Air Quality in Ōiso, Japan

Drizzle
24.3°C · 84.2% humidity
24.3°
Feels 24.3°
75
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
13 stations

Nearby Monitoring Stations

AQI Forecast
66 7am
66
66
75 10am
69
65
62 1pm
60
58
57 4pm
56
55
55 7pm
67
67
66 10pm
66
66
66 1am
66
66
66 4am
66
66
AD 728×90

Air Quality Index Trend

47h · 5 stn

Ōiso'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 Ōiso is 1.6× the WHO 24-hour guideline of 15 µg/m³.

84.2%
Humidity
41.5 km/h
Wind NNE
1002.4 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
75
23.48 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Ōiso?

Temperature & Precipitation

PM2.5 Trend

47h · 5 stations
PM2.523.48 µg/m³ ×1.6 WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (13 stations within 25 km)
23.48
Median
19.61
Average
12.0
Low
25.0
High
PM2.5 µg/m³ · Model: 20.3 · Bias: -3.2

What is the 7-day forecast for Ōiso?

07-22
27.1° 23.7°
2.87 mm
07-23
25.6° 22.0°
1.5 mm
07-24
26.0° 23.5°
1.13 mm
07-25
27.9° 23.4°
07-26
28.6° 23.4°
0.38 mm
07-27
28.8° 24.0°
6.44 mm
07-28
26.4° 25.1°
2.19 mm
Both models agree Avg diff: 2.0°C

Where are air quality stations near Ōiso?

13
Kouchi, Hiratsuka, Kanagawa, Japan (旭小学校平塚市)
2.3 km PM2.5: 3.1 µg/m³
78
平塚市大野公民館
5.6 km 71.1% RH PM2.5: 25.0 µg/m³ PM10: 41.0 µg/m³
61
Chigasaki, Chigasaki, Kanagawa, Japan (茅ケ崎駅前交差点茅ヶ崎市)
8.3 km PM2.5: 16.9 µg/m³
28
Osumidai, Isehara, Kanagawa, Japan (伊勢原市谷戸岡伊勢原市)
8.5 km PM2.5: 6.7 µg/m³
16
Miyayama, Kanagawa, Japan (寒川町役場高座郡寒川町)
8.8 km PM2.5: 3.8 µg/m³
11
Miyayama, Kanagawa, Japan (寒川町役場高座郡寒川町)
8.8 km PM2.5: 2.6 µg/m³
78
伊勢原市役所
9.4 km PM2.5: 25.0 µg/m³ PM10: 41.0 µg/m³
15
Tsujidōshinmachi, Fujisawa-shi, Kanagawa-ken, Japan (明治市民センター藤沢市)
12.4 km PM2.5: 3.6 µg/m³
12
Tsujidōshinmachi, Fujisawa-shi, Kanagawa-ken, Japan (明治市民センター藤沢市)
12.4 km PM2.5: 2.9 µg/m³
23
Uchimodori, Fujisawa, Kanagawa, Japan (御所見小学校藤沢市)
14.8 km PM2.5: 5.5 µg/m³

What cities are near Ōiso?

75 Hiratsuka 74 Ninomiya 68 Chigasaki 78 Isehara 76 Nihammatsu 74 Ebina 72 Hadano 71 Kamiōi 65 Atsugi 62 Fujisawa
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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 2026-07-22T01:19 UTC.