air within cyberia is a shared resource. quality is maintained by controlling combustion sources, material choices, and indoor ventilation standards.
open burning
prohibited at all times:
synthetic materials: plastics, rubbers, foams, painted or treated wood, composite panels
agricultural residues used as waste disposal (open field burning)
municipal solid waste
permitted with prior notification (48 h) to neighbors within 100 m:
biochar retort or TLUD kiln — requires smoke-free secondary combustion chamber
controlled burns for land clearing of organic material during dry season — wind direction must carry smoke away from residential zones
cooking and processing fires
wood fires: only dry, untreated hardwood or coconut shell
rocket stove or gasifier preferred — smoke-free operation from second ignition
no kerosene or diesel combustion indoors
biogas from energy and water system is the default indoor cooking fuel
generators and engines
diesel generators: emergency backup only, maximum 4 h/day per unit, exhaust directed away from occupied spaces
all internal combustion equipment: tier 4 emissions standard or equivalent
petrol-powered hand tools: permitted in laba workshop zone only, not in residential or garden zones
indoor air
VOC limits on materials used in construction and furniture: zero-VOC paints, natural oils, beeswax, lime plaster — no solvent-based finishes in occupied spaces
cross-ventilation required in all sleeping spaces: minimum two openings on opposing walls
cooking smoke: range hood or chimney with 1.5× area dilution
dust
construction zones: water suppression of exposed soil during dry season
volcanic ash events: temporary closure of outdoor common areas until PM10 falls below 150 µg/m³
monitoring
shared PM2.5 sensor at community center, readings published daily to cyberia ledger
neighbor complaint threshold: 3 documented complaints triggers formal review within 7 days