ID 315496588 © vedpku | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
2d animated air quality index tracker video allergy alpha channel aqi measurement technique calculation car checking chemical chemicals clean climate change diagram dioxide dust education emission environment excessive harmful health risks hygiene idea indicator knowledge scale measuring medical meter motion design pollutants pollution protection quantities substances quicktime respiratory smog toxic transparent unhealthy urban smoke