Air Quality in Okayama, Japan

Heavy Rain
19.6°C · 87.0% humidity
19.6°
Feels 19.6°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
12 stations

Nearby Monitoring Stations

AQI Forecast
34 6am
34
54
33 9am
51
55
58 12pm
48
50
51 3pm
52
53
53 6pm
53
33
34 9pm
34
34
34 12am
34
34
34 3am
34
27
AD 728×90

Air Quality Index Trend

47h · 28 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 1.6× the WHO annual guideline of 5 µg/m³.

87.0%
Humidity
35.5 km/h
Wind E
1001.4 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
33
7.88 µg/m³
PM10▲
63
79.9 µg/m³
050100150200300500

What is the weather forecast for Okayama?

Temperature & Precipitation

PM2.5 Trend

47h · 28 stations
PM2.57.88 µg/m³ ✓ WHO
Good
PM1079.9 µg/m³
Moderate
UV INDEX10.9
Extreme
AD 300×250
Station readings (12 stations within 25 km)
7.88
Median
7.96
Average
5.8
Low
10.1
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +8.5

What is the 7-day forecast for Okayama?

05-29
19.6° 17.8°
13.81 mm
05-30
23.2° 16.7°
3.69 mm
05-31
24.6° 16.4°
06-01
28.9° 17.2°
0.13 mm
06-02
25.6° 17.4°
06-03
24.7° 17.0°
0.19 mm
06-04
24.8° 13.6°
0.06 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Okayama?

42
Maegata, Okayama, Japan (早島都窪郡早島町)
11.3 km PM2.5: 10.1 µg/m³
34
Chayamachi Hayaoki, Kurashiki, Okayama, Japan (茶屋町倉敷市)
11.4 km PM2.5: 8.2 µg/m³
57
Kurashiki (倉敷)
16.4 km PM2.5: 15.0 µg/m³
21
Kurashiki (倉敷)
16.4 km PM2.5: 5.0 µg/m³
18
Kurashiki (倉敷)
16.4 km PM2.5: 4.3 µg/m³
38
Chuo, Soja, Okayama, Japan (総社総社市)
17.4 km PM2.5: 9.1 µg/m³
38
Uno, Tamano-shi, Okayama-ken, Japan (宇野玉野市)
17.7 km PM2.5: 9.1 µg/m³
21
Uno, Tamano-shi, Okayama-ken, Japan (宇野玉野市)
17.7 km PM2.5: 5.0 µg/m³
34
Horinan, Kurashiki, Okayama, Japan (大高倉敷市)
17.9 km PM2.5: 8.2 µg/m³
50
Matsue, Kurashiki, Okayama, Japan (松江倉敷市)
22.1 km PM2.5: 12.0 µg/m³

What cities are near Okayama?

34 Tamano 30 Sōja 37 Kurashiki 28 Setouchi 26 Akaiwa 23 Bizen 28 Takahashi 33 Asakuchi 33 Kamogatachō-kamogata 33 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 2026-05-29T00:12 UTC.