ID: 642

AQSQID: 371830014

Site Name: Millbrook Ncore

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

Updated: Sept. 25, 2021, 8 a.m.

Location: Raleigh (Neast Raleigh), NC

Reporting: True, Located: True

Current AQI: 40.0

Raleigh (Neast Raleigh) NC, US: 35.856111, -78.574167

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 6, 2021, 5 p.m. N/A N/A 1.4 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) 0.24 ppb (3) 13.0 μg/m3 (13) 8.5 μg/m3 (36) 39.0
 
Sept. 6, 2021, 4 p.m. N/A N/A 1.5 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) 0.25 ppb (3) 18.0 μg/m3 (17) 11.7 μg/m3 (49) 49.0
 
Sept. 6, 2021, 3 p.m. N/A N/A 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (44) 0.26 ppb (4) 18.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Sept. 6, 2021, 2 p.m. N/A N/A 2.6 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) 0.27 ppb (4) 21.0 μg/m3 (20) 12.1 μg/m3 (51) 51.0
 
Sept. 6, 2021, 1 p.m. N/A N/A 3.4 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.28 ppb (4) 20.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Sept. 6, 2021, noon N/A N/A 3.9 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.29 ppb (4) 17.0 μg/m3 (16) 10.8 μg/m3 (46) 46.0
 
Sept. 6, 2021, 11 a.m. N/A N/A 6.1 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (25) 0.31 ppb (4) 16.0 μg/m3 (15) 10.3 μg/m3 (43) 43.0
 
Sept. 6, 2021, 10 a.m. N/A N/A 4.6 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (28) 0.27 ppb (4) 17.0 μg/m3 (16) 10.5 μg/m3 (44) 44.0
 
Sept. 6, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.27 ppb (4) 17.0 μg/m3 (16) 10.7 μg/m3 (45) 45.0
 
Sept. 6, 2021, 8 a.m. N/A N/A 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.28 ppb (4) 18.0 μg/m3 (17) 10.9 μg/m3 (46) 46.0
 
Sept. 6, 2021, 7 a.m. N/A N/A 5.0 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (31) 0.27 ppb (4) 18.0 μg/m3 (17) 10.9 μg/m3 (46) 46.0
 
Sept. 6, 2021, 6 a.m. N/A N/A 3.1 ppb (3) 3.0 ppb (3) N/A N/A 35.0 ppb (33) 0.27 ppb (4) 19.0 μg/m3 (18) 11.5 μg/m3 (48) 48.0
 
Sept. 6, 2021, 5 a.m. N/A N/A 4.5 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 21.0 μg/m3 (20) 11.8 μg/m3 (50) 50.0
 
Sept. 6, 2021, 4 a.m. N/A N/A 5.7 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (30) 0.33 ppb (4) 18.0 μg/m3 (17) 11.9 μg/m3 (50) 50.0
 
Sept. 6, 2021, 3 a.m. N/A N/A 6.6 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 31.0 ppb (29) 0.37 ppb (5) 20.0 μg/m3 (19) 12.4 μg/m3 (52) 52.0
 
Sept. 6, 2021, 2 a.m. N/A N/A 9.5 ppb (9) 11.0 ppb (11) N/A 0.0 ppb (0) 28.0 ppb (26) 0.46 ppb (6) 21.0 μg/m3 (20) 12.9 μg/m3 (53) 53.0
 
Sept. 6, 2021, 1 a.m. N/A N/A 13.6 ppb (13) 15.0 ppb (15) N/A 0.0 ppb (0) 29.0 ppb (27) 0.53 ppb (6) 18.0 μg/m3 (17) 11.6 μg/m3 (49) 49.0
 
Sept. 6, 2021, midnight N/A N/A 9.3 ppb (9) 11.0 ppb (11) N/A 0.0 ppb (0) 38.0 ppb (36) 0.39 ppb (5) 17.0 μg/m3 (16) 10.2 μg/m3 (43) 43.0
 
