Air Quality in Iruma, Japan

Overcast
22.1°C · 91.2% humidity
22.1°
Feels 22.1°
47
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
18 7am
0
0
47 10am
39
33
29 1pm
26
23
22 4pm
21
20
19 7pm
19
19
19 10pm
18
18
18 1am
18
18
18 4am
18
18
Station readings
19
CAMS model adj -36
54
34
34
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

3h · 3 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.

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▲
47
11.25 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Iruma?

Temperature & Precipitation

PM2.5 Trend

3h · 3 stations
PM2.511.25 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (6 stations within 25 km)
11.25
Median
7.18
Average
2.4
Low
14.0
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -1.2

What is the 7-day forecast for Iruma?

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 Iruma?

23
Azumacho, Iruma, Saitama, Japan (入間入間市)
3.0 km PM2.5: 5.5 µg/m³
30
Nakakayama, Hidaka, Saitama, Japan (日高日高市)
8.6 km PM2.5: 7.2 µg/m³
25
Higashioume, Oume, Tokyo, Japan (青梅市東青梅青梅市)
8.9 km PM2.5: 6.0 µg/m³
25
Tokorozawa (所沢)
9.3 km PM2.5: 6.0 µg/m³
19
Tokorozawa, Saitama, Japan (所沢市和ヶ原所沢市)
9.3 km PM2.5: 4.6 µg/m³
38
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
9.7 km PM2.5: 9.1 µg/m³
46
Honcho, Higashimurayama, Tokyo, Japan (新青梅街道東村山東村山市)
11.9 km PM2.5: 11.0 µg/m³
25
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
12.7 km PM2.5: 6.0 µg/m³
25
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
13.0 km PM2.5: 6.0 µg/m³
30
Ogawacho, Kodaira, Tokyo, Japan (小平市小川町小平市)
14.5 km PM2.5: 7.2 µg/m³

What cities are near Iruma?

42 Sayama 36 Hakonegasaki 55 Hannō 37 Hamura 29 Yokota 25 Higashiyamato 29 Tokorozawa 32 Fussa 26 Musashimurayama 26 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 2026-08-08T01:56 UTC.