Air Quality in Iwai, Japan

Overcast
22.1°C · 91.2% humidity
22.1°
Feels 22.1°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 7am
0
0
40 10am
29
42
36 1pm
32
29
27 4pm
26
25
24 7pm
23
23
23 10pm
22
22
34 1am
34
22
22 4am
22
22
Station readings
19
CAMS model adj -32
27
27
27
34
34
54
54
54
54
54
54
54
54
54
54
54
54
54
66
66
54
54
54
54
AD 728×90

Air Quality Index Trend

46h · 98 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.

91.2%
Humidity
4.7 km/h
Wind NW
1010.1 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
40
9.46 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Iwai?

Temperature & Precipitation

PM2.5 Trend

46h · 98 stations
PM2.59.46 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (3 stations within 25 km)
9.46
Median
7.47
Average
2.4
Low
14.0
High
PM2.5 µg/m³ · Model: 6.15 · Bias: -3.3

What is the 7-day forecast for Iwai?

08-03
24.6° 20.9°
10.06 mm
08-04
31.7° 23.1°
0.88 mm
08-05
28.1° 23.4°
7.37 mm
08-06
28.2° 23.9°
48.94 mm
08-07
33.6° 22.9°
38.62 mm
08-08
31.3° 23.3°
46.69 mm
08-09
33.2° 20.3°
2.87 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Iwai?

25
Higashioume, Oume, Tokyo, Japan (青梅市東青梅青梅市)
5.7 km PM2.5: 6.0 µg/m³
29
檜原測定所
8.0 km 89.1% RH PM2.5: 7.0 µg/m³ PM10: 10.0 µg/m³
38
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
8.9 km PM2.5: 9.1 µg/m³
33
八王子市大楽寺町
10.3 km 67.9% RH PM2.5: 8.0 µg/m³ PM10: 16.0 µg/m³
42
Hachioji (八王子)
11.9 km PM2.5: 10.1 µg/m³
11
Hachioji (八王子)
11.9 km PM2.5: 2.6 µg/m³
42
Tatemachi, Hachioji, Tokyo, Japan (八王子市館町八王子市)
14.8 km PM2.5: 10.1 µg/m³
43
Katakuramachi, Hachioji, Tokyo, Japan (八王子市片倉町八王子市)
15.5 km PM2.5: 10.3 µg/m³
23
Azumacho, Iruma, Saitama, Japan (入間入間市)
17.3 km PM2.5: 5.5 µg/m³
25
Izumicho, Tachikawa, Tokyo, Japan (立川市泉町立川市)
18.2 km PM2.5: 6.0 µg/m³

What cities are near Iwai?

36 Akiruno 36 Itsukaichi 45 Ōme 37 Hamura 32 Fussa 36 Hakonegasaki 22 Hachiōji 29 Yokota 26 Akishima 55 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 2026-08-08T01:58 UTC.