Air Quality in Iwase, Japan

Heavy Rain
21.3°C · 98.2% humidity
21.3°
Feels 21.3°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
4 stations

Nearby Monitoring Stations

AQI Forecast
54 6am
54
34
52 9am
67
43
41 12pm
39
37
36 3pm
36
35
35 6pm
28
27
27 9pm
54
54
66 12am
66
66
66 3am
54
54
AD 728×90

Air Quality Index Trend

47h · 14 stn

Iwase'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.

98.2%
Humidity
36.2 km/h
Wind NE
1002.6 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
52
12.51 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Iwase?

Temperature & Precipitation

PM2.5 Trend

47h · 14 stations
PM2.512.51 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (4 stations within 25 km)
12.51
Median
12.78
Average
7.9
Low
18.8
High
PM2.5 µg/m³ · Model: 13.7 · Bias: +1.2

What is the 7-day forecast for Iwase?

07-22
23.4° 21.3°
29.63 mm
07-23
24.9° 17.4°
0.13 mm
07-24
26.5° 22.7°
0.25 mm
07-25
32.6° 19.4°
0.25 mm
07-26
29.2° 18.0°
0.56 mm
07-27
28.4° 22.2°
9.31 mm
07-28
28.1° 22.8°
1.31 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near Iwase?

65
Aramachi, Moka, Tochigi, Japan (真岡市役所真岡市)
12.7 km PM2.5: 18.8 µg/m³
57
Ishii, Kasama, Ibaraki, Japan (笠間市役所笠間市)
12.9 km PM2.5: 15.0 µg/m³
26
Shirasagi, Tochigi, Japan (上三川町役場河内郡上三川町)
19.7 km PM2.5: 6.2 µg/m³
76
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
22.3 km PM2.5: 24.0 µg/m³
26
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
22.3 km PM2.5: 6.2 µg/m³
21
Suginami, Ishioka, Ibaraki, Japan (石岡杉並石岡市)
23.2 km PM2.5: 5.0 µg/m³
74
Suzumenomiya, Utsunomiya, Tochigi, Japan (雀宮中学校宇都宮市)
26.2 km PM2.5: 23.0 µg/m³
63
Hiraidemachi, Utsunomiya, Tochigi, Japan (平出宇都宮市)
28.0 km PM2.5: 17.8 µg/m³
59
Hiraidemachi, Utsunomiya, Tochigi, Japan (平出宇都宮市)
28.0 km PM2.5: 15.9 µg/m³
30
Utsunomiya (宇都宮)
30.0 km PM2.5: 7.2 µg/m³

What cities are near Iwase?

67 Makabe 53 Chikusei 57 Shimodate 44 Mooka 44 Mashiko 55 Kasama 56 Tomobe 33 Kaminokawa 54 Yūki 65 Shimo-tsuma
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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 2026-07-22T00:21 UTC.