Sept. 5, 2021, 11 p.m. N/A N/A 4.7 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 49.0 ppb (46) 0.28 ppb (4) 15.0 μg/m3 (14) 9.1 μg/m3 (38) 46.0
 
Sept. 5, 2021, 10 p.m. N/A N/A 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (50) 0.25 ppb (3) 15.0 μg/m3 (14) 8.8 μg/m3 (37) 50.0
 
Sept. 5, 2021, 9 p.m. N/A N/A 2.3 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 55.0 ppb (51) 0.24 ppb (3) 16.0 μg/m3 (15) 8.6 μg/m3 (36) 51.0
 
Sept. 5, 2021, 8 p.m. N/A N/A 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) 0.24 ppb (3) 14.0 μg/m3 (13) 7.9 μg/m3 (33) 50.0
 
Sept. 5, 2021, 7 p.m. N/A N/A 2.3 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) 0.24 ppb (3) 13.0 μg/m3 (13) 7.7 μg/m3 (33) 50.0
 
Sept. 5, 2021, 6 p.m. N/A N/A 1.8 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) 0.25 ppb (3) 14.0 μg/m3 (13) 7.7 μg/m3 (33) 50.0
 
Sept. 5, 2021, 5 p.m. N/A N/A 1.9 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) 0.24 ppb (3) 14.0 μg/m3 (13) 7.4 μg/m3 (31) 50.0
 
Sept. 5, 2021, 4 p.m. N/A N/A 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (50) 0.25 ppb (3) 14.0 μg/m3 (13) 7.2 μg/m3 (31) 50.0
 
Sept. 5, 2021, 3 p.m. N/A N/A 2.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) 0.26 ppb (4) 13.0 μg/m3 (13) 7.7 μg/m3 (33) 50.0
 
Sept. 5, 2021, 2 p.m. N/A N/A 2.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (45) 0.25 ppb (3) 13.0 μg/m3 (13) 7.3 μg/m3 (31) 45.0
 
Sept. 5, 2021, 1 p.m. N/A N/A 2.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.25 ppb (3) 12.0 μg/m3 (12) 6.4 μg/m3 (27) 38.0
 
Sept. 5, 2021, noon N/A N/A 3.3 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.25 ppb (3) 11.0 μg/m3 (11) 6.0 μg/m3 (25) 31.0
 
Sept. 5, 2021, 11 a.m. N/A N/A 5.2 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (23) 0.27 ppb (4) 13.0 μg/m3 (13) 7.2 μg/m3 (31) 31.0
 
Sept. 5, 2021, 10 a.m. N/A N/A 3.9 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (24) 0.28 ppb (4) 13.0 μg/m3 (13) 7.3 μg/m3 (31) 31.0
 
Sept. 5, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.26 ppb (4) 13.0 μg/m3 (13) 7.3 μg/m3 (31) 31.0
 
Sept. 5, 2021, 8 a.m. N/A N/A 3.3 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) N/A 0.28 ppb (4) 14.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
Sept. 5, 2021, 7 a.m. N/A N/A 3.1 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) 0.28 ppb (4) 13.0 μg/m3 (13) 7.2 μg/m3 (31) 31.0
 
Sept. 5, 2021, 6 a.m. N/A N/A 3.9 ppb (4) 4.0 ppb (4) N/A N/A 30.0 ppb (28) 0.3 ppb (4) 14.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
Sept. 5, 2021, 5 a.m. N/A N/A 4.6 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 13.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
Sept. 5, 2021, 4 a.m. N/A N/A 5.4 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (30) 0.32 ppb (4) 14.0 μg/m3 (13) 7.8 μg/m3 (33) 33.0
 
Sept. 5, 2021, 3 a.m. N/A N/A 7.7 ppb (8) 8.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (27) 0.38 ppb (5) 18.0 μg/m3 (17) 9.9 μg/m3 (42) 42.0
 
