ID: 2316

AQSQID: 371830021

Site Name: Triple Oak - Near Road

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

Updated: Sept. 28, 2020, 10:38 a.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
Sept. 28, 2020, 9 a.m. 19.7 ppb (18) 14.3 ppb (13) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 28, 2020, 8 a.m. 11.8 ppb (11) 8.0 ppb (7) N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 28, 2020, 7 a.m. 6.5 ppb (6) 2.7 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 28, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.21 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 28, 2020, 5 a.m. 9.8 ppb (9) 4.4 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 28, 2020, 4 a.m. 12.1 ppb (11) 5.7 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.27 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 28, 2020, 3 a.m. 26.9 ppb (25) 16.3 ppb (15) N/A 11.0 ppb (10) N/A N/A N/A 0.3 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 28, 2020, 2 a.m. 20.4 ppb (19) 11.8 ppb (11) N/A 9.0 ppb (8) N/A N/A N/A 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 28, 2020, 1 a.m. 21.2 ppb (20) 13.7 ppb (13) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 28, 2020, midnight 8.5 ppb (8) 1.9 ppb (2) 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
 
Sept. 27, 2020, 11 p.m. 5.5 ppb (5) 1.6 ppb (1) 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
 
Sept. 27, 2020, 10 p.m. 15.7 ppb (15) 7.6 ppb (7) N/A 8.0 ppb (7) N/A N/A N/A 0.36 ppb (4) N/A 2.0 μg/m3 (8) 15.0
 
Sept. 27, 2020, 9 p.m. 18.2 ppb (17) 9.1 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A 2.0 μg/m3 (8) 17.0
 
Sept. 27, 2020, 8 p.m. 13.4 ppb (12) 6.5 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.34 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 27, 2020, 7 p.m. 11.2 ppb (10) 5.6 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.34 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 27, 2020, 6 p.m. 12.6 ppb (12) 6.6 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A 0.32 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 27, 2020, 5 p.m. 14.4 ppb (13) 7.2 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 27, 2020, 4 p.m. 10.1 ppb (9) 4.8 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (3) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 27, 2020, 3 p.m. 4.8 ppb (4) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 27, 2020, 2 p.m. 8.8 ppb (8) 3.9 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 27, 2020, 1 p.m. 25.4 ppb (24) 18.9 ppb (18) N/A 6.0 ppb (6) N/A N/A N/A 0.49 ppb (5) N/A 4.0 μg/m3 (17) 24.0
 
Sept. 27, 2020, noon 29.7 ppb (28) 25.3 ppb (23) N/A 4.0 ppb (4) N/A N/A N/A 0.57 ppb (6) N/A 2.0 μg/m3 (8) 28.0
 
Sept. 27, 2020, 11 a.m. 12.5 ppb (12) 9.0 ppb (8) N/A 4.0 ppb (4) N/A N/A N/A 0.41 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 27, 2020, 10 a.m. 19.6 ppb (18) 15.2 ppb (14) N/A 4.0 ppb (4) N/A N/A N/A 0.45 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 27, 2020, 9 a.m. 24.6 ppb (23) 20.9 ppb (19) N/A 4.0 ppb (4) N/A N/A N/A 0.49 ppb (5) N/A 0.0 μg/m3 (0) 23.0
 
Sept. 27, 2020, 8 a.m. 17.0 ppb (16) 14.0 ppb (13) N/A 3.0 ppb (3) N/A N/A N/A 0.41 ppb (5) N/A 2.0 μg/m3 (8) 16.0
 
Sept. 27, 2020, 7 a.m. 17.6 ppb (16) 14.4 ppb (13) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 16.0
 
Sept. 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.46 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 27, 2020, 5 a.m. 14.6 ppb (14) 11.3 ppb (10) N/A 3.0 ppb (3) N/A N/A N/A 0.48 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 27, 2020, 4 a.m. 12.6 ppb (12) 9.7 ppb (9) N/A 3.0 ppb (3) N/A N/A N/A 0.43 ppb (5) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 27, 2020, 3 a.m. 15.1 ppb (14) 11.3 ppb (10) N/A 4.0 ppb (4) N/A N/A N/A 0.46 ppb (5) N/A 1.0 μg/m3 (4) 14.0
 
