AQSQID: 060710026

Site Name: Ontario Near Road

Location: San Bernardino Co, CA

Reporting: True, Located: True

Current AQI: 51.0

San Bernardino Co CA, US: 34.068114, -117.525796

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 23, 2019, 11 p.m. 54.9 ppb (51) 23.1 ppb (21) N/A 32.0 ppb (30) N/A N/A N/A 0.33 ppb (4) N/A N/A 51.0
 
Jan. 23, 2019, 10 p.m. 65.4 ppb (62) 31.5 ppb (29) N/A 34.0 ppb (31) N/A N/A N/A 0.32 ppb (4) N/A N/A 62.0
 
Jan. 23, 2019, 9 p.m. 68.6 ppb (66) 35.1 ppb (32) N/A 34.0 ppb (31) N/A N/A N/A 0.32 ppb (4) N/A N/A 66.0
 
Jan. 23, 2019, 8 p.m. 65.5 ppb (62) 33.0 ppb (31) N/A 33.0 ppb (31) N/A N/A N/A 0.29 ppb (3) N/A N/A 62.0
 
Jan. 23, 2019, 7 p.m. 69.6 ppb (67) 36.3 ppb (34) N/A 33.0 ppb (31) N/A N/A N/A 0.29 ppb (3) N/A N/A 67.0
 
Jan. 23, 2019, 6 p.m. 127.0 ppb (105) 81.0 ppb (79) N/A 46.0 ppb (43) N/A N/A N/A 0.45 ppb (5) N/A N/A 105.0
 
Jan. 23, 2019, 5 p.m. 98.3 ppb (97) 57.8 ppb (54) N/A 40.0 ppb (37) N/A N/A N/A 0.42 ppb (5) N/A N/A 97.0
 
Jan. 23, 2019, 4 p.m. 175.1 ppb (114) 125.0 ppb (105) N/A 50.0 ppb (46) N/A N/A N/A 0.69 ppb (8) N/A N/A 114.0
 
Jan. 23, 2019, 3 p.m. 223.5 ppb (124) 169.2 ppb (113) N/A 54.0 ppb (50) N/A N/A N/A 0.79 ppb (9) N/A N/A 124.0
 
Jan. 23, 2019, 2 p.m. 112.3 ppb (102) 69.8 ppb (67) N/A 42.0 ppb (39) N/A N/A N/A 0.46 ppb (5) N/A N/A 102.0
 
Jan. 23, 2019, 1 p.m. 80.2 ppb (78) 41.0 ppb (38) N/A 39.0 ppb (36) N/A N/A N/A 0.39 ppb (4) N/A N/A 78.0
 
Jan. 23, 2019, noon 61.1 ppb (58) 22.5 ppb (21) N/A 39.0 ppb (36) N/A N/A N/A 0.34 ppb (4) N/A N/A 58.0
 
Jan. 23, 2019, 11 a.m. 53.3 ppb (49) 17.8 ppb (16) N/A 36.0 ppb (33) N/A N/A N/A 0.32 ppb (4) N/A N/A 49.0
 
Jan. 23, 2019, 10 a.m. 62.1 ppb (59) 26.4 ppb (24) N/A 36.0 ppb (33) N/A N/A N/A 0.32 ppb (4) N/A N/A 59.0
 
Jan. 23, 2019, 9 a.m. 43.1 ppb (40) 18.6 ppb (17) N/A 25.0 ppb (23) N/A N/A N/A 0.25 ppb (3) N/A N/A 40.0
 
Jan. 23, 2019, 8 a.m. 4.4 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.1 ppb (1) N/A N/A 5.0
 
Jan. 23, 2019, 7 a.m. 5.4 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 6.0
 
Jan. 23, 2019, 6 a.m. 29.2 ppb (27) 4.1 ppb (4) N/A 25.0 ppb (23) N/A N/A N/A 0.26 ppb (3) N/A N/A 27.0
 
Jan. 23, 2019, 5 a.m. 32.2 ppb (30) 11.0 ppb (10) N/A 21.0 ppb (19) N/A N/A N/A 0.24 ppb (3) N/A N/A 30.0
 
Jan. 23, 2019, 4 a.m. 21.8 ppb (20) 2.4 ppb (2) N/A 19.0 ppb (18) N/A N/A N/A 0.19 ppb (2) N/A N/A 20.0
 
