AQSQID: 530330030

Site Name: Seattle-10th & Weller

Location: Seattle (Little Saigon), WA

Reporting: True, Located: True

Current AQI: 102.0

Seattle (Little Saigon) WA, US: 47.597222, -122.319722

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 30, 2019, 6 a.m. 69.6 ppb (67) 43.9 ppb (41) N/A 26.0 ppb (24) N/A N/A N/A 0.99 ppb (11) N/A 26.0 μg/m3 (80) 80.0
 
Nov. 30, 2019, 5 a.m. 55.9 ppb (52) 28.3 ppb (26) N/A 28.0 ppb (26) N/A N/A N/A 0.82 ppb (9) N/A 25.0 μg/m3 (78) 78.0
 
Nov. 30, 2019, 4 a.m. 37.0 ppb (34) 11.6 ppb (11) N/A 25.0 ppb (23) N/A N/A N/A 0.66 ppb (7) N/A 13.0 μg/m3 (52) 52.0
 
Nov. 30, 2019, 3 a.m. 31.9 ppb (30) 7.7 ppb (7) N/A 24.0 ppb (22) N/A N/A N/A 0.54 ppb (6) N/A 18.0 μg/m3 (63) 63.0
 
Nov. 30, 2019, 2 a.m. 29.2 ppb (27) 6.6 ppb (6) N/A 23.0 ppb (21) N/A N/A N/A 0.48 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Nov. 30, 2019, 1 a.m. 24.9 ppb (23) 5.3 ppb (5) N/A 20.0 ppb (19) N/A N/A N/A 0.42 ppb (5) N/A 3.0 μg/m3 (12) 23.0
 
Nov. 30, 2019, midnight 12.7 ppb (12) 2.7 ppb (3) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) N/A 2.0 μg/m3 (8) 12.0
 
Nov. 29, 2019, 11 p.m. 16.7 ppb (15) 7.0 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A 3.0 μg/m3 (12) 15.0
 
Nov. 29, 2019, 10 p.m. 25.9 ppb (24) 15.1 ppb (14) N/A 11.0 ppb (10) N/A N/A N/A 0.52 ppb (6) N/A 4.0 μg/m3 (17) 24.0
 
Nov. 29, 2019, 9 p.m. 30.0 ppb (28) 18.0 ppb (17) N/A 12.0 ppb (11) N/A N/A N/A 0.51 ppb (6) N/A 4.0 μg/m3 (17) 28.0
 
Nov. 29, 2019, 8 p.m. 23.7 ppb (22) 13.2 ppb (12) N/A 10.0 ppb (9) N/A N/A N/A 0.43 ppb (5) N/A 2.0 μg/m3 (8) 22.0
 
Nov. 29, 2019, 7 p.m. 12.8 ppb (12) 5.3 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 29, 2019, 6 p.m. 18.3 ppb (17) 7.6 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.29 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2019, 5 p.m. 25.2 ppb (23) 9.9 ppb (9) N/A 15.0 ppb (14) N/A N/A N/A 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 29, 2019, 4 p.m. 32.2 ppb (30) 11.9 ppb (11) N/A 20.0 ppb (19) N/A N/A N/A 0.34 ppb (4) N/A 5.0 μg/m3 (21) 30.0
 
