💨 Category 04

Air and Atmosphere

Air quality indices, major pollutants, PM2.5 and PM10, industrial and transport emissions — five foundational articles on understanding and improving the air we breathe.

📝 5 articles· 🕒 ~30 min total reading· 🇺🇦 Українська версія

Articles in this category

From reading an air-quality index to understanding industrial emission controls — five practical articles on air and atmosphere.

Article 01
Air Quality: How It Is Assessed and What Key Indicators Mean
What PM2.5, NO₂, SO₂, ozone, and CO actually measure, how averaging periods and units work, and why standards, WHO guidelines, and AQI indices are three different things.
⏱ 5 min read·Foundational
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Article 02
Common Air Pollutants: Where They Come From and Why They Matter
Primary and secondary pollutants, PM, NOₓ, SO₂, ozone, CO, VOCs, and ammonia — their sources, atmospheric chemistry, and effects on health and ecosystems.
⏱ 6 min read·Foundational
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Article 03
PM2.5 and PM10: Why Fine Particles Are a Major Air-Quality Threat
Size fractions, composition, primary and secondary formation, health effects, measurement methods, and how to reduce emissions and personal exposure during pollution episodes.
⏱ 6 min read·Intermediate
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Article 04
Nitrogen and Sulfur Oxides: How Transport, Energy, and Industry Affect the Atmosphere
NOₓ and SO₂: sources, ozone and acid formation, health and ecosystem effects, and NOₓ/SO₂ reduction technologies including SCR, FGD, and low-NOₓ combustion.
⏱ 6 min read·Intermediate
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Article 05
Industrial Air Emissions: Sources, Control, and Reduction Measures
Point and fugitive sources, inventories, permits, BAT, dust collection, gas treatment, LDAR, start-up events, and transparent reporting — a complete guide to industrial air management.
⏱ 7 min read·Intermediate
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