AQSQID: 060370002

Site Name: Azusa

Location: Azusa, CA

Reporting: True, Located: True

Current AQI: 12.0

Azusa CA, US: 34.135601, -117.922798

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 23, 2019, 2 p.m. 8.6 ppb (8) 3.9 ppb (4) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) 0.27 ppb (3) N/A N/A 12.0
 
March 23, 2019, 1 p.m. 6.7 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) 0.3 ppb (3) N/A N/A 11.0
 
March 23, 2019, noon 13.0 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) 0.37 ppb (4) N/A N/A 12.0
 
March 23, 2019, 11 a.m. 4.0 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) 0.27 ppb (3) N/A N/A 12.0
 
March 23, 2019, 10 a.m. 7.5 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.29 ppb (3) N/A N/A 12.0
 
March 23, 2019, 9 a.m. 8.2 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.29 ppb (3) N/A N/A 14.0
 
March 23, 2019, 8 a.m. 10.6 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) 0.32 ppb (4) N/A N/A 13.0
 
March 23, 2019, 7 a.m. 15.6 ppb (14) 1.0 ppb (1) N/A 15.0 ppb (14) N/A N/A 18.0 ppb (14) 0.36 ppb (4) N/A N/A 14.0
 
March 23, 2019, 6 a.m. 14.3 ppb (13) 1.5 ppb (1) N/A 13.0 ppb (12) N/A N/A 21.0 ppb (16) 0.39 ppb (4) N/A N/A 16.0
 
March 23, 2019, 5 a.m. 7.9 ppb (7) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.29 ppb (3) N/A N/A 21.0
 
March 23, 2019, 4 a.m. 12.0 ppb (11) 0.5 ppb (0) N/A 12.0 ppb (11) N/A N/A 32.0 ppb (25) 0.3 ppb (3) N/A N/A 25.0
 
March 23, 2019, 3 a.m. 14.3 ppb (13) 0.7 ppb (1) N/A 14.0 ppb (13) N/A N/A 37.0 ppb (28) 0.35 ppb (4) N/A N/A 28.0
 
March 23, 2019, 2 a.m. 15.6 ppb (14) 0.6 ppb (1) N/A 15.0 ppb (14) N/A N/A 36.0 ppb (28) 0.3 ppb (3) N/A N/A 28.0
 
March 23, 2019, 1 a.m. 15.9 ppb (15) 1.3 ppb (1) N/A 15.0 ppb (14) N/A N/A 44.0 ppb (34) 0.3 ppb (3) N/A N/A 34.0
 
March 23, 2019, midnight 17.6 ppb (16) 2.1 ppb (2) N/A 15.0 ppb (14) N/A N/A 48.0 ppb (37) 0.33 ppb (4) N/A N/A 37.0
 
March 22, 2019, 11 p.m. 17.0 ppb (16) 2.7 ppb (3) N/A 14.0 ppb (13) N/A N/A 51.0 ppb (39) 0.34 ppb (4) N/A N/A 39.0
 
March 22, 2019, 10 p.m. 11.9 ppb (11) 2.1 ppb (2) N/A 10.0 ppb (9) N/A N/A 52.0 ppb (40) 0.32 ppb (4) N/A N/A 40.0
 
March 22, 2019, 9 p.m. 11.5 ppb (11) 2.4 ppb (2) N/A 9.0 ppb (8) N/A N/A 46.0 ppb (35) 0.28 ppb (3) N/A N/A 35.0
 
March 22, 2019, 8 p.m. 11.2 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A 44.0 ppb (34) 0.28 ppb (3) N/A N/A 34.0
 
March 22, 2019, 7 p.m. 10.8 ppb (10) 2.6 ppb (2) N/A 8.0 ppb (7) N/A N/A 45.0 ppb (35) 0.27 ppb (3) N/A N/A 35.0
 
