ID: 153

AQSQID: 060372005

Site Name: Pasadena

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

Updated: July 30, 2021, 8 p.m.

Location: Pasadena (S), CA

Reporting: True, Located: True

Current AQI: 43.0

Pasadena (S) CA, US: 34.13263, -118.127142

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 30, 2021, 6 p.m. 26.1 ppb (25) 4.9 ppb (5) N/A 21.0 ppb (20) N/A N/A 46.0 ppb (43) 0.48 ppb (6) N/A N/A 43.0
 
July 30, 2021, 5 p.m. 37.5 ppb (36) 12.0 ppb (12) N/A 26.0 ppb (25) N/A N/A 26.0 ppb (25) 0.55 ppb (7) N/A N/A 36.0
 
July 30, 2021, 4 p.m. 34.8 ppb (33) 13.2 ppb (13) N/A 22.0 ppb (21) N/A N/A 17.0 ppb (16) 0.54 ppb (6) N/A N/A 33.0
 
July 30, 2021, 3 p.m. 24.6 ppb (24) 8.4 ppb (8) N/A 16.0 ppb (16) N/A N/A 13.0 ppb (13) 0.44 ppb (5) N/A N/A 24.0
 
July 30, 2021, 2 p.m. 18.4 ppb (18) 5.3 ppb (5) N/A 13.0 ppb (13) N/A N/A 11.0 ppb (11) 0.34 ppb (4) N/A N/A 18.0
 
July 30, 2021, 1 p.m. 18.8 ppb (18) 4.3 ppb (5) N/A 15.0 ppb (15) N/A N/A 3.0 ppb (3) 0.34 ppb (4) N/A N/A 18.0
 
July 30, 2021, noon 17.9 ppb (17) 1.7 ppb (2) N/A 16.0 ppb (16) N/A N/A 3.0 ppb (3) 0.34 ppb (4) N/A N/A 17.0
 
July 30, 2021, 11 a.m. 16.2 ppb (16) 1.1 ppb (2) N/A 15.0 ppb (15) N/A N/A 3.0 ppb (3) 0.31 ppb (4) N/A N/A 16.0
 
July 30, 2021, 10 a.m. 17.2 ppb (17) 1.1 ppb (2) N/A 16.0 ppb (16) N/A N/A 4.0 ppb (4) 0.31 ppb (4) N/A N/A 17.0
 
July 30, 2021, 9 a.m. 15.5 ppb (15) 0.9 ppb (1) N/A 15.0 ppb (15) N/A N/A 6.0 ppb (6) 0.29 ppb (4) N/A N/A 15.0
 
July 30, 2021, 8 a.m. 15.3 ppb (15) 0.6 ppb (1) N/A 15.0 ppb (15) N/A N/A 9.0 ppb (9) 0.28 ppb (4) N/A N/A 15.0
 
July 30, 2021, 7 a.m. 15.9 ppb (15) 0.6 ppb (1) N/A 15.0 ppb (15) N/A N/A 9.0 ppb (9) 0.28 ppb (4) N/A N/A 15.0
 
July 30, 2021, 6 a.m. 15.0 ppb (15) 0.4 ppb (1) N/A 15.0 ppb (15) N/A N/A 14.0 ppb (13) 0.26 ppb (4) N/A N/A 15.0
 
July 30, 2021, 5 a.m. 14.4 ppb (14) 0.3 ppb (1) N/A 14.0 ppb (14) N/A N/A 17.0 ppb (16) 0.27 ppb (4) N/A N/A 16.0
 
July 30, 2021, 4 a.m. 10.4 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) 0.25 ppb (3) N/A N/A 20.0
 
July 30, 2021, 3 a.m. 8.9 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) 0.24 ppb (3) N/A N/A 25.0
 
July 30, 2021, 2 a.m. 7.1 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 30.0 ppb (28) 0.22 ppb (3) N/A N/A 28.0
 
July 30, 2021, 1 a.m. 5.4 ppb (6) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.2 ppb (3) N/A N/A 34.0
 
July 30, 2021, midnight 5.6 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) 0.2 ppb (3) N/A N/A 37.0
 
July 29, 2021, 11 p.m. 5.3 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (40) 0.2 ppb (3) N/A N/A 40.0
 
July 29, 2021, 10 p.m. 6.1 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 59.0 ppb (65) 0.22 ppb (3) N/A N/A 65.0
 
