Air Quality in Tochigi, Japan

Drizzle
19.1°C · 96.1% humidity
19.1°
Feels 19.1°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
21 5pm
21
21
33 8pm
30
27
25 11pm
24
23
23 2am
22
22
22 5am
21
21
21 8am
21
23
23 11am
23
23
23 2pm
30
30
Station readings 11h ago
AQI 15
PM2.5 3.6 µg/m³ · 11h ago
CAMS model adj -4
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
27
27
27
27
27
34
34
AD 728×90

Air Quality Index Trend

3h · 4 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.

96.1%
Humidity
27.7 km/h
Wind NE
1011.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
33
7.88 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Tochigi?

Temperature & Precipitation

PM2.5 Trend

3h · 4 stations
PM2.57.88 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (8 stations within 25 km)
7.88
Median
7.75
Average
4.1
Low
17.3
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -1.9

What is the 7-day forecast for Tochigi?

09-05
25.8° 19.1°
16.25 mm
09-06
26.4° 18.6°
6.81 mm
09-07
27.2° 20.3°
3.0 mm
09-08
24.8° 19.4°
9.94 mm
09-09
21.8° 18.9°
2.44 mm
09-10
23.5° 21.0°
6.63 mm
09-11
27.8° 20.0°
3.13 mm
Both models agree Avg diff: 2.6°C

Where are air quality stations near Tochigi?

34
Irifunecho, Tochigi, Tochigi, Japan (栃木市役所栃木市)
0.3 km PM2.5: 8.2 µg/m³
15
Tanaka, Shimono, Tochigi, Japan (下野市南河内庁舎下野市)
12.9 km PM2.5: 3.6 µg/m³
30
Fujiokamachiko, Tochigi, Tochigi, Japan (栃木市藤岡総合文化センター栃木市)
14.0 km PM2.5: 7.2 µg/m³
21
Horigomecho, Sano, Tochigi, Japan (県安蘇庁舎佐野市)
14.8 km PM2.5: 5.0 µg/m³
30
Suzumenomiya, Utsunomiya, Tochigi, Japan (雀宮中学校宇都宮市)
16.4 km PM2.5: 7.2 µg/m³
21
Suzumenomiya, Utsunomiya, Tochigi, Japan (雀宮中学校宇都宮市)
16.4 km PM2.5: 5.0 µg/m³
21
Marubayashi, Tochigi, Japan (野木町役場下都賀郡野木町)
17.0 km PM2.5: 5.0 µg/m³
17
Marubayashi, Tochigi, Japan (野木町役場下都賀郡野木町)
17.0 km PM2.5: 4.1 µg/m³
17
Shimoono, Koga, Ibaraki, Japan (古河市役所古河市)
21.8 km PM2.5: 4.1 µg/m³
26
Utsunomiya (宇都宮)
23.3 km PM2.5: 6.2 µg/m³

What cities are near Tochigi?

32 Mibu 39 Oyama 31 Shimotsuke 25 Tanuma 25 Sano 34 Yūki 35 Fujioka 60 Nogi 28 Kaminokawa 32 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 2026-09-05T11:15 UTC.