Sept. 5, 2021, 2 a.m. N/A N/A 7.1 ppb (7) 8.0 ppb (8) N/A 0.0 ppb (0) 31.0 ppb (29) 0.44 ppb (5) 29.0 μg/m3 (27) 18.5 μg/m3 (65) 65.0
 
Sept. 5, 2021, 1 a.m. N/A N/A 7.7 ppb (8) 9.0 ppb (9) N/A 0.0 ppb (0) 35.0 ppb (33) 0.38 ppb (5) 20.0 μg/m3 (19) 11.9 μg/m3 (50) 50.0
 
Sept. 5, 2021, midnight N/A N/A 8.8 ppb (9) 10.0 ppb (10) N/A 0.0 ppb (0) 35.0 ppb (33) 0.4 ppb (5) 32.0 μg/m3 (30) 20.4 μg/m3 (69) 69.0
 
Sept. 4, 2021, 11 p.m. N/A N/A 7.4 ppb (7) 8.0 ppb (8) N/A 0.0 ppb (0) 42.0 ppb (39) 0.39 ppb (5) 19.0 μg/m3 (18) 12.4 μg/m3 (52) 52.0
 
Sept. 4, 2021, 10 p.m. N/A N/A 2.8 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (49) 0.27 ppb (4) 13.0 μg/m3 (13) 6.5 μg/m3 (28) 49.0
 
Sept. 4, 2021, 9 p.m. N/A N/A 2.6 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 55.0 ppb (51) 0.25 ppb (3) 11.0 μg/m3 (11) 6.0 μg/m3 (25) 51.0
 
Sept. 4, 2021, 8 p.m. N/A N/A 1.9 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 55.0 ppb (51) 0.23 ppb (3) 11.0 μg/m3 (11) 5.9 μg/m3 (25) 51.0
 
Sept. 4, 2021, 7 p.m. N/A N/A 1.8 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 52.0 ppb (49) 0.23 ppb (3) 11.0 μg/m3 (11) 5.7 μg/m3 (24) 49.0
 
Sept. 4, 2021, 6 p.m. N/A N/A 1.5 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) 0.23 ppb (3) 11.0 μg/m3 (11) 5.7 μg/m3 (24) 46.0
 
Sept. 4, 2021, 5 p.m. N/A N/A 1.8 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) 0.23 ppb (3) 12.0 μg/m3 (12) 5.9 μg/m3 (25) 45.0
 
Sept. 4, 2021, 4 p.m. N/A N/A 1.3 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) 0.23 ppb (3) 12.0 μg/m3 (12) 5.8 μg/m3 (25) 44.0
 
Sept. 4, 2021, 3 p.m. N/A N/A 1.5 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) 0.23 ppb (3) 10.0 μg/m3 (10) 5.9 μg/m3 (25) 45.0
 
Sept. 4, 2021, 2 p.m. N/A N/A 1.8 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) 0.23 ppb (3) 12.0 μg/m3 (12) 5.8 μg/m3 (25) 42.0
 
Sept. 4, 2021, 1 p.m. N/A N/A 3.8 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.25 ppb (3) 12.0 μg/m3 (12) 6.1 μg/m3 (26) 34.0
 
Sept. 4, 2021, noon N/A N/A 6.9 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (17) 0.3 ppb (4) 12.0 μg/m3 (12) 6.9 μg/m3 (29) 29.0
 
Sept. 4, 2021, 11 a.m. N/A N/A 8.7 ppb (9) 8.0 ppb (8) N/A 0.0 ppb (0) 9.0 ppb (9) 0.33 ppb (4) 13.0 μg/m3 (13) 7.7 μg/m3 (33) 33.0
 
Sept. 4, 2021, 10 a.m. N/A N/A 7.1 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 8.0 ppb (8) 0.3 ppb (4) 12.0 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
Sept. 4, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.29 ppb (4) 12.0 μg/m3 (12) 7.8 μg/m3 (33) 33.0
 