Nov. 29, 2019, 3 p.m. 20.4 ppb (19) 3.9 ppb (4) N/A 17.0 ppb (16) N/A N/A N/A 0.26 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 29, 2019, 2 p.m. 20.2 ppb (19) 3.7 ppb (3) N/A 16.0 ppb (15) N/A N/A N/A 0.26 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 29, 2019, 1 p.m. 20.8 ppb (19) 3.8 ppb (4) N/A 17.0 ppb (16) N/A N/A N/A 0.31 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 29, 2019, noon 12.3 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.24 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 29, 2019, 11 a.m. 16.6 ppb (15) 2.1 ppb (2) N/A 14.0 ppb (13) N/A N/A N/A 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2019, 10 a.m. 14.9 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (13) N/A N/A N/A 0.28 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 29, 2019, 9 a.m. 19.8 ppb (18) 1.8 ppb (2) N/A 18.0 ppb (17) N/A N/A N/A 0.33 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 29, 2019, 8 a.m. 19.1 ppb (18) 1.4 ppb (1) N/A 18.0 ppb (17) N/A N/A N/A 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 29, 2019, 7 a.m. 18.3 ppb (17) 2.1 ppb (2) N/A 16.0 ppb (15) N/A N/A N/A 0.3 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 29, 2019, 6 a.m. 15.7 ppb (15) 1.7 ppb (2) N/A 14.0 ppb (13) N/A N/A N/A 0.29 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2019, 5 a.m. 16.9 ppb (16) 1.4 ppb (1) N/A 15.0 ppb (14) N/A N/A N/A 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 29, 2019, 4 a.m. 16.1 ppb (15) 2.3 ppb (2) N/A 14.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2019, 3 a.m. 13.8 ppb (13) 1.1 ppb (1) N/A 13.0 ppb (12) N/A N/A N/A 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 29, 2019, 2 a.m. 10.8 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 29, 2019, 1 a.m. 10.0 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2019, midnight 9.9 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 28, 2019, 11 p.m. 8.3 ppb (8) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2019, 10 p.m. 7.7 ppb (7) 2.2 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.27 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 28, 2019, 9 p.m. 6.4 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.24 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 28, 2019, 8 p.m. 9.2 ppb (9) 3.6 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.22 ppb (2) N/A 1.0 μg/m3 (4) 9.0
 
Nov. 28, 2019, 7 p.m. 7.5 ppb (7) 2.7 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 0.0 μg/m3 (0) 7.0
 
Nov. 28, 2019, 6 p.m. 9.9 ppb (9) 3.6 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 28, 2019, 5 p.m. 11.1 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 28, 2019, 4 p.m. 26.9 ppb (25) 9.2 ppb (9) N/A 18.0 ppb (17) N/A N/A N/A 0.32 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 28, 2019, 3 p.m. 21.3 ppb (20) 4.5 ppb (4) N/A 17.0 ppb (16) N/A N/A N/A 0.28 ppb (3) N/A 3.0 μg/m3 (12) 20.0
 
Nov. 28, 2019, 2 p.m. 15.7 ppb (15) 2.0 ppb (2) N/A 14.0 ppb (13) N/A N/A N/A 0.22 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 28, 2019, 1 p.m. 16.7 ppb (15) 2.5 ppb (2) N/A 14.0 ppb (13) N/A N/A N/A 0.26 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 28, 2019, noon 11.6 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.21 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 28, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Nov. 28, 2019, 10 a.m. 6.1 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 28, 2019, 9 a.m. 6.7 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.22 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 28, 2019, 8 a.m. 8.2 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.26 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 28, 2019, 7 a.m. 11.5 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.27 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2019, 6 a.m. 13.9 ppb (13) 1.4 ppb (1) N/A 13.0 ppb (12) N/A N/A N/A 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2019, 5 a.m. 17.8 ppb (16) 2.3 ppb (2) N/A 15.0 ppb (14) N/A N/A N/A 0.37 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2019, 4 a.m. 19.7 ppb (18) 2.6 ppb (2) N/A 17.0 ppb (16) N/A N/A N/A 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 28, 2019, 3 a.m. 22.9 ppb (21) 3.1 ppb (3) N/A 20.0 ppb (19) N/A N/A N/A 0.4 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 28, 2019, 2 a.m. 20.7 ppb (19) 3.6 ppb (3) N/A 17.0 ppb (16) N/A N/A N/A 0.41 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2019, 1 a.m. 20.3 ppb (19) 4.6 ppb (4) N/A 16.0 ppb (15) N/A N/A N/A 0.38 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 28, 2019, midnight 22.3 ppb (21) 7.4 ppb (7) N/A 15.0 ppb (14) N/A N/A N/A 0.47 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 27, 2019, 11 p.m. 15.6 ppb (14) 5.2 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.34 ppb (4) N/A 3.0 μg/m3 (12) 14.0
 
