AQSQID: 470090101

Site Name: Look Rock - Gsmnp

Location: Blount Co, TN

Reporting: True, Located: True

Current AQI: 21.0

Blount Co TN, US: 35.6322, -83.9422

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 21, 2019, 9 a.m. N/A 0.2 ppb (0) 0.6 ppb (1) N/A 0.4 ppb (0) N/A 17.0 ppb (13) 0.18 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
July 21, 2019, 8 a.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A 0.6 ppb (1) N/A 26.0 ppb (20) 0.17 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 21, 2019, 7 a.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A 0.6 ppb (1) N/A 29.0 ppb (22) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 21, 2019, 5 a.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A 0.6 ppb (1) N/A 32.0 ppb (25) 0.16 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 21, 2019, 4 a.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A 0.5 ppb (0) N/A 30.0 ppb (23) 0.15 ppb (2) N/A 2.0 μg/m3 (8) 23.0
 
July 21, 2019, 3 a.m. N/A 0.2 ppb (0) 0.6 ppb (1) N/A 0.3 ppb (0) N/A 21.0 ppb (16) 0.17 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 21, 2019, 2 a.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A 0.4 ppb (0) N/A 28.0 ppb (22) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 22.0
 
July 21, 2019, 1 a.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A 0.4 ppb (0) N/A 26.0 ppb (20) 0.16 ppb (2) N/A 3.0 μg/m3 (12) 20.0
 
July 21, 2019, midnight N/A 0.3 ppb (0) 0.8 ppb (1) N/A 0.6 ppb (1) N/A 25.0 ppb (19) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 19.0
 
July 20, 2019, 11 p.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A 0.5 ppb (0) N/A 22.0 ppb (17) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
July 20, 2019, 10 p.m. N/A 0.2 ppb (0) 0.9 ppb (1) N/A 0.6 ppb (1) N/A 30.0 ppb (23) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 20, 2019, 9 p.m. N/A 0.2 ppb (0) 0.9 ppb (1) N/A 0.6 ppb (1) N/A 33.0 ppb (25) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 8 p.m. N/A 0.2 ppb (0) 1.0 ppb (1) N/A 0.7 ppb (1) N/A 38.0 ppb (29) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 29.0
 
July 20, 2019, 7 p.m. N/A 0.3 ppb (0) 1.1 ppb (1) N/A 0.9 ppb (1) N/A 33.0 ppb (25) 0.17 ppb (2) N/A 2.0 μg/m3 (8) 25.0
 
July 20, 2019, 6 p.m. N/A 0.3 ppb (0) 1.4 ppb (1) N/A 1.1 ppb (1) N/A 34.0 ppb (26) 0.18 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 20, 2019, 5 p.m. N/A 0.3 ppb (0) 1.3 ppb (1) N/A 1.0 ppb (1) N/A 32.0 ppb (25) 0.18 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
July 20, 2019, 4 p.m. N/A 0.3 ppb (0) 1.2 ppb (1) N/A 0.9 ppb (1) N/A 25.0 ppb (19) 0.16 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
July 20, 2019, 3 p.m. N/A 0.3 ppb (0) 1.1 ppb (1) N/A 0.8 ppb (1) N/A 21.0 ppb (16) 0.16 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
July 20, 2019, 2 p.m. N/A 0.3 ppb (0) 1.2 ppb (1) N/A 0.9 ppb (1) N/A 19.0 ppb (15) 0.16 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 20, 2019, 1 p.m. N/A 0.3 ppb (0) 1.4 ppb (1) N/A 1.1 ppb (1) N/A 21.0 ppb (16) 0.15 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
July 20, 2019, noon N/A 0.6 ppb (1) 14.8 ppb (14) N/A 14.2 ppb (13) N/A 22.0 ppb (17) 0.14 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
July 20, 2019, 11 a.m. N/A 0.6 ppb (1) 31.9 ppb (30) N/A 31.3 ppb (29) N/A 25.0 ppb (19) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 20, 2019, 10 a.m. N/A 0.2 ppb (0) 1.5 ppb (1) N/A 1.3 ppb (1) N/A 21.0 ppb (16) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 20, 2019, 9 a.m. N/A 0.2 ppb (0) 1.8 ppb (2) N/A 1.6 ppb (1) N/A 28.0 ppb (22) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 20, 2019, 8 a.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A 1.2 ppb (1) N/A 29.0 ppb (22) 0.15 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 20, 2019, 7 a.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.8 ppb (1) N/A 33.0 ppb (25) 0.15 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 20, 2019, 5 a.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.8 ppb (1) N/A 36.0 ppb (28) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 4 a.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A 0.9 ppb (1) N/A 39.0 ppb (30) 0.13 ppb (1) N/A 5.0 μg/m3 (21) 30.0
 
