AQSQID: 130890003

Site Name: Nr-285

Location: Decatur (Perimeter), GA

Reporting: True, Located: True

Current AQI: 35.0

Decatur (Perimeter) GA, US: 33.698611, -84.272608

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 23, 2020, 4 a.m. 37.6 ppb (35) 13.7 ppb (13) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A N/A 35.0
 
Jan. 23, 2020, 3 a.m. 79.2 ppb (77) 42.9 ppb (40) N/A 36.0 ppb (33) N/A N/A N/A N/A N/A N/A 77.0
 
Jan. 23, 2020, 2 a.m. 101.2 ppb (100) 62.0 ppb (59) N/A 39.0 ppb (36) N/A N/A N/A N/A N/A N/A 100.0
 
Jan. 23, 2020, 1 a.m. 132.8 ppb (106) 91.0 ppb (89) N/A 42.0 ppb (39) N/A N/A N/A N/A N/A N/A 106.0
 
Jan. 23, 2020, midnight 80.8 ppb (79) 46.0 ppb (43) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A N/A 79.0
 
Jan. 22, 2020, 11 p.m. 128.6 ppb (105) 82.8 ppb (81) N/A 46.0 ppb (43) N/A N/A N/A N/A N/A N/A 105.0
 
Jan. 22, 2020, 10 p.m. 85.7 ppb (84) 48.9 ppb (45) N/A 37.0 ppb (34) N/A N/A N/A N/A N/A N/A 84.0
 
Jan. 22, 2020, 9 p.m. 62.1 ppb (59) 33.9 ppb (31) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A N/A 59.0
 
Jan. 22, 2020, 8 p.m. 55.8 ppb (52) 30.8 ppb (29) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A N/A 52.0
 
Jan. 22, 2020, 7 p.m. 36.1 ppb (33) 20.3 ppb (19) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A N/A 33.0
 
Jan. 22, 2020, 6 p.m. 33.4 ppb (31) 18.7 ppb (17) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 31.0
 
Jan. 22, 2020, 5 p.m. 64.1 ppb (61) 37.9 ppb (35) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A N/A 61.0
 
Jan. 22, 2020, 4 p.m. 75.2 ppb (73) 47.2 ppb (44) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A N/A 73.0
 
Jan. 22, 2020, 3 p.m. 80.7 ppb (78) 53.5 ppb (50) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A N/A 78.0
 
Jan. 22, 2020, 2 p.m. 106.0 ppb (101) 74.7 ppb (72) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A N/A 101.0
 
Jan. 22, 2020, 1 p.m. 157.0 ppb (111) 125.6 ppb (105) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A N/A 111.0
 
Jan. 22, 2020, noon 181.9 ppb (116) 148.1 ppb (109) N/A 34.0 ppb (31) N/A N/A N/A N/A N/A N/A 116.0
 
Jan. 22, 2020, 11 a.m. 124.9 ppb (105) 93.9 ppb (92) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A N/A 105.0
 
Jan. 22, 2020, 10 a.m. 75.5 ppb (73) 48.8 ppb (45) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A N/A 73.0
 
Jan. 22, 2020, 9 a.m. 51.5 ppb (48) 26.2 ppb (24) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A N/A 48.0
 
Jan. 22, 2020, 8 a.m. 67.5 ppb (64) 40.2 ppb (37) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A N/A 64.0
 
Jan. 22, 2020, 7 a.m. 47.4 ppb (44) 21.8 ppb (20) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A N/A 44.0
 
Jan. 22, 2020, 6 a.m. 39.3 ppb (36) 12.5 ppb (12) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A N/A 36.0
 
Jan. 22, 2020, 5 a.m. 37.6 ppb (35) 14.5 ppb (13) N/A 23.0 ppb (21) N/A N/A N/A N/A N/A N/A 35.0
 
Jan. 22, 2020, 4 a.m. 38.3 ppb (35) 16.4 ppb (15) N/A 22.0 ppb (20) N/A N/A N/A N/A N/A N/A 35.0
 
Jan. 22, 2020, 3 a.m. 33.3 ppb (31) 11.3 ppb (10) N/A 22.0 ppb (20) N/A N/A N/A N/A N/A N/A 31.0
 
