Discover Miri
Environmental Intelligence. Built from the Ground Up.
See clearer. Breathe better. Act faster.
- Solar-powered
- Modular
- Precise
- Affordable
Modular In-situ Reporting Instrument
MIRI is a modular, solar-powered air and weather sensing system that gives you real-time, research-grade environmental data—anywhere in Africa. Built to last 10 years and run off-grid, it installs in minutes and delivers the ground truth you need to protect people, cities, and ecosystems.
Tracking over
12
environmental parameters
features
MIRI Highlights
explore
Miri Air +
Miri Weather
Start with Miri Air.
Track real-time pollution levels with research-grade accuracy—monitoring PM2.5, NO₂, CO₂, VOCs, and more from the moment it’s powered on.
Snap on Miri Weather to expand.
Effortlessly add rainfall, wind speed and direction sensing with a simple plug-and-play module built for the field.
One device. Modular intelligence.
Scale environmental insight without replacing hardware or restarting deployment.
Designed to Work with the Miri Platform.
All your data. Visualized in real time.
Forecasting. Alerts. Compliance reports.
Anywhere. Anytime.
PRODUCT Specifications
Physical Specifications
| Dimensions |
Width: 16.5 cm (6.5 in) Height: 31.8 cm (12.5 in) |
| Memory Type | Non-volatile Micro SD card |
| Data Storage | 4096 MB (more than 1,000,000 records) |
| Battery Capacity | 12000mAh Li-ion |
| Battery Life |
≥72 hours offline operation (cloudy/rainy conditions) Solar Energy Charging. |
| Operating Temperature Range |
Temperature: –20 to 100°C Humidity: 0 to 100%RH |
Communication Specifications
| Internet Downloads | SSL/TLS encrypted |
| Cellular Communication |
4G Specifications: 4G LTE-M with 2G fallback 4G Coverage: Selected Country Cellular and data hosting service provided by Miri |
| Mobile Communication |
Bluetooth v2.0 + EDR Sensitivity: -80dBm |
| GPS Communication |
Type: Integrated GPS, GLONASS and BEIDOU receiver Update: 3x Daily (automatic) and on-demand (manual) Accuracy: ±4 m, with good sky view |
Measurement Specifications
| Upload Frequency |
5 Minutes (Default) Contact Admin for more frequent reporting options. |
| Measurement Interval | 5 Min to 24Hr |
| Time Keeping | Synchronize automatically and on-demand; GPS and cellular |
| PM2.5 |
Range: 0 to 999.9μg/m³ Resolution: 0.3μm Accuracy: Max (± 15% & ±10μg/m³) |
| PM10 |
Range: 0 to 999.9μg/m³ Resolution: 0.3μm Accuracy: Max (± 15% & ±10μg/m³) |
| O3 |
Range: 0 to 9999ppb Resolution: 1ppb Accuracy: ±10ppb or ±10% |
| CH₂O |
Range: 0 to 5ppm Resolution: 0.01ppm Accuracy: ±1% |
| CO₂ |
Range: 400ppm to 5000ppm Resolution: 1ppm Accuracy: ±(50ppm + 5% of Reading) |
| CO |
Range: 0 to 1000ppm Resolution: 1ppm Accuracy: ≤1ppm |
| SO₂ |
Range: 0 to 20ppm Resolution: 0.1ppm Accuracy: ±3% F.S. |
| CH₄ |
Range: 0 to 100 %LEL Resolution: 1% LEL Accuracy: ±3% F.S. |
| Noise |
Range: 30 to 120 dBA (20 to 12.5KHz) Resolution: 0.01dB Accuracy: ± 0.5dB |
| Relative Humidity (RH) |
Range: 0 to 100% RH Resolution: 0.1% RH Accuracy: ±2%RH (Max ±5%RH) |
| Solar Radiation |
Range: 0 to 1,750 W/m² Resolution: 1 W/m² Accuracy: ±5% of measurement typical |
| Air Temperature |
Range: –40 to 110 °C Resolution: 0.1 °C Accuracy: ±0.5°C at 25 °C |
| Barometric Pressure |
Range: 300hPa to 1100hPa Resolution: 0.01hPa Accuracy: ±0.15hPa |
| Wind Speed |
Range: 0 to 75 m/s Resolution: 0.1m/s Accuracy: ±3% |
| Precipitation |
Range: 0 to 250 mm/h Resolution: 0.2 mm Accuracy: ±2% |
| Soil Moisture |
Range: 0 to 100%RH Resolution: 0.2 mm Accuracy: ±2% |
| Soil Temperature |
Range: -40℃ to 80℃ Resolution: 0.1°C Accuracy: ±0.4°C |
resources
Product Manuals and Technical Guides
Catalogue
A complete overview of our products, features, and deployment options.
Miri Air Manual
Step-by-step guide for installing, operating, and maintaining your Miri Air device.
Miri Weather Manual
Step-by-step guide for installing, operating, and maintaining your Miri Weather device.
use cases
Built for Governments. Trusted by Institutions. Ready for You.
Whether you’re managing city emissions, researching climate change, or supporting farmers, Miri gives you the power to act on truth—not assumptions.