AQSQID: 530330080

Site Name: Seattle-Beacon Hill

Location: Seattle, WA

Reporting: True, Located: True

Current AQI: 15.0

Seattle WA, US: 47.568236, -122.308628

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 19, 2019, 8 a.m. N/A 0.5 ppb (0) 12.3 ppb (11) 13.0 ppb (12) N/A 0.0 ppb (0) 14.0 ppb (11) 0.21 ppb (2) N/A 3.7 μg/m3 (15) 15.0
 
Nov. 19, 2019, 7 a.m. N/A 1.2 ppb (1) 15.8 ppb (15) 16.0 ppb (15) N/A 0.0 ppb (0) 7.0 ppb (5) 0.26 ppb (3) N/A 7.5 μg/m3 (31) 31.0
 
Nov. 19, 2019, 6 a.m. N/A 0.5 ppb (0) 13.7 ppb (13) 14.0 ppb (13) N/A 0.0 ppb (0) 7.0 ppb (5) 0.25 ppb (3) N/A 5.8 μg/m3 (24) 24.0
 
Nov. 19, 2019, 5 a.m. N/A 5.7 ppb (5) 22.4 ppb (21) 18.0 ppb (17) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
Nov. 19, 2019, 4 a.m. N/A 4.0 ppb (4) 21.3 ppb (20) 18.0 ppb (17) N/A 0.0 ppb (0) 3.0 ppb (2) 0.31 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
Nov. 19, 2019, 3 a.m. N/A 4.7 ppb (4) 22.6 ppb (21) 19.0 ppb (18) N/A 0.0 ppb (0) 5.0 ppb (4) 0.28 ppb (3) N/A 6.1 μg/m3 (25) 25.0
 
Nov. 19, 2019, 2 a.m. N/A 7.8 ppb (7) 26.0 ppb (24) 19.0 ppb (18) N/A 0.0 ppb (0) 3.0 ppb (2) 0.32 ppb (4) N/A 6.1 μg/m3 (25) 25.0
 
Nov. 19, 2019, 1 a.m. N/A 3.2 ppb (3) 22.3 ppb (21) 21.0 ppb (19) N/A 0.0 ppb (0) 5.0 ppb (4) 0.29 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
Nov. 19, 2019, midnight N/A 1.1 ppb (1) 11.4 ppb (11) 11.0 ppb (10) N/A 0.0 ppb (0) 13.0 ppb (10) 0.25 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
Nov. 18, 2019, 11 p.m. N/A 0.6 ppb (1) 8.3 ppb (8) 8.0 ppb (7) N/A 0.0 ppb (0) 16.0 ppb (12) 0.18 ppb (2) N/A 1.8 μg/m3 (8) 12.0
 
Nov. 18, 2019, 10 p.m. N/A 1.4 ppb (1) 9.3 ppb (9) 8.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (10) 0.19 ppb (2) N/A 1.4 μg/m3 (6) 10.0
 
Nov. 18, 2019, 9 p.m. N/A 7.6 ppb (7) 21.6 ppb (20) 14.0 ppb (13) N/A 0.0 ppb (0) 4.0 ppb (3) 0.3 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
Nov. 18, 2019, 8 p.m. N/A 19.7 ppb (18) 38.5 ppb (36) 19.0 ppb (18) N/A 1.0 ppb (1) 1.0 ppb (1) 0.36 ppb (4) N/A 8.1 μg/m3 (34) 36.0
 
Nov. 18, 2019, 7 p.m. N/A 32.4 ppb (30) 51.7 ppb (48) 20.0 ppb (19) N/A 1.0 ppb (1) 2.0 ppb (2) 0.35 ppb (4) N/A -3.0 μg/m3 (0) 48.0
 
Nov. 18, 2019, 6 p.m. N/A 47.6 ppb (44) 70.2 ppb (67) 23.0 ppb (21) N/A 1.0 ppb (1) 1.0 ppb (1) 0.37 ppb (4) N/A 5.3 μg/m3 (22) 67.0
 
Nov. 18, 2019, 5 p.m. N/A 5.5 ppb (5) 17.9 ppb (17) 13.0 ppb (12) N/A 0.0 ppb (0) 5.0 ppb (4) 0.25 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
Nov. 18, 2019, 4 p.m. N/A 2.3 ppb (2) 12.8 ppb (12) 11.0 ppb (10) N/A 0.0 ppb (0) 6.0 ppb (5) 0.22 ppb (2) N/A -2.2 μg/m3 (0) 12.0
 
Nov. 18, 2019, 3 p.m. N/A 0.8 ppb (1) 10.6 ppb (10) 10.0 ppb (9) N/A 0.0 ppb (0) 7.0 ppb (5) 0.2 ppb (2) N/A 0.9 μg/m3 (4) 10.0
 