Sept. 27, 2020, 2 a.m. 17.4 ppb (16) 13.6 ppb (13) N/A 4.0 ppb (4) N/A N/A N/A 0.47 ppb (5) N/A 3.0 μg/m3 (12) 16.0
 
Sept. 27, 2020, 1 a.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.25 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 27, 2020, midnight 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 26, 2020, 11 p.m. 1.8 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.22 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 26, 2020, 10 p.m. 1.9 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.21 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 26, 2020, 9 p.m. 4.8 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.22 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 26, 2020, 8 p.m. 4.3 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 26, 2020, 7 p.m. 3.7 ppb (3) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (2) N/A 0.0 μg/m3 (0) 3.0
 
Sept. 26, 2020, 6 p.m. 5.9 ppb (5) 3.3 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A 0.22 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 26, 2020, 5 p.m. 6.5 ppb (6) 3.5 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A 0.25 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 26, 2020, 4 p.m. 8.8 ppb (8) 4.8 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 26, 2020, 3 p.m. 7.1 ppb (7) 3.7 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A 0.25 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 26, 2020, 2 p.m. 6.8 ppb (6) 3.9 ppb (4) N/A 3.0 ppb (3) N/A N/A N/A 0.27 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 26, 2020, 1 p.m. 6.4 ppb (6) 3.5 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A 0.25 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 26, 2020, noon 9.1 ppb (8) 4.9 ppb (5) N/A 4.0 ppb (4) N/A N/A N/A 0.25 ppb (3) N/A 1.0 μg/m3 (4) 8.0
 
Sept. 26, 2020, 11 a.m. 8.2 ppb (8) 3.8 ppb (4) 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
 
Sept. 26, 2020, 10 a.m. 6.1 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 26, 2020, 9 a.m. 4.2 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (2) N/A -1.0 μg/m3 (0) 4.0
 
Sept. 26, 2020, 8 a.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.18 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Sept. 26, 2020, 7 a.m. 3.9 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.22 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 26, 2020, 5 a.m. 3.5 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 26, 2020, 4 a.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.22 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 26, 2020, 3 a.m. 5.4 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 26, 2020, 2 a.m. 6.8 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 26, 2020, 1 a.m. 17.3 ppb (16) 6.4 ppb (6) N/A 11.0 ppb (10) N/A N/A N/A 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 26, 2020, midnight 11.2 ppb (10) 3.8 ppb (4) 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
 
Sept. 25, 2020, 11 p.m. 9.6 ppb (9) 3.9 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 25, 2020, 10 p.m. 6.1 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 9 p.m. 12.7 ppb (12) 5.4 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A 0.26 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 8 p.m. 18.3 ppb (17) 8.6 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 7 p.m. 18.6 ppb (17) 9.6 ppb (9) N/A 9.0 ppb (8) N/A N/A N/A 0.31 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 25, 2020, 6 p.m. 19.5 ppb (18) 10.5 ppb (10) N/A 9.0 ppb (8) N/A N/A N/A 0.31 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 25, 2020, 5 p.m. 19.1 ppb (18) 10.2 ppb (9) N/A 9.0 ppb (8) N/A N/A N/A 0.28 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 25, 2020, 4 p.m. 19.2 ppb (18) 10.0 ppb (9) N/A 9.0 ppb (8) N/A N/A N/A 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 25, 2020, 3 p.m. 29.7 ppb (28) 15.0 ppb (14) N/A 15.0 ppb (14) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 28.0
 
