ID: 620

AQSQID: 370670022

Site Name: Hattieaven

Added: April 21, 2020, 6:24 p.m.

Updated: Oct. 21, 2021, 2:04 p.m.

Location: Winston Salem (E Winston), NC

Reporting: True, Located: True

Current AQI: 54.0

Winston Salem (E Winston) NC, US: 36.1106, -80.2267

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 21, 2021, noon 56.4 ppb (54) 38.8 ppb (37) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A N/A 54.0
 
Oct. 21, 2021, 11 a.m. 26.8 ppb (26) 7.9 ppb (8) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A N/A 26.0
 
Oct. 21, 2021, 10 a.m. 26.4 ppb (25) 7.7 ppb (8) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A N/A 25.0
 
Oct. 21, 2021, 9 a.m. 15.3 ppb (15) 2.0 ppb (2) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A N/A 15.0
 
Oct. 21, 2021, 8 a.m. 9.2 ppb (9) -0.4 ppb (0) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A N/A 16.0
 
Oct. 21, 2021, 7 a.m. 7.5 ppb (8) -0.4 ppb (0) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A N/A 20.0
 
Oct. 21, 2021, 6 a.m. 7.1 ppb (7) -0.4 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A N/A 25.0
 
Oct. 21, 2021, 5 a.m. 8.2 ppb (8) -0.4 ppb (0) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A N/A 27.0
 
Oct. 21, 2021, 4 a.m. 17.8 ppb (17) -0.3 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A N/A 20.0
 
Oct. 21, 2021, 3 a.m. 30.5 ppb (29) 3.4 ppb (4) N/A 27.0 ppb (26) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A N/A 29.0
 
Oct. 21, 2021, 2 a.m. 26.6 ppb (26) 2.3 ppb (3) N/A 24.0 ppb (23) N/A N/A 6.0 ppb (6) N/A N/A N/A 26.0
 
Oct. 21, 2021, 1 a.m. 24.3 ppb (23) 0.6 ppb (1) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A N/A 23.0
 
Oct. 21, 2021, midnight 34.7 ppb (33) 4.3 ppb (5) N/A 30.0 ppb (29) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A N/A 33.0
 
Oct. 20, 2021, 11 p.m. 19.1 ppb (19) 0.3 ppb (1) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A N/A 27.0
 
Oct. 20, 2021, 10 p.m. 7.2 ppb (7) -0.5 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A N/A 43.0
 
Oct. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A N/A 48.0
 
Oct. 20, 2021, 8 p.m. 2.1 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) N/A N/A N/A 50.0
 
Oct. 20, 2021, 7 p.m. 1.4 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (50) N/A N/A N/A 50.0
 
Oct. 20, 2021, 6 p.m. 1.3 ppb (2) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 54.0 ppb (50) N/A N/A N/A 50.0
 
Oct. 20, 2021, 5 p.m. 1.2 ppb (2) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 53.0 ppb (50) N/A N/A N/A 50.0
 
Oct. 20, 2021, 4 p.m. 3.8 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A N/A 44.0
 
Oct. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A N/A 40.0
 
Oct. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 13.0 ppb (13) N/A N/A N/A 13.0
 
Oct. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A N/A 6.0
 
Oct. 20, 2021, noon 46.5 ppb (44) 33.5 ppb (32) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A N/A 44.0
 
Oct. 20, 2021, 11 a.m. 22.8 ppb (22) 11.5 ppb (11) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A N/A 22.0
 
Oct. 20, 2021, 10 a.m. 18.5 ppb (18) 3.6 ppb (4) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A N/A 18.0
 
Oct. 20, 2021, 9 a.m. 16.4 ppb (16) 1.6 ppb (2) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A N/A 16.0
 
Oct. 20, 2021, 8 a.m. 21.1 ppb (20) 5.0 ppb (5) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A N/A 20.0
 
