AQSQID: 060590008

Site Name: Anaheim Near Road

Location: Anaheim (Santa Ana Fwy), CA

Reporting: True, Located: True

Current AQI: 23.0

Anaheim (Santa Ana Fwy) CA, US: 33.819305, -117.918759

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 21, 2019, 11 p.m. 21.8 ppb (20) 12.7 ppb (12) N/A 9.0 ppb (8) N/A N/A N/A 0.34 ppb (4) N/A N/A 20.0
 
May 21, 2019, 10 p.m. 24.6 ppb (23) 13.7 ppb (13) N/A 11.0 ppb (10) N/A N/A N/A 0.36 ppb (4) N/A N/A 23.0
 
May 21, 2019, 9 p.m. 22.6 ppb (21) 13.3 ppb (12) N/A 9.0 ppb (8) N/A N/A N/A 0.3 ppb (3) N/A N/A 21.0
 
May 21, 2019, 8 p.m. 25.5 ppb (24) 15.6 ppb (14) N/A 10.0 ppb (9) N/A N/A N/A 0.29 ppb (3) N/A N/A 24.0
 
May 21, 2019, 7 p.m. 29.9 ppb (28) 17.5 ppb (16) N/A 12.0 ppb (11) N/A N/A N/A 0.32 ppb (4) N/A N/A 28.0
 
May 21, 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
May 21, 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
May 21, 2019, 4 p.m. 36.9 ppb (34) 19.7 ppb (18) N/A 17.0 ppb (16) N/A N/A N/A 0.34 ppb (4) N/A N/A 34.0
 
May 21, 2019, 3 p.m. 44.3 ppb (41) 22.3 ppb (21) N/A 22.0 ppb (20) N/A N/A N/A 0.54 ppb (6) N/A N/A 41.0
 
May 21, 2019, 2 p.m. 42.3 ppb (39) 17.6 ppb (16) N/A 25.0 ppb (23) N/A N/A N/A 0.59 ppb (7) N/A N/A 39.0
 
May 21, 2019, 1 p.m. 41.7 ppb (39) 17.4 ppb (16) N/A 24.0 ppb (22) N/A N/A N/A 0.54 ppb (6) N/A N/A 39.0
 
May 21, 2019, noon 16.5 ppb (15) 5.1 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.26 ppb (3) N/A N/A 15.0
 
May 21, 2019, 11 a.m. 7.2 ppb (7) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (2) N/A N/A 7.0
 
May 21, 2019, 10 a.m. 14.2 ppb (13) 3.3 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.22 ppb (2) N/A N/A 13.0
 
May 21, 2019, 9 a.m. 15.0 ppb (14) 3.2 ppb (3) N/A 12.0 ppb (11) N/A N/A N/A 0.24 ppb (3) N/A N/A 14.0
 
May 21, 2019, 8 a.m. 19.7 ppb (18) 4.7 ppb (4) N/A 15.0 ppb (14) N/A N/A N/A 0.31 ppb (3) N/A N/A 18.0
 
May 21, 2019, 7 a.m. 24.9 ppb (23) 7.4 ppb (7) N/A 17.0 ppb (16) N/A N/A N/A 0.4 ppb (4) N/A N/A 23.0
 
May 21, 2019, 6 a.m. 26.1 ppb (24) 7.9 ppb (7) N/A 18.0 ppb (17) N/A N/A N/A 0.47 ppb (5) N/A N/A 24.0
 
May 21, 2019, 5 a.m. 25.5 ppb (24) 7.2 ppb (7) N/A 18.0 ppb (17) N/A N/A N/A 0.48 ppb (5) N/A N/A 24.0
 
May 21, 2019, 4 a.m. 31.4 ppb (29) 10.5 ppb (10) N/A 21.0 ppb (19) N/A N/A N/A 0.51 ppb (6) N/A N/A 29.0
 
May 21, 2019, 3 a.m. 29.9 ppb (28) 10.9 ppb (10) N/A 19.0 ppb (18) N/A N/A N/A 0.54 ppb (6) N/A N/A 28.0
 
May 21, 2019, 2 a.m. 32.0 ppb (30) 14.1 ppb (13) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A N/A 30.0
 
May 21, 2019, 1 a.m. 33.2 ppb (31) 15.1 ppb (14) N/A 18.0 ppb (17) N/A N/A N/A 0.57 ppb (6) N/A N/A 31.0
 