Nov. 27, 2019, 10 p.m. 11.7 ppb (11) 4.1 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.31 ppb (3) N/A 0.0 μg/m3 (0) 11.0
 
Nov. 27, 2019, 9 p.m. 12.1 ppb (11) 4.5 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.29 ppb (3) N/A 1.0 μg/m3 (4) 11.0
 
Nov. 27, 2019, 8 p.m. 12.0 ppb (11) 4.6 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.26 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 27, 2019, 7 p.m. 17.6 ppb (16) 7.6 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A 0.27 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 27, 2019, 6 p.m. 22.3 ppb (21) 9.1 ppb (8) N/A 13.0 ppb (12) N/A N/A N/A 0.29 ppb (3) N/A 4.0 μg/m3 (17) 21.0
 
Nov. 27, 2019, 5 p.m. 27.9 ppb (26) 10.4 ppb (10) N/A 18.0 ppb (17) N/A N/A N/A 0.32 ppb (4) N/A 6.0 μg/m3 (25) 26.0
 
Nov. 27, 2019, 4 p.m. 38.9 ppb (36) 15.3 ppb (14) N/A 24.0 ppb (22) N/A N/A N/A 0.29 ppb (3) N/A 7.0 μg/m3 (29) 36.0
 
Nov. 27, 2019, 3 p.m. 36.1 ppb (33) 12.8 ppb (12) N/A 23.0 ppb (21) N/A N/A N/A 0.31 ppb (3) N/A 4.0 μg/m3 (17) 33.0
 
Nov. 27, 2019, 2 p.m. 16.3 ppb (15) 3.9 ppb (4) N/A 12.0 ppb (11) N/A N/A N/A 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 27, 2019, 1 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.22 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 27, 2019, noon 4.9 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (2) N/A -1.0 μg/m3 (0) 5.0
 
Nov. 27, 2019, 11 a.m. 3.9 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Nov. 27, 2019, 10 a.m. 4.5 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.2 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Nov. 27, 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. 27, 2019, 8 a.m. 5.9 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 1.0 μg/m3 (4) 6.0
 
Nov. 27, 2019, 7 a.m. 6.8 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.22 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 27, 2019, 6 a.m. 7.4 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 27, 2019, 5 a.m. 7.7 ppb (7) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 0.0 μg/m3 (0) 7.0
 
Nov. 27, 2019, 4 a.m. 8.4 ppb (8) 1.3 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 0.0 μg/m3 (0) 8.0
 
Nov. 27, 2019, 3 a.m. 7.7 ppb (7) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 27, 2019, 2 a.m. 11.1 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A N/A N/A 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 27, 2019, 1 a.m. 15.0 ppb (14) 2.3 ppb (2) N/A 13.0 ppb (12) N/A N/A N/A 0.33 ppb (4) N/A 3.0 μg/m3 (12) 14.0
 
Nov. 27, 2019, midnight 26.6 ppb (25) 8.4 ppb (8) N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (4) N/A 4.0 μg/m3 (17) 25.0
 
Nov. 26, 2019, 11 p.m. 19.3 ppb (18) 5.1 ppb (5) N/A 14.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 1.0 μg/m3 (4) 18.0
 
Nov. 26, 2019, 10 p.m. 17.8 ppb (16) 5.8 ppb (5) N/A 12.0 ppb (11) N/A N/A N/A 0.31 ppb (3) N/A 1.0 μg/m3 (4) 16.0
 
