What is the air quality in Hanyū today?

The current Air Quality Index (AQI) in Hanyū is 40 (Good). PM2.5 concentration is 9.5 µg/m³.

What is the temperature in Hanyū right now?

The current temperature in Hanyū is 16.1°C (feels like 16.1°C). Humidity is 68.5% and wind speed is 15.7 km/h.

Is it safe to go outside in Hanyū?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Hanyū, Japan

Drizzle

16.1°C · 68.5% humidity

16.1°

Feels 16.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

14 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 52 stn

View full history →

Hanyū's air quality is influenced by industrial emissions, vehicle traffic, and regional pollution transport. Winter heating season and spring dust events typically create the most challenging air quality conditions.

68.5%

Humidity

15.7 km/h

Wind ENE

1021.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.5 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Hanyū?

Temperature & Precipitation

PM2.5 Trend

45h · 52 stations

PM2.59.5 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (14 stations within 25 km)

9.5

Median

9.51

Average

3.1

Low

23.0

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +4.0

What is the 7-day forecast for Hanyū?

10-21

21.1° 16.1°

0.25 mm

10-22

23.7° 16.6°

10-23

21.6° 15.1°

10-24

21.4° 17.1°

0.25 mm

10-25

19.6° 14.0°

4.69 mm

10-26

22.0° 14.0°

10-27

18.8° 14.9°

Both models agree Avg diff: 2.8°C

Where are air quality stations near Hanyū?

Raiha, Kazo-shi, Saitama-ken, Japan (加須加須市)

6.1 km PM2.5: 6.7 µg/m³

Nagano, Gyōda-shi, Saitama-ken, Japan (行田行田市)

6.5 km PM2.5: 5.3 µg/m³

Kamitanadare, Kazo-shi, Saitama-ken, Japan (環境科学国際センター加須市)

9.4 km PM2.5: 23.0 µg/m³

Tenjin, Konosu, Saitama, Japan (鴻巣天神自排鴻巣市)

11.8 km PM2.5: 21.1 µg/m³

Menumahigashi, Kumagaya-shi, Saitama-ken, Japan (熊谷妻沼東熊谷市)

15.0 km PM2.5: 3.1 µg/m³

Fujiokamachiko, Tochigi, Tochigi, Japan (栃木市藤岡総合文化センター栃木市)

16.1 km PM2.5: 15.0 µg/m³

Fujiokamachiko, Tochigi, Tochigi, Japan (栃木市藤岡総合文化センター栃木市)

16.1 km PM2.5: 8.2 µg/m³

Fujiokamachiko, Tochigi, Tochigi, Japan (栃木市藤岡総合文化センター栃木市)

16.1 km PM2.5: 15.9 µg/m³

Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)

17.0 km PM2.5: 3.1 µg/m³

Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)

19.2 km PM2.5: 3.1 µg/m³

What cities are near Hanyū?

37 Ōwa 23 Gyōda 38 Kazo 58 Kisai 41 Tatebayashi 38 Fukiage-fujimi 69 Kōnosu 56 Shōbu 33 Kumagaya 40 Washinomiya

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-21T08:29 UTC.