AQSQID: 060370002

Site Name: Azusa

Location: Azusa (Kincaid), CA

Reporting: True, Located: True

Current AQI: 13.0

Azusa (Kincaid) CA, US: 34.136474, -117.923963

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 17, 2020, 6 a.m. 22.5 ppb (21) 1.5 ppb (1) N/A 21.0 ppb (19) N/A N/A 22.0 ppb (17) 0.49 ppb (5) N/A N/A 21.0
 
Feb. 17, 2020, 5 a.m. 15.6 ppb (14) 1.8 ppb (2) N/A 14.0 ppb (13) N/A N/A 33.0 ppb (25) 0.4 ppb (4) N/A N/A 25.0
 
Feb. 17, 2020, 4 a.m. 11.9 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 41.0 ppb (32) 0.35 ppb (4) N/A N/A 32.0
 
Feb. 17, 2020, 3 a.m. 13.6 ppb (13) 0.4 ppb (0) N/A 13.0 ppb (12) N/A N/A 42.0 ppb (32) 0.33 ppb (4) N/A N/A 32.0
 
Feb. 17, 2020, 2 a.m. 16.0 ppb (15) 0.4 ppb (0) N/A 16.0 ppb (15) N/A N/A 47.0 ppb (36) 0.35 ppb (4) N/A N/A 36.0
 
Feb. 17, 2020, 1 a.m. 16.6 ppb (15) 0.3 ppb (0) N/A 16.0 ppb (15) N/A N/A 52.0 ppb (40) 0.31 ppb (3) N/A N/A 40.0
 
Feb. 17, 2020, midnight 15.0 ppb (14) 0.7 ppb (1) N/A 14.0 ppb (13) N/A N/A 57.0 ppb (44) 0.31 ppb (3) N/A N/A 44.0
 
Feb. 16, 2020, 11 p.m. 13.9 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A 66.0 ppb (51) 0.36 ppb (4) N/A N/A 51.0
 
Feb. 16, 2020, 10 p.m. 13.9 ppb (13) 1.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 70.0 ppb (54) 0.38 ppb (4) N/A N/A 54.0
 
Feb. 16, 2020, 9 p.m. 9.8 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 68.0 ppb (52) 0.32 ppb (4) N/A N/A 52.0
 
Feb. 16, 2020, 8 p.m. 12.4 ppb (11) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A 60.0 ppb (46) 0.33 ppb (4) N/A N/A 46.0
 
Feb. 16, 2020, 7 p.m. 21.7 ppb (20) 4.2 ppb (4) N/A 18.0 ppb (17) N/A N/A 45.0 ppb (35) 0.45 ppb (5) N/A N/A 35.0
 
Feb. 16, 2020, 6 p.m. 26.3 ppb (24) 6.4 ppb (6) N/A 20.0 ppb (19) N/A N/A 34.0 ppb (26) 0.49 ppb (5) N/A N/A 26.0
 
Feb. 16, 2020, 5 p.m. 22.8 ppb (21) 5.6 ppb (5) N/A 17.0 ppb (16) N/A N/A 30.0 ppb (23) 0.44 ppb (5) N/A N/A 23.0
 
Feb. 16, 2020, 4 p.m. 16.2 ppb (15) 3.5 ppb (3) N/A 13.0 ppb (12) N/A N/A 29.0 ppb (22) 0.36 ppb (4) N/A N/A 22.0
 
Feb. 16, 2020, 3 p.m. 22.4 ppb (21) 5.1 ppb (5) N/A 17.0 ppb (16) N/A N/A 17.0 ppb (13) 0.42 ppb (5) N/A N/A 21.0
 
Feb. 16, 2020, 2 p.m. 23.0 ppb (21) 3.4 ppb (3) N/A 20.0 ppb (19) N/A N/A 14.0 ppb (11) 0.36 ppb (4) N/A N/A 21.0
 
Feb. 16, 2020, 1 p.m. 17.5 ppb (16) 1.2 ppb (1) N/A 16.0 ppb (15) N/A N/A 16.0 ppb (12) 0.37 ppb (4) N/A N/A 16.0
 
Feb. 16, 2020, noon 14.7 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) 0.37 ppb (4) N/A N/A 15.0
 
Feb. 16, 2020, 11 a.m. 11.4 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (10) N/A N/A 25.0 ppb (19) 0.35 ppb (4) N/A N/A 19.0
 
