AQSQID: 560210100

Site Name: Cheyenne

Location: Cheyenne, WY

Reporting: True, Located: True

Current AQI: 22.0

Cheyenne WY, US: 41.18222, -104.778336

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 18, 2019, 9 a.m. 0.2 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.11 ppb (1) 4.0 μg/m3 (4) 2.0 μg/m3 (8) 22.0
 
Nov. 18, 2019, 8 a.m. 0.2 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.11 ppb (1) 3.0 μg/m3 (3) -1.0 μg/m3 (0) 22.0
 
Nov. 18, 2019, 7 a.m. -0.1 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.12 ppb (1) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 24.0
 
Nov. 18, 2019, 6 a.m. 0.7 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.12 ppb (1) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 25.0
 
Nov. 18, 2019, 5 a.m. 1.0 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.12 ppb (1) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 25.0
 
Nov. 18, 2019, 4 a.m. 1.3 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.13 ppb (1) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 26.0
 
Nov. 18, 2019, 3 a.m. 1.4 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.13 ppb (1) N/A 5.0 μg/m3 (21) 22.0
 
Nov. 18, 2019, 2 a.m. 0.7 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.12 ppb (1) N/A 1.0 μg/m3 (4) 23.0
 
Nov. 18, 2019, 1 a.m. 0.3 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.13 ppb (1) 1.0 μg/m3 (1) 2.0 μg/m3 (8) 25.0
 
Nov. 18, 2019, midnight 0.1 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.13 ppb (1) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 26.0
 
Nov. 17, 2019, 11 p.m. 0.2 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.13 ppb (1) 33.0 μg/m3 (30) -1.0 μg/m3 (0) 30.0
 
Nov. 17, 2019, 10 p.m. 0.1 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.12 ppb (1) 18.0 μg/m3 (16) -2.0 μg/m3 (0) 29.0
 
Nov. 17, 2019, 9 p.m. 0.1 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 39.0 ppb (30) 0.12 ppb (1) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 30.0
 
Nov. 17, 2019, 8 p.m. 0.2 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 39.0 ppb (30) 0.13 ppb (1) 18.0 μg/m3 (16) 4.0 μg/m3 (17) 30.0
 
Nov. 17, 2019, 7 p.m. 0.3 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.12 ppb (1) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 28.0
 
Nov. 17, 2019, 6 p.m. 0.9 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) 0.12 ppb (1) 6.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Nov. 17, 2019, 5 p.m. 2.5 ppb (2) N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.11 ppb (1) 6.0 μg/m3 (5) -2.0 μg/m3 (0) 25.0
 
Nov. 17, 2019, 4 p.m. 6.6 ppb (6) N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.12 ppb (1) 3.0 μg/m3 (3) N/A 18.0
 
Nov. 17, 2019, 3 p.m. 6.5 ppb (6) N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.11 ppb (1) 0.0 μg/m3 (0) N/A 19.0
 
Nov. 17, 2019, 2 p.m. 4.6 ppb (4) N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.11 ppb (1) 0.0 μg/m3 (0) -1.0 μg/m3 (0) 22.0
 
Nov. 17, 2019, 1 p.m. 5.8 ppb (5) N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.11 ppb (1) 0.0 μg/m3 (0) 0.0 μg/m3 (0) 22.0
 
Nov. 17, 2019, noon 1.2 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.11 ppb (1) -1.0 μg/m3 (0) -1.0 μg/m3 (0) 25.0
 
Nov. 17, 2019, 11 a.m. 1.0 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.11 ppb (1) 1.0 μg/m3 (1) 0.0 μg/m3 (0) 25.0
 
Nov. 17, 2019, 10 a.m. 0.5 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.11 ppb (1) 3.0 μg/m3 (3) 3.0 μg/m3 (12) 25.0
 
Nov. 17, 2019, 9 a.m. 0.3 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.12 ppb (1) 3.0 μg/m3 (3) 2.0 μg/m3 (8) 25.0
 