May 21, 2019, midnight 40.7 ppb (38) 19.8 ppb (18) N/A 21.0 ppb (19) N/A N/A N/A 0.48 ppb (5) N/A N/A 38.0
 
May 20, 2019, 11 p.m. 34.6 ppb (32) 17.4 ppb (16) N/A 17.0 ppb (16) N/A N/A N/A 0.53 ppb (6) N/A N/A 32.0
 
May 20, 2019, 10 p.m. 35.7 ppb (33) 18.8 ppb (17) N/A 17.0 ppb (16) N/A N/A N/A 0.45 ppb (5) N/A N/A 33.0
 
May 20, 2019, 9 p.m. 27.1 ppb (25) 14.1 ppb (13) N/A 13.0 ppb (12) N/A N/A N/A 0.35 ppb (4) N/A N/A 25.0
 
May 20, 2019, 8 p.m. 32.7 ppb (30) 16.0 ppb (15) N/A 17.0 ppb (16) N/A N/A N/A 0.35 ppb (4) N/A N/A 30.0
 
May 20, 2019, 7 p.m. 37.1 ppb (34) 17.4 ppb (16) N/A 20.0 ppb (19) N/A N/A N/A 0.41 ppb (5) N/A N/A 34.0
 
May 20, 2019, 6 p.m. 38.9 ppb (36) 18.6 ppb (17) N/A 20.0 ppb (19) N/A N/A N/A 0.39 ppb (4) N/A N/A 36.0
 
May 20, 2019, 5 p.m. 36.8 ppb (34) 17.4 ppb (16) N/A 19.0 ppb (18) N/A N/A N/A 0.4 ppb (4) N/A N/A 34.0
 
May 20, 2019, 4 p.m. 48.0 ppb (44) 24.1 ppb (22) N/A 24.0 ppb (22) N/A N/A N/A 0.45 ppb (5) N/A N/A 44.0
 
May 20, 2019, 3 p.m. 41.7 ppb (39) 20.4 ppb (19) N/A 21.0 ppb (19) N/A N/A N/A 0.62 ppb (7) N/A N/A 39.0
 
May 20, 2019, 2 p.m. 54.1 ppb (50) 28.1 ppb (26) N/A 26.0 ppb (24) N/A N/A N/A 0.73 ppb (8) N/A N/A 50.0
 
May 20, 2019, 1 p.m. 63.1 ppb (60) 31.2 ppb (29) N/A 32.0 ppb (30) N/A N/A N/A 0.79 ppb (9) N/A N/A 60.0
 
May 20, 2019, noon 50.4 ppb (47) 22.3 ppb (21) N/A 28.0 ppb (26) N/A N/A N/A 0.64 ppb (7) N/A N/A 47.0
 
May 20, 2019, 11 a.m. 23.6 ppb (22) 10.3 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.32 ppb (4) N/A N/A 22.0
 
May 20, 2019, 10 a.m. 14.2 ppb (13) 4.8 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A N/A 13.0
 
May 20, 2019, 9 a.m. 10.0 ppb (9) 4.3 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A N/A 9.0
 
May 20, 2019, 8 a.m. 7.5 ppb (7) 3.3 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.24 ppb (3) N/A N/A 7.0
 
May 20, 2019, 7 a.m. 11.5 ppb (11) 4.2 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.35 ppb (4) N/A N/A 11.0
 
May 20, 2019, 6 a.m. 13.0 ppb (12) 6.0 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.43 ppb (5) N/A N/A 12.0
 
May 20, 2019, 5 a.m. 23.6 ppb (22) 9.4 ppb (9) N/A 14.0 ppb (13) N/A N/A N/A 0.5 ppb (6) N/A N/A 22.0
 
May 20, 2019, 4 a.m. 18.0 ppb (17) 8.6 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.44 ppb (5) N/A N/A 17.0
 
May 20, 2019, 3 a.m. 24.3 ppb (23) 11.2 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.46 ppb (5) N/A N/A 23.0
 
May 20, 2019, 2 a.m. 20.2 ppb (19) 9.3 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A 0.45 ppb (5) N/A N/A 19.0
 
May 20, 2019, 1 a.m. 18.0 ppb (17) 8.7 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.45 ppb (5) N/A N/A 17.0
 
