Delhi Sees Most Polluted Start to October Since 2020, AQI Deteriorates for 5th Consecutive Day
- Delhi’s average AQI reached 187 on October 4, the highest level in 83 days, after worsening for five straight days.
- The average AQI for October 1–4 was 174.5, making it Delhi’s most polluted start to October since 2020.
- The Central Pollution Control Board identified PM10 as the main pollutant, while weaker winds, no rain, and local emissions allowed pollution to build.
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12 Articles
Delhi air pollution: MCD fines fail to deter violators as AQI hits season’s worst level
Delhi’s pollution-control efforts are facing fresh questions after MCD records showed that only a small fraction of fines imposed for construction violations were recovered in 2024 and 2025. The concern comes as Delhi recorded its worst AQI of the season at 187 on October 4, while experts warned that weaker winds and approaching winter conditions could lead to more polluted days.
Delhi Breathes 'Moderate' Air as AQI Hits 187, Highest in Nearly Three Months
Get latest articles and stories on India at LatestLY. The air quality in the national capital deteriorated to the higher end of the 'Moderate' category, recording an Air Quality Index (AQI) of 187, marking the highest level seen in nearly three months (83 days), according to the Central Pollution Control Board's (CPCB) 24-hour bulletin. India News | Delhi Breathes 'Moderate' Air as AQI Hits 187, Highest in Nearly Three Months.
Delhi's smog season is coming. Will new anti-pollution rules make any difference?
The national capital enters the pollution season with cleaner air so far and a new set of measures designed to act before the haze builds. Will the preemptive steps work or will Delhi remain breathless again?
Delhi's air quality during the first seven days of October was the worst in the last three years. During this period, the average AQI was recorded at 171. On October 4, the AQI reached 187.
Amid deteriorating air quality in Delhi, around 70 incidents of stubble burning were recorded on Wednesday, according to IARI, including 15 in Punjab alone, 11 in Uttar Pradesh, 7 in Rajasthan and 37 in Madhya Pradesh.
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