AQSQID: 300310017

Site Name: West Yellowstone Park Ent #2

Location: Gallatin Co, MT

Reporting: True, Located: True

Current AQI: 1.0

Gallatin Co MT, US: 44.657014, -111.089618

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A N/A 1.0
 
Nov. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A N/A 2.0
 
Nov. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A N/A 2.0
 
Nov. 17, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A -1.0 μg/m3 (0) 2.0
 
Nov. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A -2.0 μg/m3 (0) 2.0
 
Nov. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A -4.0 μg/m3 (0) 2.0
 
Nov. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A N/A 2.0
 
Nov. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A -1.0 μg/m3 (0) 2.0
 
Nov. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (2) N/A -1.0 μg/m3 (0) 2.0
 
Nov. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Nov. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (2) N/A -3.0 μg/m3 (0) 2.0
 
Nov. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Nov. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 16, 2019, 8 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) N/A
Nov. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A -1.0 μg/m3 (0) 2.0
 
Nov. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (2) N/A -2.0 μg/m3 (0) 2.0
 
Nov. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (2) N/A -1.0 μg/m3 (0) 2.0
 
Nov. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Nov. 16, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (2) N/A -1.0 μg/m3 (0) 2.0
 
Nov. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A -3.0 μg/m3 (0) 2.0
 
Nov. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Nov. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.21 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (2) N/A -1.0 μg/m3 (0) 2.0
 
Nov. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.12 ppb (1) N/A -2.0 μg/m3 (0) 1.0
 
Nov. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.12 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Nov. 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.12 ppb (1) N/A -3.0 μg/m3 (0) 1.0
 
Nov. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.12 ppb (1) N/A N/A 1.0
 
Nov. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.12 ppb (1) N/A N/A 1.0
 
Nov. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Nov. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -4.0 μg/m3 (0) N/A
Nov. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A -2.0 μg/m3 (0) 2.0
 
Nov. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A -2.0 μg/m3 (0) 1.0
 
Nov. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Nov. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Nov. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A -4.0 μg/m3 (0) 1.0
 
Nov. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A -2.0 μg/m3 (0) 1.0
 
Nov. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A -1.0 μg/m3 (0) 2.0
 
Nov. 15, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A -2.0 μg/m3 (0) 2.0
 
Nov. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A -3.0 μg/m3 (0) 2.0
 
Nov. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Nov. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Nov. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A -3.0 μg/m3 (0) 2.0
 
Nov. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.12 ppb (1) N/A -3.0 μg/m3 (0) 1.0
 
Nov. 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.12 ppb (1) N/A -4.0 μg/m3 (0) 1.0
 
Nov. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A -2.0 μg/m3 (0) 1.0
 
Nov. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A -1.0 μg/m3 (0) 1.0
 
Nov. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A -1.0 μg/m3 (0) 1.0
 
Nov. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.0 μg/m3 (0) N/A
Nov. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A -3.0 μg/m3 (0) 2.0
 
Nov. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A -1.0 μg/m3 (0) 2.0
 
Nov. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A -3.0 μg/m3 (0) 1.0
 
Nov. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A N/A 1.0
 
Nov. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A -3.0 μg/m3 (0) 2.0
 
Nov. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Nov. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A -2.0 μg/m3 (0) 2.0
 
Nov. 14, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A N/A 2.0
 
Nov. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A N/A 1.0
 
Nov. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A -3.0 μg/m3 (0) 1.0
 
Nov. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A -1.0 μg/m3 (0) 1.0
 
Nov. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Nov. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Nov. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Nov. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (2) N/A -1.0 μg/m3 (0) 2.0
 
Nov. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (2) N/A -3.0 μg/m3 (0) 2.0
 
Nov. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A -2.0 μg/m3 (0) 2.0
 
Nov. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Nov. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Nov. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Nov. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Nov. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Nov. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 13, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
Nov. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A -2.0 μg/m3 (0) 2.0
 
Nov. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 12, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Nov. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.12 ppb (1) N/A -2.0 μg/m3 (0) 1.0
 
Nov. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.12 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Nov. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.11 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Nov. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) N/A
Nov. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A -2.0 μg/m3 (0) 2.0
 
Nov. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A -4.0 μg/m3 (0) 1.0
 
Nov. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) N/A
Nov. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A -2.0 μg/m3 (0) 1.0
 
Nov. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (1) N/A -3.0 μg/m3 (0) 1.0
 
Nov. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A N/A 2.0
 
Nov. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A N/A 2.0
 
Nov. 12, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (2) N/A N/A 2.0
 
Nov. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A N/A 2.0
 
Nov. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (2) N/A -1.0 μg/m3 (0) 2.0
 
Nov. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Nov. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) N/A -2.0 μg/m3 (0) 2.0
 
Nov. 11, 2019, noon 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.13 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Nov. 11, 2019, 11 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.13 ppb (1) N/A 0.0 μg/m3 (0) 1.0
 
Nov. 11, 2019, 10 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.14 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 11, 2019, 9 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) N/A
Nov. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.0 μg/m3 (0) N/A
Nov. 11, 2019, 7 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.15 ppb (2) N/A -4.0 μg/m3 (0) 2.0
 
Nov. 11, 2019, 6 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.17 ppb (2) N/A -4.0 μg/m3 (0) 2.0
 
Nov. 11, 2019, 5 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.17 ppb (2) N/A N/A 2.0
 
Nov. 11, 2019, 4 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.18 ppb (2) N/A N/A 2.0
 
Nov. 11, 2019, 3 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.16 ppb (2) N/A N/A 2.0
 
Nov. 11, 2019, 2 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.15 ppb (2) N/A -3.0 μg/m3 (0) 2.0
 
Nov. 11, 2019, 1 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.16 ppb (2) N/A -3.0 μg/m3 (0) 2.0
 
Nov. 11, 2019, midnight 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.15 ppb (2) N/A -2.0 μg/m3 (0) 2.0
 
Nov. 10, 2019, 11 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.16 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Nov. 10, 2019, 10 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.16 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 10, 2019, 9 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.15 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 10, 2019, 8 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.15 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 10, 2019, 7 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.18 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 10, 2019, 6 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.17 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 10, 2019, 5 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.17 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 10, 2019, 4 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.16 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 10, 2019, 3 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.15 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 10, 2019, 2 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.15 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Nov. 10, 2019, 1 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.15 ppb (2) N/A -1.0 μg/m3 (0) 2.0
 
Nov. 10, 2019, noon 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.15 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 10, 2019, 11 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.14 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 10, 2019, 10 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.14 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 10, 2019, 9 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.14 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Nov. 10, 2019, 7 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.16 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 10, 2019, 6 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.16 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 10, 2019, 5 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.16 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 10, 2019, 4 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.16 ppb (2) N/A 1.0 μg/m3 (4) 4.0