Smog becomes a legal issue before it becomes a public emergency.
The relevant duties exist throughout the year, not only when pollution becomes visible.
Imagine a school beside a road where the air repeatedly exceeds the applicable pollution standard. The readings establish a problem. What must the legal claim establish next?
Who had a duty to act, and what did that duty require?
The law already assigns work: control emissions, assess covered projects, monitor air, explain regulatory decisions and restrain activities causing adverse environmental effects.
A claimant must connect the harm to a right, a duty, a responsible institution and evidence of failure. Serious pollution alone does not answer all four questions.13
The remedy then needs to say who must act, by when and how the result will be checked. The school is an illustration, not a reported case.
Five questions turn a broad public concern into a legally reviewable case.
- 01RightWhat does the Constitution protect?
- 02RuleWhat standard or duty applies?
- 03RecordWhat does the evidence show?
- 04InstitutionWho had to decide or act?
- 05RemedyWhat lawful order fits the failure?
Why the sequence matters: a right without an identified duty remains abstract. A statutory duty without evidence does not establish breach. Evidence without the correct forum may not produce an effective remedy.
The environmental right is now written into the Constitution.
The Constitution explains why environmental harm matters. Legislation and public institutions determine how the duty is performed.
Article 9A gives every person a right to a clean, healthy and sustainable environment. The Twenty-sixth Amendment inserted it in October 2024.13
Articles 9 and 14 still protect life and dignity. Earlier environmental cases explain how those protections developed. They are no longer the only constitutional wording available.
Before Article 9A: what did “life” protect?
In Shehla Zia v WAPDA, residents challenged a grid station near their homes. The scientific evidence about electromagnetic fields was uncertain.2
The Supreme Court held that life means more than bare existence. The conditions needed for dignified living also matter.
Its approach was precautionary: potentially serious harm should not be ignored simply because science cannot yet answer every question.
The limit: this was a grid-station case, not a judgment fixing an air-pollution limit. Precaution still needs evidence, reasons, proportion and attention to other lawful interests.
The law divides responsibility across rights, rules and institutions.
Each layer does a different job. A coherent claim keeps those jobs distinct.
One problem. Three distinct legal functions.
Read each layer’s role and limit together.
Life, dignity and the express environmental right establish constitutional protection.
They allow a court to examine whether public inaction has impaired fundamental rights.
Limit of this layerThe right does not identify the monitor, the emission standard, the inspection record or the first statutory forum.
The statute supplies standards, powers and procedures.
It regulates emissions, environmental assessment, vehicle pollution, protection orders, Tribunal complaints and appeals.
Limit of this layerThe text of a statute does not prove that a breach occurred or that the responsible agency failed to act.
A public body must measure, decide, explain and verify.
The provincial agency controls local pollution. Federal climate institutions coordinate policy, implementation, reporting and national commitments.
Limit of this layerAn institution can exist in law while remaining ineffective in practice. That gap must be proved, not assumed.
The sequence: the Constitution establishes protection, legislation assigns duties and powers, and an institution must perform them.
A polluting source: look to the environmental regulator.
The Punjab Environmental Protection Act links excessive emissions to standards. It also regulates vehicle pollution and requires assessment before covered projects proceed.3
An environmental protection order can require action where an act, omission or emission violates the Act or is likely to cause an adverse environmental effect.
This is Punjab’s framework. A claim elsewhere must use the environmental law, rules and forum that apply there.
A missing national programme: identify the federal duty.
The Pakistan Climate Change Act deals with policy, coordination, implementation, reporting, research and national commitments. It does not turn every smoking chimney into the same kind of federal claim.4
The Council oversees implementation and adaptation and mitigation policy. Sections 3 and 4 require it to meet at least twice each year.
The Authority, required by section 5, performs operational work. Section 8(1)(g), (l) and (t) assigns concrete outputs:
- A national climate report.
- A greenhouse-gas registry and database.
- Regularly published and updated climate information.
A greenhouse-gas inventory is not a local air-quality reading. Ask which pollutant must be measured, and which institution must measure it.4
Punjab’s 2023 smog rules add duties for particular sources of pollution. Official standards and monitoring initiatives provide the measurement framework.91012
A clean-air claim depends on a disciplined record.
Courts can review standards, measurements, regulatory omissions and reasoned decisions.
Return to the school. A high reading does not, by itself, prove that one nearby factory caused all the pollution.
Vehicles, industry, brick kilns, dust, burning and weather can combine. That makes attribution harder. It does not remove the duty to monitor and regulate.
Match the alleged failure to the section.
- Section 11: emissions exceeding the applicable standard.
- Section 12: assessment and approval before a covered project begins construction or operation. Environmental impact assessment review includes public participation.
- Section 15: vehicle pollution.
- Section 16: environmental protection orders, including preventive and corrective measures. After noncompliance, the Agency can carry out remedial work and recover costs.
For each power, establish what triggers it and what fair procedure requires. The existence of a power does not prove that every use of it would be lawful.3
A wider claim needs a wider record: monitoring locations and methods, standards, inspections, enforcement statistics, project approvals, budgets and correspondence showing notice and inaction.
A promise is not proof of compliance. The documents below answer different questions.
What turns public concern into a reviewable record?
