MPCB Noise Tests Reveal Firecrackers Exceeding Safe Limits Before Diwali
The Maharashtra Pollution Control Board (MPCB) has conducted noise level tests on firecrackers ahead of Diwali, revealing that several commonly sold firecrackers exceed legal noise limits.
MpcbDiwaliNoise PollutionFirecrackersEnvironmental ImpactReal Estate PuneOct 18, 2025
As per the Noise Pollution (Regulation and Control) Rules, 2000, and Central Pollution Control Board (CPCB) norms, the maximum permissible noise level is 125 dB(AI) Leq at four meters for individual crackers, and 110 dB(AI) Leq for joined or series crackers.
However, MPCB’s measurements, taken at 8.2 meters (27 feet), recorded noise levels between 52.2 dB and 95.3 dB. Since sound intensity drops by roughly 6 dB with each doubling of distance, actual noise levels at four meters could be 6–8 dB higher, pushing several firecrackers above the legal threshold.
For example, Myna Silver 500 Lad, a series cracker, recorded 95.3 dB at 8.2 meters, suggesting it could exceed the 110 dB limit at four meters. Anil Dynamate Bomb Green and Anil Flower Rocket registered 82 dB and 79.5 dB, respectively, likely approaching or surpassing the 125 dB cap for individual crackers when corrected for distance. Only smaller items like Laxmi Tota (56.7 dB) and Cotton Candy (69.1 dB) remained well within safer limits.
“While the test was for comparative assessment, it clearly shows that many firecrackers still exceed the permissible limits,” a senior MPCB official said. The findings will be submitted to the board’s head office for further action.
Environmental experts warned that real-world exposure could be worse in densely populated areas, where simultaneous bursting of crackers significantly amplifies cumulative noise. “Even though readings were below 100 dB at 8 meters, the actual noise at 4 meters could breach CPCB limits. This underlines the need for stricter enforcement and public awareness,” the official added.
Noise Monitoring Planned at 14 City Locations
MPCB will monitor noise levels at 11 sites in Pune, including Shivajinagar, Karve Road, Swargate, Yerwada, Laxmi Road, and Savitribai Phule Pune University Road, and three locations in Pimpri-Chinchwad: Pimpri, Chinchwad, and Thergaon. Officials said decibel levels will be recorded during different times of the day, especially peak evening hours during Diwali. The data will be compared against prescribed ambient noise standards to ensure compliance.
Frequently Asked Questions
What is the maximum permissible noise level for individual firecrackers?
The maximum permissible noise level for individual firecrackers is 125 dB(AI) Leq at four meters, according to the Noise Pollution (Regulation and Control) Rules, 2000, and CPCB norms.
How does sound intensity change with distance?
Sound intensity drops by roughly 6 dB with each doubling of distance. This means that if a noise level is measured at 8.2 meters, it could be 6–8 dB higher at four meters.
Which firecrackers were found to exceed noise limits in the MPCB tests?
Firecrackers like Myna Silver 500 Lad, Anil Dynamate Bomb Green, and Anil Flower Rocket were found to potentially exceed the legal noise limits when adjusted to the standard testing distance of four meters.
Where will the MPCB monitor noise levels during Diwali?
MPCB will monitor noise levels at 11 sites in Pune, including Shivajinagar, Karve Road, Swargate, Yerwada, Laxmi Road, and Savitribai Phule Pune University Road, and three locations in Pimpri-Chinchwad: Pimpri, Chinchwad, and Thergaon.
What is the importance of these noise level tests?
These tests are crucial for enforcing noise pollution regulations and raising public awareness about the harmful effects of excessive noise during Diwali. They help ensure that firecrackers used during the festival are within safe limits.
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