18.6mm
Max wind
13.5 m/s

Hourly Forecast

09.04
Now
Weather
16°
8
09.04
13:00
Weather
16°
8
09.04
14:00
Weather
16°
8
09.04
15:00
Weather
16°
8
09.04
16:00
Weather
16°
8
09.04
17:00
Weather
16°
0.4
8
09.04
18:00
Weather
16°
0.2
8
09.04
19:00
Weather
16°
0.1
8
09.04
20:00
Weather
16°
8
09.04
21:00
Weather
16°
9
09.04
22:00
Weather
17°
9
09.04
23:00
Weather
17°
8
10.04
00:00
Weather
18°
0.4
10
10.04
01:00
Weather
18°
1.1
11
10.04
02:00
Weather
18°
1
11
10.04
03:00
Weather
18°
1.2
10
10.04
04:00
Weather
18°
0.4
10
10.04
05:00
Weather
18°
0.7
11
10.04
06:00
Weather
19°
0.6
12
10.04
07:00
Weather
19°
0.5
14
10.04
08:00
Weather
19°
0.6
13
10.04
09:00
Weather
19°
0.8
13
10.04
10:00
Weather
19°
3.5
11
10.04
11:00
Weather
19°
7.1
11

Temperature

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

Precipitation

7.1mm
0mm
17:00
0.4mm
18:00
0.2mm
19:00
0.1mm
00:00
0.4mm
01:00
1.1mm
02:00
1mm
03:00
1.2mm
04:00
0.4mm
05:00
0.7mm
06:00
0.6mm
07:00
0.5mm
08:00
0.6mm
09:00
0.8mm
10:00
3.5mm
11:00
7.1mm
12:00 23:00 11:00

Wind

13.5m/s
0m/s
12:00
8.1 m/s
13:00
7.8 m/s
14:00
8.3 m/s
15:00
7.6 m/s
16:00
7.8 m/s
17:00
7.7 m/s
18:00
7.8 m/s
19:00
8.2 m/s
20:00
8.1 m/s
21:00
8.9 m/s
22:00
8.8 m/s
23:00
8.2 m/s
00:00
9.6 m/s
01:00
10.5 m/s
02:00
11.2 m/s
03:00
10.3 m/s
04:00
9.8 m/s
05:00
11.2 m/s
06:00
12.2 m/s
07:00
13.5 m/s
08:00
12.8 m/s
09:00
12.7 m/s
10:00
11.2 m/s
11:00
11 m/s
12:00 23:00 11:00

Radiation

0.059 uSv
23.9 km
7.4%

Measurement time: 2026-04-09 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
32.3 km
107
35.7%

Measurement time: 2026-04-09 13:00

Calculated from PM2.5/PM10

PM2.5
32.3 km
38 µg/m3
45.2%

Measurement time: 2026-04-09 13:00

source: Aqicn

O3
42.6 km
48.8 µg/m3
30.5%

Measurement time: 2026-04-09 13:00

source: Aqicn

PM10
42.6 km
13 µg/m3
9.3%

Measurement time: 2026-04-09 13:00

source: Aqicn

NO2
42.6 km
7.5 µg/m3
3.8%

Measurement time: 2026-04-09 13:00

source: Aqicn

SO2
42.6 km
2.9 µg/m3
0.8%

Measurement time: 2026-04-09 13:00

source: Aqicn

CO
27.5 km
0.0023 mg/m3
0%

Measurement time: 2026-04-09 13:00

source: Aqicn

Info


Country: Japan
Region: Chiba
Latitude: 35.70129
Longitude: 139.98648


Solar Energy

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0 W/m²
Solar Radiation
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About Air Quality in Honchō

Air quality in Honchō 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 Honchō

  • 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 Honchō?

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 Honchō

If you're planning outdoor activities in Honchō, 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.