AQSQID: 060371302

Site Name: Compton

Location: Compton (E Compton), CA

Reporting: True, Located: True

Current AQI: 25.0

Compton (E Compton) CA, US: 33.9014, -118.205

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 1, 2020, 3 a.m. 14.1 ppb (13) 1.2 ppb (1) N/A 13.0 ppb (12) N/A N/A 33.0 ppb (25) 0.25 ppb (3) N/A N/A 25.0
 
April 1, 2020, 2 a.m. 11.9 ppb (11) 1.1 ppb (1) N/A 11.0 ppb (10) N/A N/A 44.0 ppb (34) 0.22 ppb (2) N/A N/A 34.0
 
April 1, 2020, 1 a.m. 9.9 ppb (9) 1.3 ppb (1) N/A 9.0 ppb (8) N/A N/A 50.0 ppb (38) 0.2 ppb (2) N/A N/A 38.0
 
April 1, 2020, midnight 8.1 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 53.0 ppb (41) 0.17 ppb (2) N/A N/A 41.0
 
March 31, 2020, 11 p.m. 9.7 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 52.0 ppb (40) 0.2 ppb (2) N/A N/A 40.0
 
March 31, 2020, 10 p.m. 13.4 ppb (12) 2.7 ppb (3) N/A 11.0 ppb (10) N/A N/A 50.0 ppb (38) 0.24 ppb (3) N/A N/A 38.0
 
March 31, 2020, 9 p.m. 24.3 ppb (23) 5.4 ppb (5) N/A 19.0 ppb (18) N/A N/A 45.0 ppb (35) 0.36 ppb (4) N/A N/A 35.0
 
March 31, 2020, 8 p.m. 25.6 ppb (24) 6.2 ppb (6) N/A 19.0 ppb (18) N/A N/A 44.0 ppb (34) 0.36 ppb (4) N/A N/A 34.0
 
March 31, 2020, 7 p.m. 35.4 ppb (33) 10.0 ppb (9) N/A 26.0 ppb (24) N/A N/A 33.0 ppb (25) 0.38 ppb (4) N/A N/A 33.0
 
March 31, 2020, 6 p.m. 36.2 ppb (34) 11.5 ppb (11) N/A 25.0 ppb (23) N/A N/A 27.0 ppb (21) 0.38 ppb (4) N/A N/A 34.0
 
March 31, 2020, 5 p.m. 42.1 ppb (39) 16.5 ppb (15) N/A 26.0 ppb (24) N/A N/A 18.0 ppb (14) 0.43 ppb (5) N/A N/A 39.0
 
March 31, 2020, 4 p.m. 55.5 ppb (52) 26.3 ppb (24) N/A 29.0 ppb (27) N/A N/A 10.0 ppb (8) 0.51 ppb (6) N/A N/A 52.0
 
March 31, 2020, 3 p.m. 81.7 ppb (79) 51.6 ppb (48) N/A 30.0 ppb (28) N/A N/A 3.0 ppb (2) 0.73 ppb (8) N/A N/A 79.0
 
March 31, 2020, 2 p.m. 117.8 ppb (103) 94.9 ppb (94) N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 1.72 ppb (19) N/A N/A 103.0
 
March 31, 2020, 1 p.m. 82.5 ppb (80) 62.6 ppb (59) N/A 20.0 ppb (19) N/A N/A -1.0 ppb (0) 1.39 ppb (15) N/A N/A 80.0
 
March 31, 2020, noon 63.2 ppb (60) 44.6 ppb (41) N/A 19.0 ppb (18) N/A N/A -1.0 ppb (0) 1.16 ppb (13) N/A N/A 60.0
 
March 31, 2020, 11 a.m. 51.9 ppb (48) 30.4 ppb (28) N/A 22.0 ppb (20) N/A N/A -1.0 ppb (0) 0.82 ppb (9) N/A N/A 48.0
 
March 31, 2020, 10 a.m. 43.7 ppb (40) 20.4 ppb (19) N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 0.74 ppb (8) N/A N/A 40.0
 
March 31, 2020, 9 a.m. 31.4 ppb (29) 9.5 ppb (9) N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 0.66 ppb (7) N/A N/A 29.0
 
March 31, 2020, 8 a.m. 24.3 ppb (23) 4.6 ppb (4) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.47 ppb (5) N/A N/A 23.0
 