Sept. 4, 2021, 8 a.m. N/A N/A 6.9 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) N/A 0.31 ppb (4) 12.0 μg/m3 (12) 7.9 μg/m3 (33) 33.0
 
Sept. 4, 2021, 7 a.m. N/A N/A 7.5 ppb (8) 8.0 ppb (8) N/A 0.0 ppb (0) 14.0 ppb (13) 0.32 ppb (4) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Sept. 4, 2021, 6 a.m. N/A N/A 8.0 ppb (8) 7.0 ppb (7) N/A N/A 19.0 ppb (18) 0.36 ppb (5) 13.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
Sept. 4, 2021, 5 a.m. N/A N/A 8.2 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 13.0 μg/m3 (13) 7.2 μg/m3 (31) 31.0
 
Sept. 4, 2021, 4 a.m. N/A N/A 3.3 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) 0.26 ppb (4) 12.0 μg/m3 (12) 6.7 μg/m3 (28) 29.0
 
Sept. 4, 2021, 3 a.m. N/A N/A 3.7 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.27 ppb (4) 12.0 μg/m3 (12) 7.0 μg/m3 (30) 30.0
 
Sept. 4, 2021, 2 a.m. N/A N/A 3.1 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.26 ppb (4) 13.0 μg/m3 (13) 6.6 μg/m3 (28) 34.0
 
Sept. 4, 2021, 1 a.m. N/A N/A 4.4 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) 0.26 ppb (4) 13.0 μg/m3 (13) 5.8 μg/m3 (25) 35.0
 
Sept. 4, 2021, midnight N/A N/A 6.4 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (36) 0.28 ppb (4) 12.0 μg/m3 (12) 5.2 μg/m3 (22) 36.0
 
Sept. 3, 2021, 11 p.m. N/A N/A 3.4 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) 0.23 ppb (3) 10.0 μg/m3 (10) 4.7 μg/m3 (20) 41.0
 
Sept. 3, 2021, 10 p.m. N/A N/A 1.5 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) 0.2 ppb (3) 10.0 μg/m3 (10) 4.7 μg/m3 (20) 46.0
 
Sept. 3, 2021, 9 p.m. N/A N/A 1.6 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) 0.2 ppb (3) 13.0 μg/m3 (13) 4.8 μg/m3 (20) 47.0
 
Sept. 3, 2021, 8 p.m. N/A N/A 1.4 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) 0.19 ppb (3) 10.0 μg/m3 (10) 4.6 μg/m3 (20) 47.0
 
Sept. 3, 2021, 7 p.m. N/A N/A 1.6 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) 0.19 ppb (3) 10.0 μg/m3 (10) 4.7 μg/m3 (20) 46.0
 
Sept. 3, 2021, 6 p.m. N/A N/A 1.4 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) 0.2 ppb (3) 11.0 μg/m3 (11) 4.9 μg/m3 (21) 47.0
 
Sept. 3, 2021, 5 p.m. N/A N/A 1.3 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) 0.19 ppb (3) 12.0 μg/m3 (12) 4.9 μg/m3 (21) 45.0
 
Sept. 3, 2021, 4 p.m. N/A N/A 1.2 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) 0.19 ppb (3) 10.0 μg/m3 (10) 4.7 μg/m3 (20) 42.0
 
Sept. 3, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) 0.19 ppb (3) 10.0 μg/m3 (10) 4.7 μg/m3 (20) 40.0
 
Sept. 3, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) 0.2 ppb (3) 11.0 μg/m3 (11) 5.1 μg/m3 (22) 37.0
 
Sept. 3, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.24 ppb (3) 16.0 μg/m3 (15) 5.9 μg/m3 (25) 31.0
 
Sept. 3, 2021, noon N/A N/A 7.3 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (21) 0.3 ppb (4) 21.0 μg/m3 (20) 7.8 μg/m3 (33) 33.0
 
