{"id":1891,"date":"2026-09-08T06:00:00","date_gmt":"2026-09-07T21:00:00","guid":{"rendered":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-09-08-wmo-air-quality-climate-en\/"},"modified":"2026-09-08T06:00:00","modified_gmt":"2026-09-07T21:00:00","slug":"2026-09-08-wmo-air-quality-climate-en","status":"publish","type":"briefing","link":"https:\/\/onepress.co.kr\/index.php\/briefing\/2026-09-08-wmo-air-quality-climate-en\/","title":{"rendered":"WMO warns wildfire smoke and heat-driven ozone can erode clean-air gains"},"content":{"rendered":"

2026-09-08 06:00 KST<\/strong><\/p>\n

The World Meteorological Organization warned on September 7 that wildfire smoke and heatwaves can undermine air-quality improvements. In 2025, PM2.5 was above its long-term average in northern Canada, parts of Russia and western-central Africa because of increased fire activity.<\/p>\n

The bulletin does not say air worsened everywhere. China remained below average as human-caused emissions declined, and Amazon burning was relatively lower than in previous years. Monitoring gaps and model uncertainty remain.<\/p>\n

Why is wildfire smoke different?<\/h2>\n

Fine particles can travel far and penetrate deep into lungs. Extreme smoke events have tripled globally since the 1990s, according to a study cited by WMO.<\/p>\n

What does nearly 100,000 mean?<\/h2>\n

It is an estimate of additional annual deaths linked to extreme fire smoke in 2010\u20132018, not a direct count from one fire or an individual risk.<\/p>\n

\"WMO
This AI-generated image explains the topic; it is not a photograph of the actual event, observation or facility.<\/figcaption><\/figure>\n

How does heat raise ozone?<\/h2>\n

Heat, stagnant air and sunlight promote harmful ground-level ozone. It differs from protective stratospheric ozone and affects health, crops and ecosystems.<\/p>\n

Why not rely on one map?<\/h2>\n

Four models broadly agreed on patterns, but sustained observations remain insufficient, especially for microplastics and local peaks.<\/p>\n

What should readers check?<\/h2>\n

Use real-time local air-quality and health advice during fires and heatwaves. Global trends do not replace local exposure guidance.<\/p>\n

Primary sources and independent checks<\/h2>\n

WMO \ub300\uae30\uc9c8\u00b7\uae30\ud6c4 \ud68c\ubcf4 6\ud638 \ubc1c\ud45c<\/a><\/p>\n

WMO \uacf5\uc2dd \ud68c\ubcf4 \ubaa9\ub85d<\/a><\/p>\n

\ub3c5\ub9bd \uc694\uc57d\u00b7\uad50\ucc28 \ud655\uc778<\/a><\/p>\n

Read in other languages<\/h2>\n

\ud55c\uad6d\uc5b4<\/a> \u00b7 English<\/a> \u00b7 Espa\u00f1ol<\/a> \u00b7 \u65e5\u672c\u8a9e<\/a> \u00b7 Ti\u1ebfng Vi\u1ec7t<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

WMO says fires and heatwaves are increasing PM2.5 and surface-ozone exposure. The figures are regional observations and model estimates, not personal forecasts.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"class_list":["post-1891","briefing","type-briefing","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing\/1891","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/briefing"}],"about":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/types\/briefing"}],"wp:attachment":[{"href":"https:\/\/onepress.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=1891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}