Nov. 17, 2019, 8 a.m. 0.4 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.12 ppb (1) 2.0 μg/m3 (2) -2.0 μg/m3 (0) 25.0
 
Nov. 17, 2019, 7 a.m. 0.9 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.13 ppb (1) 1.0 μg/m3 (1) 0.0 μg/m3 (0) 25.0
 
Nov. 17, 2019, 6 a.m. 0.1 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.13 ppb (1) 3.0 μg/m3 (3) 3.0 μg/m3 (12) 25.0
 
Nov. 17, 2019, 5 a.m. 0.1 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.13 ppb (1) 0.0 μg/m3 (0) 3.0 μg/m3 (12) 26.0
 
Nov. 17, 2019, 4 a.m. 0.2 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.13 ppb (1) 0.0 μg/m3 (0) -1.0 μg/m3 (0) 25.0
 
Nov. 17, 2019, 3 a.m. 0.2 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.13 ppb (1) 2.0 μg/m3 (2) -3.0 μg/m3 (0) 25.0
 
Nov. 17, 2019, 2 a.m. 0.2 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.13 ppb (1) 2.0 μg/m3 (2) N/A 25.0
 
Nov. 17, 2019, 1 a.m. 0.1 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.13 ppb (1) 1.0 μg/m3 (1) -3.0 μg/m3 (0) 25.0
 
Nov. 17, 2019, midnight 0.8 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.12 ppb (1) 2.0 μg/m3 (2) 4.0 μg/m3 (17) 25.0
 
Nov. 16, 2019, 11 p.m. 0.1 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.11 ppb (1) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 29.0
 
Nov. 16, 2019, 10 p.m. 0.1 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) 13.0 μg/m3 (12) 1.0 μg/m3 (4) 29.0
 
Nov. 16, 2019, 9 p.m. 0.3 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) 0.1 ppb (1) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 28.0
 
Nov. 16, 2019, 8 p.m. 0.9 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.1 ppb (1) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 27.0
 
Nov. 16, 2019, 7 p.m. 2.1 ppb (2) N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.1 ppb (1) 11.0 μg/m3 (10) 4.0 μg/m3 (17) 25.0
 
Nov. 16, 2019, 6 p.m. 1.7 ppb (2) N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.11 ppb (1) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 26.0
 
Nov. 16, 2019, 5 p.m. 1.4 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.1 ppb (1) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 26.0
 
Nov. 16, 2019, 4 p.m. -0.2 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.09 ppb (1) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 27.0
 
Nov. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 8.0
 
Nov. 16, 2019, 2 p.m. 0.4 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) 0.1 ppb (1) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 28.0
 
Nov. 16, 2019, 1 p.m. 0.5 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.09 ppb (1) 10.0 μg/m3 (9) 3.0 μg/m3 (12) 28.0
 
Nov. 16, 2019, noon -1.3 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) 0.09 ppb (1) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 28.0
 
Nov. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Nov. 16, 2019, 10 a.m. 0.5 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.1 ppb (1) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 26.0
 
Nov. 16, 2019, 9 a.m. 1.8 ppb (2) N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.14 ppb (2) 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
Nov. 16, 2019, 8 a.m. 4.7 ppb (4) N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.15 ppb (2) 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Nov. 16, 2019, 7 a.m. 5.0 ppb (5) N/A N/A N/A N/A 1.0 ppb (1) 27.0 ppb (21) 0.15 ppb (2) 17.0 μg/m3 (15) 3.0 μg/m3 (12) 21.0
 
Nov. 16, 2019, 6 a.m. 7.1 ppb (7) N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.17 ppb (2) 18.0 μg/m3 (16) 0.0 μg/m3 (0) 18.0
 
Nov. 16, 2019, 5 a.m. 6.4 ppb (6) N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.15 ppb (2) 14.0 μg/m3 (13) 0.0 μg/m3 (0) 18.0
 