Sept. 25, 2020, 2 p.m. 10.1 ppb (9) 5.0 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 1 p.m. 13.4 ppb (12) 6.4 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.26 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 25, 2020, noon 16.1 ppb (15) 7.0 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.28 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 25, 2020, 11 a.m. 18.6 ppb (17) 8.3 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.29 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 25, 2020, 10 a.m. 10.5 ppb (10) 3.5 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.27 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 25, 2020, 9 a.m. 9.4 ppb (9) 4.3 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.27 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 25, 2020, 8 a.m. 4.7 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.25 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 25, 2020, 7 a.m. 5.2 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 25, 2020, 5 a.m. 8.9 ppb (8) 3.9 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.33 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 25, 2020, 4 a.m. 5.9 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.35 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 25, 2020, 3 a.m. 10.2 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.37 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 25, 2020, 2 a.m. 11.7 ppb (11) 1.4 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A 0.32 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 25, 2020, 1 a.m. 8.0 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.29 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 25, 2020, midnight 12.5 ppb (12) 3.6 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.35 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 24, 2020, 11 p.m. 12.2 ppb (11) 1.4 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.37 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 24, 2020, 10 p.m. 14.6 ppb (14) 5.1 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 24, 2020, 9 p.m. 9.7 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.29 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 24, 2020, 8 p.m. 21.6 ppb (20) 10.2 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A 0.36 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
Sept. 24, 2020, 7 p.m. 27.5 ppb (25) 13.6 ppb (13) N/A 14.0 ppb (13) N/A N/A N/A 0.41 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 24, 2020, 6 p.m. 41.6 ppb (39) 24.8 ppb (23) N/A 17.0 ppb (16) N/A N/A N/A 0.47 ppb (5) N/A 18.0 μg/m3 (63) 63.0
 
Sept. 24, 2020, 5 p.m. 36.9 ppb (34) 23.2 ppb (21) N/A 14.0 ppb (13) N/A N/A N/A 0.43 ppb (5) N/A 23.0 μg/m3 (73) 73.0
 
Sept. 24, 2020, 4 p.m. 49.7 ppb (46) 33.0 ppb (31) N/A 17.0 ppb (16) N/A N/A N/A 0.44 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
Sept. 24, 2020, 3 p.m. 45.7 ppb (42) 30.6 ppb (28) N/A 15.0 ppb (14) N/A N/A N/A 0.42 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
Sept. 24, 2020, 2 p.m. 53.2 ppb (49) 36.5 ppb (34) N/A 17.0 ppb (16) N/A N/A N/A 0.42 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 24, 2020, 1 p.m. 51.2 ppb (47) 35.4 ppb (33) N/A 16.0 ppb (15) N/A N/A N/A 0.48 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 24, 2020, noon 65.8 ppb (63) 49.9 ppb (46) N/A 16.0 ppb (15) N/A N/A N/A 0.59 ppb (7) N/A 14.0 μg/m3 (54) 63.0
 
Sept. 24, 2020, 11 a.m. 70.5 ppb (68) 57.1 ppb (53) N/A 13.0 ppb (12) N/A N/A N/A 0.66 ppb (7) N/A 12.0 μg/m3 (50) 68.0
 
Sept. 24, 2020, 10 a.m. 57.9 ppb (54) 46.3 ppb (43) N/A 12.0 ppb (11) N/A N/A N/A 0.56 ppb (6) N/A 10.0 μg/m3 (42) 54.0
 
Sept. 24, 2020, 9 a.m. 30.6 ppb (28) 20.9 ppb (19) N/A 10.0 ppb (9) N/A N/A N/A 0.36 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 24, 2020, 8 a.m. 27.4 ppb (25) 17.0 ppb (16) N/A 10.0 ppb (9) N/A N/A N/A 0.34 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 24, 2020, 7 a.m. 22.3 ppb (21) 10.9 ppb (10) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.35 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 24, 2020, 5 a.m. 23.9 ppb (22) 11.8 ppb (11) N/A 12.0 ppb (11) N/A N/A N/A 0.36 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 24, 2020, 4 a.m. 16.1 ppb (15) 5.8 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.36 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 24, 2020, 3 a.m. 29.4 ppb (27) 18.3 ppb (17) N/A 11.0 ppb (10) N/A N/A N/A 0.46 ppb (5) N/A 6.0 μg/m3 (25) 27.0
 
Sept. 24, 2020, 2 a.m. 29.7 ppb (28) 16.3 ppb (15) N/A 13.0 ppb (12) N/A N/A N/A 0.41 ppb (5) N/A 3.0 μg/m3 (12) 28.0
 
