[datameet] Re: Shapefiles of Ward Maps for the following Cities

[Rohith John]

Does anyone have a ward wise shape file of Indore.




On Tuesday, September 11, 2018 at 4:33:53 PM UTC+5:30, Bharath Guniganti 
wrote:
>
> Hi,
>
> I need the shapefiles of the following cities with ward maps. Let me know 
> if anyone has shapefiles for any of these cities.
>
> Ghaziabad
> Indore
> Kanpur
> Kochi
> Kolkata
> Kozhikode
> Lucknow
> Patna
> Surat
>
> Thanks,
> Bharath
>

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Re: [datameet] Request for Road Traffic Density data 2019-2020

[Abhishek]

Hey Divyansh,

I might be able give you historical data for public buses in Delhi and
Bangalore using which you can estimate the density.

We (Smart Cities Mission) are trying hard to open such datasets to the
community but it will take some time.

Just send me a brief about your project and the data license you would need
for the same.

Cheers,
-Abhishek Upperwal
Fellow, MoHUA

On Thu, 18 Jun 2020, 10:29 pm Divyansh Deshmukh, 
wrote:

> Hello,
>
> I, Divyansh Deshmukh, am a research student in IIIT Hyderabad under Dr.
> Sachin Chaudhari (SPCRC Lab, IIIT Hyderabad). We here, at IIIT Hyderabad
> are doing a research project on air pollution and are in need for the road
> traffic density data.
>
> *Data required - Traffic density data from 01/01/2019 to 14/06/2020.
> Cities - Hyderabad, Bangalore and Delhi. Hourly average preferable. *
>
> The data required is extremely important for us for betterment and
> development of the cities. It would be really helpful if the data required
> is provided.
>
> Kindly consider my request.
>
> Looking forward to hearing from you.
>
> Thanks & Regards
> Divyansh Deshmukh
>
> --
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> 
> .
>

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Re: [datameet] Request for Road Traffic Density data 2019-2020

[Nikhil VJ]

Hi Divyansh,

Some steering questions seeing that this is a research thing:

- What are the methods in which such data can be recorded and collected?

- What are legalities surrounding each of these methods?

- What kinds of entities have capability to collect such data?

- Are there any entities under above list that are known to be doing this
collection?

- Are there any entities from above list that might be able to share this
collected data with you?

- If none of above are directly openly sharing, what do you need to do to
get them to share it with you?

- If above questions could not be answered satisfactorily, then a more
basic question: Does the data exist at all in the way it's originally
required and under terms that you can obtain it?

- If not, then would it be worth to pivot from locating source of needed
data to creating / collating / collecting needed data?

- What would one need to do it? Technology, resources, time, know-how?

- Are there others looking for the same / similar things as you are, and
are there opportunities to form alliances for a common goal?

- If so, then what is it that you can bring to the table?

- Is it better to initiate such an effort, or join into one that is already
ongoing?

Myself I've got no clue, but this might help you take steps towards your
goal. Oftentimes I've observed that the thing needed comes into existence
only after questions for it are asked and then gears are switched from
expecting a result to participating in forming it. All the best!

--
Cheers,
Nikhil VJ
https://nikhilvj.co.in


On Thu, Jun 18, 2020 at 10:29 PM Divyansh Deshmukh 
wrote:

> Hello,
>
> I, Divyansh Deshmukh, am a research student in IIIT Hyderabad under Dr.
> Sachin Chaudhari (SPCRC Lab, IIIT Hyderabad). We here, at IIIT Hyderabad
> are doing a research project on air pollution and are in need for the road
> traffic density data.
>
> *Data required - Traffic density data from 01/01/2019 to 14/06/2020.
> Cities - Hyderabad, Bangalore and Delhi. Hourly average preferable. *
>
> The data required is extremely important for us for betterment and
> development of the cities. It would be really helpful if the data required
> is provided.
>
> Kindly consider my request.
>
> Looking forward to hearing from you.
>
> Thanks & Regards
> Divyansh Deshmukh
>
> --
> Datameet is a community of Data Science enthusiasts in India. Know more
> about us by visiting http://datameet.org
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> 
> .
>

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Re: [datameet] CPCB AQI All Parameters Data

[Sarath Guttikunda]

Dear All,

Good evening.

