City action briefmonitored

Semey

Abai region · 50.41°N 80.23°E · population 350,000

Primary stressorSeverity 80/100

Legacy radiological contamination

Driven by Semipalatinsk Polygon, 111 km away — legacy nuclear-test ground; residual contamination on the steppe.

107Air qualityLive
56Water qualityModeled
42Industrial loadModeled
69Environmental riskModeled

Recommended actions

  1. 01

    Residual contamination survey grid

    Complete a gridded gamma and soil-sampling survey across the accessible perimeter, and publish the resulting map.

    Why: Legacy contamination is patchy. Without a current map, both restriction and reassurance are guesswork.

    Expected effectIndicativeIndicative: establishes the boundary the other two measures depend on
    First effect1–2 field seasons
    OwnerNational nuclear centre + oblast administration
  2. 02

    Land-use restriction mapping and signage

    Translate the survey into enforceable land-use restrictions, marked on the ground where grazing and access actually occur.

    Why: Restrictions that exist only in a register are routinely crossed by herders and scrap collectors who were never told.

    Expected effectIndicativeIndicative reduction in inadvertent exposure; depends on enforcement
    First effect12–24 months after survey
    OwnerOblast administration + land committee
  3. 03

    Health screening for adjacent settlements

    Offer a standing screening programme to settlements inside the affected radius, with results held in a long-term cohort registry.

    Why: Exposure here is historic; the actionable question is health surveillance, not prevention.

    Expected effectIndicativeNo exposure reduction — earlier detection and a defensible evidence base
    First effectOngoing
    OwnerMinistry of Health
How to read this brief
  • Air quality is measured. AQI and its components come from Open-Meteo / CAMS at page load. Water, industrial load and environmental risk are a modeled regional baseline — indicative, not measured.
  • The actions are a lookup, not a forecast. Each stressor maps to a fixed table of interventions written from published practice; the ordering reflects this city's readings.
  • Effect ranges are planning figures. They describe what comparable measures achieved elsewhere. They are not outcomes observed in Semey and not commitments.
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