Nov. 18, 2019, 2 p.m. N/A 0.2 ppb (0) 6.8 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.18 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
Nov. 18, 2019, 1 p.m. N/A 0.2 ppb (0) 4.5 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) 0.16 ppb (2) N/A 5.2 μg/m3 (22) 22.0
 
Nov. 18, 2019, noon N/A 0.1 ppb (0) 2.9 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.14 ppb (2) N/A 1.9 μg/m3 (8) 17.0
 
Nov. 18, 2019, 11 a.m. N/A 0.0 ppb (0) 1.6 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.13 ppb (1) N/A 3.2 μg/m3 (13) 19.0
 
Nov. 18, 2019, 10 a.m. N/A 0.1 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.13 ppb (1) N/A 0.2 μg/m3 (1) 2.0
 
Nov. 18, 2019, 9 a.m. N/A 0.1 ppb (0) 2.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) 0.14 ppb (2) N/A 4.2 μg/m3 (18) 18.0
 
Nov. 18, 2019, 8 a.m. N/A 0.1 ppb (0) 2.6 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) N/A 2.7 μg/m3 (11) 19.0
 
Nov. 18, 2019, 7 a.m. N/A 0.1 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.15 ppb (2) N/A 2.2 μg/m3 (9) 18.0
 
Nov. 18, 2019, 6 a.m. N/A 0.3 ppb (0) 5.8 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) 0.18 ppb (2) N/A 3.4 μg/m3 (14) 17.0
 
Nov. 18, 2019, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) N/A 5.1 μg/m3 (21) 21.0
 
Nov. 18, 2019, 4 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (14) 0.23 ppb (3) N/A 3.2 μg/m3 (13) 14.0
 
Nov. 18, 2019, 3 a.m. N/A 0.1 ppb (0) 7.3 ppb (7) 8.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (15) 0.17 ppb (2) N/A 2.4 μg/m3 (10) 15.0
 
Nov. 18, 2019, 2 a.m. N/A 0.4 ppb (0) 10.5 ppb (10) 11.0 ppb (10) N/A 0.0 ppb (0) 14.0 ppb (11) 0.22 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 18, 2019, 1 a.m. N/A 1.7 ppb (2) 17.2 ppb (16) 17.0 ppb (16) N/A 0.0 ppb (0) 7.0 ppb (5) 0.21 ppb (2) N/A 2.8 μg/m3 (12) 16.0
 
Nov. 18, 2019, midnight N/A 0.2 ppb (0) 5.8 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) N/A 2.2 μg/m3 (9) 12.0
 
Nov. 17, 2019, 11 p.m. N/A 0.4 ppb (0) 4.9 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (13) 0.17 ppb (2) N/A 2.4 μg/m3 (10) 13.0
 
Nov. 17, 2019, 10 p.m. N/A 0.5 ppb (0) 4.5 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (15) 0.19 ppb (2) N/A 2.5 μg/m3 (10) 15.0
 
Nov. 17, 2019, 9 p.m. N/A 0.4 ppb (0) 4.4 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) 0.17 ppb (2) N/A 3.9 μg/m3 (16) 16.0
 
Nov. 17, 2019, 8 p.m. N/A 0.4 ppb (0) 4.3 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.16 ppb (2) N/A 2.0 μg/m3 (8) 17.0
 
Nov. 17, 2019, 7 p.m. N/A 1.1 ppb (1) 8.3 ppb (8) 8.0 ppb (7) N/A 0.0 ppb (0) 19.0 ppb (15) 0.19 ppb (2) N/A 3.9 μg/m3 (16) 16.0
 
Nov. 17, 2019, 6 p.m. N/A 1.5 ppb (1) 7.1 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.17 ppb (2) N/A 3.4 μg/m3 (14) 15.0
 
Nov. 17, 2019, 5 p.m. N/A 2.6 ppb (2) 13.1 ppb (12) 11.0 ppb (10) N/A 0.0 ppb (0) 12.0 ppb (9) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 17, 2019, 4 p.m. N/A 1.6 ppb (1) 13.0 ppb (12) 12.0 ppb (11) N/A 0.0 ppb (0) 9.0 ppb (7) 0.24 ppb (3) N/A 2.7 μg/m3 (11) 12.0
 
Nov. 17, 2019, 3 p.m. N/A 1.4 ppb (1) 13.5 ppb (12) 13.0 ppb (12) N/A 0.0 ppb (0) 7.0 ppb (5) 0.24 ppb (3) N/A 6.5 μg/m3 (27) 27.0
 
