What is the air quality in Iwai today?

The current Air Quality Index (AQI) in Iwai is 36 (Good). PM2.5 concentration is 8.6 µg/m³.

What is the temperature in Iwai right now?

The current temperature in Iwai is 15.6°C (feels like 15.6°C). Humidity is 70.6% and wind speed is 24.9 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

Drizzle

15.6°C · 70.6% humidity

15.6°

Feels 15.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

18 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings 48h ago

AQI 49

PM2.5 11.8 µg/m³ · 48h ago

Air Quality Index Trend

45h · 44 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.

70.6%

Humidity

24.9 km/h

Wind NE

1021.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.6 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Iwai?

Temperature & Precipitation

PM2.5 Trend

45h · 44 stations

PM2.58.6 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (18 stations within 25 km)

8.6

Median

9.18

Average

2.9

Low

32.1

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -2.8

What is the 7-day forecast for Iwai?

10-21

21.3° 15.6°

0.56 mm

10-22

23.2° 16.7°

0.44 mm

10-23

21.6° 14.5°

10-24

21.2° 17.0°

0.13 mm

10-25

19.5° 13.4°

3.94 mm

10-26

21.5° 13.2°

10-27

18.3° 15.1°

0.5 mm

Both models agree Avg diff: 3.0°C

Where are air quality stations near Iwai?

Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)

7.7 km PM2.5: 11.0 µg/m³

Mitsukaido Morishitamachi, Joso, Ibaraki, Japan (常総保健所常総市)

8.4 km PM2.5: 3.1 µg/m³

Noda, Noda-shi, Chiba-ken, Japan (野田市野田野田市)

11.9 km PM2.5: 9.1 µg/m³

Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)

15.9 km PM2.5: 20.2 µg/m³

Omuro, Kashiwa, Chiba, Japan (柏大室柏市)

17.3 km PM2.5: 6.0 µg/m³

Higashikoshigaya, Koshigaya, Saitama, Japan (越谷市東越谷越谷市)

19.5 km PM2.5: 4.1 µg/m³

Terada, Toride, Ibaraki, Japan (取手市役所取手市)

20.5 km PM2.5: 8.2 µg/m³

Terada, Toride, Ibaraki, Japan (取手市役所取手市)

20.5 km PM2.5: 1.7 µg/m³

Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)

20.7 km PM2.5: 11.0 µg/m³

Heiwadai, Nagareyama-shi, Chiba-ken, Japan (流山平和台流山市)

21.5 km PM2.5: 9.1 µg/m³

What cities are near Iwai?

39 Bandō 21 Jōsō 19 Mitsukaidō 46 Ishige 39 Sakai 38 Noda 32 Tsukubamirai 56 Yachiyo 30 Kasukabe 33 Miyashiro

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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 2026-10-21T06:02 UTC.