Feb. 16, 2020, 10 a.m. 10.2 ppb (9) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.32 ppb (4) N/A N/A 21.0
 
Feb. 16, 2020, 9 a.m. 22.9 ppb (21) 1.6 ppb (1) N/A 21.0 ppb (19) N/A N/A 15.0 ppb (12) 0.46 ppb (5) N/A N/A 21.0
 
Feb. 16, 2020, 8 a.m. 28.7 ppb (27) 4.0 ppb (4) N/A 25.0 ppb (23) N/A N/A 10.0 ppb (8) 0.54 ppb (6) N/A N/A 27.0
 
Feb. 16, 2020, 7 a.m. 26.6 ppb (25) 1.5 ppb (1) N/A 25.0 ppb (23) N/A N/A 14.0 ppb (11) 0.56 ppb (6) N/A N/A 25.0
 
Feb. 16, 2020, 6 a.m. 27.5 ppb (25) 2.4 ppb (2) N/A 25.0 ppb (23) N/A N/A 15.0 ppb (12) 0.57 ppb (6) N/A N/A 25.0
 
Feb. 16, 2020, 5 a.m. 21.4 ppb (20) 1.1 ppb (1) N/A 20.0 ppb (19) N/A N/A 25.0 ppb (19) 0.46 ppb (5) N/A N/A 20.0
 
Feb. 16, 2020, 4 a.m. 13.2 ppb (12) 0.3 ppb (0) N/A 13.0 ppb (12) N/A N/A 36.0 ppb (28) 0.37 ppb (4) N/A N/A 28.0
 
Feb. 16, 2020, 3 a.m. 15.1 ppb (14) 0.4 ppb (0) N/A 15.0 ppb (14) N/A N/A 36.0 ppb (28) 0.37 ppb (4) N/A N/A 28.0
 
Feb. 16, 2020, 2 a.m. 19.8 ppb (18) 0.4 ppb (0) N/A 19.0 ppb (18) N/A N/A 36.0 ppb (28) 0.38 ppb (4) N/A N/A 28.0
 
Feb. 16, 2020, 1 a.m. 16.5 ppb (15) 0.4 ppb (0) N/A 16.0 ppb (15) N/A N/A 47.0 ppb (36) 0.35 ppb (4) N/A N/A 36.0
 
Feb. 16, 2020, midnight 19.2 ppb (18) 1.0 ppb (1) N/A 18.0 ppb (17) N/A N/A 52.0 ppb (40) 0.37 ppb (4) N/A N/A 40.0
 
Feb. 15, 2020, 11 p.m. 20.6 ppb (19) 1.6 ppb (1) N/A 19.0 ppb (18) N/A N/A 58.0 ppb (45) 0.42 ppb (5) N/A N/A 45.0
 
Feb. 15, 2020, 10 p.m. 16.1 ppb (15) 1.8 ppb (2) N/A 14.0 ppb (13) N/A N/A 58.0 ppb (45) 0.36 ppb (4) N/A N/A 45.0
 
Feb. 15, 2020, 9 p.m. 16.7 ppb (15) 2.5 ppb (2) N/A 14.0 ppb (13) N/A N/A 55.0 ppb (42) 0.35 ppb (4) N/A N/A 42.0
 
Feb. 15, 2020, 8 p.m. 17.8 ppb (16) 3.1 ppb (3) N/A 15.0 ppb (14) N/A N/A 50.0 ppb (38) 0.35 ppb (4) N/A N/A 38.0
 
Feb. 15, 2020, 7 p.m. 16.7 ppb (15) 3.0 ppb (3) N/A 14.0 ppb (13) N/A N/A 47.0 ppb (36) 0.34 ppb (4) N/A N/A 36.0
 
Feb. 15, 2020, 6 p.m. 28.3 ppb (26) 7.4 ppb (7) N/A 21.0 ppb (19) N/A N/A 33.0 ppb (25) 0.45 ppb (5) N/A N/A 26.0
 
Feb. 15, 2020, 5 p.m. 25.6 ppb (24) 7.1 ppb (7) N/A 18.0 ppb (17) N/A N/A 28.0 ppb (22) 0.41 ppb (5) N/A N/A 24.0
 
Feb. 15, 2020, 4 p.m. 32.5 ppb (30) 11.1 ppb (10) N/A 21.0 ppb (19) N/A N/A 19.0 ppb (15) 0.41 ppb (5) N/A N/A 30.0
 
