ID: 2316

AQSQID: 371830021

Site Name: Triple Oak - Near Road

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

Updated: Oct. 16, 2021, 1:03 p.m.

Location: Morrisville (Dan K Moore Fwy), NC

Reporting: True, Located: True

Current AQI: 50.0

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
Oct. 16, 2021, 11 a.m. 25.7 ppb (25) 13.3 ppb (13) N/A 12.0 ppb (12) N/A N/A N/A 0.48 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 16, 2021, 10 a.m. 16.4 ppb (16) 6.9 ppb (7) N/A 9.0 ppb (9) N/A N/A N/A 0.39 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
Oct. 16, 2021, 9 a.m. 11.8 ppb (12) 3.1 ppb (3) N/A 9.0 ppb (9) N/A N/A N/A 0.31 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 16, 2021, 8 a.m. 4.8 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 16, 2021, 7 a.m. 7.5 ppb (8) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Oct. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 16, 2021, 5 a.m. 11.8 ppb (12) 3.0 ppb (3) N/A 9.0 ppb (9) N/A N/A N/A 0.3 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 16, 2021, 4 a.m. 11.8 ppb (12) 2.0 ppb (2) N/A 10.0 ppb (10) N/A N/A N/A 0.36 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 16, 2021, 3 a.m. 14.7 ppb (14) 2.3 ppb (3) N/A 12.0 ppb (12) N/A N/A N/A 0.46 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 16, 2021, 2 a.m. 14.6 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (14) N/A N/A N/A 0.46 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 16, 2021, 1 a.m. 12.9 ppb (13) 0.7 ppb (1) N/A 12.0 ppb (12) N/A N/A N/A 0.43 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 16, 2021, midnight 15.5 ppb (15) 0.8 ppb (1) N/A 15.0 ppb (15) N/A N/A N/A 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2021, 11 p.m. 8.7 ppb (9) 0.7 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2021, 10 p.m. 5.7 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.28 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 15, 2021, 9 p.m. 9.0 ppb (9) 2.5 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A 0.3 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 15, 2021, 8 p.m. 10.1 ppb (10) 3.6 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.33 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2021, 7 p.m. 15.4 ppb (15) 4.7 ppb (5) N/A 11.0 ppb (11) N/A N/A N/A 0.42 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2021, 6 p.m. 17.2 ppb (17) 6.5 ppb (7) N/A 11.0 ppb (11) N/A N/A N/A 0.42 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 15, 2021, 5 p.m. 19.9 ppb (19) 8.3 ppb (8) N/A 12.0 ppb (12) N/A N/A N/A 0.44 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2021, 4 p.m. 22.3 ppb (22) 9.9 ppb (10) N/A 12.0 ppb (12) N/A N/A N/A 0.4 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 15, 2021, 3 p.m. 26.6 ppb (26) 12.9 ppb (13) N/A 14.0 ppb (14) N/A N/A N/A 0.45 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 15, 2021, 2 p.m. 50.5 ppb (48) 30.5 ppb (29) N/A 20.0 ppb (19) N/A N/A N/A 0.63 ppb (7) N/A 8.0 μg/m3 (34) 48.0
 
Oct. 15, 2021, 1 p.m. 58.2 ppb (56) 48.5 ppb (46) N/A 10.0 ppb (10) N/A N/A N/A 0.78 ppb (10) N/A 9.0 μg/m3 (38) 56.0
 
Oct. 15, 2021, noon 85.9 ppb (85) 81.0 ppb (80) N/A 5.0 ppb (5) N/A N/A N/A 0.94 ppb (11) N/A 11.0 μg/m3 (46) 85.0
 
Oct. 15, 2021, 11 a.m. 88.5 ppb (88) 82.1 ppb (81) N/A 6.0 ppb (6) N/A N/A N/A 0.97 ppb (12) N/A 8.0 μg/m3 (34) 88.0
 
Oct. 15, 2021, 10 a.m. 73.9 ppb (73) 67.5 ppb (66) N/A 6.0 ppb (6) N/A N/A N/A 0.81 ppb (10) N/A 8.0 μg/m3 (34) 73.0
 
