ID: 755

AQSQID: 470090101

Site Name: Look Rock - Gsmnp

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

Updated: May 28, 2022, 1:28 p.m.

Location: Maryville (Look Rock Tower), TN

Reporting: True, Located: True

Current AQI: 30.0

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
May 28, 2022, 11 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.1 ppb (2) N/A 28.0 ppb (26) 0.14 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
May 28, 2022, 11 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.1 ppb (2) N/A 28.0 ppb (26) 0.14 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
May 28, 2022, 10 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 29.0 ppb (27) 0.13 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
May 28, 2022, 10 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 29.0 ppb (27) 0.13 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
May 28, 2022, 9 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A 1.2 ppb (2) N/A 31.0 ppb (29) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 29.0
 
May 28, 2022, 9 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A 1.2 ppb (2) N/A 31.0 ppb (29) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 29.0
 
May 28, 2022, 8 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.1 ppb (2) N/A 28.0 ppb (26) 0.13 ppb (2) N/A 6.0 μg/m3 (25) 26.0
 
May 28, 2022, 8 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.1 ppb (2) N/A 28.0 ppb (26) 0.13 ppb (2) N/A 6.0 μg/m3 (25) 26.0
 
May 28, 2022, 7 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.2 ppb (2) N/A 29.0 ppb (27) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 27.0
 
May 28, 2022, 7 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.2 ppb (2) N/A 29.0 ppb (27) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 27.0
 
May 28, 2022, 6 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 28.0 ppb (26) 0.13 ppb (2) N/A 4.0 μg/m3 (17) 26.0
 
May 28, 2022, 6 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 28.0 ppb (26) 0.13 ppb (2) N/A 4.0 μg/m3 (17) 26.0
 
May 28, 2022, 5 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) N/A 27.0 ppb (25) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
May 28, 2022, 5 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) N/A 27.0 ppb (25) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
May 28, 2022, 3 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) N/A 29.0 ppb (27) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 27.0
 
May 27, 2022, 7 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) N/A 38.0 ppb (36) 0.12 ppb (2) N/A 6.0 μg/m3 (25) 36.0
 
May 27, 2022, 7 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) N/A 38.0 ppb (36) 0.12 ppb (2) N/A 6.0 μg/m3 (25) 36.0
 
May 27, 2022, 6 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) N/A 35.0 ppb (33) 0.11 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 27, 2022, 5 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) N/A 37.0 ppb (35) 0.13 ppb (2) N/A 8.0 μg/m3 (34) 35.0
 
May 27, 2022, 5 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) N/A 37.0 ppb (35) 0.13 ppb (2) N/A 8.0 μg/m3 (34) 35.0
 
May 27, 2022, 4 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A 0.9 ppb (1) N/A 38.0 ppb (36) 0.13 ppb (2) N/A 7.0 μg/m3 (30) 36.0
 
May 27, 2022, 3 p.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
 
May 27, 2022, 3 p.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
 
May 27, 2022, 2 p.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 9.0 μg/m3 (38) 38.0
 
May 27, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 2.0 μg/m3 (9) 29.0
 
May 27, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
May 27, 2022, 3 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A 0.2 ppb (1) N/A 26.0 ppb (25) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
May 27, 2022, 2 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A 0.1 ppb (1) N/A 26.0 ppb (25) 0.09 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
May 27, 2022, 1 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A 0.1 ppb (1) N/A 26.0 ppb (25) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
May 27, 2022, midnight N/A 0.0 ppb (0) 0.1 ppb (1) N/A 0.1 ppb (1) N/A 28.0 ppb (26) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 26.0
 
May 26, 2022, 11 p.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A 0.1 ppb (1) N/A 27.0 ppb (25) 0.11 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
May 26, 2022, 10 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A 0.3 ppb (1) N/A 28.0 ppb (26) 0.1 ppb (2) N/A 3.0 μg/m3 (13) 26.0
 
