Air Quality in Tochigi, Japan

Rain
21.2°C · 93.7% humidity
21.2°
Feels 21.2°
75
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
7 stations

Nearby Monitoring Stations

AQI Forecast
27 5am
27
27
75 8am
61
59
52 11am
47
43
40 2pm
39
37
36 5pm
36
35
28 8pm
35
54
54 11pm
54
54
54 2am
54
54
AD 728×90

Air Quality Index Trend

47h · 10 stn

Tochigi'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. Current PM2.5 concentration in Tochigi is 1.6× the WHO 24-hour guideline of 15 µg/m³.

93.7%
Humidity
13.2 km/h
Wind NE
1003.3 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
75
23.48 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Tochigi?

Temperature & Precipitation

PM2.5 Trend

47h · 10 stations
PM2.523.48 µg/m³ ×1.6 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (7 stations within 25 km)
23.48
Median
13.46
Average
4.6
Low
23.5
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -13.5

What is the 7-day forecast for Tochigi?

07-21
27.5° 20.0°
28.0 mm
07-22
23.0° 21.2°
18.75 mm
07-23
21.6° 17.8°
2.69 mm
07-24
24.5° 20.8°
2.38 mm
07-25
31.7° 19.1°
2.31 mm
07-26
30.2° 18.7°
0.81 mm
07-27
28.4° 20.9°
12.69 mm
Both models agree Avg diff: 3.9°C

Where are air quality stations near Tochigi?

38
Irifunecho, Tochigi, Tochigi, Japan (栃木市役所栃木市)
0.3 km PM2.5: 9.1 µg/m³
26
Hirayanagimachi, Tochigi, Tochigi, Japan (栃木市平柳町交差点栃木市)
1.4 km PM2.5: 6.2 µg/m³
59
Suzumenomiya, Utsunomiya, Tochigi, Japan (雀宮中学校宇都宮市)
16.4 km PM2.5: 15.9 µg/m³
26
Shirasagi, Tochigi, Japan (上三川町役場河内郡上三川町)
17.0 km PM2.5: 6.2 µg/m³
30
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
21.8 km PM2.5: 7.2 µg/m³
30
Utsunomiya (宇都宮)
23.3 km PM2.5: 7.2 µg/m³
26
Nakamachi, Tatebayashi, Gunma, Japan (館林市民センター館林市)
23.4 km PM2.5: 6.2 µg/m³
68
Hiraidemachi, Utsunomiya, Tochigi, Japan (平出宇都宮市)
27.7 km PM2.5: 20.2 µg/m³
59
Hiraidemachi, Utsunomiya, Tochigi, Japan (平出宇都宮市)
27.7 km PM2.5: 15.9 µg/m³
74
Fujiishimogumi, Hanyū-shi, Saitama-ken, Japan (羽生羽生市)
28.0 km PM2.5: 23.0 µg/m³

What cities are near Tochigi?

60 Mibu 58 Oyama 53 Shimotsuke 55 Tanuma 53 Sano 57 Yūki 52 Fujioka 36 Nogi 53 Kaminokawa 45 Kanuma
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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 2026-07-21T23:16 UTC.