AQSQID: 060590008

Site Name: Anaheim Near Road

Location: Anaheim (Santa Ana Fwy), CA

Reporting: True, Located: True

Current AQI: 31.0

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
March 19, 2019, 4 a.m. 35.2 ppb (33) 12.8 ppb (12) N/A 22.0 ppb (20) N/A N/A N/A 0.68 ppb (8) N/A N/A 33.0
 
March 19, 2019, 3 a.m. 33.2 ppb (31) 12.3 ppb (11) N/A 21.0 ppb (19) N/A N/A N/A 0.59 ppb (7) N/A N/A 31.0
 
March 19, 2019, 2 a.m. 37.6 ppb (35) 13.3 ppb (12) N/A 24.0 ppb (22) N/A N/A N/A 0.61 ppb (7) N/A N/A 35.0
 
March 19, 2019, 1 a.m. 37.5 ppb (35) 14.4 ppb (13) N/A 23.0 ppb (21) N/A N/A N/A 0.63 ppb (7) N/A N/A 35.0
 
March 19, 2019, midnight 37.0 ppb (34) 16.4 ppb (15) N/A 21.0 ppb (19) N/A N/A N/A 0.59 ppb (7) N/A N/A 34.0
 
March 18, 2019, 11 p.m. 38.2 ppb (35) 17.0 ppb (16) N/A 21.0 ppb (19) N/A N/A N/A 0.57 ppb (6) N/A N/A 35.0
 
March 18, 2019, 10 p.m. 45.5 ppb (42) 19.8 ppb (18) N/A 26.0 ppb (24) N/A N/A N/A 0.57 ppb (6) N/A N/A 42.0
 
March 18, 2019, 9 p.m. 38.3 ppb (35) 15.4 ppb (14) N/A 23.0 ppb (21) N/A N/A N/A 0.53 ppb (6) N/A N/A 35.0
 
March 18, 2019, 8 p.m. 41.0 ppb (38) 15.1 ppb (14) N/A 26.0 ppb (24) N/A N/A N/A 0.58 ppb (6) N/A N/A 38.0
 
March 18, 2019, 7 p.m. 43.5 ppb (40) 15.8 ppb (15) N/A 28.0 ppb (26) N/A N/A N/A 0.61 ppb (7) N/A N/A 40.0
 
March 18, 2019, 6 p.m. 57.1 ppb (53) 22.4 ppb (21) N/A 35.0 ppb (32) N/A N/A N/A 0.75 ppb (8) N/A N/A 53.0
 
March 18, 2019, 5 p.m. 65.8 ppb (63) 27.9 ppb (26) N/A 38.0 ppb (35) N/A N/A N/A 0.86 ppb (10) N/A N/A 63.0
 
March 18, 2019, 4 p.m. 75.3 ppb (73) 38.0 ppb (35) N/A 37.0 ppb (34) N/A N/A N/A 0.85 ppb (9) N/A N/A 73.0
 
March 18, 2019, 3 p.m. 77.0 ppb (74) 44.3 ppb (41) N/A 33.0 ppb (31) N/A N/A N/A 1.08 ppb (12) N/A N/A 74.0
 
March 18, 2019, 2 p.m. 92.3 ppb (91) 58.3 ppb (55) N/A 34.0 ppb (31) N/A N/A N/A 1.2 ppb (13) N/A N/A 91.0
 
March 18, 2019, 1 p.m. 81.4 ppb (79) 50.9 ppb (47) N/A 30.0 ppb (28) N/A N/A N/A 1.05 ppb (12) N/A N/A 79.0
 
March 18, 2019, noon 53.2 ppb (49) 24.0 ppb (22) N/A 29.0 ppb (27) N/A N/A N/A 0.76 ppb (8) N/A N/A 49.0
 
March 18, 2019, 11 a.m. 33.9 ppb (31) 11.4 ppb (11) N/A 23.0 ppb (21) N/A N/A N/A 0.48 ppb (5) N/A N/A 31.0
 
March 18, 2019, 10 a.m. 17.9 ppb (17) 3.7 ppb (3) N/A 14.0 ppb (13) N/A N/A N/A 0.37 ppb (4) N/A N/A 17.0
 
March 18, 2019, 9 a.m. 20.8 ppb (19) 2.8 ppb (3) N/A 18.0 ppb (17) N/A N/A N/A 0.37 ppb (4) N/A N/A 19.0
 
