ID: 2316

AQSQID: 371830021

Site Name: Triple Oak - Near Road

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

Updated: Jan. 26, 2021, 1:32 p.m.

Location: Morrisville (Dan K Moore Fwy), NC

Reporting: True, Located: True

Current AQI: 21.0

Morrisville (Dan K Moore Fwy) NC, US: 35.8652, -78.8197

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 26, 2021, noon 20.6 ppb (20) 10.1 ppb (10) N/A 10.0 ppb (10) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 26, 2021, 11 a.m. 22.9 ppb (22) 12.2 ppb (12) N/A 11.0 ppb (11) N/A N/A N/A 0.3 ppb (4) N/A 3.0 μg/m3 (13) 22.0
 
Jan. 26, 2021, 10 a.m. 21.1 ppb (20) 11.3 ppb (11) N/A 10.0 ppb (10) N/A N/A N/A 0.27 ppb (4) N/A 2.0 μg/m3 (9) 20.0
 
Jan. 26, 2021, 9 a.m. 3.9 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.19 ppb (3) N/A 0.0 μg/m3 (0) 4.0
 
Jan. 26, 2021, 8 a.m. 3.5 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.18 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Jan. 26, 2021, 7 a.m. 2.3 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 26, 2021, 5 a.m. 3.6 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 26, 2021, 4 a.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.22 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 26, 2021, 3 a.m. 7.2 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 26, 2021, 2 a.m. 5.2 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Jan. 26, 2021, 1 a.m. 8.3 ppb (8) 1.6 ppb (2) N/A 7.0 ppb (7) N/A N/A N/A 0.25 ppb (3) N/A 1.0 μg/m3 (5) 8.0
 
Jan. 26, 2021, midnight 15.0 ppb (15) 5.2 ppb (5) N/A 10.0 ppb (10) N/A N/A N/A 0.3 ppb (4) N/A 3.0 μg/m3 (13) 15.0
 
Jan. 25, 2021, 11 p.m. 19.8 ppb (19) 6.5 ppb (7) N/A 13.0 ppb (13) N/A N/A N/A 0.3 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2021, 10 p.m. 18.6 ppb (18) 6.1 ppb (6) N/A 12.0 ppb (12) N/A N/A N/A 0.3 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 25, 2021, 9 p.m. 24.8 ppb (24) 9.9 ppb (10) N/A 15.0 ppb (15) N/A N/A N/A 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 25, 2021, 8 p.m. 37.3 ppb (36) 19.4 ppb (19) N/A 18.0 ppb (17) N/A N/A N/A 0.41 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 25, 2021, 7 p.m. 35.6 ppb (34) 18.6 ppb (18) N/A 17.0 ppb (17) N/A N/A N/A 0.41 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 25, 2021, 6 p.m. 27.0 ppb (26) 15.0 ppb (15) N/A 12.0 ppb (12) N/A N/A N/A 0.32 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 25, 2021, 5 p.m. 25.5 ppb (25) 12.2 ppb (12) N/A 13.0 ppb (13) N/A N/A N/A 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 25, 2021, 4 p.m. 36.5 ppb (35) 21.8 ppb (21) N/A 15.0 ppb (15) N/A N/A N/A 0.44 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 25, 2021, 3 p.m. 59.6 ppb (57) 40.1 ppb (38) N/A 19.0 ppb (18) N/A N/A N/A 0.46 ppb (6) N/A 7.0 μg/m3 (30) 57.0
 
Jan. 25, 2021, 2 p.m. 45.0 ppb (43) 25.6 ppb (25) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 25, 2021, noon 46.1 ppb (44) 28.4 ppb (27) N/A 18.0 ppb (17) N/A N/A N/A 0.47 ppb (6) N/A 9.0 μg/m3 (38) 44.0
 
