Air Quality in Okayama, Japan

Windy
26.8°C · 88.3% humidity
26.8°
Feels 26.8°
64
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
6 stations

Nearby Monitoring Stations

AQI Forecast
54 5am
54
54
64 8am
61
59
58 11am
57
56
55 2pm
55
55
34 5pm
27
27
27 8pm
25
54
54 11pm
54
54
54 2am
54
54
AD 728×90

Air Quality Index Trend

47h · 2 stn

Okayama'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 Okayama is 1.2× the WHO 24-hour guideline of 15 µg/m³.

88.3%
Humidity
67.3 km/h
Wind ESE
996.7 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
64
18.46 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Okayama?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.518.46 µg/m³ ×1.2 WHO
Moderate
PM1041.15 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (6 stations within 25 km)
18.46
Median
16.95
Average
9.4
Low
21.1
High
PM2.5 µg/m³ · Model: 20.3 · Bias: +1.8

What is the 7-day forecast for Okayama?

07-21
31.1° 24.4°
0.13 mm
07-22
31.9° 22.0°
1.0 mm
07-23
27.5° 16.8°
2.56 mm
07-24
29.5° 24.0°
0.81 mm
07-25
32.1° 20.9°
5.19 mm
07-26
28.8° 24.0°
2.5 mm
07-27
33.7° 22.7°
Both models agree Avg diff: 3.1°C

Where are air quality stations near Okayama?

26
Maegata, Okayama, Japan (早島都窪郡早島町)
11.3 km PM2.5: 6.2 µg/m³
25
Chayamachi Hayaoki, Kurashiki, Okayama, Japan (茶屋町倉敷市)
11.4 km PM2.5: 6.0 µg/m³
42
Kurashiki (倉敷)
16.4 km PM2.5: 10.1 µg/m³
70
Kurashiki (倉敷)
16.4 km PM2.5: 21.1 µg/m³
70
Kurashiki (倉敷)
16.4 km PM2.5: 21.1 µg/m³
24
Chuo, Soja, Okayama, Japan (総社総社市)
17.4 km PM2.5: 5.8 µg/m³
10
Uno, Tamano-shi, Okayama-ken, Japan (宇野玉野市)
17.7 km PM2.5: 2.4 µg/m³
27
Uno, Tamano-shi, Okayama-ken, Japan (宇野玉野市)
17.7 km PM2.5: 6.5 µg/m³
26
Horinan, Kurashiki, Okayama, Japan (大高倉敷市)
17.9 km PM2.5: 6.2 µg/m³
31
Matsue, Kurashiki, Okayama, Japan (松江倉敷市)
22.1 km PM2.5: 7.4 µg/m³

What cities are near Okayama?

62 Tamano 62 Sōja 63 Kurashiki 34 Setouchi 42 Akaiwa 41 Bizen 62 Takahashi 64 Asakuchi 64 Kamogatachō-kamogata 66 Takamatsu
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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 2026-07-21T23:16 UTC.