Air Quality

Integrated Air Quality Support for Development & Operations

Air Quality Experts for Planning, Permitting & Site Success

At Arthian, our air quality consultants provide expert support across the full development lifecycle—from early-stage feasibility and planning applications to environmental permitting, construction delivery and operational compliance. Whether you are designing a new residential scheme, expanding an industrial site, or managing emissions at a regulated facility, we help you understand and control air quality risks with clarity and confidence.

We support clients across sectors including residential, commercial and mixed-use development, energy, infrastructure and transport, minerals, waste and manufacturing, and regulated industrial installations.

Our services are aligned with national planning policy, IAQM guidance, and permitting frameworks under EPR (England & Wales) and PPC (Scotland) – ensuring your project remains compliant, defensible and environmentally responsible.

Our Air Quality Capabilities

We offer a comprehensive suite of air quality services, tailored to site-specific risks, planning context and regulatory requirements.

Our services include:

Air Quality Assessments

Dispersion Modelling & Chimney Height Calculations

Construction Dust & Minerals Dust

Occupational Hygiene & Workplace Exposures

Bioaerosol Risk Assessment & Bioaerosol Monitoring Assessment

Odour Assessment and Ammonia Assessment

Assessment of Effects on Habitats

Air Quality Assessments

Our experts offer a range of services including:

Air Quality Screening Assessments: rapid risk screening to determine whether a full assessment is required, saving time and cost in the early stages
Air Quality Impact Assessments (AQIA): planning ready reports for residential, commercial and industrial developments, including baseline surveys, modelling and mitigation advice

Dispersion Modelling & Chimney Height Calculations

Our services include:

Dispersion Modelling: Predictive modelling of emission from roads, stacks and site activities using ADMS-Roads and ADMS-6 software
Chimney Height Calculations: Stack height optimisation to ensure effective dispersion and compliance with permitting requirements.

Construction Dust & Minerals Dust

We offer qualitative and quantitative assessment of construction-phase dust and minerals dust impacts, including mitigation strategy development and Dust Management Plans.

Occupational Hygiene & Workplace Exposures

Our services include:

Occupational Hygiene & Workplace Exposure: we are listed in the BOHS Directory of Occupational Hygiene Services and can provide assessment and monitoring of airborne substances.
Expert Witness & Regulator Liaison: technical input for planning appeals, public inquiries and enforcement proceedings.

Bioaerosol Risk Assessment & Bioaerosol Monitoring Assessment

We offer monitoring and laboratory analysis of bioaerosol emissions from waste, wastewater and industrial processes aligned with EA Technical Guidance Note M9 and sector-specific standards.

Odour Assessment and Ammonia Assessment

Our services include:

Odour Assessment: services include IAQM Odour Risk Assessments, Kitchen Odour Risk Assessments, Odour Dispersion Modelling, Odour Monitoring and Odour Management Plans.
Ammonia Assessment: from rapid Initial Screening Assessment to SCAIL Agriculture Assessment to Detailed Modelling for poultry, pig and cattle farming.

Assessment of Effects on Habitats

Our team evaluates air quality impacts on sensitive ecological receptors, including nitrogen oxides, ammonia, nitrogen deposition and acidification risk.