Page 42 - Air Quality Index

Delhi's air quality slides to 'very poor' category, AQI registered at 303

An AQI between 0-50 is considered good, 51-100 is satisfactory, 101-200 moderate, 201-300 poor, 301-400 very poor and 401-500 is marked as severe or hazardous

Air quality 'poor' across Ghaziabad, Noida, Gurgaon, Faridabad

The average air quality was recorded in the "poor" category across Ghaziabad, Noida, Greater Noida, Faridabad and Gurgaon, according to data issued by a government agency on Sunday. Pollutants PM 2.5 and PM 10 were also present in the air of the five immediate neighbours of Delhi, according to the air quality index (AQI) maintained by the Central Pollution Control Board (CPCB). According to the index, an AQI between zero and 50 is considered 'good', 51 and 100 'satisfactory', 101 and 200 'moderate', 201 and 300 'poor', 301 and 400 'very poor', and 401 and 500 'severe'. The average 24-hour AQI at 4pmon Sunday was 260 in Ghaziabad, 300 in Greater Noida, 251 in Noida, 264 in Faridabad and 297 in Gurgaon, according to CPCB's Sameer app. The CPCB states that an AQI in thevery poor category may cause respiratory illness to people on prolonged exposure, while "poor" may cause breathing discomfort to most people on prolonged exposure. On Saturday it was 336 in Ghaziabad, 324 in Greater No

Delhi's air quality remains 'very poor', AQI likely to improve tomorrow

The air quality of Delhi remained in the "very poor" category with AQI docking at 309 and likely to improve on Sunday, according to the System of Air Quality and Weather Forecasting And Research

Air 'very poor' across Ghaziabad, Noida, Faridabad, Gurgaon for third day

Pollutants PM 2.5 and PM 10 also remained in the air of the five immediate neighbours of Delhi, according to the air quality index (AQI) maintained by the Central Pollution Control Board (CPCB)

Delhi's air quality to deteriorate further, temperature to rise: IMD

The deterioration in the air quality is expected due to low pace of surface wind blowing in the capital, officials said

Delhi's air quality in 'poor category', vehicles move through dense fog

A dense layer of fog engulfed Delhi on Monday morning as the overall Air Quality Index (AQI) was in the poor category

Delhi's air quality continues to remain in very poor category, fog remains

An AQI between 0-50 is marked good, 51-100 is satisfactory, 101- 200 is moderate, 201- 300 is poor, 301-400 is very poor and 401-500 is considered severe

National capital's air quality in 'severe' category, visibility poor

The Air Quality Index (AQI) in Delhi was recorded in the 'severe' category on Friday as citizens woke up to an extremely foggy morning and poor visibility.

Minimum temperature, air quality dips in Delhi; dense fog envelops city

As the mercury dipped in the national capital, so did the air quality with the System of Air Quality and Weather Forecasting and Research (SAFAR) reporting an AQI of 301 (very poor) in Delhi

Mumbai witnesses worse air quality than Delhi, records AQI of 317

Bandra Kurla Complex, a business district, recorded AQI of 346, Malad 338 and Andheri 333

Delhi air quality remains 'moderate', expected to worsen on Friday

The Air Quality Index (AQI) in the national capital has been recorded at 200 with "moderate" category on Thursday morning, according to the System of Air Quality and Weather Forecasting And Research

Rain, strong winds improve Delhi's air quality to 'moderate' category

Delhi's air quality improved significantly to the "moderate" category on Monday morning owing to rain and strong winds

Air quality improves significantly in Noida, Ghaziabad, Faridabad

The average air quality improved drastically to reach "poor" level from "severe" in Ghaziabad, Noida, Greater Noida, Faridabad and Gurgaon

Air quality 'severe' in Noida, Ghaziabad, Faridabad for third day in a row

Tt was 'very poor' in Gurgaon, according to a 24-hour data issued by a government agency

Air Quality Commission directs all industries in Delhi to switch to PNG

The Commission of Air Quality Management stressed the need to switching over of all industries in Delhi NCR to PNG

Air quality plunges to 'severe' level in Noida, Ghaziabad, Faridabad

The average air quality plunged to "severe" level in Ghaziabad, Noida, Greater Noida and Faridabad, while it was "very poor" in Gurgaon

Air remains 'very poor' in Noida, Ghaziabad, 'poor' in Gurgaon, Faridabad

The average air quality remained "very poor" in Ghaziabad, Noida and Greater Noida, and "poor" in Gurgaon and Faridabad, according to a 24-hour data issued by a government agency

Delhi's air quality 'poor', minimum temp could drop to 3 degrees Celsius

Delhi's air quality remained in the 'poor' category, as per System of Air Quality and Weather Forecasting And Research

Air quality slips to 'severe' in Ghaziabad, Noida; 'very poor' in Faridabad

The air quality index for each city is based on the average value of all stations there

Delhi's air quality 'poor', likely to improve with light rain, winds

Delhi's air quality was recorded in the poor category and is likely to improve significantly over the next two days due to a predicted increase in the wind speed and light rain