July 20, 2019, 3 a.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A 1.2 ppb (1) N/A 44.0 ppb (34) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 34.0
 
July 20, 2019, 2 a.m. N/A 0.1 ppb (0) 1.5 ppb (1) N/A 1.4 ppb (1) N/A 46.0 ppb (35) 0.14 ppb (2) N/A 1.0 μg/m3 (4) 35.0
 
July 20, 2019, 1 a.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A 1.3 ppb (1) N/A 45.0 ppb (35) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 35.0
 
July 20, 2019, midnight N/A 0.2 ppb (0) 1.3 ppb (1) N/A 1.1 ppb (1) N/A 45.0 ppb (35) 0.14 ppb (2) N/A 0.0 μg/m3 (0) 35.0
 
July 19, 2019, 11 p.m. N/A 0.3 ppb (0) 1.6 ppb (1) N/A 1.3 ppb (1) N/A 40.0 ppb (31) 0.17 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2019, 10 p.m. N/A 0.3 ppb (0) 1.4 ppb (1) N/A 1.1 ppb (1) N/A 40.0 ppb (31) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2019, 9 p.m. N/A 0.3 ppb (0) 1.2 ppb (1) N/A 1.0 ppb (1) N/A 38.0 ppb (29) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2019, 8 p.m. N/A 0.2 ppb (0) 1.2 ppb (1) N/A 1.0 ppb (1) N/A 37.0 ppb (28) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 7 p.m. N/A 0.3 ppb (0) 1.1 ppb (1) N/A 0.9 ppb (1) N/A 36.0 ppb (28) 0.14 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
July 19, 2019, 6 p.m. N/A 0.3 ppb (0) 1.3 ppb (1) N/A 1.0 ppb (1) N/A 36.0 ppb (28) 0.15 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2019, 5 p.m. N/A 0.3 ppb (0) 1.1 ppb (1) N/A 0.8 ppb (1) N/A 30.0 ppb (23) 0.14 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
July 19, 2019, 4 p.m. N/A 0.3 ppb (0) 1.0 ppb (1) N/A 0.8 ppb (1) N/A 30.0 ppb (23) 0.12 ppb (1) N/A 15.0 μg/m3 (56) 56.0
 
July 19, 2019, 3 p.m. N/A 0.3 ppb (0) 1.0 ppb (1) N/A 0.7 ppb (1) N/A 28.0 ppb (22) 0.13 ppb (1) N/A 12.0 μg/m3 (50) 50.0
 
July 19, 2019, 2 p.m. N/A 0.3 ppb (0) 1.1 ppb (1) N/A 0.8 ppb (1) N/A 26.0 ppb (20) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2019, 1 p.m. N/A 0.3 ppb (0) 1.2 ppb (1) N/A 0.9 ppb (1) N/A 26.0 ppb (20) 0.14 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
July 19, 2019, noon N/A 0.2 ppb (0) 1.3 ppb (1) N/A 1.0 ppb (1) N/A 30.0 ppb (23) 0.14 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
July 19, 2019, 11 a.m. N/A 0.2 ppb (0) 1.4 ppb (1) N/A 1.2 ppb (1) N/A 31.0 ppb (24) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2019, 10 a.m. N/A 0.2 ppb (0) 1.2 ppb (1) N/A 1.1 ppb (1) N/A 31.0 ppb (24) 0.13 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 19, 2019, 9 a.m. N/A 0.2 ppb (0) 1.1 ppb (1) N/A 0.9 ppb (1) N/A 30.0 ppb (23) 0.14 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 8 a.m. N/A 0.2 ppb (0) 1.2 ppb (1) N/A 1.0 ppb (1) N/A 30.0 ppb (23) 0.14 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 7 a.m. N/A 0.2 ppb (0) 1.2 ppb (1) N/A 1.0 ppb (1) N/A 31.0 ppb (24) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 19, 2019, 5 a.m. N/A 0.2 ppb (0) 1.2 ppb (1) N/A 1.0 ppb (1) N/A 33.0 ppb (25) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2019, 4 a.m. N/A 0.2 ppb (0) 1.1 ppb (1) N/A 0.9 ppb (1) N/A 34.0 ppb (26) 0.13 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 19, 2019, 3 a.m. N/A 0.3 ppb (0) 1.5 ppb (1) N/A 1.2 ppb (1) N/A 38.0 ppb (29) 0.13 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
July 19, 2019, 1 a.m. N/A 0.2 ppb (0) 1.4 ppb (1) N/A 1.2 ppb (1) N/A 41.0 ppb (32) 0.13 ppb (1) N/A 2.0 μg/m3 (8) 32.0
 