March 22, 2019, 6 p.m. 9.6 ppb (9) 2.5 ppb (2) N/A 7.0 ppb (6) N/A N/A 45.0 ppb (35) 0.27 ppb (3) N/A N/A 35.0
 
March 22, 2019, 5 p.m. 13.0 ppb (12) 3.5 ppb (3) N/A 10.0 ppb (9) N/A N/A 40.0 ppb (31) 0.27 ppb (3) N/A N/A 31.0
 
March 22, 2019, 4 p.m. 17.8 ppb (16) 6.1 ppb (6) N/A 12.0 ppb (11) N/A N/A 30.0 ppb (23) 0.33 ppb (4) N/A N/A 23.0
 
March 22, 2019, 3 p.m. 5.5 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.24 ppb (3) N/A N/A 19.0
 
March 22, 2019, 2 p.m. 4.0 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.23 ppb (3) N/A N/A 17.0
 
March 22, 2019, 1 p.m. 4.1 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.24 ppb (3) N/A N/A 16.0
 
March 22, 2019, noon 9.1 ppb (8) 2.3 ppb (2) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.25 ppb (3) N/A N/A 12.0
 
March 22, 2019, 11 a.m. 9.1 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) 0.26 ppb (3) N/A N/A 13.0
 
March 22, 2019, 10 a.m. 23.8 ppb (22) 1.0 ppb (1) N/A 23.0 ppb (21) N/A N/A 16.0 ppb (12) 0.34 ppb (4) N/A N/A 22.0
 
March 22, 2019, 9 a.m. 15.4 ppb (14) 0.7 ppb (1) N/A 15.0 ppb (14) N/A N/A 26.0 ppb (20) 0.3 ppb (3) N/A N/A 20.0
 
March 22, 2019, 8 a.m. 11.7 ppb (11) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 33.0 ppb (25) 0.27 ppb (3) N/A N/A 25.0
 
March 22, 2019, 7 a.m. 11.4 ppb (11) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 36.0 ppb (28) 0.27 ppb (3) N/A N/A 28.0
 
March 22, 2019, 6 a.m. 13.6 ppb (13) 0.5 ppb (0) N/A 13.0 ppb (12) N/A N/A 34.0 ppb (26) 0.27 ppb (3) N/A N/A 26.0
 
March 22, 2019, 5 a.m. 12.2 ppb (11) 0.5 ppb (0) N/A 12.0 ppb (11) N/A N/A 37.0 ppb (28) 0.27 ppb (3) N/A N/A 28.0
 
March 22, 2019, 4 a.m. 10.7 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 37.0 ppb (28) 0.26 ppb (3) N/A N/A 28.0
 
March 22, 2019, 3 a.m. 7.7 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 40.0 ppb (31) 0.23 ppb (3) N/A N/A 31.0
 
March 22, 2019, 2 a.m. 6.7 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (33) 0.23 ppb (3) N/A N/A 33.0
 
March 22, 2019, 1 a.m. 12.1 ppb (11) 0.5 ppb (0) N/A 12.0 ppb (11) N/A N/A 41.0 ppb (32) 0.26 ppb (3) N/A N/A 32.0
 
March 22, 2019, midnight 15.0 ppb (14) 1.5 ppb (1) N/A 13.0 ppb (12) N/A N/A 42.0 ppb (32) 0.27 ppb (3) N/A N/A 32.0
 
March 21, 2019, 11 p.m. 11.6 ppb (11) 2.7 ppb (3) N/A 9.0 ppb (8) N/A N/A 47.0 ppb (36) 0.25 ppb (3) N/A N/A 36.0
 
March 21, 2019, 10 p.m. 13.4 ppb (12) 2.8 ppb (3) N/A 11.0 ppb (10) N/A N/A 44.0 ppb (34) 0.27 ppb (3) N/A N/A 34.0
 
March 21, 2019, 9 p.m. 10.8 ppb (10) 2.1 ppb (2) N/A 9.0 ppb (8) N/A N/A 46.0 ppb (35) 0.27 ppb (3) N/A N/A 35.0
 