Nov. 17, 2019, 2 p.m. N/A 1.3 ppb (1) 15.6 ppb (14) 15.0 ppb (14) N/A 0.0 ppb (0) 3.0 ppb (2) 0.27 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
Nov. 17, 2019, 1 p.m. N/A 2.3 ppb (2) 16.1 ppb (15) 14.0 ppb (13) N/A 0.0 ppb (0) 3.0 ppb (2) 0.26 ppb (3) N/A 8.5 μg/m3 (35) 35.0
 
Nov. 17, 2019, noon N/A 1.4 ppb (1) 14.4 ppb (13) 13.0 ppb (12) N/A 0.0 ppb (0) 4.0 ppb (3) 0.27 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
Nov. 17, 2019, 11 a.m. N/A 0.5 ppb (0) 12.1 ppb (11) 12.0 ppb (11) N/A 0.0 ppb (0) 6.0 ppb (5) 0.25 ppb (3) N/A 5.8 μg/m3 (24) 24.0
 
Nov. 17, 2019, 10 a.m. N/A 0.9 ppb (1) 10.9 ppb (10) 10.0 ppb (9) N/A 0.0 ppb (0) 8.0 ppb (6) 0.24 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 17, 2019, 9 a.m. N/A 1.9 ppb (2) 14.9 ppb (14) 13.0 ppb (12) N/A 0.0 ppb (0) 4.0 ppb (3) 0.26 ppb (3) N/A 8.3 μg/m3 (35) 35.0
 
Nov. 17, 2019, 8 a.m. N/A 1.3 ppb (1) 12.4 ppb (11) 12.0 ppb (11) N/A 0.0 ppb (0) 6.0 ppb (5) 0.25 ppb (3) N/A 4.6 μg/m3 (19) 19.0
 
Nov. 17, 2019, 7 a.m. N/A 0.8 ppb (1) 12.3 ppb (11) 12.0 ppb (11) N/A N/A 6.0 ppb (5) 0.25 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
Nov. 17, 2019, 6 a.m. N/A 2.4 ppb (2) 15.6 ppb (14) 14.0 ppb (13) N/A N/A 5.0 ppb (4) 0.26 ppb (3) N/A 10.2 μg/m3 (42) 42.0
 
Nov. 17, 2019, 5 a.m. N/A 4.9 ppb (5) 19.9 ppb (18) 15.0 ppb (14) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 11.9 μg/m3 (50) 50.0
 
Nov. 17, 2019, 4 a.m. N/A 6.8 ppb (6) 22.9 ppb (21) 18.0 ppb (17) N/A 1.0 ppb (1) 2.0 ppb (2) 0.38 ppb (4) N/A 14.6 μg/m3 (56) 56.0
 
Nov. 17, 2019, 3 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 4.0 ppb (3) 0.34 ppb (4) N/A 8.8 μg/m3 (37) 37.0
 
Nov. 17, 2019, 2 a.m. N/A 4.1 ppb (4) 20.9 ppb (19) 18.0 ppb (17) N/A 0.0 ppb (0) 4.0 ppb (3) 0.36 ppb (4) N/A 5.9 μg/m3 (25) 25.0
 
Nov. 17, 2019, 1 a.m. N/A 3.3 ppb (3) 20.6 ppb (19) 18.0 ppb (17) N/A 0.0 ppb (0) 4.0 ppb (3) 0.35 ppb (4) N/A 8.5 μg/m3 (35) 35.0
 
Nov. 17, 2019, midnight N/A 4.7 ppb (4) 23.3 ppb (22) 19.0 ppb (18) N/A 0.0 ppb (0) 3.0 ppb (2) 0.38 ppb (4) N/A 6.6 μg/m3 (28) 28.0
 
Nov. 16, 2019, 11 p.m. N/A 8.3 ppb (8) 27.8 ppb (26) 21.0 ppb (19) N/A 1.0 ppb (1) 2.0 ppb (2) 0.38 ppb (4) N/A 7.3 μg/m3 (30) 30.0
 
Nov. 16, 2019, 10 p.m. N/A 5.6 ppb (5) 20.6 ppb (19) 16.0 ppb (15) N/A 1.0 ppb (1) 6.0 ppb (5) 0.31 ppb (3) N/A 4.8 μg/m3 (20) 20.0
 
Nov. 16, 2019, 9 p.m. N/A 5.8 ppb (5) 19.7 ppb (18) 15.0 ppb (14) N/A 1.0 ppb (1) 6.0 ppb (5) 0.32 ppb (4) N/A 4.6 μg/m3 (19) 19.0
 
Nov. 16, 2019, 8 p.m. N/A 8.0 ppb (7) 20.7 ppb (19) 13.0 ppb (12) N/A 0.0 ppb (0) 6.0 ppb (5) 0.34 ppb (4) N/A 3.9 μg/m3 (16) 19.0
 
