ID: 755

AQSQID: 470090101

Site Name: Look Rock - Gsmnp

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

Updated: Oct. 19, 2021, 12:04 p.m.

Location: Maryville (Look Rock Tower), TN

Reporting: True, Located: True

Current AQI: 42.0

Maryville (Look Rock Tower) TN, US: 35.6322, -83.9422

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 19, 2021, 10 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A 1.9 ppb (2) N/A 45.0 ppb (42) 0.12 ppb (2) N/A 5.0 μg/m3 (21) 42.0
 
Oct. 19, 2021, 9 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A 2.2 ppb (3) N/A 45.0 ppb (42) 0.08 ppb (2) N/A 5.0 μg/m3 (21) 42.0
 
Oct. 19, 2021, 8 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 45.0 ppb (42) 0.07 ppb (2) N/A 5.0 μg/m3 (21) 42.0
 
Oct. 19, 2021, 7 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) N/A 2.1 ppb (2) N/A 45.0 ppb (42) 0.09 ppb (2) N/A 5.0 μg/m3 (21) 42.0
 
Oct. 19, 2021, 6 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) N/A 2.1 ppb (2) N/A 45.0 ppb (42) 0.11 ppb (2) N/A 5.0 μg/m3 (21) 42.0
 
Oct. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
Oct. 19, 2021, 2 a.m. N/A 0.0 ppb (0) 2.4 ppb (3) N/A 2.4 ppb (3) N/A 45.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
Oct. 19, 2021, 1 a.m. N/A 0.0 ppb (0) 2.8 ppb (3) N/A 2.9 ppb (3) N/A 45.0 ppb (42) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 42.0
 
Oct. 19, 2021, midnight N/A 0.0 ppb (0) 2.6 ppb (3) N/A 2.7 ppb (3) N/A 46.0 ppb (43) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 43.0
 
Oct. 18, 2021, 11 p.m. N/A 0.0 ppb (0) 2.5 ppb (3) N/A 2.6 ppb (3) N/A 46.0 ppb (43) 0.13 ppb (2) N/A 6.0 μg/m3 (25) 43.0
 
Oct. 18, 2021, 10 p.m. N/A 0.0 ppb (0) 2.3 ppb (3) N/A 2.4 ppb (3) N/A 47.0 ppb (44) 0.13 ppb (2) N/A 5.0 μg/m3 (21) 44.0
 
Oct. 18, 2021, 9 p.m. N/A 0.0 ppb (0) 3.0 ppb (3) N/A 3.0 ppb (3) N/A 48.0 ppb (45) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 45.0
 
Oct. 18, 2021, 8 p.m. N/A 0.0 ppb (0) 2.8 ppb (3) N/A 2.8 ppb (3) N/A 47.0 ppb (44) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 44.0
 
Oct. 18, 2021, 7 p.m. N/A 0.0 ppb (0) 2.2 ppb (3) N/A 2.2 ppb (3) N/A 43.0 ppb (40) 0.12 ppb (2) N/A 6.0 μg/m3 (25) 40.0
 
Oct. 18, 2021, 6 p.m. N/A 0.0 ppb (0) 1.6 ppb (2) N/A 1.6 ppb (2) N/A 40.0 ppb (38) 0.11 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
Oct. 18, 2021, 5 p.m. N/A 0.0 ppb (0) 1.6 ppb (2) N/A 1.7 ppb (2) N/A 38.0 ppb (36) 0.12 ppb (2) N/A 6.0 μg/m3 (25) 36.0
 
Oct. 18, 2021, 4 p.m. N/A 0.0 ppb (0) 1.6 ppb (2) N/A 1.7 ppb (2) N/A 34.0 ppb (32) 0.12 ppb (2) N/A 6.0 μg/m3 (25) 32.0
 
Oct. 18, 2021, 3 p.m. N/A 0.0 ppb (0) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 35.0 ppb (33) 0.12 ppb (2) N/A 5.0 μg/m3 (21) 33.0
 
