Current PM 2.5 level in LA is 74. Current level in Delhi is 500+. The scale is just not comparable. I lived in LA for 3+ years in the 2000s. I just returned to

Current PM 2.5 level in LA is 74. Current level in Delhi is 500+. The scale is just not comparable. I lived in LA for 3+ years in the 2000s. I just returned to Delhi and the air quality is way, way worse than I have ever experienced, anywhere.