May 26, 2022, 9 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.5 ppb (1) N/A 26.0 ppb (25) 0.12 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
May 26, 2022, 8 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.3 ppb (1) N/A 26.0 ppb (25) 0.12 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
May 26, 2022, 8 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.3 ppb (1) N/A 26.0 ppb (25) 0.12 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
May 26, 2022, 7 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.4 ppb (1) N/A 29.0 ppb (27) 0.12 ppb (2) N/A 6.0 μg/m3 (25) 27.0
 
May 26, 2022, 7 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.4 ppb (1) N/A 29.0 ppb (27) 0.12 ppb (2) N/A 6.0 μg/m3 (25) 27.0
 
May 26, 2022, 6 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.4 ppb (1) N/A 30.0 ppb (28) 0.11 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
May 26, 2022, 6 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.4 ppb (1) N/A 30.0 ppb (28) 0.11 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
May 26, 2022, 5 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.5 ppb (1) N/A 28.0 ppb (26) 0.13 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
May 26, 2022, 5 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.5 ppb (1) N/A 28.0 ppb (26) 0.13 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
May 26, 2022, 4 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.4 ppb (1) N/A 25.0 ppb (24) 0.12 ppb (2) N/A 4.0 μg/m3 (17) 24.0
 
May 26, 2022, 4 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.4 ppb (1) N/A 25.0 ppb (24) 0.12 ppb (2) N/A 4.0 μg/m3 (17) 24.0
 
May 26, 2022, 3 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.4 ppb (1) N/A 25.0 ppb (24) 0.12 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 26, 2022, 2 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A 0.3 ppb (1) N/A 25.0 ppb (24) 0.11 ppb (2) N/A 5.0 μg/m3 (21) 24.0
 
May 26, 2022, 2 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A 0.3 ppb (1) N/A 25.0 ppb (24) 0.11 ppb (2) N/A 5.0 μg/m3 (21) 24.0
 
May 26, 2022, 5 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.5 ppb (1) N/A 34.0 ppb (32) 0.13 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 26, 2022, 4 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.4 ppb (1) N/A 34.0 ppb (32) 0.12 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 26, 2022, 1 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.4 ppb (1) N/A 33.0 ppb (31) 0.12 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 26, 2022, midnight N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.4 ppb (1) N/A 32.0 ppb (30) 0.12 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 25, 2022, 11 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.4 ppb (1) N/A 33.0 ppb (31) 0.11 ppb (2) N/A 7.0 μg/m3 (30) 31.0
 
May 25, 2022, 10 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A 0.3 ppb (1) N/A 31.0 ppb (29) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 29.0
 
May 25, 2022, 10 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A 0.3 ppb (1) N/A 31.0 ppb (29) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 29.0
 
May 25, 2022, 9 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A 0.4 ppb (1) N/A 28.0 ppb (26) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 26.0
 
May 25, 2022, 8 p.m. N/A 0.1 ppb (1) 0.7 ppb (1) N/A 0.5 ppb (1) N/A 30.0 ppb (28) 0.11 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
May 25, 2022, 8 p.m. N/A 0.1 ppb (1) 0.7 ppb (1) N/A 0.5 ppb (1) N/A 30.0 ppb (28) 0.11 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
May 25, 2022, 7 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A 0.4 ppb (1) N/A 30.0 ppb (28) 0.11 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
May 25, 2022, 7 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A 0.4 ppb (1) N/A 30.0 ppb (28) 0.11 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
May 25, 2022, 6 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A 0.4 ppb (1) N/A 28.0 ppb (26) 0.11 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 25, 2022, 6 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A 0.4 ppb (1) N/A 28.0 ppb (26) 0.11 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 25, 2022, 5 p.m. N/A 0.2 ppb (1) 1.1 ppb (2) N/A 0.9 ppb (1) N/A 26.0 ppb (25) 0.13 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 25, 2022, 4 p.m. N/A 0.1 ppb (1) 0.8 ppb (1) N/A 0.7 ppb (1) N/A 27.0 ppb (25) 0.13 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 25, 2022, 4 p.m. N/A 0.1 ppb (1) 0.8 ppb (1) N/A 0.7 ppb (1) N/A 27.0 ppb (25) 0.13 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 25, 2022, 3 p.m. N/A 0.2 ppb (1) 1.4 ppb (2) N/A 1.1 ppb (2) N/A 26.0 ppb (25) 0.13 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 25, 2022, 1 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.7 ppb (1) N/A 27.0 ppb (25) 0.12 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
May 25, 2022, 9 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.4 ppb (1) N/A 30.0 ppb (28) 0.12 ppb (2) N/A 5.0 μg/m3 (21) 28.0
 
