Air Quality in Hitachi-ota, Japan

Heavy Rain
21.9°C · 98.9% humidity
21.9°
Feels 21.9°
74
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast
54 7am
34
34
74 10am
68
64
61 1pm
59
58
57 4pm
56
55
35 7pm
35
28
66 10pm
66
66
66 1am
54
54
54 4am
54
54
AD 728×90

Air Quality Index Trend

42h · 4 stn

Hitachi-ota'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 Hitachi-ota is 1.5× the WHO 24-hour guideline of 15 µg/m³.

98.9%
Humidity
43.6 km/h
Wind NE
1002.5 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
74
23.14 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Hitachi-ota?

Temperature & Precipitation

PM2.5 Trend

42h · 4 stations
PM2.523.14 µg/m³ ×1.5 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
23.14
Median
21.85
Average
17.8
Low
25.9
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -13.1

What is the 7-day forecast for Hitachi-ota?

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: 2.5°C

Where are air quality stations near Hitachi-ota?

19
Nonakacho, Hitachiomiya, Ibaraki, Japan (大宮野中常陸大宮市)
11.3 km PM2.5: 4.6 µg/m³
10
Miyatacho, Hitachi, Ibaraki, Japan (日立市役所日立市)
12.3 km PM2.5: 2.4 µg/m³
61
Higashiishikawa, Hitachinaka, Ibaraki, Japan (常陸那珂勝田ひたちなか市)
17.2 km PM2.5: 16.9 µg/m³
68
Ishikawa, Mito, Ibaraki, Japan (水戸石川水戸市)
19.9 km PM2.5: 20.2 µg/m³
63
Nakagocho Kamisakurai, Kitaibaraki, Ibaraki, Japan (北茨城中郷北茨城市)
30.8 km PM2.5: 17.8 µg/m³

What cities are near Hitachi-ota?

67 Tokai 71 Ōmiya 66 Funaishikawa 67 Hitachiomiya 80 Hitachi 64 Inada 63 Ishitsuka 63 Hitachi-Naka 63 Katsuta 64 Mito
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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 2026-07-22T01:21 UTC.