March 31, 2020, 7 a.m. 23.2 ppb (21) 2.6 ppb (2) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) 0.39 ppb (4) N/A N/A 21.0
 
March 31, 2020, 6 a.m. 19.6 ppb (18) 2.2 ppb (2) N/A 17.0 ppb (16) N/A N/A 8.0 ppb (6) 0.36 ppb (4) N/A N/A 18.0
 
March 31, 2020, 5 a.m. 11.2 ppb (10) 1.7 ppb (2) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) 0.23 ppb (3) N/A N/A 15.0
 
March 31, 2020, 4 a.m. 6.1 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.14 ppb (2) N/A N/A 22.0
 
March 31, 2020, 3 a.m. 5.5 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.12 ppb (1) N/A N/A 24.0
 
March 31, 2020, 2 a.m. 6.5 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) 0.13 ppb (1) N/A N/A 25.0
 
March 31, 2020, 1 a.m. 4.4 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.14 ppb (2) N/A N/A 32.0
 
March 31, 2020, midnight 4.2 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) 0.14 ppb (2) N/A N/A 35.0
 
March 30, 2020, 11 p.m. 5.8 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) 0.16 ppb (2) N/A N/A 33.0
 
March 30, 2020, 10 p.m. 7.2 ppb (7) 2.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (35) 0.17 ppb (2) N/A N/A 35.0
 
March 30, 2020, 9 p.m. 10.4 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (7) N/A N/A 46.0 ppb (35) 0.21 ppb (2) N/A N/A 35.0
 
March 30, 2020, 8 p.m. 10.1 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A 45.0 ppb (35) 0.21 ppb (2) N/A N/A 35.0
 
March 30, 2020, 7 p.m. 8.5 ppb (8) 2.9 ppb (3) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (32) 0.17 ppb (2) N/A N/A 32.0
 
March 30, 2020, 6 p.m. 8.8 ppb (8) 3.1 ppb (3) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) 0.16 ppb (2) N/A N/A 28.0
 
March 30, 2020, 5 p.m. 11.3 ppb (10) 4.1 ppb (4) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.17 ppb (2) N/A N/A 25.0
 
March 30, 2020, 4 p.m. 21.1 ppb (20) 7.7 ppb (7) N/A 13.0 ppb (12) N/A N/A 24.0 ppb (18) 0.23 ppb (3) N/A N/A 20.0
 
March 30, 2020, 3 p.m. 44.2 ppb (41) 21.8 ppb (20) N/A 23.0 ppb (21) N/A N/A 10.0 ppb (8) 0.4 ppb (4) N/A N/A 41.0
 
March 30, 2020, 2 p.m. 59.6 ppb (56) 34.8 ppb (32) N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) 0.63 ppb (7) N/A N/A 56.0
 
March 30, 2020, 1 p.m. 58.5 ppb (55) 33.8 ppb (31) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 0.89 ppb (10) N/A N/A 55.0
 
March 30, 2020, noon 41.5 ppb (38) 15.6 ppb (14) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 0.49 ppb (5) N/A N/A 38.0
 
March 30, 2020, 11 a.m. 22.1 ppb (20) 3.6 ppb (3) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (2) 0.37 ppb (4) N/A N/A 20.0
 
March 30, 2020, 10 a.m. 14.4 ppb (13) 1.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) 0.26 ppb (3) N/A N/A 13.0
 
March 30, 2020, 9 a.m. 13.7 ppb (13) 1.7 ppb (2) N/A 12.0 ppb (11) N/A N/A 11.0 ppb (8) 0.25 ppb (3) N/A N/A 13.0
 
March 30, 2020, 8 a.m. 14.2 ppb (13) 1.9 ppb (2) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) 0.24 ppb (3) N/A N/A 13.0
 
March 30, 2020, 7 a.m. 12.3 ppb (11) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) 0.24 ppb (3) N/A N/A 12.0
 
March 30, 2020, 6 a.m. 6.4 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) 0.16 ppb (2) N/A N/A 18.0
 
March 30, 2020, 5 a.m. 5.7 ppb (5) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) 0.14 ppb (2) N/A N/A 24.0
 
March 30, 2020, 4 a.m. 5.3 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.15 ppb (2) N/A N/A 25.0
 