July 19, 2019, midnight N/A 0.2 ppb (0) 1.2 ppb (1) N/A 1.0 ppb (1) N/A 34.0 ppb (26) 0.14 ppb (2) N/A 0.0 μg/m3 (0) 26.0
 
July 18, 2019, 11 p.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A 0.6 ppb (1) N/A 23.0 ppb (18) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2019, 10 p.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A 0.6 ppb (1) N/A 26.0 ppb (20) 0.14 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
July 18, 2019, 9 p.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A 0.6 ppb (1) N/A 28.0 ppb (22) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 18, 2019, 8 p.m. N/A 0.2 ppb (0) 1.1 ppb (1) N/A 0.9 ppb (1) N/A 35.0 ppb (27) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 27.0
 
July 18, 2019, 7 p.m. N/A 0.2 ppb (0) 1.1 ppb (1) N/A 0.9 ppb (1) N/A 33.0 ppb (25) 0.14 ppb (2) N/A 2.0 μg/m3 (8) 25.0
 
July 18, 2019, 6 p.m. N/A 0.2 ppb (0) 1.3 ppb (1) N/A 1.1 ppb (1) N/A 31.0 ppb (24) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 18, 2019, 5 p.m. N/A 0.2 ppb (0) 1.5 ppb (1) N/A 1.3 ppb (1) N/A 32.0 ppb (25) 0.16 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
July 18, 2019, 4 p.m. N/A 0.2 ppb (0) 1.3 ppb (1) N/A 1.1 ppb (1) N/A 31.0 ppb (24) 0.14 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 18, 2019, 3 p.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A 0.9 ppb (1) N/A 28.0 ppb (22) 0.16 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
July 18, 2019, 2 p.m. N/A 0.2 ppb (0) 1.0 ppb (1) N/A 0.8 ppb (1) N/A 24.0 ppb (18) 0.15 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
July 18, 2019, 1 p.m. N/A 0.2 ppb (0) 1.1 ppb (1) N/A 0.8 ppb (1) N/A 20.0 ppb (15) 0.16 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
July 18, 2019, noon N/A 0.3 ppb (0) 14.6 ppb (14) N/A 14.4 ppb (13) N/A 21.0 ppb (16) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 18, 2019, 11 a.m. N/A 0.4 ppb (0) 31.4 ppb (29) N/A 31.0 ppb (29) N/A 19.0 ppb (15) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 29.0
 
July 18, 2019, 10 a.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A 0.6 ppb (1) N/A 19.0 ppb (15) 0.15 ppb (2) N/A 3.0 μg/m3 (12) 15.0
 
July 18, 2019, 9 a.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A 0.7 ppb (1) N/A 22.0 ppb (17) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
July 18, 2019, 8 a.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A 0.7 ppb (1) N/A 23.0 ppb (18) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2019, 7 a.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.8 ppb (1) N/A 25.0 ppb (19) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 5 a.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A 0.9 ppb (1) N/A 25.0 ppb (19) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 4 a.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.8 ppb (1) N/A 28.0 ppb (22) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 22.0
 