May 20, 2019, midnight 19.8 ppb (18) 9.4 ppb (9) N/A 10.0 ppb (9) N/A N/A N/A 0.42 ppb (5) N/A N/A 18.0
 
May 19, 2019, 11 p.m. 16.8 ppb (16) 7.9 ppb (7) N/A 9.0 ppb (8) N/A N/A N/A 0.39 ppb (4) N/A N/A 16.0
 
May 19, 2019, 10 p.m. 15.2 ppb (14) 7.9 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.43 ppb (5) N/A N/A 14.0
 
May 19, 2019, 9 p.m. 17.9 ppb (17) 8.9 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.45 ppb (5) N/A N/A 17.0
 
May 19, 2019, 8 p.m. 22.5 ppb (21) 10.7 ppb (10) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) N/A N/A 21.0
 
May 19, 2019, 7 p.m. 16.1 ppb (15) 6.3 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.46 ppb (5) N/A N/A 15.0
 
May 19, 2019, 6 p.m. 10.0 ppb (9) 4.3 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.31 ppb (3) N/A N/A 9.0
 
May 19, 2019, 5 p.m. 5.6 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.25 ppb (3) N/A N/A 5.0
 
May 19, 2019, 4 p.m. 6.8 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) N/A N/A 6.0
 
May 19, 2019, 3 p.m. 6.7 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.25 ppb (3) N/A N/A 6.0
 
May 19, 2019, 2 p.m. 7.9 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A N/A 7.0
 
May 19, 2019, 1 p.m. 7.8 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A N/A 7.0
 
May 19, 2019, noon 8.9 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.19 ppb (2) N/A N/A 8.0
 
May 19, 2019, 11 a.m. 7.8 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.19 ppb (2) N/A N/A 7.0
 
May 19, 2019, 10 a.m. 13.7 ppb (13) 4.6 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.22 ppb (2) N/A N/A 13.0
 
May 19, 2019, 9 a.m. 14.6 ppb (14) 5.9 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.3 ppb (3) N/A N/A 14.0
 
May 19, 2019, 8 a.m. 10.2 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A N/A 9.0
 
May 19, 2019, 7 a.m. 17.5 ppb (16) 6.9 ppb (6) N/A 11.0 ppb (10) N/A N/A N/A 0.43 ppb (5) N/A N/A 16.0
 
May 19, 2019, 6 a.m. 22.3 ppb (21) 8.3 ppb (8) N/A 14.0 ppb (13) N/A N/A N/A 0.53 ppb (6) N/A N/A 21.0
 
May 19, 2019, 5 a.m. 25.0 ppb (23) 7.7 ppb (7) N/A 17.0 ppb (16) N/A N/A N/A 0.58 ppb (6) N/A N/A 23.0
 
May 19, 2019, 4 a.m. 30.6 ppb (28) 9.7 ppb (9) N/A 21.0 ppb (19) N/A N/A N/A 0.62 ppb (7) N/A N/A 28.0
 
May 19, 2019, 3 a.m. 27.7 ppb (26) 10.3 ppb (10) N/A 17.0 ppb (16) N/A N/A N/A 0.55 ppb (6) N/A N/A 26.0
 
May 19, 2019, 2 a.m. 22.4 ppb (21) 7.7 ppb (7) N/A 15.0 ppb (14) N/A N/A N/A 0.48 ppb (5) N/A N/A 21.0
 
May 19, 2019, 1 a.m. 26.5 ppb (25) 12.0 ppb (11) N/A 15.0 ppb (14) N/A N/A N/A 0.49 ppb (5) N/A N/A 25.0
 
May 19, 2019, midnight 26.8 ppb (25) 12.1 ppb (11) N/A 15.0 ppb (14) N/A N/A N/A 0.54 ppb (6) N/A N/A 25.0
 
May 18, 2019, 11 p.m. 23.4 ppb (22) 10.7 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.48 ppb (5) N/A N/A 22.0
 
May 18, 2019, 10 p.m. 21.8 ppb (20) 10.1 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A 0.45 ppb (5) N/A N/A 20.0
 
May 18, 2019, 9 p.m. 23.4 ppb (22) 10.6 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.41 ppb (5) N/A N/A 22.0
 
May 18, 2019, 8 p.m. 24.6 ppb (23) 11.2 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.43 ppb (5) N/A N/A 23.0
 
