Eco-Friendly Green Crackers Explained: What They Are and How They Work
Green crackers are a newer category of fireworks designed to reduce air and noise pollution during festivals. Here is everything you need to know about them before Diwali.
What Are Green Crackers?
Green crackers are a category of fireworks developed in India by the Council of Scientific and Industrial Research (CSIR) in response to growing concerns about air pollution during Diwali. Introduced in 2018, these crackers are formulated to produce significantly lower levels of particulate matter, harmful gases, and noise compared to traditional crackers.
The term "green" here does not mean the crackers burn green in colour — though some may. It refers to their reduced environmental impact. Green crackers are designed to emit up to 30% fewer pollutants than conventional crackers and produce lower sound levels that are easier on the ears and on pets.
How Are They Different from Regular Crackers?
The key difference lies in the chemical composition. Traditional crackers often use potassium nitrate and other oxidisers that produce large amounts of sulphur dioxide and particulate matter. Green crackers replace or reduce these chemicals with safer alternatives that still produce light and colour but with a smaller pollution footprint.
Key improvements include:
- Lower particulate matter (PM 2.5 and PM 10) — Reduced by up to 30% compared to conventional crackers.
- Less noise — Sound output is capped at around 110 decibels at a distance of 4 metres.
- No harmful metals — Green crackers avoid arsenic, mercury, lithium, lead, and antimony compounds.
- Shorter residue — The ash and residue left behind after burning is reduced significantly.
Types of Green Crackers Available
Green crackers are available in most of the same categories as conventional crackers:
- SWAS (Safe Water Releaser) — Uses water vapour to suppress dust and reduce smoke output.
- STAR (Safe Thermite Cracker) — A type that produces minimal smoke and bright coloured effects.
- SAFAL (Safe Minimal Aluminium) — Designed for aerial bursts with reduced aluminium content and lower particulate output.
- Green sparklers — Standard handheld sparklers formulated to emit fewer particles.
How to Identify Authentic Green Crackers
Only green crackers certified by CSIR and the Petroleum and Explosives Safety Organisation (PESO) are genuine. Authentic green crackers carry a QR code or "Green Cracker" label on the packaging. When purchasing, look for this mark and confirm with the seller.
Uncertified crackers sold as "green" may not meet the stated standards. Always buy from licensed and reputable sellers who source from certified manufacturers.
Are Green Crackers Safer to Handle?
In terms of burn safety, green crackers behave similarly to conventional crackers — the same handling rules apply. Never hold ground crackers in your hand, maintain a safe distance when lighting, and keep water and sand nearby.
However, because they produce less smoke, they are a more comfortable choice for people with respiratory conditions such as asthma. They are also a considerate choice for celebrations in densely populated neighbourhoods.
Why Choose Green Crackers This Diwali
Choosing green crackers is one of the easiest ways to celebrate Diwali while being mindful of your community and the environment. You still get the full visual experience — bright colours, sparkles, and bursts — without the thick smoke clouds that follow conventional cracker use.
Many states in India now encourage or mandate the use of certified green crackers during festivals. Choosing them keeps you within community guidelines and sets a positive example for younger family members growing up with the festival.
Green crackers have improved significantly since their introduction. Today, they deliver a genuine festive experience while making a meaningful difference in local air quality.