Jan. 22, 2020, 2 a.m. 44.1 ppb (41) 18.5 ppb (17) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A N/A 41.0
 
Jan. 22, 2020, 1 a.m. 45.8 ppb (42) 24.4 ppb (23) N/A 21.0 ppb (19) N/A N/A N/A N/A N/A N/A 42.0
 
Jan. 22, 2020, midnight 62.9 ppb (59) 35.3 ppb (33) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A N/A 59.0
 
Jan. 21, 2020, 11 p.m. 65.1 ppb (62) 32.7 ppb (30) N/A 32.0 ppb (30) N/A N/A N/A N/A N/A N/A 62.0
 
Jan. 21, 2020, 10 p.m. 39.5 ppb (37) 19.2 ppb (18) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 37.0
 
Jan. 21, 2020, 9 p.m. 50.5 ppb (47) 30.9 ppb (29) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 47.0
 
Jan. 21, 2020, 8 p.m. 34.9 ppb (32) 19.9 ppb (18) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 32.0
 
Jan. 21, 2020, 7 p.m. 45.5 ppb (42) 28.2 ppb (26) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 42.0
 
Jan. 21, 2020, 6 p.m. 46.7 ppb (43) 30.0 ppb (28) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 43.0
 
Jan. 21, 2020, 5 p.m. 51.1 ppb (47) 33.7 ppb (31) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 47.0
 
Jan. 21, 2020, 4 p.m. 58.7 ppb (55) 41.2 ppb (38) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 55.0
 
Jan. 21, 2020, 3 p.m. 76.3 ppb (74) 56.1 ppb (52) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 74.0
 
Jan. 21, 2020, 2 p.m. 76.9 ppb (74) 53.6 ppb (50) N/A 23.0 ppb (21) N/A N/A N/A N/A N/A N/A 74.0
 
Jan. 21, 2020, 1 p.m. 78.5 ppb (76) 53.4 ppb (49) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A N/A 76.0
 
Jan. 21, 2020, noon 87.9 ppb (86) 60.9 ppb (57) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A N/A 86.0
 
Jan. 21, 2020, 11 a.m. 89.4 ppb (88) 63.9 ppb (61) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A N/A 88.0
 
Jan. 21, 2020, 10 a.m. 72.5 ppb (70) 48.7 ppb (45) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A N/A 70.0
 
Jan. 21, 2020, 9 a.m. 38.9 ppb (36) 18.2 ppb (17) N/A 21.0 ppb (19) N/A N/A N/A N/A N/A N/A 36.0
 
Jan. 21, 2020, 8 a.m. 40.7 ppb (38) 21.4 ppb (20) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A N/A 38.0
 
Jan. 21, 2020, 7 a.m. 26.3 ppb (24) 11.6 ppb (11) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 24.0
 
Jan. 21, 2020, 6 a.m. 25.8 ppb (24) 11.8 ppb (11) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A N/A 24.0
 
Jan. 21, 2020, 5 a.m. 25.3 ppb (23) 11.5 ppb (11) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A N/A 23.0
 
Jan. 21, 2020, 4 a.m. 26.2 ppb (24) 12.6 ppb (12) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A N/A 24.0
 
Jan. 21, 2020, 3 a.m. 29.4 ppb (27) 15.3 ppb (14) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A N/A 27.0
 
Jan. 21, 2020, 2 a.m. 24.4 ppb (23) 12.2 ppb (11) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A N/A 23.0
 
Jan. 21, 2020, 1 a.m. 27.4 ppb (25) 13.3 ppb (12) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A N/A 25.0
 
Jan. 21, 2020, midnight 38.7 ppb (36) 21.3 ppb (20) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 36.0
 
Jan. 20, 2020, 11 p.m. 40.1 ppb (37) 21.3 ppb (20) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A N/A 37.0
 
Jan. 20, 2020, 10 p.m. 37.7 ppb (35) 19.6 ppb (18) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 35.0
 
Jan. 20, 2020, 9 p.m. 34.3 ppb (32) 19.0 ppb (18) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 32.0
 
Jan. 20, 2020, 8 p.m. 25.0 ppb (23) 13.3 ppb (12) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A N/A 23.0
 
Jan. 20, 2020, 7 p.m. 31.5 ppb (29) 18.4 ppb (17) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A N/A 29.0
 
