
Device profile · Specifications & compatibility
Apollo MSR-2 with CO2
Apollo Automation · Air Quality Monitors · Model MSR-2
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- Apollo MSR-2 with CO2 lists CO₂; Home Assistant; Temperature Alerts.
- Verify whether the value comes from a direct CO₂ sensor or an estimate; the field alone does not establish the measurement method.
Browse more from Apollo Automation or explore all air quality monitors in our catalog.
- Recorded year
- 2024
- Recorded warranty
- ?
- Dimensions
- ?
- Weight
- ?
The details that shape your choice
Apollo MSR-2 with CO2 Quick Features
Start with these specifications, then check the full details and conditions below.
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From specification to decision
Apollo MSR-2 with CO2: Capabilities And Limitations
Based on listed specifications, not hands-on testing. Manufacturer sources are linked where checked.
What it offers
A Home Assistant integration is listed, providing an integration path to verify for the exact model. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities.
View Home Assistant details →Temperature alerts are recorded as an automation or notification option. Check configurable thresholds, notification routes and any hub requirement.
View Temperature Alerts details →
What to consider
Matter is listed as unsupported; check another documented integration if Matter is essential to your setup.
View Matter details →Apple Home support is listed as unavailable; do not assume the device appears directly in Apple Home.
View Apple Home details →A screen is listed as unavailable; check how information is accessed instead.
View Screen details →
Still needs verification
Confirm these details if they matter to your setup.
Questions About Apollo MSR-2 with CO2
What is the CO₂ capability of Apollo MSR-2 with CO2?
The optional SCD-40 sensor measures CO₂. This applies only to the MSR-2 ordered with the CO₂ option; the base configuration does not include that sensor. Verify whether the value comes from a direct CO₂ sensor or an estimate; the field alone does not establish the measurement method.
Source: Apollo MSR-2 with CO2 manufacturer product page · Checked 2026-10-04
View CO₂ specifications →Does Apollo MSR-2 with CO2 support a PM2.5 measurement?
No, according to the listed specifications. Check measurement units, sensor specifications and calibration; a recorded sensor flag does not establish accuracy.
View PM2.5 specifications →Does Apollo MSR-2 with CO2 support a TVOC measurement?
No, according to the listed specifications. Check the sensor method and how the reading is reported; do not equate a TVOC estimate with a CO₂ measurement.
View TVOC specifications →Does Apollo MSR-2 with CO2 support Matter?
No, according to the listed specifications. Verify the exact device type, firmware and features exposed in your chosen platform. Matter support is not proof of feature parity.
View Matter specifications →Does Apollo MSR-2 with CO2 work with Home Assistant?
Yes, according to the listed specifications. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities.
View Home Assistant specifications →Explore the full picture
Apollo MSR-2 with CO2 Specifications
Recorded catalog values. Expand notes for qualifications; unknown values are not treated as missing features.
1 of 46 fields matched to manufacturer documentation. Source checks apply only to the named model and stated scope. Other fields remain catalog data. How we verify specifications →
Sensors17 fields
| TVOC | No |
|---|---|
| Pm01 | No |
| Pm03 | No |
| Pm1 | No |
| PM2.5 | No |
| Pm10 | No |
| Co | No |
| CO₂ | YesManufacturer sourceThe optional SCD-40 sensor measures CO₂. Apollo MSR-2 with CO2 manufacturer product page →
This applies only to the MSR-2 ordered with the CO₂ option; the base configuration does not include that sensor. Document check only; not a hands-on test or verification of every regional or firmware variant. |
| Nox | No |
| Radon | No |
| Temperature | Yes |
| Humidity | No |
| Atmospheric Pressure | Yes |
| Ambient Light | Yes |
| Uv | YesDetails & conditionsUse the UV sensor to let you know how much sun is coming through the window. |
| Occupancy | Yes |
| Ambient Noise | No |
Alerts4 fields
| Temperature Alerts | Yes |
|---|---|
| Humidity Alerts | No |
| Air Quality Alerts | Yes |
| Low Battery Alerts | Not applicable / unspecified |
Connectivity8 fields
| 2.4 GHz Wi-Fi | Yes |
|---|---|
| 5 GHz Wi-Fi | No |
| Ethernet | No |
| Bluetooth | No |
| Z Wave | No |
| Zigbee | No |
| Thread | No |
| Other | No |
Display6 fields
| Screen | No |
|---|---|
| Screen Type | Not applicable / unspecified |
| Color Screen | Not applicable / unspecified |
| Touch Screen | Not applicable / unspecified |
| Screen Size | Not applicable / unspecified |
| Screen Resolution | Not applicable / unspecified |
Features2 fields
| Automations | Yes |
|---|---|
| History Records | Yes |
Integrations6 fields
| Google Home | No |
|---|---|
| Alexa | NoDetails & conditionsApollo ships ESPHome firmware aimed at Home Assistant and publishes no Alexa skill |
| Apple Home | No |
| SmartThings | No |
| Home Assistant | Yes |
| Matter | No |
Power3 fields
| Wired | USB-C |
|---|---|
| Battery Type | Not applicable / unspecified |
| Battery Life | Not applicable / unspecified |
How this device compares
Apollo MSR-2 with CO2 vs Other Similar Models
Statistical context from 32 air quality monitors in this catalog. These figures describe our recorded data, not independent measurements.
Recorded feature coverage
Uv: 1 of 32 known answers are Yes
Sensors: 3% among explicit Yes/No answers; 0 of 32 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
Occupancy: 2 of 32 known answers are Yes
Sensors: 6% among explicit Yes/No answers; 0 of 32 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
Ambient Light: 3 of 32 known answers are Yes
Sensors: 9% among explicit Yes/No answers; 0 of 32 devices have no resolved answer. Check the specifications for this model’s conditions.
Brand representation in this directory
1 of 32 models are from Apollo Automation
Counts air quality monitors listed here, not sales or market share. Catalog inclusion does not imply a recommendation.
Side-by-side specification comparison
Compare Apollo MSR-2 with CO2 vs Similar Air Quality Monitors
See how Apollo MSR-2 with CO2 stacks up against other air quality monitors in this catalog. Compare specifications, compatibility and pricing.
Catalog specifications have not all been independently checked against manufacturer sources. Read our data and evidence methodology.