Delhi logged a record 209 'good to moderate' air quality days in 2024: CAQM
The Commission for Air Quality Management reviewed Delhi's 2024 air quality on 31 December 2024.
Summary
Delhi recorded 209 days of 'Good to Moderate' air quality (AQI below 200) in 2024, the highest in a year excluding the pandemic year 2020, according to the Commission for Air Quality Management (CAQM) review released on 31 December 2024. Delhi had 157 days in the 'Poor' to 'Severe' categories, and the city's average AQI for 2024 was 209. February and December 2024 recorded the best average AQI for those months since 2018, while January 2024 (average AQI 355) was the worst January and May was the worst May in that period.
Key facts
- Released
- 31 December 2024, CAQM (Ministry of Environment, Forest and Climate Change)
- Good to Moderate days
- 209 (AQI < 200), the highest excluding 2020
- Poor to Severe days
- 157
- Average AQI 2024
- 209
- Best months
- February and December: best average AQI since 2018
- Worst months
- January (AQI 355) and May: worst since 2018
Practice MCQs 3 questions
How many 'Good to Moderate' air quality days (AQI below 200) did Delhi record in 2024, according to CAQM's review of 31 December 2024?
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Correct answer: C — 209
PIB (CAQM): Delhi recorded 209 Good to Moderate days in 2024; 157 is the number of Poor to Severe days.
Which two months of 2024 recorded Delhi's best average AQI for those months since 2018, as per CAQM?
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Correct answer: B — February and December
PIB (CAQM): February and December 2024 had the best average AQI for those months since 2018; January and May were the worst.
Consider the following statements about Delhi's air quality in 2024 as reviewed by CAQM: 1. Delhi's average AQI for 2024 was 209. 2. January 2024, with an average AQI of 355, was the worst January since 2018. 3. Delhi had more 'Poor to Severe' days than 'Good to Moderate' days. Which of the statements given above are correct?
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Correct answer: A — 1 and 2 only
PIB (CAQM): the 2024 average AQI was 209 and January (355) was the worst January; Delhi had 157 Poor–Severe days against 209 Good–Moderate days, so statement 3 is wrong.