May 25, 2022, 5 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.4 ppb (1) N/A 21.0 ppb (20) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 25, 2022, 4 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.3 ppb (1) N/A 25.0 ppb (24) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 25, 2022, 1 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.1 ppb (2) N/A 26.0 ppb (25) 0.17 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
May 25, 2022, midnight N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 27.0 ppb (25) 0.17 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
May 24, 2022, 9 p.m. N/A 0.1 ppb (1) 0.9 ppb (1) N/A 0.8 ppb (1) N/A N/A 0.16 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
May 24, 2022, 8 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.5 ppb (1) N/A N/A 0.15 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 24, 2022, 7 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.5 ppb (1) N/A 18.0 ppb (17) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 24, 2022, 6 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.5 ppb (1) N/A 16.0 ppb (15) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 24, 2022, 5 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A 0.5 ppb (1) N/A 14.0 ppb (13) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 24, 2022, 4 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A 0.4 ppb (1) N/A 12.0 ppb (12) 0.15 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
May 24, 2022, 3 p.m. N/A 0.2 ppb (1) 0.6 ppb (1) N/A 0.4 ppb (1) N/A 11.0 ppb (11) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
May 24, 2022, 2 p.m. N/A 0.2 ppb (1) 0.6 ppb (1) N/A 0.3 ppb (1) N/A 11.0 ppb (11) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 24, 2022, 1 p.m. N/A 0.4 ppb (1) 1.1 ppb (2) N/A 0.7 ppb (1) N/A 13.0 ppb (13) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 24, 2022, noon N/A 0.1 ppb (1) 0.8 ppb (1) N/A 0.6 ppb (1) N/A 11.0 ppb (11) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
May 24, 2022, 10 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.4 ppb (1) N/A 13.0 ppb (13) 0.13 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
May 24, 2022, 9 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.7 ppb (1) N/A 12.0 ppb (12) 0.14 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
May 24, 2022, 8 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.4 ppb (1) N/A 17.0 ppb (16) 0.12 ppb (2) N/A 3.0 μg/m3 (13) 16.0
 
May 24, 2022, 6 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.8 ppb (1) N/A 15.0 ppb (14) 0.13 ppb (2) N/A 2.0 μg/m3 (9) 14.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 1.0 μg/m3 (5) 14.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 1.0 μg/m3 (5) 14.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 2.0 μg/m3 (9) 15.0
 
May 24, 2022, 4 a.m. N/A 0.0 ppb (0) 1.7 ppb (2) N/A 1.7 ppb (2) N/A 16.0 ppb (15) 0.15 ppb (2) N/A 2.0 μg/m3 (9) 15.0
 
May 24, 2022, 3 a.m. N/A 0.0 ppb (0) 1.7 ppb (2) N/A 1.7 ppb (2) N/A 16.0 ppb (15) 0.15 ppb (2) N/A 2.0 μg/m3 (9) 15.0
 
May 24, 2022, 3 a.m. N/A 0.0 ppb (0) 1.7 ppb (2) N/A 1.7 ppb (2) N/A 16.0 ppb (15) 0.15 ppb (2) N/A 2.0 μg/m3 (9) 15.0
 
May 24, 2022, 2 a.m. N/A 0.0 ppb (0) 1.7 ppb (2) N/A 1.8 ppb (2) N/A 18.0 ppb (17) 0.14 ppb (2) N/A 2.0 μg/m3 (9) 17.0
 
May 24, 2022, 2 a.m. N/A 0.0 ppb (0) 1.7 ppb (2) N/A 1.8 ppb (2) N/A 18.0 ppb (17) 0.14 ppb (2) N/A 2.0 μg/m3 (9) 17.0
 
