What are the best coding classes in Blanchardstown?
Blanchardstown learners take every lesson live with a teacher over video, in a small group matched by level or on their own, generally twice a week and at any age from six to sixty-seven. Nobody travels anywhere in Dublin 15 to attend. A first lesson is given free, and from then on the monthly fee is USD 100 for a place in a group or USD 150 for lessons one to one.
Beside the M50 and N3 interchange, the Environmental Protection Agency runs a monitoring site that records nitrogen dioxide every hour and publishes the readings online. Take its 2025 readings and a simple question, whether the air stayed within the limit, turns out to have several answers. The same numbers sit inside today's rules and outside two of the rules due in 2030, and the yearly average most people reach for first is one the rules would not accept, because a whole season of readings is missing. This page shows a learner how to write a limit as the rule it really is, and how to check whether the data can answer the question at all.
Facts last verified 19 September 2026. Teaching is online; no Blanchardstown branch is claimed.
The course follows the learner's age and interests, and the teacher checks the level in the free opening lesson.

Blocks and rules: a game that only lets a character pass when three conditions all hold.
See the syllabus
Python with lists of readings, averages and simple if-rules that count how often a line is crossed.
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Hourly sensor data in Python: grouping by day and year, coverage checks and rules as functions.
See the syllabus
For adults who report against targets or thresholds and need the window and the data coverage stated.
See the syllabusBrowse the course atlas for more than one hundred options and use the coding roadmap to check prerequisites.
The four we are known for
These run underneath everything above. Every one is live and online, placed by ability rather than by age, and the first class is free.

Python, web and AI projects where the learner still owns the thinking.
See the syllabus
Automate the work you already do, then let AI carry part of it.
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Train a model, read what it learned, and be able to say why it is wrong.
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Run AI coding agents on real work without losing control of the codebase.
See the syllabusNitrogen dioxide at the EPA's Blanchardstown site: the provisional readings for 2025 published on airquality.ie, in micrograms per cubic metre. Each rule is written out with its threshold, its time window and the number of times it may be passed.
| Rule | Threshold and window | In the 2025 readings |
|---|---|---|
| Current hourly limit | Over 200 in an hour, 18 times allowed | 0 hours |
| Current annual limit | Year average over 40 | 24.6, from the hours available |
| 2030 hourly limit | Over 200 in an hour, 3 times allowed | 0 hours |
| 2030 daily limit | Day average over 50, 18 times allowed | 20 days |
| 2030 annual limit | Year average over 20 | 24.6, from the hours available |
The highest single hour in 2025 read 126.2. No hour went above 200, so neither hourly rule, with 18 passes allowed now or 3 from 2030, is troubled by these readings.
Of 285 days with at least 18 hourly readings, 20 averaged above 50, the highest 64.7 on 6 February. The 2030 daily rule allows 18 such days a year. A count like this can only grow as missing days are filled in.
The hours available average 24.6, under the current 40 and over the 2030 figure of 20. But the average rests on 6,862 of the year's 8,760 hours, 78.3 percent, and the rules ask for at least 85.
The 2024 air quality directive sets a minimum data coverage of 85 percent for a nitrogen dioxide annual mean from fixed measurements, and says that coverage must hold across parts of the year, by quarter, month or weekday, so that lost data cannot skew the result. Blanchardstown's 2025 readings cover 99.5, 100.0 and 99.8 percent of the first three quarters and 14.7 percent of the last: the published series stops on 14 October 2025 and resumes on 5 February 2026, a gap of 2,728 hours. The missing weeks are colder ones, and in the months that were measured the cooler months ran higher, January at 29.9 and April at 35.2 against June at 15.4, so the average that can be computed is more likely too low than too high. It takes one line of code to calculate it. Whether it counts as an annual mean under the rules is a separate test, and these readings do not pass it.
This is a different problem from a survey question left blank. Nobody declined to answer; an instrument's record has a hole in it, and the rules for handling that were written down before the data arrived. The learner's program reads the hourly series, keeps only hours that carry a value, and groups them three ways: by hour for the hourly rules; by day for the daily rule, keeping only days with at least 18 hourly values, as the directive requires; and by year, with a coverage check by quarter before any annual figure is printed. Each rule becomes one small function taking a threshold, a window and an allowed count, and returning the result together with the coverage behind it. Moving from today's rules to the 2030 ones is then a change of three numbers, not a rewrite.
The site says its data "has been collected automatically from the monitoring sites and has not yet been validated", may be revised after validation, and that "Sharp spikes should be treated cautiously". Official assessments use validated data.
The limits the EPA lists now are 200 for an hour, passed no more than 18 times a calendar year, and 40 for the year. Directive (EU) 2024/2881 sets, for 1 January 2030, 200 for an hour no more than 3 times, 50 for a day no more than 18 times, and 20 for the year.
The same directive says an assessment goes ahead whatever the coverage if the data allow a conclusive answer, and that short-term exceedances found in a partial year may still count. Missing data can hide a problem; it cannot prove there is none.
Facts that the places themselves publish, each checked on its own site, with an eircode printed only where the owner gives one.
| Place | What its own site says |
|---|---|
| TU Dublin Blanchardstown | Ten buildings, over 22,000 square metres, Blanchardstown Road North |
| National Aquatic Centre | Ten-lane 50-metre pool, 2,500 seats, D15 EPN4 |
| EPA monitoring site | Near the M50 and N3 interchange, nitrogen oxides and particles |
| Clonsilla station | Clonsilla Road, Dublin 15, D15 YA36 |
| Draíocht | Titled Draíocht Blanchardstown, runs a D15 Youth Theatre |
TU Dublin says its Blanchardstown campus, in the IDA College Business and Technology Park, serves the greater Blanchardstown area and the north and west of Dublin city and county, and students from Meath, Kildare, Cavan and Louth.
