Air Quality in Hannō, Japan

Overcast
22.1°C · 91.2% humidity
22.1°
Feels 22.1°
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 9am
20
18
55 12pm
45
37
32 3pm
28
25
23 6pm
22
21
20 9pm
19
19
19 12am
18
18
18 3am
18
18
18 6am
18
18
Station readings
20
CAMS model adj -36
34
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

44h · 81 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.

91.2%
Humidity
4.7 km/h
Wind NW
1010.1 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
55
13.93 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Hannō?

Temperature & Precipitation

PM2.5 Trend

44h · 81 stations
PM2.513.93 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (4 stations within 25 km)
13.93
Median
8.25
Average
4.1
Low
14.0
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -3.9

What is the 7-day forecast for Hannō?

08-03
24.6° 20.9°
10.06 mm
08-04
31.7° 23.1°
0.88 mm
08-05
28.1° 23.4°
7.37 mm
08-06
28.2° 23.9°
48.94 mm
08-07
33.6° 22.9°
38.62 mm
08-08
31.3° 23.3°
46.69 mm
08-09
33.2° 20.3°
2.87 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Hannō?

21
Nakakayama, Hidaka, Saitama, Japan (日高日高市)
5.1 km PM2.5: 5.0 µg/m³
25
Azumacho, Iruma, Saitama, Japan (入間入間市)
7.5 km PM2.5: 6.0 µg/m³
50
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
12.9 km PM2.5: 12.0 µg/m³
42
Tokorozawa, Saitama, Japan (所沢市和ヶ原所沢市)
14.8 km PM2.5: 10.1 µg/m³
19
Tokorozawa, Saitama, Japan (所沢市和ヶ原所沢市)
14.8 km PM2.5: 4.6 µg/m³
25
Tokorozawa (所沢)
14.8 km PM2.5: 6.0 µg/m³
39
Senbamachi, Kawagoe, Saitama, Japan (川越市仙波川越市)
16.8 km PM2.5: 9.4 µg/m³
50
Honcho, Higashimurayama, Tokyo, Japan (新青梅街道東村山東村山市)
17.7 km PM2.5: 12.0 µg/m³
40
Izumicho, Tachikawa, Tokyo, Japan (立川市泉町立川市)
20.1 km PM2.5: 9.6 µg/m³
46
八王子市大楽寺町
20.2 km 58.0% RH PM2.5: 11.0 µg/m³ PM10: 15.0 µg/m³

What cities are near Hannō?

47 Iruma 50 Hidaka 42 Sayama 53 Morohongō 36 Hakonegasaki 37 Hamura 45 Ōme 29 Yokota 32 Fussa 45 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 2026-08-08T03:01 UTC.