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Real-time air quality monitor for Korean cities (PM2.5/PM10) Air Quality Monitor provides real-time air quality data for 17 Korean cities and regions. Check PM2.5, PM10, O3, and CO levels at a glance with a color-coded toolbar badge and detailed popup. Features: • Real-time PM2.5 level displayed on the toolbar badge with color coding • Circular air quality gauge with Korean grade labels (좋음/보통/나쁨/매우나쁨) • PM10, O3, CO secondary pollutant readings • Integrated CAI (통합대기환경지수) score display • 17 Korean cities/regions to choose from • Configurable auto-refresh interval (15min / 30min / 1hr) • Powered by AirKorea (에어코리아) public API from the Korea Environment Corporation • All data stored locally — no accounts, no tracking
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