Nov. 26, 2019, 9 p.m. 22.3 ppb (21) 9.1 ppb (8) N/A 13.0 ppb (12) N/A N/A N/A 0.27 ppb (3) N/A 2.0 μg/m3 (8) 21.0
 
Nov. 26, 2019, 8 p.m. 17.2 ppb (16) 6.9 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 3.0 μg/m3 (12) 16.0
 
Nov. 26, 2019, 7 p.m. 22.9 ppb (21) 8.9 ppb (8) N/A 14.0 ppb (13) N/A N/A N/A 0.33 ppb (4) N/A 1.0 μg/m3 (4) 21.0
 
Nov. 26, 2019, 6 p.m. 24.9 ppb (23) 9.4 ppb (9) N/A 16.0 ppb (15) N/A N/A N/A 0.34 ppb (4) N/A 2.0 μg/m3 (8) 23.0
 
Nov. 26, 2019, 5 p.m. 25.7 ppb (24) 7.8 ppb (7) N/A 18.0 ppb (17) N/A N/A N/A 0.34 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 26, 2019, 4 p.m. 23.6 ppb (22) 7.3 ppb (7) N/A 16.0 ppb (15) N/A N/A N/A 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 26, 2019, 3 p.m. 33.4 ppb (31) 10.7 ppb (10) N/A 23.0 ppb (21) N/A N/A N/A 0.41 ppb (5) N/A 3.0 μg/m3 (12) 31.0
 
Nov. 26, 2019, 2 p.m. 32.9 ppb (30) 9.9 ppb (9) N/A 23.0 ppb (21) N/A N/A N/A 0.33 ppb (4) N/A 1.0 μg/m3 (4) 30.0
 
Nov. 26, 2019, 1 p.m. 12.2 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.21 ppb (2) N/A 1.0 μg/m3 (4) 11.0
 
Nov. 26, 2019, noon 10.6 ppb (10) 1.3 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.21 ppb (2) N/A 2.0 μg/m3 (8) 10.0
 
Nov. 26, 2019, 11 a.m. 11.6 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.2 ppb (2) N/A 2.0 μg/m3 (8) 11.0
 
Nov. 26, 2019, 10 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. 26, 2019, 9 a.m. 7.4 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.19 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 26, 2019, 8 a.m. 7.7 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 26, 2019, 7 a.m. 10.8 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 26, 2019, 6 a.m. 17.1 ppb (16) 1.7 ppb (2) N/A 15.0 ppb (14) N/A N/A N/A 0.28 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 26, 2019, 5 a.m. 30.1 ppb (28) 10.5 ppb (10) N/A 20.0 ppb (19) N/A N/A N/A 0.44 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 26, 2019, 4 a.m. 32.3 ppb (30) 8.7 ppb (8) N/A 24.0 ppb (22) N/A N/A N/A 0.48 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 26, 2019, 3 a.m. 25.9 ppb (24) 4.4 ppb (4) N/A 22.0 ppb (20) N/A N/A N/A 0.44 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 26, 2019, 2 a.m. 29.9 ppb (28) 8.2 ppb (8) N/A 22.0 ppb (20) N/A N/A N/A 0.45 ppb (5) N/A 3.0 μg/m3 (12) 28.0
 
Nov. 26, 2019, 1 a.m. 31.5 ppb (29) 7.0 ppb (6) N/A 25.0 ppb (23) N/A N/A N/A 0.47 ppb (5) N/A 2.0 μg/m3 (8) 29.0
 
Nov. 26, 2019, midnight 25.2 ppb (23) 8.6 ppb (8) N/A 17.0 ppb (16) N/A N/A N/A 0.43 ppb (5) N/A 3.0 μg/m3 (12) 23.0
 
Nov. 25, 2019, 11 p.m. 15.8 ppb (15) 3.7 ppb (3) N/A 12.0 ppb (11) N/A N/A N/A 0.26 ppb (3) N/A 1.0 μg/m3 (4) 15.0
 