March 21, 2019, 8 p.m. 11.9 ppb (11) 2.8 ppb (3) N/A 9.0 ppb (8) N/A N/A 44.0 ppb (34) 0.25 ppb (3) N/A N/A 34.0
 
March 21, 2019, 7 p.m. 12.0 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A N/A 43.0 ppb (33) 0.25 ppb (3) N/A N/A 33.0
 
March 21, 2019, 6 p.m. 10.5 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (7) N/A N/A 45.0 ppb (35) 0.26 ppb (3) N/A N/A 35.0
 
March 21, 2019, 5 p.m. 10.7 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A N/A 42.0 ppb (32) 0.23 ppb (3) N/A N/A 32.0
 
March 21, 2019, 4 p.m. 8.3 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) 0.23 ppb (3) N/A N/A 27.0
 
March 21, 2019, 3 p.m. 9.7 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.25 ppb (3) N/A N/A 21.0
 
March 21, 2019, 2 p.m. 11.7 ppb (11) 3.6 ppb (3) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.25 ppb (3) N/A N/A 14.0
 
March 21, 2019, 1 p.m. 6.9 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.22 ppb (2) N/A N/A 17.0
 
March 21, 2019, noon 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.19 ppb (2) N/A N/A 18.0
 
March 21, 2019, 11 a.m. 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.18 ppb (2) N/A N/A 19.0
 
March 21, 2019, 10 a.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.17 ppb (2) N/A N/A 19.0
 
March 21, 2019, 9 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
March 21, 2019, 8 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
March 21, 2019, 7 a.m. 2.8 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 0.19 ppb (2) N/A N/A 22.0
 
March 21, 2019, 6 a.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) 0.18 ppb (2) N/A N/A 23.0
 
March 21, 2019, 5 a.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.19 ppb (2) N/A N/A 25.0
 
March 21, 2019, 4 a.m. 3.2 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.2 ppb (2) N/A N/A 28.0
 
March 21, 2019, 3 a.m. 3.3 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.2 ppb (2) N/A N/A 28.0
 
March 21, 2019, 2 a.m. 3.4 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) 0.2 ppb (2) N/A N/A 33.0
 
March 21, 2019, 1 a.m. 3.4 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) 0.21 ppb (2) N/A N/A 37.0
 
March 21, 2019, midnight 5.8 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 47.0 ppb (36) 0.27 ppb (3) N/A N/A 36.0
 
March 20, 2019, 11 p.m. 11.2 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 43.0 ppb (33) 0.25 ppb (3) N/A N/A 33.0
 
March 20, 2019, 10 p.m. 12.8 ppb (12) 2.6 ppb (2) N/A 10.0 ppb (9) N/A N/A 45.0 ppb (35) 0.25 ppb (3) N/A N/A 35.0
 
March 20, 2019, 9 p.m. 15.6 ppb (14) 3.7 ppb (3) N/A 12.0 ppb (11) N/A N/A 42.0 ppb (32) 0.27 ppb (3) N/A N/A 32.0
 
March 20, 2019, 8 p.m. 7.9 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 47.0 ppb (36) 0.25 ppb (3) N/A N/A 36.0
 
March 20, 2019, 7 p.m. 8.0 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 44.0 ppb (34) 0.21 ppb (2) N/A N/A 34.0
 
March 20, 2019, 6 p.m. 14.8 ppb (14) 1.8 ppb (2) N/A 13.0 ppb (12) N/A N/A 39.0 ppb (30) 0.24 ppb (3) N/A N/A 30.0
 
March 20, 2019, 5 p.m. 7.7 ppb (7) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 44.0 ppb (34) 0.24 ppb (3) N/A N/A 34.0
 
March 20, 2019, 4 p.m. 8.0 ppb (7) 1.4 ppb (1) N/A 7.0 ppb (6) N/A N/A 43.0 ppb (33) 0.23 ppb (3) N/A N/A 33.0
 