Jan. 20, 2020, 6 p.m. 30.6 ppb (28) 18.1 ppb (17) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A N/A 28.0
 
Jan. 20, 2020, 5 p.m. 35.1 ppb (32) 21.9 ppb (20) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A N/A 32.0
 
Jan. 20, 2020, 4 p.m. 42.2 ppb (39) 27.9 ppb (26) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A N/A 39.0
 
Jan. 20, 2020, 3 p.m. 46.3 ppb (43) 31.4 ppb (29) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 43.0
 
Jan. 20, 2020, 2 p.m. 54.7 ppb (51) 36.6 ppb (34) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 51.0
 
Jan. 20, 2020, 1 p.m. 61.4 ppb (58) 40.5 ppb (38) N/A 21.0 ppb (19) N/A N/A N/A N/A N/A N/A 58.0
 
Jan. 20, 2020, noon 53.7 ppb (50) 33.4 ppb (31) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 50.0
 
Jan. 20, 2020, 11 a.m. 47.5 ppb (44) 28.3 ppb (26) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A N/A 44.0
 
Jan. 20, 2020, 10 a.m. 35.5 ppb (33) 20.1 ppb (19) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 33.0
 
Jan. 20, 2020, 9 a.m. 20.2 ppb (19) 10.3 ppb (10) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A N/A 19.0
 
Jan. 20, 2020, 8 a.m. 13.4 ppb (12) 6.3 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A N/A 12.0
 
Jan. 20, 2020, 7 a.m. 11.4 ppb (11) 5.5 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 11.0
 
Jan. 20, 2020, 6 a.m. 12.3 ppb (11) 5.8 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A N/A 11.0
 
Jan. 20, 2020, 5 a.m. 10.5 ppb (10) 4.6 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 10.0
 
Jan. 20, 2020, 4 a.m. 12.5 ppb (12) 6.6 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 12.0
 
Jan. 20, 2020, 3 a.m. 11.3 ppb (10) 5.3 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 10.0
 
Jan. 20, 2020, 2 a.m. 14.8 ppb (14) 6.4 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A N/A 14.0
 
Jan. 20, 2020, 1 a.m. 16.2 ppb (15) 7.4 ppb (7) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A N/A 15.0
 
Jan. 20, 2020, midnight 15.2 ppb (14) 6.9 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A N/A 14.0
 
Jan. 19, 2020, 11 p.m. 17.0 ppb (16) 7.2 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A N/A 16.0
 
Jan. 19, 2020, 8 p.m. 13.4 ppb (12) 6.3 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A N/A 12.0
 
Jan. 19, 2020, 7 p.m. 13.0 ppb (12) 6.8 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 12.0
 
Jan. 19, 2020, 6 p.m. 14.8 ppb (14) 8.2 ppb (8) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A N/A 14.0
 
Jan. 19, 2020, 5 p.m. 12.1 ppb (11) 6.6 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 11.0
 
Jan. 19, 2020, 4 p.m. 10.0 ppb (9) 5.1 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 9.0
 
Jan. 19, 2020, 3 p.m. 13.3 ppb (12) 6.8 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 12.0
 
Jan. 19, 2020, 2 p.m. 13.5 ppb (12) 6.5 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A N/A 12.0
 
Jan. 19, 2020, 1 p.m. 10.3 ppb (10) 4.8 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 10.0
 
Jan. 19, 2020, noon 7.9 ppb (7) 3.8 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 7.0
 
Jan. 19, 2020, 11 a.m. 7.8 ppb (7) 2.6 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 7.0
 
Jan. 19, 2020, 10 a.m. 5.1 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 5.0
 
Jan. 19, 2020, 9 a.m. 8.0 ppb (7) 2.4 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 7.0
 
Jan. 19, 2020, 8 a.m. 8.0 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 7.0
 
Jan. 19, 2020, 7 a.m. 34.8 ppb (32) 17.7 ppb (16) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 32.0
 
Jan. 19, 2020, 6 a.m. 29.7 ppb (28) 11.5 ppb (11) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 28.0
 
Jan. 19, 2020, 5 a.m. 36.0 ppb (33) 16.5 ppb (15) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A N/A 33.0
 
Jan. 19, 2020, 4 a.m. 33.1 ppb (31) 13.5 ppb (12) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 31.0
 