Nov. 25, 2019, 10 p.m. 20.8 ppb (19) 6.5 ppb (6) N/A 14.0 ppb (13) N/A N/A N/A 0.28 ppb (3) N/A 2.0 μg/m3 (8) 19.0
 
Nov. 25, 2019, 9 p.m. 25.4 ppb (24) 9.1 ppb (8) N/A 16.0 ppb (15) N/A N/A N/A 0.32 ppb (4) N/A 3.0 μg/m3 (12) 24.0
 
Nov. 25, 2019, 8 p.m. 20.1 ppb (19) 6.0 ppb (6) N/A 14.0 ppb (13) N/A N/A N/A 0.32 ppb (4) N/A 4.0 μg/m3 (17) 19.0
 
Nov. 25, 2019, 7 p.m. 69.4 ppb (66) 37.2 ppb (34) N/A 32.0 ppb (30) N/A N/A N/A 0.46 ppb (5) N/A 5.0 μg/m3 (21) 66.0
 
Nov. 25, 2019, 6 p.m. 26.5 ppb (25) 9.9 ppb (9) N/A 17.0 ppb (16) N/A N/A N/A 0.33 ppb (4) N/A 3.0 μg/m3 (12) 25.0
 
Nov. 25, 2019, 5 p.m. 31.1 ppb (29) 9.9 ppb (9) N/A 21.0 ppb (19) N/A N/A N/A 0.36 ppb (4) N/A 2.0 μg/m3 (8) 29.0
 
Nov. 25, 2019, 4 p.m. 28.6 ppb (26) 9.5 ppb (9) N/A 19.0 ppb (18) N/A N/A N/A 0.29 ppb (3) N/A 1.0 μg/m3 (4) 26.0
 
Nov. 25, 2019, 3 p.m. 17.7 ppb (16) 1.8 ppb (2) N/A 16.0 ppb (15) N/A N/A N/A 0.26 ppb (3) N/A 2.0 μg/m3 (8) 16.0
 
Nov. 25, 2019, 2 p.m. 15.9 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A N/A N/A 0.21 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 25, 2019, 1 p.m. 6.7 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.17 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Nov. 25, 2019, noon 21.9 ppb (20) 8.7 ppb (8) N/A 13.0 ppb (12) N/A N/A N/A 0.27 ppb (3) N/A 4.0 μg/m3 (17) 20.0
 
Nov. 25, 2019, 11 a.m. 16.9 ppb (16) 3.6 ppb (3) N/A 13.0 ppb (12) N/A N/A N/A 0.26 ppb (3) N/A 3.0 μg/m3 (12) 16.0
 
Nov. 25, 2019, 10 a.m. 12.4 ppb (11) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.26 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 25, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Nov. 25, 2019, 8 a.m. 31.8 ppb (29) 8.6 ppb (8) N/A 23.0 ppb (21) N/A N/A N/A 0.39 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 25, 2019, 7 a.m. 19.0 ppb (18) 2.1 ppb (2) N/A 17.0 ppb (16) N/A N/A N/A 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 25, 2019, 6 a.m. 27.0 ppb (25) 8.6 ppb (8) N/A 18.0 ppb (17) N/A N/A N/A 0.51 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 25, 2019, 5 a.m. 16.0 ppb (15) 1.7 ppb (2) N/A 14.0 ppb (13) N/A N/A N/A 0.3 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 25, 2019, 4 a.m. 24.8 ppb (23) 5.7 ppb (5) N/A 19.0 ppb (18) N/A N/A N/A 0.43 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 25, 2019, 3 a.m. 43.5 ppb (40) 17.9 ppb (17) N/A 26.0 ppb (24) N/A N/A N/A 0.65 ppb (7) N/A 14.0 μg/m3 (54) 54.0
 