March 20, 2019, 3 p.m. 9.1 ppb (8) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A 39.0 ppb (30) 0.24 ppb (3) N/A N/A 30.0
 
March 20, 2019, 2 p.m. 9.3 ppb (9) 1.9 ppb (2) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) 0.25 ppb (3) N/A N/A 26.0
 
March 20, 2019, 1 p.m. 5.1 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) 0.23 ppb (3) N/A N/A 28.0
 
March 20, 2019, noon 8.0 ppb (7) 1.3 ppb (1) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.23 ppb (3) N/A N/A 25.0
 
March 20, 2019, 11 a.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.19 ppb (2) N/A N/A 30.0
 
March 20, 2019, 10 a.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 0.18 ppb (2) N/A N/A 31.0
 
March 20, 2019, 9 a.m. 2.7 ppb (3) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) 0.18 ppb (2) N/A N/A 35.0
 
March 20, 2019, 8 a.m. 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) 0.18 ppb (2) N/A N/A 35.0
 
March 20, 2019, 7 a.m. 3.3 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) 0.19 ppb (2) N/A N/A 35.0
 
March 20, 2019, 6 a.m. 4.3 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) 0.21 ppb (2) N/A N/A 35.0
 
March 20, 2019, 5 a.m. 7.7 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 40.0 ppb (31) 0.23 ppb (3) N/A N/A 31.0
 
March 20, 2019, 4 a.m. 9.1 ppb (8) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 41.0 ppb (32) 0.24 ppb (3) N/A N/A 32.0
 
March 20, 2019, 3 a.m. 11.4 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 38.0 ppb (29) 0.25 ppb (3) N/A N/A 29.0
 
March 20, 2019, 2 a.m. 8.8 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 43.0 ppb (33) 0.25 ppb (3) N/A N/A 33.0
 
March 20, 2019, 1 a.m. 8.2 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 45.0 ppb (35) 0.24 ppb (3) N/A N/A 35.0
 
March 20, 2019, midnight 11.4 ppb (11) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A 52.0 ppb (40) 0.27 ppb (3) N/A N/A 40.0
 
March 19, 2019, 11 p.m. 12.4 ppb (11) 1.8 ppb (2) N/A 11.0 ppb (10) N/A N/A 58.0 ppb (45) 0.27 ppb (3) N/A N/A 45.0
 
March 19, 2019, 10 p.m. 11.4 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A N/A 60.0 ppb (46) 0.26 ppb (3) N/A N/A 46.0
 
March 19, 2019, 9 p.m. 12.1 ppb (11) 2.5 ppb (2) N/A 10.0 ppb (9) N/A N/A 60.0 ppb (46) 0.3 ppb (3) N/A N/A 46.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 19, 2019, 2 p.m. 89.4 ppb (88) 51.4 ppb (48) N/A 38.0 ppb (35) N/A N/A 5.0 ppb (4) 0.96 ppb (11) N/A N/A 88.0
 
March 19, 2019, 1 p.m. 82.0 ppb (80) 46.5 ppb (43) N/A 36.0 ppb (33) N/A N/A 6.0 ppb (5) 0.74 ppb (8) N/A N/A 80.0
 
March 19, 2019, noon 26.2 ppb (24) 4.0 ppb (4) N/A 22.0 ppb (20) N/A N/A 14.0 ppb (11) 0.41 ppb (5) N/A N/A 24.0
 
March 19, 2019, 11 a.m. 27.6 ppb (26) 3.4 ppb (3) N/A 24.0 ppb (22) N/A N/A 10.0 ppb (8) 0.39 ppb (4) N/A N/A 26.0
 
March 19, 2019, 10 a.m. 28.2 ppb (26) 2.7 ppb (3) N/A 25.0 ppb (23) N/A N/A 8.0 ppb (6) 0.39 ppb (4) N/A N/A 26.0
 
