Air Quality in Ōkawa, Japan

Windy
28.0°C · 59.4% humidity
28.0°
Feels 31.5°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
23 5pm
30
30
23 8pm
25
26
27 11pm
28
22
22 2am
20
21
21 5am
20
21
21 8am
21
21
21 11am
20
20
20 2pm
20
20
Station readings
31
CAMS model adj -4
27
34
34
34
34
34
34
34
27
27
25
25
25
24
25
25
25
25
25
24
24
24
24
24
AD 728×90

Air Quality Index Trend

45h · 25 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.

59.4%
Humidity
65.5 km/h
Wind NNE
1001.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
23
5.56 µg/m³
PM10▲
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Ōkawa?

Temperature & Precipitation

PM2.5 Trend

45h · 25 stations
PM2.55.56 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
5.56
Median
7.87
Average
4.6
Low
14.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +1.8

What is the 7-day forecast for Ōkawa?

09-05
30.3° 24.9°
0.13 mm
09-06
31.0° 24.0°
5.44 mm
09-07
29.7° 23.2°
1.0 mm
09-08
31.9° 23.1°
0.13 mm
09-09
32.8° 24.1°
6.13 mm
09-10
30.3° 21.4°
0.63 mm
09-11
28.9° 22.4°
4.06 mm
Both models agree Avg diff: 2.3°C

Where are air quality stations near Ōkawa?

9
Mitsuhashimachi Imakoga, Yanagawa, Fukuoka, Japan (柳川柳川市)
6.6 km PM2.5: 2.2 µg/m³
13
Mitsuhashimachi Imakoga, Yanagawa, Fukuoka, Japan (柳川柳川市)
6.6 km PM2.5: 3.1 µg/m³
21
Takagimachi, Saga, Saga, Japan (佐賀佐賀市)
8.5 km PM2.5: 5.0 µg/m³
31
Mizumamachi Tamamitsu, Kurume, Fukuoka, Japan (三潴中学校久留米市)
10.1 km PM2.5: 7.4 µg/m³
21
Yumeimachi, Omuta, Fukuoka, Japan (国設大牟田大牟田市)
20.6 km PM2.5: 5.0 µg/m³
31
Fukuta, Saga, Japan (白石杵島郡白石町)
22.2 km PM2.5: 7.4 µg/m³
21
Shukumachi, Tosu, Saga, Japan (鳥栖鳥栖市)
22.7 km PM2.5: 5.0 µg/m³
25
Mitsusemura Mitsuse, Saga, Saga Prefecture, Japan (三瀬佐賀市)
26.2 km PM2.5: 6.0 µg/m³
26
Kitatakumachi Oaza Kosamurai, Taku, Saga Prefecture, Japan (多久多久市)
26.3 km PM2.5: 6.2 µg/m³
30
Kawanobori, Arao-shi, Kumamoto-ken, Japan (荒尾運動公園荒尾市)
26.5 km PM2.5: 7.2 µg/m³

What cities are near Ōkawa?

24 Yanagawa 23 Saga 20 Setakamachi-takayanagi 19 Chikugo 23 Kanzakimachi-kanzaki 20 Nakatsukuma 20 Miyama 18 Hirokawa 24 Ishinari 18 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 2026-09-05T11:13 UTC.