March 18, 2019, 8 a.m. 16.0 ppb (15) 1.9 ppb (2) N/A 14.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A N/A 15.0
 
March 18, 2019, 7 a.m. 15.7 ppb (15) 1.9 ppb (2) N/A 14.0 ppb (13) N/A N/A N/A 0.46 ppb (5) N/A N/A 15.0
 
March 18, 2019, 6 a.m. 27.2 ppb (25) 6.4 ppb (6) N/A 21.0 ppb (19) N/A N/A N/A 0.68 ppb (8) N/A N/A 25.0
 
March 18, 2019, 5 a.m. 27.5 ppb (25) 5.2 ppb (5) N/A 22.0 ppb (20) N/A N/A N/A 0.62 ppb (7) N/A N/A 25.0
 
March 18, 2019, 4 a.m. 40.0 ppb (37) 10.2 ppb (9) N/A 30.0 ppb (28) N/A N/A N/A 0.81 ppb (9) N/A N/A 37.0
 
March 18, 2019, 3 a.m. 38.0 ppb (35) 7.0 ppb (6) N/A 31.0 ppb (29) N/A N/A N/A 0.9 ppb (10) N/A N/A 35.0
 
March 18, 2019, 2 a.m. 43.7 ppb (40) 11.8 ppb (11) N/A 32.0 ppb (30) N/A N/A N/A 0.91 ppb (10) N/A N/A 40.0
 
March 18, 2019, 1 a.m. 32.6 ppb (30) 9.9 ppb (9) N/A 23.0 ppb (21) N/A N/A N/A 0.64 ppb (7) N/A N/A 30.0
 
March 18, 2019, midnight 31.2 ppb (29) 11.9 ppb (11) N/A 19.0 ppb (18) N/A N/A N/A 0.65 ppb (7) N/A N/A 29.0
 
March 17, 2019, 11 p.m. 21.2 ppb (20) 8.0 ppb (7) N/A 13.0 ppb (12) N/A N/A N/A 0.53 ppb (6) N/A N/A 20.0
 
March 17, 2019, 10 p.m. 24.2 ppb (22) 8.6 ppb (8) N/A 16.0 ppb (15) N/A N/A N/A 0.53 ppb (6) N/A N/A 22.0
 
March 17, 2019, 9 p.m. 20.8 ppb (19) 7.2 ppb (7) N/A 14.0 ppb (13) N/A N/A N/A 0.54 ppb (6) N/A N/A 19.0
 
March 17, 2019, 8 p.m. 11.4 ppb (11) 3.9 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.34 ppb (4) N/A N/A 11.0
 
March 17, 2019, 7 p.m. 6.3 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.29 ppb (3) N/A N/A 6.0
 
March 17, 2019, 6 p.m. 8.6 ppb (8) 3.5 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (3) N/A N/A 8.0
 
March 17, 2019, 5 p.m. 12.3 ppb (11) 4.1 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.29 ppb (3) N/A N/A 11.0
 
March 17, 2019, 4 p.m. 15.9 ppb (15) 5.7 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.31 ppb (3) N/A N/A 15.0
 
March 17, 2019, 3 p.m. 15.9 ppb (15) 4.7 ppb (4) N/A 11.0 ppb (10) N/A N/A N/A 0.36 ppb (4) N/A N/A 15.0
 
March 17, 2019, 2 p.m. 22.8 ppb (21) 5.0 ppb (5) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A N/A 21.0
 
March 17, 2019, 1 p.m. 22.9 ppb (21) 3.3 ppb (3) N/A 20.0 ppb (19) N/A N/A N/A 0.45 ppb (5) N/A N/A 21.0
 
March 17, 2019, noon 25.7 ppb (24) 3.4 ppb (3) N/A 22.0 ppb (20) N/A N/A N/A 0.43 ppb (5) N/A N/A 24.0
 
March 17, 2019, 11 a.m. 29.9 ppb (28) 6.0 ppb (6) N/A 24.0 ppb (22) N/A N/A N/A 0.6 ppb (7) N/A N/A 28.0
 
March 17, 2019, 10 a.m. 31.3 ppb (29) 5.7 ppb (5) N/A 26.0 ppb (24) N/A N/A N/A 0.68 ppb (8) N/A N/A 29.0
 
March 17, 2019, 9 a.m. 36.4 ppb (34) 7.6 ppb (7) N/A 29.0 ppb (27) N/A N/A N/A 0.85 ppb (9) N/A N/A 34.0
 
