ID: 2102

AQSQID: 390350065

Site Name: Harvard Yards

Added: April 21, 2020, 6:24 p.m.

Updated: March 6, 2021, 10:32 a.m.

Location: Cleveland (E 42nd St), OH

Reporting: True, Located: True

Current AQI: 0.0

Cleveland (E 42nd St) OH, US: 41.446682, -81.662419

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 6, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 6, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 6, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 6, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 6, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 5, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 5, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 5, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 5, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 5, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 5, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 5, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 5, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 5, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 5, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 5, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 5, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 4, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 4, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 4, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 4, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 4, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 4, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 4, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 4, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 4, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 4, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 4, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 4, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 4, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 4, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 4, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 4, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 4, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 4, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 4, 2021, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 4, 2021, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 4, 2021, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 4, 2021, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
March 4, 2021, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A N/A 6.0
 
March 4, 2021, midnight N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
March 3, 2021, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
March 3, 2021, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
March 3, 2021, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
March 3, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 3, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 3, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 3, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 3, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 3, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 3, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 3, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 3, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 3, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 3, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 3, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 3, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 3, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 3, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 3, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 3, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 3, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 3, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 3, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 3, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 2, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 2, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 2, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 2, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 2, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 1, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
March 1, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 1, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 1, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 1, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 1, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
March 1, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 1, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 1, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 1, 2021, noon N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 1, 2021, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 1, 2021, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 1, 2021, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 1, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
March 1, 2021, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
March 1, 2021, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
March 1, 2021, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
March 1, 2021, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A N/A 6.0
 
March 1, 2021, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A N/A 6.0
 
March 1, 2021, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A N/A 6.0
 
March 1, 2021, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A N/A 6.0
 
March 1, 2021, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A N/A 6.0
 
Feb. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A N/A 6.0
 
Feb. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
Feb. 28, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 28, 2021, noon N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 28, 2021, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 28, 2021, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 28, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 28, 2021, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 28, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 28, 2021, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 28, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 28, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 28, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 28, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 27, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 27, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 27, 2021, noon N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 27, 2021, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 27, 2021, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 27, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 27, 2021, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 27, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 27, 2021, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 27, 2021, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Feb. 27, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 27, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 27, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 27, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 26, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 26, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 26, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Feb. 26, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Feb. 26, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Feb. 26, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Feb. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Feb. 26, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Feb. 26, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0