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The United Indian

Dense Fog in Delhi NCR: A Winter Morning Turns Hazardous as Air Quality Slips

dense fog in Delhi NCR

Breathing Gets Hard

Posted
Dec 21, 2025
Category
Recent Events

I woke up earlier than usual on Friday, not because of an alarm, but because the room felt oddly still. Delhi mornings usually announce themselves with noise - traffic, horns, voices. That day, there was almost nothing. When, I pulled the curtain aside, the street below had disappeared. Not hidden. Not blurred. Gone.

The building across the road was barely visible. Streetlights glowed like faint dots suspended in grey. It took a moment to register that this wasn’t just fog - it was the kind that settles into the lungs before you step outside. By the time I checked official data later, the numbers only confirmed what the city already felt.

 

Walking Into the Air

Stepping out felt heavier than usual. The air had a thickness to it, a smell that winter mornings in Delhi carry far too often now. I wrapped my scarf higher without thinking. So did most people around me.

Auto drivers drove slower than normal. Cyclists hugged the side of the road. A traffic policeman stood with a mask pulled tight, barely visible until you were close enough to nod.

By 4 pm the previous evening, the city’s 24-hour average AQI had already crossed 370. By 9 am, it was hovering closer to 380. Anyone checking the air quality index Delhi today would have seen the warning signs. But you didn’t need an app.

You could feel it in your throat.

 

Fog That Doesn’t Lift

Fog in Delhi is nothing new. But this kind of fog doesn’t behave like weather. It behaves like a lid.

Pollutants hang low, refusing to disperse. Vehicles add more as the morning rush begins. Construction dust sits quietly, trapped. The sun struggles to cut through.

This is where dense fog in Delhi NCR stops being a seasonal inconvenience and starts becoming a daily obstacle. Flights get delayed. Roads slow down. People reach offices late and arrive irritated, already tired.

It’s a small erosion, but it adds up.

 

dense fog in Delhi NCR

 

Conversations on the Road

At a tea stall near a bus stop, a man joked that winter has become Delhi’s longest season. Another replied that at least summers let you breathe. No one laughed much.

People talk about pollution the way they talk about traffic - resigned, annoyed, but not hopeful. It’s no longer a crisis that shocks. It’s a condition that lingers.

Air pollution in Delhi has settled into routine life. People plan walks after noon. Parents ask schools to cancel outdoor activities. Masks reappear without much debate.

What’s striking is how normal it has all become.

 

What the Weather Is Doing

Later in the morning, updates from the Meteorological department explained what residents already suspected. Low wind speed. Cold temperatures. No dispersion.

The fog formed easily. The pollution stayed trapped. Sunlight took its time. None of this was unexpected. That, in itself, is part of the problem.

Every winter, the explanation is the same. The result, too, feels familiar. What changes is only how early it starts and how long it lasts.

 

Those Who Can’t Stay Inside

As I moved through the city, one thing stood out. Not everyone had the luxury of limiting exposure. Traffic police stood through it. Street vendors kept their carts open. Delivery workers rode through thick air without slowing down.

Hospitals see this every year. Doctors talk about rising complaints - burning eyes, tight chests, breathlessness. The advice remains consistent: avoid going out, wear masks, stay hydrated.

It’s good advice. It’s also advice many can’t afford to follow.

 

A City That Adjusts

By late morning, visibility improved slightly. The fog thinned, but the air didn’t feel cleaner. Just less opaque. Shops opened fully. Offices filled up. Life resumed, because that’s what Delhi does best — it absorbs disruption and keeps moving.

But the cost is quiet. It’s in the coughs you hear on the Metro. In the way people avoid deep breaths. In the constant checking of AQI numbers as if watching them might help.

The second mention of dense fog in Delhi NCR belongs here, because it’s no longer just about one morning. It’s about a pattern that defines the season.

 

No Panic, Just Weariness

What struck me most wasn’t panic. It was weariness. People weren’t surprised. They weren’t even particularly angry. They were tired. Tired of adjusting. Tired of preparing. Tired of being told that this is temporary. Winter after winter, the air gets worse before it gets better. And every year, the margin for tolerance shrinks a little more.

 

Waiting for Clearer Days

By evening, traffic picked up. The sky remained dull. The smell lingered. This is how most days end now - not with relief, but with acceptance. You wait for wind. You wait for sun. You wait for a change that never seems urgent enough to arrive. Delhi doesn’t shut down. It never does. It just learns to live with less visibility, less comfort, less air. And then it waits for morning again.

 

The United Indian

Reporting Everyday India

The United Indian documents how national issues play out in daily life. From air and health to cities and citizens, we focus on lived experience not just data points.

FAQ

Everything you need to know

Frequently Asked Questions

Is this fog normal winter fog or something worse?

It’s not just regular fog. What we’re seeing is fog mixed with pollution. That’s why it feels heavier, irritates the throat, and doesn’t clear quickly even after sunrise.

Why does the air feel worse in the morning?

Early mornings trap pollution closer to the ground because cold air doesn’t let it rise. That’s why breathing feels hardest before 10 am and gets slightly better later in the day.

Should I avoid going out completely on days like this?

If you can delay outdoor activity, especially early morning walks or exercise, it helps. If you must step out, wearing a mask and limiting exposure time is a sensible choice.

Why do official numbers sometimes feel less serious than reality?

Because the air quality number is an average. In busy roads, residential lanes, or construction areas, pollution can be much worse than what the citywide figure shows.

When will this actually get better?

Usually when stronger winds arrive or weather patterns change. Until then, winter pollution tends to come and go in waves, with some days worse than others.

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