What is the air quality in Iruma today?

The current Air Quality Index (AQI) in Iruma is 39 (Good). PM2.5 concentration is 9.44 µg/m³.

What is the temperature in Iruma right now?

The current temperature in Iruma is 12.7°C (feels like 12.7°C). Humidity is 93.2% and wind speed is 15.6 km/h.

Is it safe to go outside in Iruma?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Iruma, Japan

Rain

12.7°C · 93.2% humidity

12.7°

Feels 12.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

25 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 98 stn

View full history →

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.

93.2%

Humidity

15.6 km/h

Wind N

1021.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.44 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Iruma?

Temperature & Precipitation

PM2.5 Trend

45h · 98 stations

PM2.59.44 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (25 stations within 25 km)

9.44

Median

7.62

Average

0.5

Low

21.1

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -3.6

What is the 7-day forecast for Iruma?

10-21

18.0° 12.7°

2.44 mm

10-22

19.8° 15.3°

0.19 mm

10-23

20.7° 10.9°

10-24

17.4° 15.0°

1.25 mm

10-25

17.4° 10.2°

4.94 mm

10-26

18.5° 11.2°

0.06 mm

10-27

15.6° 12.9°

0.31 mm

Both models agree Avg diff: 3.5°C

Where are air quality stations near Iruma?

Azumacho, Iruma, Saitama, Japan (入間入間市)

3.0 km PM2.5: 15.0 µg/m³

Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町)

5.7 km PM2.5: 15.9 µg/m³

Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町)

5.7 km PM2.5: 23.0 µg/m³

Horigane, Sayama-shi, Saitama-ken, Japan (狭山狭山市)

8.6 km PM2.5: 5.0 µg/m³

Honcho, Higashimurayama, Tokyo, Japan (新青梅街道東村山東村山市)

11.9 km PM2.5: 6.0 µg/m³

Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)

13.0 km PM2.5: 4.3 µg/m³

Higashitokorozawa, Tokorozawa, Saitama, Japan (所沢市東所沢所沢市)

13.8 km PM2.5: 3.6 µg/m³

Ogawacho, Kodaira, Tokyo, Japan (小平市小川町小平市)

14.5 km PM2.5: 5.0 µg/m³

Kamikiyoto, Kiyose, Tokyo, Japan (清瀬市上清戸清瀬市)

14.8 km PM2.5: 5.0 µg/m³

Izumicho, Tachikawa, Tokyo, Japan (立川市泉町立川市)

14.9 km PM2.5: 12.0 µg/m³

What cities are near Iruma?

37 Sayama 57 Hakonegasaki 39 Hannō 54 Hamura 34 Yokota 26 Higashiyamato 27 Tokorozawa 38 Fussa 25 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 2026-10-21T05:26 UTC.