Air Quality in Iwai, Japan

Cloudy
21.8°C · 71.9% humidity
21.8°
Feels 21.8°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
14 stations

Nearby Monitoring Stations

AQI Forecast
34 11am
34
54
22 2pm
45
48
50 5pm
51
52
64 8pm
82
82
82 11pm
83
83
83 2am
83
66
66 5am
66
54
54 8am
54
34
AD 728×90

Air Quality Index Trend

48h · 2 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.

71.9%
Humidity
39.7 km/h
Wind SE
1014.7 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
22
5.35 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Iwai?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.55.35 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (14 stations within 25 km)
5.35
Median
5.86
Average
3.1
Low
8.6
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +2.0

What is the 7-day forecast for Iwai?

06-09
21.8° 19.3°
0.44 mm
06-10
24.9° 16.2°
7.13 mm
06-11
24.6° 17.8°
0.38 mm
06-12
23.7° 17.5°
2.0 mm
06-13
29.2° 18.4°
2.0 mm
06-14
27.1° 17.2°
41.75 mm
06-15
26.4° 19.1°
8.06 mm
Both models agree Avg diff: 2.1°C

Where are air quality stations near Iwai?

13
Higashioume, Oume, Tokyo, Japan (青梅市東青梅青梅市)
5.7 km PM2.5: 3.1 µg/m³
17
檜原測定所
8.0 km 91.1% RH PM2.5: 4.0 µg/m³ PM10: 8.0 µg/m³
21
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
8.9 km PM2.5: 5.0 µg/m³
28
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
8.9 km PM2.5: 6.7 µg/m³
25
Nagaoka, Tokyo, Japan (東京環状長岡西多摩郡瑞穂町)
9.8 km PM2.5: 6.0 µg/m³
25
八王子市大楽寺町
10.3 km 68.6% RH PM2.5: 6.0 µg/m³ PM10: 8.0 µg/m³
41
Hachioji (八王子)
11.9 km PM2.5: 9.8 µg/m³
39
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
14.6 km PM2.5: 9.4 µg/m³
60
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
14.6 km PM2.5: 16.4 µg/m³
63
Tatemachi, Hachioji, Tokyo, Japan (八王子市館町八王子市)
14.8 km PM2.5: 17.8 µg/m³

What cities are near Iwai?

22 Akiruno 21 Itsukaichi 23 Ōme 24 Hamura 24 Fussa 25 Hakonegasaki 23 Hachiōji 25 Yokota 23 Akishima 22 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 2026-06-09T05:37 UTC.