Jan. 23, 2019, 3 a.m. 4.4 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (1) N/A N/A 4.0
 
Jan. 23, 2019, 2 a.m. 4.8 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (1) N/A N/A 4.0
 
Jan. 23, 2019, 1 a.m. 7.2 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.11 ppb (1) N/A N/A 7.0
 
Jan. 23, 2019, midnight 8.3 ppb (8) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.12 ppb (1) N/A N/A 8.0
 
Jan. 22, 2019, 11 p.m. 11.5 ppb (11) 3.2 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.11 ppb (1) N/A N/A 11.0
 
Jan. 22, 2019, 10 p.m. 8.2 ppb (8) 2.6 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 8.0
 
Jan. 22, 2019, 9 p.m. 7.5 ppb (7) 2.6 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.1 ppb (1) N/A N/A 7.0
 
Jan. 22, 2019, 8 p.m. 6.8 ppb (6) 2.6 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (1) N/A N/A 6.0
 
Jan. 22, 2019, 7 p.m. 6.0 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (1) N/A N/A 6.0
 
Jan. 22, 2019, 6 p.m. 5.8 ppb (5) 2.3 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (1) N/A N/A 5.0
 
Jan. 22, 2019, 5 p.m. 5.0 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.1 ppb (1) N/A N/A 5.0
 
Jan. 22, 2019, 4 p.m. 5.4 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (1) N/A N/A 5.0
 
Jan. 22, 2019, 3 p.m. 5.8 ppb (5) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.1 ppb (1) N/A N/A 5.0
 
Jan. 22, 2019, 2 p.m. 4.9 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (1) N/A N/A 5.0
 
Jan. 22, 2019, 1 p.m. 5.7 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.11 ppb (1) N/A N/A 5.0
 
Jan. 22, 2019, noon 6.1 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.11 ppb (1) N/A N/A 6.0
 
Jan. 22, 2019, 11 a.m. 15.5 ppb (14) 0.3 ppb (0) N/A 15.0 ppb (14) N/A N/A N/A 0.14 ppb (2) N/A N/A 14.0
 
Jan. 22, 2019, 10 a.m. 45.1 ppb (42) 12.9 ppb (12) N/A 32.0 ppb (30) N/A N/A N/A 0.29 ppb (3) N/A N/A 42.0
 
Jan. 22, 2019, 9 a.m. 58.3 ppb (55) 24.0 ppb (22) N/A 34.0 ppb (31) N/A N/A N/A 0.37 ppb (4) N/A N/A 55.0
 
Jan. 22, 2019, 8 a.m. 66.5 ppb (63) 32.0 ppb (30) N/A 35.0 ppb (32) N/A N/A N/A 0.4 ppb (4) N/A N/A 63.0
 
Jan. 22, 2019, 7 a.m. 66.1 ppb (63) 31.6 ppb (29) N/A 34.0 ppb (31) N/A N/A N/A 0.38 ppb (4) N/A N/A 63.0
 
Jan. 22, 2019, 6 a.m. 93.7 ppb (92) 51.8 ppb (48) N/A 42.0 ppb (39) N/A N/A N/A 0.42 ppb (5) N/A N/A 92.0
 
Jan. 22, 2019, 5 a.m. 41.7 ppb (39) 6.7 ppb (6) N/A 35.0 ppb (32) N/A N/A N/A 0.3 ppb (3) N/A N/A 39.0
 
Jan. 22, 2019, 4 a.m. 60.1 ppb (56) 25.0 ppb (23) N/A 35.0 ppb (32) N/A N/A N/A 0.34 ppb (4) N/A N/A 56.0
 
Jan. 22, 2019, 3 a.m. 63.7 ppb (60) 29.0 ppb (27) N/A 35.0 ppb (32) N/A N/A N/A 0.35 ppb (4) N/A N/A 60.0
 
Jan. 22, 2019, 2 a.m. 64.9 ppb (62) 30.0 ppb (28) N/A 35.0 ppb (32) N/A N/A N/A 0.38 ppb (4) N/A N/A 62.0
 
Jan. 22, 2019, 1 a.m. 55.2 ppb (51) 23.0 ppb (21) N/A 32.0 ppb (30) N/A N/A N/A 0.31 ppb (3) N/A N/A 51.0
 
