What is the air quality in Iwai today?

The current Air Quality Index (AQI) in Iwai is 50 (Good). PM2.5 concentration is 12.01 µg/m³.

What is the temperature in Iwai right now?

The current temperature in Iwai is 18.8°C (feels like 18.8°C). Humidity is 79.5% and wind speed is 22.1 km/h.

Is it safe to go outside in Iwai?

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

Air Quality in Iwai, Japan

Cloudy

18.8°C · 79.5% humidity

18.8°

Feels 18.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

7 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 88 stn

View full history →

Iwai'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.

79.5%

Humidity

22.1 km/h

Wind WSW

1018.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

12.01 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Iwai?

Temperature & Precipitation

PM2.5 Trend

45h · 88 stations

PM2.512.01 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (7 stations within 25 km)

12.01

Median

6.34

Average

1.4

Low

17.3

High

PM2.5 µg/m³ · Model: 6.0 · Bias: -6.0

What is the 7-day forecast for Iwai?

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

10-28

20.1° 10.4°

0.06 mm

Both models agree Avg diff: 3.3°C

Where are air quality stations near Iwai?

Higashioume, Oume, Tokyo, Japan (青梅市東青梅青梅市)

5.7 km PM2.5: 1.4 µg/m³

Higashioume, Oume, Tokyo, Japan (青梅市東青梅青梅市)

5.7 km PM2.5: 17.3 µg/m³

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檜原測定所

8.0 km 67.6% RH PM10: 8.0 µg/m³

八王子市大楽寺町

10.3 km 40.1% RH PM2.5: 2.0 µg/m³ PM10: 9.0 µg/m³

Hachioji (八王子)

11.9 km PM2.5: 7.2 µg/m³

Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)

14.6 km PM2.5: 4.1 µg/m³

Tatemachi, Hachioji, Tokyo, Japan (八王子市館町八王子市)

14.8 km PM2.5: 3.1 µg/m³

Katakuramachi, Hachioji, Tokyo, Japan (八王子市片倉町八王子市)

15.5 km PM2.5: 1.4 µg/m³

Katakuramachi, Hachioji, Tokyo, Japan (八王子市片倉町八王子市)

15.5 km PM2.5: 1.4 µg/m³

Katakuramachi, Hachioji, Tokyo, Japan (八王子市片倉町八王子市)

15.5 km PM2.5: 1.4 µg/m³

What cities are near Iwai?

42 Akiruno 41 Itsukaichi 56 Ōme 44 Hamura 34 Fussa 32 Hakonegasaki 24 Hachiōji 26 Yokota 24 Akishima 18 Hannō

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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 2026-10-22T09:10 UTC.