Oct. 15, 2021, 9 a.m. 19.2 ppb (19) 15.1 ppb (15) N/A 4.0 ppb (4) N/A N/A N/A 0.39 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2021, 8 a.m. 29.4 ppb (28) 24.0 ppb (23) N/A 5.0 ppb (5) N/A N/A N/A 0.45 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2021, 7 a.m. 26.7 ppb (26) 20.6 ppb (20) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.49 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 15, 2021, 5 a.m. 25.3 ppb (24) 15.7 ppb (15) N/A 10.0 ppb (10) N/A N/A N/A 0.56 ppb (7) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 15, 2021, 4 a.m. 28.6 ppb (27) 17.1 ppb (17) N/A 11.0 ppb (11) N/A N/A N/A 0.59 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2021, 3 a.m. 33.6 ppb (32) 20.7 ppb (20) N/A 13.0 ppb (13) N/A N/A N/A 0.69 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 15, 2021, 2 a.m. 22.2 ppb (21) 9.0 ppb (9) N/A 13.0 ppb (13) N/A N/A N/A 0.48 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 15, 2021, 1 a.m. 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 15, 2021, midnight 5.3 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.27 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 14, 2021, 11 p.m. 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 14, 2021, 10 p.m. 1.9 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.2 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, 9 p.m. 1.5 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.18 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 14, 2021, 8 p.m. 1.9 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.18 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 14, 2021, 7 p.m. 6.5 ppb (7) 2.2 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.26 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 14, 2021, 6 p.m. 6.1 ppb (6) 2.2 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.25 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 14, 2021, 5 p.m. 8.3 ppb (8) 3.4 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.27 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 14, 2021, 4 p.m. 11.4 ppb (11) 6.0 ppb (6) N/A 5.0 ppb (5) N/A N/A N/A 0.29 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 14, 2021, 3 p.m. 13.6 ppb (13) 7.3 ppb (7) N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 14, 2021, 2 p.m. 16.1 ppb (16) 8.1 ppb (8) N/A 8.0 ppb (8) N/A N/A N/A 0.33 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, 1 p.m. 29.5 ppb (28) 18.5 ppb (18) N/A 11.0 ppb (11) N/A N/A N/A 0.51 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 14, 2021, noon 46.0 ppb (44) 41.1 ppb (39) N/A 5.0 ppb (5) N/A N/A N/A 0.69 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Oct. 14, 2021, 11 a.m. 67.6 ppb (66) 60.2 ppb (58) N/A 7.0 ppb (7) N/A N/A N/A 0.83 ppb (10) N/A 13.0 μg/m3 (53) 66.0
 
Oct. 14, 2021, 10 a.m. 66.5 ppb (65) 58.8 ppb (57) N/A 8.0 ppb (8) N/A N/A N/A 0.8 ppb (10) N/A 10.0 μg/m3 (42) 65.0
 
Oct. 14, 2021, 9 a.m. 33.8 ppb (32) 29.3 ppb (28) N/A 5.0 ppb (5) N/A N/A N/A 0.51 ppb (6) N/A 7.0 μg/m3 (30) 32.0
 
Oct. 14, 2021, 8 a.m. 21.1 ppb (20) 16.5 ppb (16) N/A 5.0 ppb (5) N/A N/A N/A 0.4 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 14, 2021, 7 a.m. 14.1 ppb (14) 9.2 ppb (9) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 14, 2021, 5 a.m. 11.9 ppb (12) 3.5 ppb (4) N/A 8.0 ppb (8) N/A N/A N/A 0.41 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 14, 2021, 4 a.m. 7.2 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.37 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, 3 a.m. 7.2 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.38 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 14, 2021, 2 a.m. 10.5 ppb (10) 1.2 ppb (2) N/A 9.0 ppb (9) N/A N/A N/A 0.42 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, 1 a.m. 18.5 ppb (18) 4.0 ppb (4) N/A 14.0 ppb (14) N/A N/A N/A 0.5 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, midnight 22.7 ppb (22) 4.5 ppb (5) N/A 18.0 ppb (17) N/A N/A N/A 0.53 ppb (6) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 13, 2021, 11 p.m. 8.9 ppb (9) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.38 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, 10 p.m. 3.2 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 13, 2021, 9 p.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.22 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, 8 p.m. 8.1 ppb (8) 3.1 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.27 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Oct. 13, 2021, 7 p.m. 8.6 ppb (9) 3.8 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.27 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 13, 2021, 6 p.m. 18.7 ppb (18) 8.9 ppb (9) N/A 10.0 ppb (10) N/A N/A N/A 0.39 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 13, 2021, 5 p.m. 12.9 ppb (13) 5.8 ppb (6) N/A 7.0 ppb (7) N/A N/A N/A 0.34 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 13, 2021, 4 p.m. 20.0 ppb (19) 9.8 ppb (10) N/A 10.0 ppb (10) N/A N/A N/A 0.34 ppb (4) N/A 3.0 μg/m3 (13) 19.0
 