Nov. 25, 2019, 2 a.m. 31.0 ppb (29) 8.0 ppb (7) N/A 23.0 ppb (21) N/A N/A N/A 0.5 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 25, 2019, 1 a.m. 39.7 ppb (37) 11.8 ppb (11) N/A 28.0 ppb (26) N/A N/A N/A 0.54 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Nov. 25, 2019, midnight 39.7 ppb (37) 17.0 ppb (16) N/A 23.0 ppb (21) N/A N/A N/A 0.55 ppb (6) N/A 7.0 μg/m3 (29) 37.0
 
Nov. 24, 2019, 11 p.m. 56.7 ppb (53) 30.3 ppb (28) N/A 26.0 ppb (24) N/A N/A N/A 0.69 ppb (8) N/A 8.0 μg/m3 (33) 53.0
 
Nov. 24, 2019, 10 p.m. 33.7 ppb (31) 18.0 ppb (17) N/A 16.0 ppb (15) N/A N/A N/A 0.53 ppb (6) N/A 6.0 μg/m3 (25) 31.0
 
Nov. 24, 2019, 9 p.m. 25.4 ppb (24) 12.1 ppb (11) N/A 13.0 ppb (12) N/A N/A N/A 0.42 ppb (5) N/A 4.0 μg/m3 (17) 24.0
 
Nov. 24, 2019, 8 p.m. 21.8 ppb (20) 11.4 ppb (11) N/A 10.0 ppb (9) N/A N/A N/A 0.43 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 24, 2019, 7 p.m. 31.8 ppb (29) 16.3 ppb (15) N/A 15.0 ppb (14) N/A N/A N/A 0.53 ppb (6) N/A 6.0 μg/m3 (25) 29.0
 
Nov. 24, 2019, 6 p.m. 20.4 ppb (19) 9.3 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 24, 2019, 5 p.m. 20.2 ppb (19) 7.4 ppb (7) N/A 13.0 ppb (12) N/A N/A N/A 0.37 ppb (4) N/A 3.0 μg/m3 (12) 19.0
 
Nov. 24, 2019, 4 p.m. 18.1 ppb (17) 4.2 ppb (4) N/A 14.0 ppb (13) N/A N/A N/A 0.32 ppb (4) N/A 3.0 μg/m3 (12) 17.0
 
Nov. 24, 2019, 3 p.m. 21.8 ppb (20) 3.7 ppb (3) N/A 18.0 ppb (17) N/A N/A N/A 0.31 ppb (3) N/A 3.0 μg/m3 (12) 20.0
 
Nov. 24, 2019, 2 p.m. 13.8 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (12) N/A N/A N/A 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 24, 2019, 1 p.m. 9.6 ppb (9) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.19 ppb (2) N/A 1.0 μg/m3 (4) 9.0
 
Nov. 24, 2019, noon 7.1 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 1.0 μg/m3 (4) 7.0
 
Nov. 24, 2019, 11 a.m. 10.4 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 24, 2019, 10 a.m. 21.2 ppb (20) 4.1 ppb (4) N/A 17.0 ppb (16) N/A N/A N/A 0.27 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 24, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 24, 2019, 8 a.m. 9.8 ppb (9) 3.2 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 24, 2019, 7 a.m. 10.4 ppb (10) 3.9 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 24, 2019, 6 a.m. 13.7 ppb (13) 4.3 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.29 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 24, 2019, 5 a.m. 11.7 ppb (11) 4.3 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.27 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 24, 2019, 4 a.m. 13.6 ppb (13) 5.3 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.27 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 24, 2019, 3 a.m. 17.2 ppb (16) 5.8 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.27 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 24, 2019, 2 a.m. 20.7 ppb (19) 7.4 ppb (7) N/A 13.0 ppb (12) N/A N/A N/A 0.32 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 24, 2019, 1 a.m. 20.2 ppb (19) 7.5 ppb (7) N/A 13.0 ppb (12) N/A N/A N/A 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 24, 2019, midnight 30.1 ppb (28) 11.9 ppb (11) N/A 18.0 ppb (17) N/A N/A N/A 0.41 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 23, 2019, 11 p.m. 33.7 ppb (31) 15.5 ppb (14) N/A 18.0 ppb (17) N/A N/A N/A 0.46 ppb (5) N/A 6.0 μg/m3 (25) 31.0
 
