Uploaded March 2026 | Updated September 2026, 1 day ago

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New data shows global air quality progress stalling as wildfire smoke and climate change intensify global air pollution. Despite some regional improvements, major data gaps remain, with only a fraction of the global population having access to hyper-local, real-time air quality information.

To download IQAir's 2025 World Air Quality Report, go to iqair.com/world-air-quality-report.

Chapters:
0:00-1:06: Understanding IQAir's 2025 World Air Quality Report
1:07-2:09: Pakistan is the world's most polluted country in 2025
2:10-2:35: US State Department ends global monitoring program
2:36-3:41: Air pollution in India
3:42-4:06: Countries that meet the WHO air pollution guideline in 2025
4:07-4:12: Oceania
4:13-4:24: Latin America and the Caribbean
4:25-5:09: Europe
5:10-5:25: Southeast Asia
5:26-6:20: Canada
6:21-7:02: United States of America
7:03-7:34: West Asia
7:35-8:07: China
8:08-8:43: How IQAir collects air quality data
8:44-9:22: Expanding the global air quality monitoring network
9:23-9:40: Download IQAir's 2025 World Air Quality Report