Jan. 25, 2021, 11 a.m. 24.0 ppb (23) 11.0 ppb (11) N/A 13.0 ppb (13) N/A N/A N/A 0.31 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 25, 2021, 10 a.m. 28.7 ppb (28) 11.6 ppb (11) N/A 17.0 ppb (17) N/A N/A N/A 0.31 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 25, 2021, 9 a.m. 17.8 ppb (17) 6.5 ppb (7) N/A 11.0 ppb (11) N/A N/A N/A 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 25, 2021, 8 a.m. 13.4 ppb (13) 4.2 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2021, 7 a.m. 8.5 ppb (9) 0.8 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.23 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 25, 2021, 5 a.m. 7.0 ppb (7) 0.3 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 25, 2021, 4 a.m. 17.9 ppb (17) 2.9 ppb (3) N/A 15.0 ppb (15) N/A N/A N/A 0.31 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 25, 2021, 3 a.m. 11.5 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (10) N/A N/A N/A 0.29 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 25, 2021, 2 a.m. 16.6 ppb (16) 4.5 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.3 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 25, 2021, 1 a.m. 6.8 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 25, 2021, midnight 14.6 ppb (14) 3.8 ppb (4) N/A 11.0 ppb (11) N/A N/A N/A 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2021, 11 p.m. 27.3 ppb (26) 10.4 ppb (10) N/A 17.0 ppb (17) N/A N/A N/A 0.39 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 24, 2021, 10 p.m. 18.3 ppb (18) 7.4 ppb (7) N/A 11.0 ppb (11) N/A N/A N/A 0.34 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 24, 2021, 9 p.m. 17.7 ppb (17) 8.0 ppb (8) N/A 10.0 ppb (10) N/A N/A N/A 0.38 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2021, 8 p.m. 16.9 ppb (16) 8.3 ppb (8) N/A 9.0 ppb (9) N/A N/A N/A 0.34 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2021, 7 p.m. 15.0 ppb (15) 8.0 ppb (8) N/A 7.0 ppb (7) N/A N/A N/A 0.34 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2021, 6 p.m. 12.8 ppb (13) 6.2 ppb (6) N/A 7.0 ppb (7) N/A N/A N/A 0.3 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2021, 5 p.m. 11.0 ppb (11) 6.4 ppb (7) N/A 5.0 ppb (5) N/A N/A N/A 0.28 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 24, 2021, 4 p.m. 12.3 ppb (12) 6.6 ppb (7) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 24, 2021, 3 p.m. 13.8 ppb (14) 7.7 ppb (8) N/A 6.0 ppb (6) N/A N/A N/A 0.31 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2021, 2 p.m. 13.2 ppb (13) 6.3 ppb (6) N/A 7.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 24, 2021, 1 p.m. 13.4 ppb (13) 4.1 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A 0.26 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2021, noon 7.2 ppb (7) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.19 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2021, 11 a.m. 16.7 ppb (16) 3.0 ppb (3) N/A 14.0 ppb (14) N/A N/A N/A 0.24 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2021, 10 a.m. 13.9 ppb (14) 2.9 ppb (3) N/A 11.0 ppb (11) N/A N/A N/A 0.19 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2021, 9 a.m. 13.3 ppb (13) 4.1 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A 0.21 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2021, 8 a.m. 8.5 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.21 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2021, 7 a.m. 22.5 ppb (22) 5.2 ppb (5) N/A 17.0 ppb (17) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.55 ppb (7) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 24, 2021, 5 a.m. 35.8 ppb (34) 12.7 ppb (12) N/A 23.0 ppb (22) N/A N/A N/A 0.62 ppb (7) N/A 6.0 μg/m3 (25) 34.0
 
Jan. 24, 2021, 4 a.m. 19.9 ppb (19) 0.8 ppb (1) N/A 19.0 ppb (18) N/A N/A N/A 0.35 ppb (4) N/A 4.0 μg/m3 (17) 19.0
 