Jan. 22, 2019, midnight 35.0 ppb (32) 12.9 ppb (12) N/A 22.0 ppb (20) N/A N/A N/A 0.24 ppb (3) N/A N/A 32.0
 
Jan. 21, 2019, 11 p.m. 34.8 ppb (32) 14.3 ppb (13) N/A 20.0 ppb (19) N/A N/A N/A 0.21 ppb (2) N/A N/A 32.0
 
Jan. 21, 2019, 10 p.m. 42.6 ppb (39) 21.3 ppb (20) N/A 21.0 ppb (19) N/A N/A N/A 0.23 ppb (3) N/A N/A 39.0
 
Jan. 21, 2019, 9 p.m. 18.2 ppb (17) 7.7 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.14 ppb (2) N/A N/A 17.0
 
Jan. 21, 2019, 8 p.m. 29.8 ppb (28) 14.9 ppb (14) N/A 15.0 ppb (14) N/A N/A N/A 0.16 ppb (2) N/A N/A 28.0
 
Jan. 21, 2019, 7 p.m. 55.6 ppb (52) 29.9 ppb (28) N/A 26.0 ppb (24) N/A N/A N/A 0.24 ppb (3) N/A N/A 52.0
 
Jan. 21, 2019, 6 p.m. 56.3 ppb (52) 29.6 ppb (27) N/A 27.0 ppb (25) N/A N/A N/A 0.26 ppb (3) N/A N/A 52.0
 
Jan. 21, 2019, 5 p.m. 68.4 ppb (65) 38.5 ppb (36) N/A 30.0 ppb (28) N/A N/A N/A 0.27 ppb (3) N/A N/A 65.0
 
Jan. 21, 2019, 4 p.m. 64.8 ppb (61) 33.4 ppb (31) N/A 31.0 ppb (29) N/A N/A N/A 0.29 ppb (3) N/A N/A 61.0
 
Jan. 21, 2019, 3 p.m. 79.4 ppb (77) 41.3 ppb (38) N/A 38.0 ppb (35) N/A N/A N/A 0.33 ppb (4) N/A N/A 77.0
 
Jan. 21, 2019, 2 p.m. 50.3 ppb (47) 21.5 ppb (20) N/A 29.0 ppb (27) N/A N/A N/A 0.24 ppb (3) N/A N/A 47.0
 
Jan. 21, 2019, 1 p.m. 57.1 ppb (53) 29.3 ppb (27) N/A 28.0 ppb (26) N/A N/A N/A 0.26 ppb (3) N/A N/A 53.0
 
Jan. 21, 2019, noon 42.1 ppb (39) 22.0 ppb (20) N/A 20.0 ppb (19) N/A N/A N/A 0.2 ppb (2) N/A N/A 39.0
 
Jan. 21, 2019, 11 a.m. 22.7 ppb (21) 9.3 ppb (9) N/A 13.0 ppb (12) N/A N/A N/A 0.17 ppb (2) N/A N/A 21.0
 
Jan. 21, 2019, 10 a.m. 23.5 ppb (22) 11.7 ppb (11) N/A 12.0 ppb (11) N/A N/A N/A 0.14 ppb (2) N/A N/A 22.0
 
Jan. 21, 2019, 9 a.m. 13.5 ppb (12) 5.5 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.14 ppb (2) N/A N/A 12.0
 
Jan. 21, 2019, 8 a.m. 15.4 ppb (14) 6.5 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.13 ppb (1) N/A N/A 14.0
 
Jan. 21, 2019, 7 a.m. 14.3 ppb (13) 5.7 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.16 ppb (2) N/A N/A 13.0
 
Jan. 21, 2019, 6 a.m. 26.7 ppb (25) 12.7 ppb (12) N/A 14.0 ppb (13) N/A N/A N/A 0.26 ppb (3) N/A N/A 25.0
 
Jan. 21, 2019, 5 a.m. 38.4 ppb (36) 16.3 ppb (15) N/A 22.0 ppb (20) N/A N/A N/A 0.32 ppb (4) N/A N/A 36.0
 
Jan. 21, 2019, 4 a.m. 46.2 ppb (43) 21.4 ppb (20) N/A 25.0 ppb (23) N/A N/A N/A 0.37 ppb (4) N/A N/A 43.0
 
