Environment
Delhi AQI hits 312, first very poor day this season
The Hindu BusinessLine·
Delhi's Air Quality Index reached 312 at 9 am on Monday, entering the very poor band for the first time this season. CPCB treats readings from 301 to 400 as very poor. The morning figure is not the day's 24-hour average, which is issued at 4 pm. Safdarjung recorded a minimum of 16.4 degrees Celsius, 1.1 notches above normal.
Prism
What It Means For You
- GRAP Stage 2 rules apply when Delhi AQI is in the 301 to 400 very poor range.
- Hindustan Times said 36 of 58 reporting stations were in the very poor category Monday morning.
- Jahangirpuri alone was severe at 417, according to that station tally.
What's Happening
- An earlier 7.05 am reading stood at 307, HT reported, after Sunday's 24-hour average of 261.
- No rain fell at five IMD city stations in the 24 hours ending 8.30 am.
- PM2.5 was listed as the primary pollutant at 51 of 58 stations at 6 am.
How Fast the Air Turned
- Friday's AQI was 60 after heavy rain, described as the cleanest October day in four years.
- Delhi last logged very poor air on February 11, when the 24-hour average was 305.
- NASA satellite counts showed 171 farm fires in Punjab and Haryana on November 1.
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