March 17, 2019, 8 a.m. 39.7 ppb (37) 10.6 ppb (10) N/A 29.0 ppb (27) N/A N/A N/A 0.92 ppb (10) N/A N/A 37.0
 
March 17, 2019, 7 a.m. 28.0 ppb (26) 6.0 ppb (6) N/A 22.0 ppb (20) N/A N/A N/A 0.65 ppb (7) N/A N/A 26.0
 
March 17, 2019, 6 a.m. 25.5 ppb (24) 5.6 ppb (5) N/A 20.0 ppb (19) N/A N/A N/A 0.66 ppb (7) N/A N/A 24.0
 
March 17, 2019, 5 a.m. 27.9 ppb (26) 4.9 ppb (5) N/A 23.0 ppb (21) N/A N/A N/A 0.61 ppb (7) N/A N/A 26.0
 
March 17, 2019, 4 a.m. 37.8 ppb (35) 5.4 ppb (5) N/A 32.0 ppb (30) N/A N/A N/A 0.71 ppb (8) N/A N/A 35.0
 
March 17, 2019, 3 a.m. 41.3 ppb (38) 7.2 ppb (7) N/A 34.0 ppb (31) N/A N/A N/A 0.71 ppb (8) N/A N/A 38.0
 
March 17, 2019, 2 a.m. 44.7 ppb (41) 11.0 ppb (10) N/A 34.0 ppb (31) N/A N/A N/A 0.84 ppb (9) N/A N/A 41.0
 
March 17, 2019, 1 a.m. 37.7 ppb (35) 11.4 ppb (11) N/A 26.0 ppb (24) N/A N/A N/A 0.68 ppb (8) N/A N/A 35.0
 
March 17, 2019, midnight 30.9 ppb (29) 11.7 ppb (11) N/A 19.0 ppb (18) N/A N/A N/A 0.6 ppb (7) N/A N/A 29.0
 
March 16, 2019, 11 p.m. 15.0 ppb (14) 5.4 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.34 ppb (4) N/A N/A 14.0
 
March 16, 2019, 10 p.m. 5.5 ppb (5) 2.7 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A 0.26 ppb (3) N/A N/A 5.0
 
March 16, 2019, 9 p.m. 7.3 ppb (7) 3.4 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.27 ppb (3) N/A N/A 7.0
 
March 16, 2019, 8 p.m. 5.5 ppb (5) 2.6 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (2) N/A N/A 5.0
 
March 16, 2019, 7 p.m. 6.1 ppb (6) 3.1 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (2) N/A N/A 6.0
 
March 16, 2019, 6 p.m. 4.7 ppb (4) 2.2 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.21 ppb (2) N/A N/A 4.0
 
March 16, 2019, 5 p.m. 7.4 ppb (7) 3.1 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A N/A 7.0
 
March 16, 2019, 4 p.m. 9.9 ppb (9) 3.1 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A N/A 9.0
 
March 16, 2019, 3 p.m. 12.4 ppb (11) 3.7 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.27 ppb (3) N/A N/A 11.0
 
March 16, 2019, 2 p.m. 17.0 ppb (16) 3.6 ppb (3) N/A 13.0 ppb (12) N/A N/A N/A 0.3 ppb (3) N/A N/A 16.0
 
March 16, 2019, 1 p.m. 33.2 ppb (31) 10.3 ppb (10) N/A 23.0 ppb (21) N/A N/A N/A 0.44 ppb (5) N/A N/A 31.0
 
March 16, 2019, noon 31.6 ppb (29) 9.5 ppb (9) N/A 22.0 ppb (20) N/A N/A N/A 0.37 ppb (4) N/A N/A 29.0
 
March 16, 2019, 11 a.m. 35.4 ppb (33) 8.3 ppb (8) N/A 27.0 ppb (25) N/A N/A N/A 0.44 ppb (5) N/A N/A 33.0
 
March 16, 2019, 10 a.m. 40.7 ppb (38) 12.6 ppb (12) N/A 28.0 ppb (26) N/A N/A N/A 0.55 ppb (6) N/A N/A 38.0
 
March 16, 2019, 9 a.m. 19.7 ppb (18) 2.3 ppb (2) N/A 17.0 ppb (16) N/A N/A N/A 0.36 ppb (4) N/A N/A 18.0
 