Oct. 18, 2021, 2 p.m. N/A 0.0 ppb (0) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 37.0 ppb (35) 0.11 ppb (2) N/A 6.0 μg/m3 (25) 35.0
 
Oct. 18, 2021, 1 p.m. N/A 0.0 ppb (0) 2.3 ppb (3) N/A 2.3 ppb (3) N/A 39.0 ppb (37) 0.12 ppb (2) N/A 7.0 μg/m3 (30) 37.0
 
Oct. 18, 2021, noon N/A 0.0 ppb (0) 2.2 ppb (3) N/A 2.3 ppb (3) N/A 41.0 ppb (38) 0.12 ppb (2) N/A 6.0 μg/m3 (25) 38.0
 
Oct. 18, 2021, 11 a.m. N/A 0.0 ppb (0) 2.4 ppb (3) N/A 2.5 ppb (3) N/A 44.0 ppb (41) 0.12 ppb (2) N/A 5.0 μg/m3 (21) 41.0
 
Oct. 18, 2021, 10 a.m. N/A 0.0 ppb (0) 2.2 ppb (3) N/A 2.3 ppb (3) N/A 43.0 ppb (40) 0.11 ppb (2) N/A 5.0 μg/m3 (21) 40.0
 
Oct. 18, 2021, 9 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A 2.2 ppb (3) N/A 43.0 ppb (40) 0.11 ppb (2) N/A 5.0 μg/m3 (21) 40.0
 
Oct. 18, 2021, 8 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 42.0 ppb (39) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 39.0
 
Oct. 18, 2021, 7 a.m. N/A 0.0 ppb (0) 2.3 ppb (3) N/A 2.4 ppb (3) N/A 42.0 ppb (39) 0.11 ppb (2) N/A 4.0 μg/m3 (17) 39.0
 
Oct. 18, 2021, 6 a.m. N/A 0.0 ppb (0) 2.3 ppb (3) N/A 2.3 ppb (3) N/A 43.0 ppb (40) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 40.0
 
Oct. 18, 2021, 5 a.m. N/A 0.0 ppb (0) 2.4 ppb (3) N/A 2.5 ppb (3) N/A 43.0 ppb (40) 0.11 ppb (2) N/A 4.0 μg/m3 (17) 40.0
 
Oct. 18, 2021, 4 a.m. N/A 0.0 ppb (0) 2.3 ppb (3) N/A 2.3 ppb (3) N/A 42.0 ppb (39) 0.11 ppb (2) N/A 4.0 μg/m3 (17) 39.0
 
Oct. 18, 2021, 3 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) N/A 2.1 ppb (2) N/A 41.0 ppb (38) 0.11 ppb (2) N/A 5.0 μg/m3 (21) 38.0
 
Oct. 18, 2021, 2 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A 1.9 ppb (2) N/A 40.0 ppb (38) 0.11 ppb (2) N/A 5.0 μg/m3 (21) 38.0
 
Oct. 18, 2021, 1 a.m. N/A 0.0 ppb (0) 2.5 ppb (3) N/A 2.6 ppb (3) N/A 40.0 ppb (38) 0.13 ppb (2) N/A 5.0 μg/m3 (21) 38.0
 
Oct. 18, 2021, midnight N/A 0.0 ppb (0) 2.6 ppb (3) N/A 2.7 ppb (3) N/A 40.0 ppb (38) 0.13 ppb (2) N/A 5.0 μg/m3 (21) 38.0
 
Oct. 17, 2021, 11 p.m. N/A 0.0 ppb (0) 2.3 ppb (3) N/A 2.4 ppb (3) N/A 41.0 ppb (38) 0.13 ppb (2) N/A 6.0 μg/m3 (25) 38.0
 
Oct. 17, 2021, 10 p.m. N/A 0.0 ppb (0) 2.0 ppb (2) N/A 2.1 ppb (2) N/A 41.0 ppb (38) 0.12 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
Oct. 17, 2021, 9 p.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A 2.1 ppb (2) N/A 41.0 ppb (38) 0.13 ppb (2) N/A 3.0 μg/m3 (13) 38.0
 