July 29, 2021, 9 p.m. 7.9 ppb (8) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 71.0 ppb (101) 0.28 ppb (4) N/A N/A 101.0
 
July 29, 2021, 8 p.m. 15.3 ppb (15) 1.8 ppb (2) N/A 14.0 ppb (14) N/A N/A 62.0 ppb (74) 0.36 ppb (5) N/A N/A 74.0
 
July 29, 2021, 7 p.m. 23.7 ppb (23) 3.0 ppb (3) N/A 21.0 ppb (20) N/A N/A 62.0 ppb (74) 0.46 ppb (6) N/A N/A 74.0
 
July 29, 2021, 6 p.m. 23.4 ppb (23) 3.7 ppb (4) N/A 20.0 ppb (19) N/A N/A 51.0 ppb (48) 0.45 ppb (6) N/A N/A 48.0
 
July 29, 2021, 5 p.m. 10.9 ppb (11) 1.6 ppb (2) N/A 9.0 ppb (9) N/A N/A 46.0 ppb (43) 0.29 ppb (4) N/A N/A 43.0
 
July 29, 2021, 4 p.m. 15.5 ppb (15) 3.5 ppb (4) N/A 12.0 ppb (12) N/A N/A 33.0 ppb (31) 0.31 ppb (4) N/A N/A 31.0
 
July 29, 2021, 3 p.m. 22.0 ppb (21) 6.4 ppb (7) N/A 16.0 ppb (16) N/A N/A 21.0 ppb (20) 0.34 ppb (4) N/A N/A 21.0
 
July 29, 2021, 2 p.m. 29.4 ppb (28) 11.7 ppb (12) N/A 18.0 ppb (17) N/A N/A 9.0 ppb (9) 0.43 ppb (5) N/A N/A 28.0
 
July 29, 2021, 1 p.m. 20.7 ppb (20) 4.5 ppb (5) N/A 16.0 ppb (16) N/A N/A 5.0 ppb (5) 0.34 ppb (4) N/A N/A 20.0
 
July 29, 2021, noon 19.1 ppb (19) 2.2 ppb (3) N/A 17.0 ppb (17) N/A N/A 3.0 ppb (3) 0.33 ppb (4) N/A N/A 19.0
 
July 29, 2021, 11 a.m. 18.8 ppb (18) 1.5 ppb (2) N/A 17.0 ppb (17) N/A N/A 4.0 ppb (4) 0.33 ppb (4) N/A N/A 18.0
 
July 29, 2021, 10 a.m. 19.7 ppb (19) 1.4 ppb (2) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (4) 0.32 ppb (4) N/A N/A 19.0
 
July 29, 2021, 9 a.m. 17.3 ppb (17) 1.0 ppb (1) N/A 16.0 ppb (16) N/A N/A 7.0 ppb (7) 0.3 ppb (4) N/A N/A 17.0
 
July 29, 2021, 8 a.m. 18.6 ppb (18) 1.1 ppb (2) N/A 17.0 ppb (17) N/A N/A 6.0 ppb (6) 0.31 ppb (4) N/A N/A 18.0
 
July 29, 2021, 7 a.m. 19.6 ppb (19) 0.8 ppb (1) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (9) 0.3 ppb (4) N/A N/A 19.0
 
July 29, 2021, 6 a.m. 17.8 ppb (17) 0.8 ppb (1) N/A 17.0 ppb (17) N/A N/A 11.0 ppb (11) 0.29 ppb (4) N/A N/A 17.0
 
July 29, 2021, 5 a.m. 15.4 ppb (15) 0.5 ppb (1) N/A 15.0 ppb (15) N/A N/A 16.0 ppb (15) 0.3 ppb (4) N/A N/A 15.0
 
July 29, 2021, 4 a.m. 10.7 ppb (11) 0.2 ppb (1) N/A 11.0 ppb (11) N/A N/A 24.0 ppb (23) 0.26 ppb (4) N/A N/A 23.0
 
July 29, 2021, 3 a.m. 7.1 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 36.0 ppb (34) 0.22 ppb (3) N/A N/A 34.0
 
July 29, 2021, 2 a.m. 5.5 ppb (6) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (40) 0.2 ppb (3) N/A N/A 40.0
 
July 29, 2021, 1 a.m. 5.7 ppb (6) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) 0.22 ppb (3) N/A N/A 42.0
 