Sept. 3, 2021, 11 a.m. N/A N/A 7.5 ppb (8) 7.0 ppb (7) N/A 0.0 ppb (0) 15.0 ppb (14) 0.3 ppb (4) 14.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
Sept. 3, 2021, 10 a.m. N/A N/A 4.9 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (13) 0.27 ppb (4) 13.0 μg/m3 (13) 7.5 μg/m3 (32) 32.0
 
Sept. 3, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.25 ppb (3) 11.0 μg/m3 (11) 6.5 μg/m3 (28) 28.0
 
Sept. 3, 2021, 8 a.m. N/A N/A 6.3 ppb (6) 7.0 ppb (7) N/A 0.0 ppb (0) N/A 0.26 ppb (4) 10.0 μg/m3 (10) 6.3 μg/m3 (27) 27.0
 
Sept. 3, 2021, 7 a.m. N/A N/A 6.8 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 12.0 ppb (12) 0.24 ppb (3) 11.0 μg/m3 (11) 6.1 μg/m3 (26) 26.0
 
Sept. 3, 2021, 6 a.m. N/A N/A 9.6 ppb (10) 8.0 ppb (8) N/A N/A 12.0 ppb (12) 0.24 ppb (3) 10.0 μg/m3 (10) 5.9 μg/m3 (25) 25.0
 
Sept. 3, 2021, 5 a.m. N/A N/A 7.4 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 11.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Sept. 3, 2021, 4 a.m. N/A N/A 7.4 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (16) 0.28 ppb (4) 11.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Sept. 3, 2021, 3 a.m. N/A N/A 5.3 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (21) 0.27 ppb (4) 11.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
Sept. 3, 2021, 2 a.m. N/A N/A 5.2 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (23) 0.28 ppb (4) 12.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
Sept. 3, 2021, 1 a.m. N/A N/A 7.8 ppb (8) 8.0 ppb (8) N/A 1.0 ppb (2) 26.0 ppb (25) 0.26 ppb (4) 10.0 μg/m3 (10) 5.6 μg/m3 (24) 25.0
 
Sept. 3, 2021, midnight N/A N/A 6.3 ppb (6) 7.0 ppb (7) N/A 0.0 ppb (0) 31.0 ppb (29) 0.24 ppb (3) 10.0 μg/m3 (10) 5.1 μg/m3 (22) 29.0
 
Sept. 2, 2021, 11 p.m. N/A N/A 2.2 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.22 ppb (3) 11.0 μg/m3 (11) 4.7 μg/m3 (20) 37.0
 
Sept. 2, 2021, 10 p.m. N/A N/A 1.3 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) 0.2 ppb (3) 11.0 μg/m3 (11) 4.7 μg/m3 (20) 38.0
 
Sept. 2, 2021, 9 p.m. N/A N/A 1.2 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) 0.2 ppb (3) 12.0 μg/m3 (12) 4.8 μg/m3 (20) 40.0
 
Sept. 2, 2021, 8 p.m. N/A N/A 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) 0.2 ppb (3) 10.0 μg/m3 (10) 5.1 μg/m3 (22) 39.0
 
Sept. 2, 2021, 7 p.m. N/A N/A 1.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) 0.2 ppb (3) 11.0 μg/m3 (11) 5.5 μg/m3 (23) 38.0
 
Sept. 2, 2021, 6 p.m. N/A N/A 1.3 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) 0.21 ppb (3) 11.0 μg/m3 (11) 5.6 μg/m3 (24) 36.0
 
Sept. 2, 2021, 5 p.m. N/A N/A 1.2 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.21 ppb (3) 12.0 μg/m3 (12) 5.8 μg/m3 (25) 34.0
 
Sept. 2, 2021, 4 p.m. N/A N/A 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) 0.21 ppb (3) 12.0 μg/m3 (12) 5.5 μg/m3 (23) 33.0
 
