Buying guide
Wireless Particulate Matter Transmitters
Our pick
Ambient Weather PM25 Outdoor Particulate Monitor
Match the receiver and location first: PM25 adds outdoor PM2.5 readings to its listed Ambient Weather receivers, while the GARNI 080Q and 104Q serve their named GARNI receivers for outdoor and indoor monitoring.1–5
Why this one
- Choose the Ambient Weather PM25 for outdoor PM2.5 readings with a listed compatible receiver, including the WS-2000, WS-2902C and WS-5000. Plan for monthly USB charging despite its solar panel.1
The alternatives
Other contenders
Choose the GARNI 080Q for outdoor PM2.5 readings with the GARNI 3055 Arcus, and place it where rain and snow cannot fall directly on it.23
Choose the GARNI 104Q for indoor PM2.5 and PM10 readings when your receiver is among its listed compatible stations, including the GARNI 2040 Arcus 2GEN; its display lets you check readings at the sensor.456
Buying advice
Compare the options
3 products
Compare models side by side
Choose two or three products to compare.
Models in this comparison
Every specification for these products
| Specification | Ambient Weather PM25 Outdoor Particulate Monitor | GARNI 080Q | GARNI 104Q |
|---|---|---|---|
| Fits | WS-1965, WS-2000, WS-2902C, WS-4000, WS-5000, and the OBSERVERIP Module (WS-0800-IP, WS-0900-IP, WS-1200-IP, WS-1400-IP, WS-1550-IP, WS-1600-IP, WS-5000-IP).1 | GARNI 3055 Arcus2 | GARNI 204 OneCare , meteorologické stanice GARNI 1085 Arcus, GARNI 2040 Arcus, GARNI 2040 Arcus 2GEN, GARNI 2060 Arcus, GARNI 3075 Arcus a WiFi meteo bránu GTway Plus4 |
| Measures | PM2.5 concentration levels1 | PM2,53 | PM2.5 a PM105 |
| Installation | shaded, well ventilated, non-moisture condensing area1 | nemělo být přímo vystaveno dešti nebo sněhu3 | pro vnitřní použití5 |
| Power | The solar panel is sensitive to low light but will still require monthly charging from the USB power port.1 | 2 x AA 1.2V Ni-MH rechargeable batteries (included)2 | 3 pcs 1.2V NiMH rechargeable AA batteries (pencil, included) USB adapter (USB cable included, adapter not included)6 |
| Sensor display | — | No2 | Yes6 |
| Radio band | 915 MHz7 | 868 MHz2 | 868 MHz6 |
| Radio range | — | up to 100 m in open space2 | up to 100 m in open space6 |
| Timing | 1 minute (optional AC adapter) 10 minutes (battery only)7 | 10 minutes2 | 60 s when powered by USB adapter when powered by batteries, the sensor automatically measures PM2.5 and PM10 concentrations every 10 minutes by default.6 |
| Measurement range | — | — | PM2.5 and PM10 1 to 1000 ug / m36 |
| Sensor technology | Sensirion Particle Sensor1 | — | SENSIRION, SPS series, laser6 |
How they compare
| Specification | Our pickAmbient Weather PM25 Outdoor Particulate Monitor | GARNI 080Q | GARNI 104Q |
|---|---|---|---|
| Buy | |||
| Fits | WS-1965, WS-2000, WS-2902C, WS-4000, WS-5000, and the OBSERVERIP Module (WS-0800-IP, WS-0900-IP, WS-1200-IP, WS-1400-IP, WS-1550-IP, WS-1600-IP, WS-5000-IP).1 | GARNI 3055 Arcus2 | GARNI 204 OneCare , meteorologické stanice GARNI 1085 Arcus, GARNI 2040 Arcus, GARNI 2040 Arcus 2GEN, GARNI 2060 Arcus, GARNI 3075 Arcus a WiFi meteo bránu GTway Plus4 |
| Measures | PM2.5 concentration levels1 | PM2,53 | PM2.5 a PM105 |
| Installation | shaded, well ventilated, non-moisture condensing area1 | nemělo být přímo vystaveno dešti nebo sněhu3 | pro vnitřní použití5 |
| Power | The solar panel is sensitive to low light but will still require monthly charging from the USB power port.1 | 2 x AA 1.2V Ni-MH rechargeable batteries (included)2 | 3 pcs 1.2V NiMH rechargeable AA batteries (pencil, included) USB adapter (USB cable included, adapter not included)6 |
| Sensor display | — | No2 | Yes6 |
| Radio band | 915 MHz7 | 868 MHz2 | 868 MHz6 |
| Radio range | — | up to 100 m in open space2 | up to 100 m in open space6 |
| Timing | 1 minute (optional AC adapter) 10 minutes (battery only)7 | 10 minutes2 | 60 s when powered by USB adapter when powered by batteries, the sensor automatically measures PM2.5 and PM10 concentrations every 10 minutes by default.6 |
| Measurement range | — | — | PM2.5 and PM10 1 to 1000 ug / m36 |
| Sensor technology | Sensirion Particle Sensor1 | — | SENSIRION, SPS series, laser6 |