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A community-led air quality sensing network that gives people a way to participate in the conversation about air quality.

Update 4/12: You can now upgrade the Air Quality Egg (including the DIY versions) with sensors for O3 ($25), VOC's ($25), radiation ($60), and particulates ($40)! Add the cost directly to your pledge (we will confirm your order after the campaign ends). See HERE for more info!

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#AirQualityEgg: A community-led air quality sensing network that gives people a way to participate in the conversation about air quality.

Where's the data? Look outside your window -- have you ever wondered what the quality of the air is out there? I mean RIGHT. OUT. THERE. 12 inches from your face. If so, you are out of luck. The air quality data collected by the government is likely sampled from far, far away and then applied to you on a regional level -- not very useful from the standpoint of trying to understand or change the local dynamics of pollution that affect you. If you're interested in joining a community of people who are going to change that, you are in the right place!

What is it?

The Air Quality Egg is a sensor system designed to allow anyone to collect very high resolution readings of NO2 and CO concentrations outside of their home.  These two gases are the most indicative elements related to urban air pollution that are sense-able by inexpensive, DIY sensors.

Community

The Air Quality Egg is developed by a community effort, born out of groups from the Internet of Things Meetups in NYC and Amsterdam.  We are designers, technologists, developers, architects, students, and artists.  Read about the history of the development of this project here and here.

The product development conversation, as well as a fair bit of the philosophical arguments, happens in our Google Group.  We also have a wiki. This video also outlines our methodology/philosophy:

How it works

1) Outdoor sensors:  A small electronic sensing system plug into the wall and sits outside your home taking regular readings.  It has an RF transmitter, which sends the data wirelessly to an Egg-shaped base station inside.

2) Egg base station: An Egg-shaped base station, which gives this project its name, receives the wirelessly transmitted data from the sensor box outside.  It then relays that data to the Internet via a wired Ethernet connection.  The Egg also acts as a User Interface, so it also has an LED light and a button.  These are configurable by applications which will be developed in the future by the community.

3) Data sent to Internet: The air quality data will be sent in real-time to Pachube, an open data service, which both stores and provides free access to the data.  The service includes embeddable graphs and the ability to generate triggers for tweets and SMS alerts (it looks something like this), as well as a robust API which allows for developers in the community to unlock the potential of this new dataset by building mashups, maps, and applications.

Where we are now

The Egg's sensor system has been prototyped and refined several times.  The current iteration which will go to production has been designed by Joe Saavedra, building on work from a previous project, Citizensensor.cc.  The wireless system has been designed by WickedDevice, who will also be managing the production of the finished Egg system.  

At the Citizen Cyberscience Summit in London in January, we were able to deploy a small number of Egg sensor boxes and saw our first data collection.  We are slowly getting a small run of prototype-level sensor boxes into the hands of beta testers (example: https://pachube.com/feeds/48307).  We are running workshops in London and Amsterdam which will have people building up their own units and bringing them home.

How we'll build it

The funding level we are seeking will allow us to achieve the necessary volumes to be able to design and tool custom hardware to bring the price into an affordable range.  

Step 1) 3-6 weeks. The current prototype design will be consolidated into a single board by Dirk Swart and Vic Aprea of WickedDevice, who have already done customized volume runs of the Nanode, the open source microcontroller board which provides the platform for the Egg. The Egg enclosure / injection molding will also be developed at this time, based on 3D print runs we've done and will iterate on. A small run of completed test units will be produced in-house to verify the compatibility of the design.

Step 2) 5 weeks. Production. The verified designs will go to the same volume manufacturer who has done previous runs of the Nanode board.  A manufacturer for the enclosure will be sourced and contracted at this time.

Step 3) 2 weeks.  Assembly/Delivery. 

Total: Up to 13 weeks. Estimated delivery: July.

What's next?

Applications: Each Egg that comes online contributes data that, in aggregate, will provide what is essentially an "air quality API". This will be a platform for web developers who want to apply this information in innovative ways via web apps, mobile apps, visualizations, interactive installations, and more. The Egg base station also has the ability to convey information through a colored light and also has a button for user feedback. These elements can be programmed and re-programmed for all kinds of interactions.

Mobile: Mobilizing sensors opens up an entire new layer of information for people. Development of a solution that incorporates benefits to the community as well as the individual gets more complicated for various reasons beyond just platform, code, and hardware, but we will work through them. 

More info:

Good article discussing the AirQualityEgg's implications for journalism by @javaun.

Press coverage of this project in Wired and Forbes.

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    155 backers

    Application beta tester. Even if you don't collect your own data, you can still benefit from applications developed by the community that uses the aggregate open data from Air Quality Eggs around the world.

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    16 backers

    Represent DIY air quality monitoring with a T-Shirt and Sticker set that we promise will not be lame. Shipping to US address included.

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    39 backers

    Custom air quality sensor shield for Arduino with ability to sense NO2, CO, temp, humidity. This will allow you to build your own sensor system with your own Arduino and participate in the community by generating data with the same sensors as everyone else. Shipping to US address included.

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    20 backers

    Air quality sensor Arduino shield + shipping costs to any non-US address.

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    52 backers

    Wired (ethernet/power to outside sensor box) air quality sensor box only, in DIY kit form (parts in a bag with tutorial). This will allow you to enjoy the reduced cost of building the sensor system yourself while having all of the necessary parts and instructions delivered to you ready to go. Generate the same data as the rest of the community with the same sensor system. Shipping to US address included.

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    34 backers

    Wired DIY sensor box + shipping costs to any non-US address.

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    329 backers

    Air Quality Egg. Fully assembled, Plug and Play, wireless air quality sensing system. Generates NO2, CO, temperature and humidity data and displays it on a web-based dashboard accessible from anywhere. Shipping to US address included.

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    147 backers

    Air Quality Egg + shipping costs to any non-US address.

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  • Pledge $250 or more
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    101 backers

    Air Quality Egg + O3, VOC, Radiation, and Dust/Particulate sensor upgrades. Shipping to US included, add $13 for international shipping.

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  • Pledge $2,500 or more
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    2 backers

    Air Quality Egg on-site workshop for 30 people. We will come to you with parts to build 30 wired air quality sensor boxes and build them with you. Travel costs are included to locations in the US and Europe.

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  • Pledge $10,000 or more
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    4 backers

    Sensor up a CITY. Let's do a big rally to kick it off. We'll come with 100 Air Quality Eggs, run a clinic, do some talks about sensing/science/community, have an exchange of ideas. Our travel is included to anywhere in US/Europe. 100 people will take home Eggs. Instant critical mass. This is a great way for corporations who want to sponsor this project to get involved, either to give back to the community or engage their own employees in the movement.

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Funding period

- (30 days)