Sept. 24, 2020, 1 a.m. 32.1 ppb (30) 13.7 ppb (13) N/A 18.0 ppb (17) N/A N/A N/A 0.43 ppb (5) N/A 4.0 μg/m3 (17) 30.0
 
Sept. 24, 2020, midnight 14.7 ppb (14) 1.2 ppb (1) N/A 13.0 ppb (12) N/A N/A N/A 0.3 ppb (3) N/A 1.0 μg/m3 (4) 14.0
 
Sept. 23, 2020, 11 p.m. 8.2 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 23, 2020, 10 p.m. 15.4 ppb (14) 5.5 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.36 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 23, 2020, 9 p.m. 33.0 ppb (31) 16.8 ppb (16) N/A 16.0 ppb (15) N/A N/A N/A 0.47 ppb (5) N/A 5.0 μg/m3 (21) 31.0
 
Sept. 23, 2020, 8 p.m. 27.8 ppb (26) 13.1 ppb (12) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 23, 2020, 7 p.m. 30.6 ppb (28) 14.7 ppb (14) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 28.0
 
Sept. 23, 2020, 6 p.m. 27.7 ppb (26) 14.2 ppb (13) N/A 13.0 ppb (12) N/A N/A N/A 0.33 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 23, 2020, 5 p.m. 32.4 ppb (30) 17.5 ppb (16) N/A 15.0 ppb (14) N/A N/A N/A 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 23, 2020, 4 p.m. 37.8 ppb (35) 20.6 ppb (19) N/A 17.0 ppb (16) N/A N/A N/A 0.4 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 23, 2020, 3 p.m. 51.5 ppb (48) 35.9 ppb (33) N/A 16.0 ppb (15) N/A N/A N/A 0.46 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 23, 2020, 2 p.m. 63.3 ppb (60) 47.7 ppb (44) N/A 16.0 ppb (15) N/A N/A N/A 0.52 ppb (6) N/A 10.0 μg/m3 (42) 60.0
 
Sept. 23, 2020, 1 p.m. 47.0 ppb (44) 31.3 ppb (29) N/A 16.0 ppb (15) N/A N/A N/A 0.48 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 23, 2020, noon 83.7 ppb (82) 68.5 ppb (65) N/A 15.0 ppb (14) N/A N/A N/A 0.57 ppb (6) N/A 10.0 μg/m3 (42) 82.0
 
Sept. 23, 2020, 11 a.m. 76.2 ppb (74) 64.5 ppb (61) N/A 12.0 ppb (11) N/A N/A N/A 0.59 ppb (7) N/A 8.0 μg/m3 (33) 74.0
 
Sept. 23, 2020, 10 a.m. 47.0 ppb (44) 38.3 ppb (35) N/A 9.0 ppb (8) N/A N/A N/A 0.42 ppb (5) N/A 7.0 μg/m3 (29) 44.0
 
Sept. 23, 2020, 9 a.m. 41.8 ppb (39) 32.8 ppb (30) N/A 9.0 ppb (8) N/A N/A N/A 0.37 ppb (4) N/A 9.0 μg/m3 (38) 39.0
 
Sept. 23, 2020, 8 a.m. 30.1 ppb (28) 20.8 ppb (19) N/A 9.0 ppb (8) N/A N/A N/A 0.24 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 23, 2020, 7 a.m. 16.9 ppb (16) 7.1 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 23, 2020, 5 a.m. 35.3 ppb (33) 22.9 ppb (21) N/A 12.0 ppb (11) N/A N/A N/A 0.34 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 23, 2020, 4 a.m. 34.2 ppb (32) 18.7 ppb (17) N/A 15.0 ppb (14) N/A N/A N/A 0.38 ppb (4) N/A 3.0 μg/m3 (12) 32.0
 
Sept. 23, 2020, 3 a.m. 34.0 ppb (31) 18.0 ppb (17) N/A 16.0 ppb (15) N/A N/A N/A 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 23, 2020, 2 a.m. 54.9 ppb (51) 35.9 ppb (33) N/A 19.0 ppb (18) N/A N/A N/A 0.46 ppb (5) N/A 8.0 μg/m3 (33) 51.0
 
