Air Quality in Tochigi, Japan

Windy
19.9°C · 77.0% humidity
19.9°
Feels 19.9°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
66 3am
66
66
31 6am
29
36
21 9am
18
27
29 12pm
31
32
32 3pm
53
53
33 6pm
34
27
27 9pm
25
25
25 12am
25
25
AD 728×90

Air Quality Index Trend

47h · 13 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 1.5× the WHO annual guideline of 5 µg/m³.

77.0%
Humidity
46.4 km/h
Wind S
997.9 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
31
7.4 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Tochigi?

Temperature & Precipitation

PM2.5 Trend

47h · 13 stations
PM2.57.4 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (2 stations within 25 km)
7.4
Median
6.5
Average
4.8
Low
8.2
High
PM2.5 µg/m³ · Model: 13.7 · Bias: +6.3

What is the 7-day forecast for Tochigi?

05-28
28.7° 11.3°
0.69 mm
05-29
22.1° 16.1°
7.88 mm
05-30
21.4° 15.6°
2.25 mm
05-31
24.2° 15.8°
1.75 mm
06-01
23.4° 16.4°
0.06 mm
06-02
23.5° 15.2°
06-03
23.7° 19.7°
3.31 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Tochigi?

12
Irifunecho, Tochigi, Tochigi, Japan (栃木市役所栃木市)
0.3 km PM2.5: 2.9 µg/m³
25
Hirayanagimachi, Tochigi, Tochigi, Japan (栃木市平柳町交差点栃木市)
1.4 km PM2.5: 6.0 µg/m³
23
Suzumenomiya, Utsunomiya, Tochigi, Japan (雀宮中学校宇都宮市)
16.4 km PM2.5: 5.5 µg/m³
34
Shirasagi, Tochigi, Japan (上三川町役場河内郡上三川町)
17.0 km PM2.5: 8.2 µg/m³
21
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
21.8 km PM2.5: 5.0 µg/m³
50
Utsunomiya (宇都宮)
23.3 km PM2.5: 12.0 µg/m³
21
Nakamachi, Tatebayashi, Gunma, Japan (館林市民センター館林市)
23.4 km PM2.5: 5.0 µg/m³
39
Hiraidemachi, Utsunomiya, Tochigi, Japan (平出宇都宮市)
27.7 km PM2.5: 9.4 µg/m³
39
Hiraidemachi, Utsunomiya, Tochigi, Japan (平出宇都宮市)
27.7 km PM2.5: 9.4 µg/m³
53
Fujiishimogumi, Hanyū-shi, Saitama-ken, Japan (羽生羽生市)
28.0 km PM2.5: 13.1 µg/m³

What cities are near Tochigi?

32 Mibu 32 Oyama 34 Shimotsuke 23 Tanuma 23 Sano 34 Yūki 23 Fujioka 24 Nogi 32 Kaminokawa 27 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 2026-05-28T21:36 UTC.