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Air Quality Microstation Monitoring Solution
- Background and Requirements
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With rapid urbanization and stricter environmental regulations, traditional air quality monitoring stations face challenges such as high costs, insufficient coverage, and delayed data reporting. Air quality microstations, as compact and cost-effective monitoring tools, enable high-density, real-time regional air quality monitoring, supporting precise pollution control and data-driven decision-making.
- System Overview
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（1）Objectives
Establish a grid-based air quality monitoring network for rapid pollution source identification.
Monitor real-time dynamic distribution of pollutants (PM2.5, PM10, SO₂, NO₂, CO, O₃, VOCs, etc.).
Provide actionable data to environmental agencies for pollution alerts, emergency response, and policy evaluation.
（2）Technical Features
High-Precision Sensors: Electrochemical and laser scattering sensors with ≤±10% measurement error.
IoT Connectivity: Real-time data transmission via 4G/5G to cloud platforms.
Smart Maintenance: Remote calibration, fault diagnosis, and low operational costs.
Flexible Deployment: Compatible with streetlights, buildings, and other urban infrastructure.
- Implementation Plan
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（1）Monitoring Network Design
Deployment Strategy: GIS-based layout in industrial zones, traffic hubs, residential areas, and sensitive locations (schools, hospitals) with 500m×500m grid coverage.
Parameters: Standard six pollutants (PM2.5, PM10, SO₂, NO₂, CO, O₃), optional TVOC and meteorological sensors (temperature, humidity, wind speed/direction).
（2）Technical Parameters
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Gas path |
Sampling method |
Pump suction |
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Heating and dehumidification |
Dynamic heating and dehumidification, temperature and humidity compensation algorithm |
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Particles |
Monitoring Factor |
PM1/PM2.5/PM10/TSP |
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Measurement method |
Laser scattering method |
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Measuring range |
0~10000 ug/m3 |
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Gas parameters |
Carbon Monoxide (CO) |
Detection range: 0-20ppm Indication error: ±10%F.S Response time: ≤120 seconds |
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Ozone (O3) |
Detection range: 0-500ppb Indication error: ±10%F.S Response time: ≤120 seconds |
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Sulfur Dioxide (SO2) |
Detection range: 0-500ppb Indication error: ±10%F.S Response time: ≤120 seconds |
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Nitrogen Dioxide (NO2) |
Detection range: 0-500ppb Indication error: ±10%F.S Response time: ≤120 seconds |
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Total volatile organic compounds（TVOC） |
Detection range: 0-10ppm Indication error: ±10%F.S Response time: ≤120s |
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Environmental parameters |
Wind speed |
0-70 m/s |
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wind direction |
0~359° |
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temperature |
-40℃~85℃ |
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humidity |
0-100%RH |
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Air pressure |
300-1100hPa |
（3）Software Platform
Real-Time Dashboard: Interactive maps with heatmaps and pollutant concentration trends.
Automated Alerts: SMS/email notifications for exceedance events.
Source Tracing: Pollution dispersion modeling integrated with meteorological data.
Reporting Tools: Customizable daily/monthly reports and AQI trend analysis.