AQSQID: 060371602

Site Name: Pico Rivera

Location: Pico Riva, CA

Reporting: True, Located: True

Current AQI: 31.0

Pico Riva CA, US: 34.010283, -118.068484

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 20, 2019, 8 a.m. 6.6 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (31) 0.26 ppb (3) N/A N/A 31.0
 
March 20, 2019, 7 a.m. 5.5 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) 0.26 ppb (3) N/A N/A 33.0
 
March 20, 2019, 6 a.m. 4.8 ppb (4) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (35) 0.26 ppb (3) N/A N/A 35.0
 
March 20, 2019, 5 a.m. 6.0 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (33) 0.26 ppb (3) N/A N/A 33.0
 
March 20, 2019, 4 a.m. 4.4 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) 0.26 ppb (3) N/A N/A 35.0
 
March 20, 2019, 3 a.m. 8.5 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 41.0 ppb (32) 0.29 ppb (3) N/A N/A 32.0
 
March 20, 2019, 2 a.m. 7.1 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 43.0 ppb (33) 0.29 ppb (3) N/A N/A 33.0
 
March 20, 2019, 1 a.m. 5.4 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (35) 0.27 ppb (3) N/A N/A 35.0
 
March 20, 2019, midnight 8.1 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 46.0 ppb (35) 0.3 ppb (3) N/A N/A 35.0
 
March 19, 2019, 11 p.m. 8.7 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 52.0 ppb (40) 0.31 ppb (3) N/A N/A 40.0
 
March 19, 2019, 10 p.m. 7.6 ppb (7) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 53.0 ppb (41) 0.29 ppb (3) N/A N/A 41.0
 
March 19, 2019, 9 p.m. 9.8 ppb (9) 2.5 ppb (2) N/A 7.0 ppb (6) N/A N/A 53.0 ppb (41) 0.29 ppb (3) N/A N/A 41.0
 
March 19, 2019, 8 p.m. 11.2 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (7) N/A N/A 55.0 ppb (42) 0.31 ppb (3) N/A N/A 42.0
 
March 19, 2019, 7 p.m. 13.6 ppb (13) 3.4 ppb (3) N/A 10.0 ppb (9) N/A N/A 52.0 ppb (40) 0.34 ppb (4) N/A N/A 40.0
 
March 19, 2019, 6 p.m. 30.5 ppb (28) 10.4 ppb (10) N/A 20.0 ppb (19) N/A N/A 35.0 ppb (27) 0.53 ppb (6) N/A N/A 28.0
 
March 19, 2019, 5 p.m. 49.9 ppb (46) 23.8 ppb (22) N/A 26.0 ppb (24) N/A N/A 17.0 ppb (13) 0.69 ppb (8) N/A N/A 46.0
 
March 19, 2019, 4 p.m. 62.4 ppb (59) 33.3 ppb (31) N/A 29.0 ppb (27) N/A N/A 12.0 ppb (9) 0.71 ppb (8) N/A N/A 59.0
 
March 19, 2019, 3 p.m. 98.5 ppb (97) 64.0 ppb (61) N/A 34.0 ppb (31) N/A N/A 6.0 ppb (5) 0.9 ppb (10) N/A N/A 97.0
 
March 19, 2019, 2 p.m. 125.0 ppb (105) 89.4 ppb (88) N/A 35.0 ppb (32) N/A N/A 3.0 ppb (2) 1.01 ppb (11) N/A N/A 105.0
 
March 19, 2019, 1 p.m. 92.7 ppb (91) 62.7 ppb (59) N/A 30.0 ppb (28) N/A N/A 3.0 ppb (2) 0.82 ppb (9) N/A N/A 91.0
 
March 19, 2019, noon 57.1 ppb (53) 31.8 ppb (29) N/A 25.0 ppb (23) N/A N/A 3.0 ppb (2) 0.64 ppb (7) N/A N/A 53.0
 
March 19, 2019, 11 a.m. 37.2 ppb (34) 15.0 ppb (14) N/A 22.0 ppb (20) N/A N/A 3.0 ppb (2) 0.49 ppb (5) N/A N/A 34.0
 
March 19, 2019, 10 a.m. 36.7 ppb (34) 12.6 ppb (12) N/A 24.0 ppb (22) N/A N/A 3.0 ppb (2) 0.48 ppb (5) N/A N/A 34.0
 