Jan. 21, 2019, 3 a.m. 35.1 ppb (32) 13.2 ppb (12) N/A 22.0 ppb (20) N/A N/A N/A 0.36 ppb (4) N/A N/A 32.0
 
Jan. 21, 2019, 2 a.m. 34.4 ppb (32) 11.8 ppb (11) N/A 23.0 ppb (21) N/A N/A N/A 0.4 ppb (4) N/A N/A 32.0
 
Jan. 21, 2019, 1 a.m. 36.0 ppb (33) 11.3 ppb (10) N/A 25.0 ppb (23) N/A N/A N/A 0.42 ppb (5) N/A N/A 33.0
 
Jan. 21, 2019, midnight 35.6 ppb (33) 11.6 ppb (11) N/A 24.0 ppb (22) N/A N/A N/A 0.43 ppb (5) N/A N/A 33.0
 
Jan. 20, 2019, 11 p.m. 30.5 ppb (28) 9.4 ppb (9) N/A 21.0 ppb (19) N/A N/A N/A 0.4 ppb (4) N/A N/A 28.0
 
Jan. 20, 2019, 10 p.m. 31.8 ppb (29) 10.4 ppb (10) N/A 21.0 ppb (19) N/A N/A N/A 0.36 ppb (4) N/A N/A 29.0
 
Jan. 20, 2019, 9 p.m. 25.0 ppb (23) 8.5 ppb (8) N/A 17.0 ppb (16) N/A N/A N/A 0.27 ppb (3) N/A N/A 23.0
 
Jan. 20, 2019, 8 p.m. 32.3 ppb (30) 13.0 ppb (12) N/A 19.0 ppb (18) N/A N/A N/A 0.33 ppb (4) N/A N/A 30.0
 
Jan. 20, 2019, 7 p.m. 44.0 ppb (41) 19.6 ppb (18) N/A 24.0 ppb (22) N/A N/A N/A 0.42 ppb (5) N/A N/A 41.0
 
Jan. 20, 2019, 6 p.m. 53.3 ppb (49) 28.1 ppb (26) N/A 25.0 ppb (23) N/A N/A N/A 0.46 ppb (5) N/A N/A 49.0
 
Jan. 20, 2019, 5 p.m. 65.1 ppb (62) 39.7 ppb (37) N/A 25.0 ppb (23) N/A N/A N/A 0.54 ppb (6) N/A N/A 62.0
 
Jan. 20, 2019, 4 p.m. 34.8 ppb (32) 16.2 ppb (15) N/A 19.0 ppb (18) N/A N/A N/A 0.37 ppb (4) N/A N/A 32.0
 
Jan. 20, 2019, 3 p.m. 37.2 ppb (34) 15.6 ppb (14) N/A 22.0 ppb (20) N/A N/A N/A 0.3 ppb (3) N/A N/A 34.0
 
Jan. 20, 2019, 2 p.m. 34.0 ppb (31) 14.7 ppb (14) N/A 19.0 ppb (18) N/A N/A N/A 0.3 ppb (3) N/A N/A 31.0
 
Jan. 20, 2019, 1 p.m. 27.3 ppb (25) 8.6 ppb (8) N/A 19.0 ppb (18) N/A N/A N/A 0.32 ppb (4) N/A N/A 25.0
 
Jan. 20, 2019, noon 24.1 ppb (22) 4.3 ppb (4) N/A 20.0 ppb (19) N/A N/A N/A 0.33 ppb (4) N/A N/A 22.0
 
Jan. 20, 2019, 11 a.m. 31.0 ppb (29) 6.8 ppb (6) N/A 24.0 ppb (22) N/A N/A N/A 0.38 ppb (4) N/A N/A 29.0
 
Jan. 20, 2019, 10 a.m. 31.9 ppb (30) 11.0 ppb (10) N/A 21.0 ppb (19) N/A N/A N/A 0.55 ppb (6) N/A N/A 30.0
 
Jan. 20, 2019, 9 a.m. 50.4 ppb (47) 27.5 ppb (25) N/A 23.0 ppb (21) N/A N/A N/A 0.57 ppb (6) N/A N/A 47.0
 
Jan. 20, 2019, 8 a.m. 42.9 ppb (40) 18.5 ppb (17) N/A 24.0 ppb (22) N/A N/A N/A 0.66 ppb (7) N/A N/A 40.0
 