March 30, 2020, 3 a.m. 5.2 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.14 ppb (2) N/A N/A 27.0
 
March 30, 2020, 2 a.m. 3.5 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.14 ppb (2) N/A N/A 29.0
 
March 30, 2020, 1 a.m. 2.7 ppb (3) 1.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) 0.14 ppb (2) N/A N/A 30.0
 
March 30, 2020, midnight 2.2 ppb (2) 1.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) 0.11 ppb (1) N/A N/A 32.0
 
March 29, 2020, 11 p.m. 2.2 ppb (2) 1.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.1 ppb (1) N/A N/A 33.0
 
March 29, 2020, 10 p.m. 2.9 ppb (3) 1.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) 0.11 ppb (1) N/A N/A 34.0
 
March 29, 2020, 9 p.m. 3.9 ppb (4) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.12 ppb (1) N/A N/A 35.0
 
March 29, 2020, 8 p.m. 5.2 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) 0.14 ppb (2) N/A N/A 35.0
 
March 29, 2020, 7 p.m. 7.6 ppb (7) 2.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) 0.14 ppb (2) N/A N/A 31.0
 
March 29, 2020, 6 p.m. 9.0 ppb (8) 2.9 ppb (3) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) 0.14 ppb (2) N/A N/A 29.0
 
March 29, 2020, 5 p.m. 10.1 ppb (9) 3.5 ppb (3) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) 0.16 ppb (2) N/A N/A 26.0
 
March 29, 2020, 4 p.m. 10.5 ppb (10) 3.6 ppb (3) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
March 29, 2020, 3 p.m. 18.2 ppb (17) 5.6 ppb (5) N/A 13.0 ppb (12) N/A N/A 17.0 ppb (13) 0.27 ppb (3) N/A N/A 17.0
 
March 29, 2020, 2 p.m. 16.4 ppb (15) 3.3 ppb (3) N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) 0.28 ppb (3) N/A N/A 15.0
 
March 29, 2020, 1 p.m. 17.1 ppb (16) 2.0 ppb (2) N/A 15.0 ppb (14) N/A N/A 8.0 ppb (6) 0.29 ppb (3) N/A N/A 16.0
 
March 29, 2020, noon 20.4 ppb (19) 2.8 ppb (3) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (2) 0.39 ppb (4) N/A N/A 19.0
 
March 29, 2020, 11 a.m. 21.7 ppb (20) 2.8 ppb (3) N/A 19.0 ppb (18) N/A N/A 2.0 ppb (2) 0.42 ppb (5) N/A N/A 20.0
 
March 29, 2020, 10 a.m. 23.1 ppb (21) 3.2 ppb (3) N/A 20.0 ppb (19) N/A N/A 2.0 ppb (2) 0.51 ppb (6) N/A N/A 21.0
 
March 29, 2020, 9 a.m. 20.5 ppb (19) 2.5 ppb (2) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (3) 0.5 ppb (6) N/A N/A 19.0
 
March 29, 2020, 8 a.m. 13.5 ppb (12) 3.1 ppb (3) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) 0.39 ppb (4) N/A N/A 12.0
 
March 29, 2020, 7 a.m. 6.5 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.16 ppb (2) N/A N/A 25.0
 
March 29, 2020, 6 a.m. 5.7 ppb (5) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.16 ppb (2) N/A N/A 27.0
 
March 29, 2020, 5 a.m. 6.3 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) 0.15 ppb (2) N/A N/A 28.0
 
March 29, 2020, 4 a.m. 5.4 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.17 ppb (2) N/A N/A 28.0
 
March 29, 2020, 3 a.m. 6.0 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) 0.18 ppb (2) N/A N/A 29.0
 
March 29, 2020, 2 a.m. 4.7 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.14 ppb (2) N/A N/A 31.0
 
March 29, 2020, 1 a.m. 4.1 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.12 ppb (1) N/A N/A 32.0
 
March 29, 2020, midnight 3.4 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.12 ppb (1) N/A N/A 35.0
 
March 28, 2020, 11 p.m. 3.8 ppb (4) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.12 ppb (1) N/A N/A 35.0
 
March 28, 2020, 10 p.m. 4.6 ppb (4) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) 0.12 ppb (1) N/A N/A 35.0
 
March 28, 2020, 9 p.m. 7.2 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) 0.13 ppb (1) N/A N/A 33.0
 