March 19, 2019, 9 a.m. 35.2 ppb (33) 4.8 ppb (4) N/A 30.0 ppb (28) N/A N/A 4.0 ppb (3) 0.43 ppb (5) N/A N/A 33.0
 
March 19, 2019, 8 a.m. 49.0 ppb (45) 14.4 ppb (13) N/A 35.0 ppb (32) N/A N/A 3.0 ppb (2) 0.45 ppb (5) N/A N/A 45.0
 
March 19, 2019, 7 a.m. 54.1 ppb (50) 14.8 ppb (14) N/A 39.0 ppb (36) N/A N/A 3.0 ppb (2) 0.52 ppb (6) N/A N/A 50.0
 
March 19, 2019, 6 a.m. 39.0 ppb (36) 7.8 ppb (7) N/A 31.0 ppb (29) N/A N/A 12.0 ppb (9) 0.44 ppb (5) N/A N/A 36.0
 
March 19, 2019, 5 a.m. 12.9 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 37.0 ppb (28) 0.34 ppb (4) N/A N/A 28.0
 
March 19, 2019, 4 a.m. 11.9 ppb (11) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 42.0 ppb (32) 0.32 ppb (4) N/A N/A 32.0
 
March 19, 2019, 3 a.m. 11.6 ppb (11) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 45.0 ppb (35) 0.32 ppb (4) N/A N/A 35.0
 
March 19, 2019, 2 a.m. 14.7 ppb (14) 0.4 ppb (0) N/A 14.0 ppb (13) N/A N/A 46.0 ppb (35) 0.34 ppb (4) N/A N/A 35.0
 
March 19, 2019, 1 a.m. 15.3 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (13) N/A N/A 49.0 ppb (38) 0.34 ppb (4) N/A N/A 38.0
 
March 19, 2019, midnight 16.3 ppb (15) 1.6 ppb (1) N/A 15.0 ppb (14) N/A N/A 58.0 ppb (45) 0.36 ppb (4) N/A N/A 45.0
 
March 18, 2019, 11 p.m. 17.0 ppb (16) 2.1 ppb (2) N/A 15.0 ppb (14) N/A N/A 65.0 ppb (50) 0.4 ppb (4) N/A N/A 50.0
 
March 18, 2019, 10 p.m. 18.1 ppb (17) 2.5 ppb (2) N/A 16.0 ppb (15) N/A N/A 66.0 ppb (51) 0.38 ppb (4) N/A N/A 51.0
 
March 18, 2019, 9 p.m. 19.7 ppb (18) 4.1 ppb (4) N/A 16.0 ppb (15) N/A N/A 71.0 ppb (55) 0.38 ppb (4) N/A N/A 55.0
 
March 18, 2019, 8 p.m. 26.7 ppb (25) 5.8 ppb (5) N/A 21.0 ppb (19) N/A N/A 60.0 ppb (46) 0.47 ppb (5) N/A N/A 46.0
 
March 18, 2019, 7 p.m. 37.7 ppb (35) 9.2 ppb (9) N/A 28.0 ppb (26) N/A N/A 43.0 ppb (33) 0.53 ppb (6) N/A N/A 35.0
 
March 18, 2019, 6 p.m. 40.5 ppb (38) 11.4 ppb (11) N/A 29.0 ppb (27) N/A N/A 35.0 ppb (27) 0.53 ppb (6) N/A N/A 38.0
 
March 18, 2019, 5 p.m. 46.0 ppb (43) 16.5 ppb (15) N/A 29.0 ppb (27) N/A N/A 26.0 ppb (20) 0.55 ppb (6) N/A N/A 43.0
 
March 18, 2019, 4 p.m. 71.7 ppb (69) 34.7 ppb (32) N/A 37.0 ppb (34) N/A N/A 12.0 ppb (9) 0.8 ppb (9) N/A N/A 69.0
 
March 18, 2019, 3 p.m. 76.0 ppb (73) 41.3 ppb (38) N/A 35.0 ppb (32) N/A N/A 8.0 ppb (6) 0.88 ppb (10) N/A N/A 73.0
 
March 18, 2019, 2 p.m. 101.8 ppb (100) 67.6 ppb (64) N/A 34.0 ppb (31) N/A N/A 4.0 ppb (3) 0.93 ppb (10) N/A N/A 100.0
 
