AQSQID: 060670002

Site Name: North Highlands

Location: Sacramento Co, CA

Reporting: True, Located: True

Current AQI: 13.0

Sacramento Co CA, US: 38.71209, -121.38109

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.2 ppb (2) N/A N/A 13.0
 
May 25, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
May 25, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.2 ppb (2) N/A N/A 9.0
 
May 25, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.2 ppb (2) N/A N/A 10.0
 
May 25, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
May 25, 2019, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.2 ppb (2) N/A N/A 13.0
 
May 25, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
May 25, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
May 25, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
May 25, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.2 ppb (2) N/A N/A 8.0
 
May 25, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
May 25, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A N/A 14.0
 
May 25, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.3 ppb (3) N/A N/A 15.0
 
May 25, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.3 ppb (3) N/A N/A 18.0
 
May 25, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.3 ppb (3) N/A N/A 22.0
 
May 25, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.3 ppb (3) N/A N/A 21.0
 
May 25, 2019, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.3 ppb (3) N/A N/A 21.0
 
May 24, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.3 ppb (3) N/A N/A 20.0
 
May 24, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.3 ppb (3) N/A N/A 18.0
 
May 24, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.3 ppb (3) N/A N/A 21.0
 
May 24, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.3 ppb (3) N/A N/A 20.0
 
May 24, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.3 ppb (3) N/A N/A 18.0
 
May 24, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.3 ppb (3) N/A N/A 14.0
 
May 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
May 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
May 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
May 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
May 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.2 ppb (2) N/A N/A 11.0
 
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 0.2 ppb (2) N/A N/A 8.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.2 ppb (2) N/A N/A 8.0
 
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A N/A 14.0
 
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
May 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
May 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
May 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A N/A 23.0
 
May 22, 2019, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A N/A 23.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A N/A 23.0
 
May 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A N/A 23.0
 
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A N/A 23.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A N/A 17.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A N/A 17.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
May 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A N/A 26.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.3 ppb (3) N/A N/A 21.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.3 ppb (3) N/A N/A 23.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.3 ppb (3) N/A N/A 23.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A N/A 23.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.3 ppb (3) N/A N/A 20.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.3 ppb (3) N/A N/A 12.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.3 ppb (3) N/A N/A 4.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.3 ppb (3) N/A N/A 3.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.2 ppb (2) N/A N/A 2.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.2 ppb (2) N/A N/A 2.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.2 ppb (2) N/A N/A 2.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.2 ppb (2) N/A N/A 2.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.3 ppb (3) N/A N/A 3.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A N/A 4.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.4 ppb (4) N/A N/A 4.0
 
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.4 ppb (4) N/A N/A 5.0
 
May 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.3 ppb (3) N/A N/A 12.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A N/A 23.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A N/A 17.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.2 ppb (2) N/A N/A 28.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A N/A 14.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.2 ppb (2) N/A N/A 13.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A N/A 17.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A N/A 14.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.2 ppb (2) N/A N/A 13.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.2 ppb (2) N/A N/A 9.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.2 ppb (2) N/A N/A 9.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.2 ppb (2) N/A N/A 11.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
May 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
May 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
May 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.2 ppb (2) N/A N/A 13.0
 
May 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
May 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
May 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
May 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
May 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
May 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
May 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A N/A 23.0
 
May 18, 2019, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.2 ppb (2) N/A N/A 24.0
 
May 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
May 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
May 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A N/A 17.0
 
May 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
May 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
May 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.2 ppb (2) N/A N/A 13.0
 
May 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
May 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.2 ppb (2) N/A N/A 11.0
 
May 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
May 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
May 17, 2019, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
May 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A N/A 15.0
 
May 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A N/A 15.0
 
May 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.0 ppb (0) N/A N/A 15.0
 
May 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A N/A 15.0
 
May 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.1 ppb (1) N/A N/A 16.0
 
May 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.0 ppb (0) N/A N/A 19.0
 
May 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
May 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
May 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) -0.5 ppb (0) N/A N/A 20.0
 
May 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) -0.1 ppb (0) N/A N/A 22.0
 
May 17, 2019, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
May 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
May 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) -0.4 ppb (0) N/A N/A 22.0
 
May 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
May 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
May 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0