Air Quality in Hannō, Japan

Drizzle
21.5°C · 91.4% humidity
21.5°
Feels 21.5°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
25 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
20 5pm
20
22
21 8pm
22
20
20 11pm
20
20
20 2am
20
20
20 5am
20
20
20 8am
20
22
29 11am
29
22
22 2pm
22
29
Station readings 5h ago
AQI 20
PM2.5 4.9 µg/m³ · 5h ago
CAMS model adj -5
25
25
27
27
27
25
25
25
25
25
25
25
25
25
25
25
25
27
34
34
27
27
27
34
AD 728×90

Air Quality Index Trend

7h · 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.

91.4%
Humidity
22.4 km/h
Wind NE
1010.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
21
5.11 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Hannō?

Temperature & Precipitation

PM2.5 Trend

7h · 2 stations
PM2.55.11 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (25 stations within 25 km)
5.11
Median
5.34
Average
1.9
Low
8.2
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.1
Both models agree Avg diff: 2.5°C

Where are air quality stations near Hannō?

13
Nakakayama, Hidaka, Saitama, Japan (日高日高市)
5.1 km PM2.5: 3.1 µg/m³
17
Azumacho, Iruma, Saitama, Japan (入間入間市)
7.5 km PM2.5: 4.1 µg/m³
21
Azumacho, Iruma, Saitama, Japan (入間入間市)
7.5 km PM2.5: 5.0 µg/m³
51
Higashioume, Oume, Tokyo, Japan (青梅市東青梅青梅市)
8.2 km PM2.5: 12.1 µg/m³
21
Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町)
9.1 km PM2.5: 5.0 µg/m³
24
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
11.1 km PM2.5: 5.8 µg/m³
29
Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)
11.9 km PM2.5: 7.0 µg/m³
22
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
12.4 km PM2.5: 5.3 µg/m³
33
Tokorozawa (所沢)
14.8 km PM2.5: 7.9 µg/m³
21
Sunashinden, Kawagoe-shi, Saitama-ken, Japan (川越市高階川越市)
15.8 km PM2.5: 5.0 µg/m³

What cities are near Hannō?

21 Iruma 21 Hidaka 21 Sayama 22 Morohongō 22 Hakonegasaki 22 Hamura 21 Ōme 23 Yokota 22 Fussa 17 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 2026-09-05T11:17 UTC.