March 18, 2019, 1 p.m. 74.7 ppb (72) 43.6 ppb (40) N/A 31.0 ppb (29) N/A N/A 3.0 ppb (2) 0.81 ppb (9) N/A N/A 72.0
 
March 18, 2019, noon 50.6 ppb (47) 21.0 ppb (19) N/A 30.0 ppb (28) N/A N/A 3.0 ppb (2) 0.63 ppb (7) N/A N/A 47.0
 
March 18, 2019, 11 a.m. 45.6 ppb (42) 12.8 ppb (12) N/A 33.0 ppb (31) N/A N/A 4.0 ppb (3) 0.6 ppb (7) N/A N/A 42.0
 
March 18, 2019, 10 a.m. 25.5 ppb (24) 1.4 ppb (1) N/A 24.0 ppb (22) N/A N/A 11.0 ppb (8) 0.46 ppb (5) N/A N/A 24.0
 
March 18, 2019, 9 a.m. 22.3 ppb (21) 1.4 ppb (1) N/A 21.0 ppb (19) N/A N/A 15.0 ppb (12) 0.48 ppb (5) N/A N/A 21.0
 
March 18, 2019, 8 a.m. 16.0 ppb (15) 1.3 ppb (1) N/A 15.0 ppb (14) N/A N/A 26.0 ppb (20) 0.43 ppb (5) N/A N/A 20.0
 
March 18, 2019, 7 a.m. 14.7 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 35.0 ppb (27) 0.41 ppb (5) N/A N/A 27.0
 
March 18, 2019, 6 a.m. 12.8 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (11) N/A N/A 40.0 ppb (31) 0.4 ppb (4) N/A N/A 31.0
 
March 18, 2019, 5 a.m. 21.5 ppb (20) 0.8 ppb (1) N/A 21.0 ppb (19) N/A N/A 35.0 ppb (27) 0.48 ppb (5) N/A N/A 27.0
 
March 18, 2019, 4 a.m. 17.4 ppb (16) 0.5 ppb (0) N/A 17.0 ppb (16) N/A N/A 34.0 ppb (26) 0.44 ppb (5) N/A N/A 26.0
 
March 18, 2019, 3 a.m. 23.8 ppb (22) 0.6 ppb (1) N/A 23.0 ppb (21) N/A N/A 31.0 ppb (24) 0.51 ppb (6) N/A N/A 24.0
 
March 18, 2019, 2 a.m. 19.6 ppb (18) 0.6 ppb (1) N/A 19.0 ppb (18) N/A N/A 39.0 ppb (30) 0.42 ppb (5) N/A N/A 30.0
 
March 18, 2019, 1 a.m. 8.2 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 57.0 ppb (44) 0.3 ppb (3) N/A N/A 44.0
 
March 18, 2019, midnight 10.4 ppb (10) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 59.0 ppb (45) 0.33 ppb (4) N/A N/A 45.0
 
March 17, 2019, 11 p.m. 11.7 ppb (11) 1.4 ppb (1) N/A 10.0 ppb (9) N/A N/A 62.0 ppb (48) 0.35 ppb (4) N/A N/A 48.0
 
March 17, 2019, 10 p.m. 2.9 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (48) 0.26 ppb (3) N/A N/A 48.0
 
March 17, 2019, 9 p.m. 2.4 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (46) 0.24 ppb (3) N/A N/A 46.0
 
March 17, 2019, 8 p.m. 3.2 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 57.0 ppb (44) 0.25 ppb (3) N/A N/A 44.0
 
March 17, 2019, 7 p.m. 5.8 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 55.0 ppb (42) 0.28 ppb (3) N/A N/A 42.0
 
March 17, 2019, 6 p.m. 8.5 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 48.0 ppb (37) 0.3 ppb (3) N/A N/A 37.0
 
March 17, 2019, 5 p.m. 18.0 ppb (17) 4.9 ppb (5) N/A 13.0 ppb (12) N/A N/A 35.0 ppb (27) 0.39 ppb (4) N/A N/A 27.0
 
March 17, 2019, 4 p.m. 22.2 ppb (21) 6.6 ppb (6) N/A 16.0 ppb (15) N/A N/A 27.0 ppb (21) 0.43 ppb (5) N/A N/A 21.0
 