Nov. 16, 2019, 7 p.m. N/A 2.1 ppb (2) 9.0 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) 0.22 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
Nov. 16, 2019, 6 p.m. N/A 2.8 ppb (3) 10.8 ppb (10) 8.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (10) 0.24 ppb (3) N/A 3.3 μg/m3 (14) 14.0
 
Nov. 16, 2019, 5 p.m. N/A 6.0 ppb (6) 19.7 ppb (18) 14.0 ppb (13) N/A 1.0 ppb (1) 10.0 ppb (8) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 16, 2019, 4 p.m. N/A 3.9 ppb (4) 20.0 ppb (19) 17.0 ppb (16) N/A 0.0 ppb (0) 9.0 ppb (7) 0.26 ppb (3) N/A 3.9 μg/m3 (16) 19.0
 
Nov. 16, 2019, 3 p.m. N/A 2.2 ppb (2) 17.1 ppb (16) 16.0 ppb (15) N/A 0.0 ppb (0) 11.0 ppb (8) 0.23 ppb (3) N/A 3.0 μg/m3 (12) 16.0
 
Nov. 16, 2019, 2 p.m. N/A 0.5 ppb (0) 10.0 ppb (9) 10.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) N/A 5.3 μg/m3 (22) 22.0
 
Nov. 16, 2019, 1 p.m. N/A 0.4 ppb (0) 9.1 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
Nov. 16, 2019, noon N/A 0.4 ppb (0) 10.3 ppb (10) 10.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (11) 0.19 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
Nov. 16, 2019, 11 a.m. N/A 0.7 ppb (1) 13.9 ppb (13) 14.0 ppb (13) N/A N/A 13.0 ppb (10) 0.22 ppb (2) N/A 6.2 μg/m3 (26) 26.0
 
Nov. 16, 2019, 10 a.m. N/A 0.6 ppb (1) 13.1 ppb (12) 13.0 ppb (12) N/A N/A N/A 0.23 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
Nov. 16, 2019, 9 a.m. N/A 0.3 ppb (0) 11.2 ppb (10) 11.0 ppb (10) N/A 0.0 ppb (0) 16.0 ppb (12) 0.21 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
Nov. 16, 2019, 8 a.m. N/A 0.3 ppb (0) 12.0 ppb (11) 12.0 ppb (11) N/A 0.0 ppb (0) 15.0 ppb (12) 0.24 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
Nov. 16, 2019, 7 a.m. N/A 0.3 ppb (0) 11.9 ppb (11) 12.0 ppb (11) N/A 0.0 ppb (0) 17.0 ppb (13) 0.24 ppb (3) N/A 5.6 μg/m3 (23) 23.0
 
Nov. 16, 2019, 6 a.m. N/A 0.0 ppb (0) 3.9 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.17 ppb (2) N/A 5.5 μg/m3 (23) 23.0
 
Nov. 16, 2019, 5 a.m. N/A 0.1 ppb (0) 4.9 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.17 ppb (2) N/A 4.1 μg/m3 (17) 22.0
 
Nov. 16, 2019, 4 a.m. N/A 0.1 ppb (0) 6.1 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.18 ppb (2) N/A 5.2 μg/m3 (22) 22.0
 
Nov. 16, 2019, 3 a.m. N/A 0.1 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.16 ppb (2) N/A 4.8 μg/m3 (20) 22.0
 
Nov. 16, 2019, 2 a.m. N/A 0.1 ppb (0) 6.1 ppb (6) 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.17 ppb (2) N/A 4.7 μg/m3 (20) 21.0
 
Nov. 16, 2019, 1 a.m. N/A 0.2 ppb (0) 9.5 ppb (9) 10.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (16) 0.21 ppb (2) N/A 5.1 μg/m3 (21) 21.0
 
Nov. 16, 2019, midnight N/A 0.2 ppb (0) 6.5 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.19 ppb (2) N/A 4.9 μg/m3 (20) 20.0
 
Nov. 15, 2019, 11 p.m. N/A 0.7 ppb (1) 5.7 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) N/A 4.2 μg/m3 (18) 21.0
 
Nov. 15, 2019, 10 p.m. N/A 0.9 ppb (1) 6.0 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) N/A 0.0 μg/m3 (0) 21.0
 
Nov. 15, 2019, 9 p.m. N/A 1.1 ppb (1) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.16 ppb (2) N/A N/A 21.0
 
Nov. 15, 2019, 8 p.m. N/A 1.7 ppb (2) 6.0 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.17 ppb (2) N/A 3.8 μg/m3 (16) 18.0
 
Nov. 15, 2019, 7 p.m. N/A 2.3 ppb (2) 6.9 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.17 ppb (2) N/A 2.6 μg/m3 (11) 15.0
 
Nov. 15, 2019, 6 p.m. N/A 4.5 ppb (4) 11.2 ppb (10) 7.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) N/A 3.5 μg/m3 (15) 15.0
 