Sept. 23, 2020, 1 a.m. 50.8 ppb (47) 26.1 ppb (24) N/A 25.0 ppb (23) N/A N/A N/A 0.4 ppb (4) N/A 4.0 μg/m3 (17) 47.0
 
Sept. 23, 2020, midnight 23.7 ppb (22) 4.1 ppb (4) N/A 20.0 ppb (19) N/A N/A N/A 0.3 ppb (3) N/A 0.0 μg/m3 (0) 22.0
 
Sept. 22, 2020, 11 p.m. 5.9 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 22, 2020, 10 p.m. 26.9 ppb (25) 11.7 ppb (11) N/A 15.0 ppb (14) N/A N/A N/A 0.44 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 22, 2020, 9 p.m. 27.9 ppb (26) 13.9 ppb (13) N/A 14.0 ppb (13) N/A N/A N/A 0.38 ppb (4) N/A 6.0 μg/m3 (25) 26.0
 
Sept. 22, 2020, 8 p.m. 26.7 ppb (25) 13.2 ppb (12) N/A 13.0 ppb (12) N/A N/A N/A 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2020, 7 p.m. 17.9 ppb (17) 8.7 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.27 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, 6 p.m. 17.6 ppb (16) 9.7 ppb (9) N/A 8.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 22, 2020, 5 p.m. 17.7 ppb (16) 8.7 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.23 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 22, 2020, 4 p.m. 13.5 ppb (12) 6.1 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 12.0
 
Sept. 22, 2020, 3 p.m. 10.7 ppb (10) 5.1 ppb (5) 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
 
Sept. 22, 2020, 2 p.m. 16.4 ppb (15) 8.8 ppb (8) N/A 8.0 ppb (7) N/A N/A N/A 0.26 ppb (3) N/A 1.0 μg/m3 (4) 15.0
 
Sept. 22, 2020, 1 p.m. 16.6 ppb (15) 7.9 ppb (7) N/A 9.0 ppb (8) N/A N/A N/A 0.26 ppb (3) N/A 2.0 μg/m3 (8) 15.0
 
Sept. 22, 2020, noon 21.3 ppb (20) 11.7 ppb (11) 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
 
Sept. 22, 2020, 11 a.m. 9.6 ppb (9) 2.5 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 22, 2020, 10 a.m. 4.9 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 22, 2020, 9 a.m. 3.9 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, 8 a.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 22, 2020, 7 a.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 22, 2020, 5 a.m. 3.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 22, 2020, 4 a.m. 2.4 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.15 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 22, 2020, 3 a.m. 2.6 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.16 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 22, 2020, 2 a.m. 2.6 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 22, 2020, 1 a.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 22, 2020, midnight 2.6 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.16 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 21, 2020, 11 p.m. 2.1 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.15 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Sept. 21, 2020, 10 p.m. 3.7 ppb (3) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.16 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Sept. 21, 2020, 9 p.m. 4.8 ppb (4) 2.2 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 21, 2020, 8 p.m. 5.0 ppb (5) 2.6 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.15 ppb (2) N/A -1.0 μg/m3 (0) 5.0
 
Sept. 21, 2020, 7 p.m. 3.6 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.15 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 21, 2020, 6 p.m. 4.3 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.15 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Sept. 21, 2020, 5 p.m. 4.5 ppb (4) 2.7 ppb (3) N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 21, 2020, 4 p.m. 4.6 ppb (4) 2.7 ppb (3) N/A 2.0 ppb (2) N/A N/A N/A 0.16 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 21, 2020, 3 p.m. 3.7 ppb (3) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 21, 2020, 2 p.m. 7.1 ppb (7) 4.2 ppb (4) N/A 3.0 ppb (3) N/A N/A N/A 0.18 ppb (2) N/A -1.0 μg/m3 (0) 7.0
 
Sept. 21, 2020, 1 p.m. 7.4 ppb (7) 4.0 ppb (4) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 21, 2020, noon 12.2 ppb (11) 6.0 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 1.0 μg/m3 (4) 11.0
 
Sept. 21, 2020, 11 a.m. 13.5 ppb (12) 6.2 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 21, 2020, 10 a.m. 7.6 ppb (7) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (2) N/A 3.0 μg/m3 (12) 12.0