Oct. 20, 2021, 7 a.m. 22.8 ppb (22) 4.0 ppb (4) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A N/A 22.0
 
Oct. 20, 2021, 6 a.m. 26.7 ppb (26) 6.3 ppb (6) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A N/A 26.0
 
Oct. 20, 2021, 5 a.m. 28.6 ppb (27) 7.8 ppb (8) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A N/A 27.0
 
Oct. 20, 2021, 4 a.m. 25.5 ppb (25) 6.5 ppb (7) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A N/A 25.0
 
Oct. 20, 2021, 3 a.m. 23.4 ppb (23) 1.1 ppb (2) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A N/A 23.0
 
Oct. 20, 2021, 2 a.m. 21.5 ppb (21) 0.0 ppb (0) N/A 21.0 ppb (20) N/A N/A 17.0 ppb (16) N/A N/A N/A 21.0
 
Oct. 20, 2021, 1 a.m. 32.3 ppb (31) 5.0 ppb (5) N/A 27.0 ppb (26) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A N/A 31.0
 
Oct. 20, 2021, midnight 27.1 ppb (26) 0.6 ppb (1) N/A 26.0 ppb (25) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A N/A 26.0
 
Oct. 19, 2021, 11 p.m. 21.3 ppb (21) 0.1 ppb (1) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A N/A 27.0
 
Oct. 19, 2021, 10 p.m. 6.3 ppb (6) -0.8 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A N/A 45.0
 
Oct. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (50) N/A N/A N/A 50.0
 
Oct. 19, 2021, 8 p.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (50) N/A N/A N/A 50.0
 
Oct. 19, 2021, 7 p.m. 2.3 ppb (3) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) N/A N/A N/A 49.0
 
Oct. 19, 2021, 6 p.m. 1.6 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) N/A N/A N/A 49.0
 
Oct. 19, 2021, 5 p.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) N/A N/A N/A 49.0
 
Oct. 19, 2021, 4 p.m. 2.2 ppb (3) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A N/A 46.0
 
Oct. 19, 2021, 3 p.m. 3.7 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A N/A 41.0
 
Oct. 19, 2021, 2 p.m. 5.5 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A N/A 35.0
 
Oct. 19, 2021, 1 p.m. 30.0 ppb (29) 12.9 ppb (13) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A N/A 29.0
 
Oct. 19, 2021, noon 40.0 ppb (38) 24.2 ppb (23) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 4.0 ppb (4) N/A N/A N/A 38.0
 
Oct. 19, 2021, 11 a.m. 41.9 ppb (40) 21.8 ppb (21) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A N/A 40.0
 
Oct. 19, 2021, 10 a.m. 27.5 ppb (26) 11.0 ppb (11) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A N/A 26.0
 
Oct. 19, 2021, 9 a.m. 15.4 ppb (15) 0.4 ppb (1) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A N/A 15.0
 
Oct. 19, 2021, 8 a.m. 13.6 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A N/A 13.0
 
Oct. 19, 2021, 7 a.m. 8.0 ppb (8) -0.3 ppb (0) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A N/A 13.0
 
Oct. 19, 2021, 6 a.m. 9.9 ppb (10) -0.3 ppb (0) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A N/A 14.0
 
Oct. 19, 2021, 5 a.m. 9.8 ppb (10) -0.4 ppb (0) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A N/A 17.0
 
Oct. 19, 2021, 4 a.m. 13.9 ppb (14) -0.5 ppb (0) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A N/A 18.0
 
Oct. 19, 2021, 3 a.m. 6.6 ppb (7) -0.5 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A N/A 29.0
 
Oct. 19, 2021, 2 a.m. 7.0 ppb (7) -0.3 ppb (0) N/A 7.0 ppb (7) N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
Oct. 19, 2021, 1 a.m. 5.3 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A N/A 36.0
 
Oct. 19, 2021, midnight 7.2 ppb (7) -0.3 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A N/A 34.0
 
