Patna has been confirmed as the second-most polluted city in India during the 2024-25 period, following Delhi, which recorded the highest annual PM2.5 levels. This alarming trend highlights the ongoing air quality crisis in the region, exacerbated by specific meteorological conditions.

According to a study by Climate Trends, Delhi continues to face the most severe pollution crisis nationally, with the highest annual average PM2.5 levels and the longest stretches of ‘severe’ or ’emergency’ category air days. In contrast, Patna’s persistent high PM2.5 concentrations are driven by strong atmospheric stagnation, indicating an intensifying crisis in the eastern Indo-Gangetic Plain.

Low wind speed, high humidity, and atmospheric stagnation are key factors that contribute to the elevated PM2.5 levels in both cities, particularly during the winter months. These meteorological conditions can shift PM2.5 levels by up to 40%, even without any change in emissions.

Over 70% of days in both Delhi and Patna fall under low-wind, high-humidity meteorological regimes, which significantly worsen air quality. The Indo-Gangetic Plain’s geography and seasonal weather patterns make it particularly vulnerable to high pollution levels.

In Delhi, Stage III restrictions were applied for about 53 days when air quality reached the ‘severe’ category, while Stage IV measures lasted for around 15 days during severe air quality episodes. Such measures reflect the urgent need for effective air quality management in both cities.

As the winter season approaches, observers are closely monitoring air quality trends in Patna and Delhi. The ongoing crisis raises concerns about public health and the effectiveness of current pollution control measures.

Details remain unconfirmed regarding any new initiatives aimed at addressing the pollution levels in Patna. However, the situation demands immediate attention from local authorities and environmental organizations.

In summary, the weather in Patna is not only a matter of climate but also a significant factor influencing air quality. The persistent pollution crisis underscores the need for comprehensive strategies to combat air quality issues in the region.

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The recent air quality data raises a critical question: How polluted is the air in Bihar compared to other cities? Currently, Saharsa has reported the highest pollution level in the state, with an Air Quality Index (AQI) of 219, categorizing it as poor.

In Patna, the AQI readings are also concerning, with levels of 215 around Gandhi Maidan and 209 in the Planetarium area. The overall average AQI for Patna stands at 168, indicating moderately polluted conditions.

On the other hand, Munger has recorded the cleanest air in Bihar, with an AQI of just 46, falling within the good category. This stark contrast highlights the varying air quality across different regions within the state.

How does Bihar’s air quality compare with other cities?

A counterfeit drug network was dismantled by Delhi Police on September 1, 2025, involving multiple arrests and significant seizures of illegal substances. The operation revealed connections between suppliers in Uttarakhand and traders in Delhi, with Tanishq Jha’s factory in Patna identified as a key player in the production of counterfeit medicines.

The police laid a trap to catch a courier delivering a package containing Tramadol premix, leading to the arrest of Anirudh Rai. Following this, authorities uncovered a broader network that included Amit, who allegedly stored 20 kilograms of Tramadol premix in his warehouse in Roorkee, and Prashant, who acted as an intermediary linking suppliers to buyers across North India.

In total, the Delhi Police seized counterfeit medicines and psychotropic drugs valued at nearly Rs 50 crore. This operation highlights the extensive nature of the counterfeit drug trade, which has been a growing concern in India.

According to a senior Crime Branch officer, “The goal was to trace the supply chain behind the material.” The investigation revealed a complex web involving suppliers of raw materials, brokers, transporters, and manufacturing units where the raw materials were converted into tablets or syrups.

The pharmaceutical belt around Roorkee has seen the emergence of many small manufacturers since Uttarakhand was carved out of Uttar Pradesh, leading to increased scrutiny of their operations. A Crime Branch officer noted, “When factories shut down or excess stock remains in the warehouses, middlemen sometimes try to move the material quickly.”

Authorities are continuing to investigate the network, which has raised alarms about the safety of pharmaceutical products in the region. The profits from these operations were reportedly shared between the brokers and the traders who sourced the material.

As the investigation unfolds, further details may emerge regarding the extent of the counterfeit drug operations and the individuals involved. The crackdown on this network is part of a larger effort by law enforcement to combat the growing issue of counterfeit drugs in India.

Details remain unconfirmed regarding the full scope of the network and the potential involvement of additional individuals.

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