AQSQID: 060296001

Site Name: Shafter - Walker Street

Location: Shafter, CA

Reporting: True, Located: True

Current AQI: 23.0

Shafter CA, US: 35.5036, -119.2717

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 17, 2019, 7 a.m. 4.6 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 17, 2019, 6 a.m. 4.0 ppb (4) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 17, 2019, 5 a.m. 2.2 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 17, 2019, 4 a.m. 2.6 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 17, 2019, 3 a.m. 1.9 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Sept. 17, 2019, 2 a.m. 2.3 ppb (2) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 17, 2019, 1 a.m. 2.1 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 17, 2019, midnight 1.6 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 16, 2019, 11 p.m. 2.1 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 16, 2019, 10 p.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 16, 2019, 9 p.m. 3.6 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 16, 2019, 8 p.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 16, 2019, 7 p.m. 3.6 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 16, 2019, 6 p.m. 2.4 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 16, 2019, 5 p.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 16, 2019, 4 p.m. 3.4 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 16, 2019, 3 p.m. 11.8 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 16, 2019, 2 p.m. 13.6 ppb (13) 2.3 ppb (2) N/A 11.0 ppb (10) N/A N/A 15.0 ppb (12) N/A N/A N/A 13.0
 
Sept. 16, 2019, 1 p.m. 17.4 ppb (16) 2.1 ppb (2) N/A 15.0 ppb (14) N/A N/A 10.0 ppb (8) N/A N/A N/A 16.0
 
Sept. 16, 2019, 11 a.m. 12.2 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Sept. 16, 2019, 10 a.m. 9.0 ppb (8) 2.2 ppb (2) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 16, 2019, 9 a.m. 4.3 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 16, 2019, 8 a.m. 1.7 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 16, 2019, 7 a.m. 1.8 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 16, 2019, 6 a.m. 2.2 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Sept. 16, 2019, 5 a.m. 2.5 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Sept. 16, 2019, 4 a.m. 3.4 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 16, 2019, 3 a.m. 3.7 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 16, 2019, 2 a.m. 3.5 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 16, 2019, 1 a.m. 2.6 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 16, 2019, midnight 1.4 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (48) N/A N/A N/A 48.0
 
Sept. 15, 2019, 11 p.m. 1.4 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (48) N/A N/A N/A 48.0
 
Sept. 15, 2019, 10 p.m. 1.9 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (49) N/A N/A N/A 49.0
 
Sept. 15, 2019, 9 p.m. 1.9 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (49) N/A N/A N/A 49.0
 
Sept. 15, 2019, 8 p.m. 1.6 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 65.0 ppb (50) N/A N/A N/A 50.0
 
Sept. 15, 2019, 7 p.m. 2.9 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 68.0 ppb (52) N/A N/A N/A 52.0
 
Sept. 15, 2019, 6 p.m. 3.7 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 63.0 ppb (48) N/A N/A N/A 48.0
 
Sept. 15, 2019, 5 p.m. 5.6 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 54.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 15, 2019, 4 p.m. 7.9 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 15, 2019, 3 p.m. 9.1 ppb (8) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 15, 2019, 2 p.m. 11.1 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 15, 2019, 1 p.m. 14.9 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (13) N/A N/A 11.0 ppb (8) N/A N/A N/A 14.0
 
Sept. 15, 2019, 11 a.m. 15.0 ppb (14) 0.0 ppb (0) N/A 15.0 ppb (14) N/A N/A 13.0 ppb (10) N/A N/A N/A 14.0
 
Sept. 15, 2019, 10 a.m. 14.8 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 15, 2019, 9 a.m. 10.8 ppb (10) -0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Sept. 15, 2019, 8 a.m. 10.2 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 15, 2019, 7 a.m. 15.5 ppb (14) 0.0 ppb (0) N/A 15.0 ppb (14) N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 15, 2019, 6 a.m. 14.8 ppb (14) -0.1 ppb (0) N/A 15.0 ppb (14) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 15, 2019, 5 a.m. 9.5 ppb (9) -0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Sept. 15, 2019, 4 a.m. 12.1 ppb (11) -0.3 ppb (0) N/A 12.0 ppb (11) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 15, 2019, 3 a.m. 12.2 ppb (11) -0.3 ppb (0) N/A 13.0 ppb (12) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 15, 2019, 2 a.m. 6.0 ppb (6) -0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 63.0 ppb (48) N/A N/A N/A 48.0
 
Sept. 15, 2019, 1 a.m. 3.4 ppb (3) -0.6 ppb (0) N/A 4.0 ppb (4) N/A N/A 76.0 ppb (59) N/A N/A N/A 59.0
 
Sept. 15, 2019, midnight 1.7 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 78.0 ppb (61) N/A N/A N/A 61.0
 