March 28, 2020, 8 p.m. 7.4 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) 0.14 ppb (2) N/A N/A 32.0
 
March 28, 2020, 7 p.m. 5.9 ppb (5) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) 0.14 ppb (2) N/A N/A 32.0
 
March 28, 2020, 6 p.m. 6.1 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.14 ppb (2) N/A N/A 30.0
 
March 28, 2020, 5 p.m. 6.8 ppb (6) 2.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.14 ppb (2) N/A N/A 28.0
 
March 28, 2020, 4 p.m. 16.6 ppb (15) 5.6 ppb (5) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) 0.22 ppb (2) N/A N/A 20.0
 
March 28, 2020, 3 p.m. 26.4 ppb (24) 9.3 ppb (9) N/A 17.0 ppb (16) N/A N/A 14.0 ppb (11) 0.31 ppb (3) N/A N/A 24.0
 
March 28, 2020, 2 p.m. 28.3 ppb (26) 8.3 ppb (8) N/A 20.0 ppb (19) N/A N/A 7.0 ppb (5) 0.3 ppb (3) N/A N/A 26.0
 
March 28, 2020, 1 p.m. 33.0 ppb (31) 7.4 ppb (7) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A N/A 31.0
 
March 28, 2020, noon 27.4 ppb (25) 4.3 ppb (4) N/A 23.0 ppb (21) N/A N/A 2.0 ppb (2) 0.35 ppb (4) N/A N/A 25.0
 
March 28, 2020, 11 a.m. 18.7 ppb (17) 1.7 ppb (2) N/A 17.0 ppb (16) N/A N/A 8.0 ppb (6) 0.23 ppb (3) N/A N/A 17.0
 
March 28, 2020, 10 a.m. 18.0 ppb (17) 1.7 ppb (2) N/A 16.0 ppb (15) N/A N/A 9.0 ppb (7) 0.26 ppb (3) N/A N/A 17.0
 
March 28, 2020, 9 a.m. 19.6 ppb (18) 2.1 ppb (2) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (6) 0.29 ppb (3) N/A N/A 18.0
 
March 28, 2020, 8 a.m. 20.9 ppb (19) 1.7 ppb (2) N/A 19.0 ppb (18) N/A N/A 8.0 ppb (6) 0.29 ppb (3) N/A N/A 19.0
 
March 28, 2020, 7 a.m. 20.1 ppb (19) 1.7 ppb (2) N/A 18.0 ppb (17) N/A N/A 11.0 ppb (8) 0.33 ppb (4) N/A N/A 19.0
 
March 28, 2020, 6 a.m. 20.1 ppb (19) 1.6 ppb (1) N/A 18.0 ppb (17) N/A N/A 11.0 ppb (8) 0.37 ppb (4) N/A N/A 19.0
 
March 28, 2020, 5 a.m. 9.3 ppb (9) 1.2 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
 
March 28, 2020, 4 a.m. 7.1 ppb (7) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.17 ppb (2) N/A N/A 23.0
 
March 28, 2020, 3 a.m. 5.5 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.15 ppb (2) N/A N/A 25.0
 
March 28, 2020, 2 a.m. 3.9 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.13 ppb (1) N/A N/A 27.0
 
March 28, 2020, 1 a.m. 3.1 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.1 ppb (1) N/A N/A 29.0
 
March 28, 2020, midnight 3.2 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 0.1 ppb (1) N/A N/A 31.0
 
March 27, 2020, 11 p.m. 3.6 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
March 27, 2020, 10 p.m. 4.0 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.1 ppb (1) N/A N/A 33.0
 
March 27, 2020, 9 p.m. 3.9 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.11 ppb (1) N/A N/A 33.0
 
March 27, 2020, 8 p.m. 3.7 ppb (3) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.11 ppb (1) N/A N/A 32.0
 
March 27, 2020, 7 p.m. 4.8 ppb (4) 2.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.12 ppb (1) N/A N/A 32.0
 
March 27, 2020, 6 p.m. 4.8 ppb (4) 2.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.13 ppb (1) N/A N/A 31.0
 
March 27, 2020, 5 p.m. 6.3 ppb (6) 2.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.13 ppb (1) N/A N/A 29.0
 