Oct. 13, 2021, 3 p.m. 20.4 ppb (20) 11.4 ppb (11) N/A 9.0 ppb (9) N/A N/A N/A 0.32 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 13, 2021, 2 p.m. 29.0 ppb (28) 18.8 ppb (18) N/A 10.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A 5.0 μg/m3 (21) 28.0
 
Oct. 13, 2021, 1 p.m. 67.7 ppb (66) 55.5 ppb (53) N/A 12.0 ppb (12) N/A N/A N/A 0.76 ppb (10) N/A 7.0 μg/m3 (30) 66.0
 
Oct. 13, 2021, noon 79.6 ppb (79) 73.5 ppb (72) N/A 6.0 ppb (6) N/A N/A N/A 0.82 ppb (10) N/A 8.0 μg/m3 (34) 79.0
 
Oct. 13, 2021, 11 a.m. 74.2 ppb (73) 69.7 ppb (68) N/A 5.0 ppb (5) N/A N/A N/A 0.77 ppb (10) N/A 7.0 μg/m3 (30) 73.0
 
Oct. 13, 2021, 10 a.m. 56.3 ppb (54) 51.5 ppb (49) N/A 5.0 ppb (5) N/A N/A N/A 0.56 ppb (7) N/A 6.0 μg/m3 (25) 54.0
 
Oct. 13, 2021, 9 a.m. 36.9 ppb (35) 31.8 ppb (30) N/A 5.0 ppb (5) N/A N/A N/A 0.44 ppb (5) N/A 5.0 μg/m3 (21) 35.0
 
Oct. 13, 2021, 8 a.m. 19.6 ppb (19) 15.2 ppb (15) N/A 4.0 ppb (4) N/A N/A N/A 0.31 ppb (4) N/A 4.0 μg/m3 (17) 19.0
 
Oct. 13, 2021, 7 a.m. 8.9 ppb (9) 4.7 ppb (5) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.33 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 13, 2021, 5 a.m. 11.5 ppb (11) 3.7 ppb (4) N/A 8.0 ppb (8) N/A N/A N/A 0.34 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 13, 2021, 4 a.m. 20.1 ppb (19) 10.9 ppb (11) N/A 9.0 ppb (9) N/A N/A N/A 0.45 ppb (6) N/A 0.0 μg/m3 (0) 19.0
 
Oct. 13, 2021, 3 a.m. 10.8 ppb (11) 2.4 ppb (3) N/A 8.0 ppb (8) N/A N/A N/A 0.32 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 13, 2021, 2 a.m. 10.0 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (9) N/A N/A N/A 0.26 ppb (4) N/A 2.0 μg/m3 (9) 10.0
 
Oct. 13, 2021, 1 a.m. 4.5 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 13, 2021, midnight 3.0 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.19 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 12, 2021, 11 p.m. 4.0 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.2 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 12, 2021, 10 p.m. 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 12, 2021, 9 p.m. 2.5 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (3) N/A 0.0 μg/m3 (0) 3.0
 
Oct. 12, 2021, 8 p.m. 3.5 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 12, 2021, 7 p.m. 9.6 ppb (10) 4.5 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A 0.25 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 12, 2021, 6 p.m. 10.2 ppb (10) 4.5 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (4) N/A -2.0 μg/m3 (0) 10.0
 
Oct. 12, 2021, 5 p.m. 12.4 ppb (12) 5.9 ppb (6) N/A 7.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 12, 2021, 4 p.m. 11.8 ppb (12) 6.3 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 12, 2021, 3 p.m. 10.4 ppb (10) 5.0 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 12, 2021, 2 p.m. 6.0 ppb (6) 3.2 ppb (4) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Oct. 12, 2021, 1 p.m. 17.1 ppb (17) 8.6 ppb (9) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 17.0
 
Oct. 12, 2021, noon 9.1 ppb (9) 4.1 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 9.0
 
Oct. 12, 2021, 11 a.m. 9.4 ppb (9) 4.0 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 12, 2021, 10 a.m. 7.9 ppb (8) 3.4 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 12, 2021, 9 a.m. 5.8 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 12, 2021, 8 a.m. 3.2 ppb (4) 0.9 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
 
Oct. 12, 2021, 7 a.m. 3.6 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Oct. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Oct. 12, 2021, 5 a.m. 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
Oct. 12, 2021, 4 a.m. 2.3 ppb (3) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 12, 2021, 3 a.m. 4.0 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
Oct. 12, 2021, 1 a.m. 3.9 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
Oct. 12, 2021, midnight 2.7 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 11, 2021, 11 p.m. 2.8 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Oct. 11, 2021, 10 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Oct. 11, 2021, 9 p.m. 2.5 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 3.0
 