Jan. 20, 2019, 7 a.m. 45.2 ppb (42) 16.9 ppb (16) N/A 28.0 ppb (26) N/A N/A N/A 0.63 ppb (7) N/A N/A 42.0
 
Jan. 20, 2019, 6 a.m. 43.8 ppb (41) 19.0 ppb (18) N/A 25.0 ppb (23) N/A N/A N/A 0.63 ppb (7) N/A N/A 41.0
 
Jan. 20, 2019, 5 a.m. 43.5 ppb (40) 18.4 ppb (17) N/A 25.0 ppb (23) N/A N/A N/A 0.57 ppb (6) N/A N/A 40.0
 
Jan. 20, 2019, 4 a.m. 33.2 ppb (31) 8.5 ppb (8) N/A 25.0 ppb (23) N/A N/A N/A 0.52 ppb (6) N/A N/A 31.0
 
Jan. 20, 2019, 3 a.m. 28.8 ppb (27) 3.2 ppb (3) N/A 26.0 ppb (24) N/A N/A N/A 0.45 ppb (5) N/A N/A 27.0
 
Jan. 20, 2019, 2 a.m. 29.5 ppb (27) 3.7 ppb (3) N/A 26.0 ppb (24) N/A N/A N/A 0.34 ppb (4) N/A N/A 27.0
 
Jan. 20, 2019, 1 a.m. 29.4 ppb (27) 3.7 ppb (3) N/A 26.0 ppb (24) N/A N/A N/A 0.32 ppb (4) N/A N/A 27.0
 
Jan. 20, 2019, midnight 40.4 ppb (37) 10.7 ppb (10) N/A 30.0 ppb (28) N/A N/A N/A 0.41 ppb (5) N/A N/A 37.0
 
Jan. 19, 2019, 11 p.m. 26.5 ppb (25) 7.4 ppb (7) N/A 19.0 ppb (18) N/A N/A N/A 0.31 ppb (3) N/A N/A 25.0
 
Jan. 19, 2019, 10 p.m. 14.7 ppb (14) 3.5 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.2 ppb (2) N/A N/A 14.0
 
Jan. 19, 2019, 9 p.m. 24.0 ppb (22) 8.5 ppb (8) N/A 16.0 ppb (15) N/A N/A N/A 0.25 ppb (3) N/A N/A 22.0
 
Jan. 19, 2019, 8 p.m. 33.2 ppb (31) 12.9 ppb (12) N/A 20.0 ppb (19) N/A N/A N/A 0.3 ppb (3) N/A N/A 31.0
 
Jan. 19, 2019, 7 p.m. 30.4 ppb (28) 12.3 ppb (11) N/A 18.0 ppb (17) N/A N/A N/A 0.25 ppb (3) N/A N/A 28.0
 
Jan. 19, 2019, 6 p.m. 64.8 ppb (61) 36.8 ppb (34) N/A 28.0 ppb (26) N/A N/A N/A 0.46 ppb (5) N/A N/A 61.0
 
Jan. 19, 2019, 5 p.m. 50.1 ppb (46) 25.8 ppb (24) N/A 24.0 ppb (22) N/A N/A N/A 0.52 ppb (6) N/A N/A 46.0
 
Jan. 19, 2019, 4 p.m. 83.0 ppb (81) 56.9 ppb (53) N/A 26.0 ppb (24) N/A N/A N/A 0.51 ppb (6) N/A N/A 81.0
 
Jan. 19, 2019, 3 p.m. 91.4 ppb (90) 67.0 ppb (64) N/A 24.0 ppb (22) N/A N/A N/A 0.57 ppb (6) N/A N/A 90.0
 
Jan. 19, 2019, 2 p.m. 73.6 ppb (71) 50.6 ppb (47) N/A 23.0 ppb (21) N/A N/A N/A 0.45 ppb (5) N/A N/A 71.0
 
Jan. 19, 2019, 1 p.m. 65.4 ppb (62) 41.4 ppb (38) N/A 24.0 ppb (22) N/A N/A N/A 0.42 ppb (5) N/A N/A 62.0
 
Jan. 19, 2019, noon 47.7 ppb (44) 25.1 ppb (23) N/A 23.0 ppb (21) N/A N/A N/A 0.42 ppb (5) N/A N/A 44.0
 