Jan. 24, 2021, 3 a.m. 34.7 ppb (33) 10.8 ppb (11) N/A 24.0 ppb (23) N/A N/A N/A 0.47 ppb (6) N/A 2.0 μg/m3 (9) 33.0
 
Jan. 24, 2021, 2 a.m. 15.9 ppb (15) 1.5 ppb (2) N/A 14.0 ppb (14) N/A N/A N/A 0.27 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 24, 2021, 1 a.m. 15.3 ppb (15) 3.0 ppb (3) N/A 12.0 ppb (12) N/A N/A N/A 0.27 ppb (4) N/A 2.0 μg/m3 (9) 15.0
 
Jan. 24, 2021, midnight 10.2 ppb (10) 3.6 ppb (4) N/A 7.0 ppb (7) N/A N/A N/A 0.19 ppb (3) N/A 0.0 μg/m3 (0) 10.0
 
Jan. 23, 2021, 11 p.m. 5.6 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (3) N/A -2.0 μg/m3 (0) 6.0
 
Jan. 23, 2021, 10 p.m. 1.5 ppb (2) 0.1 ppb (1) 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
 
Jan. 23, 2021, 9 p.m. 1.8 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.14 ppb (2) N/A 1.0 μg/m3 (5) 5.0
 
Jan. 23, 2021, 8 p.m. 2.6 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (3) N/A 1.0 μg/m3 (5) 5.0
 
Jan. 23, 2021, 7 p.m. 3.3 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 23, 2021, 6 p.m. 4.0 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2021, 5 p.m. 3.8 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 23, 2021, 4 p.m. 4.0 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 23, 2021, 3 p.m. 5.4 ppb (6) 2.5 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (3) N/A 1.0 μg/m3 (5) 6.0
 
Jan. 23, 2021, 2 p.m. 7.1 ppb (7) 3.2 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (3) N/A 1.0 μg/m3 (5) 7.0
 
Jan. 23, 2021, 1 p.m. 7.0 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Jan. 23, 2021, noon 5.2 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.15 ppb (2) N/A -1.0 μg/m3 (0) 5.0
 
Jan. 23, 2021, 11 a.m. 5.1 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2021, 10 a.m. 14.2 ppb (14) 2.9 ppb (3) N/A 11.0 ppb (11) N/A N/A N/A 0.21 ppb (3) N/A 2.0 μg/m3 (9) 14.0
 
Jan. 23, 2021, 9 a.m. 34.6 ppb (33) 16.7 ppb (16) N/A 18.0 ppb (17) N/A N/A N/A 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2021, 8 a.m. 50.2 ppb (48) 30.6 ppb (29) N/A 20.0 ppb (19) N/A N/A N/A 0.52 ppb (6) N/A 5.0 μg/m3 (21) 48.0
 
Jan. 23, 2021, 7 a.m. 62.3 ppb (60) 39.2 ppb (37) N/A 23.0 ppb (22) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 60.0
 
Jan. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.64 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2021, 5 a.m. 59.9 ppb (58) 37.1 ppb (35) N/A 23.0 ppb (22) N/A N/A N/A 0.7 ppb (8) N/A 6.0 μg/m3 (25) 58.0
 
Jan. 23, 2021, 4 a.m. 72.4 ppb (71) 48.5 ppb (46) N/A 24.0 ppb (23) N/A N/A N/A 0.8 ppb (10) N/A 9.0 μg/m3 (38) 71.0
 
Jan. 23, 2021, 3 a.m. 71.4 ppb (70) 46.3 ppb (44) N/A 25.0 ppb (24) N/A N/A N/A 0.69 ppb (8) N/A 7.0 μg/m3 (30) 70.0
 
Jan. 23, 2021, 2 a.m. 63.8 ppb (62) 39.0 ppb (37) N/A 25.0 ppb (24) N/A N/A N/A 0.62 ppb (7) N/A 2.0 μg/m3 (9) 62.0
 