The remedy must match the legal failure.
A single-source violation, an unlawful refusal and systemic nonperformance require different routes.
Start with the legal failure, then choose the forum.
Three different failures call for different records and remedies.
A source exceeds a standard
Monitoring result, applicable standard, inspection record and source identification.
Provincial Agency, then the statutory Tribunal or appeal route where applicable.
Do not turn an ordinary compliance dispute into a constitutional petition merely by adding rights language.
The regulator will not use a mandatory power
The statutory duty, notice to the authority, its refusal or silence, and the practical consequence.
The available statutory remedy first, unless it is inadequate for the pleaded public-law failure.
The court should require lawful performance. It should not become the permanent regulator.
The failure is systemic
Monitoring gaps, enforcement statistics, repeated nonperformance, budgets, policies, correspondence and missing reports.
Constitutional review may become appropriate where mandatory duties or fundamental rights are persistently impaired.
Systemic relief needs dates, named institutions, measurable returns and an exit from continuing supervision.
Editorial synthesis: procedure is part of legal coherence. The same facts can require a different route depending on the duty, decision and remedy under challenge.
Article 199 is not a decorative label.
Constitutional review becomes especially important where a public authority refuses a mandatory duty, acts without lawful authority, impairs fundamental rights, or where the statutory route cannot answer a systemic failure. It should not casually replace the specialist forum in an ordinary emissions dispute.
Three procedures. Three different starting points.
The Punjab Act uses a thirty-day period in three distinct places. They are not interchangeable.3
- Before a Tribunal complaint: an aggrieved complainant must give the Agency at least thirty days’ notice of the alleged breach and intended complaint. Section 21.
- Against an Agency order or direction: section 22 provides a thirty-day appeal.
- Against a final Tribunal order or sentence: section 23 provides a thirty-day appeal to the High Court.
Identify the decision or failure being challenged before choosing the route.
What would a useful order say?
Measure and disclose the problem. Identify the breach. Use the lawful power. Hear the affected party. Set a date. Require a compliance report. Verify the result.
For the school in our example, the practical question is not only whether clean air is a right. It is what the responsible body must now do, and how anyone will know it has done it.
What the law can require now.
Performance, reasons and verifiable compliance.
Shehla Zia developed environmental protection through life and dignity; Article 9A now states the environmental right expressly. Environmental statutes supplied standards, institutions and powers. Later cases showed how courts can respond to delay, ecological risk, noncompliance and institutional absence.
The unresolved question is administrative performance. Clean-air law becomes real when a standard is measured, a breach produces a reasoned response, an institution owns the next step, and the public can verify what happened.
Rights establish the obligation. Statutes assign the work. Evidence and procedure make compliance reviewable.
The legal basis for each major claim.
Legislation, judgments and the environmental materials supporting the analysis.
- 1Constitution of the Islamic Republic of PakistanOpen source ↗
National Assembly of Pakistan
- 2Shehla Zia and Others v WAPDA, PLD 1994 SC 693Open source ↗
Asian Development Bank Law and Policy Reform Program
- 3Punjab Environmental Protection Act, 1997, as amendedOpen source ↗
Environment Protection Department, Punjab
- 4Pakistan Climate Change Act, 2017Open source ↗
Pakistan Code, Ministry of Law and Justice
- 5Asghar Leghari v Federation of PakistanOpen source ↗
Lahore High Court
- 6Climate Change Litigation in Pakistan: Critical Judicial DecisionsOpen source ↗
Law and Justice Commission of Pakistan
- 7Amer Ishaq v Province of Khyber Pakhtunkhwa, PLD 2024 SC 1134Open source ↗
Supreme Court of Pakistan
- 8Public Interest Law Association v Federation of Pakistan, 2024 SCP 248, order of 30 July 2024, paras 1, 6Open source ↗
Supreme Court · Compliance direction; case adjourned
- 9Punjab Environmental Protection (Smog Prevention and Control) Rules, 2023Open source ↗
Environment Protection Department, Punjab
- 10Punjab Environmental Quality StandardsOpen source ↗
Environment Protection Department, Punjab
- 11State of Environment ReportOpen source ↗
Environment Protection Department, Punjab
- 12Punjab Smog Mitigation and Response Initiative: Air SafeOpen source ↗
Environment Protection Department, Punjab
- 13Constitution (Twenty-sixth Amendment) Act, 2024, section 2: Article 9AOpen source ↗
Gazette of Pakistan · 21 October 2024
- 14Mehar Badshah v Government of Khyber Pakhtunkhwa, PLD 2025 SC 36 / 2024 SCP 372, paras 2–3, 5–7Open source ↗
Supreme Court · Matter disposed of in the stated terms
- 15D. G. Khan Cement v Government of Punjab, 2021 SCMR 834, paras 6, 9–15, 20Open source ↗
Supreme Court · Leave refused; petition dismissed
- 16General Secretary, West Pakistan Salt Miners Labour Union v Director, Industries, 1994 SCMR 2061Open source ↗
Supreme Court · Reproduced in the judicial decisions collection
- 17In re Pollution of Environment Caused by Smoke Emitting Vehicles, 1996 SCMR 543Open source ↗
Supreme Court · Reproduced in the judicial decisions collection