March 16, 2019, 8 a.m. 25.8 ppb (24) 3.5 ppb (3) N/A 22.0 ppb (20) N/A N/A N/A 0.45 ppb (5) N/A N/A 24.0
 
March 16, 2019, 7 a.m. 24.6 ppb (23) 5.4 ppb (5) N/A 19.0 ppb (18) N/A N/A N/A 0.4 ppb (4) N/A N/A 23.0
 
March 16, 2019, 6 a.m. 22.5 ppb (21) 3.7 ppb (3) N/A 19.0 ppb (18) N/A N/A N/A 0.39 ppb (4) N/A N/A 21.0
 
March 16, 2019, 5 a.m. 25.9 ppb (24) 6.1 ppb (6) N/A 20.0 ppb (19) N/A N/A N/A 0.41 ppb (5) N/A N/A 24.0
 
March 16, 2019, 4 a.m. 19.5 ppb (18) 5.3 ppb (5) N/A 14.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A N/A 18.0
 
March 16, 2019, 3 a.m. 29.7 ppb (28) 8.0 ppb (7) N/A 22.0 ppb (20) N/A N/A N/A 0.52 ppb (6) N/A N/A 28.0
 
March 16, 2019, 2 a.m. 32.3 ppb (30) 11.3 ppb (10) N/A 21.0 ppb (19) N/A N/A N/A 0.48 ppb (5) N/A N/A 30.0
 
March 16, 2019, 1 a.m. 15.2 ppb (14) 7.8 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.37 ppb (4) N/A N/A 14.0
 
March 16, 2019, midnight 15.5 ppb (14) 8.1 ppb (8) N/A 7.0 ppb (6) N/A N/A N/A 0.37 ppb (4) N/A N/A 14.0
 
March 15, 2019, 11 p.m. 13.5 ppb (12) 9.2 ppb (9) N/A 4.0 ppb (4) N/A N/A N/A 0.32 ppb (4) N/A N/A 12.0
 
March 15, 2019, 10 p.m. 15.9 ppb (15) 9.0 ppb (8) N/A 7.0 ppb (6) N/A N/A N/A 0.44 ppb (5) N/A N/A 15.0
 
March 15, 2019, 9 p.m. 7.1 ppb (7) 3.4 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (2) N/A N/A 7.0
 
March 15, 2019, 8 p.m. 8.2 ppb (8) 4.1 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.2 ppb (2) N/A N/A 8.0
 
March 15, 2019, 7 p.m. 7.6 ppb (7) 3.5 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (2) N/A N/A 7.0
 
March 15, 2019, 6 p.m. 9.2 ppb (9) 5.1 ppb (5) N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A N/A 9.0
 
March 15, 2019, 5 p.m. 11.0 ppb (10) 5.6 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A N/A 10.0
 
March 15, 2019, 4 p.m. 12.3 ppb (11) 4.1 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.22 ppb (2) N/A N/A 11.0
 
March 15, 2019, 3 p.m. 30.3 ppb (28) 11.2 ppb (10) N/A 19.0 ppb (18) N/A N/A N/A 0.4 ppb (4) N/A N/A 28.0
 
March 15, 2019, 2 p.m. 31.0 ppb (29) 8.1 ppb (8) N/A 23.0 ppb (21) N/A N/A N/A 0.39 ppb (4) N/A N/A 29.0
 
March 15, 2019, 1 p.m. 26.1 ppb (24) 6.5 ppb (6) N/A 20.0 ppb (19) N/A N/A N/A 0.4 ppb (4) N/A N/A 24.0
 
March 15, 2019, noon 30.5 ppb (28) 10.0 ppb (9) N/A 20.0 ppb (19) N/A N/A N/A 0.46 ppb (5) N/A N/A 28.0
 
March 15, 2019, 11 a.m. 13.7 ppb (13) 2.2 ppb (2) N/A 11.0 ppb (10) N/A N/A N/A 0.21 ppb (2) N/A N/A 13.0
 
March 15, 2019, 10 a.m. 9.2 ppb (9) 1.8 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.16 ppb (2) N/A N/A 9.0
 
March 15, 2019, 9 a.m. 10.6 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A N/A 10.0
 
March 15, 2019, 8 a.m. 7.5 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (2) N/A N/A 7.0
 
March 15, 2019, 7 a.m. 5.4 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (2) N/A N/A 5.0
 
March 15, 2019, 6 a.m. 7.6 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (2) N/A N/A 7.0
 