Oct. 18, 2021, 11 p.m. 18.6 ppb (18) 0.1 ppb (1) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A N/A 22.0
 
Oct. 18, 2021, 10 p.m. 2.9 ppb (3) -4.4 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A N/A 36.0
 
Oct. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A N/A 41.0
 
Oct. 18, 2021, 8 p.m. 1.8 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A N/A 43.0
 
Oct. 18, 2021, 7 p.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A N/A 43.0
 
Oct. 18, 2021, 6 p.m. 1.3 ppb (2) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A N/A 44.0
 
Oct. 18, 2021, 5 p.m. 1.2 ppb (2) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A N/A 42.0
 
Oct. 18, 2021, 4 p.m. 1.2 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A N/A 40.0
 
Oct. 18, 2021, 3 p.m. 1.5 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A N/A 37.0
 
Oct. 18, 2021, 2 p.m. 4.1 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A N/A 30.0
 
Oct. 18, 2021, 1 p.m. 10.6 ppb (10) 2.6 ppb (3) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A N/A 18.0
 
Oct. 18, 2021, noon 25.2 ppb (24) 12.7 ppb (12) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A N/A 24.0
 
Oct. 18, 2021, 11 a.m. 21.8 ppb (21) 6.2 ppb (6) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A N/A 21.0
 
Oct. 18, 2021, 10 a.m. 13.7 ppb (13) 1.3 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A N/A 13.0
 
Oct. 18, 2021, 9 a.m. 5.0 ppb (5) -0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A N/A 18.0
 
Oct. 18, 2021, 8 a.m. 7.9 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A N/A 15.0
 
Oct. 18, 2021, 7 a.m. 7.4 ppb (7) -0.2 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A N/A 15.0
 
Oct. 18, 2021, 6 a.m. 5.6 ppb (6) -0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A N/A 19.0
 
Oct. 18, 2021, 5 a.m. 14.3 ppb (14) 0.6 ppb (1) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A N/A 14.0
 
Oct. 18, 2021, 4 a.m. 22.6 ppb (22) 2.4 ppb (3) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A N/A 22.0
 
Oct. 18, 2021, 3 a.m. 19.9 ppb (19) 0.6 ppb (1) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A N/A 19.0
 
Oct. 18, 2021, 2 a.m. 12.6 ppb (12) -0.5 ppb (0) N/A 13.0 ppb (13) N/A N/A 20.0 ppb (19) N/A N/A N/A 19.0
 
Oct. 18, 2021, 1 a.m. 4.2 ppb (4) -0.6 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A N/A 29.0
 
Oct. 18, 2021, midnight 6.5 ppb (7) -0.6 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A N/A 28.0
 
Oct. 17, 2021, 11 p.m. 6.2 ppb (6) -0.5 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A N/A 31.0
 
Oct. 17, 2021, 10 p.m. 2.4 ppb (3) -0.6 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A N/A 36.0
 
Oct. 17, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A N/A 38.0
 
Oct. 17, 2021, 8 p.m. 0.9 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A N/A 38.0
 
Oct. 17, 2021, 7 p.m. 0.7 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A N/A 38.0
 
Oct. 17, 2021, 6 p.m. 0.6 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A N/A 38.0
 
Oct. 17, 2021, 5 p.m. 0.8 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A N/A 38.0
 
Oct. 17, 2021, 4 p.m. 0.7 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A N/A 38.0
 
Oct. 17, 2021, 3 p.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A N/A 36.0
 
Oct. 17, 2021, 2 p.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A N/A 32.0
 
Oct. 17, 2021, 1 p.m. 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A N/A 29.0
 
Oct. 17, 2021, noon 7.1 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A N/A 18.0
 
Oct. 17, 2021, 11 a.m. 11.2 ppb (11) 0.1 ppb (1) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A N/A 13.0
 
