Air Quality in Tochigi, Japan

Drizzle
21.9°C · 94.4% humidity
21.9°
Feels 21.9°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
21 11am
21
21
34 2pm
30
28
26 5pm
24
23
23 8pm
22
2
2 11pm
1
1
21 2am
21
21
21 5am
21
21
1 8am
1
0
Station readings 21h ago
AQI 21
PM2.5 5.0 µg/m³ · 21h ago
AD 728×90

Air Quality Index Trend

43h · 21 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.

94.4%
Humidity
7.9 km/h
Wind ESE
1010.4 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
34
8.18 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Tochigi?

Temperature & Precipitation

PM2.5 Trend

43h · 21 stations
PM2.58.18 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (3 stations within 25 km)
8.18
Median
8.23
Average
4.1
Low
11.0
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +1.8

What is the 7-day forecast for Tochigi?

08-03
25.1° 19.9°
10.5 mm
08-04
32.0° 22.3°
4.06 mm
08-05
26.8° 22.7°
7.31 mm
08-06
26.5° 21.6°
56.94 mm
08-07
30.5° 22.5°
21.62 mm
08-08
31.4° 23.4°
65.25 mm
08-09
31.5° 18.3°
1.19 mm
Both models agree Avg diff: 3.0°C

Where are air quality stations near Tochigi?

55
Irifunecho, Tochigi, Tochigi, Japan (栃木市役所栃木市)
0.3 km PM2.5: 14.0 µg/m³
46
Suzumenomiya, Utsunomiya, Tochigi, Japan (雀宮中学校宇都宮市)
16.4 km PM2.5: 11.0 µg/m³
25
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
21.8 km PM2.5: 6.0 µg/m³
17
Utsunomiya (宇都宮)
23.3 km PM2.5: 4.1 µg/m³
46
Nakamachi, Tatebayashi, Gunma, Japan (館林市民センター館林市)
23.4 km PM2.5: 11.0 µg/m³
25
Hosoya, Utsunomiya, Tochigi, Japan (細谷小学校宇都宮市)
25.5 km PM2.5: 6.0 µg/m³
25
Izumigaoka, Utsunomiya, Tochigi, Japan (泉が丘小学校宇都宮市)
26.4 km PM2.5: 6.0 µg/m³
33
Izumigaoka, Utsunomiya, Tochigi, Japan (泉が丘小学校宇都宮市)
26.4 km PM2.5: 7.9 µg/m³
19
Hiraidemachi, Utsunomiya, Tochigi, Japan (平出宇都宮市)
27.7 km PM2.5: 4.6 µg/m³
20
Fujiishimogumi, Hanyū-shi, Saitama-ken, Japan (羽生羽生市)
28.0 km PM2.5: 4.8 µg/m³

What cities are near Tochigi?

43 Mibu 16 Oyama 44 Shimotsuke 22 Tanuma 34 Sano 20 Yūki 32 Fujioka 20 Nogi 45 Kaminokawa 40 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 2026-08-08T05:44 UTC.