Nov. 15, 2019, 5 p.m. N/A 7.7 ppb (7) 17.5 ppb (16) 10.0 ppb (9) N/A 1.0 ppb (1) 9.0 ppb (7) 0.24 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Nov. 15, 2019, 4 p.m. N/A 12.9 ppb (12) 26.9 ppb (25) 15.0 ppb (14) N/A 1.0 ppb (1) 3.0 ppb (2) 0.29 ppb (3) N/A 5.5 μg/m3 (23) 25.0
 
Nov. 15, 2019, 3 p.m. N/A 6.5 ppb (6) 21.6 ppb (20) 16.0 ppb (15) N/A 0.0 ppb (0) 2.0 ppb (2) 0.26 ppb (3) N/A 3.9 μg/m3 (16) 20.0
 
Nov. 15, 2019, 2 p.m. N/A 4.8 ppb (4) 21.1 ppb (20) 17.0 ppb (16) N/A 0.0 ppb (0) 1.0 ppb (1) 0.24 ppb (3) N/A 5.3 μg/m3 (22) 22.0
 
Nov. 15, 2019, 1 p.m. N/A 1.0 ppb (1) 7.2 ppb (7) 7.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (8) 0.16 ppb (2) N/A 5.2 μg/m3 (22) 22.0
 
Nov. 15, 2019, noon N/A 1.2 ppb (1) 11.9 ppb (11) 10.0 ppb (9) N/A 0.0 ppb (0) 5.0 ppb (4) 0.2 ppb (2) N/A 8.1 μg/m3 (34) 34.0
 
Nov. 15, 2019, 11 a.m. N/A 3.8 ppb (4) 17.4 ppb (16) N/A N/A 1.0 ppb (1) 1.0 ppb (1) 0.23 ppb (3) N/A 8.4 μg/m3 (35) 35.0
 
Nov. 15, 2019, 10 a.m. N/A 1.9 ppb (2) 15.8 ppb (15) 14.0 ppb (13) N/A 1.0 ppb (1) N/A 0.23 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
Nov. 15, 2019, 9 a.m. N/A 3.6 ppb (3) 18.5 ppb (17) 15.0 ppb (14) N/A 1.0 ppb (1) 1.0 ppb (1) 0.27 ppb (3) N/A 11.6 μg/m3 (48) 48.0
 
Nov. 15, 2019, 8 a.m. N/A 7.4 ppb (7) 22.4 ppb (21) 15.0 ppb (14) N/A 1.0 ppb (1) 0.0 ppb (0) 0.31 ppb (3) N/A 12.4 μg/m3 (51) 51.0
 
Nov. 15, 2019, 7 a.m. N/A 4.2 ppb (4) 17.6 ppb (16) 14.0 ppb (13) N/A 1.0 ppb (1) 2.0 ppb (2) 0.29 ppb (3) N/A 12.1 μg/m3 (50) 50.0
 
Nov. 15, 2019, 6 a.m. N/A 6.0 ppb (6) 23.1 ppb (21) 18.0 ppb (17) N/A 1.0 ppb (1) 1.0 ppb (1) 0.3 ppb (3) N/A 9.2 μg/m3 (38) 38.0
 
Nov. 15, 2019, 5 a.m. N/A 13.5 ppb (12) 33.0 ppb (31) 20.0 ppb (19) N/A 1.0 ppb (1) 1.0 ppb (1) 0.34 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
Nov. 15, 2019, 4 a.m. N/A 10.0 ppb (9) 30.2 ppb (28) 21.0 ppb (19) N/A 1.0 ppb (1) 1.0 ppb (1) 0.32 ppb (4) N/A 8.5 μg/m3 (35) 35.0
 
Nov. 15, 2019, 3 a.m. N/A 11.1 ppb (10) 29.9 ppb (28) 20.0 ppb (19) N/A 1.0 ppb (1) 1.0 ppb (1) 0.33 ppb (4) N/A 7.2 μg/m3 (30) 30.0
 
Nov. 15, 2019, 2 a.m. N/A 11.8 ppb (11) 30.4 ppb (28) 19.0 ppb (18) N/A 1.0 ppb (1) 0.0 ppb (0) 0.33 ppb (4) N/A 10.3 μg/m3 (43) 43.0
 
Nov. 15, 2019, 1 a.m. N/A 11.1 ppb (10) 30.7 ppb (28) 20.0 ppb (19) N/A 1.0 ppb (1) 0.0 ppb (0) 0.35 ppb (4) N/A 10.6 μg/m3 (44) 44.0
 
Nov. 15, 2019, midnight N/A 14.4 ppb (13) 32.2 ppb (30) 18.0 ppb (17) N/A N/A 0.0 ppb (0) 0.36 ppb (4) N/A 10.5 μg/m3 (44) 44.0
 