Here is our assessment of air quality during the 4 lockdown periods.
http://urbanemissions.info/blog-pieces/india-airquality-covid19/
City averages through the periods for all the pollutants is downloadable.

If you are looking for raw monitoring data, main site is this
https://app.cpcbccr.com/ccr/#/caaqm-dashboard-all/caaqm-landing

Use the advanced search option to download the data by city and station.
This is a cumbersome process and there are some limitations on the number
of days you can request in a single search, depending on the time step you
choose (1hr or 2hr averages can be longer periods as compared to 15 mins
average). Best is 15 mins, which allows for cleaning the data; otherwise if
you ask for a day average, the program will give you a value averaging
everything it has, which includes negative numbers and some unexplainable
numbers like 999's.

This is Air Quality (AQ) data and NOT Air Quality Index (AQI)

Alternatively, you can access the official data at Openaq.org, which stores
last 90 days of data to access via API

One way is to search by city name
https://api.openaq.org/v1/measurements?city=Ahmedabad=pm25_from=2020-04-01_to=2020-04-10=csv
Ahmedabad has only one site, as of 2020.
The Second way is to search by radius method (in km), which will give
stations in and around Ahmedabad, including Gandhi Nagar.
https://api.openaq.org/v1/measurements?coordinates=23,72.6=3_from=2020-04-01_to=2020-04-10=pm25=csv

All the openaq.org data (up until the last hour) is all stored on aws s3
buckets
https://openaq-fetches.s3.amazonaws.com/index.html (click on real time, to
access the global csv files)
Here is an instructional post -
https://medium.com/@openaq/how-in-the-world-do-you-access-air-quality-data-older-than-90-days-on-the-openaq-platform-8562df519ecd

There is also an instructional video (with JS language), if you want to dig
deeper - https://youtu.be/Tiot877orkU

With best wishes,
Sarath

--
*Dr. Sarath Guttikunda*

*http://www.urbanemissions.info *

*http://www.indiaairquality.info *


On Sat, Jun 27, 2020 at 6:46 PM Saketha Ramanujam <
saketh.ramanuja...@gmail.com> wrote:

> Hello all,
>
>
> I've managed to acquire 24 Hr average AQI data for dates between
> 01-01-2020 and 15-06-2020 from 227 monitoring stations out of 231 across
> India as listed on
>
> https://app.cpcbccr.com/ccr/#/caaqm-dashboard-all/caaqm-landing/caaqm-comparison-data
>  and
> have published them here  .
>
> I'm currently looking at trends of various parameters before and during
> various phases of lockdown. Posting this because these datasets might be of
> use to those interested.
>
> I'm also working on tweaking around with a wrapper over the original cpcb
> api to make it easy for the datasets to be downloaded.
>
>
> Thanks,
> Saketha Ramanujam
>
> --
> Datameet is a community of Data Science enthusiasts in India. Know more
> about us by visiting http://datameet.org
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> 
> .
>

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[datameet] CPCB AQI All Parameters Data

[Saketha Ramanujam]

Hello all,


I've managed to acquire 24 Hr average AQI data for dates between 01-01-2020 
and 15-06-2020 from 227 monitoring stations out of 231 across India as 
listed on  
https://app.cpcbccr.com/ccr/#/caaqm-dashboard-all/caaqm-landing/caaqm-comparison-data
 and 
have published them here  .

I'm currently looking at trends of various parameters before and during 
various phases of lockdown. Posting this because these datasets might be of 
use to those interested.

I'm also working on tweaking around with a wrapper over the original cpcb 
api to make it easy for the datasets to be downloaded. 


Thanks,
Saketha Ramanujam

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[datameet] CPCB AQI All Parameters Data

[Saketha Ramanujam]

Hello all,


I've managed to acquire AQI data from 227 monitoring stations out of 231 
across India as listed on  
https://app.cpcbccr.com/ccr/#/caaqm-dashboard-all/caaqm-landing/caaqm-comparison-data
 and 
have published them here  .

I'm currently looking at trends of various parameters before and during 
various phases of lockdown. Posting this because these datasets might be of 
use to those interested.


Thanks,
Saketha Ramanujam

-- 
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