March 15, 2019, 5 a.m. 9.1 ppb (8) 3.1 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.22 ppb (2) N/A N/A 8.0
 
March 15, 2019, 4 a.m. 7.6 ppb (7) 2.2 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.17 ppb (2) N/A N/A 7.0
 
March 15, 2019, 3 a.m. 12.1 ppb (11) 3.7 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.21 ppb (2) N/A N/A 11.0
 
March 15, 2019, 2 a.m. 12.0 ppb (11) 3.2 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A N/A 11.0
 
March 15, 2019, 1 a.m. 16.3 ppb (15) 7.6 ppb (7) N/A 9.0 ppb (8) N/A N/A N/A 0.34 ppb (4) N/A N/A 15.0
 
March 15, 2019, midnight 18.1 ppb (17) 10.4 ppb (10) N/A 8.0 ppb (7) N/A N/A N/A 0.36 ppb (4) N/A N/A 17.0
 
March 14, 2019, 11 p.m. 20.5 ppb (19) 12.4 ppb (11) N/A 8.0 ppb (7) N/A N/A N/A 0.35 ppb (4) N/A N/A 19.0
 
March 14, 2019, 10 p.m. 16.9 ppb (16) 8.9 ppb (8) N/A 8.0 ppb (7) N/A N/A N/A 0.31 ppb (3) N/A N/A 16.0
 
March 14, 2019, 9 p.m. 8.6 ppb (8) 4.2 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (2) N/A N/A 8.0
 
March 14, 2019, 8 p.m. 10.2 ppb (9) 5.0 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A N/A 9.0
 
March 14, 2019, 7 p.m. 8.6 ppb (8) 4.7 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A N/A 8.0
 
March 14, 2019, 6 p.m. 7.1 ppb (7) 4.2 ppb (4) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A N/A 7.0
 
March 14, 2019, 5 p.m. 9.2 ppb (9) 5.3 ppb (5) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (2) N/A N/A 9.0
 
March 14, 2019, 4 p.m. 8.0 ppb (7) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A N/A 7.0
 
March 14, 2019, 3 p.m. 12.4 ppb (11) 7.0 ppb (6) N/A 5.0 ppb (5) N/A N/A N/A 0.27 ppb (3) N/A N/A 11.0
 
March 14, 2019, 2 p.m. 11.8 ppb (11) 7.1 ppb (7) N/A 5.0 ppb (5) N/A N/A N/A 0.29 ppb (3) N/A N/A 11.0
 
March 14, 2019, 1 p.m. 14.5 ppb (13) 7.7 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A N/A 13.0
 
March 14, 2019, noon 10.0 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (2) N/A N/A 9.0
 
March 14, 2019, 11 a.m. 6.4 ppb (6) 2.7 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (2) N/A N/A 6.0
 
March 14, 2019, 10 a.m. 4.3 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (2) N/A N/A 4.0
 
March 14, 2019, 9 a.m. 17.7 ppb (16) 2.1 ppb (2) N/A 16.0 ppb (15) N/A N/A N/A 0.28 ppb (3) N/A N/A 16.0
 
March 14, 2019, 8 a.m. 41.2 ppb (38) 9.2 ppb (9) N/A 32.0 ppb (30) N/A N/A N/A 0.45 ppb (5) N/A N/A 38.0
 
March 14, 2019, 7 a.m. 36.3 ppb (34) 8.1 ppb (8) N/A 28.0 ppb (26) N/A N/A N/A 0.49 ppb (5) N/A N/A 34.0
 
March 14, 2019, 6 a.m. 21.9 ppb (20) 6.3 ppb (6) N/A 16.0 ppb (15) N/A N/A N/A 0.42 ppb (5) N/A N/A 20.0
 
March 14, 2019, 5 a.m. 39.4 ppb (36) 9.5 ppb (9) N/A 30.0 ppb (28) N/A N/A N/A 0.59 ppb (7) N/A N/A 36.0
 
March 14, 2019, 4 a.m. 40.9 ppb (38) 11.4 ppb (11) N/A 29.0 ppb (27) N/A N/A N/A 0.65 ppb (7) N/A N/A 38.0
 
March 14, 2019, 3 a.m. 35.0 ppb (32) 9.5 ppb (9) N/A 25.0 ppb (23) N/A N/A N/A 0.59 ppb (7) N/A N/A 32.0
 