Nov. 14, 2019, 11 p.m. N/A 12.7 ppb (12) 29.1 ppb (27) 17.0 ppb (16) N/A 1.0 ppb (1) 2.0 ppb (2) 0.31 ppb (3) N/A 11.7 μg/m3 (49) 49.0
 
Nov. 14, 2019, 10 p.m. N/A 38.6 ppb (36) 59.9 ppb (56) 21.0 ppb (19) N/A 2.0 ppb (3) 2.0 ppb (2) 0.37 ppb (4) N/A 13.3 μg/m3 (53) 56.0
 
Nov. 14, 2019, 9 p.m. N/A 64.8 ppb (61) 87.7 ppb (86) 22.0 ppb (20) N/A 3.0 ppb (4) 1.0 ppb (1) 0.41 ppb (5) N/A 23.2 μg/m3 (74) 86.0
 
Nov. 14, 2019, 8 p.m. N/A 80.3 ppb (78) 103.6 ppb (100) 22.0 ppb (20) N/A 2.0 ppb (3) 1.0 ppb (1) 0.44 ppb (5) N/A 22.4 μg/m3 (72) 100.0
 
Nov. 14, 2019, 7 p.m. N/A 33.2 ppb (31) 50.3 ppb (47) 16.0 ppb (15) N/A 1.0 ppb (1) 2.0 ppb (2) 0.47 ppb (5) N/A 18.5 μg/m3 (64) 64.0
 
Nov. 14, 2019, 6 p.m. N/A 28.6 ppb (26) 42.1 ppb (39) 14.0 ppb (13) N/A 1.0 ppb (1) 3.0 ppb (2) 0.39 ppb (4) N/A 14.2 μg/m3 (55) 55.0
 
Nov. 14, 2019, 5 p.m. N/A 21.2 ppb (20) 34.9 ppb (32) 12.0 ppb (11) N/A 1.0 ppb (1) 2.0 ppb (2) 0.3 ppb (3) N/A 11.3 μg/m3 (47) 47.0
 
Nov. 14, 2019, 4 p.m. N/A 18.8 ppb (17) 33.2 ppb (31) 14.0 ppb (13) N/A 1.0 ppb (1) 1.0 ppb (1) 0.31 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
Nov. 14, 2019, 3 p.m. N/A 26.4 ppb (24) 42.1 ppb (39) 15.0 ppb (14) N/A 1.0 ppb (1) 0.0 ppb (0) 0.33 ppb (4) N/A 9.1 μg/m3 (38) 39.0
 
Nov. 14, 2019, 2 p.m. N/A 33.6 ppb (31) 48.4 ppb (45) 14.0 ppb (13) N/A 1.0 ppb (1) 0.0 ppb (0) 0.32 ppb (4) N/A 8.2 μg/m3 (34) 45.0
 
Nov. 14, 2019, 1 p.m. N/A 19.5 ppb (18) 31.6 ppb (29) 12.0 ppb (11) N/A 1.0 ppb (1) 0.0 ppb (0) 0.29 ppb (3) N/A 9.4 μg/m3 (39) 39.0
 
Nov. 14, 2019, noon N/A 1.4 ppb (1) 12.2 ppb (11) 11.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) 0.23 ppb (3) N/A 5.5 μg/m3 (23) 23.0
 
Nov. 14, 2019, 11 a.m. N/A 0.7 ppb (1) 10.5 ppb (10) 10.0 ppb (9) N/A 0.0 ppb (0) 1.0 ppb (1) 0.23 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
Nov. 14, 2019, 10 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 3.0 ppb (2) 0.23 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
Nov. 14, 2019, 9 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 2.0 ppb (2) 0.24 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
Nov. 14, 2019, 8 a.m. N/A 2.5 ppb (2) 14.9 ppb (14) 12.0 ppb (11) N/A 0.0 ppb (0) 1.0 ppb (1) 0.26 ppb (3) N/A 12.6 μg/m3 (51) 51.0
 
Nov. 14, 2019, 7 a.m. N/A 7.8 ppb (7) 22.4 ppb (21) 14.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) 0.39 ppb (4) N/A 12.5 μg/m3 (51) 51.0
 
Nov. 14, 2019, 6 a.m. N/A 5.3 ppb (5) 20.3 ppb (19) 14.0 ppb (13) N/A 0.0 ppb (0) 1.0 ppb (1) 0.34 ppb (4) N/A 13.7 μg/m3 (54) 54.0
 
Nov. 14, 2019, 5 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 1.0 ppb (1) 0.34 ppb (4) N/A 11.3 μg/m3 (47) 47.0
 