Oct. 17, 2021, 10 a.m. 4.0 ppb (4) -0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A N/A 21.0
 
Oct. 17, 2021, 9 a.m. 7.0 ppb (7) -0.5 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A N/A 17.0
 
Oct. 17, 2021, 8 a.m. 3.9 ppb (4) -0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A N/A 25.0
 
Oct. 17, 2021, 7 a.m. 2.1 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A N/A 28.0
 
Oct. 17, 2021, 6 a.m. 2.2 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A N/A 28.0
 
Oct. 17, 2021, 5 a.m. 1.4 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A N/A 29.0
 
Oct. 17, 2021, 4 a.m. 2.6 ppb (3) -0.6 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A N/A 28.0
 
Oct. 17, 2021, 3 a.m. 2.3 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A N/A 29.0
 
Oct. 17, 2021, 2 a.m. 3.2 ppb (4) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
Oct. 17, 2021, 1 a.m. 2.4 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A N/A 32.0
 
Oct. 17, 2021, midnight 3.5 ppb (4) -0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A N/A 32.0
 
Oct. 16, 2021, 11 p.m. 2.6 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A N/A 35.0
 
Oct. 16, 2021, 10 p.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A N/A 37.0
 
Oct. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A N/A 37.0
 
Oct. 16, 2021, 8 p.m. 1.8 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A N/A 33.0
 
Oct. 16, 2021, 7 p.m. 1.3 ppb (2) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A N/A 30.0
 
Oct. 16, 2021, 6 p.m. 3.4 ppb (4) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A N/A 25.0
 
Oct. 16, 2021, 5 p.m. 2.0 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A N/A 30.0
 
Oct. 16, 2021, 4 p.m. 2.3 ppb (3) -0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A N/A 32.0
 
Oct. 16, 2021, 3 p.m. 2.6 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A N/A 33.0
 
Oct. 16, 2021, 2 p.m. 2.4 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A N/A 30.0
 
Oct. 16, 2021, 1 p.m. 4.2 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A N/A 25.0
 
Oct. 16, 2021, noon 5.6 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A N/A 21.0
 
Oct. 16, 2021, 11 a.m. 5.5 ppb (6) -0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A N/A 21.0
 
Oct. 16, 2021, 10 a.m. 6.0 ppb (6) -0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A N/A 22.0
 
Oct. 16, 2021, 9 a.m. 5.2 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A N/A 23.0
 
Oct. 16, 2021, 8 a.m. 5.1 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A N/A 24.0
 
Oct. 16, 2021, 7 a.m. 4.9 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A N/A 26.0
 
Oct. 16, 2021, 6 a.m. 6.1 ppb (6) -0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A N/A 25.0
 
Oct. 16, 2021, 5 a.m. 7.6 ppb (8) -0.4 ppb (0) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A N/A 21.0
 
Oct. 16, 2021, 4 a.m. 9.8 ppb (10) -0.4 ppb (0) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A N/A 25.0
 
Oct. 16, 2021, 3 a.m. 11.4 ppb (11) -0.4 ppb (0) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A N/A 23.0
 
Oct. 16, 2021, 2 a.m. 7.7 ppb (8) -0.2 ppb (0) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
Oct. 16, 2021, 1 a.m. 5.8 ppb (6) -0.4 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A N/A 33.0
 
Oct. 16, 2021, midnight 13.2 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A N/A 26.0
 
Oct. 15, 2021, 11 p.m. 13.2 ppb (13) -0.3 ppb (0) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A N/A 28.0
 
Oct. 15, 2021, 10 p.m. 8.9 ppb (9) -0.2 ppb (0) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A N/A 37.0
 
Oct. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A N/A 45.0
 
Oct. 15, 2021, 8 p.m. 2.4 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 58.0 ppb (61) N/A N/A N/A 61.0
 
Oct. 15, 2021, 7 p.m. 2.5 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 62.0 ppb (74) N/A N/A N/A 74.0
 