Nov. 16, 2019, 4 a.m. 2.6 ppb (2) N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.12 ppb (1) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 22.0
 
Nov. 16, 2019, 3 a.m. 3.1 ppb (3) N/A N/A N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.13 ppb (1) 12.0 μg/m3 (11) 0.0 μg/m3 (0) 23.0
 
Nov. 16, 2019, 2 a.m. 2.5 ppb (2) N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.13 ppb (1) -2.0 μg/m3 (0) 0.0 μg/m3 (0) 25.0
 
Nov. 16, 2019, 1 a.m. 1.2 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) 0.13 ppb (1) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 28.0
 
Nov. 16, 2019, midnight 0.3 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.12 ppb (1) 3.0 μg/m3 (3) 1.0 μg/m3 (4) 29.0
 
Nov. 15, 2019, 11 p.m. 0.4 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.12 ppb (1) 7.0 μg/m3 (6) 0.0 μg/m3 (0) 28.0
 
Nov. 15, 2019, 10 p.m. 0.2 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.11 ppb (1) 10.0 μg/m3 (9) 0.0 μg/m3 (0) 28.0
 
Nov. 15, 2019, 9 p.m. 0.5 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.11 ppb (1) 10.0 μg/m3 (9) 2.0 μg/m3 (8) 28.0
 
Nov. 15, 2019, 8 p.m. 0.6 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) 0.11 ppb (1) 27.0 μg/m3 (25) 2.0 μg/m3 (8) 28.0
 
Nov. 15, 2019, 7 p.m. 0.7 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) 0.11 ppb (1) 10.0 μg/m3 (9) 1.0 μg/m3 (4) 28.0
 
Nov. 15, 2019, 6 p.m. 1.3 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) 0.1 ppb (1) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 28.0
 
Nov. 15, 2019, 5 p.m. 4.2 ppb (4) N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.12 ppb (1) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 26.0
 
Nov. 15, 2019, 4 p.m. 7.8 ppb (7) N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.12 ppb (1) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 25.0
 
Nov. 15, 2019, 3 p.m. 13.0 ppb (12) N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.14 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 19.0
 
Nov. 15, 2019, 2 p.m. 9.7 ppb (9) N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.12 ppb (1) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 18.0
 
Nov. 15, 2019, 1 p.m. 10.5 ppb (10) N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) 0.12 ppb (1) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 15.0
 
Nov. 15, 2019, noon 14.1 ppb (13) N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) 0.13 ppb (1) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Nov. 15, 2019, 11 a.m. 17.4 ppb (16) N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.14 ppb (2) 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Nov. 15, 2019, 10 a.m. 14.1 ppb (13) N/A N/A N/A N/A 1.0 ppb (1) 20.0 ppb (15) 0.14 ppb (2) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Nov. 15, 2019, 9 a.m. 20.4 ppb (19) N/A N/A N/A N/A 1.0 ppb (1) 16.0 ppb (12) 0.17 ppb (2) 20.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Nov. 15, 2019, 8 a.m. 17.9 ppb (17) N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.18 ppb (2) 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Nov. 15, 2019, 7 a.m. 12.7 ppb (12) N/A N/A N/A N/A 1.0 ppb (1) 21.0 ppb (16) 0.16 ppb (2) 19.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Nov. 15, 2019, 6 a.m. 12.8 ppb (12) N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.16 ppb (2) 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Nov. 15, 2019, 5 a.m. 13.8 ppb (13) N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.17 ppb (2) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Nov. 15, 2019, 4 a.m. 18.2 ppb (17) N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.22 ppb (2) 18.0 μg/m3 (16) 2.0 μg/m3 (8) 17.0
 
Nov. 15, 2019, 3 a.m. 10.3 ppb (10) N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) 0.2 ppb (2) 18.0 μg/m3 (16) -1.0 μg/m3 (0) 20.0
 
Nov. 15, 2019, 2 a.m. 6.3 ppb (6) N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.15 ppb (2) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 25.0
 