March 17, 2019, 3 p.m. 31.1 ppb (29) 10.9 ppb (10) N/A 20.0 ppb (19) N/A N/A 15.0 ppb (12) 0.55 ppb (6) N/A N/A 29.0
 
March 17, 2019, 2 p.m. 35.1 ppb (32) 9.4 ppb (9) N/A 26.0 ppb (24) N/A N/A 7.0 ppb (5) 0.55 ppb (6) N/A N/A 32.0
 
March 17, 2019, 1 p.m. 30.1 ppb (28) 3.1 ppb (3) N/A 27.0 ppb (25) N/A N/A 5.0 ppb (4) 0.53 ppb (6) N/A N/A 28.0
 
March 17, 2019, noon 28.9 ppb (27) 2.7 ppb (3) N/A 26.0 ppb (24) N/A N/A 6.0 ppb (5) 0.53 ppb (6) N/A N/A 27.0
 
March 17, 2019, 11 a.m. 29.8 ppb (28) 2.4 ppb (2) N/A 27.0 ppb (25) N/A N/A 6.0 ppb (5) 0.58 ppb (6) N/A N/A 28.0
 
March 17, 2019, 10 a.m. 40.8 ppb (38) 9.7 ppb (9) N/A 31.0 ppb (29) N/A N/A 3.0 ppb (2) 0.73 ppb (8) N/A N/A 38.0
 
March 17, 2019, 9 a.m. 47.3 ppb (44) 13.6 ppb (13) N/A 34.0 ppb (31) N/A N/A 3.0 ppb (2) 0.82 ppb (9) N/A N/A 44.0
 
March 17, 2019, 8 a.m. 62.5 ppb (59) 28.2 ppb (26) N/A 34.0 ppb (31) N/A N/A 3.0 ppb (2) 0.93 ppb (10) N/A N/A 59.0
 
March 17, 2019, 7 a.m. 54.3 ppb (50) 16.7 ppb (15) N/A 38.0 ppb (35) N/A N/A 3.0 ppb (2) 0.89 ppb (10) N/A N/A 50.0
 
March 17, 2019, 6 a.m. 50.8 ppb (47) 10.6 ppb (10) N/A 40.0 ppb (37) N/A N/A 3.0 ppb (2) 0.89 ppb (10) N/A N/A 47.0
 
March 17, 2019, 5 a.m. 33.8 ppb (31) 2.5 ppb (2) N/A 31.0 ppb (29) N/A N/A 8.0 ppb (6) 0.64 ppb (7) N/A N/A 31.0
 
March 17, 2019, 4 a.m. 33.9 ppb (31) 1.4 ppb (1) N/A 33.0 ppb (31) N/A N/A 12.0 ppb (9) 0.59 ppb (7) N/A N/A 31.0
 
March 17, 2019, 3 a.m. 34.9 ppb (32) 1.4 ppb (1) N/A 34.0 ppb (31) N/A N/A 16.0 ppb (12) 0.62 ppb (7) N/A N/A 32.0
 
March 17, 2019, 2 a.m. 23.3 ppb (22) 0.6 ppb (1) N/A 23.0 ppb (21) N/A N/A 34.0 ppb (26) 0.45 ppb (5) N/A N/A 26.0
 
March 17, 2019, 1 a.m. 9.8 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 61.0 ppb (47) 0.35 ppb (4) N/A N/A 47.0
 
March 17, 2019, midnight 8.3 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 65.0 ppb (50) 0.34 ppb (4) N/A N/A 50.0
 
March 16, 2019, 11 p.m. 4.2 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 63.0 ppb (48) 0.28 ppb (3) N/A N/A 48.0
 
March 16, 2019, 10 p.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (48) 0.24 ppb (3) N/A N/A 48.0
 
March 16, 2019, 9 p.m. 3.5 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 63.0 ppb (48) 0.25 ppb (3) N/A N/A 48.0
 
March 16, 2019, 8 p.m. 4.6 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 59.0 ppb (45) 0.26 ppb (3) N/A N/A 45.0
 
March 16, 2019, 7 p.m. 8.2 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 54.0 ppb (42) 0.28 ppb (3) N/A N/A 42.0
 