Jan. 19, 2019, 11 a.m. 84.0 ppb (82) 60.2 ppb (57) N/A 24.0 ppb (22) N/A N/A N/A 0.61 ppb (7) N/A N/A 82.0
 
Jan. 19, 2019, 10 a.m. 84.6 ppb (83) 58.9 ppb (55) N/A 26.0 ppb (24) N/A N/A N/A 0.66 ppb (7) N/A N/A 83.0
 
Jan. 19, 2019, 9 a.m. 89.0 ppb (87) 61.3 ppb (58) N/A 28.0 ppb (26) N/A N/A N/A 0.71 ppb (8) N/A N/A 87.0
 
Jan. 19, 2019, 8 a.m. 79.7 ppb (77) 53.2 ppb (49) N/A 27.0 ppb (25) N/A N/A N/A 0.71 ppb (8) N/A N/A 77.0
 
Jan. 19, 2019, 7 a.m. 104.8 ppb (101) 74.7 ppb (72) N/A 30.0 ppb (28) N/A N/A N/A 0.8 ppb (9) N/A N/A 101.0
 
Jan. 19, 2019, 6 a.m. 118.3 ppb (103) 83.2 ppb (81) N/A 35.0 ppb (32) N/A N/A N/A 0.95 ppb (11) N/A N/A 103.0
 
Jan. 19, 2019, 5 a.m. 96.5 ppb (95) 68.2 ppb (65) N/A 28.0 ppb (26) N/A N/A N/A 0.76 ppb (8) N/A N/A 95.0
 
Jan. 19, 2019, 4 a.m. 53.8 ppb (50) 31.1 ppb (29) N/A 23.0 ppb (21) N/A N/A N/A 0.48 ppb (5) N/A N/A 50.0
 
Jan. 19, 2019, 3 a.m. 61.2 ppb (58) 36.1 ppb (33) N/A 25.0 ppb (23) N/A N/A N/A 0.52 ppb (6) N/A N/A 58.0
 
Jan. 19, 2019, 2 a.m. 68.1 ppb (65) 32.7 ppb (30) N/A 35.0 ppb (32) N/A N/A N/A 0.52 ppb (6) N/A N/A 65.0
 
Jan. 19, 2019, 1 a.m. 21.6 ppb (20) 0.3 ppb (0) N/A 21.0 ppb (19) N/A N/A N/A 0.28 ppb (3) N/A N/A 20.0
 
Jan. 19, 2019, midnight 18.1 ppb (17) 1.4 ppb (1) N/A 17.0 ppb (16) N/A N/A N/A 0.23 ppb (3) N/A N/A 17.0
 
Jan. 18, 2019, 11 p.m. 27.9 ppb (26) 8.2 ppb (8) N/A 20.0 ppb (19) N/A N/A N/A 0.25 ppb (3) N/A N/A 26.0
 
Jan. 18, 2019, 10 p.m. 52.9 ppb (49) 25.8 ppb (24) N/A 27.0 ppb (25) N/A N/A N/A 0.29 ppb (3) N/A N/A 49.0
 
Jan. 18, 2019, 9 p.m. 43.2 ppb (40) 21.5 ppb (20) N/A 22.0 ppb (20) N/A N/A N/A 0.25 ppb (3) N/A N/A 40.0
 
Jan. 18, 2019, 8 p.m. 63.3 ppb (60) 33.3 ppb (31) N/A 30.0 ppb (28) N/A N/A N/A 0.31 ppb (3) N/A N/A 60.0
 
Jan. 18, 2019, 7 p.m. 58.7 ppb (55) 29.6 ppb (27) N/A 29.0 ppb (27) N/A N/A N/A 0.3 ppb (3) N/A N/A 55.0
 
Jan. 18, 2019, 6 p.m. 45.4 ppb (42) 22.8 ppb (21) N/A 23.0 ppb (21) N/A N/A N/A 0.25 ppb (3) N/A N/A 42.0
 
Jan. 18, 2019, 5 p.m. 65.1 ppb (62) 37.5 ppb (35) N/A 28.0 ppb (26) N/A N/A N/A 0.33 ppb (4) N/A N/A 62.0
 
Jan. 18, 2019, 4 p.m. 146.0 ppb (109) 108.5 ppb (101) N/A 37.0 ppb (34) N/A N/A N/A 0.71 ppb (8) N/A N/A 109.0
 