July 29, 2021, midnight 4.7 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) 0.19 ppb (3) N/A N/A 43.0
 
July 28, 2021, 11 p.m. 5.5 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 51.0 ppb (48) 0.2 ppb (3) N/A N/A 48.0
 
July 28, 2021, 10 p.m. 6.3 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 55.0 ppb (51) 0.22 ppb (3) N/A N/A 51.0
 
July 28, 2021, 9 p.m. 5.9 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 55.0 ppb (51) 0.21 ppb (3) N/A N/A 51.0
 
July 28, 2021, 8 p.m. 8.6 ppb (9) 0.8 ppb (1) N/A 8.0 ppb (8) N/A N/A 60.0 ppb (68) 0.27 ppb (4) N/A N/A 68.0
 
July 28, 2021, 7 p.m. 21.2 ppb (20) 3.0 ppb (3) N/A 18.0 ppb (17) N/A N/A 56.0 ppb (55) 0.4 ppb (5) N/A N/A 55.0
 
July 28, 2021, 6 p.m. 24.2 ppb (23) 4.1 ppb (4) N/A 20.0 ppb (19) N/A N/A 49.0 ppb (46) 0.47 ppb (6) N/A N/A 46.0
 
July 28, 2021, 5 p.m. 13.3 ppb (13) 2.4 ppb (3) N/A 11.0 ppb (11) N/A N/A 45.0 ppb (42) 0.35 ppb (4) N/A N/A 42.0
 
July 28, 2021, 4 p.m. 16.4 ppb (16) 3.8 ppb (4) N/A 13.0 ppb (13) N/A N/A 28.0 ppb (26) 0.41 ppb (5) N/A N/A 26.0
 
July 28, 2021, 3 p.m. 25.1 ppb (24) 10.2 ppb (10) N/A 15.0 ppb (15) N/A N/A 14.0 ppb (13) 0.41 ppb (5) N/A N/A 24.0
 
July 28, 2021, 2 p.m. 29.5 ppb (28) 14.2 ppb (14) N/A 15.0 ppb (15) N/A N/A 7.0 ppb (7) 0.42 ppb (5) N/A N/A 28.0
 
July 28, 2021, 1 p.m. 11.7 ppb (12) 2.6 ppb (3) N/A 9.0 ppb (9) N/A N/A 5.0 ppb (5) 0.27 ppb (4) N/A N/A 12.0
 
July 28, 2021, noon 10.5 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (9) N/A N/A 4.0 ppb (4) 0.25 ppb (3) N/A N/A 10.0
 
July 28, 2021, 11 a.m. 10.8 ppb (11) 1.8 ppb (2) N/A 9.0 ppb (9) N/A N/A 4.0 ppb (4) 0.26 ppb (4) N/A N/A 11.0
 
July 28, 2021, 10 a.m. 11.5 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (10) N/A N/A 5.0 ppb (5) 0.27 ppb (4) N/A N/A 11.0
 
July 28, 2021, 9 a.m. 10.8 ppb (11) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A 8.0 ppb (8) 0.28 ppb (4) N/A N/A 11.0
 
July 28, 2021, 8 a.m. 12.6 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (12) N/A N/A 8.0 ppb (8) 0.31 ppb (4) N/A N/A 12.0
 
July 28, 2021, 7 a.m. 12.7 ppb (12) 0.7 ppb (1) N/A 12.0 ppb (12) N/A N/A 9.0 ppb (9) 0.33 ppb (4) N/A N/A 12.0
 
July 28, 2021, 6 a.m. 11.8 ppb (12) 0.8 ppb (1) N/A 11.0 ppb (11) N/A N/A 14.0 ppb (13) 0.3 ppb (4) N/A N/A 13.0
 
July 28, 2021, 5 a.m. 11.3 ppb (11) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) 0.3 ppb (4) N/A N/A 18.0
 
July 28, 2021, 4 a.m. 9.7 ppb (10) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) 0.29 ppb (4) N/A N/A 23.0
 
July 28, 2021, 3 a.m. 8.6 ppb (9) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) 0.27 ppb (4) N/A N/A 30.0
 
July 28, 2021, 2 a.m. 7.8 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 41.0 ppb (38) 0.28 ppb (4) N/A N/A 38.0
 
July 28, 2021, 1 a.m. 8.2 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 47.0 ppb (44) 0.27 ppb (4) N/A N/A 44.0
 