March 14, 2019, 2 a.m. 36.1 ppb (33) 12.4 ppb (11) N/A 24.0 ppb (22) N/A N/A N/A 0.58 ppb (6) N/A N/A 33.0
 
March 14, 2019, 1 a.m. 35.0 ppb (32) 15.8 ppb (15) N/A 19.0 ppb (18) N/A N/A N/A 0.52 ppb (6) N/A N/A 32.0
 
March 14, 2019, midnight 35.9 ppb (33) 16.4 ppb (15) N/A 20.0 ppb (19) N/A N/A N/A 0.47 ppb (5) N/A N/A 33.0
 
March 13, 2019, 11 p.m. 32.2 ppb (30) 15.3 ppb (14) N/A 17.0 ppb (16) N/A N/A N/A 0.51 ppb (6) N/A N/A 30.0
 
March 13, 2019, 10 p.m. 28.1 ppb (26) 13.2 ppb (12) N/A 15.0 ppb (14) N/A N/A N/A 0.51 ppb (6) N/A N/A 26.0
 
March 13, 2019, 9 p.m. 32.4 ppb (30) 15.1 ppb (14) N/A 17.0 ppb (16) N/A N/A N/A 0.47 ppb (5) N/A N/A 30.0
 
March 13, 2019, 8 p.m. 33.6 ppb (31) 16.2 ppb (15) N/A 17.0 ppb (16) N/A N/A N/A 0.44 ppb (5) N/A N/A 31.0
 
March 13, 2019, 7 p.m. 32.8 ppb (30) 16.0 ppb (15) N/A 17.0 ppb (16) N/A N/A N/A 0.42 ppb (5) N/A N/A 30.0
 
March 13, 2019, 6 p.m. 30.7 ppb (28) 15.2 ppb (14) N/A 15.0 ppb (14) N/A N/A N/A 0.39 ppb (4) N/A N/A 28.0
 
March 13, 2019, 5 p.m. 36.4 ppb (34) 17.9 ppb (17) N/A 18.0 ppb (17) N/A N/A N/A 0.43 ppb (5) N/A N/A 34.0
 
March 13, 2019, 4 p.m. 34.2 ppb (32) 16.5 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.44 ppb (5) N/A N/A 32.0
 
March 13, 2019, 3 p.m. 37.9 ppb (35) 18.2 ppb (17) N/A 20.0 ppb (19) N/A N/A N/A 0.68 ppb (8) N/A N/A 35.0
 
March 13, 2019, 2 p.m. 59.6 ppb (56) 29.8 ppb (28) N/A 30.0 ppb (28) N/A N/A N/A 0.9 ppb (10) N/A N/A 56.0
 
March 13, 2019, 1 p.m. 42.4 ppb (39) 17.2 ppb (16) N/A 25.0 ppb (23) N/A N/A N/A 0.64 ppb (7) N/A N/A 39.0
 
March 13, 2019, noon 33.1 ppb (31) 11.1 ppb (10) N/A 22.0 ppb (20) N/A N/A N/A 0.51 ppb (6) N/A N/A 31.0
 
March 13, 2019, 11 a.m. 14.0 ppb (13) 3.3 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.29 ppb (3) N/A N/A 13.0
 
March 13, 2019, 10 a.m. 3.5 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.19 ppb (2) N/A N/A 3.0
 
March 13, 2019, 9 a.m. 3.5 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (2) N/A N/A 3.0
 
March 13, 2019, 8 a.m. 4.6 ppb (4) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A N/A 4.0
 
March 13, 2019, 7 a.m. 15.7 ppb (15) 5.1 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.34 ppb (4) N/A N/A 15.0
 
March 13, 2019, 5 a.m. 38.2 ppb (35) 20.7 ppb (19) N/A 17.0 ppb (16) N/A N/A N/A 0.64 ppb (7) N/A N/A 35.0
 
March 13, 2019, 4 a.m. 21.4 ppb (20) 9.1 ppb (8) N/A 12.0 ppb (11) N/A N/A N/A 0.49 ppb (5) N/A N/A 20.0
 
March 13, 2019, 3 a.m. 24.2 ppb (22) 9.6 ppb (9) N/A 15.0 ppb (14) N/A N/A N/A 0.47 ppb (5) N/A N/A 22.0
 
March 13, 2019, 2 a.m. 19.1 ppb (18) 7.8 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.42 ppb (5) N/A N/A 18.0
 