March 16, 2019, 6 p.m. 12.7 ppb (12) 2.8 ppb (3) N/A 10.0 ppb (9) N/A N/A 46.0 ppb (35) 0.32 ppb (4) N/A N/A 35.0
 
March 16, 2019, 5 p.m. 24.4 ppb (23) 7.7 ppb (7) N/A 17.0 ppb (16) N/A N/A 34.0 ppb (26) 0.4 ppb (4) N/A N/A 26.0
 
March 16, 2019, 4 p.m. 65.5 ppb (62) 33.4 ppb (31) N/A 32.0 ppb (30) N/A N/A 13.0 ppb (10) 0.68 ppb (8) N/A N/A 62.0
 
March 16, 2019, 3 p.m. 96.2 ppb (95) 61.3 ppb (58) N/A 35.0 ppb (32) N/A N/A 6.0 ppb (5) 0.85 ppb (9) N/A N/A 95.0
 
March 16, 2019, 2 p.m. 97.6 ppb (96) 64.7 ppb (61) N/A 33.0 ppb (31) N/A N/A 4.0 ppb (3) 0.94 ppb (10) N/A N/A 96.0
 
March 16, 2019, 1 p.m. 66.7 ppb (64) 36.3 ppb (34) N/A 30.0 ppb (28) N/A N/A 3.0 ppb (2) 0.78 ppb (9) N/A N/A 64.0
 
March 16, 2019, noon 86.3 ppb (84) 53.8 ppb (50) N/A 32.0 ppb (30) N/A N/A 3.0 ppb (2) 0.78 ppb (9) N/A N/A 84.0
 
March 16, 2019, 11 a.m. 42.3 ppb (39) 16.7 ppb (15) N/A 26.0 ppb (24) N/A N/A 3.0 ppb (2) 0.63 ppb (7) N/A N/A 39.0
 
March 16, 2019, 10 a.m. 43.7 ppb (40) 17.2 ppb (16) N/A 26.0 ppb (24) N/A N/A 3.0 ppb (2) 0.67 ppb (7) N/A N/A 40.0
 
March 16, 2019, 9 a.m. 42.1 ppb (39) 10.1 ppb (9) N/A 32.0 ppb (30) N/A N/A 3.0 ppb (2) 0.67 ppb (7) N/A N/A 39.0
 
March 16, 2019, 8 a.m. 39.6 ppb (37) 5.2 ppb (5) N/A 34.0 ppb (31) N/A N/A 4.0 ppb (3) 0.62 ppb (7) N/A N/A 37.0
 
March 16, 2019, 7 a.m. 33.5 ppb (31) 1.9 ppb (2) N/A 32.0 ppb (30) N/A N/A 10.0 ppb (8) 0.52 ppb (6) N/A N/A 31.0
 
March 16, 2019, 6 a.m. 27.7 ppb (26) 1.0 ppb (1) N/A 27.0 ppb (25) N/A N/A 14.0 ppb (11) 0.55 ppb (6) N/A N/A 26.0
 
March 16, 2019, 5 a.m. 24.1 ppb (22) 1.0 ppb (1) N/A 23.0 ppb (21) N/A N/A 21.0 ppb (16) 0.49 ppb (5) N/A N/A 22.0
 
March 16, 2019, 4 a.m. 32.2 ppb (30) 2.5 ppb (2) N/A 30.0 ppb (28) N/A N/A 14.0 ppb (11) 0.71 ppb (8) N/A N/A 30.0
 
March 16, 2019, 3 a.m. 24.7 ppb (23) 1.0 ppb (1) N/A 24.0 ppb (22) N/A N/A 25.0 ppb (19) 0.42 ppb (5) N/A N/A 23.0
 
March 16, 2019, 2 a.m. 8.6 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 44.0 ppb (34) 0.3 ppb (3) N/A N/A 34.0
 
March 16, 2019, 1 a.m. 4.0 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (39) 0.26 ppb (3) N/A N/A 39.0
 
March 16, 2019, midnight 3.6 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 53.0 ppb (41) 0.26 ppb (3) N/A N/A 41.0
 
March 15, 2019, 11 p.m. 7.1 ppb (7) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 55.0 ppb (42) 0.28 ppb (3) N/A N/A 42.0
 
March 15, 2019, 10 p.m. 7.4 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 54.0 ppb (42) 0.27 ppb (3) N/A N/A 42.0
 
