Air Quality in Tokai, Japan

Heavy Rain
21.9°C · 98.9% humidity
21.9°
Feels 21.9°
59
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast
54 6am
54
34
59 9am
72
67
63 12pm
61
59
57 3pm
56
56
55 6pm
35
35
27 9pm
66
66
66 12am
66
54
54 3am
54
54
AD 728×90

Air Quality Index Trend

44h · 7 stn

Tokai'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 Tokai is 1.1× the WHO 24-hour guideline of 15 µg/m³.

98.9%
Humidity
43.6 km/h
Wind NE
1002.5 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
59
16.09 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

What is the weather forecast for Tokai?

Temperature & Precipitation

PM2.5 Trend

44h · 7 stations
PM2.516.09 µg/m³ ×1.1 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
16.09
Median
15.95
Average
13.1
Low
18.8
High
PM2.5 µg/m³ · Model: 13.7 · Bias: -2.4

What is the 7-day forecast for Tokai?

07-22
24.0° 21.9°
46.31 mm
07-23
25.9° 18.8°
0.13 mm
07-24
26.6° 23.6°
0.13 mm
07-25
30.9° 19.8°
0.13 mm
07-26
28.4° 19.3°
0.81 mm
07-27
27.3° 23.0°
5.87 mm
07-28
29.0° 23.3°
4.69 mm
Both models agree Avg diff: 2.6°C

Where are air quality stations near Tokai?

61
Higashiishikawa, Hitachinaka, Ibaraki, Japan (常陸那珂勝田ひたちなか市)
8.9 km PM2.5: 16.9 µg/m³
42
Ishikawa, Mito, Ibaraki, Japan (水戸石川水戸市)
15.3 km PM2.5: 10.1 µg/m³
10
Miyatacho, Hitachi, Ibaraki, Japan (日立市役所日立市)
16.2 km PM2.5: 2.4 µg/m³
59
Nonakacho, Hitachiomiya, Ibaraki, Japan (大宮野中常陸大宮市)
17.0 km PM2.5: 15.9 µg/m³

What cities are near Tokai?

59 Funaishikawa 58 Inada 53 Hitachi-Naka 59 Hitachi-ota 60 Katsuta 53 Ōmiya 65 Hitachi 53 Ishitsuka 60 Mito 53 Hitachiomiya
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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 2026-07-22T00:24 UTC.