May 18, 2019, 7 p.m. 21.7 ppb (20) 9.5 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A 0.44 ppb (5) N/A N/A 20.0
 
May 18, 2019, 6 p.m. 25.0 ppb (23) 10.6 ppb (10) N/A 14.0 ppb (13) N/A N/A N/A 0.47 ppb (5) N/A N/A 23.0
 
May 18, 2019, 5 p.m. 29.0 ppb (27) 14.3 ppb (13) N/A 15.0 ppb (14) N/A N/A N/A 0.51 ppb (6) N/A N/A 27.0
 
May 18, 2019, 4 p.m. 38.3 ppb (35) 17.8 ppb (16) N/A 21.0 ppb (19) N/A N/A N/A 0.57 ppb (6) N/A N/A 35.0
 
May 18, 2019, 3 p.m. 32.8 ppb (30) 14.5 ppb (13) N/A 18.0 ppb (17) N/A N/A N/A 0.46 ppb (5) N/A N/A 30.0
 
May 18, 2019, 2 p.m. 45.3 ppb (42) 23.5 ppb (22) N/A 22.0 ppb (20) N/A N/A N/A 0.51 ppb (6) N/A N/A 42.0
 
May 18, 2019, 1 p.m. 41.4 ppb (38) 18.8 ppb (17) N/A 23.0 ppb (21) N/A N/A N/A 0.51 ppb (6) N/A N/A 38.0
 
May 18, 2019, noon 26.5 ppb (25) 10.3 ppb (10) N/A 16.0 ppb (15) N/A N/A N/A 0.37 ppb (4) N/A N/A 25.0
 
May 18, 2019, 11 a.m. 20.4 ppb (19) 6.4 ppb (6) N/A 14.0 ppb (13) N/A N/A N/A 0.27 ppb (3) N/A N/A 19.0
 
May 18, 2019, 10 a.m. 19.1 ppb (18) 7.6 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.27 ppb (3) N/A N/A 18.0
 
May 18, 2019, 9 a.m. 12.9 ppb (12) 3.6 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.28 ppb (3) N/A N/A 12.0
 
May 18, 2019, 8 a.m. 12.9 ppb (12) 2.5 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A N/A 12.0
 
May 18, 2019, 7 a.m. 24.0 ppb (22) 7.0 ppb (6) N/A 17.0 ppb (16) N/A N/A N/A 0.53 ppb (6) N/A N/A 22.0
 
May 18, 2019, 6 a.m. 36.6 ppb (34) 12.4 ppb (11) N/A 24.0 ppb (22) N/A N/A N/A 0.62 ppb (7) N/A N/A 34.0
 
May 18, 2019, 5 a.m. 43.2 ppb (40) 16.6 ppb (15) N/A 27.0 ppb (25) N/A N/A N/A 0.65 ppb (7) N/A N/A 40.0
 
May 18, 2019, 4 a.m. 45.4 ppb (42) 18.6 ppb (17) N/A 27.0 ppb (25) N/A N/A N/A 0.54 ppb (6) N/A N/A 42.0
 
May 18, 2019, 3 a.m. 44.1 ppb (41) 17.4 ppb (16) N/A 27.0 ppb (25) N/A N/A N/A 0.56 ppb (6) N/A N/A 41.0
 
May 18, 2019, 2 a.m. 44.6 ppb (41) 19.2 ppb (18) N/A 25.0 ppb (23) N/A N/A N/A 0.57 ppb (6) N/A N/A 41.0
 
May 18, 2019, 1 a.m. 38.2 ppb (35) 16.8 ppb (16) N/A 21.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A N/A 35.0
 
May 18, 2019, midnight 37.9 ppb (35) 18.6 ppb (17) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A N/A 35.0
 
May 17, 2019, 11 p.m. 35.2 ppb (33) 18.7 ppb (17) N/A 17.0 ppb (16) N/A N/A N/A 0.45 ppb (5) N/A N/A 33.0
 
May 17, 2019, 10 p.m. 33.5 ppb (31) 16.2 ppb (15) N/A 17.0 ppb (16) N/A N/A N/A 0.49 ppb (5) N/A N/A 31.0
 