Nov. 15, 2019, 1 a.m. 4.4 ppb (4) N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.14 ppb (2) 12.0 μg/m3 (11) 0.0 μg/m3 (0) 26.0
 
Nov. 15, 2019, midnight 3.0 ppb (3) N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.13 ppb (1) 4.0 μg/m3 (4) -2.0 μg/m3 (0) 26.0
 
Nov. 14, 2019, 11 p.m. 4.4 ppb (4) N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.14 ppb (2) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Nov. 14, 2019, 10 p.m. 6.9 ppb (6) N/A N/A N/A N/A 2.0 ppb (3) 27.0 ppb (21) 0.16 ppb (2) 7.0 μg/m3 (6) 10.0 μg/m3 (42) 42.0
 
Nov. 14, 2019, 9 p.m. 10.1 ppb (9) N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.17 ppb (2) 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Nov. 14, 2019, 8 p.m. 11.8 ppb (11) N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.16 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 18.0
 
Nov. 14, 2019, 7 p.m. 10.1 ppb (9) N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.14 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 18.0
 
Nov. 14, 2019, 6 p.m. 15.9 ppb (15) N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.16 ppb (2) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Nov. 14, 2019, 5 p.m. 9.9 ppb (9) N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.14 ppb (2) 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
Nov. 14, 2019, 4 p.m. 4.5 ppb (4) N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) 0.13 ppb (1) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 20.0
 
Nov. 14, 2019, 3 p.m. 7.9 ppb (7) N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.12 ppb (1) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Nov. 14, 2019, 2 p.m. 7.4 ppb (7) N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) 0.11 ppb (1) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 20.0
 
Nov. 14, 2019, 1 p.m. 10.2 ppb (9) N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.13 ppb (1) 2.0 μg/m3 (2) -1.0 μg/m3 (0) 16.0
 
Nov. 14, 2019, noon 3.4 ppb (3) N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.12 ppb (1) 1.0 μg/m3 (1) -3.0 μg/m3 (0) 22.0
 
Nov. 14, 2019, 11 a.m. 2.3 ppb (2) N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.11 ppb (1) 2.0 μg/m3 (2) -2.0 μg/m3 (0) 19.0
 
Nov. 14, 2019, 10 a.m. 1.5 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) 0.11 ppb (1) 1.0 μg/m3 (1) -1.0 μg/m3 (0) 20.0
 
Nov. 14, 2019, 9 a.m. 1.0 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.13 ppb (1) 0.0 μg/m3 (0) -2.0 μg/m3 (0) 20.0
 
Nov. 14, 2019, 8 a.m. 1.2 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) 0.14 ppb (2) 4.0 μg/m3 (4) -2.0 μg/m3 (0) 20.0
 
Nov. 14, 2019, 7 a.m. 4.8 ppb (4) N/A N/A N/A N/A 1.0 ppb (1) 21.0 ppb (16) 0.18 ppb (2) 7.0 μg/m3 (6) -3.0 μg/m3 (0) 16.0
 
Nov. 14, 2019, 6 a.m. 4.3 ppb (4) N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.15 ppb (2) 5.0 μg/m3 (5) -3.0 μg/m3 (0) 19.0
 
Nov. 14, 2019, 5 a.m. 1.9 ppb (2) N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.14 ppb (2) 3.0 μg/m3 (3) -3.0 μg/m3 (0) 21.0
 
Nov. 14, 2019, 4 a.m. 0.4 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.13 ppb (1) 3.0 μg/m3 (3) N/A 24.0
 
Nov. 14, 2019, 3 a.m. 1.0 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.13 ppb (1) 3.0 μg/m3 (3) -4.0 μg/m3 (0) 22.0
 
Nov. 14, 2019, 2 a.m. 0.4 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.12 ppb (1) 4.0 μg/m3 (4) 2.0 μg/m3 (8) 24.0
 
Nov. 14, 2019, 1 a.m. 0.1 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.12 ppb (1) 0.0 μg/m3 (0) 2.0 μg/m3 (8) 25.0
 