Jan. 18, 2019, 3 p.m. 92.6 ppb (91) 59.9 ppb (56) N/A 33.0 ppb (31) N/A N/A N/A 0.43 ppb (5) N/A N/A 91.0
 
Jan. 18, 2019, 2 p.m. 46.8 ppb (43) 18.9 ppb (18) N/A 28.0 ppb (26) N/A N/A N/A 0.29 ppb (3) N/A N/A 43.0
 
Jan. 18, 2019, 1 p.m. 37.0 ppb (34) 12.9 ppb (12) N/A 24.0 ppb (22) N/A N/A N/A 0.24 ppb (3) N/A N/A 34.0
 
Jan. 18, 2019, noon 72.1 ppb (69) 38.2 ppb (35) N/A 34.0 ppb (31) N/A N/A N/A 0.34 ppb (4) N/A N/A 69.0
 
Jan. 18, 2019, 11 a.m. 34.5 ppb (32) 10.3 ppb (10) N/A 24.0 ppb (22) N/A N/A N/A 0.25 ppb (3) N/A N/A 32.0
 
Jan. 18, 2019, 10 a.m. 24.4 ppb (23) 4.8 ppb (4) N/A 20.0 ppb (19) N/A N/A N/A 0.19 ppb (2) N/A N/A 23.0
 
Jan. 18, 2019, 9 a.m. 34.0 ppb (31) 12.4 ppb (11) N/A 22.0 ppb (20) N/A N/A N/A 0.21 ppb (2) N/A N/A 31.0
 
Jan. 18, 2019, 8 a.m. 35.8 ppb (33) 14.0 ppb (13) N/A 22.0 ppb (20) N/A N/A N/A 0.23 ppb (3) N/A N/A 33.0
 
Jan. 18, 2019, 7 a.m. 33.3 ppb (31) 12.3 ppb (11) N/A 21.0 ppb (19) N/A N/A N/A 0.24 ppb (3) N/A N/A 31.0
 
Jan. 18, 2019, 6 a.m. 33.8 ppb (31) 12.3 ppb (11) N/A 22.0 ppb (20) N/A N/A N/A 0.26 ppb (3) N/A N/A 31.0
 
Jan. 18, 2019, 5 a.m. 42.4 ppb (39) 16.6 ppb (15) N/A 26.0 ppb (24) N/A N/A N/A 0.27 ppb (3) N/A N/A 39.0
 
Jan. 18, 2019, 4 a.m. 45.1 ppb (42) 18.9 ppb (18) N/A 26.0 ppb (24) N/A N/A N/A 0.3 ppb (3) N/A N/A 42.0
 
Jan. 18, 2019, 3 a.m. 52.1 ppb (48) 22.7 ppb (21) N/A 29.0 ppb (27) N/A N/A N/A 0.34 ppb (4) N/A N/A 48.0
 
Jan. 18, 2019, 2 a.m. 52.2 ppb (48) 24.6 ppb (23) N/A 28.0 ppb (26) N/A N/A N/A 0.32 ppb (4) N/A N/A 48.0
 
Jan. 18, 2019, 1 a.m. 45.2 ppb (42) 20.1 ppb (19) N/A 25.0 ppb (23) N/A N/A N/A 0.28 ppb (3) N/A N/A 42.0
 
Jan. 18, 2019, midnight 46.3 ppb (43) 23.7 ppb (22) N/A 23.0 ppb (21) N/A N/A N/A 0.26 ppb (3) N/A N/A 43.0
 
Jan. 17, 2019, 11 p.m. 50.0 ppb (46) 26.1 ppb (24) N/A 24.0 ppb (22) N/A N/A N/A 0.28 ppb (3) N/A N/A 46.0
 
Jan. 17, 2019, 10 p.m. 44.2 ppb (41) 22.7 ppb (21) N/A 22.0 ppb (20) N/A N/A N/A 0.24 ppb (3) N/A N/A 41.0
 
Jan. 17, 2019, 9 p.m. 43.7 ppb (40) 24.2 ppb (22) N/A 20.0 ppb (19) N/A N/A N/A 0.21 ppb (2) N/A N/A 40.0
 
Jan. 17, 2019, 8 p.m. 52.5 ppb (49) 28.7 ppb (27) N/A 24.0 ppb (22) N/A N/A N/A 0.2 ppb (2) N/A N/A 49.0
 
