Air Quality in Hikiso, Japan

Cloudy
29.5°C · 70.8% humidity
29.5°
Feels 35.2°
69
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
33 stations

Nearby Monitoring Stations

AQI Forecast
54 7am
54
54
69 10am
65
62
60 1pm
58
57
56 4pm
55
55
55 7pm
55
54
66 10pm
66
66
66 1am
66
83
83 4am
66
66
AD 728×90

Air Quality Index Trend

47h · 42 stn

Hikiso'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 Hikiso is 1.4× the WHO 24-hour guideline of 15 µg/m³.

70.8%
Humidity
23.7 km/h
Wind E
998.4 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
69
20.82 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Hikiso?

Temperature & Precipitation

PM2.5 Trend

47h · 42 stations
PM2.520.82 µg/m³ ×1.4 WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (33 stations within 25 km)
20.82
Median
18.65
Average
4.6
Low
28.3
High
PM2.5 µg/m³ · Model: 16.35 · Bias: -4.5

What is the 7-day forecast for Hikiso?

07-22
33.3° 24.9°
4.87 mm
07-23
29.6° 20.1°
10.44 mm
07-24
30.3° 26.1°
2.63 mm
07-25
34.2° 25.0°
2.0 mm
07-26
33.3° 24.4°
3.88 mm
07-27
34.5° 23.3°
1.31 mm
07-28
30.7° 25.7°
13.0 mm
Both models agree Avg diff: 1.9°C

Where are air quality stations near Hikiso?

53
Ōnaka, Yamatotakada-shi, Nara-ken, Japan (高田大和高田市)
3.3 km PM2.5: 13.1 µg/m³
30
Ōnaka, Yamatotakada-shi, Nara-ken, Japan (高田大和高田市)
3.3 km PM2.5: 7.2 µg/m³
13
Ōnaka, Yamatotakada-shi, Nara-ken, Japan (高田大和高田市)
3.3 km PM2.5: 3.1 µg/m³
25
Miyako, Nara-ken, Japan (田原本磯城郡田原本町)
4.2 km PM2.5: 6.0 µg/m³
31
Miyako, Nara-ken, Japan (田原本磯城郡田原本町)
4.2 km PM2.5: 7.4 µg/m³
73
Oji, Nara, Japan (王寺北葛城郡王寺町)
6.1 km PM2.5: 22.6 µg/m³
29
Rokkenmachi, Gose, Nara, Japan (御所御所市)
9.0 km PM2.5: 7.0 µg/m³
68
Ōdono, Sakurai-shi, Nara-ken, Japan (桜井桜井市)
9.9 km PM2.5: 20.2 µg/m³
8
Ōdono, Sakurai-shi, Nara-ken, Japan (桜井桜井市)
9.9 km PM2.5: 1.9 µg/m³
57
Tanbaichicho, Tenri, Nara, Japan (天理天理市)
10.1 km PM2.5: 15.0 µg/m³

What cities are near Hikiso?

68 Kashiba 72 Yamato-Takada 67 Kanmaki 67 Takatsukadai 73 Tawaramoto 73 Kashihara-shi 65 Oji 65 Tatsuno-kita 72 Katsuragi 67 Yamatokōriyama
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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 2026-07-22T01:19 UTC.