March 19, 2019, 9 a.m. 23.9 ppb (22) 1.5 ppb (1) N/A 22.0 ppb (20) N/A N/A 19.0 ppb (15) 0.34 ppb (4) N/A N/A 22.0
 
March 19, 2019, 8 a.m. 29.1 ppb (27) 1.5 ppb (1) N/A 28.0 ppb (26) N/A N/A 18.0 ppb (14) 0.36 ppb (4) N/A N/A 27.0
 
March 19, 2019, 7 a.m. 27.8 ppb (26) 1.3 ppb (1) N/A 27.0 ppb (25) N/A N/A 21.0 ppb (16) 0.35 ppb (4) N/A N/A 26.0
 
March 19, 2019, 6 a.m. 30.6 ppb (28) 1.3 ppb (1) N/A 29.0 ppb (27) N/A N/A 22.0 ppb (17) 0.39 ppb (4) N/A N/A 28.0
 
March 19, 2019, 5 a.m. 20.0 ppb (19) 0.8 ppb (1) N/A 19.0 ppb (18) N/A N/A 34.0 ppb (26) 0.32 ppb (4) N/A N/A 26.0
 
March 19, 2019, 4 a.m. 22.4 ppb (21) 0.8 ppb (1) N/A 22.0 ppb (20) N/A N/A 34.0 ppb (26) 0.35 ppb (4) N/A N/A 26.0
 
March 19, 2019, 3 a.m. 24.0 ppb (22) 0.6 ppb (1) N/A 23.0 ppb (21) N/A N/A 39.0 ppb (30) 0.35 ppb (4) N/A N/A 30.0
 
March 19, 2019, 2 a.m. 24.6 ppb (23) 0.9 ppb (1) N/A 24.0 ppb (22) N/A N/A 43.0 ppb (33) 0.35 ppb (4) N/A N/A 33.0
 
March 19, 2019, 1 a.m. 20.8 ppb (19) 0.8 ppb (1) N/A 20.0 ppb (19) N/A N/A 58.0 ppb (45) 0.35 ppb (4) N/A N/A 45.0
 
March 19, 2019, midnight 20.3 ppb (19) 1.6 ppb (1) N/A 19.0 ppb (18) N/A N/A 67.0 ppb (52) 0.36 ppb (4) N/A N/A 52.0
 
March 18, 2019, 11 p.m. 16.3 ppb (15) 1.8 ppb (2) N/A 14.0 ppb (13) N/A N/A 73.0 ppb (57) 0.32 ppb (4) N/A N/A 57.0
 
March 18, 2019, 10 p.m. 16.6 ppb (15) 2.2 ppb (2) N/A 14.0 ppb (13) N/A N/A 75.0 ppb (58) 0.34 ppb (4) N/A N/A 58.0
 
March 18, 2019, 9 p.m. 26.7 ppb (25) 4.5 ppb (4) N/A 22.0 ppb (20) N/A N/A 62.0 ppb (48) 0.45 ppb (5) N/A N/A 48.0
 
March 18, 2019, 8 p.m. 31.9 ppb (30) 6.7 ppb (6) N/A 25.0 ppb (23) N/A N/A 50.0 ppb (38) 0.47 ppb (5) N/A N/A 38.0
 
March 18, 2019, 7 p.m. 33.0 ppb (31) 8.6 ppb (8) N/A 24.0 ppb (22) N/A N/A 41.0 ppb (32) 0.42 ppb (5) N/A N/A 32.0
 
March 18, 2019, 6 p.m. 40.1 ppb (37) 11.8 ppb (11) N/A 28.0 ppb (26) N/A N/A 35.0 ppb (27) 0.49 ppb (5) N/A N/A 37.0
 
March 18, 2019, 5 p.m. 46.5 ppb (43) 16.2 ppb (15) N/A 30.0 ppb (28) N/A N/A 27.0 ppb (21) 0.54 ppb (6) N/A N/A 43.0
 
