What is the air quality in Hannō today?

The current Air Quality Index (AQI) in Hannō is 39 (Good). PM2.5 concentration is 9.37 µg/m³.

What is the temperature in Hannō right now?

The current temperature in Hannō is 12.7°C (feels like 12.7°C). Humidity is 93.2% and wind speed is 15.6 km/h.

Is it safe to go outside in Hannō?

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

Air Quality in Hannō, Japan

Rain

12.7°C · 93.2% humidity

12.7°

Feels 12.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

22 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 87 stn

View full history →

Hannō'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.

93.2%

Humidity

15.6 km/h

Wind N

1021.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.37 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Hannō?

Temperature & Precipitation

PM2.5 Trend

45h · 87 stations

PM2.59.37 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (22 stations within 25 km)

9.37

Median

8.78

Average

2.9

Low

21.1

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -3.6

What is the 7-day forecast for Hannō?

10-21

18.0° 12.7°

2.44 mm

10-22

19.8° 15.3°

0.19 mm

10-23

20.7° 10.9°

10-24

17.4° 15.0°

1.25 mm

10-25

17.4° 10.2°

4.94 mm

10-26

18.5° 11.2°

0.06 mm

10-27

15.6° 12.9°

0.31 mm

Both models agree Avg diff: 3.5°C

Where are air quality stations near Hannō?

Azumacho, Iruma, Saitama, Japan (入間入間市)

7.5 km PM2.5: 15.0 µg/m³

Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町)

9.1 km PM2.5: 15.9 µg/m³

Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町)

9.1 km PM2.5: 23.0 µg/m³

Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)

11.1 km PM2.5: 3.8 µg/m³

Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)

11.5 km PM2.5: 4.3 µg/m³

Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)

11.9 km PM2.5: 5.0 µg/m³

Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)

15.2 km PM2.5: 16.9 µg/m³

Senbamachi, Kawagoe, Saitama, Japan (川越市仙波川越市)

16.8 km PM2.5: 21.1 µg/m³

Honcho, Higashimurayama, Tokyo, Japan (新青梅街道東村山東村山市)

17.7 km PM2.5: 6.0 µg/m³

Higashitokorozawa, Tokorozawa, Saitama, Japan (所沢市東所沢所沢市)

19.0 km PM2.5: 3.6 µg/m³

What cities are near Hannō?

39 Iruma 32 Hidaka 37 Sayama 22 Morohongō 57 Hakonegasaki 54 Hamura 34 Ōme 34 Yokota 38 Fussa 52 Sakado

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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 2026-10-21T05:27 UTC.