Delhi's Winter Sun Shines Bright Amid Air Quality Concerns
New Delhi welcomed a bright and sunny winter day on Sunday, January 25, 2026, offering residents a classic seasonal experience with clear skies and comfortable afternoon warmth. However, the picturesque weather is overshadowed by persistent poor air quality, which continues to pose health risks for the city's inhabitants.
Temperature and Weather Conditions
The day is characterized by a significant temperature range, with mornings and nights feeling distinctly cooler compared to the pleasant afternoons. Forecasts indicate temperatures will fluctuate between a low of 9.7°C and a high of 19.9°C, averaging around 14.1°C. Humidity levels are expected to remain relatively low at approximately 36%, contributing to a dry atmosphere that can feel comfortable in the sun but may cause throat discomfort for commuters.
Winds are anticipated to be gentle, reaching maximum speeds of around 11.9 kmph, which are insufficient to quickly disperse accumulated pollution. With a 0% chance of rain and 0 mm expected, the dry conditions will prevail throughout the day, offering good visibility of up to 10 km but also allowing pollutants to linger.
Air Quality Details and Health Advisories
Despite the clear skies, air quality remains a pressing concern. Saturday, January 24, closed with an AQI (India) of 138, classified as "Poor (category 3)". On the US scale, this translates to an AQI of 160, signaling unhealthy air, particularly for sensitive groups. Elevated levels of PM2.5 at 78 and PM10 at 105 were recorded, along with carbon monoxide (CO) at 237.
This poor air quality is expected to linger into Sunday, prompting health recommendations:
- Early commuters are advised to wear masks on busy roads to reduce exposure to pollutants.
- Children, older adults, and individuals with asthma or allergies may experience eye irritation, throat discomfort, or breathing difficulties.
- Longer outdoor workouts should be postponed to late morning when pollution levels might be slightly lower.
The stable weather, while offering good visibility, can slow down the dispersion of pollutants, meaning air quality may improve only gradually unless local emissions decrease.
Activity Planning Tips for the Day
Given the conditions, timing is crucial for planning outdoor activities:
- The best window for longer walks or park visits is from late morning to early afternoon, when temperatures are more favorable.
- If stepping out early, carry a mask for traffic-heavy areas and keep water handy to combat low humidity.
- Sunglasses are recommended for driving or errands due to the bright sun, but avoid underdressing as evenings cool quickly after sunset at 5:54 PM.
- For outdoor exercise, choose open green spaces over roadside routes to minimize PM exposure, and keep intensity moderate if sensitive to pollution.
Weekly Weather Outlook for Delhi
The week ahead promises varied weather patterns, starting with a warmer trend. Monday, January 26, is forecast to be sunny and noticeably warmer, with temperatures climbing to 22.2°C and a low of 10.1°C, making it an ideal day for outdoor plans.
Midweek brings a shift, with Tuesday, January 27, turning unsettled with "patchy rain nearby" and an 84% chance of rain, expecting around 2.11 mm. Wednesday, January 28, looks wetter, with moderate rain anticipated at an 86% chance and approximately 8.63 mm expected. These rain spells may temporarily improve air quality by washing out particulates, offering short-lived relief.
From Thursday, January 29, onwards, sunshine is expected to return, with temperatures hovering in the 22–23°C range. Friday, January 30, is forecast to be partly cloudy, while Saturday, January 31, trends overcast. For those planning picnics or long outings, Monday stands out as the best day with the cleanest weather bet, whereas Tuesday and Wednesday require flexibility due to expected rain.
In summary, while Delhi enjoys a sunny winter day, residents must remain cautious of the poor air quality and plan activities wisely to balance enjoyment with health safety.