March 15, 2019, 9 p.m. 10.0 ppb (9) 2.6 ppb (2) N/A 7.0 ppb (6) N/A N/A 51.0 ppb (39) 0.28 ppb (3) N/A N/A 39.0
 
March 15, 2019, 8 p.m. 16.3 ppb (15) 5.3 ppb (5) N/A 11.0 ppb (10) N/A N/A 47.0 ppb (36) 0.24 ppb (3) N/A N/A 36.0
 
March 15, 2019, 7 p.m. 12.4 ppb (11) 3.2 ppb (3) N/A 9.0 ppb (8) N/A N/A 48.0 ppb (37) 0.22 ppb (2) N/A N/A 37.0
 
March 15, 2019, 6 p.m. 23.7 ppb (22) 9.4 ppb (9) N/A 14.0 ppb (13) N/A N/A 42.0 ppb (32) 0.3 ppb (3) N/A N/A 32.0
 
March 15, 2019, 5 p.m. 92.3 ppb (91) 48.3 ppb (45) N/A 43.0 ppb (40) N/A N/A 16.0 ppb (12) 0.76 ppb (8) N/A N/A 91.0
 
March 15, 2019, 4 p.m. 134.9 ppb (107) 89.5 ppb (88) N/A 45.0 ppb (42) N/A N/A 7.0 ppb (5) 1.18 ppb (13) N/A N/A 107.0
 
March 15, 2019, 3 p.m. 140.3 ppb (108) 101.0 ppb (100) N/A 39.0 ppb (36) N/A N/A 5.0 ppb (4) 1.21 ppb (13) N/A N/A 108.0
 
March 15, 2019, 2 p.m. 131.5 ppb (106) 94.9 ppb (94) N/A 37.0 ppb (34) N/A N/A 3.0 ppb (2) 1.15 ppb (13) N/A N/A 106.0
 
March 15, 2019, 1 p.m. 103.1 ppb (100) 67.4 ppb (64) N/A 36.0 ppb (33) N/A N/A 3.0 ppb (2) 0.87 ppb (10) N/A N/A 100.0
 
March 15, 2019, noon 77.7 ppb (75) 43.5 ppb (40) N/A 34.0 ppb (31) N/A N/A 3.0 ppb (2) 0.69 ppb (8) N/A N/A 75.0
 
March 15, 2019, 11 a.m. 89.2 ppb (87) 51.2 ppb (47) N/A 38.0 ppb (35) N/A N/A 3.0 ppb (2) 0.69 ppb (8) N/A N/A 87.0
 
March 15, 2019, 10 a.m. 65.9 ppb (63) 28.8 ppb (27) N/A 37.0 ppb (34) N/A N/A 3.0 ppb (2) 0.63 ppb (7) N/A N/A 63.0
 
March 15, 2019, 9 a.m. 48.2 ppb (45) 11.8 ppb (11) N/A 36.0 ppb (33) N/A N/A 3.0 ppb (2) 0.61 ppb (7) N/A N/A 45.0
 
March 15, 2019, 8 a.m. 52.0 ppb (48) 14.2 ppb (13) N/A 38.0 ppb (35) N/A N/A 3.0 ppb (2) 0.66 ppb (7) N/A N/A 48.0
 
March 15, 2019, 7 a.m. 42.3 ppb (39) 5.2 ppb (5) N/A 37.0 ppb (34) N/A N/A 5.0 ppb (4) 0.6 ppb (7) N/A N/A 39.0
 
March 15, 2019, 6 a.m. 56.9 ppb (53) 15.3 ppb (14) N/A 42.0 ppb (39) N/A N/A 3.0 ppb (2) 0.68 ppb (8) N/A N/A 53.0
 
March 15, 2019, 5 a.m. 55.2 ppb (51) 13.5 ppb (12) N/A 42.0 ppb (39) N/A N/A 3.0 ppb (2) 0.61 ppb (7) N/A N/A 51.0
 
March 15, 2019, 4 a.m. 51.2 ppb (47) 6.3 ppb (6) N/A 45.0 ppb (42) N/A N/A 6.0 ppb (5) 0.58 ppb (6) N/A N/A 47.0
 
March 15, 2019, 3 a.m. 53.2 ppb (49) 6.6 ppb (6) N/A 47.0 ppb (44) N/A N/A 9.0 ppb (7) 0.58 ppb (6) N/A N/A 49.0
 
