Air Quality in Iwai, Japan

Cloudy
25.1°C · 77.9% humidity
25.1°
Feels 25.1°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
79 12pm
79
79
26 3pm
41
52
60 6pm
65
49
52 9pm
54
55
56 12am
57
51
51 3am
51
52
52 6am
59
59
59 9am
59
59
Station readings 20h ago
AQI 52
PM2.5 12.6 µg/m³ · 20h ago
AD 728×90

Air Quality Index Trend

45h · 78 stn

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.

77.9%
Humidity
20.3 km/h
Wind ESE
1009.6 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
26
6.23 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Iwai?

Temperature & Precipitation

PM2.5 Trend

45h · 78 stations
PM2.56.23 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (7 stations within 25 km)
6.23
Median
6.34
Average
3.1
Low
14.0
High
PM2.5 µg/m³ · Model: 8.2 · Bias: +2.0

What is the 7-day forecast for Iwai?

08-03
27.3° 21.8°
11.81 mm
08-04
35.9° 24.6°
4.69 mm
08-05
31.9° 24.7°
5.94 mm
08-06
30.5° 25.5°
18.94 mm
08-07
37.7° 24.6°
5.19 mm
08-08
32.4° 26.5°
50.25 mm
08-09
34.0° 22.2°
0.44 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Iwai?

30
Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)
7.7 km PM2.5: 7.2 µg/m³
38
Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)
7.7 km PM2.5: 9.1 µg/m³
50
Kirigasaku, Noda, Chiba, Japan (野田桐ケ作野田市)
7.7 km PM2.5: 12.0 µg/m³
42
Mitsukaido Morishitamachi, Joso, Ibaraki, Japan (常総保健所常総市)
8.4 km PM2.5: 10.1 µg/m³
57
Noda, Noda-shi, Chiba-ken, Japan (野田市野田野田市)
11.9 km PM2.5: 15.0 µg/m³
46
Satte, Satte, Saitama, Japan (幸手幸手市)
15.4 km PM2.5: 11.0 µg/m³
42
Gakuendai, Saitama-ken, Japan (宮代南埼玉郡宮代町)
17.0 km PM2.5: 10.1 µg/m³
34
Omuro, Kashiwa, Chiba, Japan (柏大室柏市)
17.3 km PM2.5: 8.2 µg/m³
46
Omuro, Kashiwa, Chiba, Japan (柏大室柏市)
17.3 km PM2.5: 11.0 µg/m³
38
Sengendainishi, Koshigaya, Saitama Prefecture, Japan (越谷市千間台西越谷市)
18.0 km PM2.5: 9.1 µg/m³

What cities are near Iwai?

26 Bandō 25 Jōsō 25 Mitsukaidō 17 Ishige 33 Sakai 21 Noda 24 Tsukubamirai 14 Yachiyo 54 Kasukabe 49 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 2026-08-08T06:30 UTC.