July 28, 2021, midnight 6.0 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 57.0 ppb (58) 0.24 ppb (3) N/A N/A 58.0
 
July 27, 2021, 11 p.m. 6.7 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 65.0 ppb (84) 0.25 ppb (3) N/A N/A 84.0
 
July 27, 2021, 10 p.m. 6.7 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 73.0 ppb (103) 0.28 ppb (4) N/A N/A 103.0
 
July 27, 2021, 9 p.m. 7.4 ppb (7) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 77.0 ppb (105) 0.32 ppb (4) N/A N/A 105.0
 
July 27, 2021, 8 p.m. 8.6 ppb (9) 0.7 ppb (1) N/A 8.0 ppb (8) N/A N/A 74.0 ppb (103) 0.34 ppb (4) N/A N/A 103.0
 
July 27, 2021, 7 p.m. 13.1 ppb (13) 1.5 ppb (2) N/A 12.0 ppb (12) N/A N/A 62.0 ppb (74) 0.39 ppb (5) N/A N/A 74.0
 
July 27, 2021, 6 p.m. 15.0 ppb (15) 2.7 ppb (3) N/A 12.0 ppb (12) N/A N/A 46.0 ppb (43) 0.39 ppb (5) N/A N/A 43.0
 
July 27, 2021, 5 p.m. 10.9 ppb (11) 2.6 ppb (3) N/A 8.0 ppb (8) N/A N/A 33.0 ppb (31) 0.32 ppb (4) N/A N/A 31.0
 
July 27, 2021, 4 p.m. 9.9 ppb (10) 2.9 ppb (3) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) 0.29 ppb (4) N/A N/A 22.0
 
July 27, 2021, 3 p.m. 9.1 ppb (9) 2.6 ppb (3) N/A 7.0 ppb (7) N/A N/A 17.0 ppb (16) 0.25 ppb (3) N/A N/A 16.0
 
July 27, 2021, 2 p.m. 9.2 ppb (9) 1.7 ppb (2) N/A 7.0 ppb (7) N/A N/A 13.0 ppb (13) 0.23 ppb (3) N/A N/A 13.0
 
July 27, 2021, 1 p.m. 7.4 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A 14.0 ppb (13) 0.21 ppb (3) N/A N/A 13.0
 
July 27, 2021, noon 6.5 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (15) 0.2 ppb (3) N/A N/A 15.0
 
July 27, 2021, 11 a.m. 6.6 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (13) 0.19 ppb (3) N/A N/A 13.0
 
July 27, 2021, 10 a.m. 8.3 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 12.0 ppb (12) 0.21 ppb (3) N/A N/A 12.0
 
July 27, 2021, 9 a.m. 10.1 ppb (10) 0.7 ppb (1) N/A 9.0 ppb (9) N/A N/A 10.0 ppb (10) 0.25 ppb (3) N/A N/A 10.0
 
July 27, 2021, 8 a.m. 10.6 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (10) N/A N/A 9.0 ppb (9) 0.26 ppb (4) N/A N/A 10.0
 
July 27, 2021, 7 a.m. 10.6 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A 11.0 ppb (11) 0.26 ppb (4) N/A N/A 11.0
 
July 27, 2021, 6 a.m. 10.3 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A 12.0 ppb (12) 0.25 ppb (3) N/A N/A 12.0
 
July 27, 2021, 5 a.m. 8.3 ppb (8) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 20.0 ppb (19) 0.23 ppb (3) N/A N/A 19.0
 
July 27, 2021, 4 a.m. 7.4 ppb (7) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) 0.23 ppb (3) N/A N/A 24.0
 
July 27, 2021, 3 a.m. 7.4 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) 0.23 ppb (3) N/A N/A 30.0
 
July 27, 2021, 2 a.m. 7.2 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 41.0 ppb (38) 0.23 ppb (3) N/A N/A 38.0
 
July 27, 2021, 1 a.m. 8.1 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 45.0 ppb (42) 0.28 ppb (4) N/A N/A 42.0
 
July 27, 2021, midnight 8.0 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 45.0 ppb (42) 0.26 ppb (4) N/A N/A 42.0
 
July 26, 2021, 11 p.m. 10.0 ppb (10) 1.4 ppb (2) N/A 9.0 ppb (9) N/A N/A 45.0 ppb (42) 0.29 ppb (4) N/A N/A 42.0
 