March 15, 2019, 2 a.m. 17.8 ppb (16) 0.6 ppb (1) N/A 17.0 ppb (16) N/A N/A 43.0 ppb (33) 0.44 ppb (5) N/A N/A 33.0
 
March 15, 2019, 1 a.m. 15.1 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (13) N/A N/A 50.0 ppb (38) 0.39 ppb (4) N/A N/A 38.0
 
March 15, 2019, midnight 12.1 ppb (11) 1.3 ppb (1) N/A 11.0 ppb (10) N/A N/A 54.0 ppb (42) 0.36 ppb (4) N/A N/A 42.0
 
March 14, 2019, 11 p.m. 10.9 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A N/A 55.0 ppb (42) 0.33 ppb (4) N/A N/A 42.0
 
March 14, 2019, 10 p.m. 8.1 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 56.0 ppb (43) 0.31 ppb (3) N/A N/A 43.0
 
March 14, 2019, 9 p.m. 7.1 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 55.0 ppb (42) 0.29 ppb (3) N/A N/A 42.0
 
March 14, 2019, 8 p.m. 7.3 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 54.0 ppb (42) 0.27 ppb (3) N/A N/A 42.0
 
March 14, 2019, 7 p.m. 12.9 ppb (12) 3.2 ppb (3) N/A 10.0 ppb (9) N/A N/A 44.0 ppb (34) 0.31 ppb (3) N/A N/A 34.0
 
March 14, 2019, 6 p.m. 20.0 ppb (19) 9.0 ppb (8) N/A 11.0 ppb (10) N/A N/A 39.0 ppb (30) 0.33 ppb (4) N/A N/A 30.0
 
March 14, 2019, 5 p.m. 22.6 ppb (21) 6.8 ppb (6) N/A 16.0 ppb (15) N/A N/A 34.0 ppb (26) 0.36 ppb (4) N/A N/A 26.0
 
March 14, 2019, 4 p.m. 44.6 ppb (41) 18.0 ppb (17) N/A 27.0 ppb (25) N/A N/A 21.0 ppb (16) 0.5 ppb (6) N/A N/A 41.0
 
March 14, 2019, 3 p.m. 68.6 ppb (66) 34.2 ppb (32) N/A 34.0 ppb (31) N/A N/A 9.0 ppb (7) 0.68 ppb (8) N/A N/A 66.0
 
March 14, 2019, 2 p.m. 64.0 ppb (61) 31.8 ppb (29) N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) 0.72 ppb (8) N/A N/A 61.0
 
March 14, 2019, 1 p.m. 52.6 ppb (49) 21.7 ppb (20) N/A 31.0 ppb (29) N/A N/A 3.0 ppb (2) 0.58 ppb (6) N/A N/A 49.0
 
March 14, 2019, noon 53.7 ppb (50) 22.7 ppb (21) N/A 31.0 ppb (29) N/A N/A 3.0 ppb (2) 0.61 ppb (7) N/A N/A 50.0
 
March 14, 2019, 11 a.m. 46.7 ppb (43) 17.9 ppb (17) N/A 29.0 ppb (27) N/A N/A 3.0 ppb (2) 0.57 ppb (6) N/A N/A 43.0
 
March 14, 2019, 10 a.m. 48.1 ppb (45) 17.9 ppb (17) N/A 30.0 ppb (28) N/A N/A 3.0 ppb (2) 0.57 ppb (6) N/A N/A 45.0
 
March 14, 2019, 9 a.m. 55.1 ppb (51) 21.7 ppb (20) N/A 33.0 ppb (31) N/A N/A 3.0 ppb (2) 0.56 ppb (6) N/A N/A 51.0
 
March 14, 2019, 8 a.m. 53.1 ppb (49) 22.0 ppb (20) N/A 31.0 ppb (29) N/A N/A 3.0 ppb (2) 0.5 ppb (6) N/A N/A 49.0
 
March 14, 2019, 7 a.m. 36.4 ppb (34) 5.2 ppb (5) N/A 31.0 ppb (29) N/A N/A 4.0 ppb (3) 0.44 ppb (5) N/A N/A 34.0
 