Jan. 19, 2020, 3 a.m. 35.1 ppb (32) 16.8 ppb (16) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 32.0
 
Jan. 19, 2020, 2 a.m. 34.8 ppb (32) 16.6 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 32.0
 
Jan. 19, 2020, 1 a.m. 39.5 ppb (37) 20.9 ppb (19) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A N/A 37.0
 
Jan. 19, 2020, midnight 42.0 ppb (39) 21.8 ppb (20) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 39.0
 
Jan. 18, 2020, 11 p.m. 39.5 ppb (37) 21.6 ppb (20) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 37.0
 
Jan. 18, 2020, 10 p.m. 23.1 ppb (21) 8.4 ppb (8) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 21.0
 
Jan. 18, 2020, 9 p.m. 28.5 ppb (26) 11.7 ppb (11) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 26.0
 
Jan. 18, 2020, 8 p.m. 29.6 ppb (27) 14.9 ppb (14) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 27.0
 
Jan. 18, 2020, 7 p.m. 20.3 ppb (19) 9.2 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A N/A 19.0
 
Jan. 18, 2020, 6 p.m. 4.3 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 4.0
 
Jan. 18, 2020, 5 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 4.0
 
Jan. 18, 2020, 4 p.m. 7.2 ppb (7) 2.8 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 7.0
 
Jan. 18, 2020, 3 p.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 4.0
 
Jan. 18, 2020, 2 p.m. 6.5 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 6.0
 
Jan. 18, 2020, 1 p.m. 9.6 ppb (9) 3.3 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 9.0
 
Jan. 18, 2020, noon 9.4 ppb (9) 3.1 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 9.0
 
Jan. 18, 2020, 11 a.m. 6.0 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 6.0
 
Jan. 18, 2020, 10 a.m. 6.9 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 6.0
 
Jan. 18, 2020, 9 a.m. 7.7 ppb (7) 2.6 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 7.0
 
Jan. 18, 2020, 8 a.m. 8.7 ppb (8) 2.5 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 8.0
 
Jan. 18, 2020, 7 a.m. 8.7 ppb (8) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 8.0
 
Jan. 18, 2020, 6 a.m. 11.5 ppb (11) 3.2 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A N/A 11.0
 
Jan. 18, 2020, 5 a.m. 9.4 ppb (9) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A N/A 9.0
 
Jan. 18, 2020, 4 a.m. 9.0 ppb (8) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A N/A 8.0
 
Jan. 18, 2020, 3 a.m. 14.6 ppb (14) 4.3 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A N/A 14.0
 
Jan. 18, 2020, 2 a.m. 13.8 ppb (13) 3.6 ppb (3) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A N/A 13.0
 
Jan. 18, 2020, 1 a.m. 31.7 ppb (29) 14.5 ppb (13) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 29.0
 
Jan. 18, 2020, midnight 50.2 ppb (46) 25.9 ppb (24) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A N/A 46.0
 
Jan. 17, 2020, 11 p.m. 23.9 ppb (22) 7.5 ppb (7) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A N/A 22.0
 
Jan. 17, 2020, 10 p.m. 28.8 ppb (27) 11.8 ppb (11) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 27.0
 
Jan. 17, 2020, 9 p.m. 19.1 ppb (18) 8.1 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A N/A 18.0
 
Jan. 17, 2020, 8 p.m. 19.8 ppb (18) 9.5 ppb (9) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A N/A 18.0
 
Jan. 17, 2020, 7 p.m. 31.6 ppb (29) 16.7 ppb (15) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 29.0
 
Jan. 17, 2020, 6 p.m. 8.1 ppb (8) 3.6 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 8.0
 
Jan. 17, 2020, 5 p.m. 30.9 ppb (29) 16.2 ppb (15) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 29.0
 
Jan. 17, 2020, 4 p.m. 37.1 ppb (34) 20.6 ppb (19) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A N/A 34.0
 
Jan. 17, 2020, 3 p.m. 70.6 ppb (68) 43.9 ppb (41) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A N/A 68.0
 
Jan. 17, 2020, 2 p.m. 94.9 ppb (94) 64.4 ppb (61) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A N/A 94.0
 
Jan. 17, 2020, 1 p.m. 108.1 ppb (101) 77.8 ppb (75) N/A 30.0 ppb (28) N/A N/A N/A N/A N/A N/A 101.0
 