July 26, 2021, 10 p.m. 12.3 ppb (12) 1.8 ppb (2) N/A 11.0 ppb (11) N/A N/A 41.0 ppb (38) 0.35 ppb (4) N/A N/A 38.0
 
July 26, 2021, 9 p.m. 11.6 ppb (11) 1.6 ppb (2) N/A 10.0 ppb (10) N/A N/A 37.0 ppb (35) 0.38 ppb (5) N/A N/A 35.0
 
July 26, 2021, 8 p.m. 13.6 ppb (13) 2.5 ppb (3) N/A 11.0 ppb (11) N/A N/A 32.0 ppb (30) 0.33 ppb (4) N/A N/A 30.0
 
July 26, 2021, 7 p.m. 14.1 ppb (14) 2.2 ppb (3) N/A 12.0 ppb (12) N/A N/A 35.0 ppb (33) 0.35 ppb (4) N/A N/A 33.0
 
July 26, 2021, 6 p.m. 9.7 ppb (10) 1.7 ppb (2) N/A 8.0 ppb (8) N/A N/A 34.0 ppb (32) 0.29 ppb (4) N/A N/A 32.0
 
July 26, 2021, 5 p.m. 12.2 ppb (12) 2.7 ppb (3) N/A 10.0 ppb (10) N/A N/A 26.0 ppb (25) 0.3 ppb (4) N/A N/A 25.0
 
July 26, 2021, 4 p.m. 15.0 ppb (15) 3.5 ppb (4) N/A 12.0 ppb (12) N/A N/A 16.0 ppb (15) 0.32 ppb (4) N/A N/A 15.0
 
July 26, 2021, 3 p.m. 16.7 ppb (16) 4.3 ppb (5) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) 0.31 ppb (4) N/A N/A 16.0
 
July 26, 2021, 2 p.m. 17.1 ppb (17) 3.0 ppb (3) N/A 14.0 ppb (14) N/A N/A 8.0 ppb (8) 0.31 ppb (4) N/A N/A 17.0
 
July 26, 2021, 1 p.m. 12.6 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (12) N/A N/A 9.0 ppb (9) 0.28 ppb (4) N/A N/A 12.0
 
July 26, 2021, noon 11.1 ppb (11) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A 9.0 ppb (9) 0.29 ppb (4) N/A N/A 11.0
 
July 26, 2021, 11 a.m. 10.3 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 12.0 ppb (12) 0.29 ppb (4) N/A N/A 12.0
 
July 26, 2021, 10 a.m. 9.6 ppb (10) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 14.0 ppb (13) 0.28 ppb (4) N/A N/A 13.0
 
July 26, 2021, 9 a.m. 8.4 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 19.0 ppb (18) 0.27 ppb (4) N/A N/A 18.0
 
July 26, 2021, 8 a.m. 7.6 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) 0.27 ppb (4) N/A N/A 22.0
 
July 26, 2021, 7 a.m. 6.6 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) 0.25 ppb (3) N/A N/A 22.0
 
July 26, 2021, 6 a.m. 6.4 ppb (7) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.24 ppb (3) N/A N/A 24.0
 
July 26, 2021, 5 a.m. 6.3 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) 0.24 ppb (3) N/A N/A 26.0
 
July 26, 2021, 4 a.m. 5.9 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.23 ppb (3) N/A N/A 29.0
 
July 26, 2021, 3 a.m. 5.8 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) 0.23 ppb (3) N/A N/A 34.0
 
July 26, 2021, 2 a.m. 7.2 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 41.0 ppb (38) 0.24 ppb (3) N/A N/A 38.0
 
July 26, 2021, 1 a.m. 5.2 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 48.0 ppb (45) 0.22 ppb (3) N/A N/A 45.0
 
July 26, 2021, midnight 5.4 ppb (6) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 52.0 ppb (49) 0.22 ppb (3) N/A N/A 49.0
 
July 25, 2021, 11 p.m. 6.2 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 58.0 ppb (61) 0.24 ppb (3) N/A N/A 61.0
 
July 25, 2021, 10 p.m. 6.4 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 68.0 ppb (94) 0.25 ppb (3) N/A N/A 94.0
 
July 25, 2021, 9 p.m. 5.5 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 73.0 ppb (103) 0.24 ppb (3) N/A N/A 103.0
 