Nov. 23, 2019, 10 p.m. 31.5 ppb (29) 15.2 ppb (14) N/A 16.0 ppb (15) N/A N/A N/A 0.48 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Nov. 23, 2019, 9 p.m. 33.5 ppb (31) 17.2 ppb (16) N/A 16.0 ppb (15) N/A N/A N/A 0.46 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Nov. 23, 2019, 8 p.m. 38.5 ppb (36) 21.1 ppb (20) N/A 17.0 ppb (16) N/A N/A N/A 0.47 ppb (5) N/A 7.0 μg/m3 (29) 36.0
 
Nov. 23, 2019, 7 p.m. 38.1 ppb (35) 20.8 ppb (19) N/A 17.0 ppb (16) N/A N/A N/A 0.45 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 23, 2019, 6 p.m. 93.4 ppb (92) 72.8 ppb (70) N/A 21.0 ppb (19) N/A N/A N/A 0.79 ppb (9) N/A 18.0 μg/m3 (63) 92.0
 
Nov. 23, 2019, 5 p.m. 58.9 ppb (55) 44.3 ppb (41) N/A 15.0 ppb (14) N/A N/A N/A 0.58 ppb (6) N/A 16.0 μg/m3 (59) 59.0
 
Nov. 23, 2019, 4 p.m. 79.0 ppb (77) 63.1 ppb (60) N/A 16.0 ppb (15) N/A N/A N/A 0.66 ppb (7) N/A 18.0 μg/m3 (63) 77.0
 
Nov. 23, 2019, 3 p.m. 78.1 ppb (76) 63.1 ppb (60) N/A 15.0 ppb (14) N/A N/A N/A 0.64 ppb (7) N/A 22.0 μg/m3 (71) 76.0
 
Nov. 23, 2019, 2 p.m. 80.9 ppb (79) 64.1 ppb (61) N/A 17.0 ppb (16) N/A N/A N/A 0.68 ppb (8) N/A 21.0 μg/m3 (69) 79.0
 
Nov. 23, 2019, 1 p.m. 78.8 ppb (76) 61.5 ppb (58) N/A 17.0 ppb (16) N/A N/A N/A 0.77 ppb (9) N/A 17.0 μg/m3 (61) 76.0
 
Nov. 23, 2019, noon 84.3 ppb (82) 66.2 ppb (63) N/A 18.0 ppb (17) N/A N/A N/A 0.69 ppb (8) N/A 19.0 μg/m3 (65) 82.0
 
Nov. 23, 2019, 11 a.m. 65.4 ppb (62) 47.5 ppb (44) N/A 18.0 ppb (17) N/A N/A N/A 0.55 ppb (6) N/A 22.0 μg/m3 (71) 71.0
 
Nov. 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (71) 71.0
 
Nov. 23, 2019, 9 a.m. 106.3 ppb (101) 87.7 ppb (86) N/A 19.0 ppb (18) N/A N/A N/A 0.96 ppb (11) N/A 29.0 μg/m3 (86) 101.0
 
Nov. 23, 2019, 8 a.m. 110.5 ppb (102) 91.0 ppb (89) N/A 20.0 ppb (19) N/A N/A N/A 1.03 ppb (11) N/A 31.0 μg/m3 (90) 102.0
 
Nov. 23, 2019, 7 a.m. 108.5 ppb (101) 88.5 ppb (87) N/A 20.0 ppb (19) N/A N/A N/A 1.05 ppb (12) N/A 28.0 μg/m3 (84) 101.0