Jan. 23, 2021, 1 a.m. 28.4 ppb (27) 5.8 ppb (6) N/A 23.0 ppb (22) N/A N/A N/A 0.43 ppb (5) N/A 4.0 μg/m3 (17) 27.0
 
Jan. 23, 2021, midnight 51.5 ppb (49) 23.7 ppb (23) N/A 28.0 ppb (27) N/A N/A N/A 0.54 ppb (6) N/A 1.0 μg/m3 (5) 49.0
 
Jan. 22, 2021, 11 p.m. 25.6 ppb (25) 5.3 ppb (5) N/A 20.0 ppb (19) N/A N/A N/A 0.36 ppb (5) N/A 2.0 μg/m3 (9) 25.0
 
Jan. 22, 2021, 10 p.m. 42.8 ppb (41) 21.9 ppb (21) N/A 21.0 ppb (20) N/A N/A N/A 0.56 ppb (7) N/A 5.0 μg/m3 (21) 41.0
 
Jan. 22, 2021, 9 p.m. 26.4 ppb (25) 12.8 ppb (13) N/A 14.0 ppb (14) N/A N/A N/A 0.38 ppb (5) N/A 1.0 μg/m3 (5) 25.0
 
Jan. 22, 2021, 8 p.m. 25.3 ppb (24) 12.9 ppb (13) N/A 12.0 ppb (12) N/A N/A N/A 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2021, 7 p.m. 23.3 ppb (22) 11.1 ppb (11) N/A 12.0 ppb (12) N/A N/A N/A 0.33 ppb (4) N/A 3.0 μg/m3 (13) 22.0
 
Jan. 22, 2021, 6 p.m. 22.6 ppb (22) 11.9 ppb (12) N/A 11.0 ppb (11) N/A N/A N/A 0.28 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2021, 5 p.m. 23.7 ppb (23) 13.3 ppb (13) N/A 11.0 ppb (11) N/A N/A N/A 0.31 ppb (4) N/A 5.0 μg/m3 (21) 23.0
 
Jan. 22, 2021, 4 p.m. 26.5 ppb (25) 16.4 ppb (16) N/A 10.0 ppb (10) N/A N/A N/A 0.3 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 22, 2021, 3 p.m. 45.3 ppb (43) 29.5 ppb (28) N/A 16.0 ppb (16) N/A N/A N/A 0.4 ppb (5) N/A 9.0 μg/m3 (38) 43.0
 
Jan. 22, 2021, 2 p.m. 97.2 ppb (98) 74.2 ppb (73) N/A 23.0 ppb (22) N/A N/A N/A 0.66 ppb (8) N/A 9.0 μg/m3 (38) 98.0
 
Jan. 22, 2021, 1 p.m. 121.5 ppb (105) 94.6 ppb (95) N/A 27.0 ppb (26) N/A N/A N/A 0.8 ppb (10) N/A 10.0 μg/m3 (42) 105.0
 
Jan. 22, 2021, noon 62.3 ppb (60) 39.8 ppb (38) N/A 22.0 ppb (21) N/A N/A N/A 0.55 ppb (7) N/A 9.0 μg/m3 (38) 60.0
 
Jan. 22, 2021, 11 a.m. 58.7 ppb (57) 37.1 ppb (35) N/A 22.0 ppb (21) N/A N/A N/A 0.51 ppb (6) N/A 5.0 μg/m3 (21) 57.0
 
Jan. 22, 2021, 10 a.m. 51.1 ppb (49) 30.1 ppb (29) N/A 21.0 ppb (20) N/A N/A N/A 0.37 ppb (5) N/A 5.0 μg/m3 (21) 49.0
 
Jan. 22, 2021, 9 a.m. 40.9 ppb (39) 20.3 ppb (20) N/A 21.0 ppb (20) N/A N/A N/A 0.3 ppb (4) N/A 5.0 μg/m3 (21) 39.0
 
Jan. 22, 2021, 8 a.m. 48.5 ppb (46) 26.5 ppb (25) N/A 22.0 ppb (21) N/A N/A N/A 0.41 ppb (5) N/A 4.0 μg/m3 (17) 46.0
 