Oct. 17, 2021, 8 p.m. N/A 0.0 ppb (0) 2.4 ppb (3) N/A 2.4 ppb (3) N/A 42.0 ppb (39) 0.13 ppb (2) N/A 4.0 μg/m3 (17) 39.0
 
Oct. 17, 2021, 7 p.m. N/A 0.0 ppb (0) 2.5 ppb (3) N/A 2.5 ppb (3) N/A 42.0 ppb (39) 0.13 ppb (2) N/A 5.0 μg/m3 (21) 39.0
 
Oct. 17, 2021, 6 p.m. N/A 0.0 ppb (0) 2.5 ppb (3) N/A 2.4 ppb (3) N/A 42.0 ppb (39) 0.13 ppb (2) N/A 4.0 μg/m3 (17) 39.0
 
Oct. 17, 2021, 5 p.m. N/A 0.0 ppb (0) 2.3 ppb (3) N/A 2.2 ppb (3) N/A 39.0 ppb (37) 0.13 ppb (2) N/A 2.0 μg/m3 (9) 37.0
 
Oct. 17, 2021, 4 p.m. N/A 0.0 ppb (0) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 36.0 ppb (34) 0.13 ppb (2) N/A 0.0 μg/m3 (0) 34.0
 
Oct. 17, 2021, 3 p.m. N/A 0.0 ppb (0) 1.7 ppb (2) N/A 1.7 ppb (2) N/A 36.0 ppb (34) 0.12 ppb (2) N/A N/A 34.0
 
Oct. 17, 2021, 2 p.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A 1.8 ppb (2) N/A 35.0 ppb (33) 0.12 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 17, 2021, 1 p.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A 2.1 ppb (2) N/A 34.0 ppb (32) 0.11 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 17, 2021, noon N/A 0.0 ppb (0) 1.9 ppb (2) N/A 1.9 ppb (2) N/A 34.0 ppb (32) 0.1 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 17, 2021, 11 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A 1.9 ppb (2) N/A 34.0 ppb (32) 0.11 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 17, 2021, 10 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A 1.9 ppb (2) N/A 33.0 ppb (31) 0.11 ppb (2) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 17, 2021, 9 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A 2.2 ppb (3) N/A 32.0 ppb (30) 0.13 ppb (2) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 17, 2021, 8 a.m. N/A 0.0 ppb (0) 2.7 ppb (3) N/A 2.7 ppb (3) N/A 30.0 ppb (28) 0.12 ppb (2) N/A 16.0 μg/m3 (60) 60.0
 
Oct. 17, 2021, 7 a.m. N/A 0.0 ppb (0) 2.9 ppb (3) N/A 3.0 ppb (3) N/A 33.0 ppb (31) 0.12 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 17, 2021, 6 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A 1.8 ppb (2) N/A 36.0 ppb (34) 0.11 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 17, 2021, 5 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A 1.9 ppb (2) N/A 37.0 ppb (35) 0.1 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 17, 2021, 4 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A 2.0 ppb (2) N/A 37.0 ppb (35) 0.1 ppb (2) N/A 8.0 μg/m3 (34) 35.0
 
Oct. 17, 2021, 3 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A 1.8 ppb (2) N/A 36.0 ppb (34) 0.1 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 17, 2021, 2 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A 1.9 ppb (2) N/A 35.0 ppb (33) 0.11 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 17, 2021, 1 a.m. N/A 0.0 ppb (0) 2.7 ppb (3) N/A 2.7 ppb (3) N/A 32.0 ppb (30) 0.14 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 17, 2021, midnight N/A 0.0 ppb (0) 1.7 ppb (2) N/A 1.7 ppb (2) N/A 33.0 ppb (31) 0.13 ppb (2) N/A 5.0 μg/m3 (21) 31.0
 
Oct. 16, 2021, 11 p.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.2 ppb (2) N/A 33.0 ppb (31) 0.12 ppb (2) N/A 5.0 μg/m3 (21) 31.0
 
Oct. 16, 2021, 10 p.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.1 ppb (2) N/A 32.0 ppb (30) 0.11 ppb (2) N/A 6.0 μg/m3 (25) 30.0
 
