Choose another country or region to see content specific to your location and shop online.

Air quality in Ustecky

Air quality index (AQI⁺) and PM2.5 air pollution in Ustecky • 00:24, Aug 12

Live most polluted city ranking

Real-time Ustecky most polluted city ranking

#	Cities	AQI⁺ US
1	Most	55
2	Ústí nad Labem	37
3	Hora Svaté Kateřiny	33
4	Teplice	32
5	Kadaň	29
6	Štětí	27
7	Mariánské Radčice	23
8	Chomutov	18
9	Děčín	18
10	Probostov	17

Live cleanest city ranking

Real-time Ustecky cleanest city ranking

#	Cities	AQI⁺ US
1	Jirkov	6
2	Probostov	17
3	Chomutov	18
4	Děčín	18
5	Mariánské Radčice	23
6	Štětí	27
7	Kadaň	29
8	Teplice	32
9	Hora Svaté Kateřiny	33
10	Ústí nad Labem	37

Wildfires in Ustecky

Real-time information

Active fires

--

Polluted skies.

Transboundary Air Quality Alert: Kuching, Malaysia most polluted major city

Close-up of an intense, blazing wildfire.

Wildfire Map Spotlight: Big Grass Fire, Oregon and Idaho

Heatwave Map Spotlight: South Asia

Which is the most polluted city in Ustecky?

globe background

Connect With IQAir

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

View Privacy Policy

Privacy Policy© 2026 IQAir. All rights reserved