The Sport Ireland National Aquatic Centre on Snugborough Road describes a ten-lane, 50-metre by 25-metre pool with two moveable floors so it can be set up for other uses, and a separate 25-metre diving pool.
Fingal County Council calls Blanchardstown "the most populous and urban area of the county" and its shopping centre "one of the largest retail areas in Ireland". Those are the council's words, not a measured figure.
Pages we could not read
Connolly Hospital's HSE pages, the council's Blanchardstown library page and Draíocht's contact page all returned "not found" when checked on 19 September 2026, so this page prints no address or details for them rather than borrowing one from somewhere less reliable.
Two lessons a week is the usual pattern, each one taught live by a teacher from its first minute to its last.
Younger learners start with block code and simple rules: a door that opens only when a key is held and a switch is on, which is the same logic as a limit with conditions.
Teenagers move to Python, websites, AI projects and data work with real published series like the hourly readings on this page.
Adults can begin with no experience at all; the first lesson settles where they start and which course follows.
The readings and the limits are quoted from the EPA and the directive as published; the counts, averages and coverage figures are our own arithmetic on the provisional readings, done on 19 September 2026. The campus, the aquatic centre, the station, the arts centre and the council are quoted from their own websites.
Ages here are a rough guide only; the first lesson finds the right rung for each learner.
Block-coded games where something happens only when every condition holds.
Coding for KidsScratch Coding for KidsPython that counts how many values in a list pass a line, then averages them.
Python and AI for KidsMaths Through CodingGrouping sensor data by hour, day and year, and refusing to report an average the data cannot support.
Data Science for TeensPython for TeensThresholds, windows and allowed counts written into code, with coverage stated beside every figure.
Python Automation CourseData Analysis CourseIt will usually average the numbers and compare them with one figure.
Hand an AI assistant the 2025 readings and ask whether they were within the limit, and it will often average them, find 24.6, compare that with 40 and say yes. Every step is arithmetic done correctly. The answer still skips the daily rule due in 2030, the allowed counts, and the fact that the average rests on too little of the year to count.
Once the rule functions are written, the learner asks the assistant which limit it used and from which year, what time window that limit applies to, how many passes it allows, and what share of the year the data cover. An answer that cannot name all four is not yet an answer.
Averaging a column takes one line. Knowing which rule the question is really about is the skill. The longer argument is in why learning to code still repays the hours.
The details.
Each lesson is taught in real time by a teacher who follows every learner's work on screen.
Groups of five to ten learners at one level, who may be in Dublin 15, elsewhere in Ireland or overseas.
Around eight lessons a month, on two regular days fixed at the start.
Mid-terms, holidays and exam weeks are allowed for in the plan from day one.
A laptop or desktop with a keyboard, a headset or speakers and microphone, and a connection that carries video.
One-to-one lessons for a learner who is well ahead, needs a slower pace, or has hours no group shares.
Online, never on site
We have no centre in Blanchardstown, in Fingal or elsewhere in Ireland. Every lesson happens over video, so a learner in Clonsilla or Mulhuddart has exactly the same class as one anywhere else.
In full.
A free first lesson, with the learner's level checked.
A monthly group place, five to ten learners at one stage, around eight live lessons.
Monthly one-to-one lessons on the same pattern.
Families living outside India pay the same US dollar fee each month, wherever they are. The first lesson places no obligation on anyone, charges begin when the course begins, and the pricing page covers holidays, missed lessons and changes between group and private teaching.
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Tell us the learner's age and what interests them, and the teacher will build the first hour around that. It might finish with a game, a first program, or a rule written in code and tested on real readings.
What families in Dublin 15 ask most often.
No. All teaching is live over video and we have no premises in Ireland. A learner needs a computer with a keyboard, working sound and a steady connection, and the phone number on this page is our number in India.
Testing the 2025 hourly nitrogen dioxide readings from the EPA's Blanchardstown site against five rules, current and 2030, each with its own threshold, window and allowed count. The same readings give three different answers, and the annual average fails the rules' own coverage test.
This page does not say, and neither should anyone working from the provisional readings. The EPA assesses compliance by zone using validated data, and the 2030 limits apply from 1 January 2030. The project is about what the published readings can and cannot support.
Because we only print figures that the place or its institutions publish for it. District facts here come from named sources such as TU Dublin, the National Aquatic Centre, the EPA, Irish Rail and Fingal County Council.
Weekday afternoons once school finishes, weekday evenings and weekend daytimes. Times are fixed in Irish time; our teachers are in India, which is four and a half hours ahead in Irish summer time and five and a half in winter, and we only offer slots that work for both.
Yes, at any level up to the age of sixty-seven. After the first lesson an adult can choose a small same-level group or private lessons.
Only by coincidence. Learners are grouped by level, so classmates may come from Dublin 15, from other parts of Ireland or from abroad.
The first lesson is free. After that a group place is USD 100 a month for about eight live lessons, two a week, with five to ten learners, and one-to-one lessons on the same schedule are USD 150 a month. Nothing is paid before the plan is agreed.
Five to ten learners, grouped by level, pace and aim rather than by age or area. If no group fits at a workable time, lessons are one to one.
The Fingal page covers the council area around Blanchardstown, the Dublin page maps the city, and the north of Fingal has its own town pages for Swords and Malahide. The data science course page goes further with real data, and the Ireland hub lists the rest.