Oct. 16, 2021, 9 p.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.1 ppb (2) N/A 35.0 ppb (33) 0.11 ppb (2) N/A 6.0 μg/m3 (25) 33.0
 
Oct. 16, 2021, 8 p.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.1 ppb (2) N/A 35.0 ppb (33) 0.12 ppb (2) N/A 3.0 μg/m3 (13) 33.0
 
Oct. 16, 2021, 7 p.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.1 ppb (2) N/A 35.0 ppb (33) 0.12 ppb (2) N/A 4.0 μg/m3 (17) 33.0
 
Oct. 16, 2021, 6 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 35.0 ppb (33) 0.12 ppb (2) N/A 2.0 μg/m3 (9) 33.0
 
Oct. 16, 2021, 5 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) N/A 31.0 ppb (29) 0.13 ppb (2) N/A 3.0 μg/m3 (13) 29.0
 
Oct. 16, 2021, 4 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) N/A 28.0 ppb (26) 0.14 ppb (2) N/A 2.0 μg/m3 (9) 26.0
 
Oct. 16, 2021, 3 p.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 24.0 ppb (23) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 23.0
 
Oct. 16, 2021, 2 p.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.1 ppb (2) N/A 24.0 ppb (23) 0.13 ppb (2) N/A 3.0 μg/m3 (13) 23.0
 
Oct. 16, 2021, 1 p.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A 1.4 ppb (2) N/A 22.0 ppb (21) 0.15 ppb (2) N/A 2.0 μg/m3 (9) 21.0
 
Oct. 16, 2021, noon N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 25.0 ppb (24) 0.12 ppb (2) N/A 2.0 μg/m3 (9) 24.0
 
Oct. 16, 2021, 11 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 34.0 ppb (32) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 32.0
 
Oct. 16, 2021, 10 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 32.0 ppb (30) 0.09 ppb (2) N/A 6.0 μg/m3 (25) 30.0
 
Oct. 16, 2021, 9 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.7 ppb (1) N/A 30.0 ppb (28) 0.12 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 16, 2021, 8 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 30.0 ppb (28) 0.12 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 16, 2021, 7 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 30.0 ppb (28) 0.13 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 16, 2021, 6 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) N/A 30.0 ppb (28) 0.12 ppb (2) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 16, 2021, 5 a.m. N/A 0.1 ppb (1) 0.9 ppb (1) N/A 0.8 ppb (1) N/A 32.0 ppb (30) 0.12 ppb (2) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 11.0 μg/m3 (46) 46.0
 
Oct. 16, 2021, 3 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 31.0 ppb (29) 0.13 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 16, 2021, 2 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.5 ppb (1) N/A 27.0 ppb (25) 0.11 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 16, 2021, 1 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.5 ppb (1) N/A 29.0 ppb (27) 0.12 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 16, 2021, midnight N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 29.0 ppb (27) 0.12 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2021, 11 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 33.0 ppb (31) 0.11 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2021, 10 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.6 ppb (1) N/A 33.0 ppb (31) 0.1 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 15, 2021, 9 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) N/A 32.0 ppb (30) 0.11 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 15, 2021, 8 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) N/A 31.0 ppb (29) 0.12 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 15, 2021, 7 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) N/A 32.0 ppb (30) 0.12 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2021, 6 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) N/A 34.0 ppb (32) 0.12 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2021, 5 p.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.1 ppb (2) N/A 34.0 ppb (32) 0.15 ppb (2) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 15, 2021, 4 p.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A 1.4 ppb (2) N/A 36.0 ppb (34) 0.16 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 15, 2021, 3 p.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A 1.8 ppb (2) N/A 39.0 ppb (37) 0.17 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 15, 2021, 2 p.m. N/A 0.0 ppb (0) 1.6 ppb (2) N/A 1.6 ppb (2) N/A 34.0 ppb (32) 0.17 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
Oct. 15, 2021, 1 p.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A 2.1 ppb (2) N/A 38.0 ppb (36) 0.17 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
Oct. 15, 2021, noon N/A 0.0 ppb (0) 1.7 ppb (2) N/A 1.7 ppb (2) N/A 44.0 ppb (41) 0.15 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 15, 2021, 11 a.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A 1.5 ppb (2) N/A 42.0 ppb (39) 0.17 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 15, 2021, 10 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.1 ppb (2) N/A 38.0 ppb (36) 0.16 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 15, 2021, 9 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.1 ppb (2) N/A 34.0 ppb (32) 0.16 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 15, 2021, 8 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 36.0 ppb (34) 0.15 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 15, 2021, 7 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.9 ppb (1) N/A 32.0 ppb (30) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2021, 6 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) N/A 30.0 ppb (28) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2021, 5 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) N/A 31.0 ppb (29) 0.15 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 15, 2021, 4 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) N/A 27.0 ppb (25) 0.15 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 15, 2021, 3 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) N/A 32.0 ppb (30) 0.15 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 15, 2021, 2 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) N/A 33.0 ppb (31) 0.15 ppb (2) N/A N/A 31.0
 