March 14, 2019, 6 a.m. 39.8 ppb (37) 8.5 ppb (8) N/A 31.0 ppb (29) N/A N/A 4.0 ppb (3) 0.49 ppb (5) N/A N/A 37.0
 
March 14, 2019, 5 a.m. 36.0 ppb (33) 4.4 ppb (4) N/A 32.0 ppb (30) N/A N/A 7.0 ppb (5) 0.51 ppb (6) N/A N/A 33.0
 
March 14, 2019, 4 a.m. 29.7 ppb (28) 1.3 ppb (1) N/A 28.0 ppb (26) N/A N/A 15.0 ppb (12) 0.43 ppb (5) N/A N/A 28.0
 
March 14, 2019, 3 a.m. 20.7 ppb (19) 0.6 ppb (1) N/A 20.0 ppb (19) N/A N/A 28.0 ppb (22) 0.38 ppb (4) N/A N/A 22.0
 
March 14, 2019, 2 a.m. 15.7 ppb (15) 0.3 ppb (0) N/A 15.0 ppb (14) N/A N/A 35.0 ppb (27) 0.36 ppb (4) N/A N/A 27.0
 
March 14, 2019, 1 a.m. 9.9 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 45.0 ppb (35) 0.31 ppb (3) N/A N/A 35.0
 
March 14, 2019, midnight 8.4 ppb (8) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A 50.0 ppb (38) 0.31 ppb (3) N/A N/A 38.0
 
March 13, 2019, 11 p.m. 8.3 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 51.0 ppb (39) 0.31 ppb (3) N/A N/A 39.0
 
March 13, 2019, 10 p.m. 11.5 ppb (11) 2.3 ppb (2) N/A 9.0 ppb (8) N/A N/A 50.0 ppb (38) 0.32 ppb (4) N/A N/A 38.0
 
March 13, 2019, 9 p.m. 16.2 ppb (15) 5.3 ppb (5) N/A 11.0 ppb (10) N/A N/A 48.0 ppb (37) 0.33 ppb (4) N/A N/A 37.0
 
March 13, 2019, 8 p.m. 18.0 ppb (17) 5.4 ppb (5) N/A 13.0 ppb (12) N/A N/A 43.0 ppb (33) 0.34 ppb (4) N/A N/A 33.0
 
March 13, 2019, 7 p.m. 15.4 ppb (14) 4.6 ppb (4) N/A 11.0 ppb (10) N/A N/A 42.0 ppb (32) 0.32 ppb (4) N/A N/A 32.0
 
March 13, 2019, 6 p.m. 16.0 ppb (15) 6.7 ppb (6) N/A 9.0 ppb (8) N/A N/A 40.0 ppb (31) 0.31 ppb (3) N/A N/A 31.0
 
March 13, 2019, 5 p.m. 15.0 ppb (14) 5.1 ppb (5) N/A 10.0 ppb (9) N/A N/A 38.0 ppb (29) 0.3 ppb (3) N/A N/A 29.0
 
March 13, 2019, 4 p.m. 21.1 ppb (20) 6.8 ppb (6) N/A 14.0 ppb (13) N/A N/A 30.0 ppb (23) 0.35 ppb (4) N/A N/A 23.0
 
March 13, 2019, 3 p.m. 45.8 ppb (42) 20.8 ppb (19) N/A 25.0 ppb (23) N/A N/A 13.0 ppb (10) 0.56 ppb (6) N/A N/A 42.0
 
March 13, 2019, 2 p.m. 43.6 ppb (40) 14.3 ppb (13) N/A 29.0 ppb (27) N/A N/A 6.0 ppb (5) 0.55 ppb (6) N/A N/A 40.0
 
March 13, 2019, 1 p.m. 31.0 ppb (29) 5.8 ppb (5) N/A 25.0 ppb (23) N/A N/A 11.0 ppb (8) 0.46 ppb (5) N/A N/A 29.0
 
March 13, 2019, noon 11.8 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (10) N/A N/A 31.0 ppb (24) 0.32 ppb (4) N/A N/A 24.0
 
March 13, 2019, 11 a.m. 4.7 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.25 ppb (3) N/A N/A 29.0
 
March 13, 2019, 10 a.m. 5.4 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) 0.25 ppb (3) N/A N/A 29.0
 
March 13, 2019, 9 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) 0.25 ppb (3) N/A N/A 28.0