March 13, 2019, 1 a.m. 21.7 ppb (20) 10.9 ppb (10) N/A 11.0 ppb (10) N/A N/A N/A 0.46 ppb (5) N/A N/A 20.0
 
March 13, 2019, midnight 30.9 ppb (29) 17.9 ppb (17) N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A N/A 29.0
 
March 12, 2019, 11 p.m. 31.8 ppb (29) 18.0 ppb (17) N/A 14.0 ppb (13) N/A N/A N/A 0.48 ppb (5) N/A N/A 29.0
 
March 12, 2019, 10 p.m. 32.6 ppb (30) 17.0 ppb (16) N/A 16.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A N/A 30.0
 
March 12, 2019, 9 p.m. 33.8 ppb (31) 17.2 ppb (16) N/A 17.0 ppb (16) N/A N/A N/A 0.45 ppb (5) N/A N/A 31.0
 
March 12, 2019, 8 p.m. 33.1 ppb (31) 14.8 ppb (14) N/A 18.0 ppb (17) N/A N/A N/A 0.47 ppb (5) N/A N/A 31.0
 
March 12, 2019, 7 p.m. 35.5 ppb (33) 18.3 ppb (17) N/A 17.0 ppb (16) N/A N/A N/A 0.44 ppb (5) N/A N/A 33.0
 
March 12, 2019, 6 p.m. 41.2 ppb (38) 20.6 ppb (19) N/A 21.0 ppb (19) N/A N/A N/A 0.46 ppb (5) N/A N/A 38.0
 
March 12, 2019, 5 p.m. 36.8 ppb (34) 18.1 ppb (17) N/A 19.0 ppb (18) N/A N/A N/A 0.46 ppb (5) N/A N/A 34.0
 
March 12, 2019, 4 p.m. 56.2 ppb (52) 29.8 ppb (28) N/A 26.0 ppb (24) N/A N/A N/A 0.62 ppb (7) N/A N/A 52.0
 
March 12, 2019, 3 p.m. 56.0 ppb (52) 30.2 ppb (28) N/A 26.0 ppb (24) N/A N/A N/A 0.85 ppb (9) N/A N/A 52.0
 
March 12, 2019, 2 p.m. 62.8 ppb (59) 33.4 ppb (31) N/A 29.0 ppb (27) N/A N/A N/A 0.87 ppb (10) N/A N/A 59.0
 
March 12, 2019, 1 p.m. 48.3 ppb (45) 22.6 ppb (21) N/A 26.0 ppb (24) N/A N/A N/A 0.67 ppb (7) N/A N/A 45.0
 
March 12, 2019, noon 33.4 ppb (31) 12.4 ppb (11) N/A 21.0 ppb (19) N/A N/A N/A 0.51 ppb (6) N/A N/A 31.0
 
March 12, 2019, 11 a.m. 20.8 ppb (19) 6.1 ppb (6) N/A 15.0 ppb (14) N/A N/A N/A 0.42 ppb (5) N/A N/A 19.0
 
March 12, 2019, 10 a.m. 22.0 ppb (20) 4.3 ppb (4) N/A 18.0 ppb (17) N/A N/A N/A 0.34 ppb (4) N/A N/A 20.0
 
March 12, 2019, 9 a.m. 21.4 ppb (20) 4.1 ppb (4) N/A 17.0 ppb (16) N/A N/A N/A 0.35 ppb (4) N/A N/A 20.0
 
March 12, 2019, 8 a.m. 25.9 ppb (24) 5.1 ppb (5) N/A 21.0 ppb (19) N/A N/A N/A 0.43 ppb (5) N/A N/A 24.0
 
March 12, 2019, 7 a.m. 24.2 ppb (22) 4.9 ppb (5) N/A 19.0 ppb (18) N/A N/A N/A 0.47 ppb (5) N/A N/A 22.0
 
March 12, 2019, 6 a.m. 33.7 ppb (31) 10.2 ppb (9) N/A 23.0 ppb (21) N/A N/A N/A 0.51 ppb (6) N/A N/A 31.0
 
March 12, 2019, 5 a.m. 30.3 ppb (28) 7.9 ppb (7) N/A 22.0 ppb (20) N/A N/A N/A 0.45 ppb (5) N/A N/A 28.0
 
March 12, 2019, 4 a.m. 35.6 ppb (33) 11.7 ppb (11) N/A 24.0 ppb (22) N/A N/A N/A 0.54 ppb (6) N/A N/A 33.0