March 27, 2020, 4 p.m. 30.8 ppb (29) 13.0 ppb (12) N/A 18.0 ppb (17) N/A N/A 21.0 ppb (16) 0.3 ppb (3) N/A N/A 29.0
 
March 27, 2020, 3 p.m. 84.9 ppb (83) 54.7 ppb (51) N/A 31.0 ppb (29) N/A N/A 5.0 ppb (4) 0.67 ppb (7) N/A N/A 83.0
 
March 27, 2020, 2 p.m. 112.5 ppb (102) 86.3 ppb (84) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 1.29 ppb (14) N/A N/A 102.0
 
March 27, 2020, 1 p.m. 53.4 ppb (49) 28.2 ppb (26) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 0.6 ppb (7) N/A N/A 49.0
 
March 27, 2020, noon 43.7 ppb (40) 16.1 ppb (15) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 0.47 ppb (5) N/A N/A 40.0
 
March 27, 2020, 11 a.m. 15.1 ppb (14) 1.7 ppb (2) N/A 14.0 ppb (13) N/A N/A 18.0 ppb (14) 0.23 ppb (3) N/A N/A 14.0
 
March 27, 2020, 10 a.m. 7.8 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.15 ppb (2) N/A N/A 22.0
 
March 27, 2020, 9 a.m. 11.5 ppb (11) 1.2 ppb (1) N/A 10.0 ppb (9) N/A N/A 23.0 ppb (18) 0.16 ppb (2) N/A N/A 18.0
 
March 27, 2020, 8 a.m. 15.2 ppb (14) 1.3 ppb (1) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.22 ppb (2) N/A N/A 14.0
 
March 27, 2020, 7 a.m. 15.7 ppb (15) 1.3 ppb (1) N/A 15.0 ppb (14) N/A N/A 19.0 ppb (15) 0.22 ppb (2) N/A N/A 15.0
 
March 27, 2020, 6 a.m. 11.9 ppb (11) 1.3 ppb (1) N/A 11.0 ppb (10) N/A N/A 23.0 ppb (18) 0.25 ppb (3) N/A N/A 18.0
 
March 27, 2020, 5 a.m. 3.2 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.09 ppb (1) N/A N/A 27.0
 
March 27, 2020, 4 a.m. 5.2 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.11 ppb (1) N/A N/A 26.0
 
March 27, 2020, 3 a.m. 4.2 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.09 ppb (1) N/A N/A 27.0
 
March 27, 2020, 2 a.m. 3.7 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
March 27, 2020, 1 a.m. 3.5 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) 0.11 ppb (1) N/A N/A 28.0
 
March 27, 2020, midnight 3.4 ppb (3) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.1 ppb (1) N/A N/A 29.0
 
March 26, 2020, 11 p.m. 2.3 ppb (2) 1.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) 0.09 ppb (1) N/A N/A 29.0
 
March 26, 2020, 10 p.m. 2.2 ppb (2) 1.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) 0.09 ppb (1) N/A N/A 29.0
 
March 26, 2020, 9 p.m. 2.5 ppb (2) 1.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) 0.09 ppb (1) N/A N/A 30.0
 
March 26, 2020, 8 p.m. 2.8 ppb (3) 1.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) 0.09 ppb (1) N/A N/A 32.0
 
March 26, 2020, 7 p.m. 3.0 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
March 26, 2020, 6 p.m. 6.6 ppb (6) 2.8 ppb (3) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.13 ppb (1) N/A N/A 30.0
 
March 26, 2020, 5 p.m. 10.1 ppb (9) 3.8 ppb (4) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) 0.17 ppb (2) N/A N/A 27.0
 
March 26, 2020, 4 p.m. 21.1 ppb (20) 7.9 ppb (7) N/A 13.0 ppb (12) N/A N/A 24.0 ppb (18) 0.26 ppb (3) N/A N/A 20.0
 
March 26, 2020, 3 p.m. 40.6 ppb (38) 17.6 ppb (16) N/A 23.0 ppb (21) N/A N/A 15.0 ppb (12) 0.35 ppb (4) N/A N/A 38.0
 
March 26, 2020, 2 p.m. 71.2 ppb (68) 38.5 ppb (36) N/A 33.0 ppb (31) N/A N/A 2.0 ppb (2) 0.99 ppb (11) N/A N/A 68.0
 
March 26, 2020, 1 p.m. 42.0 ppb (39) 12.3 ppb (11) N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) 0.62 ppb (7) N/A N/A 39.0
 
