Summary of Key Points
This article highlights the issue of the disconnect between high-temperature labor protection standards and real work scenarios. The use of the meteorological temperature (dry bulb temperature) measured by weather stations on suburban lawns as the sole criterion for determining the issuance of high-temperature allowances and the initiation of shutdowns systematically ignores the actual heat risks faced by workers in enclosed or hot working environments, such as logistics warehouses. For example, a young worker died in a warehouse due to the sweltering conditions despite a nighttime forecast of 28°C. The article analyzes the root causes of this discrepancy, including the misuse of proxy indicators and the system's preference for simple metrics, and proposes solutions ranging from decoupling regulations from specific scenarios to upgrading assessment methods. Ultimately, it raises the metaphor that in the era of digital governance, indicators cannot replace the real experiences of individuals.
Detailed Analysis
1. The Misuse of Proxy Indicators: Using Measures Designed for the Atmosphere to Assess Human Endurance
The temperature measured by weather stations is a “pure” indicator designed for global climate data comparability. It is taken at a height of 1.5 meters on a shaded, well-ventilated lawn and reflects the natural state of the atmosphere. However, labor protection should focus on how people can tolerate heat in specific work contexts, which are entirely different:
- Misalignment of Context: The weather station is located on a cool suburban lawn, while workers may be in enclosed, hot warehouses where goods block air circulation and machinery generate heat, or on hard surfaces exposed to the sun. For instance, the outdoor temperature might be lowest at 5 a.m., but the heat accumulated in the warehouse can make it extremely hot.
- Misalignment of Dimensions: Weather forecasts provide only a single temperature, but whether a person will suffer from heatstroke depends on multiple factors: temperature, humidity, wind speed, thermal radiation, and the intensity of labor. For example, 35°C in a humid environment can be more lethal than 40°C in a dry one because sweat cannot evaporate effectively, and direct sunlight can increase the perceived temperature significantly.
In short, using measures designed for the atmosphere to assess human endurance is fundamentally misplaced.
2. Why Does the System Prefer Weather Station Temperatures? The Logic of “Standardized Indifference” driven by Efficiency
Despite the clear mismatch, weather station temperatures are still used due to efficiency and cost considerations:
- For Law Enforcement: With limited resources, using standardized national meteorological data eliminates the need for on-site measurements, saving equipment and manpower.
- For Enterprises: Clear numerical thresholds (such as 40°C for shutdowns) provide a safety guarantee; if the forecast does not reach this level, operations are not considered illegal. Vague on-site assessments could lead to arbitrary enforcement, so small and medium-sized companies prefer to follow the forecasts.
- For Management: With millions of workers outdoors and countless enterprises, it is impractical to assess each situation individually. A uniform temperature indicator allows for broad coverage and minimal protection at a lower cost.
However, this approach ignores real risks: companies do not monitor actual workshop temperatures, enforcement does not account for thermal radiation, and the system does not address the safety of individual workers. The scientific credibility of meteorological data thus becomes a shield for compliance.
3. The First Step to Change: Returning the Right to On-Site Measurements to Workers
The most feasible change is to abandon the reliance on forecast temperatures alone. Current regulations specify that an indoor temperature of 33°C should trigger high-temperature allowances, but this is often ignored in practice in favor of outdoor forecasts. It should be clear that if the actual temperature in a workshop or construction site reaches this threshold, workers or safety officers have the authority to stop work immediately without waiting for a forecast.
For example, installing a simple thermometer in a logistics warehouse would allow workers to request a break as soon as the temperature exceeds 33°C, regardless of the weather station reading on the suburbs.
4. The Second Step: Replacing Single Temperatures with Comprehensive Indicators
Internationally, the Wet Bulb Globe Temperature (WBGT) is used to assess heat risk, considering temperature, humidity, wind speed, and thermal radiation, which more accurately reflects the human body’s heat load. China has relevant occupational health standards, but they are rarely applied. The next step should be to mandate WBGT measurements in high-risk industries such as logistics, construction, and metallurgy, providing enforcement teams with portable WBGT devices and detailed guidelines. Using comprehensive indicators that reflect human physiological conditions is a more scientific approach to protection.
5. The Metaphor of Digital Governance: Indicators Are Not the Whole Story
This article is not just about high-temperature labor protection; it also points out a common issue in the digital age: our over-reliance on metrics. We use scores to evaluate students, KPIs to assess employees, GDP to measure city performance, and temperatures to assess heat risk. While indicators aim for precision and uniformity, they often obscure the realities of individual people:
- A high average wage does not mean a higher actual income.
- Rapid GDP growth does not necessarily indicate improved living standards.
- A weather station reading of 28°C does not mean workers are not suffering from the heat.
The ultimate goal of all science, governance, and standards should be to focus on individuals. The young worker in the warehouse did not understand what a weather station was, but he simply wanted to escape the heat. The purpose of science and governance is to serve people, not cold numbers.
The value of this article lies in its use of a tragic case to expose the blind spots of indicator-based systems. When we choose simple indicators for efficiency, we must not forget the real people they leave behind. The solution to high-temperature labor protection lies in bringing governance back to reflect the actual conditions faced by workers.