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.

All specifications →
CO₂
Yes
PM2.5
No
TVOC
No
Air Quality Alerts
Yes
Temperature Alerts
Yes
2.4 GHz Wi-Fi
Yes

Make the differences clear

Which device fits your setup?

Choose another model to compare features, connections and requirements side by side.

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

About our sources and comparison method →

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 →

46 of 46 specifications · 7 sections

Sensors17 fields
Sensors specifications
TVOCNo
Pm01No
Pm03No
Pm1No
PM2.5No
Pm10No
CoNo
CO₂Yes
Manufacturer source

The optional SCD-40 sensor measures CO₂.

Apollo MSR-2 with CO2 manufacturer product page →
Source section
Sensor options and component list
Model
Apollo MSR-2 with CO2
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

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.

NoxNo
RadonNo
TemperatureYes
HumidityNo
Atmospheric PressureYes
Ambient LightYes
UvYes
Details & conditions

Use the UV sensor to let you know how much sun is coming through the window.

OccupancyYes
Ambient NoiseNo
Alerts4 fields
Alerts specifications
Temperature AlertsYes
Humidity AlertsNo
Air Quality AlertsYes
Low Battery AlertsNot applicable / unspecified
Connectivity8 fields
Connectivity specifications
2.4 GHz Wi-FiYes
5 GHz Wi-FiNo
EthernetNo
BluetoothNo
Z WaveNo
ZigbeeNo
ThreadNo
OtherNo
Display6 fields
Display specifications
ScreenNo
Screen TypeNot applicable / unspecified
Color ScreenNot applicable / unspecified
Touch ScreenNot applicable / unspecified
Screen SizeNot applicable / unspecified
Screen ResolutionNot applicable / unspecified
Features2 fields
Features specifications
AutomationsYes
History RecordsYes
Integrations6 fields
Integrations specifications
Google HomeNo
AlexaNo
Details & conditions

Apollo ships ESPHome firmware aimed at Home Assistant and publishes no Alexa skill

Apple HomeNo
SmartThingsNo
Home AssistantYes
MatterNo
Power3 fields
Power specifications
WiredUSB-C
Battery TypeNot applicable / unspecified
Battery LifeNot 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.

What Should You Verify Before Buying Apollo MSR-2 with CO2?

These checks describe air quality monitors requirements. Confirm each one against the exact model’s current manufacturer documentation and your installation.

  1. List the actual sensors and distinguish measured values from estimates.
  2. Check measurement units, calibration and stated accuracy.
  3. Verify data history, export and alert options.
  4. Confirm which readings your automation platform can access.

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.