March 18, 2019, 4 p.m. 41.5 ppb (38) 14.4 ppb (13) N/A 27.0 ppb (25) N/A N/A 24.0 ppb (18) 0.52 ppb (6) N/A N/A 38.0
 
March 18, 2019, 3 p.m. 61.7 ppb (58) 28.5 ppb (26) N/A 33.0 ppb (31) N/A N/A 14.0 ppb (11) 0.55 ppb (6) N/A N/A 58.0
 
March 18, 2019, 2 p.m. 25.1 ppb (23) 4.6 ppb (4) N/A 21.0 ppb (19) N/A N/A 22.0 ppb (17) 0.39 ppb (4) N/A N/A 23.0
 
March 18, 2019, 1 p.m. 33.3 ppb (31) 5.3 ppb (5) N/A 28.0 ppb (26) N/A N/A 14.0 ppb (11) 0.48 ppb (5) N/A N/A 31.0
 
March 18, 2019, noon 29.7 ppb (28) 3.8 ppb (4) N/A 26.0 ppb (24) N/A N/A 14.0 ppb (11) 0.42 ppb (5) N/A N/A 28.0
 
March 18, 2019, 11 a.m. 19.6 ppb (18) 3.3 ppb (3) N/A 16.0 ppb (15) N/A N/A 22.0 ppb (17) 0.41 ppb (5) N/A N/A 18.0
 
March 18, 2019, 10 a.m. 17.8 ppb (16) 1.3 ppb (1) N/A 16.0 ppb (15) N/A N/A 21.0 ppb (16) 0.39 ppb (4) N/A N/A 16.0
 
March 18, 2019, 9 a.m. 17.9 ppb (17) 1.0 ppb (1) N/A 17.0 ppb (16) N/A N/A 24.0 ppb (18) 0.39 ppb (4) N/A N/A 18.0
 
March 18, 2019, 8 a.m. 12.4 ppb (11) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 29.0 ppb (22) 0.31 ppb (3) N/A N/A 22.0
 
March 18, 2019, 7 a.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) 0.18 ppb (2) N/A N/A 34.0
 
March 18, 2019, 6 a.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) 0.2 ppb (2) N/A N/A 35.0
 
March 18, 2019, 5 a.m. 7.9 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 44.0 ppb (34) 0.27 ppb (3) N/A N/A 34.0
 
March 18, 2019, 4 a.m. 9.9 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 44.0 ppb (34) 0.29 ppb (3) N/A N/A 34.0
 
March 18, 2019, 3 a.m. 8.9 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 49.0 ppb (38) 0.29 ppb (3) N/A N/A 38.0
 
March 18, 2019, 2 a.m. 13.9 ppb (13) 1.2 ppb (1) N/A 13.0 ppb (12) N/A N/A 50.0 ppb (38) 0.33 ppb (4) N/A N/A 38.0
 
March 18, 2019, 1 a.m. 6.8 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 68.0 ppb (52) 0.25 ppb (3) N/A N/A 52.0
 
March 18, 2019, midnight 5.2 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 68.0 ppb (52) 0.23 ppb (3) N/A N/A 52.0
 
March 17, 2019, 11 p.m. 2.9 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (49) 0.21 ppb (2) N/A N/A 49.0
 
March 17, 2019, 10 p.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (48) 0.19 ppb (2) N/A N/A 48.0
 
March 17, 2019, 9 p.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (45) 0.19 ppb (2) N/A N/A 45.0
 
March 17, 2019, 8 p.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (46) 0.21 ppb (2) N/A N/A 46.0
 
March 17, 2019, 7 p.m. 6.7 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 56.0 ppb (43) 0.26 ppb (3) N/A N/A 43.0
 
March 17, 2019, 6 p.m. 13.2 ppb (12) 3.1 ppb (3) N/A 10.0 ppb (9) N/A N/A 46.0 ppb (35) 0.31 ppb (3) N/A N/A 35.0
 