March 26, 2020, noon 18.9 ppb (18) 2.1 ppb (2) N/A 17.0 ppb (16) N/A N/A 16.0 ppb (12) 0.27 ppb (3) N/A N/A 18.0
 
March 26, 2020, 11 a.m. 8.2 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.15 ppb (2) N/A N/A 21.0
 
March 26, 2020, 10 a.m. 6.9 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.12 ppb (1) N/A N/A 24.0
 
March 26, 2020, 9 a.m. 4.9 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.1 ppb (1) N/A N/A 26.0
 
March 26, 2020, 8 a.m. 3.9 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.09 ppb (1) N/A N/A 28.0
 
March 26, 2020, 7 a.m. 3.4 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.09 ppb (1) N/A N/A 29.0
 
March 26, 2020, 6 a.m. 4.0 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.09 ppb (1) N/A N/A 29.0
 
March 26, 2020, 5 a.m. 2.8 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.09 ppb (1) N/A N/A 30.0
 
March 26, 2020, 4 a.m. 2.9 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.09 ppb (1) N/A N/A 30.0
 
March 26, 2020, 3 a.m. 3.5 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.11 ppb (1) N/A N/A 30.0
 
March 26, 2020, 2 a.m. 3.2 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.1 ppb (1) N/A N/A 30.0
 
March 26, 2020, 1 a.m. 2.2 ppb (2) 1.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) 0.08 ppb (1) N/A N/A 30.0
 
March 26, 2020, midnight 2.4 ppb (2) 1.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) 0.08 ppb (1) N/A N/A 28.0
 
March 25, 2020, 11 p.m. 3.1 ppb (3) 1.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.09 ppb (1) N/A N/A 28.0
 
March 25, 2020, 10 p.m. 2.8 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) 0.08 ppb (1) N/A N/A 28.0
 
March 25, 2020, 9 p.m. 2.3 ppb (2) 1.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) 0.08 ppb (1) N/A N/A 29.0
 
March 25, 2020, 8 p.m. 2.1 ppb (2) 1.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) 0.08 ppb (1) N/A N/A 30.0
 
March 25, 2020, 7 p.m. 2.3 ppb (2) 1.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) 0.08 ppb (1) N/A N/A 32.0
 
March 25, 2020, 6 p.m. 3.3 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.09 ppb (1) N/A N/A 30.0
 
March 25, 2020, 5 p.m. 5.4 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
March 25, 2020, 4 p.m. 6.4 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.11 ppb (1) N/A N/A 27.0
 
March 25, 2020, 3 p.m. 15.1 ppb (14) 4.3 ppb (4) N/A 11.0 ppb (10) N/A N/A 29.0 ppb (22) 0.25 ppb (3) N/A N/A 22.0
 
March 25, 2020, 2 p.m. 60.2 ppb (57) 30.7 ppb (28) N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) 0.91 ppb (10) N/A N/A 57.0
 
March 25, 2020, 1 p.m. 37.0 ppb (34) 7.8 ppb (7) N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) 0.49 ppb (5) N/A N/A 34.0
 
March 25, 2020, noon 21.2 ppb (20) 1.5 ppb (1) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (9) 0.3 ppb (3) N/A N/A 20.0
 
March 25, 2020, 11 a.m. 16.6 ppb (15) 1.4 ppb (1) N/A 15.0 ppb (14) N/A N/A 17.0 ppb (13) 0.16 ppb (2) N/A N/A 15.0
 
March 25, 2020, 10 a.m. 8.5 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 24.0 ppb (18) 0.11 ppb (1) N/A N/A 18.0
 
March 25, 2020, 9 a.m. 3.2 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) 0.09 ppb (1) N/A N/A 26.0
 
March 25, 2020, 8 a.m. 3.7 ppb (3) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.09 ppb (1) N/A N/A 27.0
 
March 25, 2020, 7 a.m. 5.4 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.09 ppb (1) N/A N/A 27.0
 
March 25, 2020, 6 a.m. 6.6 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.1 ppb (1) N/A N/A 26.0
 
March 25, 2020, 5 a.m. 4.9 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.11 ppb (1) N/A N/A 27.0
 
March 25, 2020, 4 a.m. 4.5 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.09 ppb (1) N/A N/A 28.0