May 24, 2022, 1 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.1 ppb (2) N/A N/A 0.14 ppb (2) N/A N/A 2.0
 
May 24, 2022, 1 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.1 ppb (2) N/A 21.0 ppb (20) 0.14 ppb (2) N/A 3.0 μg/m3 (13) 20.0
 
May 24, 2022, midnight N/A 0.0 ppb (0) 1.2 ppb (2) N/A 1.2 ppb (2) N/A 24.0 ppb (23) 0.13 ppb (2) N/A 3.0 μg/m3 (13) 23.0
 
May 24, 2022, midnight N/A 0.0 ppb (0) 1.2 ppb (2) N/A 1.2 ppb (2) N/A 24.0 ppb (23) 0.13 ppb (2) N/A 3.0 μg/m3 (13) 23.0
 
May 23, 2022, 11 p.m. N/A 0.0 ppb (0) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 21.0 ppb (20) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 20.0
 
May 23, 2022, 11 p.m. N/A 0.0 ppb (0) 2.0 ppb (2) N/A 2.0 ppb (2) N/A 21.0 ppb (20) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 20.0
 
May 23, 2022, 8 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.7 ppb (1) N/A 25.0 ppb (24) 0.12 ppb (2) N/A 3.0 μg/m3 (13) 24.0
 
May 23, 2022, 7 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 25.0 ppb (24) 0.12 ppb (2) N/A 1.0 μg/m3 (5) 24.0
 
May 23, 2022, 6 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.5 ppb (1) N/A 24.0 ppb (23) 0.11 ppb (2) N/A 1.0 μg/m3 (5) 23.0
 
May 23, 2022, 3 p.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A 0.1 ppb (1) N/A 22.0 ppb (21) 0.13 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 23, 2022, 2 p.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A 0.1 ppb (1) N/A 22.0 ppb (21) 0.11 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
May 23, 2022, 11 a.m. 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
 
May 23, 2022, 10 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A 0.2 ppb (1) N/A 27.0 ppb (25) 0.12 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 23, 2022, 10 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A 0.2 ppb (1) N/A 27.0 ppb (25) 0.12 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 23, 2022, 9 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A 0.3 ppb (1) N/A 28.0 ppb (26) 0.11 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 23, 2022, 3 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.4 ppb (1) N/A 35.0 ppb (33) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 33.0
 
May 23, 2022, 2 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A 0.4 ppb (1) N/A 36.0 ppb (34) 0.12 ppb (2) N/A 5.0 μg/m3 (21) 34.0
 
May 23, 2022, 1 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.6 ppb (1) N/A 32.0 ppb (30) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 23, 2022, midnight N/A 0.0 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 40.0 ppb (38) 0.14 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 22, 2022, 11 p.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 43.0 ppb (40) 0.13 ppb (2) N/A 8.0 μg/m3 (34) 40.0
 
May 22, 2022, 9 p.m. N/A 0.1 ppb (1) 1.2 ppb (2) N/A 1.1 ppb (2) N/A 43.0 ppb (40) 0.15 ppb (2) N/A 8.0 μg/m3 (34) 40.0
 
May 22, 2022, 8 p.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A 1.1 ppb (2) N/A 43.0 ppb (40) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 22, 2022, 7 p.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A 1.1 ppb (2) N/A 42.0 ppb (39) 0.14 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 22, 2022, 6 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.7 ppb (1) N/A 38.0 ppb (36) 0.13 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 22, 2022, 5 p.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A 1.2 ppb (2) N/A 33.0 ppb (31) 0.15 ppb (2) N/A 14.0 μg/m3 (55) 55.0
 
May 22, 2022, 4 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A 0.8 ppb (1) N/A 30.0 ppb (28) 0.14 ppb (2) N/A 15.0 μg/m3 (58) 58.0
 
May 22, 2022, 3 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.5 ppb (1) N/A 31.0 ppb (29) 0.13 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
May 22, 2022, 2 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.4 ppb (1) N/A 30.0 ppb (28) 0.12 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 22, 2022, 1 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 26.0 ppb (25) 0.14 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
May 22, 2022, 1 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 26.0 ppb (25) 0.14 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
May 22, 2022, noon N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.6 ppb (1) N/A 28.0 ppb (26) 0.14 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 22, 2022, 11 a.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 N/A 25.0
 
