Air quality in Shiga

Air quality index (AQI⁺) and PM2.5 air pollution in Shiga • 22:00, Jul 22

Live most polluted city ranking

Real-time Shiga most polluted city ranking

#	Cities	AQI⁺ US
1	Otsu	81
2	Nagahama	79
3	Kusatsu	71
4	Koka	69
5	Moriyama	68
6	Kokacho Oharaichiba	66
7	Higashiomi	60
8	Hikone	56
9	Omihachiman	55
10	Takashima	55

Live cleanest city ranking

Real-time Shiga cleanest city ranking

#	Cities	AQI⁺ US
1	Omihachiman	55
2	Takashima	55
3	Hikone	56
4	Higashiomi	60
5	Kokacho Oharaichiba	66
6	Moriyama	68
7	Koka	69
8	Kusatsu	71
9	Nagahama	79
10	Otsu	81

Southern Japan Air Quality Alert

Wildfire Map Spotlight: Southern Europe Wildfires

Western US Air Quality Alert

globe background

Connect With IQAir

Get exclusive articles, product updates, tips, and occasional offers delivered to your inbox. You can unsubscribe at any time.

GSA contract holder

View Privacy Policy

Privacy Policy© 2026 IQAir. All rights reserved