With the rapid growth of private vehicle ownership and urban expansion, traffic, construction, and social activity noise have become the primary sources of urban noise pollution. Effective environmental noise management is essential for protecting public health and maintaining quality of life in residential and commercial areas.
Excessive noise pollution has been linked to a range of health issues, including sleep disturbance, stress, and cardiovascular problems. Governments and environmental agencies worldwide have established strict noise regulations to protect communities. Accurate noise measurement is the foundation of effective noise control and regulatory compliance.
Assess the impact of aircraft noise on surrounding communities and residential zones near airports.

Evaluate noise levels in residential areas from industrial facilities, transportation, and entertainment sources.
Measure and assess road traffic noise levels in urban areas for noise control planning and regulatory compliance.

Provide accurate noise data for environmental impact assessments of new infrastructure projects, including roads, airports, and industrial facilities.
Aihua Instruments' sound level meters deliver comprehensive environmental noise measurement data, including:
| Leq | Equivalent continuous sound level |
| Lmax | Maximum sound level |
| Lmin | Minimum sound level |
| Ld | Daytime noise level |
| Ln | Nighttime noise level |
| Ldn | Day-night average sound level |
These measurement parameters support compliance with internationally recognized noise standards, including ISO 1996, IEC 61672, ISO 9613, and WHO Environmental Noise Guidelines.
Aihua Instruments offers a range of professional sound level meters suitable for environmental noise measurement:
iSV1101-2 Noise Monitoring System
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