Feb. 15, 2020, 3 p.m. 54.7 ppb (51) 26.1 ppb (24) N/A 29.0 ppb (27) N/A N/A 7.0 ppb (5) 0.67 ppb (7) N/A N/A 51.0
 
Feb. 15, 2020, 2 p.m. 33.7 ppb (31) 8.6 ppb (8) N/A 25.0 ppb (23) N/A N/A 11.0 ppb (8) 0.4 ppb (4) N/A N/A 31.0
 
Feb. 15, 2020, 1 p.m. 18.7 ppb (17) 1.4 ppb (1) N/A 17.0 ppb (16) N/A N/A 14.0 ppb (11) 0.38 ppb (4) N/A N/A 17.0
 
Feb. 15, 2020, noon 21.0 ppb (19) 1.7 ppb (2) N/A 19.0 ppb (18) N/A N/A 10.0 ppb (8) 0.41 ppb (5) N/A N/A 19.0
 
Feb. 15, 2020, 11 a.m. 19.8 ppb (18) 1.1 ppb (1) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (8) 0.43 ppb (5) N/A N/A 18.0
 
Feb. 15, 2020, 10 a.m. 21.6 ppb (20) 2.5 ppb (2) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (10) 0.43 ppb (5) N/A N/A 20.0
 
Feb. 15, 2020, 9 a.m. 17.9 ppb (17) 0.8 ppb (1) N/A 17.0 ppb (16) N/A N/A 20.0 ppb (15) 0.38 ppb (4) N/A N/A 17.0
 
Feb. 15, 2020, 8 a.m. 28.6 ppb (26) 1.8 ppb (2) N/A 27.0 ppb (25) N/A N/A 13.0 ppb (10) 0.52 ppb (6) N/A N/A 26.0
 
Feb. 15, 2020, 7 a.m. 42.0 ppb (39) 5.3 ppb (5) N/A 37.0 ppb (34) N/A N/A 9.0 ppb (7) 0.57 ppb (6) N/A N/A 39.0
 
Feb. 15, 2020, 6 a.m. 42.5 ppb (39) 4.7 ppb (4) N/A 38.0 ppb (35) N/A N/A 9.0 ppb (7) 0.62 ppb (7) N/A N/A 39.0
 
Feb. 15, 2020, 5 a.m. 37.7 ppb (35) 3.0 ppb (3) N/A 35.0 ppb (32) N/A N/A 14.0 ppb (11) 0.57 ppb (6) N/A N/A 35.0
 
Feb. 15, 2020, 4 a.m. 20.8 ppb (19) 0.9 ppb (1) N/A 20.0 ppb (19) N/A N/A 27.0 ppb (21) 0.4 ppb (4) N/A N/A 21.0
 
Feb. 15, 2020, 3 a.m. 24.2 ppb (22) 0.6 ppb (1) N/A 24.0 ppb (22) N/A N/A 30.0 ppb (23) 0.41 ppb (5) N/A N/A 23.0
 
Feb. 15, 2020, 2 a.m. 24.0 ppb (22) 0.5 ppb (0) N/A 23.0 ppb (21) N/A N/A 37.0 ppb (28) 0.38 ppb (4) N/A N/A 28.0
 
Feb. 15, 2020, 1 a.m. 24.0 ppb (22) 0.5 ppb (0) N/A 23.0 ppb (21) N/A N/A 42.0 ppb (32) 0.38 ppb (4) N/A N/A 32.0
 
Feb. 15, 2020, midnight 22.5 ppb (21) 1.5 ppb (1) N/A 21.0 ppb (19) N/A N/A 49.0 ppb (38) 0.37 ppb (4) N/A N/A 38.0
 
Feb. 14, 2020, 11 p.m. 24.6 ppb (23) 3.0 ppb (3) N/A 22.0 ppb (20) N/A N/A 50.0 ppb (38) 0.39 ppb (4) N/A N/A 38.0
 
Feb. 14, 2020, 10 p.m. 19.3 ppb (18) 2.9 ppb (3) N/A 16.0 ppb (15) N/A N/A 50.0 ppb (38) 0.33 ppb (4) N/A N/A 38.0
 
Feb. 14, 2020, 9 p.m. 23.1 ppb (21) 4.2 ppb (4) N/A 19.0 ppb (18) N/A N/A 46.0 ppb (35) 0.36 ppb (4) N/A N/A 35.0
 