Nov. 14, 2019, midnight 0.3 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.12 ppb (1) 1.0 μg/m3 (1) -1.0 μg/m3 (0) 26.0
 
Nov. 13, 2019, 11 p.m. 0.3 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.12 ppb (1) 7.0 μg/m3 (6) -1.0 μg/m3 (0) 26.0
 
Nov. 13, 2019, 10 p.m. 0.2 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.12 ppb (1) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 26.0
 
Nov. 13, 2019, 9 p.m. 0.4 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.11 ppb (1) 4.0 μg/m3 (4) 5.0 μg/m3 (21) 27.0
 
Nov. 13, 2019, 8 p.m. 0.1 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.11 ppb (1) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 28.0
 
Nov. 13, 2019, 7 p.m. 0.9 ppb (1) N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.11 ppb (1) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 26.0
 
Nov. 13, 2019, 6 p.m. 0.5 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.1 ppb (1) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 26.0
 
Nov. 13, 2019, 5 p.m. 0.5 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.1 ppb (1) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 27.0
 
Nov. 13, 2019, 4 p.m. -0.9 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) 0.09 ppb (1) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 28.0
 
Nov. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -3.0 μg/m3 (0) 1.0 μg/m3 (4) 4.0
 
Nov. 13, 2019, 2 p.m. 0.0 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.09 ppb (1) -1.0 μg/m3 (0) 0.0 μg/m3 (0) 29.0
 
Nov. 13, 2019, 1 p.m. 0.2 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 39.0 ppb (30) 0.08 ppb (1) 4.0 μg/m3 (4) -1.0 μg/m3 (0) 30.0
 
Nov. 13, 2019, noon -1.2 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.08 ppb (1) 2.0 μg/m3 (2) 0.0 μg/m3 (0) 32.0
 
Nov. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
Nov. 13, 2019, 10 a.m. 0.2 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.08 ppb (1) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 32.0
 
Nov. 13, 2019, 9 a.m. 0.1 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.09 ppb (1) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 32.0
 
Nov. 13, 2019, 8 a.m. 0.0 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 42.0 ppb (32) 0.08 ppb (1) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 32.0
 
Nov. 13, 2019, 7 a.m. -0.1 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 42.0 ppb (32) 0.08 ppb (1) 11.0 μg/m3 (10) 1.0 μg/m3 (4) 32.0
 
Nov. 13, 2019, 6 a.m. 0.0 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 42.0 ppb (32) 0.08 ppb (1) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 32.0
 
Nov. 13, 2019, 5 a.m. 0.1 ppb (0) N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.08 ppb (1) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 32.0
 
Nov. 13, 2019, 4 a.m. 0.6 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.09 ppb (1) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 32.0
 
Nov. 13, 2019, 3 a.m. 2.0 ppb (2) N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) 14.0 μg/m3 (13) -2.0 μg/m3 (0) 29.0
 
Nov. 13, 2019, 2 a.m. 0.8 ppb (1) N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.09 ppb (1) 10.0 μg/m3 (9) -3.0 μg/m3 (0) 31.0
 
Nov. 13, 2019, 1 a.m. 0.4 ppb (0) -0.2 ppb (0) 0.3 ppb (0) 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) 0.09 ppb (1) N/A -2.0 μg/m3 (0) 32.0
 
Nov. 13, 2019, midnight 0.2 ppb (0) 0.1 ppb (0) 0.3 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) 42.0 ppb (32) 0.09 ppb (1) 1.0 μg/m3 (1) 1.0 μg/m3 (4) 32.0
 
Nov. 12, 2019, 11 p.m. 0.0 ppb (0) 0.2 ppb (0) 0.2 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) 43.0 ppb (33) 0.09 ppb (1) 27.0 μg/m3 (25) 3.0 μg/m3 (12) 33.0
 
