Viridian Air

Air quality expertise for planning & compliance

Specialist assessments for residential, commercial and industrial developments across England, Scotland and Wales. Fast, rigorous, and competitively priced.

Our air quality consultancy services

From initial screening assessments to detailed dispersion modelling for Environmental Impact Assessments — we liaise closely with clients and local authorities throughout.

1. Air quality assessment for planning applications

Impact and neutrality assessments for residential, commercial and industrial developments from small…

2. Air quality neutral assesment

London Plan Policy SI1 compliant statements for all major developments in Greater London…

3. Construction dust risk assessment

IAQM-compliant Air Quality Dust Risk Assessment (AQDRA) covering demolition, construction and trackout…

4. Emission mitigation plans

Bespoke construction and operational mitigation strategies developed in consultation with the client…

5. Workplace air quality monitoring

HSE Workplace Exposure Limit compliance monitoring for PM10, PM2.5, CO₂ and VOCs. Clear reports with actionable…

6. Cleanroom monitoring & compliance

ISO 14644 classification monitoring for pharmaceutical, medical device, aerospace and life science facilities…

Professional qualifications you can trust

The Viridian Air team brings together academic, technical, research and practical expertise in environmental science, engineering and information management. We are embedded in UK air quality policy networks and deliver work that stands up to local authority scrutiny.

Fellow of the IAQM

The professional grade of the Institute of Air Quality Management

Fellow of the RMS

Recognised expertise in atmospheric science and meteorology

Chartered Environmentalist

Licensed by the Society for the Environment and the Science Council

Discuss your project with our team

From initial scoping to submission-ready reports — we work closely with clients and local authorities to ensure a fast, smooth approval process.

01

Scoping call

We review your scheme, confirm what assessments are required and provide a fixed-fee quotation within 24 hours. No obligation.

02

Baseline and data

We gather existing monitoring data, Defra background maps and any site-specific information needed to begin the assessment. Where on-site monitoring is required, we agree a programme with you at the outset.

03

Assessment and modelling

We carry out the assessment using the appropriate methodology and tools, applying IAQM and Defra guidance throughout. We liaise directly with the local authority air quality officer where needed.

04

Report and submission

We deliver a clear, submission-ready report and remain available to respond to any local authority queries after submission at no additional charge.

Case studies

250-dwelling residential scheme adjacent to AQMA, West Yorkshire

Full air quality impact assessment and air quality neutral statement for a major housing allocation. Detailed dispersion modelling demonstrating compliance...

Mixed-use commercial and retail development, London Borough

Air quality neutral assessment compliant with London Plan Policy SI1 and GLA guidance. Building and transport emission benchmarks assessed for NOx and PM2.5.

Construction dust risk assessment for industrial warehouse complex, Scotland

AQDRA during demolition and construction phases with GIS-mapped receptor buffers and an emission mitigation plan aligned with local authority...

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