Air Quality in Iwase, Japan

Overcast
21.7°C · 95.2% humidity
21.7°
Feels 21.7°
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 8am
0
3
29 11am
27
26
25 2pm
25
24
24 5pm
24
23
3 8pm
3
0
0 11pm
0
0
0 2am
0
3
3 5am
3
3
Station readings 18h ago
AQI 21
PM2.5 5.0 µg/m³ · 18h ago
CAMS model adj -31
27
27
34
54
54
54
54
54
54
54
54
54
34
34
27
27
27
27
27
27
34
34
34
34
AD 728×90

Air Quality Index Trend

44h · 27 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.

95.2%
Humidity
15.5 km/h
Wind E
1010.2 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
29
7.0 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Iwase?

Temperature & Precipitation

PM2.5 Trend

44h · 27 stations
PM2.57.0 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (2 stations within 25 km)
7.0
Median
7.05
Average
3.1
Low
11.0
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -0.5

What is the 7-day forecast for Iwase?

08-03
25.2° 20.8°
11.75 mm
08-04
31.2° 21.6°
0.88 mm
08-05
27.9° 24.5°
8.87 mm
08-06
28.8° 22.8°
27.44 mm
08-07
34.8° 24.1°
3.69 mm
08-08
30.0° 25.3°
53.63 mm
08-09
30.6° 19.8°
0.19 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Iwase?

30
Aramachi, Moka, Tochigi, Japan (真岡市役所真岡市)
12.7 km PM2.5: 7.2 µg/m³
–
Ishii, Kasama, Ibaraki, Japan (笠間市役所笠間市)
12.9 km
34
Shimotsumaotsu, Shimotsuma-shi, Ibaraki-ken, Japan (下妻下妻市)
22.3 km PM2.5: 8.2 µg/m³
58
Shimokuwajimamachi, Utsunomiya, Tochigi, Japan (瑞穂野北小学校宇都宮市)
22.5 km PM2.5: 15.4 µg/m³
34
Suginami, Ishioka, Ibaraki, Japan (石岡杉並石岡市)
23.2 km PM2.5: 8.2 µg/m³
34
Suginami, Ishioka, Ibaraki, Japan (石岡杉並石岡市)
23.2 km PM2.5: 8.2 µg/m³
32
Hiraidemachi, Utsunomiya, Tochigi, Japan (平出宇都宮市)
28.0 km PM2.5: 7.7 µg/m³
30
Utsunomiya (宇都宮)
30.0 km PM2.5: 7.2 µg/m³
10
Babadori, Utsunomiya, Tochigi, Japan (大通り宇都宮市)
30.4 km PM2.5: 2.4 µg/m³

What cities are near Iwase?

18 Makabe 23 Chikusei 20 Shimodate 46 Mooka 46 Mashiko 21 Kasama 21 Tomobe 45 Kaminokawa 20 Yūki 13 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 2026-08-08T02:58 UTC.