Jan. 17, 2019, 7 p.m. 67.9 ppb (65) 37.7 ppb (35) N/A 30.0 ppb (28) N/A N/A N/A 0.24 ppb (3) N/A N/A 65.0
 
Jan. 17, 2019, 6 p.m. 84.6 ppb (83) 49.0 ppb (45) N/A 36.0 ppb (33) N/A N/A N/A 0.31 ppb (3) N/A N/A 83.0
 
Jan. 17, 2019, 5 p.m. 80.6 ppb (78) 44.1 ppb (41) N/A 36.0 ppb (33) N/A N/A N/A 0.3 ppb (3) N/A N/A 78.0
 
Jan. 17, 2019, 4 p.m. 84.4 ppb (82) 47.9 ppb (44) N/A 37.0 ppb (34) N/A N/A N/A 0.34 ppb (4) N/A N/A 82.0
 
Jan. 17, 2019, 3 p.m. 68.3 ppb (65) 35.3 ppb (33) N/A 33.0 ppb (31) N/A N/A N/A 0.3 ppb (3) N/A N/A 65.0
 
Jan. 17, 2019, 2 p.m. 64.9 ppb (62) 34.5 ppb (32) N/A 30.0 ppb (28) N/A N/A N/A 0.31 ppb (3) N/A N/A 62.0
 
Jan. 17, 2019, 1 p.m. 68.7 ppb (66) 36.6 ppb (34) N/A 32.0 ppb (30) N/A N/A N/A 0.32 ppb (4) N/A N/A 66.0
 
Jan. 17, 2019, noon 62.9 ppb (59) 31.2 ppb (29) N/A 32.0 ppb (30) N/A N/A N/A 0.3 ppb (3) N/A N/A 59.0
 
Jan. 17, 2019, 11 a.m. 52.6 ppb (49) 22.9 ppb (21) N/A 30.0 ppb (28) N/A N/A N/A 0.22 ppb (2) N/A N/A 49.0
 
Jan. 17, 2019, 10 a.m. 43.6 ppb (40) 20.7 ppb (19) N/A 23.0 ppb (21) N/A N/A N/A 0.18 ppb (2) N/A N/A 40.0
 
Jan. 17, 2019, 9 a.m. 27.6 ppb (26) 9.3 ppb (9) N/A 18.0 ppb (17) N/A N/A N/A 0.18 ppb (2) N/A N/A 26.0
 
Jan. 17, 2019, 8 a.m. 30.2 ppb (28) 11.5 ppb (11) N/A 19.0 ppb (18) N/A N/A N/A 0.17 ppb (2) N/A N/A 28.0
 
Jan. 17, 2019, 7 a.m. 37.2 ppb (34) 14.3 ppb (13) N/A 23.0 ppb (21) N/A N/A N/A 0.21 ppb (2) N/A N/A 34.0
 
Jan. 17, 2019, 6 a.m. 46.5 ppb (43) 18.6 ppb (17) N/A 28.0 ppb (26) N/A N/A N/A 0.26 ppb (3) N/A N/A 43.0
 
Jan. 17, 2019, 5 a.m. 54.6 ppb (51) 22.1 ppb (20) N/A 32.0 ppb (30) N/A N/A N/A 0.31 ppb (3) N/A N/A 51.0
 
Jan. 17, 2019, 4 a.m. 68.6 ppb (66) 34.4 ppb (32) N/A 34.0 ppb (31) N/A N/A N/A 0.36 ppb (4) N/A N/A 66.0
 
Jan. 17, 2019, 3 a.m. 61.5 ppb (58) 25.2 ppb (23) N/A 36.0 ppb (33) N/A N/A N/A 0.36 ppb (4) N/A N/A 58.0
 
Jan. 17, 2019, 2 a.m. 58.8 ppb (55) 21.4 ppb (20) N/A 37.0 ppb (34) N/A N/A N/A 0.39 ppb (4) N/A N/A 55.0
 
Jan. 17, 2019, 1 a.m. 50.1 ppb (46) 14.5 ppb (13) N/A 36.0 ppb (33) N/A N/A N/A 0.31 ppb (3) N/A N/A 46.0
 
Jan. 17, 2019, midnight 26.7 ppb (25) 3.2 ppb (3) N/A 24.0 ppb (22) N/A N/A N/A 0.21 ppb (2) N/A N/A 25.0