Sept. 14, 2019, 11 p.m. 1.4 ppb (1) -0.6 ppb (0) N/A 2.0 ppb (2) N/A N/A 74.0 ppb (57) N/A N/A N/A 57.0
 
Sept. 14, 2019, 10 p.m. 1.8 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 75.0 ppb (58) N/A N/A N/A 58.0
 
Sept. 14, 2019, 9 p.m. 2.6 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 76.0 ppb (59) N/A N/A N/A 59.0
 
Sept. 14, 2019, 8 p.m. 3.3 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 78.0 ppb (61) N/A N/A N/A 61.0
 
Sept. 14, 2019, 7 p.m. 3.4 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 77.0 ppb (60) N/A N/A N/A 60.0
 
Sept. 14, 2019, 6 p.m. 7.2 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 72.0 ppb (56) N/A N/A N/A 56.0
 
Sept. 14, 2019, 5 p.m. 13.7 ppb (13) 1.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 60.0 ppb (46) N/A N/A N/A 46.0
 
Sept. 14, 2019, 4 p.m. 20.1 ppb (19) 3.9 ppb (4) N/A 16.0 ppb (15) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 14, 2019, 3 p.m. 18.5 ppb (17) 3.2 ppb (3) N/A 15.0 ppb (14) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 14, 2019, 2 p.m. 21.1 ppb (20) 3.5 ppb (3) N/A 18.0 ppb (17) N/A N/A 16.0 ppb (12) N/A N/A N/A 20.0
 
Sept. 14, 2019, 1 p.m. 19.6 ppb (18) 1.6 ppb (1) N/A 18.0 ppb (17) N/A N/A 9.0 ppb (7) N/A N/A N/A 18.0
 
Sept. 14, 2019, 11 a.m. 24.1 ppb (22) 0.5 ppb (0) N/A 24.0 ppb (22) N/A N/A 11.0 ppb (8) N/A N/A N/A 22.0
 
Sept. 14, 2019, 10 a.m. 16.7 ppb (15) 0.0 ppb (0) N/A 17.0 ppb (16) N/A N/A 20.0 ppb (15) N/A N/A N/A 16.0
 
Sept. 14, 2019, 9 a.m. 16.4 ppb (15) 0.1 ppb (0) N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 14, 2019, 8 a.m. 15.8 ppb (15) 0.2 ppb (0) N/A 16.0 ppb (15) N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
Sept. 14, 2019, 7 a.m. 16.8 ppb (16) 0.1 ppb (0) N/A 17.0 ppb (16) N/A N/A 19.0 ppb (15) N/A N/A N/A 16.0
 
Sept. 14, 2019, 6 a.m. 20.6 ppb (19) 0.8 ppb (1) N/A 20.0 ppb (19) N/A N/A 14.0 ppb (11) N/A N/A N/A 19.0
 
Sept. 14, 2019, 5 a.m. 16.3 ppb (15) 0.0 ppb (0) N/A 16.0 ppb (15) N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
Sept. 14, 2019, 4 a.m. 21.9 ppb (20) 0.2 ppb (0) N/A 22.0 ppb (20) N/A N/A 21.0 ppb (16) N/A N/A N/A 20.0
 
Sept. 14, 2019, 3 a.m. 14.6 ppb (14) -0.2 ppb (0) N/A 15.0 ppb (14) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 14, 2019, 2 a.m. 5.6 ppb (5) -0.6 ppb (0) N/A 6.0 ppb (6) N/A N/A 67.0 ppb (52) N/A N/A N/A 52.0
 
Sept. 14, 2019, 1 a.m. 3.7 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 73.0 ppb (57) N/A N/A N/A 57.0
 
Sept. 14, 2019, midnight 2.2 ppb (2) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (53) N/A N/A N/A 53.0
 
Sept. 13, 2019, 11 p.m. 2.9 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 72.0 ppb (56) N/A N/A N/A 56.0
 
Sept. 13, 2019, 10 p.m. 3.3 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 75.0 ppb (58) N/A N/A N/A 58.0
 
Sept. 13, 2019, 9 p.m. 2.9 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 77.0 ppb (60) N/A N/A N/A 60.0
 
Sept. 13, 2019, 8 p.m. 3.0 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 77.0 ppb (60) N/A N/A N/A 60.0
 
Sept. 13, 2019, 7 p.m. 4.5 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 76.0 ppb (59) N/A N/A N/A 59.0
 
Sept. 13, 2019, 6 p.m. 5.7 ppb (5) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 74.0 ppb (57) N/A N/A N/A 57.0
 
Sept. 13, 2019, 5 p.m. 11.8 ppb (11) 1.2 ppb (1) N/A 11.0 ppb (10) N/A N/A 63.0 ppb (48) N/A N/A N/A 48.0
 