Feb. 14, 2020, 8 p.m. 32.2 ppb (30) 7.5 ppb (7) N/A 25.0 ppb (23) N/A N/A 38.0 ppb (29) 0.42 ppb (5) N/A N/A 30.0
 
Feb. 14, 2020, 7 p.m. 47.0 ppb (44) 15.3 ppb (14) N/A 32.0 ppb (30) N/A N/A 27.0 ppb (21) 0.49 ppb (5) N/A N/A 44.0
 
Feb. 14, 2020, 6 p.m. 57.6 ppb (54) 23.0 ppb (21) N/A 35.0 ppb (32) N/A N/A 19.0 ppb (15) 0.57 ppb (6) N/A N/A 54.0
 
Feb. 14, 2020, 5 p.m. 69.0 ppb (66) 32.0 ppb (30) N/A 37.0 ppb (34) N/A N/A 13.0 ppb (10) 0.61 ppb (7) N/A N/A 66.0
 
Feb. 14, 2020, 4 p.m. 87.3 ppb (85) 46.7 ppb (43) N/A 41.0 ppb (38) N/A N/A 7.0 ppb (5) 0.79 ppb (9) N/A N/A 85.0
 
Feb. 14, 2020, 3 p.m. 46.2 ppb (43) 21.1 ppb (20) N/A 25.0 ppb (23) N/A N/A 15.0 ppb (12) 0.45 ppb (5) N/A N/A 43.0
 
Feb. 14, 2020, 2 p.m. 92.6 ppb (91) 53.3 ppb (49) N/A 39.0 ppb (36) N/A N/A 2.0 ppb (2) 1.04 ppb (12) N/A N/A 91.0
 
Feb. 14, 2020, 1 p.m. 34.9 ppb (32) 6.1 ppb (6) N/A 29.0 ppb (27) N/A N/A 10.0 ppb (8) 0.44 ppb (5) N/A N/A 32.0
 
Feb. 14, 2020, noon 34.1 ppb (32) 3.4 ppb (3) N/A 31.0 ppb (29) N/A N/A 5.0 ppb (4) 0.4 ppb (4) N/A N/A 32.0
 
Feb. 14, 2020, 11 a.m. 12.9 ppb (12) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) 0.26 ppb (3) N/A N/A 18.0
 
Feb. 14, 2020, 10 a.m. 31.4 ppb (29) 3.1 ppb (3) N/A 28.0 ppb (26) N/A N/A 8.0 ppb (6) 0.4 ppb (4) N/A N/A 29.0
 
Feb. 14, 2020, 9 a.m. 30.1 ppb (28) 3.8 ppb (4) N/A 26.0 ppb (24) N/A N/A 9.0 ppb (7) 0.45 ppb (5) N/A N/A 28.0
 
Feb. 14, 2020, 8 a.m. 27.3 ppb (25) 2.8 ppb (3) N/A 24.0 ppb (22) N/A N/A 10.0 ppb (8) 0.51 ppb (6) N/A N/A 25.0
 
Feb. 14, 2020, 7 a.m. 31.6 ppb (29) 2.3 ppb (2) N/A 29.0 ppb (27) N/A N/A 10.0 ppb (8) 0.47 ppb (5) N/A N/A 29.0
 
Feb. 14, 2020, 6 a.m. 39.3 ppb (36) 4.8 ppb (4) N/A 35.0 ppb (32) N/A N/A 7.0 ppb (5) 0.52 ppb (6) N/A N/A 36.0
 
Feb. 14, 2020, 5 a.m. 28.1 ppb (26) 2.7 ppb (3) N/A 25.0 ppb (23) N/A N/A 16.0 ppb (12) 0.41 ppb (5) N/A N/A 26.0
 
Feb. 14, 2020, 4 a.m. 16.0 ppb (15) 0.5 ppb (0) N/A 16.0 ppb (15) N/A N/A 27.0 ppb (21) 0.34 ppb (4) N/A N/A 21.0
 
Feb. 14, 2020, 3 a.m. 19.4 ppb (18) 0.5 ppb (0) N/A 19.0 ppb (18) N/A N/A 28.0 ppb (22) 0.37 ppb (4) N/A N/A 22.0
 
Feb. 14, 2020, 2 a.m. 30.1 ppb (28) 0.6 ppb (1) N/A 30.0 ppb (28) N/A N/A 25.0 ppb (19) 0.44 ppb (5) N/A N/A 28.0
 