July 18, 2019, 3 a.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A 0.6 ppb (1) N/A 28.0 ppb (22) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 22.0
 
July 18, 2019, 2 a.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A 0.5 ppb (0) N/A 25.0 ppb (19) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2019, 1 a.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A 0.5 ppb (0) N/A 24.0 ppb (18) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 18.0
 
July 18, 2019, midnight N/A 0.2 ppb (0) 0.8 ppb (1) N/A 0.6 ppb (1) N/A 24.0 ppb (18) 0.14 ppb (2) N/A 3.0 μg/m3 (12) 18.0
 
July 17, 2019, 11 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.7 ppb (1) N/A 23.0 ppb (18) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 17, 2019, 10 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.8 ppb (1) N/A 23.0 ppb (18) 0.13 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 17, 2019, 9 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.7 ppb (1) N/A 24.0 ppb (18) 0.15 ppb (2) N/A 3.0 μg/m3 (12) 18.0
 
July 17, 2019, 8 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A 0.7 ppb (1) N/A 24.0 ppb (18) 0.15 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
July 17, 2019, 7 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A 0.7 ppb (1) N/A 23.0 ppb (18) 0.14 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 17, 2019, 6 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A 0.6 ppb (1) N/A 23.0 ppb (18) 0.14 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 17, 2019, 5 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.7 ppb (1) N/A 21.0 ppb (16) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 17, 2019, 4 p.m. N/A 0.2 ppb (0) 0.9 ppb (1) N/A 0.8 ppb (1) N/A 20.0 ppb (15) 0.13 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 3 p.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A 0.6 ppb (1) N/A 16.0 ppb (12) 0.13 ppb (1) N/A 16.0 μg/m3 (59) 59.0
 
July 17, 2019, 2 p.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A 0.6 ppb (1) N/A 15.0 ppb (12) 0.13 ppb (1) N/A 14.0 μg/m3 (54) 54.0
 
July 17, 2019, 1 p.m. N/A 0.2 ppb (0) 0.9 ppb (1) N/A 0.7 ppb (1) N/A 18.0 ppb (14) 0.12 ppb (1) N/A 16.0 μg/m3 (59) 59.0
 
July 17, 2019, noon N/A 0.2 ppb (0) 0.9 ppb (1) N/A 0.7 ppb (1) N/A 19.0 ppb (15) 0.12 ppb (1) N/A 17.0 μg/m3 (61) 61.0
 
July 17, 2019, 11 a.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A 0.9 ppb (1) N/A 20.0 ppb (15) 0.13 ppb (1) N/A 17.0 μg/m3 (61) 61.0
 
July 17, 2019, 10 a.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.8 ppb (1) N/A 20.0 ppb (15) 0.11 ppb (1) N/A 15.0 μg/m3 (56) 56.0
 
July 17, 2019, 9 a.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.7 ppb (1) N/A 20.0 ppb (15) 0.13 ppb (1) N/A 14.0 μg/m3 (54) 54.0
 
July 17, 2019, 8 a.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A 0.7 ppb (1) N/A 21.0 ppb (16) 0.13 ppb (1) N/A 15.0 μg/m3 (56) 56.0
 
July 17, 2019, 7 a.m. N/A 0.2 ppb (0) 0.9 ppb (1) N/A 0.8 ppb (1) N/A 22.0 ppb (17) 0.13 ppb (1) N/A 15.0 μg/m3 (56) 56.0
 
July 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 16.0 μg/m3 (59) 59.0
 
July 17, 2019, 5 a.m. N/A 0.2 ppb (0) 1.0 ppb (1) N/A 0.8 ppb (1) N/A 24.0 ppb (18) 0.13 ppb (1) N/A 15.0 μg/m3 (56) 56.0
 
July 17, 2019, 4 a.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A 0.7 ppb (1) N/A 24.0 ppb (18) 0.11 ppb (1) N/A 14.0 μg/m3 (54) 54.0
 
July 17, 2019, 3 a.m. N/A 0.2 ppb (0) 0.9 ppb (1) N/A 0.7 ppb (1) N/A 24.0 ppb (18) 0.14 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
July 17, 2019, 2 a.m. N/A 0.2 ppb (0) 0.9 ppb (1) N/A 0.7 ppb (1) N/A 26.0 ppb (20) 0.13 ppb (1) N/A 15.0 μg/m3 (56) 56.0
 