Oct. 15, 2021, 1 a.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A 1.3 ppb (2) N/A 37.0 ppb (35) 0.17 ppb (3) N/A N/A 35.0
 
Oct. 15, 2021, midnight N/A 0.0 ppb (0) 1.4 ppb (2) N/A 1.4 ppb (2) N/A 37.0 ppb (35) 0.17 ppb (3) N/A N/A 35.0
 
Oct. 14, 2021, 11 p.m. N/A 0.0 ppb (0) 1.5 ppb (2) N/A 1.4 ppb (2) N/A 38.0 ppb (36) 0.17 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 14, 2021, 10 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) N/A 33.0 ppb (31) 0.15 ppb (2) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 14, 2021, 9 p.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.1 ppb (2) N/A 33.0 ppb (31) 0.16 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 14, 2021, 8 p.m. N/A 0.0 ppb (0) 1.5 ppb (2) N/A 1.4 ppb (2) N/A 38.0 ppb (36) 0.16 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 14, 2021, 7 p.m. N/A 0.0 ppb (0) 1.5 ppb (2) N/A 1.5 ppb (2) N/A 41.0 ppb (38) 0.16 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 14, 2021, 6 p.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A 1.4 ppb (2) N/A 42.0 ppb (39) 0.15 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 14, 2021, 5 p.m. N/A 0.0 ppb (0) 1.6 ppb (2) N/A 1.6 ppb (2) N/A 38.0 ppb (36) 0.18 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 14, 2021, 4 p.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 29.0 ppb (27) 0.17 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 14, 2021, 3 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) N/A 24.0 ppb (23) 0.16 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 14, 2021, 2 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) N/A 28.0 ppb (26) 0.14 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 14, 2021, 1 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 27.0 ppb (25) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 14, 2021, noon N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.8 ppb (1) N/A 32.0 ppb (30) 0.14 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 14, 2021, 11 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) N/A 33.0 ppb (31) 0.13 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 14, 2021, 10 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 32.0 ppb (30) 0.12 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, 9 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) N/A 35.0 ppb (33) 0.14 ppb (2) N/A 7.0 μg/m3 (30) 33.0
 
Oct. 14, 2021, 8 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A 1.2 ppb (2) N/A 39.0 ppb (37) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 14, 2021, 7 a.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A 1.4 ppb (2) N/A 39.0 ppb (37) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 14, 2021, 6 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A 1.3 ppb (2) N/A 40.0 ppb (38) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 14, 2021, 5 a.m. N/A 0.0 ppb (0) 1.3 ppb (2) N/A 1.4 ppb (2) N/A 39.0 ppb (37) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 14, 2021, 4 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A 1.2 ppb (2) N/A 37.0 ppb (35) 0.16 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 14, 2021, 3 a.m. N/A 0.0 ppb (0) 1.3 ppb (2) N/A 1.4 ppb (2) N/A 39.0 ppb (37) 0.16 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 14, 2021, 2 a.m. N/A 0.0 ppb (0) 1.3 ppb (2) N/A 1.3 ppb (2) N/A 39.0 ppb (37) 0.14 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 14, 2021, 1 a.m. N/A 0.0 ppb (0) 1.7 ppb (2) N/A 1.7 ppb (2) N/A 44.0 ppb (41) 0.15 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 14, 2021, midnight N/A 0.0 ppb (0) 1.8 ppb (2) N/A 1.8 ppb (2) N/A 45.0 ppb (42) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 13, 2021, 11 p.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A 1.9 ppb (2) N/A 43.0 ppb (40) 0.15 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 13, 2021, 10 p.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A 1.4 ppb (2) N/A 40.0 ppb (38) 0.12 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 13, 2021, 9 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) N/A 36.0 ppb (34) 0.14 ppb (2) N/A 7.0 μg/m3 (30) 34.0
 