Feb. 14, 2020, 1 a.m. 30.2 ppb (28) 0.9 ppb (1) N/A 29.0 ppb (27) N/A N/A 31.0 ppb (24) 0.41 ppb (5) N/A N/A 28.0
 
Feb. 14, 2020, midnight 32.4 ppb (30) 2.5 ppb (2) N/A 30.0 ppb (28) N/A N/A 36.0 ppb (28) 0.41 ppb (5) N/A N/A 30.0
 
Feb. 13, 2020, 11 p.m. 23.4 ppb (22) 2.7 ppb (3) N/A 21.0 ppb (19) N/A N/A 44.0 ppb (34) 0.33 ppb (4) N/A N/A 34.0
 
Feb. 13, 2020, 10 p.m. 19.6 ppb (18) 3.2 ppb (3) N/A 16.0 ppb (15) N/A N/A 45.0 ppb (35) 0.29 ppb (3) N/A N/A 35.0
 
Feb. 13, 2020, 9 p.m. 24.7 ppb (23) 5.1 ppb (5) N/A 20.0 ppb (19) N/A N/A 42.0 ppb (32) 0.34 ppb (4) N/A N/A 32.0
 
Feb. 13, 2020, 8 p.m. 23.1 ppb (21) 5.0 ppb (5) N/A 18.0 ppb (17) N/A N/A 42.0 ppb (32) 0.34 ppb (4) N/A N/A 32.0
 
Feb. 13, 2020, 7 p.m. 37.7 ppb (35) 12.1 ppb (11) N/A 26.0 ppb (24) N/A N/A 31.0 ppb (24) 0.43 ppb (5) N/A N/A 35.0
 
Feb. 13, 2020, 6 p.m. 36.4 ppb (34) 12.6 ppb (12) N/A 24.0 ppb (22) N/A N/A 25.0 ppb (19) 0.41 ppb (5) N/A N/A 34.0
 
Feb. 13, 2020, 5 p.m. 49.0 ppb (45) 21.8 ppb (20) N/A 27.0 ppb (25) N/A N/A 17.0 ppb (13) 0.51 ppb (6) N/A N/A 45.0
 
Feb. 13, 2020, 4 p.m. 70.5 ppb (68) 37.6 ppb (35) N/A 33.0 ppb (31) N/A N/A 9.0 ppb (7) 0.72 ppb (8) N/A N/A 68.0
 
Feb. 13, 2020, 3 p.m. 76.1 ppb (74) 40.5 ppb (38) N/A 36.0 ppb (33) N/A N/A 5.0 ppb (4) 0.74 ppb (8) N/A N/A 74.0
 
Feb. 13, 2020, 2 p.m. 93.5 ppb (92) 54.6 ppb (51) N/A 39.0 ppb (36) N/A N/A 1.0 ppb (1) 0.85 ppb (9) N/A N/A 92.0
 
Feb. 13, 2020, 1 p.m. 35.7 ppb (33) 17.3 ppb (16) N/A 18.0 ppb (17) N/A N/A 17.0 ppb (13) 0.35 ppb (4) N/A N/A 33.0
 
Feb. 13, 2020, noon 15.6 ppb (14) 4.1 ppb (4) N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.28 ppb (3) N/A N/A 17.0
 
Feb. 13, 2020, 11 a.m. 34.3 ppb (32) 3.6 ppb (3) N/A 31.0 ppb (29) N/A N/A 3.0 ppb (2) 0.35 ppb (4) N/A N/A 32.0
 
Feb. 13, 2020, 10 a.m. 16.3 ppb (15) 1.6 ppb (1) N/A 15.0 ppb (14) N/A N/A 17.0 ppb (13) 0.26 ppb (3) N/A N/A 15.0
 
Feb. 13, 2020, 9 a.m. 9.4 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 26.0 ppb (20) 0.22 ppb (2) N/A N/A 20.0
 
Feb. 13, 2020, 8 a.m. 11.8 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) 0.27 ppb (3) N/A N/A 16.0
 
Feb. 13, 2020, 7 a.m. 18.0 ppb (17) 0.9 ppb (1) N/A 17.0 ppb (16) N/A N/A 18.0 ppb (14) 0.32 ppb (4) N/A N/A 17.0
 