July 25, 2021, 8 p.m. 4.2 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 63.0 ppb (78) 0.24 ppb (3) N/A N/A 78.0
 
July 25, 2021, 7 p.m. 4.5 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 57.0 ppb (58) 0.24 ppb (3) N/A N/A 58.0
 
July 25, 2021, 6 p.m. 5.8 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 51.0 ppb (48) 0.25 ppb (3) N/A N/A 48.0
 
July 25, 2021, 5 p.m. 8.4 ppb (8) 1.3 ppb (2) N/A 7.0 ppb (7) N/A N/A 42.0 ppb (39) 0.27 ppb (4) N/A N/A 39.0
 
July 25, 2021, 4 p.m. 11.0 ppb (11) 2.3 ppb (3) N/A 9.0 ppb (9) N/A N/A 32.0 ppb (30) 0.28 ppb (4) N/A N/A 30.0
 
July 25, 2021, 3 p.m. 14.3 ppb (14) 3.5 ppb (4) N/A 11.0 ppb (11) N/A N/A 23.0 ppb (22) 0.28 ppb (4) N/A N/A 22.0
 
July 25, 2021, 2 p.m. 14.4 ppb (14) 2.8 ppb (3) N/A 12.0 ppb (12) N/A N/A 17.0 ppb (16) 0.29 ppb (4) N/A N/A 16.0
 
July 25, 2021, 1 p.m. 11.0 ppb (11) 1.4 ppb (2) N/A 10.0 ppb (10) N/A N/A 10.0 ppb (10) 0.25 ppb (3) N/A N/A 11.0
 
July 25, 2021, noon 10.8 ppb (11) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A 10.0 ppb (10) 0.24 ppb (3) N/A N/A 11.0
 
July 25, 2021, 11 a.m. 9.9 ppb (10) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 12.0 ppb (12) 0.24 ppb (3) N/A N/A 12.0
 
July 25, 2021, 10 a.m. 10.0 ppb (10) 0.5 ppb (1) N/A 9.0 ppb (9) N/A N/A 16.0 ppb (15) 0.24 ppb (3) N/A N/A 15.0
 
July 25, 2021, 9 a.m. 10.6 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) 0.25 ppb (3) N/A N/A 17.0
 
July 25, 2021, 8 a.m. 10.8 ppb (11) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) 0.26 ppb (4) N/A N/A 19.0
 
July 25, 2021, 7 a.m. 8.0 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 26.0 ppb (25) 0.27 ppb (4) N/A N/A 25.0
 
July 25, 2021, 6 a.m. 7.8 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) 0.27 ppb (4) N/A N/A 26.0
 
July 25, 2021, 5 a.m. 7.9 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (8) N/A N/A 29.0 ppb (27) 0.26 ppb (4) N/A N/A 27.0
 
July 25, 2021, 4 a.m. 7.5 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) 0.25 ppb (3) N/A N/A 29.0
 
July 25, 2021, 3 a.m. 8.0 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 34.0 ppb (32) 0.26 ppb (4) N/A N/A 32.0
 
July 25, 2021, 2 a.m. 8.2 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 42.0 ppb (39) 0.26 ppb (4) N/A N/A 39.0
 
July 25, 2021, 1 a.m. 7.2 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 51.0 ppb (48) 0.26 ppb (4) N/A N/A 48.0
 
July 25, 2021, midnight 7.6 ppb (8) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 54.0 ppb (50) 0.26 ppb (4) N/A N/A 50.0
 
July 24, 2021, 11 p.m. 8.0 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A 64.0 ppb (81) 0.28 ppb (4) N/A N/A 81.0
 
July 24, 2021, 10 p.m. 7.4 ppb (7) 0.3 ppb (1) N/A 7.0 ppb (7) N/A N/A 72.0 ppb (102) 0.29 ppb (4) N/A N/A 102.0
 
July 24, 2021, 9 p.m. 8.6 ppb (9) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 72.0 ppb (102) 0.31 ppb (4) N/A N/A 102.0
 
July 24, 2021, 8 p.m. 9.3 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (9) N/A N/A 69.0 ppb (97) 0.31 ppb (4) N/A N/A 97.0
 
July 24, 2021, 7 p.m. 9.7 ppb (10) 0.8 ppb (1) N/A 9.0 ppb (9) N/A N/A 64.0 ppb (81) 0.32 ppb (4) N/A N/A 81.0
 