May 22, 2022, 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) 0.13 ppb (2) N/A 13.0 μg/m3 (53) 53.0
 
May 22, 2022, 9 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) N/A 31.0 ppb (29) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 22, 2022, 8 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.5 ppb (1) N/A 31.0 ppb (29) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 22, 2022, 7 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.6 ppb (1) N/A 34.0 ppb (32) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 22, 2022, 5 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A 0.7 ppb (1) N/A 40.0 ppb (38) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 22, 2022, 3 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A 0.5 ppb (1) N/A 35.0 ppb (33) 0.13 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 22, 2022, 2 a.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A 0.5 ppb (1) N/A 34.0 ppb (32) 0.12 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 22, 2022, 1 a.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A 0.5 ppb (1) N/A 35.0 ppb (33) 0.12 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 22, 2022, midnight N/A 0.1 ppb (1) 0.6 ppb (1) N/A 0.5 ppb (1) N/A 38.0 ppb (36) 0.12 ppb (2) N/A 7.0 μg/m3 (30) 36.0
 
May 21, 2022, 11 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A 0.5 ppb (1) N/A 36.0 ppb (34) 0.12 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
May 21, 2022, 10 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.4 ppb (1) N/A 36.0 ppb (34) 0.11 ppb (2) N/A 7.0 μg/m3 (30) 34.0
 
May 21, 2022, 9 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A 0.5 ppb (1) N/A 34.0 ppb (32) 0.16 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
May 21, 2022, 8 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A 0.3 ppb (1) N/A 31.0 ppb (29) 0.15 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
May 21, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
May 21, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 8.0 μg/m3 (34) 34.0
 
May 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
May 21, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 21, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
May 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.13 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.13 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.13 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
May 21, 2022, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.12 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 21, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.13 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
May 21, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) 0.15 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 21, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) 0.13 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
May 21, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 21, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 46.0
 
May 21, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.13 ppb (2) N/A 9.0 μg/m3 (38) 48.0
 
May 21, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) 0.14 ppb (2) N/A 8.0 μg/m3 (34) 50.0
 
May 21, 2022, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (47) 0.14 ppb (2) N/A 7.0 μg/m3 (30) 47.0
 
May 20, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 4.0 μg/m3 (17) 47.0
 
May 20, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 4.0 μg/m3 (17) 45.0
 
May 20, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
May 20, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
May 20, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
May 20, 2022, 5 p.m. N/A 84.9 ppb (84) 2.1 ppb (2) N/A -82.8 ppb (0) N/A 42.0 ppb (39) 1.6 ppb (19) N/A N/A 84.0
 
May 20, 2022, 4 p.m. N/A 84.9 ppb (84) 2.1 ppb (2) N/A -82.8 ppb (0) N/A 42.0 ppb (39) 1.6 ppb (19) N/A N/A 84.0
 
May 20, 2022, 3 p.m. N/A 76.7 ppb (76) 98.3 ppb (99) N/A 21.6 ppb (21) N/A 42.0 ppb (39) 1.55 ppb (19) N/A N/A 99.0
 
May 20, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
May 20, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A N/A 34.0
 
May 20, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
May 20, 2022, 10 a.m. N/A 1.3 ppb (2) -0.2 ppb (0) N/A -1.5 ppb (0) N/A 43.0 ppb (40) 0.14 ppb (2) N/A N/A 40.0
 
May 20, 2022, 9 a.m. N/A 1.5 ppb (2) -0.2 ppb (0) N/A -1.7 ppb (0) N/A 42.0 ppb (39) 0.15 ppb (2) N/A N/A 39.0
 
May 20, 2022, 8 a.m. N/A 1.5 ppb (2) -0.2 ppb (0) N/A -1.7 ppb (0) N/A 41.0 ppb (38) 0.15 ppb (2) N/A N/A 38.0