Feb. 13, 2020, 6 a.m. 14.2 ppb (13) 1.3 ppb (1) N/A 13.0 ppb (12) N/A N/A 24.0 ppb (18) 0.32 ppb (4) N/A N/A 18.0
 
Feb. 13, 2020, 5 a.m. 8.6 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 0.24 ppb (3) N/A N/A 23.0
 
Feb. 13, 2020, 4 a.m. 10.2 ppb (9) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) 0.24 ppb (3) N/A N/A 24.0
 
Feb. 13, 2020, 3 a.m. 14.3 ppb (13) 0.6 ppb (1) N/A 14.0 ppb (13) N/A N/A 29.0 ppb (22) 0.27 ppb (3) N/A N/A 22.0
 
Feb. 13, 2020, 2 a.m. 22.7 ppb (21) 0.6 ppb (1) N/A 22.0 ppb (20) N/A N/A 28.0 ppb (22) 0.32 ppb (4) N/A N/A 22.0
 
Feb. 13, 2020, 1 a.m. 19.1 ppb (18) 1.1 ppb (1) N/A 18.0 ppb (17) N/A N/A 37.0 ppb (28) 0.31 ppb (3) N/A N/A 28.0
 
Feb. 13, 2020, midnight 18.5 ppb (17) 2.7 ppb (3) N/A 16.0 ppb (15) N/A N/A 41.0 ppb (32) 0.25 ppb (3) N/A N/A 32.0
 
Feb. 12, 2020, 11 p.m. 16.2 ppb (15) 3.0 ppb (3) N/A 13.0 ppb (12) N/A N/A 46.0 ppb (35) 0.25 ppb (3) N/A N/A 35.0
 
Feb. 12, 2020, 10 p.m. 16.4 ppb (15) 3.2 ppb (3) N/A 13.0 ppb (12) N/A N/A 45.0 ppb (35) 0.26 ppb (3) N/A N/A 35.0
 
Feb. 12, 2020, 9 p.m. 18.7 ppb (17) 4.0 ppb (4) N/A 15.0 ppb (14) N/A N/A 42.0 ppb (32) 0.26 ppb (3) N/A N/A 32.0
 
Feb. 12, 2020, 8 p.m. 20.6 ppb (19) 5.1 ppb (5) N/A 16.0 ppb (15) N/A N/A 40.0 ppb (31) 0.26 ppb (3) N/A N/A 31.0
 
Feb. 12, 2020, 7 p.m. 15.6 ppb (14) 3.6 ppb (3) N/A 12.0 ppb (11) N/A N/A 42.0 ppb (32) 0.25 ppb (3) N/A N/A 32.0
 
Feb. 12, 2020, 4 p.m. 9.4 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) 0.23 ppb (3) N/A N/A 23.0
 
Feb. 12, 2020, 3 p.m. 7.1 ppb (7) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.21 ppb (2) N/A N/A 22.0
 
Feb. 12, 2020, 2 p.m. 7.3 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.19 ppb (2) N/A N/A 22.0
 
Feb. 12, 2020, 1 p.m. 10.3 ppb (10) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.23 ppb (3) N/A N/A 21.0
 
Feb. 12, 2020, noon 9.6 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.21 ppb (2) N/A N/A 21.0
 
Feb. 12, 2020, 11 a.m. 4.6 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) 0.19 ppb (2) N/A N/A 24.0
 
Feb. 12, 2020, 10 a.m. 5.5 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) 0.2 ppb (2) N/A N/A 24.0
 
Feb. 12, 2020, 9 a.m. 9.1 ppb (8) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) 0.23 ppb (3) N/A N/A 21.0
 
Feb. 12, 2020, 8 a.m. 5.4 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.21 ppb (2) N/A N/A 25.0
 
Feb. 12, 2020, 7 a.m. 6.1 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.21 ppb (2) N/A N/A 25.0
 
Feb. 12, 2020, 6 a.m. 7.4 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.22 ppb (2) N/A N/A 25.0
 
Feb. 12, 2020, 5 a.m. 8.5 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) 0.22 ppb (2) N/A N/A 25.0
 
Feb. 12, 2020, 4 a.m. 8.9 ppb (8) 0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 32.0 ppb (25) 0.23 ppb (3) N/A N/A 25.0
 
Feb. 12, 2020, 3 a.m. 10.9 ppb (10) 0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 34.0 ppb (26) 0.25 ppb (3) N/A N/A 26.0
 