Jan. 22, 2021, 7 a.m. 44.1 ppb (42) 23.1 ppb (22) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 42.0
 
Jan. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.35 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2021, 5 a.m. 21.8 ppb (21) 6.1 ppb (6) N/A 16.0 ppb (16) N/A N/A N/A 0.25 ppb (3) N/A 4.0 μg/m3 (17) 21.0
 
Jan. 22, 2021, 4 a.m. 24.1 ppb (23) 6.8 ppb (7) N/A 17.0 ppb (17) N/A N/A N/A 0.35 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 22, 2021, 3 a.m. 32.1 ppb (31) 13.5 ppb (13) 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
 
Jan. 22, 2021, 2 a.m. 31.4 ppb (30) 12.3 ppb (12) N/A 19.0 ppb (18) N/A N/A N/A 0.36 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 22, 2021, 1 a.m. 36.5 ppb (35) 16.3 ppb (16) N/A 20.0 ppb (19) N/A N/A N/A 0.42 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 22, 2021, midnight 41.5 ppb (40) 20.9 ppb (20) N/A 21.0 ppb (20) N/A N/A N/A 0.47 ppb (6) N/A 8.0 μg/m3 (34) 40.0
 
Jan. 21, 2021, 11 p.m. 49.7 ppb (47) 29.3 ppb (28) N/A 20.0 ppb (19) N/A N/A N/A 0.52 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2021, 10 p.m. 48.3 ppb (46) 26.1 ppb (25) N/A 22.0 ppb (21) N/A N/A N/A 0.56 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2021, 9 p.m. 45.2 ppb (43) 25.8 ppb (25) N/A 19.0 ppb (18) N/A N/A N/A 0.49 ppb (6) N/A 10.0 μg/m3 (42) 43.0
 
Jan. 21, 2021, 8 p.m. 41.4 ppb (40) 25.0 ppb (24) N/A 16.0 ppb (16) N/A N/A N/A 0.42 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 21, 2021, 7 p.m. 38.3 ppb (37) 22.1 ppb (21) N/A 16.0 ppb (16) N/A N/A N/A 0.36 ppb (5) N/A 7.0 μg/m3 (30) 37.0
 
Jan. 21, 2021, 6 p.m. 38.3 ppb (37) 21.3 ppb (21) N/A 17.0 ppb (17) N/A N/A N/A 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2021, 5 p.m. 29.1 ppb (28) 16.4 ppb (16) N/A 13.0 ppb (13) N/A N/A N/A 0.3 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 21, 2021, 4 p.m. 39.2 ppb (37) 24.7 ppb (24) N/A 14.0 ppb (14) N/A N/A N/A 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2021, 3 p.m. 42.5 ppb (41) 27.3 ppb (26) N/A 15.0 ppb (15) N/A N/A N/A 0.38 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 21, 2021, 2 p.m. 67.6 ppb (66) 43.8 ppb (42) N/A 24.0 ppb (23) N/A N/A N/A 0.48 ppb (6) N/A 15.0 μg/m3 (58) 66.0
 
Jan. 21, 2021, 1 p.m. 98.3 ppb (99) 70.7 ppb (69) N/A 28.0 ppb (27) N/A N/A N/A 0.6 ppb (7) N/A 12.0 μg/m3 (50) 99.0
 
Jan. 21, 2021, noon 101.9 ppb (102) 77.2 ppb (76) N/A 25.0 ppb (24) N/A N/A N/A 0.74 ppb (8) N/A 7.0 μg/m3 (30) 102.0
 
Jan. 21, 2021, 11 a.m. 53.5 ppb (51) 28.1 ppb (27) N/A 25.0 ppb (24) N/A N/A N/A 0.53 ppb (6) N/A 10.0 μg/m3 (42) 51.0
 
