Pakistan is once again facing the harsh realities of winter fog season as dense fog and low visibility forced the temporary closure of key sections of Motorway M-1 and Motorway M-5. According to officials from the National Highways and Motorway Police (NHMP), visibility on several highway segments dropped to zero meters, making travel unsafe for all vehicles.

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The closure has affected thousands of travelers, transporters, and commercial vehicles heading toward northern and southern regions of the country. Winter fog has historically caused major disruptions in Punjab and Khyber Pakhtunkhwa, but this year’s fog wave is reported to be more intense and widespread, with multiple cities recording hazardous pollution and extremely low visibility levels.

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This detailed report explains the full situation in simple English, covering:

• Which sections of M-1 and M-5 are closed
• Why dense fog has intensified this week
• Air quality levels in Lahore, Kasur, Narowal, Gujranwala, and other cities
• Safety guidelines issued by Motorway Police
• Impact on traffic, public safety, and travel planning
• Google-searched keywords such as Motorway fog update Pakistan, M-1 closed today, M-5 fog closure, Punjab AQI today, Lahore pollution update, NHMP fog travel advisory, and more.

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Severe Fog Forces Closure of Motorway M-1 and M-5

The National Highways and Motorway Police confirmed that:

• Motorway M-1 is closed from Peshawar to Burhan
• Motorway M-5 is closed from Zahir Pir to Uch Sharif

These closures were implemented after visibility dropped sharply during the night, making high-speed driving extremely dangerous.

According to NHMP officers stationed along these routes, fog density increased rapidly between 2 AM and 6 AM, creating a “white wall effect” that prevented drivers from seeing even a few meters ahead.

Officials emphasized that such closures are crucial to prevent large accidents. In previous years, multi-vehicle pileups were recorded during heavy fog due to drivers ignoring warnings and continuing to travel in low-visibility conditions.

Why Fog Becomes Extremely Dangerous on Motorways

Fog is considered one of the most hazardous driving conditions in winter, especially on high-speed expressways like M-1, M-2, M-3, M-4, M-5, and M-11. Motorway Police described several reasons why fog makes travel unsafe:

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1. Sudden Drops in Visibility

Visibility can change from 200 meters to zero meters within seconds, leaving drivers with no time to brake.

2. High-Speed Traffic

Vehicles traveling at 100–120 km/h cannot stop in time when visibility suddenly disappears.

3. Lane Discipline Becomes Difficult

White fog reduces contrast with road markings, causing drivers to drift between lanes.

4. Increased Risk of Chain-Collision Accidents

If one vehicle brakes suddenly in fog, cars behind may crash into each other, creating multi-vehicle accidents.

5. Reduced Visibility for Trucks and Buses

Heavy vehicles take longer to stop, increasing accident risks during dense fog hours.

NHMP says that safety comes before convenience, and temporary closures are necessary to protect lives.

Motorway Police Issue Strong Advisory to Citizens

A spokesperson for NHMP warned drivers to avoid unnecessary travel, especially during early morning and late-night hours when fog is at its peak.

Authorities urged travelers to follow these guidelines:

✔ Avoid high-speed driving

Fog creates unpredictable road conditions.

✔ Use fog lights instead of high beams

High beams reflect off fog particles and worsen visibility.

✔ Keep a safe distance

Maintain at least double the usual distance between vehicles.

✔ Check Motorway helpline (130) before travel

Motorway Police provide live status updates.

✔ Avoid overtaking

Overtaking in fog is one of the leading causes of collisions.

✔ Do not stop on the road; use emergency lanes only

Stopping on the road in low visibility is extremely dangerous.

NHMP also recommends using mobile apps that provide live weather and fog updates to plan safer travel.

Punjab Blanketed in Dense Fog, Visibility Near Zero in Some Cities

While Motorways remain the worst affected, Punjab’s local roads and highways are also experiencing heavy fog. Major urban centers, rural towns, and agricultural zones are covered in a thick layer of cool, moisture-laden air.

Some areas recorded visibility as low as:

• 20 meters on GT Road
• 15 meters on rural highways
• Under 10 meters in agricultural fields

Drivers reported difficulty navigating even inner-city routes in Lahore, Kasur, and Sheikhupura.

Lahore Declared the Most Polluted City in Punjab Today

Dense fog combined with winter smog worsened air quality across Punjab. A short while ago, Lahore was declared Punjab’s most polluted city, with an Air Particulate Matter (PM2.5) reading of:

AQI 397 – Hazardous

This level is considered dangerous and can cause:

• breathing difficulty
• coughing and throat irritation
• eye inflammation
• reduced lung function
• aggravation of asthma and heart conditions

Experts say that a combination of fog and smog (known as “smog-fog layer”) traps pollutants close to the ground, making the air extremely harmful.

Air Quality Index (AQI) Levels in Punjab Cities

According to the Punjab Environment Protection Department’s official website, today’s AQI readings are:

■ Kasur: AQI 368

■ Muzaffargarh: AQI 315

■ Narowal: AQI 311

These levels are categorized as “Very Unhealthy”, meaning residents are advised to stay indoors and avoid outdoor activities.

Environmental monitoring platforms also reported:

■ Gujranwala: AQI 308

■ Lahore: AQI 194 (4th most polluted major city in the world today)

Even though Lahore’s AQI dipped later in the day, the city remains within the poor to hazardous range, indicating severe pollution.

How Fog and Smog Combine to Worsen Conditions

Experts explain that winter fog mixes with smog to create toxic haze. This happens when:

• industrial emissions
• vehicle smoke
• dust particles
• crop burning in rural areas
• low wind speed
• temperature inversion

all become trapped close to the ground.

This combined pollution layer reduces visibility and harms respiratory health simultaneously.

Impact on Public Transportation, Flights, and School Attendance

Fog has disrupted multiple sectors across Punjab:

✔ Public Buses

Transport companies have delayed or rescheduled long-route buses due to poor visibility on highways.

✔ Private Transport

Ride-hailing services reported slow traffic, longer trip times, and cancellations by drivers.

✔ Airlines

Fog affects takeoff and landing schedules. Several flights at Lahore and Multan airports experienced delays earlier today.

✔ Schools and Offices

Parents struggled to drive children to school due to thick fog in morning hours. Attendance in some areas remained low.

Authorities may consider adjusted school timings if fog intensity continues.

Motorway Closures Expected to Continue Throughout the Week

Meteorologists predict that fog will persist across Punjab and Khyber Pakhtunkhwa for several days. Because of this:

• Further closures on M-1, M-2, M-3, and M-4 are possible
• Traffic may reopen only after visibility improves
• Night and early morning travel will remain risky

NHMP will issue updates hourly.

Precautionary Measures for Drivers and Public

Authorities advise following safety measures during dense fog:

• Drive slowly and stay alert
• Use fog lights only
• Avoid sudden braking
• Keep heater/defogger running to prevent windshield fog
• Do not use mobile phones while driving
• Follow Motorway Police instructions
• Avoid travel if visibility is below 50 meters

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Conclusion About Motorway Fog Update Pakistan:

Dense fog and hazardous air quality have severely affected transportation across Punjab, forcing the closure of major sections of Motorway M-1 and M-5. With Lahore, Kasur, Narowal, Muzaffargarh, and Gujranwala recording dangerous AQI levels, authorities continue to warn citizens to limit travel and follow safety guidelines.

Motorway Police are closely monitoring conditions and will reopen sections only when visibility improves. Until then, travelers are urged to stay cautious and prioritize safety over convenience.

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