Jan. 17, 2020, noon 83.5 ppb (81) 55.0 ppb (51) N/A 29.0 ppb (27) N/A N/A N/A N/A N/A N/A 81.0
 
Jan. 17, 2020, 11 a.m. 60.7 ppb (57) 33.4 ppb (31) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A N/A 57.0
 
Jan. 17, 2020, 10 a.m. 67.3 ppb (64) 40.6 ppb (38) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A N/A 64.0
 
Jan. 17, 2020, 9 a.m. 41.3 ppb (38) 19.9 ppb (18) N/A 21.0 ppb (19) N/A N/A N/A N/A N/A N/A 38.0
 
Jan. 17, 2020, 8 a.m. 34.5 ppb (32) 14.4 ppb (13) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 32.0
 
Jan. 17, 2020, 7 a.m. 33.2 ppb (31) 12.9 ppb (12) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 31.0
 
Jan. 17, 2020, 6 a.m. 23.9 ppb (22) 8.3 ppb (8) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A N/A 22.0
 
Jan. 17, 2020, 5 a.m. 26.0 ppb (24) 10.9 ppb (10) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 24.0
 
Jan. 17, 2020, 4 a.m. 35.3 ppb (33) 15.3 ppb (14) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 33.0
 
Jan. 17, 2020, 3 a.m. 34.9 ppb (32) 17.4 ppb (16) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 32.0
 
Jan. 17, 2020, 2 a.m. 26.5 ppb (25) 11.5 ppb (11) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 25.0
 
Jan. 17, 2020, 1 a.m. 31.6 ppb (29) 15.3 ppb (14) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A N/A 29.0
 
Jan. 17, 2020, midnight 31.7 ppb (29) 15.3 ppb (14) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A N/A 29.0
 
Jan. 16, 2020, 11 p.m. 37.9 ppb (35) 18.0 ppb (17) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 35.0
 
Jan. 16, 2020, 10 p.m. 38.5 ppb (36) 18.6 ppb (17) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 36.0
 
Jan. 16, 2020, 9 p.m. 36.9 ppb (34) 18.6 ppb (17) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 34.0
 
Jan. 16, 2020, 8 p.m. 30.9 ppb (29) 15.7 ppb (15) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 29.0
 
Jan. 16, 2020, 7 p.m. 38.5 ppb (36) 22.2 ppb (21) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A N/A 36.0
 
Jan. 16, 2020, 6 p.m. 35.2 ppb (33) 19.9 ppb (18) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 33.0
 
Jan. 16, 2020, 5 p.m. 40.3 ppb (37) 24.2 ppb (22) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A N/A 37.0
 
Jan. 16, 2020, 4 p.m. 41.1 ppb (38) 24.8 ppb (23) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A N/A 38.0
 
Jan. 16, 2020, 3 p.m. 35.3 ppb (33) 20.1 ppb (19) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 33.0
 
Jan. 16, 2020, 2 p.m. 37.6 ppb (35) 20.9 ppb (19) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 35.0
 
Jan. 16, 2020, 1 p.m. 34.5 ppb (32) 17.1 ppb (16) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 32.0
 
Jan. 16, 2020, noon 25.0 ppb (23) 9.7 ppb (9) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 23.0
 
Jan. 16, 2020, 11 a.m. 18.2 ppb (17) 3.9 ppb (4) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A N/A 17.0
 
Jan. 16, 2020, 10 a.m. 21.0 ppb (19) 3.1 ppb (3) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 19.0
 
Jan. 16, 2020, 9 a.m. 20.8 ppb (19) 8.2 ppb (8) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A N/A 19.0
 
Jan. 16, 2020, 8 a.m. 10.6 ppb (10) 3.2 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A N/A 10.0
 
Jan. 16, 2020, 7 a.m. 9.6 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A N/A 9.0
 
Jan. 16, 2020, 6 a.m. 8.1 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A N/A 8.0
 
Jan. 16, 2020, 5 a.m. 10.9 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A N/A 10.0
 
Jan. 16, 2020, 4 a.m. 10.6 ppb (10) 1.2 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A N/A 10.0
 
Jan. 16, 2020, 3 a.m. 6.5 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 6.0