Page 18 - Air Quality Index

Delhi's air quality remains 'moderate' after record rains, AQI at 183

Intermittent showers over the past few days have helped reduce pollution levels in the national capital

NGT issues notice to Centre over ozone levels exceeding limits in Delhi

The National Green Tribunal has sought a response from the Centre on the "feasibility and mechanism" for implementation of the CPCB's recommendations for controlling ozone levels, which were found beyond the permissible limits in some areas of the national capital. The green body earlier directed the Central Pollution Control Board (CPCB) and other agencies to submit relevant material explaining why ozone levels in these areas exceeded permissible limits. It had also sought "targeted approaches" that could be adopted for these areas. In an order dated December 23, a bench of NGT Chairperson Justice Prakash Shrivastava and expert member A Senthil Vel noted that the CPCB had submitted a report dated December 20 about the measures for control of ozone levels along with some suggestions or recommendations. The CPCB report said, "It has been recognised globally that control of ozone is only possible through control of its precursors. It is also evident that control of local sources of it

Air quality in Delhi turns moderate; Noida, Gurugram sees satisfactory AQI

On Friday, the restrictions under the Graded Response Action Plan (Grap) III were revoked in Delhi-NCR after the air quality improved following a day of continuous showers

Amid dip in Delhi-NCR pollution levels, CAQM revokes Grap-3 restrictions

The Centre's panel on Delhi-NCR's air quality on Friday rolled back stage 3 curbs under the Graded Response Action Plan (GRAP) amid a dip in air pollution levels owing to continuous rains, according to an official order. Delhi's air pollution levels showed a declining trend and the 24-hour average air quality index (AQI) stood at 324 at 7 pm. ?According to forecasts from the India Meteorological Department and the Indian Institute of Tropical Meteorology, the air quality situation is predicted to improve further owing to favourable meteorological conditions. The Commission for Air Quality Management, responsible for strategizing air pollution mitigation in Delhi-NCR, said curbs prescribed under stage 1 and 2 will remain in force in the region. GRAP Stage 3 entails a ban on non-essential construction work in the private sector. Classes up to grade 5 are required to shift to hybrid mode under Stage 3. Parents and students have the option to choose online education wherever ...

Drizzle fails to improve Delhi's 'very poor' AQI; IMD issues yellow alert

Delhi's Air Quality Index remained in the 'very poor' category at 371, according to data from the Central Pollution Control Board

Delhi's air quality remains 'very poor' amid cold wave and fog conditions

In the National Capital Region (NCR), cold wave and fog conditions persisted, with the minimum temperature dropping to 8.4 degrees Celsius

Delhi air quality improves to 'very poor' category, Grap-IV measures lifted

The stringent measures under the stage-IV of the Grap in Delhi were lifted on Tuesday, following an improvement in the AQI

Centre lifts Grap IV restrictions for Delhi-NCR as pollution levels dip

The Centre's panel on Delhi-NCR's air quality on Tuesday revoked Stage IV curbs under the Graded Response Action Plan amid a dip in pollution levels, according to an official order. Delhi's air pollution levels showed a declining trend on Tuesday and the 24-hour average Air Quality Index (AQI) stood at 369 at 4 pm. ?According to forecasts from the India Meteorological Department and the Indian Institute of Tropical Meteorology, the air quality situation is predicted to improve further, owing to favourable meteorological conditions. Stage IV curbs under the Graded Response Action Plan (GRAP) ?include a ban on all construction activities, entry of non-essential polluting trucks into Delhi, and mandatory shifting of school classes, except for classes 10 and 12, to hybrid mode.

Delhi continues to battle with 'severe' air quality amid drizzle and fog

AQI hits 401 despite light rainfall; cold wave grips north India with plummeting temperatures and snowfall disruptions

Delhi's air still in 'severe' category despite light rainfall, AQI at 402

While the first half of December saw six 'moderate' air quality days, November remained highly polluted

Delhi's AQI improves marginally but air remains 'hazardous' at 388

While the air remains hazardous in the national capital, it shows slight improvement compared to Saturday, when many areas of the city reported an alarming AQI of 434

Delhi's air quality remains in 'severe' category, average AQI at 429

Delhiites continued to breathe toxic air as the air quality on Friday remained in the severe category, with the 24-hour average Air Quality Index (AQI) of 429. The predominant pollutant was PM2.5, the fine particulate matter that poses serious health risks, as they can penetrate deep into the lungs and enter the bloodstream. Of the 36 monitoring stations across the city, 14 reported air quality in the 'Severe Plus' category, with AQI readings above 450. The remaining stations recorded AQI levels in the 'Severe' range, between 401 and 450. These levels signify a significant deterioration in air quality, which is considered life-threatening for vulnerable populations such as children, the elderly, and those with respiratory or heart conditions. The maximum temperature on Friday was 23 degrees Celsius, slightly warmer than the usual for this time of year. The day started with a cool, misty morning and high humidity, which fluctuated between 95 per cent and 71 per cent throughout the

Delhi's air quality remains at 'severe' stage, govt blames stubble burning

Despite the enforcement of Stage-IV measures under the Graded Response Action Plan (Grap), pollution levels show little respite

IMD issues orange alert for fog in Delhi, mercury dips to 7 degrees Celsius

Delhi cold wave: Delhi recorded a minimum temperature of 7 degrees Celsius on Thursday morning; AQI was recorded at 448 on Thursday

Delhi continues to breathe 'severe plus' air; no sign of improvement

The city is currently under Grap Stage-IV, which bans all construction work within city limits and prohibits the entry of unnecessary polluting trucks inside the capital

Severe air pollution in Delhi as AQI hits 442; toxic haze blankets city

The air quality is expected to remain in the severe range on Thursday

Gurugram DC orders strict implementation of GRAP IV as air quality worsens

Gurugram DC Ajay Kumar has ordered officials to strictly implement the restrictions of GRAP 4 due to increasing air pollution. As per the order, many restrictions have been imposed, including change in office timings of government employees, work from home in private institutions, classes in hybrid mode in schools, ban on construction and demolition activities. As per the orders issued by the DC, employees in all government offices will come to the office at 9:30 in the morning and will render their services till 5:30 in the evening. In all municipal bodies, the timings would be from 8:30 am to 4:30 pm. The DC has issued an advisory for all private institutions to work from home till further orders. In compliance with the restrictions of GRAP 4, instructions were given to conduct classes in hybrid mode in all schools except classes 10th and 12th. "Under the restrictions of GRAP 4, there will be a ban on public and private construction and demolition activities including highways an

Delhi is breathing 'severe plus' air quality again, Grap-IV reimposed

The air quality in Delhi deteriorates to 'severe plus'; strict measures under Grap Stage IV enforced to curb pollution

Grap-III measures reimposed in Delhi-NCR as air quality hits 'very poor'

The CAQM reimposes Grap-III in Delhi-NCR as AQI hits 355. Construction halted and diesel trucks banned; SC calls for pan-India air pollution action plan

GRAP 3 back in Delhi-NCR: Students up to Class V to opt for hybrid mode

GRAP-3 has again been implemented in Delhi NCR by the Commission for Air Quality Management (CAQM). Up till Class V, all Delhi-NCR schools will be now be conducted in hybrid mode