Jan. 21, 2021, 10 a.m. 58.2 ppb (56) 34.6 ppb (33) N/A 24.0 ppb (23) N/A N/A N/A 0.53 ppb (6) N/A 6.0 μg/m3 (25) 56.0
 
Jan. 21, 2021, 9 a.m. 40.9 ppb (39) 20.6 ppb (20) N/A 20.0 ppb (19) N/A N/A N/A 0.46 ppb (6) N/A 9.0 μg/m3 (38) 39.0
 
Jan. 21, 2021, 8 a.m. 38.1 ppb (36) 17.5 ppb (17) N/A 21.0 ppb (20) N/A N/A N/A 0.43 ppb (5) N/A 7.0 μg/m3 (30) 36.0
 
Jan. 21, 2021, 7 a.m. 31.9 ppb (31) 11.2 ppb (11) N/A 21.0 ppb (20) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.45 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2021, 5 a.m. 49.9 ppb (48) 28.4 ppb (27) N/A 22.0 ppb (21) N/A N/A N/A 0.45 ppb (6) N/A 6.0 μg/m3 (25) 48.0
 
Jan. 21, 2021, 4 a.m. 49.3 ppb (47) 27.6 ppb (27) N/A 22.0 ppb (21) N/A N/A N/A 0.47 ppb (6) N/A 3.0 μg/m3 (13) 47.0
 
Jan. 21, 2021, 3 a.m. 61.1 ppb (59) 37.5 ppb (36) N/A 24.0 ppb (23) N/A N/A N/A 0.54 ppb (6) N/A 4.0 μg/m3 (17) 59.0
 
Jan. 21, 2021, 2 a.m. 70.8 ppb (69) 45.3 ppb (43) N/A 25.0 ppb (24) N/A N/A N/A 0.61 ppb (7) N/A 6.0 μg/m3 (25) 69.0
 
Jan. 21, 2021, 1 a.m. 48.0 ppb (46) 24.1 ppb (23) N/A 24.0 ppb (23) N/A N/A N/A 0.43 ppb (5) N/A 4.0 μg/m3 (17) 46.0
 
Jan. 21, 2021, midnight 28.9 ppb (28) 10.6 ppb (10) N/A 18.0 ppb (17) N/A N/A N/A 0.31 ppb (4) N/A -2.0 μg/m3 (0) 28.0
 
Jan. 20, 2021, 11 p.m. 8.9 ppb (9) 0.8 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.21 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 20, 2021, 10 p.m. 7.0 ppb (7) 1.3 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2021, 9 p.m. 17.9 ppb (17) 7.5 ppb (8) N/A 10.0 ppb (10) N/A N/A N/A 0.27 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2021, 8 p.m. 22.9 ppb (22) 11.7 ppb (12) N/A 11.0 ppb (11) N/A N/A N/A 0.28 ppb (4) N/A 2.0 μg/m3 (9) 22.0
 
Jan. 20, 2021, 7 p.m. 18.4 ppb (18) 10.4 ppb (10) N/A 8.0 ppb (8) N/A N/A N/A 0.26 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.22 ppb (3) N/A N/A 3.0
 
Jan. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.25 ppb (3) N/A 0.0 μg/m3 (0) 3.0
 
Jan. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.22 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.39 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 20, 2021, 1 p.m. 54.5 ppb (52) 34.8 ppb (33) N/A 20.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A 9.0 μg/m3 (38) 52.0
 
Jan. 20, 2021, noon 54.4 ppb (52) 29.3 ppb (28) N/A 25.0 ppb (24) N/A N/A N/A 0.52 ppb (6) N/A 11.0 μg/m3 (46) 52.0
 
