Air Quality in Ōiso, Japan

Cloudy
24.6°C · 83.3% humidity
24.6°
Feels 24.6°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
30 10am
37
37
60 1pm
53
49
45 4pm
36
34
40 7pm
39
39
38 10pm
38
58
57 1am
57
57
57 4am
57
57
57 7am
57
57
CAMS model adj +3
27
34
34
34
34
34
34
27
27
34
34
34
34
34
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

46h · 94 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 1.1× the WHO 24-hour guideline of 15 µg/m³.

83.3%
Humidity
34.3 km/h
Wind NE
1009.3 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
60
16.4 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ōiso?

Temperature & Precipitation

PM2.5 Trend

46h · 94 stations
PM2.516.4 µg/m³ ×1.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (2 stations within 25 km)
16.4
Median
13.55
Average
6.0
Low
21.1
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -9.3

What is the 7-day forecast for Ōiso?

08-03
27.2° 22.3°
6.5 mm
08-04
27.8° 24.9°
10.94 mm
08-05
27.7° 25.1°
5.5 mm
08-06
27.1° 26.2°
26.75 mm
08-07
28.5° 25.3°
11.0 mm
08-08
28.9° 26.3°
39.0 mm
08-09
30.1° 23.5°
2.5 mm
Both models agree Avg diff: 1.2°C

Where are air quality stations near Ōiso?

25
Kouchi, Hiratsuka, Kanagawa, Japan (旭小学校平塚市)
2.3 km PM2.5: 6.0 µg/m³
17
平塚市大野公民館
5.6 km 65.0% RH PM2.5: 4.0 µg/m³ PM10: 7.0 µg/m³
23
Chigasaki, Chigasaki, Kanagawa, Japan (茅ケ崎駅前交差点茅ヶ崎市)
8.3 km PM2.5: 5.5 µg/m³
25
Osumidai, Isehara, Kanagawa, Japan (伊勢原市谷戸岡伊勢原市)
8.5 km PM2.5: 6.0 µg/m³
21
Osumidai, Isehara, Kanagawa, Japan (伊勢原市谷戸岡伊勢原市)
8.5 km PM2.5: 5.0 µg/m³
21
伊勢原市役所
9.4 km PM2.5: 5.0 µg/m³ PM10: 10.0 µg/m³
21
Tsujidōshinmachi, Fujisawa-shi, Kanagawa-ken, Japan (明治市民センター藤沢市)
12.4 km PM2.5: 5.0 µg/m³
56
Uchimodori, Fujisawa, Kanagawa, Japan (御所見小学校藤沢市)
14.8 km PM2.5: 14.5 µg/m³
38
Ogikubo, Odawara, Kanagawa, Japan (小田原市役所小田原市)
15.8 km PM2.5: 9.1 µg/m³
38
Ogikubo, Odawara, Kanagawa, Japan (小田原市役所小田原市)
15.8 km PM2.5: 9.1 µg/m³

What cities are near Ōiso?

57 Hiratsuka 66 Ninomiya 40 Chigasaki 62 Isehara 45 Nihammatsu 44 Ebina 70 Hadano 70 Kamiōi 43 Atsugi 26 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 2026-08-08T04:48 UTC.