Nov. 12, 2019, 10 p.m. -0.1 ppb (0) 0.2 ppb (0) 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 44.0 ppb (34) 0.09 ppb (1) 16.0 μg/m3 (15) -2.0 μg/m3 (0) 34.0
 
Nov. 12, 2019, 9 p.m. 0.1 ppb (0) 0.3 ppb (0) 0.4 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) 43.0 ppb (33) 0.09 ppb (1) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 33.0
 
Nov. 12, 2019, 8 p.m. 0.8 ppb (1) 0.5 ppb (0) 1.2 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) 43.0 ppb (33) 0.08 ppb (1) 8.0 μg/m3 (7) 0.0 μg/m3 (0) 33.0
 
Nov. 12, 2019, 7 p.m. 1.2 ppb (1) 0.6 ppb (1) 1.6 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) 0.08 ppb (1) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 32.0
 
Nov. 12, 2019, 6 p.m. 10.5 ppb (10) 3.2 ppb (3) 12.1 ppb (11) 9.0 ppb (8) N/A 0.0 ppb (0) 36.0 ppb (28) 0.14 ppb (2) 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
Nov. 12, 2019, 5 p.m. 25.7 ppb (24) 4.4 ppb (4) 26.6 ppb (25) 22.0 ppb (20) N/A 0.0 ppb (0) 25.0 ppb (19) 0.26 ppb (3) 20.0 μg/m3 (18) 4.0 μg/m3 (17) 25.0
 
Nov. 12, 2019, 4 p.m. 28.8 ppb (27) 1.1 ppb (1) 30.4 ppb (28) 29.0 ppb (27) N/A 0.0 ppb (0) 18.0 ppb (14) 0.24 ppb (3) 12.0 μg/m3 (11) 1.0 μg/m3 (4) 28.0
 
Nov. 12, 2019, 3 p.m. 26.8 ppb (25) 0.5 ppb (0) 29.2 ppb (27) 29.0 ppb (27) N/A 0.0 ppb (0) 17.0 ppb (13) 0.14 ppb (2) 7.0 μg/m3 (6) 4.0 μg/m3 (17) 27.0
 
Nov. 12, 2019, 2 p.m. 13.8 ppb (13) 0.2 ppb (0) 16.1 ppb (15) 16.0 ppb (15) N/A 0.0 ppb (0) 26.0 ppb (20) 0.12 ppb (1) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 20.0
 
Nov. 12, 2019, 1 p.m. 16.3 ppb (15) 0.2 ppb (0) 18.7 ppb (17) 18.0 ppb (17) N/A 0.0 ppb (0) 22.0 ppb (17) 0.11 ppb (1) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Nov. 12, 2019, noon 17.2 ppb (16) 0.3 ppb (0) 19.7 ppb (18) 19.0 ppb (18) N/A 0.0 ppb (0) 20.0 ppb (15) 0.13 ppb (1) 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Nov. 12, 2019, 11 a.m. 18.7 ppb (17) 0.4 ppb (0) 21.6 ppb (20) 21.0 ppb (19) N/A 0.0 ppb (0) 16.0 ppb (12) 0.15 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 20.0
 
Nov. 12, 2019, 10 a.m. 12.2 ppb (11) 0.2 ppb (0) 14.6 ppb (14) 14.0 ppb (13) N/A 0.0 ppb (0) 21.0 ppb (16) 0.12 ppb (1) 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Nov. 12, 2019, 9 a.m. N/A 1.9 ppb (2) 22.8 ppb (21) 21.0 ppb (19) N/A N/A N/A N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Nov. 12, 2019, 8 a.m. 13.3 ppb (12) 0.9 ppb (1) 16.9 ppb (16) 16.0 ppb (15) N/A 0.0 ppb (0) 21.0 ppb (16) 0.15 ppb (2) 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Nov. 12, 2019, 7 a.m. 20.2 ppb (19) 1.1 ppb (1) 23.8 ppb (22) 23.0 ppb (21) N/A 0.0 ppb (0) 13.0 ppb (10) 0.15 ppb (2) 7.0 μg/m3 (6) 8.0 μg/m3 (33) 33.0
 