May 17, 2019, 9 p.m. 30.4 ppb (28) 14.1 ppb (13) N/A 16.0 ppb (15) N/A N/A N/A 0.38 ppb (4) N/A N/A 28.0
 
May 17, 2019, 8 p.m. 34.8 ppb (32) 16.0 ppb (15) N/A 19.0 ppb (18) N/A N/A N/A 0.43 ppb (5) N/A N/A 32.0
 
May 17, 2019, 7 p.m. 39.5 ppb (37) 18.4 ppb (17) N/A 21.0 ppb (19) N/A N/A N/A 0.46 ppb (5) N/A N/A 37.0
 
May 17, 2019, 6 p.m. 41.0 ppb (38) 19.8 ppb (18) N/A 21.0 ppb (19) N/A N/A N/A 0.46 ppb (5) N/A N/A 38.0
 
May 17, 2019, 5 p.m. 45.6 ppb (42) 24.1 ppb (22) N/A 21.0 ppb (19) N/A N/A N/A 0.48 ppb (5) N/A N/A 42.0
 
May 17, 2019, 4 p.m. 34.8 ppb (32) 17.3 ppb (16) N/A 17.0 ppb (16) N/A N/A N/A 0.45 ppb (5) N/A N/A 32.0
 
May 17, 2019, 3 p.m. 32.2 ppb (30) 15.6 ppb (14) N/A 17.0 ppb (16) N/A N/A N/A 0.52 ppb (6) N/A N/A 30.0
 
May 17, 2019, 2 p.m. 53.3 ppb (49) 32.4 ppb (30) N/A 21.0 ppb (19) N/A N/A N/A 0.71 ppb (8) N/A N/A 49.0
 
May 17, 2019, 1 p.m. 48.8 ppb (45) 28.5 ppb (26) N/A 20.0 ppb (19) N/A N/A N/A 0.69 ppb (8) N/A N/A 45.0
 
May 17, 2019, noon 39.7 ppb (37) 19.8 ppb (18) N/A 20.0 ppb (19) N/A N/A N/A 0.56 ppb (6) N/A N/A 37.0
 
May 17, 2019, 11 a.m. 16.8 ppb (16) 5.0 ppb (5) N/A 12.0 ppb (11) N/A N/A N/A 0.28 ppb (3) N/A N/A 16.0
 
May 17, 2019, 10 a.m. 8.5 ppb (8) 1.9 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A N/A 8.0
 
May 17, 2019, 9 a.m. 7.3 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.22 ppb (2) N/A N/A 7.0
 
May 17, 2019, 8 a.m. 12.9 ppb (12) 2.1 ppb (2) N/A 11.0 ppb (10) N/A N/A N/A 0.29 ppb (3) N/A N/A 12.0
 
May 17, 2019, 7 a.m. 23.6 ppb (22) 5.2 ppb (5) N/A 18.0 ppb (17) N/A N/A N/A 0.41 ppb (5) N/A N/A 22.0
 
May 17, 2019, 6 a.m. 37.3 ppb (35) 14.1 ppb (13) N/A 23.0 ppb (21) N/A N/A N/A 0.68 ppb (8) N/A N/A 35.0
 
May 17, 2019, 5 a.m. 41.7 ppb (39) 16.6 ppb (15) N/A 25.0 ppb (23) N/A N/A N/A 0.66 ppb (7) N/A N/A 39.0
 
May 17, 2019, 4 a.m. 36.6 ppb (34) 16.0 ppb (15) N/A 21.0 ppb (19) N/A N/A N/A 0.54 ppb (6) N/A N/A 34.0
 
May 17, 2019, 3 a.m. 32.2 ppb (30) 13.5 ppb (12) N/A 19.0 ppb (18) N/A N/A N/A 0.49 ppb (5) N/A N/A 30.0
 
May 17, 2019, 2 a.m. 22.3 ppb (21) 9.8 ppb (9) N/A 13.0 ppb (12) N/A N/A N/A 0.41 ppb (5) N/A N/A 21.0
 
May 17, 2019, 1 a.m. 22.1 ppb (20) 10.7 ppb (10) N/A 11.0 ppb (10) N/A N/A N/A 0.37 ppb (4) N/A N/A 20.0
 
May 17, 2019, midnight 26.1 ppb (24) 13.7 ppb (13) N/A 12.0 ppb (11) N/A N/A N/A 0.38 ppb (4) N/A N/A 24.0
 