Feb. 12, 2020, 2 a.m. 12.5 ppb (12) 0.3 ppb (0) N/A 12.0 ppb (11) N/A N/A 39.0 ppb (30) 0.24 ppb (3) N/A N/A 30.0
 
Feb. 12, 2020, 1 a.m. 20.0 ppb (19) 0.6 ppb (1) N/A 19.0 ppb (18) N/A N/A 34.0 ppb (26) 0.27 ppb (3) N/A N/A 26.0
 
Feb. 12, 2020, midnight 15.5 ppb (14) 1.3 ppb (1) N/A 14.0 ppb (13) N/A N/A 40.0 ppb (31) 0.25 ppb (3) N/A N/A 31.0
 
Feb. 11, 2020, 11 p.m. 17.1 ppb (16) 2.5 ppb (2) N/A 15.0 ppb (14) N/A N/A 41.0 ppb (32) 0.25 ppb (3) N/A N/A 32.0
 
Feb. 11, 2020, 10 p.m. 18.7 ppb (17) 3.5 ppb (3) N/A 15.0 ppb (14) N/A N/A 41.0 ppb (32) 0.27 ppb (3) N/A N/A 32.0
 
Feb. 11, 2020, 9 p.m. 17.2 ppb (16) 3.6 ppb (3) N/A 14.0 ppb (13) N/A N/A 40.0 ppb (31) 0.25 ppb (3) N/A N/A 31.0
 
Feb. 11, 2020, 8 p.m. 18.5 ppb (17) 4.4 ppb (4) N/A 14.0 ppb (13) N/A N/A 38.0 ppb (29) 0.26 ppb (3) N/A N/A 29.0
 
Feb. 11, 2020, 7 p.m. 20.9 ppb (19) 6.0 ppb (6) N/A 15.0 ppb (14) N/A N/A 33.0 ppb (25) 0.25 ppb (3) N/A N/A 25.0
 
Feb. 11, 2020, 6 p.m. 23.7 ppb (22) 7.2 ppb (7) N/A 17.0 ppb (16) N/A N/A 30.0 ppb (23) 0.27 ppb (3) N/A N/A 23.0
 
Feb. 11, 2020, 5 p.m. 48.5 ppb (45) 21.6 ppb (20) N/A 27.0 ppb (25) N/A N/A 18.0 ppb (14) 0.73 ppb (8) N/A N/A 45.0
 
Feb. 11, 2020, 4 p.m. 67.1 ppb (64) 34.4 ppb (32) N/A 33.0 ppb (31) N/A N/A 9.0 ppb (7) 0.64 ppb (7) N/A N/A 64.0
 
Feb. 11, 2020, 3 p.m. 70.6 ppb (68) 35.3 ppb (33) N/A 35.0 ppb (32) N/A N/A 4.0 ppb (3) 0.67 ppb (7) N/A N/A 68.0
 
Feb. 11, 2020, 2 p.m. 42.7 ppb (40) 11.7 ppb (11) N/A 31.0 ppb (29) N/A N/A 6.0 ppb (5) 0.51 ppb (6) N/A N/A 40.0
 
Feb. 11, 2020, 1 p.m. 37.7 ppb (35) 5.7 ppb (5) N/A 32.0 ppb (30) N/A N/A 8.0 ppb (6) 0.34 ppb (4) N/A N/A 35.0
 
Feb. 11, 2020, noon 24.9 ppb (23) 1.0 ppb (1) N/A 24.0 ppb (22) N/A N/A 13.0 ppb (10) 0.3 ppb (3) N/A N/A 23.0
 
Feb. 11, 2020, 11 a.m. 31.6 ppb (29) 1.5 ppb (1) N/A 30.0 ppb (28) N/A N/A 8.0 ppb (6) 0.35 ppb (4) N/A N/A 29.0
 
Feb. 11, 2020, 10 a.m. 33.6 ppb (31) 1.7 ppb (2) N/A 32.0 ppb (30) N/A N/A 7.0 ppb (5) 0.36 ppb (4) N/A N/A 31.0
 
Feb. 11, 2020, 9 a.m. 31.8 ppb (29) 0.8 ppb (1) N/A 31.0 ppb (29) N/A N/A 8.0 ppb (6) 0.35 ppb (4) N/A N/A 29.0
 
