Air Quality in Hirokawa, Japan

Rain
20.2°C · 94.7% humidity
20.2°
Feels 20.2°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations

Nearby Monitoring Stations

AQI Forecast
66 4am
66
66
30 7am
40
65
70 10am
74
59
61 1pm
63
63
64 4pm
65
65
65 7pm
66
66
66 10pm
66
66
83 1am
66
66
AD 728×90

Air Quality Index Trend

47h · 36 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. Current PM2.5 concentration in Hirokawa is 1.4× the WHO annual guideline of 5 µg/m³.

94.7%
Humidity
48.6 km/h
Wind SSE
1004.0 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
30
7.19 µg/m³
PM10▲
60
73.05 µg/m³
050100150200300500

What is the weather forecast for Hirokawa?

Temperature & Precipitation

PM2.5 Trend

47h · 36 stations
PM2.57.19 µg/m³ ✓ WHO
Good
PM1073.05 µg/m³
Moderate
UV INDEX2.2
Moderate
AD 300×250
Station readings (11 stations within 25 km)
7.19
Median
8.24
Average
2.2
Low
15.0
High
PM2.5 µg/m³ · Model: 23.15 · Bias: +16.0

What is the 7-day forecast for Hirokawa?

05-28
22.4° 14.9°
58.75 mm
05-29
23.3° 20.2°
4.69 mm
05-30
23.2° 20.3°
0.19 mm
05-31
26.4° 21.2°
06-01
31.7° 19.0°
1.75 mm
06-02
26.5° 22.7°
06-03
23.4° 17.6°
20.19 mm
Both models agree Avg diff: 2.4°C

Where are air quality stations near Hirokawa?

34
Tachibanamachi Tanigawa, Yame-shi, Fukuoka-ken, Japan (八女八女市)
6.0 km PM2.5: 8.2 µg/m³
21
Tachibanamachi Tanigawa, Yame-shi, Fukuoka-ken, Japan (八女八女市)
6.0 km PM2.5: 5.0 µg/m³
35
Mizumamachi Tamamitsu, Kurume, Fukuoka, Japan (三潴中学校久留米市)
8.0 km PM2.5: 8.4 µg/m³
34
Mizumamachi Tamamitsu, Kurume, Fukuoka, Japan (三潴中学校久留米市)
8.0 km PM2.5: 8.2 µg/m³
42
Kurume (久留米)
9.4 km PM2.5: 10.1 µg/m³
34
Shukumachi, Tosu, Saga, Japan (鳥栖鳥栖市)
15.6 km PM2.5: 8.2 µg/m³
42
Mitsuhashimachi Imakoga, Yanagawa, Fukuoka, Japan (柳川柳川市)
15.8 km PM2.5: 10.1 µg/m³
9
Mitsuhashimachi Imakoga, Yanagawa, Fukuoka, Japan (柳川柳川市)
15.8 km PM2.5: 2.2 µg/m³
17
Gion, Ogori, Fukuoka, Japan (筑後小郡小郡市)
17.2 km PM2.5: 4.1 µg/m³
30
Gion, Ogori, Fukuoka, Japan (筑後小郡小郡市)
17.2 km PM2.5: 7.2 µg/m³

What cities are near Hirokawa?

35 Chikugo 25 Kurume 26 Yame 40 Setakamachi-takayanagi 33 Nakatsukuma 32 Tosu 40 Miyama 34 Ogōri 40 Yanagawa 40 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 2026-05-28T22:50 UTC.