May 16, 2019, 11 p.m. 23.8 ppb (22) 12.4 ppb (11) N/A 11.0 ppb (10) N/A N/A N/A 0.39 ppb (4) N/A N/A 22.0
 
May 16, 2019, 10 p.m. 22.4 ppb (21) 12.2 ppb (11) N/A 10.0 ppb (9) N/A N/A N/A 0.38 ppb (4) N/A N/A 21.0
 
May 16, 2019, 9 p.m. 23.0 ppb (21) 12.1 ppb (11) N/A 11.0 ppb (10) N/A N/A N/A 0.33 ppb (4) N/A N/A 21.0
 
May 16, 2019, 8 p.m. 25.9 ppb (24) 13.9 ppb (13) N/A 12.0 ppb (11) N/A N/A N/A 0.3 ppb (3) N/A N/A 24.0
 
May 16, 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
May 16, 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
May 16, 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
May 16, 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
May 16, 2019, 3 p.m. 28.5 ppb (26) 13.7 ppb (13) N/A 15.0 ppb (14) N/A N/A N/A 0.39 ppb (4) N/A N/A 26.0
 
May 16, 2019, 2 p.m. 32.9 ppb (30) 16.3 ppb (15) N/A 17.0 ppb (16) N/A N/A N/A 0.45 ppb (5) N/A N/A 30.0
 
May 16, 2019, 1 p.m. 31.3 ppb (29) 16.5 ppb (15) N/A 15.0 ppb (14) N/A N/A N/A 0.44 ppb (5) N/A N/A 29.0
 
May 16, 2019, noon 26.5 ppb (25) 11.3 ppb (10) N/A 15.0 ppb (14) N/A N/A N/A 0.36 ppb (4) N/A N/A 25.0
 
May 16, 2019, 11 a.m. 19.1 ppb (18) 7.5 ppb (7) N/A 12.0 ppb (11) N/A N/A N/A 0.27 ppb (3) N/A N/A 18.0
 
May 16, 2019, 10 a.m. 14.6 ppb (14) 4.9 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A N/A 14.0
 
May 16, 2019, 9 a.m. 22.3 ppb (21) 8.4 ppb (8) N/A 14.0 ppb (13) N/A N/A N/A 0.36 ppb (4) N/A N/A 21.0
 
May 16, 2019, 8 a.m. 21.0 ppb (19) 8.2 ppb (8) N/A 13.0 ppb (12) N/A N/A N/A 0.31 ppb (3) N/A N/A 19.0
 
May 16, 2019, 7 a.m. 30.0 ppb (28) 13.6 ppb (13) N/A 16.0 ppb (15) N/A N/A N/A 0.44 ppb (5) N/A N/A 28.0
 
May 16, 2019, 6 a.m. 35.3 ppb (33) 17.8 ppb (16) N/A 17.0 ppb (16) N/A N/A N/A 0.53 ppb (6) N/A N/A 33.0
 
May 16, 2019, 5 a.m. 39.0 ppb (36) 20.1 ppb (19) N/A 19.0 ppb (18) N/A N/A N/A 0.59 ppb (7) N/A N/A 36.0
 
May 16, 2019, 4 a.m. 45.2 ppb (42) 24.3 ppb (23) N/A 21.0 ppb (19) N/A N/A N/A 0.59 ppb (7) N/A N/A 42.0
 
May 16, 2019, 3 a.m. 39.6 ppb (37) 20.9 ppb (19) N/A 19.0 ppb (18) N/A N/A N/A 0.51 ppb (6) N/A N/A 37.0
 
May 16, 2019, 2 a.m. 30.4 ppb (28) 16.6 ppb (15) N/A 14.0 ppb (13) N/A N/A N/A 0.42 ppb (5) N/A N/A 28.0
 
May 16, 2019, 1 a.m. 37.6 ppb (35) 21.6 ppb (20) N/A 16.0 ppb (15) N/A N/A N/A 0.51 ppb (6) N/A N/A 35.0
 
May 16, 2019, midnight 43.2 ppb (40) 24.4 ppb (23) N/A 19.0 ppb (18) N/A N/A N/A 0.55 ppb (6) N/A N/A 40.0
 
May 15, 2019, 11 p.m. 39.4 ppb (36) 22.3 ppb (21) N/A 17.0 ppb (16) N/A N/A N/A 0.62 ppb (7) N/A N/A 36.0
 