July 17, 2019, 1 a.m. N/A 0.2 ppb (0) 1.1 ppb (1) N/A 0.8 ppb (1) N/A 29.0 ppb (22) 0.13 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
July 17, 2019, midnight N/A 0.2 ppb (0) 1.0 ppb (1) N/A 0.8 ppb (1) N/A 28.0 ppb (22) 0.13 ppb (1) N/A 12.0 μg/m3 (50) 50.0
 
July 16, 2019, 11 p.m. N/A 0.3 ppb (0) 1.1 ppb (1) N/A 0.8 ppb (1) N/A 28.0 ppb (22) 0.13 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
July 16, 2019, 10 p.m. N/A 0.3 ppb (0) 0.9 ppb (1) N/A 0.7 ppb (1) N/A 24.0 ppb (18) 0.12 ppb (1) N/A 13.0 μg/m3 (52) 52.0
 
July 16, 2019, 9 p.m. N/A 0.3 ppb (0) 1.0 ppb (1) N/A 0.7 ppb (1) N/A 22.0 ppb (17) 0.12 ppb (1) N/A 17.0 μg/m3 (61) 61.0
 
July 16, 2019, 8 p.m. N/A 0.3 ppb (0) 0.9 ppb (1) N/A 0.6 ppb (1) N/A 20.0 ppb (15) 0.12 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
July 16, 2019, 7 p.m. N/A 0.3 ppb (0) 0.9 ppb (1) N/A 0.6 ppb (1) N/A 19.0 ppb (15) 0.12 ppb (1) N/A 16.0 μg/m3 (59) 59.0
 
July 16, 2019, 6 p.m. N/A 0.3 ppb (0) 0.6 ppb (1) N/A 0.4 ppb (0) N/A N/A 0.12 ppb (1) N/A 12.0 μg/m3 (50) 50.0
 
July 16, 2019, 5 p.m. N/A 0.3 ppb (0) 0.9 ppb (1) N/A 0.6 ppb (1) N/A 17.0 ppb (13) 0.12 ppb (1) N/A 10.0 μg/m3 (42) 42.0
 
July 16, 2019, 4 p.m. N/A 0.3 ppb (0) 0.9 ppb (1) N/A 0.6 ppb (1) N/A 15.0 ppb (12) 0.12 ppb (1) N/A 15.0 μg/m3 (56) 56.0
 
July 16, 2019, 3 p.m. N/A 0.3 ppb (0) 1.1 ppb (1) N/A 0.8 ppb (1) N/A 15.0 ppb (12) 0.13 ppb (1) N/A 19.0 μg/m3 (65) 65.0
 
July 16, 2019, 2 p.m. N/A 0.3 ppb (0) 1.1 ppb (1) N/A 0.8 ppb (1) N/A 15.0 ppb (12) 0.14 ppb (2) N/A 19.0 μg/m3 (65) 65.0
 
July 16, 2019, 1 p.m. N/A 0.2 ppb (0) 1.0 ppb (1) N/A 0.8 ppb (1) N/A 16.0 ppb (12) 0.14 ppb (2) N/A 19.0 μg/m3 (65) 65.0
 
July 16, 2019, noon N/A 0.4 ppb (0) 14.6 ppb (14) N/A 14.2 ppb (13) N/A 21.0 ppb (16) 0.11 ppb (1) N/A 17.0 μg/m3 (61) 61.0
 
July 16, 2019, 11 a.m. N/A 0.9 ppb (1) 32.5 ppb (30) N/A 31.6 ppb (29) N/A 21.0 ppb (16) 0.12 ppb (1) N/A 15.0 μg/m3 (56) 56.0
 
July 16, 2019, 10 a.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A 0.6 ppb (1) N/A 22.0 ppb (17) 0.11 ppb (1) N/A 14.0 μg/m3 (54) 54.0
 
July 16, 2019, 9 a.m. N/A 0.2 ppb (0) 0.9 ppb (1) N/A 0.7 ppb (1) N/A 25.0 ppb (19) 0.13 ppb (1) N/A 14.0 μg/m3 (54) 54.0
 