Jan. 20, 2021, 11 a.m. 48.7 ppb (46) 28.2 ppb (27) N/A 21.0 ppb (20) N/A N/A N/A 0.47 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2021, 10 a.m. 35.1 ppb (34) 17.4 ppb (17) N/A 18.0 ppb (17) N/A N/A N/A 0.31 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 20, 2021, 9 a.m. 20.4 ppb (20) 8.3 ppb (8) N/A 12.0 ppb (12) N/A N/A N/A 0.25 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2021, 8 a.m. 10.8 ppb (11) 3.6 ppb (4) N/A 7.0 ppb (7) N/A N/A N/A 0.21 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 20, 2021, 7 a.m. 9.6 ppb (10) 2.9 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2021, 5 a.m. 15.4 ppb (15) 5.9 ppb (6) N/A 9.0 ppb (9) N/A N/A N/A 0.22 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 20, 2021, 4 a.m. 15.8 ppb (15) 6.3 ppb (6) N/A 10.0 ppb (10) N/A N/A N/A 0.26 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2021, 3 a.m. 31.6 ppb (30) 13.9 ppb (14) N/A 18.0 ppb (17) N/A N/A N/A 0.38 ppb (5) N/A 6.0 μg/m3 (25) 30.0
 
Jan. 20, 2021, 2 a.m. 29.6 ppb (28) 12.9 ppb (13) N/A 17.0 ppb (17) N/A N/A N/A 0.32 ppb (4) N/A 5.0 μg/m3 (21) 28.0
 
Jan. 20, 2021, 1 a.m. 20.4 ppb (20) 4.2 ppb (4) N/A 16.0 ppb (16) N/A N/A N/A 0.29 ppb (4) N/A 4.0 μg/m3 (17) 20.0
 
Jan. 20, 2021, midnight 35.7 ppb (34) 12.3 ppb (12) N/A 23.0 ppb (22) N/A N/A N/A 0.39 ppb (5) N/A 7.0 μg/m3 (30) 34.0
 
Jan. 19, 2021, 11 p.m. 49.3 ppb (47) 24.1 ppb (23) N/A 25.0 ppb (24) N/A N/A N/A 0.48 ppb (6) N/A 2.0 μg/m3 (9) 47.0
 
Jan. 19, 2021, 10 p.m. 37.1 ppb (35) 19.8 ppb (19) N/A 17.0 ppb (17) N/A N/A N/A 0.44 ppb (5) N/A 7.0 μg/m3 (30) 35.0
 
Jan. 19, 2021, 9 p.m. 23.9 ppb (23) 13.6 ppb (13) N/A 10.0 ppb (10) N/A N/A N/A 0.34 ppb (4) N/A 0.0 μg/m3 (0) 23.0
 
Jan. 19, 2021, 8 p.m. 30.6 ppb (29) 18.0 ppb (17) N/A 13.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 6.0 μg/m3 (25) 29.0
 
Jan. 19, 2021, 7 p.m. 32.0 ppb (31) 18.7 ppb (18) N/A 13.0 ppb (13) N/A N/A N/A 0.36 ppb (5) N/A 6.0 μg/m3 (25) 31.0
 
Jan. 19, 2021, 6 p.m. 23.6 ppb (23) 14.0 ppb (14) N/A 10.0 ppb (10) N/A N/A N/A 0.25 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 19, 2021, 5 p.m. 24.6 ppb (24) 16.1 ppb (16) N/A 8.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2021, 4 p.m. 31.2 ppb (30) 19.1 ppb (19) N/A 12.0 ppb (12) N/A N/A N/A 0.29 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2021, 3 p.m. 43.4 ppb (41) 29.2 ppb (28) N/A 14.0 ppb (14) N/A N/A N/A 0.32 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2021, 2 p.m. 45.4 ppb (43) 30.2 ppb (29) N/A 15.0 ppb (15) N/A N/A N/A 0.37 ppb (5) N/A 9.0 μg/m3 (38) 43.0
 
Jan. 19, 2021, 1 p.m. 99.2 ppb (100) 77.1 ppb (76) N/A 22.0 ppb (21) N/A N/A N/A 0.66 ppb (8) N/A 8.0 μg/m3 (34) 100.0