May 15, 2019, 10 p.m. 42.2 ppb (39) 22.8 ppb (21) N/A 19.0 ppb (18) N/A N/A N/A 0.61 ppb (7) N/A N/A 39.0
 
May 15, 2019, 9 p.m. 36.7 ppb (34) 18.8 ppb (17) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A N/A 34.0
 
May 15, 2019, 8 p.m. 39.7 ppb (37) 18.4 ppb (17) N/A 21.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A N/A 37.0
 
May 15, 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
May 15, 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
May 15, 2019, 5 p.m. 52.3 ppb (48) 25.2 ppb (23) N/A 27.0 ppb (25) N/A N/A N/A 0.52 ppb (6) N/A N/A 48.0
 
May 15, 2019, 4 p.m. 48.5 ppb (45) 22.8 ppb (21) N/A 26.0 ppb (24) N/A N/A N/A 0.48 ppb (5) N/A N/A 45.0
 
May 15, 2019, 3 p.m. 34.7 ppb (32) 16.5 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.58 ppb (6) N/A N/A 32.0
 
May 15, 2019, 2 p.m. 42.2 ppb (39) 17.2 ppb (16) N/A 25.0 ppb (23) N/A N/A N/A 0.61 ppb (7) N/A N/A 39.0
 
May 15, 2019, 1 p.m. 49.1 ppb (45) 18.8 ppb (17) N/A 30.0 ppb (28) N/A N/A N/A 0.72 ppb (8) N/A N/A 45.0
 
May 15, 2019, noon 49.7 ppb (46) 21.0 ppb (19) N/A 29.0 ppb (27) N/A N/A N/A 0.58 ppb (6) N/A N/A 46.0
 
May 15, 2019, 11 a.m. 31.0 ppb (29) 10.9 ppb (10) N/A 20.0 ppb (19) N/A N/A N/A 0.39 ppb (4) N/A N/A 29.0
 
May 15, 2019, 10 a.m. 18.2 ppb (17) 5.6 ppb (5) N/A 13.0 ppb (12) N/A N/A N/A 0.31 ppb (3) N/A N/A 17.0
 
May 15, 2019, 9 a.m. 15.5 ppb (14) 4.8 ppb (4) N/A 11.0 ppb (10) N/A N/A N/A 0.29 ppb (3) N/A N/A 14.0
 
May 15, 2019, 8 a.m. 16.3 ppb (15) 4.0 ppb (4) N/A 12.0 ppb (11) N/A N/A N/A 0.32 ppb (4) N/A N/A 15.0
 
May 15, 2019, 7 a.m. 22.7 ppb (21) 7.2 ppb (7) N/A 16.0 ppb (15) N/A N/A N/A 0.46 ppb (5) N/A N/A 21.0
 
May 15, 2019, 6 a.m. 27.5 ppb (25) 8.2 ppb (8) N/A 19.0 ppb (18) N/A N/A N/A 0.46 ppb (5) N/A N/A 25.0
 
May 15, 2019, 5 a.m. 50.5 ppb (47) 20.8 ppb (19) N/A 30.0 ppb (28) N/A N/A N/A 0.88 ppb (10) N/A N/A 47.0
 
May 15, 2019, 4 a.m. 39.9 ppb (37) 16.2 ppb (15) N/A 24.0 ppb (22) N/A N/A N/A 0.62 ppb (7) N/A N/A 37.0
 
May 15, 2019, 3 a.m. 39.1 ppb (36) 17.5 ppb (16) N/A 22.0 ppb (20) N/A N/A N/A 0.55 ppb (6) N/A N/A 36.0
 
May 15, 2019, 2 a.m. 34.9 ppb (32) 15.6 ppb (14) N/A 19.0 ppb (18) N/A N/A N/A 0.55 ppb (6) N/A N/A 32.0
 
May 15, 2019, 1 a.m. 39.4 ppb (36) 21.5 ppb (20) N/A 18.0 ppb (17) N/A N/A N/A 0.57 ppb (6) N/A N/A 36.0
 
May 15, 2019, midnight 32.7 ppb (30) 17.3 ppb (16) N/A 15.0 ppb (14) N/A N/A N/A 0.56 ppb (6) N/A N/A 30.0