Nov. 14, 2019, 4 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 2.0 ppb (2) 0.33 ppb (4) N/A 13.5 μg/m3 (53) 53.0
 
Nov. 14, 2019, 3 a.m. N/A 1.3 ppb (1) 14.7 ppb (14) 13.0 ppb (12) N/A 0.0 ppb (0) 5.0 ppb (4) 0.32 ppb (4) N/A 11.7 μg/m3 (49) 49.0
 
Nov. 14, 2019, 2 a.m. N/A 1.2 ppb (1) 14.7 ppb (14) 13.0 ppb (12) N/A 0.0 ppb (0) 6.0 ppb (5) 0.32 ppb (4) N/A 9.9 μg/m3 (41) 41.0
 
Nov. 14, 2019, 1 a.m. N/A 1.3 ppb (1) 12.6 ppb (12) 11.0 ppb (10) N/A 0.0 ppb (0) 9.0 ppb (7) 0.26 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
Nov. 14, 2019, midnight N/A 1.2 ppb (1) 10.2 ppb (9) 9.0 ppb (8) N/A 0.0 ppb (0) 11.0 ppb (8) 0.25 ppb (3) N/A 6.1 μg/m3 (25) 25.0
 
Nov. 13, 2019, 11 p.m. N/A 2.1 ppb (2) 9.0 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.21 ppb (2) N/A 3.1 μg/m3 (13) 13.0
 
Nov. 13, 2019, 10 p.m. N/A 3.9 ppb (4) 12.3 ppb (11) 8.0 ppb (7) N/A 0.0 ppb (0) 12.0 ppb (9) 0.23 ppb (3) N/A 5.5 μg/m3 (23) 23.0
 
Nov. 13, 2019, 9 p.m. N/A 6.1 ppb (6) 15.5 ppb (14) 9.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (10) 0.23 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
Nov. 13, 2019, 8 p.m. N/A 1.8 ppb (2) 6.7 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 13, 2019, 7 p.m. N/A 4.9 ppb (5) 13.8 ppb (13) 9.0 ppb (8) N/A 0.0 ppb (0) 9.0 ppb (7) 0.25 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 13, 2019, 6 p.m. N/A 8.3 ppb (8) 16.1 ppb (15) 8.0 ppb (7) N/A 0.0 ppb (0) 7.0 ppb (5) 0.26 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Nov. 13, 2019, 5 p.m. N/A 10.1 ppb (9) 17.4 ppb (16) 7.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (4) 0.26 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
Nov. 13, 2019, 4 p.m. N/A 22.4 ppb (21) 35.5 ppb (33) 13.0 ppb (12) N/A 1.0 ppb (1) 2.0 ppb (2) 0.42 ppb (5) N/A 7.3 μg/m3 (30) 33.0
 
Nov. 13, 2019, 3 p.m. N/A 9.3 ppb (9) 21.1 ppb (20) 12.0 ppb (11) N/A 0.0 ppb (0) 1.0 ppb (1) 0.29 ppb (3) N/A 6.1 μg/m3 (25) 25.0
 
Nov. 13, 2019, 2 p.m. N/A 1.1 ppb (1) 8.7 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (3) 0.2 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
Nov. 13, 2019, 1 p.m. N/A 0.5 ppb (0) 7.7 ppb (7) 7.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (3) 0.2 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
Nov. 13, 2019, noon N/A 1.2 ppb (1) 10.8 ppb (10) 9.0 ppb (8) N/A 0.0 ppb (0) 2.0 ppb (2) 0.23 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
Nov. 13, 2019, 11 a.m. N/A 13.6 ppb (13) 27.9 ppb (26) 13.0 ppb (12) N/A 1.0 ppb (1) 0.0 ppb (0) 0.28 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 13, 2019, 10 a.m. N/A 23.1 ppb (21) 41.3 ppb (38) 17.0 ppb (16) N/A 1.0 ppb (1) 0.0 ppb (0) 0.27 ppb (3) N/A 14.8 μg/m3 (56) 56.0
 
Nov. 13, 2019, 9 a.m. N/A 31.1 ppb (29) 49.5 ppb (46) 18.0 ppb (17) N/A 1.0 ppb (1) 0.0 ppb (0) 0.29 ppb (3) N/A 14.7 μg/m3 (56) 56.0
 
Nov. 13, 2019, 8 a.m. N/A 11.8 ppb (11) 26.9 ppb (25) 15.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) 0.35 ppb (4) N/A 9.8 μg/m3 (41) 41.0
 
Nov. 13, 2019, 7 a.m. N/A 1.5 ppb (1) 13.4 ppb (12) 11.0 ppb (10) N/A N/A 3.0 ppb (2) 0.28 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
Nov. 13, 2019, 6 a.m. N/A 0.3 ppb (0) 10.6 ppb (10) 10.0 ppb (9) N/A N/A 7.0 ppb (5) 0.23 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 13, 2019, 5 a.m. N/A 0.4 ppb (0) 10.4 ppb (10) 10.0 ppb (9) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 8.4 μg/m3 (35) 35.0
 
