Air Quality in Hirokawa, Japan

Windy
28.6°C · 56.1% humidity
28.6°
Feels 31.8°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
14 5pm
21
21
18 8pm
21
21
21 11pm
21
14
14 2am
12
12
12 5am
11
12
12 8am
12
12
12 11am
11
11
11 2pm
11
11
Station readings 23h ago
AQI 14
PM2.5 3.4 µg/m³ · 23h ago
AD 728×90

Air Quality Index Trend

45h · 24 stn

Hirokawa'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.

56.1%
Humidity
59.8 km/h
Wind NNE
1000.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
18
4.36 µg/m³
PM10▲
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Hirokawa?

Temperature & Precipitation

PM2.5 Trend

45h · 24 stations
PM2.54.36 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
4.36
Median
4.2
Average
3.1
Low
5.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +3.0

What is the 7-day forecast for Hirokawa?

09-05
30.2° 25.2°
0.06 mm
09-06
31.8° 23.1°
1.5 mm
09-07
29.2° 23.1°
0.38 mm
09-08
32.3° 23.2°
0.19 mm
09-09
33.6° 24.2°
7.5 mm
09-10
30.2° 22.0°
0.81 mm
09-11
30.0° 22.4°
4.69 mm
Both models agree Avg diff: 2.2°C

Where are air quality stations near Hirokawa?

31
Mizumamachi Tamamitsu, Kurume, Fukuoka, Japan (三潴中学校久留米市)
8.0 km PM2.5: 7.4 µg/m³
21
Shukumachi, Tosu, Saga, Japan (鳥栖鳥栖市)
15.6 km PM2.5: 5.0 µg/m³
13
Mitsuhashimachi Imakoga, Yanagawa, Fukuoka, Japan (柳川柳川市)
15.8 km PM2.5: 3.1 µg/m³
9
Mitsuhashimachi Imakoga, Yanagawa, Fukuoka, Japan (柳川柳川市)
15.8 km PM2.5: 2.2 µg/m³
21
Gion, Ogori, Fukuoka, Japan (筑後小郡小郡市)
17.2 km PM2.5: 5.0 µg/m³
21
Tanushimarumachi Tanushimaru, Kurume, Fukuoka, Japan (田主丸中学校久留米市)
17.5 km PM2.5: 5.0 µg/m³
21
Takagimachi, Saga, Saga, Japan (佐賀佐賀市)
22.7 km PM2.5: 5.0 µg/m³
21
Yumeimachi, Omuta, Fukuoka, Japan (国設大牟田大牟田市)
25.6 km PM2.5: 5.0 µg/m³

What cities are near Hirokawa?

19 Chikugo 18 Kurume 16 Yame 20 Setakamachi-takayanagi 20 Nakatsukuma 18 Tosu 20 Miyama 17 Ogōri 24 Yanagawa 23 Ōkawa
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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.