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New Delhi pollution in January, 2019.

Compare current AQI

	Time of Day*	AQI Current	AQI Forecast	PM2.5**	O3**
New London, CT (highest)	2:00 pm	174	74	61	174
Where I Live	1:00 pm	75	Moderate	75	21
Los Angeles, CA	11:00 am	56	125	56	31

*Try to do all of this data gathering at once. I have this column so we can think about what is going on. For example, rush hour at 7:30 am in San Antonio (highest NOx/VOC) will still be 4:00 am in Los Angeles, CA…no traffic yet. This makes a difference to note.

**These AQI data are on the 0 – 500 AQI scale, they are not actual ppb or µg/m3 measurements.

Comparison of Current PM2.5 and O3 to EPA Standards

National Standard	San Antonio Current measured over 1 hour	Time of Day
PM2.5 Average measured over 24 hours - 35 μg/m3	23.4 µg/m3	2:30 pm
O3 Average measured over 8 hours - 70 ppb (137 µg/m3)	31 ppb	2:30 pm

Resources for Data