Sept. 13, 2019, 4 p.m. 17.8 ppb (16) 3.2 ppb (3) N/A 15.0 ppb (14) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 13, 2019, 3 p.m. 33.4 ppb (31) 10.5 ppb (10) N/A 23.0 ppb (21) N/A N/A 25.0 ppb (19) N/A N/A N/A 31.0
 
Sept. 13, 2019, 2 p.m. 39.2 ppb (36) 13.6 ppb (13) N/A 26.0 ppb (24) N/A N/A 8.0 ppb (6) N/A N/A N/A 36.0
 
Sept. 13, 2019, 1 p.m. 32.3 ppb (30) 5.7 ppb (5) N/A 27.0 ppb (25) N/A N/A 5.0 ppb (4) N/A N/A N/A 30.0
 
Sept. 13, 2019, 11 a.m. 31.9 ppb (30) 5.2 ppb (5) N/A 27.0 ppb (25) N/A N/A 4.0 ppb (3) N/A N/A N/A 30.0
 
Sept. 13, 2019, 10 a.m. 24.4 ppb (23) 2.7 ppb (3) N/A 22.0 ppb (20) N/A N/A 11.0 ppb (8) N/A N/A N/A 23.0
 
Sept. 13, 2019, 9 a.m. 14.9 ppb (14) 0.2 ppb (0) N/A 15.0 ppb (14) N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 13, 2019, 8 a.m. 18.6 ppb (17) 0.1 ppb (0) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (11) N/A N/A N/A 18.0
 
Sept. 13, 2019, 7 a.m. 22.0 ppb (20) 1.1 ppb (1) N/A 21.0 ppb (19) N/A N/A 13.0 ppb (10) N/A N/A N/A 20.0
 
Sept. 13, 2019, 6 a.m. 22.6 ppb (21) 0.7 ppb (1) N/A 22.0 ppb (20) N/A N/A 15.0 ppb (12) N/A N/A N/A 21.0
 
Sept. 13, 2019, 5 a.m. 14.1 ppb (13) -0.1 ppb (0) N/A 14.0 ppb (13) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 13, 2019, 4 a.m. 19.7 ppb (18) 0.2 ppb (0) N/A 20.0 ppb (19) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 13, 2019, 3 a.m. 20.2 ppb (19) 1.5 ppb (1) N/A 19.0 ppb (18) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Sept. 13, 2019, 2 a.m. 5.0 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 57.0 ppb (44) N/A N/A N/A 44.0
 
Sept. 13, 2019, 1 a.m. 2.5 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 68.0 ppb (52) N/A N/A N/A 52.0
 
Sept. 13, 2019, midnight 2.5 ppb (2) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 72.0 ppb (56) N/A N/A N/A 56.0
 
Sept. 12, 2019, 11 p.m. 3.0 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (51) N/A N/A N/A 51.0
 
Sept. 12, 2019, 10 p.m. 3.0 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 67.0 ppb (52) N/A N/A N/A 52.0
 
Sept. 12, 2019, 9 p.m. 2.6 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 68.0 ppb (52) N/A N/A N/A 52.0
 
Sept. 12, 2019, 8 p.m. 3.5 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 72.0 ppb (56) N/A N/A N/A 56.0
 
Sept. 12, 2019, 7 p.m. 3.9 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 69.0 ppb (53) N/A N/A N/A 53.0
 
Sept. 12, 2019, 6 p.m. 7.2 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 60.0 ppb (46) N/A N/A N/A 46.0
 
Sept. 12, 2019, 5 p.m. 9.6 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 53.0 ppb (41) N/A N/A N/A 41.0
 
Sept. 12, 2019, 4 p.m. 22.1 ppb (20) 7.1 ppb (7) N/A 15.0 ppb (14) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Sept. 12, 2019, 3 p.m. 30.6 ppb (28) 9.5 ppb (9) N/A 21.0 ppb (19) N/A N/A 22.0 ppb (17) N/A N/A N/A 28.0
 
Sept. 12, 2019, 2 p.m. 37.5 ppb (35) 15.0 ppb (14) N/A 23.0 ppb (21) N/A N/A 8.0 ppb (6) N/A N/A N/A 35.0
 
Sept. 12, 2019, 1 p.m. 32.4 ppb (30) 10.8 ppb (10) N/A 22.0 ppb (20) N/A N/A 4.0 ppb (3) N/A N/A N/A 30.0
 
Sept. 12, 2019, 11 a.m. 16.0 ppb (15) 0.7 ppb (1) N/A 15.0 ppb (14) N/A N/A 10.0 ppb (8) N/A N/A N/A 15.0
 
Sept. 12, 2019, 10 a.m. 14.0 ppb (13) 0.2 ppb (0) N/A 14.0 ppb (13) N/A N/A 13.0 ppb (10) N/A N/A N/A 13.0
 