Nov. 13, 2019, 4 a.m. N/A 1.0 ppb (1) 11.5 ppb (11) 11.0 ppb (10) N/A 0.0 ppb (0) 8.0 ppb (6) 0.28 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
Nov. 13, 2019, 3 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 3.0 ppb (2) 0.31 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 13, 2019, 2 a.m. N/A 5.0 ppb (5) 22.2 ppb (21) 17.0 ppb (16) N/A 0.0 ppb (0) 1.0 ppb (1) 0.39 ppb (4) N/A 10.6 μg/m3 (44) 44.0
 
Nov. 13, 2019, 1 a.m. N/A 16.6 ppb (15) 35.7 ppb (33) 19.0 ppb (18) N/A 1.0 ppb (1) 0.0 ppb (0) 0.39 ppb (4) N/A 13.8 μg/m3 (54) 54.0
 
Nov. 13, 2019, midnight N/A 20.2 ppb (19) 40.3 ppb (37) N/A N/A 1.0 ppb (1) 1.0 ppb (1) 0.42 ppb (5) N/A 15.6 μg/m3 (58) 58.0
 
Nov. 12, 2019, 11 p.m. N/A 5.6 ppb (5) 21.6 ppb (20) N/A N/A 0.0 ppb (0) 4.0 ppb (3) 0.3 ppb (3) N/A 17.3 μg/m3 (61) 61.0
 
Nov. 12, 2019, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.34 ppb (4) N/A 11.9 μg/m3 (50) 50.0
 
Nov. 12, 2019, 9 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 5.0 ppb (4) 0.28 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
Nov. 12, 2019, 8 p.m. N/A 22.0 ppb (20) 39.6 ppb (37) 17.0 ppb (16) N/A N/A 4.0 ppb (3) 0.38 ppb (4) N/A 11.9 μg/m3 (50) 50.0
 
Nov. 12, 2019, 7 p.m. N/A 29.2 ppb (27) 48.1 ppb (45) 19.0 ppb (18) N/A 1.0 ppb (1) 2.0 ppb (2) 0.45 ppb (5) N/A 11.7 μg/m3 (49) 49.0
 
Nov. 12, 2019, 6 p.m. N/A 23.6 ppb (22) 38.8 ppb (36) 16.0 ppb (15) N/A 1.0 ppb (1) 2.0 ppb (2) 0.39 ppb (4) N/A 8.0 μg/m3 (33) 36.0
 
Nov. 12, 2019, 5 p.m. N/A 9.9 ppb (9) 21.9 ppb (20) 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.29 ppb (3) N/A 7.5 μg/m3 (31) 31.0
 
Nov. 12, 2019, 4 p.m. N/A 5.2 ppb (5) 18.2 ppb (17) 13.0 ppb (12) N/A 0.0 ppb (0) 2.0 ppb (2) 0.26 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
Nov. 12, 2019, 3 p.m. N/A 4.0 ppb (4) 19.2 ppb (18) 15.0 ppb (14) N/A 0.0 ppb (0) 1.0 ppb (1) 0.23 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
Nov. 12, 2019, 2 p.m. N/A 2.3 ppb (2) 16.9 ppb (16) 15.0 ppb (14) N/A 0.0 ppb (0) 1.0 ppb (1) 0.22 ppb (2) N/A 7.6 μg/m3 (32) 32.0
 
Nov. 12, 2019, 1 p.m. N/A 3.9 ppb (4) 20.4 ppb (19) 17.0 ppb (16) N/A 0.0 ppb (0) 1.0 ppb (1) 0.21 ppb (2) N/A 9.4 μg/m3 (39) 39.0
 
Nov. 12, 2019, noon N/A 6.3 ppb (6) 21.1 ppb (20) 15.0 ppb (14) N/A 0.0 ppb (0) 2.0 ppb (2) 0.2 ppb (2) N/A 5.8 μg/m3 (24) 24.0
 
Nov. 12, 2019, 11 a.m. N/A 0.1 ppb (0) 8.9 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 6.0 ppb (5) 0.19 ppb (2) N/A 6.5 μg/m3 (27) 27.0
 
Nov. 12, 2019, 10 a.m. N/A 0.1 ppb (0) 9.9 ppb (9) 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.19 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
Nov. 12, 2019, 9 a.m. N/A 0.2 ppb (0) 10.2 ppb (9) 10.0 ppb (9) N/A 0.0 ppb (0) 8.0 ppb (6) 0.18 ppb (2) N/A 9.5 μg/m3 (40) 40.0