Oct. 11, 2021, 8 p.m. 3.8 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 11, 2021, 7 p.m. 5.4 ppb (6) 2.7 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 11, 2021, 6 p.m. 4.5 ppb (5) 2.1 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 5.0
 
Oct. 11, 2021, 5 p.m. 6.5 ppb (7) 3.5 ppb (4) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Oct. 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 0.0
Oct. 11, 2021, 2 p.m. 4.5 ppb (5) 2.1 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 5.0
 
Oct. 11, 2021, 1 p.m. 7.3 ppb (7) 3.5 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 7.0
 
Oct. 11, 2021, noon 7.8 ppb (8) 3.3 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (3) N/A -1.0 μg/m3 (0) 8.0
 
Oct. 11, 2021, 11 a.m. 11.1 ppb (11) 4.7 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 11, 2021, 10 a.m. 6.7 ppb (7) 3.5 ppb (4) N/A 3.0 ppb (3) N/A N/A N/A 0.19 ppb (3) N/A 1.0 μg/m3 (5) 7.0
 
Oct. 11, 2021, 9 a.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.17 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 11, 2021, 8 a.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.14 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 11, 2021, 7 a.m. 1.5 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 11, 2021, 5 a.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.16 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 11, 2021, 4 a.m. 1.6 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.18 ppb (3) N/A 1.0 μg/m3 (5) 5.0
 
Oct. 11, 2021, 3 a.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.17 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 11, 2021, 2 a.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.17 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 11, 2021, 1 a.m. 2.3 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.18 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 11, 2021, midnight 2.3 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.2 ppb (3) N/A 1.0 μg/m3 (5) 5.0
 
Oct. 10, 2021, 11 p.m. 2.6 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.21 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 10, 2021, 10 p.m. 2.4 ppb (3) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.21 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 10, 2021, 9 p.m. 2.1 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 0.19 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 10, 2021, 8 p.m. 1.8 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.17 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 10, 2021, 7 p.m. 2.8 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 0.19 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 10, 2021, 6 p.m. 1.8 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.18 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 10, 2021, 5 p.m. 2.1 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 0.19 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 10, 2021, 4 p.m. 2.6 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 0.19 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 10, 2021, 3 p.m. 3.1 ppb (3) 1.6 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.2 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 10, 2021, 2 p.m. 3.1 ppb (3) 1.4 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 10, 2021, 1 p.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.18 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 10, 2021, noon 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.17 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 10, 2021, 11 a.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.17 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 10, 2021, 10 a.m. 1.0 ppb (1) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.16 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 10, 2021, 9 a.m. 1.0 ppb (1) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.15 ppb (2) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 10, 2021, 8 a.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A 0.13 ppb (2) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 10, 2021, 7 a.m. 1.0 ppb (1) 0.5 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 10, 2021, 6 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 (13) 13.0
 
Oct. 10, 2021, 5 a.m. 0.9 ppb (1) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.15 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 10, 2021, 4 a.m. 1.1 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.15 ppb (2) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 10, 2021, 3 a.m. 1.4 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.16 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 10, 2021, 2 a.m. 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.17 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 10, 2021, 1 a.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.16 ppb (3) N/A -1.0 μg/m3 (0) 3.0
 
Oct. 10, 2021, midnight 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.16 ppb (3) N/A 0.0 μg/m3 (0) 3.0
 
Oct. 9, 2021, 11 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.16 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 9, 2021, 10 p.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.18 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 9, 2021, 9 p.m. 2.6 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (3) N/A 1.0 μg/m3 (5) 5.0
 
Oct. 9, 2021, 8 p.m. 2.5 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 0.17 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 9, 2021, 7 p.m. 3.4 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 9, 2021, 6 p.m. 2.4 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 0.18 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 9, 2021, 5 p.m. 4.3 ppb (5) 2.2 ppb (3) N/A 2.0 ppb (2) N/A N/A N/A 0.21 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 9, 2021, 4 p.m. 3.4 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.22 ppb (3) N/A 1.0 μg/m3 (5) 5.0
 
Oct. 9, 2021, 3 p.m. 5.4 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.24 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 9, 2021, 2 p.m. 8.7 ppb (9) 2.3 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 9, 2021, 1 p.m. 11.8 ppb (12) 4.4 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.31 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 9, 2021, noon 5.1 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 9, 2021, 11 a.m. 3.3 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (3) N/A 2.0 μg/m3 (9) 9.0