presentation: 4/4/19 calexico-mexicali work plan update and … · 04-04-2019 · 1 april 4, 2019...
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Calexico-Mexicali Work Plan Update and Recent PM Air Quality and Trends
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April 4, 2019
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Calexico and Mexicali PM Air Quality Trends (January-March 2017-2019)
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- PM2.5 at Calexico was better in 2017. - 2019 had better air quality than 2018. - No unhealthy days in 2019.
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- January: 2017 had better air quality.- January 2019 had better air quality than
2018.- February: 2019 had better air quality.
No unhealthy air quality days.- March: 2019 had better air quality. No
unhealthy for sensitive group days.
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PM10 AQI to Concentration (ug/m3)
AQI
Good (0-50)
Moderate (51-100)
Unhealthy for Sensitive Groups
(101-150)
Unhealthy (151-200)
Very Unhealthy (201-300)
Hazardous (>300)
PM10 Concentration 0-54 55-154 155-254 255-354 355-424 >424
- PM10 at Calexico was better in 2017 (except March).
- 2019 had better air quality than 2018.
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