July 16, 2019, 8 a.m. N/A 0.2 ppb (0) 0.9 ppb (1) N/A 0.7 ppb (1) N/A 25.0 ppb (19) 0.13 ppb (1) N/A 15.0 μg/m3 (56) 56.0
 
July 16, 2019, 7 a.m. N/A 0.3 ppb (0) 1.0 ppb (1) N/A 0.7 ppb (1) N/A 28.0 ppb (22) 0.12 ppb (1) N/A 15.0 μg/m3 (56) 56.0
 
July 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 16, 2019, 5 a.m. N/A 0.3 ppb (0) 0.9 ppb (1) N/A 0.6 ppb (1) N/A 25.0 ppb (19) 0.12 ppb (1) N/A 12.0 μg/m3 (50) 50.0
 
July 16, 2019, 4 a.m. N/A 0.3 ppb (0) 0.9 ppb (1) N/A 0.5 ppb (0) N/A 25.0 ppb (19) 0.11 ppb (1) N/A 13.0 μg/m3 (52) 52.0
 
July 16, 2019, 3 a.m. N/A 0.5 ppb (0) 1.1 ppb (1) N/A 0.5 ppb (0) N/A 24.0 ppb (18) 0.11 ppb (1) N/A 12.0 μg/m3 (50) 50.0
 
July 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 16, 2019, 1 a.m. N/A 0.4 ppb (0) 0.8 ppb (1) N/A 0.4 ppb (0) N/A 22.0 ppb (17) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 16, 2019, midnight N/A 0.4 ppb (0) 0.7 ppb (1) N/A 0.3 ppb (0) N/A 17.0 ppb (13) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 11 p.m. N/A 0.4 ppb (0) 0.8 ppb (1) N/A 0.4 ppb (0) N/A 17.0 ppb (13) 0.13 ppb (1) N/A 16.0 μg/m3 (59) 59.0
 
July 15, 2019, 10 p.m. N/A 0.4 ppb (0) 0.8 ppb (1) N/A 0.4 ppb (0) N/A 20.0 ppb (15) 0.11 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
July 15, 2019, 9 p.m. N/A 0.4 ppb (0) 0.9 ppb (1) N/A 0.5 ppb (0) N/A 18.0 ppb (14) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
July 15, 2019, 8 p.m. N/A 0.4 ppb (0) 0.9 ppb (1) N/A 0.5 ppb (0) N/A 19.0 ppb (15) 0.15 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
July 15, 2019, 7 p.m. N/A 0.3 ppb (0) 0.9 ppb (1) N/A 0.5 ppb (0) N/A 21.0 ppb (16) 0.15 ppb (2) N/A 3.0 μg/m3 (12) 16.0
 
July 15, 2019, 6 p.m. N/A 0.4 ppb (0) 1.0 ppb (1) N/A 0.6 ppb (1) N/A 20.0 ppb (15) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 5 p.m. N/A 0.3 ppb (0) 1.1 ppb (1) N/A 0.7 ppb (1) N/A 23.0 ppb (18) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 15, 2019, 4 p.m. N/A 0.3 ppb (0) 1.1 ppb (1) N/A 0.8 ppb (1) N/A 24.0 ppb (18) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 3 p.m. N/A 0.3 ppb (0) 1.1 ppb (1) N/A 0.8 ppb (1) N/A 24.0 ppb (18) 0.14 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 15, 2019, 2 p.m. N/A 0.3 ppb (0) 1.1 ppb (1) N/A 0.7 ppb (1) N/A 28.0 ppb (22) 0.14 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 15, 2019, 1 p.m. N/A 0.3 ppb (0) 1.1 ppb (1) N/A 0.8 ppb (1) N/A 27.0 ppb (21) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 15, 2019, noon N/A 0.2 ppb (0) 1.1 ppb (1) N/A 0.8 ppb (1) N/A 25.0 ppb (19) 0.13 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
July 15, 2019, 11 a.m. N/A 0.2 ppb (0) 1.1 ppb (1) N/A 0.8 ppb (1) N/A 26.0 ppb (20) 0.13 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 10 a.m. N/A 0.2 ppb (0) 1.3 ppb (1) N/A 1.1 ppb (1) N/A 27.0 ppb (21) 0.12 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 9 a.m. N/A 0.2 ppb (0) 1.6 ppb (1) N/A 1.4 ppb (1) N/A 28.0 ppb (22) 0.13 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
July 15, 2019, 8 a.m. N/A 0.2 ppb (0) 1.7 ppb (2) N/A 1.4 ppb (1) N/A 30.0 ppb (23) 0.12 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 7 a.m. N/A 0.2 ppb (0) 1.5 ppb (1) N/A 1.2 ppb (1) N/A 30.0 ppb (23) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 5 a.m. N/A 0.2 ppb (0) 1.6 ppb (1) N/A 1.4 ppb (1) N/A 31.0 ppb (24) 0.12 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 4 a.m. N/A 0.2 ppb (0) 1.2 ppb (1) N/A 1.0 ppb (1) N/A 33.0 ppb (25) 0.11 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 3 a.m. N/A 0.2 ppb (0) 0.9 ppb (1) N/A 0.6 ppb (1) N/A 32.0 ppb (25) 0.12 ppb (1) N/A 5.0 μg/m3 (21) 25.0
 
