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AQIRadar

Air quality, explained.

Guides, research and plain-language explainers on the air we breathe — from Diwali spikes to GRAP stages.

HEPA Filters Explained Simply: How They Work, What They Remove, and How to Choose One
hepafilers

HEPA Filters Explained Simply: How They Work, What They Remove, and How to Choose One

Learn how HEPA filters actually work, what the famous 99.97% efficiency rating means, and why 0.3 microns isn't the smallest particle a HEPA filter can capture. This simple guide explains HEPA vs. MERV and activated carbon, what HEPA filters can remove, how CADR affects real-world performance, and what to look for when choosing an air purifier.

AQIRadar
How to Reduce PM2.5 Inside Your Home | Evidence Based Practical Guide
PM2.5

How to Reduce PM2.5 Inside Your Home | Evidence Based Practical Guide

Learn practical, evidence-based ways to reduce PM2.5 inside your home. Discover how cooking, outdoor pollution, ventilation, air purifiers, HEPA filters, and HVAC filtration affect indoor air quality—and what you can do to breathe cleaner air.

Faheem M
Air Quality and Sleep: Can Air Pollution Affect Your Sleep?
sleep

Air Quality and Sleep: Can Air Pollution Affect Your Sleep?

Can poor air quality affect your sleep? Research increasingly links exposure to pollutants such as PM2.5 and nitrogen dioxide (NO₂) with sleep-disordered breathing and obstructive sleep apnea. Discover what the latest scientific evidence says about air pollution, indoor air quality, sleep quality, and practical ways to reduce exposure while you sleep.

Faheem M
Indoor vs Outdoor Air Quality: Understanding AQI, Pollutants, and Home Solutions
Air quality

Indoor vs Outdoor Air Quality: Understanding AQI, Pollutants, and Home Solutions

Indoor vs outdoor air quality is a growing concern as pollution levels continue to rise. While many assume outdoor air is more harmful, indoor air can often be more polluted due to poor ventilation, household chemicals, and trapped particulate matter like PM2.5. Understanding how the Air Quality Index (AQI) works and the key differences between indoor and outdoor environments can help you take effective steps to protect your health.

Faheem M
PM2.5 vs PM10: What's the Difference?
Air quality

PM2.5 vs PM10: What's the Difference?

Learn PM2.5 vs PM10 differences, health impacts, pollution sources, and why PM2.5 is considered more dangerous than PM10.

AQIRadar
What Is AQI? Complete Guide for Indians
Air quality

What Is AQI? Complete Guide for Indians

Learn what is AQI, how the Air Quality Index works in India, AQI categories, health impacts, and how to make safer outdoor decisions.

Faheem M
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