Air Quality in Hannō, Japan

Cloudy
21.8°C · 71.9% humidity
21.8°
Feels 21.8°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
21 stations

Nearby Monitoring Stations

AQI Forecast
25 11am
25
25
22 2pm
27
34
34 5pm
54
54
54 8pm
66
66
83 11pm
83
66
66 2am
66
54
66 5am
66
66
54 8am
54
27
AD 728×90

Air Quality Index Trend

48h · 2 stn

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.

71.9%
Humidity
39.7 km/h
Wind SE
1014.7 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
22
5.21 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Hannō?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.55.21 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX6.9
High
AD 300×250
Station readings (21 stations within 25 km)
5.21
Median
6.0
Average
2.2
Low
12.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.0

What is the 7-day forecast for Hannō?

06-09
21.8° 19.3°
0.44 mm
06-10
24.9° 16.2°
7.13 mm
06-11
24.6° 17.8°
0.38 mm
06-12
23.7° 17.5°
2.0 mm
06-13
29.2° 18.4°
2.0 mm
06-14
27.1° 17.2°
41.75 mm
06-15
26.4° 19.1°
8.06 mm
Both models agree Avg diff: 2.1°C

Where are air quality stations near Hannō?

39
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
1.1 km PM2.5: 9.4 µg/m³
60
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
1.1 km PM2.5: 16.4 µg/m³
27
Azumacho, Iruma, Saitama, Japan (入間入間市)
7.5 km PM2.5: 6.5 µg/m³
30
Higashioume, Oume, Tokyo, Japan (青梅市東青梅青梅市)
8.2 km PM2.5: 7.2 µg/m³
43
Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町)
9.1 km PM2.5: 10.3 µg/m³
5
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
11.1 km PM2.5: 1.2 µg/m³
50
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
11.1 km PM2.5: 12.0 µg/m³
17
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
11.5 km PM2.5: 4.1 µg/m³
60
Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)
11.9 km PM2.5: 16.4 µg/m³
25
Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)
11.9 km PM2.5: 6.0 µg/m³

What cities are near Hannō?

26 Iruma 20 Hidaka 28 Sayama 28 Morohongō 25 Hakonegasaki 24 Hamura 23 Ōme 25 Yokota 24 Fussa 20 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 2026-06-09T05:12 UTC.