July 15, 2019, 2 a.m. N/A 0.2 ppb (0) 0.9 ppb (1) N/A 0.7 ppb (1) N/A 31.0 ppb (24) 0.12 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
July 15, 2019, 1 a.m. N/A 0.2 ppb (0) 1.0 ppb (1) N/A 0.8 ppb (1) N/A 34.0 ppb (26) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 26.0
 
July 15, 2019, midnight N/A 0.2 ppb (0) 1.0 ppb (1) N/A 0.8 ppb (1) N/A 35.0 ppb (27) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 14, 2019, 11 p.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A 0.9 ppb (1) N/A 36.0 ppb (28) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 28.0
 
July 14, 2019, 10 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A 0.7 ppb (1) N/A 35.0 ppb (27) 0.11 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2019, 9 p.m. N/A 0.1 ppb (0) 0.4 ppb (0) N/A 0.3 ppb (0) N/A 33.0 ppb (25) 0.12 ppb (1) N/A 5.0 μg/m3 (21) 25.0
 
July 14, 2019, 8 p.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A 0.7 ppb (1) N/A 32.0 ppb (25) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 25.0
 
July 14, 2019, 7 p.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A 0.7 ppb (1) N/A 35.0 ppb (27) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 27.0
 
July 14, 2019, 6 p.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A 0.9 ppb (1) N/A 37.0 ppb (28) 0.13 ppb (1) N/A 1.0 μg/m3 (4) 28.0
 
July 14, 2019, 5 p.m. N/A 0.2 ppb (0) 1.3 ppb (1) N/A 1.2 ppb (1) N/A 33.0 ppb (25) 0.13 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2019, 4 p.m. N/A 0.2 ppb (0) 1.2 ppb (1) N/A 1.0 ppb (1) N/A 30.0 ppb (23) 0.11 ppb (1) N/A 4.0 μg/m3 (17) 23.0
 
July 14, 2019, 3 p.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A 0.6 ppb (1) N/A 22.0 ppb (17) 0.13 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2019, 2 p.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A 0.6 ppb (1) N/A 21.0 ppb (16) 0.12 ppb (1) N/A 12.0 μg/m3 (50) 50.0
 
July 14, 2019, 1 p.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A 0.6 ppb (1) N/A 20.0 ppb (15) 0.12 ppb (1) N/A 12.0 μg/m3 (50) 50.0
 
July 14, 2019, noon N/A 0.8 ppb (1) 14.2 ppb (13) N/A 13.4 ppb (12) N/A 24.0 ppb (18) 0.11 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
July 14, 2019, 11 a.m. N/A 0.5 ppb (0) 31.7 ppb (29) N/A 31.2 ppb (29) N/A 25.0 ppb (19) 0.11 ppb (1) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2019, 10 a.m. N/A 0.1 ppb (0) 0.6 ppb (1) N/A 0.5 ppb (0) N/A 23.0 ppb (18) 0.1 ppb (1) N/A 8.0 μg/m3 (33) 33.0