Air Quality in Iruma, Japan

Cloudy
20.2°C · 74.0% humidity
20.2°
Feels 20.2°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations

Nearby Monitoring Stations

AQI Forecast
27 5am
25
25
20 8am
21
22
23 11am
24
24
24 2pm
27
34
34 5pm
54
54
54 8pm
66
66
83 11pm
83
66
66 2am
66
54
AD 728×90

Air Quality Index Trend

47h · 65 stn

Iruma'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
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.65 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Iruma?

Temperature & Precipitation

PM2.5 Trend

47h · 65 stations
PM2.54.65 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (11 stations within 25 km)
4.65
Median
4.74
Average
2.2
Low
8.2
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +2.5

What is the 7-day forecast for Iruma?

06-08
25.4° 15.2°
8.63 mm
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
Both models agree Avg diff: 2.2°C

Where are air quality stations near Iruma?

45
Azumacho, Iruma, Saitama, Japan (入間入間市)
3.0 km PM2.5: 10.8 µg/m³
25
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
5.4 km PM2.5: 6.0 µg/m³
37
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
5.4 km PM2.5: 8.9 µg/m³
17
Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町)
5.7 km PM2.5: 4.1 µg/m³
11
Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)
8.6 km PM2.5: 2.6 µg/m³
29
Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)
8.6 km PM2.5: 7.0 µg/m³
31
Higashioume, Oume, Tokyo, Japan (青梅市東青梅青梅市)
8.9 km PM2.5: 7.4 µg/m³
42
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
9.7 km PM2.5: 10.1 µg/m³
34
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
9.7 km PM2.5: 8.2 µg/m³
10
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
12.7 km PM2.5: 2.4 µg/m³

What cities are near Iruma?

18 Sayama 22 Hakonegasaki 19 Hannō 24 Hamura 21 Yokota 20 Higashiyamato 19 Tokorozawa 27 Fussa 20 Musashimurayama 23 Akishima
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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 2026-06-08T23:10 UTC.