March 17, 2019, 5 p.m. 14.2 ppb (13) 3.6 ppb (3) N/A 11.0 ppb (10) N/A N/A 41.0 ppb (32) 0.33 ppb (4) N/A N/A 32.0
 
March 17, 2019, 4 p.m. 16.2 ppb (15) 3.9 ppb (4) N/A 12.0 ppb (11) N/A N/A 37.0 ppb (28) 0.35 ppb (4) N/A N/A 28.0
 
March 17, 2019, 3 p.m. 9.6 ppb (9) 1.9 ppb (2) N/A 8.0 ppb (7) N/A N/A 41.0 ppb (32) 0.25 ppb (3) N/A N/A 32.0
 
March 17, 2019, 2 p.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) 0.17 ppb (2) N/A N/A 37.0
 
March 17, 2019, 1 p.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) 0.16 ppb (2) N/A N/A 37.0
 
March 17, 2019, noon 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) 0.16 ppb (2) N/A N/A 38.0
 
March 17, 2019, 11 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) 0.16 ppb (2) N/A N/A 38.0
 
March 17, 2019, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) 0.17 ppb (2) N/A N/A 38.0
 
March 17, 2019, 9 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) 0.16 ppb (2) N/A N/A 38.0
 
March 17, 2019, 8 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) 0.16 ppb (2) N/A N/A 38.0
 
March 17, 2019, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) 0.16 ppb (2) N/A N/A 38.0
 
March 17, 2019, 6 a.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) 0.17 ppb (2) N/A N/A 38.0
 
March 17, 2019, 5 a.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) 0.17 ppb (2) N/A N/A 39.0
 
March 17, 2019, 4 a.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (40) 0.18 ppb (2) N/A N/A 40.0
 
March 17, 2019, 3 a.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) 0.18 ppb (2) N/A N/A 40.0
 
March 17, 2019, 2 a.m. 7.4 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 54.0 ppb (42) 0.23 ppb (3) N/A N/A 42.0
 
March 17, 2019, 1 a.m. 3.1 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (46) 0.2 ppb (2) N/A N/A 46.0
 
March 17, 2019, midnight 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (47) 0.16 ppb (2) N/A N/A 47.0
 
March 16, 2019, 11 p.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (48) 0.17 ppb (2) N/A N/A 48.0
 
March 16, 2019, 10 p.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (48) 0.18 ppb (2) N/A N/A 48.0
 
March 16, 2019, 9 p.m. 4.6 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 62.0 ppb (48) 0.21 ppb (2) N/A N/A 48.0
 
March 16, 2019, 8 p.m. 8.9 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 56.0 ppb (43) 0.25 ppb (3) N/A N/A 43.0
 
March 16, 2019, 7 p.m. 16.3 ppb (15) 3.8 ppb (4) N/A 12.0 ppb (11) N/A N/A 48.0 ppb (37) 0.29 ppb (3) N/A N/A 37.0
 
March 16, 2019, 6 p.m. 27.8 ppb (26) 7.9 ppb (7) N/A 20.0 ppb (19) N/A N/A 39.0 ppb (30) 0.34 ppb (4) N/A N/A 30.0
 
March 16, 2019, 5 p.m. 23.6 ppb (22) 6.9 ppb (6) N/A 17.0 ppb (16) N/A N/A 36.0 ppb (28) 0.32 ppb (4) N/A N/A 28.0
 
March 16, 2019, 4 p.m. 43.1 ppb (40) 16.7 ppb (15) N/A 26.0 ppb (24) N/A N/A 24.0 ppb (18) 0.43 ppb (5) N/A N/A 40.0
 
March 16, 2019, 3 p.m. 72.9 ppb (70) 33.7 ppb (31) N/A 39.0 ppb (36) N/A N/A 14.0 ppb (11) 1.27 ppb (14) N/A N/A 70.0