July 24, 2021, 6 p.m. 10.1 ppb (10) 1.2 ppb (2) N/A 9.0 ppb (9) N/A N/A 55.0 ppb (51) 0.32 ppb (4) N/A N/A 51.0
 
July 24, 2021, 5 p.m. 13.3 ppb (13) 2.8 ppb (3) N/A 11.0 ppb (11) N/A N/A 40.0 ppb (38) 0.34 ppb (4) N/A N/A 38.0
 
July 24, 2021, 4 p.m. 13.4 ppb (13) 3.2 ppb (4) N/A 10.0 ppb (10) N/A N/A 28.0 ppb (26) 0.33 ppb (4) N/A N/A 26.0
 
July 24, 2021, 3 p.m. 11.9 ppb (12) 2.6 ppb (3) N/A 9.0 ppb (9) N/A N/A 20.0 ppb (19) 0.33 ppb (4) N/A N/A 19.0
 
July 24, 2021, 2 p.m. 11.3 ppb (11) 2.1 ppb (2) N/A 9.0 ppb (9) N/A N/A 15.0 ppb (14) 0.3 ppb (4) N/A N/A 14.0
 
July 24, 2021, 1 p.m. 10.5 ppb (10) 1.3 ppb (2) N/A 9.0 ppb (9) N/A N/A 9.0 ppb (9) 0.28 ppb (4) N/A N/A 10.0
 
July 24, 2021, noon 10.3 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (9) N/A N/A 10.0 ppb (10) 0.28 ppb (4) N/A N/A 10.0
 
July 24, 2021, 11 a.m. 10.0 ppb (10) 0.7 ppb (1) N/A 9.0 ppb (9) N/A N/A 14.0 ppb (13) 0.29 ppb (4) N/A N/A 13.0
 
July 24, 2021, 10 a.m. 10.5 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 17.0 ppb (16) 0.29 ppb (4) N/A N/A 16.0
 
July 24, 2021, 9 a.m. 10.8 ppb (11) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 18.0 ppb (17) 0.29 ppb (4) N/A N/A 17.0
 
July 24, 2021, 8 a.m. 11.2 ppb (11) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A 18.0 ppb (17) 0.31 ppb (4) N/A N/A 17.0
 
July 24, 2021, 7 a.m. 10.5 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.3 ppb (4) N/A N/A 19.0
 
July 24, 2021, 6 a.m. 9.4 ppb (9) 0.3 ppb (1) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) 0.29 ppb (4) N/A N/A 22.0
 
July 24, 2021, 5 a.m. 8.4 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) 0.28 ppb (4) N/A N/A 25.0
 
July 24, 2021, 4 a.m. 7.9 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 30.0 ppb (28) 0.26 ppb (4) N/A N/A 28.0
 
July 24, 2021, 3 a.m. 8.5 ppb (9) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 34.0 ppb (32) 0.27 ppb (4) N/A N/A 32.0
 
July 24, 2021, 2 a.m. 8.3 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 39.0 ppb (37) 0.27 ppb (4) N/A N/A 37.0
 
July 24, 2021, 1 a.m. 7.7 ppb (8) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 51.0 ppb (48) 0.28 ppb (4) N/A N/A 48.0
 
July 24, 2021, midnight 8.1 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 60.0 ppb (68) 0.3 ppb (4) N/A N/A 68.0
 
July 23, 2021, 11 p.m. 9.5 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 67.0 ppb (91) 0.29 ppb (4) N/A N/A 91.0
 
July 23, 2021, 10 p.m. 10.3 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (10) N/A N/A 70.0 ppb (100) 0.3 ppb (4) N/A N/A 100.0
 
July 23, 2021, 9 p.m. 13.7 ppb (13) 1.5 ppb (2) N/A 12.0 ppb (12) N/A N/A 62.0 ppb (74) 0.3 ppb (4) N/A N/A 74.0
 
July 23, 2021, 8 p.m. 15.9 ppb (15) 2.1 ppb (2) N/A 14.0 ppb (14) N/A N/A 56.0 ppb (55) 0.33 ppb (4) N/A N/A 55.0
 
July 23, 2021, 7 p.m. 15.4 ppb (15) 2.4 ppb (3) N/A 13.0 ppb (13) N/A N/A 52.0 ppb (49) 0.36 ppb (5) N/A N/A 49.0