Sept. 12, 2019, 9 a.m. 14.1 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (13) N/A N/A 15.0 ppb (12) N/A N/A N/A 13.0
 
Sept. 12, 2019, 8 a.m. 12.1 ppb (11) -0.3 ppb (0) N/A 12.0 ppb (11) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 12, 2019, 7 a.m. 25.3 ppb (23) 7.0 ppb (6) N/A 18.0 ppb (17) N/A N/A 21.0 ppb (16) N/A N/A N/A 23.0
 
Sept. 12, 2019, 6 a.m. 9.9 ppb (9) -0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 12, 2019, 5 a.m. 10.9 ppb (10) -0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 12, 2019, 4 a.m. 17.1 ppb (16) 0.4 ppb (0) N/A 17.0 ppb (16) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 12, 2019, 3 a.m. 8.3 ppb (8) -0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 12, 2019, 2 a.m. 6.2 ppb (6) -0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 50.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 12, 2019, 1 a.m. 2.1 ppb (2) -0.6 ppb (0) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (43) N/A N/A N/A 43.0
 
Sept. 12, 2019, midnight 1.6 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) N/A N/A N/A 43.0
 
Sept. 11, 2019, 11 p.m. 2.6 ppb (2) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 11, 2019, 10 p.m. 1.7 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 11, 2019, 9 p.m. 2.0 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A N/A 41.0
 
Sept. 11, 2019, 8 p.m. 2.5 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (40) N/A N/A N/A 40.0
 
Sept. 11, 2019, 7 p.m. 2.2 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
Sept. 11, 2019, 6 p.m. 4.0 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 11, 2019, 5 p.m. 6.5 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 11, 2019, 4 p.m. 10.7 ppb (10) 2.6 ppb (2) N/A 8.0 ppb (7) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 11, 2019, 3 p.m. 19.9 ppb (18) 7.2 ppb (7) N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) N/A N/A N/A 18.0
 
Sept. 11, 2019, 2 p.m. 31.3 ppb (29) 14.7 ppb (14) N/A 17.0 ppb (16) N/A N/A 9.0 ppb (7) N/A N/A N/A 29.0
 
Sept. 11, 2019, 1 p.m. 41.2 ppb (38) 21.9 ppb (20) N/A 19.0 ppb (18) N/A N/A 4.0 ppb (3) N/A N/A N/A 38.0
 
Sept. 11, 2019, 11 a.m. 24.4 ppb (23) 7.8 ppb (7) N/A 17.0 ppb (16) N/A N/A 5.0 ppb (4) N/A N/A N/A 23.0
 
Sept. 11, 2019, 10 a.m. 12.3 ppb (11) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 10.0 ppb (8) N/A N/A N/A 11.0
 
Sept. 11, 2019, 9 a.m. 19.1 ppb (18) 5.5 ppb (5) N/A 14.0 ppb (13) N/A N/A 10.0 ppb (8) N/A N/A N/A 18.0
 
Sept. 11, 2019, 8 a.m. 7.2 ppb (7) -0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
Sept. 11, 2019, 7 a.m. 9.6 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
Sept. 11, 2019, 6 a.m. 11.6 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 11, 2019, 5 a.m. 10.4 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 11, 2019, 4 a.m. 4.1 ppb (4) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Sept. 11, 2019, 3 a.m. 3.1 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 11, 2019, 2 a.m. 2.3 ppb (2) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 11, 2019, 1 a.m. 1.2 ppb (1) -0.6 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 11, 2019, midnight 1.8 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 10, 2019, 11 p.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
Sept. 10, 2019, 10 p.m. 1.5 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 10, 2019, 9 p.m. 2.0 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 10, 2019, 8 p.m. 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 10, 2019, 7 p.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 10, 2019, 6 p.m. 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 10, 2019, 5 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 10, 2019, 4 p.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Sept. 10, 2019, 3 p.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Sept. 10, 2019, 2 p.m. 6.2 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 10, 2019, 1 p.m. 12.3 ppb (11) 3.1 ppb (3) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
Sept. 10, 2019, 11 a.m. 6.3 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 10, 2019, 10 a.m. 3.6 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 10, 2019, 9 a.m. 4.1 ppb (4) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 10, 2019, 8 a.m. 5.3 ppb (5) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 10, 2019, 7 a.m. 4.8 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 10, 2019, 6 a.m. 6.6 ppb (6) -0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 10, 2019, 5 a.m. 3.4 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 10, 2019, 4 a.m. 3.2 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Sept. 10, 2019, 3 a.m. 3.1 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 10, 2019, 2 a.m. 3.7 ppb (3) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 10, 2019, 1 a.m. 1.7 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0