Nov. 12, 2019, 6 a.m. 24.9 ppb (23) 2.9 ppb (3) 29.4 ppb (27) 26.0 ppb (24) N/A 0.0 ppb (0) 11.0 ppb (8) 0.19 ppb (2) 14.0 μg/m3 (13) 14.0 μg/m3 (54) 54.0
 
Nov. 12, 2019, 5 a.m. 24.6 ppb (23) 2.0 ppb (2) 29.3 ppb (27) 27.0 ppb (25) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) 11.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
Nov. 12, 2019, 4 a.m. 28.1 ppb (26) 1.9 ppb (2) 32.8 ppb (30) 31.0 ppb (29) N/A 0.0 ppb (0) 8.0 ppb (6) 0.24 ppb (3) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 30.0
 
Nov. 12, 2019, 3 a.m. 20.5 ppb (19) 0.7 ppb (1) 23.9 ppb (22) 23.0 ppb (21) N/A 0.0 ppb (0) 13.0 ppb (10) 0.27 ppb (3) 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
Nov. 12, 2019, 2 a.m. 2.5 ppb (2) 0.1 ppb (0) 3.3 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 22.0
 
Nov. 12, 2019, 1 a.m. 0.8 ppb (1) 0.2 ppb (0) 1.3 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.13 ppb (1) 5.0 μg/m3 (5) -4.0 μg/m3 (0) 24.0
 
Nov. 12, 2019, midnight 0.2 ppb (0) 0.2 ppb (0) 0.5 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 24.0
 
Nov. 11, 2019, 11 p.m. 0.2 ppb (0) 0.2 ppb (0) 0.4 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (25) 0.12 ppb (1) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 25.0
 
Nov. 11, 2019, 10 p.m. 1.3 ppb (1) 0.9 ppb (1) 2.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 22.0
 
Nov. 11, 2019, 9 p.m. 10.8 ppb (10) 6.3 ppb (6) 12.8 ppb (12) 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.16 ppb (2) 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Nov. 11, 2019, 8 p.m. 3.5 ppb (3) 1.8 ppb (2) 4.2 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.14 ppb (2) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 23.0
 
Nov. 11, 2019, 7 p.m. 0.7 ppb (1) 0.5 ppb (0) 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.11 ppb (1) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 24.0
 
Nov. 11, 2019, 6 p.m. 3.4 ppb (3) 1.5 ppb (1) 4.0 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.11 ppb (1) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Nov. 11, 2019, 5 p.m. 3.4 ppb (3) 0.8 ppb (1) 3.7 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.14 ppb (2) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 23.0
 
Nov. 11, 2019, 4 p.m. 1.7 ppb (2) 0.0 ppb (0) 1.8 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) 3.0 μg/m3 (3) 2.0 μg/m3 (8) 24.0
 
Nov. 11, 2019, 3 p.m. 0.6 ppb (1) 0.0 ppb (0) 0.9 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.11 ppb (1) 3.0 μg/m3 (3) 3.0 μg/m3 (12) 25.0
 
Nov. 11, 2019, 2 p.m. 0.5 ppb (0) 0.0 ppb (0) 0.7 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.12 ppb (1) 2.0 μg/m3 (2) 4.0 μg/m3 (17) 25.0
 
Nov. 11, 2019, 1 p.m. 0.3 ppb (0) -0.1 ppb (0) 0.5 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.11 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 11, 2019, noon 0.7 ppb (1) 0.0 ppb (0) 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) 4.0 μg/m3 (4) 9.0 μg/m3 (38) 38.0
 
Nov. 11, 2019, 11 a.m. 0.5 ppb (0) 0.0 ppb (0) 0.9 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 23.0
 
Nov. 11, 2019, 10 a.m. 1.3 ppb (1) 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) 0.12 ppb (1) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 17.0