Feb. 11, 2020, 8 a.m. 29.2 ppb (27) 1.1 ppb (1) N/A 28.0 ppb (26) N/A N/A 11.0 ppb (8) 0.32 ppb (4) N/A N/A 27.0
 
Feb. 11, 2020, 7 a.m. 32.2 ppb (30) 1.6 ppb (1) N/A 31.0 ppb (29) N/A N/A 8.0 ppb (6) 0.36 ppb (4) N/A N/A 30.0
 
Feb. 11, 2020, 6 a.m. 27.3 ppb (25) 1.5 ppb (1) N/A 26.0 ppb (24) N/A N/A 14.0 ppb (11) 0.33 ppb (4) N/A N/A 25.0
 
Feb. 11, 2020, 5 a.m. 26.2 ppb (24) 1.2 ppb (1) N/A 25.0 ppb (23) N/A N/A 17.0 ppb (13) 0.34 ppb (4) N/A N/A 24.0
 
Feb. 11, 2020, 4 a.m. 25.5 ppb (24) 2.7 ppb (3) N/A 23.0 ppb (21) N/A N/A 20.0 ppb (15) 0.53 ppb (6) N/A N/A 24.0
 
Feb. 11, 2020, 3 a.m. 19.8 ppb (18) 1.2 ppb (1) N/A 19.0 ppb (18) N/A N/A 24.0 ppb (18) 0.4 ppb (4) N/A N/A 18.0
 
Feb. 11, 2020, 2 a.m. 9.9 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) 0.21 ppb (2) N/A N/A 25.0
 
Feb. 11, 2020, 1 a.m. 3.4 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.17 ppb (2) N/A N/A 31.0
 
Feb. 11, 2020, midnight 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.15 ppb (2) N/A N/A 32.0
 
Feb. 10, 2020, 11 p.m. 2.9 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.15 ppb (2) N/A N/A 32.0
 
Feb. 10, 2020, 10 p.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.17 ppb (2) N/A N/A 32.0
 
Feb. 10, 2020, 9 p.m. 3.0 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.15 ppb (2) N/A N/A 32.0
 
Feb. 10, 2020, 8 p.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.21 ppb (2) N/A N/A 32.0
 
Feb. 10, 2020, 7 p.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.15 ppb (2) N/A N/A 32.0
 
Feb. 10, 2020, 6 p.m. 3.3 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.14 ppb (2) N/A N/A 31.0
 
Feb. 10, 2020, 5 p.m. 24.5 ppb (23) 8.5 ppb (8) N/A 16.0 ppb (15) N/A N/A 28.0 ppb (22) 0.27 ppb (3) N/A N/A 23.0
 
Feb. 10, 2020, 4 p.m. 34.7 ppb (32) 15.6 ppb (14) N/A 19.0 ppb (18) N/A N/A 24.0 ppb (18) 0.37 ppb (4) N/A N/A 32.0
 
Feb. 10, 2020, 3 p.m. 3.7 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.17 ppb (2) N/A N/A 30.0
 
Feb. 10, 2020, 2 p.m. 7.6 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) 0.17 ppb (2) N/A N/A 28.0
 
Feb. 10, 2020, 1 p.m. 22.0 ppb (20) 1.0 ppb (1) N/A 21.0 ppb (19) N/A N/A 19.0 ppb (15) 0.27 ppb (3) N/A N/A 20.0
 
Feb. 10, 2020, noon 24.7 ppb (23) 1.2 ppb (1) N/A 23.0 ppb (21) N/A N/A 16.0 ppb (12) 0.3 ppb (3) N/A N/A 23.0
 
Feb. 10, 2020, 11 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.14 ppb (2) N/A N/A 33.0
 
Feb. 10, 2020, 10 a.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.14 ppb (2) N/A N/A 33.0
 
Feb. 10, 2020, 9 a.m. 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) 0.14 ppb (2) N/A N/A 34.0
 
Feb. 10, 2020, 8 a.m. 0.6 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) 0.14 ppb (2) N/A N/A 34.0
 
Feb. 10, 2020, 7 a.m. 0.8 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) 0.14 ppb (2) N/A N/A 34.0
 
Feb. 10, 2020, 6 a.m. 5.2 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) 0.18 ppb (2) N/A N/A 28.0
 
Feb. 10, 2020, 5 a.m. 12.9 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (11) N/A N/A 26.0 ppb (20) 0.28 ppb (3) N/A N/A 20.0