Oct. 13, 2021, 8 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) N/A 33.0 ppb (31) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 13, 2021, 7 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) N/A 33.0 ppb (31) 0.14 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, 6 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) N/A 31.0 ppb (29) 0.13 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, 5 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 27.0 ppb (25) 0.15 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, 4 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.6 ppb (1) N/A 23.0 ppb (22) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 13, 2021, 3 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.5 ppb (1) N/A 21.0 ppb (20) 0.14 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 13, 2021, 2 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 25.0 ppb (24) 0.13 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 13, 2021, 1 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.8 ppb (1) N/A 33.0 ppb (31) 0.13 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 13, 2021, noon N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.7 ppb (1) N/A 34.0 ppb (32) 0.11 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 13, 2021, 11 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 32.0 ppb (30) 0.13 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, 10 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.5 ppb (1) N/A 28.0 ppb (26) 0.12 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 13, 2021, 9 a.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A 0.4 ppb (1) N/A 22.0 ppb (21) 0.13 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 13, 2021, 8 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.6 ppb (1) N/A 31.0 ppb (29) 0.12 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 13, 2021, 7 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.5 ppb (1) N/A 29.0 ppb (27) 0.14 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 13, 2021, 6 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.4 ppb (1) N/A 25.0 ppb (24) 0.13 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 13, 2021, 5 a.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A 0.4 ppb (1) N/A 32.0 ppb (30) 0.11 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
Oct. 13, 2021, 3 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 31.0 ppb (29) 0.12 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 13, 2021, 2 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.6 ppb (1) N/A 30.0 ppb (28) 0.11 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 13, 2021, 1 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.5 ppb (1) N/A 25.0 ppb (24) 0.12 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, midnight N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.5 ppb (1) N/A 23.0 ppb (22) 0.12 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 12, 2021, 11 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 28.0 ppb (26) 0.12 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 12, 2021, 10 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.7 ppb (1) N/A 27.0 ppb (25) 0.11 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 12, 2021, 9 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.7 ppb (1) N/A 28.0 ppb (26) 0.13 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 12, 2021, 8 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) N/A 26.0 ppb (25) 0.13 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 12, 2021, 7 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) N/A 25.0 ppb (24) 0.14 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 12, 2021, 6 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.6 ppb (1) N/A 26.0 ppb (25) 0.12 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 12, 2021, 5 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.8 ppb (1) N/A N/A 0.13 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 12, 2021, 4 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 23.0 ppb (22) 0.13 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 12, 2021, 3 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.6 ppb (1) N/A 22.0 ppb (21) 0.13 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 12, 2021, 2 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.5 ppb (1) N/A 22.0 ppb (21) 0.13 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 12, 2021, 1 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.7 ppb (1) N/A 22.0 ppb (21) 0.13 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 12, 2021, noon N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 26.0 ppb (25) 0.13 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 12, 2021, 11 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.7 ppb (1) N/A 28.0 ppb (26) 0.12 ppb (2) N/A 6.0 μg/m3 (25) 26.0
 
Oct. 12, 2021, 10 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 29.0 ppb (27) 0.11 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 12, 2021, 9 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.8 ppb (1) N/A 32.0 ppb (30) 0.12 ppb (2) N/A 7.0 μg/m3 (30) 30.0