Air Quality in Ōkawa, Japan

Drizzle
20.7°C · 92.5% humidity
20.7°
Feels 20.7°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations

Nearby Monitoring Stations

AQI Forecast
66 4am
66
66
40 7am
47
70
73 10am
76
61
62 1pm
63
64
65 4pm
65
65
66 7pm
66
66
66 10pm
66
66
83 1am
66
66
AD 728×90

Air Quality Index Trend

47h · 45 stn

Ōkawa'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 Ōkawa is 1.9× the WHO annual guideline of 5 µg/m³.

92.5%
Humidity
32.2 km/h
Wind ESE
1004.2 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
40
9.68 µg/m³
PM10▲
60
73.05 µg/m³
050100150200300500

What is the weather forecast for Ōkawa?

Temperature & Precipitation

PM2.5 Trend

47h · 45 stations
PM2.59.68 µg/m³ ✓ WHO
Good
PM1073.05 µg/m³
Moderate
UV INDEX2.2
Moderate
AD 300×250
Station readings (10 stations within 25 km)
9.68
Median
8.9
Average
2.2
Low
15.0
High
PM2.5 µg/m³ · Model: 23.15 · Bias: +13.5

What is the 7-day forecast for Ōkawa?

05-28
22.3° 15.0°
57.81 mm
05-29
24.3° 20.4°
2.12 mm
05-30
22.6° 19.3°
0.13 mm
05-31
25.1° 21.2°
06-01
29.7° 18.8°
1.94 mm
06-02
26.2° 21.5°
06-03
22.9° 17.3°
34.69 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Ōkawa?

42
Mitsuhashimachi Imakoga, Yanagawa, Fukuoka, Japan (柳川柳川市)
6.6 km PM2.5: 10.1 µg/m³
9
Mitsuhashimachi Imakoga, Yanagawa, Fukuoka, Japan (柳川柳川市)
6.6 km PM2.5: 2.2 µg/m³
42
Takagimachi, Saga, Saga, Japan (佐賀佐賀市)
8.5 km PM2.5: 10.1 µg/m³
35
Mizumamachi Tamamitsu, Kurume, Fukuoka, Japan (三潴中学校久留米市)
10.1 km PM2.5: 8.4 µg/m³
34
Mizumamachi Tamamitsu, Kurume, Fukuoka, Japan (三潴中学校久留米市)
10.1 km PM2.5: 8.2 µg/m³
42
Kurume (久留米)
17.7 km PM2.5: 10.1 µg/m³
34
Tachibanamachi Tanigawa, Yame-shi, Fukuoka-ken, Japan (八女八女市)
20.2 km PM2.5: 8.2 µg/m³
21
Tachibanamachi Tanigawa, Yame-shi, Fukuoka-ken, Japan (八女八女市)
20.2 km PM2.5: 5.0 µg/m³
28
Fukuta, Saga, Japan (白石杵島郡白石町)
22.2 km PM2.5: 6.7 µg/m³
9
Fukuta, Saga, Japan (白石杵島郡白石町)
22.2 km PM2.5: 2.2 µg/m³

What cities are near Ōkawa?

40 Yanagawa 51 Saga 40 Setakamachi-takayanagi 35 Chikugo 38 Kanzakimachi-kanzaki 33 Nakatsukuma 40 Miyama 30 Hirokawa 35 Ishinari 25 Kurume
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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 2026-05-28T22:51 UTC.