Air Quality in Hannō, Japan

Cloudy
20.2°C · 74.0% humidity
20.2°
Feels 20.2°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
30 stations

Nearby Monitoring Stations

AQI Forecast
25 8am
25
25
42 11am
37
34
31 2pm
31
37
36 5pm
56
55
55 8pm
67
66
83 11pm
83
66
66 2am
66
54
66 5am
66
66
AD 728×90

Air Quality Index Trend

48h · 1 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.

74.0%
Humidity
12.8 km/h
Wind E
1015.7 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
10.2 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Hannō?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.510.2 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (30 stations within 25 km)
10.2
Median
4.46
Average
1.0
Low
11.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -4.0

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?

26
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
1.1 km PM2.5: 6.2 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
25
Higashioume, Oume, Tokyo, Japan (青梅市東青梅青梅市)
8.2 km PM2.5: 6.0 µg/m³
58
Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町)
9.1 km PM2.5: 15.4 µg/m³
15
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
11.1 km PM2.5: 3.6 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
32
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
11.5 km PM2.5: 7.7 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?

21 Iruma 21 Hidaka 19 Sayama 22 Morohongō 19 Hakonegasaki 18 Hamura 21 Ōme 18 Yokota 15 Fussa 19 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 2026-06-09T02:17 UTC.