Oct. 15, 2021, 6 p.m. 2.8 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 57.0 ppb (58) N/A N/A N/A 58.0
 
Oct. 15, 2021, 5 p.m. 3.6 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 59.0 ppb (65) N/A N/A N/A 65.0
 
Oct. 15, 2021, 4 p.m. 4.3 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 56.0 ppb (55) N/A N/A N/A 55.0
 
Oct. 15, 2021, 3 p.m. 5.7 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A N/A 48.0
 
Oct. 15, 2021, 2 p.m. 26.6 ppb (26) 11.5 ppb (11) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A N/A 26.0
 
Oct. 15, 2021, 1 p.m. 28.0 ppb (27) 16.8 ppb (16) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 9.0 ppb (9) N/A N/A N/A 27.0
 
Oct. 15, 2021, noon 49.8 ppb (47) 42.0 ppb (40) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A N/A 47.0
 
Oct. 15, 2021, 11 a.m. 38.0 ppb (36) 30.1 ppb (29) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A N/A 36.0
 
Oct. 15, 2021, 10 a.m. 22.6 ppb (22) 14.2 ppb (14) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A N/A 22.0
 
Oct. 15, 2021, 9 a.m. 21.4 ppb (21) 10.7 ppb (11) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A N/A 21.0
 
Oct. 15, 2021, 8 a.m. 21.9 ppb (21) 7.7 ppb (8) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A N/A 21.0
 
Oct. 15, 2021, 7 a.m. 20.7 ppb (20) 8.8 ppb (9) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A N/A 20.0
 
Oct. 15, 2021, 6 a.m. 26.5 ppb (25) 11.3 ppb (11) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A N/A 25.0
 
Oct. 15, 2021, 5 a.m. 41.4 ppb (40) 20.4 ppb (20) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A N/A 40.0
 
Oct. 15, 2021, 4 a.m. 30.5 ppb (29) 8.1 ppb (8) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A N/A 29.0
 
Oct. 15, 2021, 3 a.m. 27.8 ppb (27) 2.9 ppb (3) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A N/A 27.0
 
Oct. 15, 2021, 2 a.m. 16.7 ppb (16) 0.5 ppb (1) N/A 16.0 ppb (16) N/A N/A 10.0 ppb (10) N/A N/A N/A 16.0
 
Oct. 15, 2021, 1 a.m. 9.6 ppb (10) -0.3 ppb (0) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A N/A 24.0
 
Oct. 15, 2021, midnight 18.4 ppb (18) 0.0 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A N/A 18.0
 
Oct. 14, 2021, 11 p.m. 9.4 ppb (9) -0.4 ppb (0) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A N/A 28.0
 
Oct. 14, 2021, 10 p.m. 15.5 ppb (15) 0.0 ppb (0) N/A 15.0 ppb (15) N/A 2.0 ppb (3) 24.0 ppb (23) N/A N/A N/A 23.0
 
Oct. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 31.0 ppb (29) N/A N/A N/A 29.0
 
Oct. 14, 2021, 8 p.m. 11.8 ppb (12) 1.9 ppb (2) N/A 10.0 ppb (10) N/A 3.0 ppb (5) 35.0 ppb (33) N/A N/A N/A 33.0
 
Oct. 14, 2021, 7 p.m. 5.4 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
Oct. 14, 2021, 6 p.m. 0.4 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A N/A 39.0
 
Oct. 14, 2021, 5 p.m. 0.5 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A N/A 39.0
 
Oct. 14, 2021, 4 p.m. 0.5 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A N/A 38.0
 
Oct. 14, 2021, 3 p.m. 4.9 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A N/A 32.0
 
Oct. 14, 2021, 2 p.m. 7.7 ppb (8) 1.6 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A N/A 27.0
 
Oct. 14, 2021, 1 p.m. 17.4 ppb (17) 6.2 ppb (6) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A N/A 17.0