Sept. 2, 2021, 3 p.m. N/A N/A 1.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) 13.0 μg/m3 (13) 5.6 μg/m3 (24) 31.0
 
Sept. 2, 2021, 2 p.m. N/A N/A 1.4 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) 0.26 ppb (4) 12.0 μg/m3 (12) 5.6 μg/m3 (24) 29.0
 
Sept. 2, 2021, 1 p.m. N/A N/A 1.8 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) 0.22 ppb (3) 11.0 μg/m3 (11) 4.9 μg/m3 (21) 28.0
 
Sept. 2, 2021, noon N/A N/A 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) 0.22 ppb (3) 11.0 μg/m3 (11) 4.6 μg/m3 (20) 27.0
 
Sept. 2, 2021, 11 a.m. N/A N/A 3.6 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.22 ppb (3) 12.0 μg/m3 (12) 4.6 μg/m3 (20) 25.0
 
Sept. 2, 2021, 10 a.m. N/A N/A 1.9 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) 0.19 ppb (3) 10.0 μg/m3 (10) 4.2 μg/m3 (18) 26.0
 
Sept. 2, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.18 ppb (3) 9.0 μg/m3 (9) 3.9 μg/m3 (17) 29.0
 
Sept. 2, 2021, 8 a.m. N/A N/A 1.2 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) N/A 0.18 ppb (3) 9.0 μg/m3 (9) 3.7 μg/m3 (16) 16.0
 
Sept. 2, 2021, 7 a.m. N/A N/A 1.5 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) 0.17 ppb (3) 7.0 μg/m3 (7) 2.6 μg/m3 (11) 28.0
 
Sept. 2, 2021, 6 a.m. N/A N/A 1.6 ppb (2) 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.15 ppb (2) 4.0 μg/m3 (4) 2.0 μg/m3 (9) 31.0
 
Sept. 2, 2021, 5 a.m. N/A N/A 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 4.0 μg/m3 (4) 1.6 μg/m3 (7) 30.0
 
Sept. 2, 2021, 4 a.m. N/A N/A 1.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) 0.17 ppb (3) 6.0 μg/m3 (6) 1.6 μg/m3 (7) 29.0
 
Sept. 2, 2021, 3 a.m. N/A N/A 1.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) 0.16 ppb (3) 7.0 μg/m3 (7) 2.1 μg/m3 (9) 25.0
 
Sept. 2, 2021, 2 a.m. N/A N/A 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (19) 0.15 ppb (2) 7.0 μg/m3 (7) 2.7 μg/m3 (12) 19.0
 
Sept. 2, 2021, 1 a.m. N/A N/A 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) 0.15 ppb (2) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 24.0
 
Sept. 2, 2021, midnight N/A N/A 3.6 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (22) 0.18 ppb (3) 11.0 μg/m3 (11) 6.1 μg/m3 (26) 26.0
 
Sept. 1, 2021, 11 p.m. N/A N/A 3.5 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) 0.19 ppb (3) 12.0 μg/m3 (12) 6.2 μg/m3 (26) 26.0
 
Sept. 1, 2021, 10 p.m. N/A N/A 3.9 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) 0.19 ppb (3) 13.0 μg/m3 (13) 6.5 μg/m3 (28) 28.0
 
Sept. 1, 2021, 9 p.m. N/A N/A 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) 14.0 μg/m3 (13) 6.8 μg/m3 (29) 29.0
 
Sept. 1, 2021, 8 p.m. N/A N/A 3.6 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) 0.19 ppb (3) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Sept. 1, 2021, 7 p.m. N/A N/A 2.7 ppb (3) 2.0 ppb (2) N/A 2.0 ppb (3) 28.0 ppb (26) 0.16 ppb (3) 15.0 μg/m3 (14) 5.8 μg/m3 (25) 26.0
 
Sept. 1, 2021, 6 p.m. N/A N/A 3.2 ppb (4) 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.17 ppb (3) 20.0 μg/m3 (19) 7.1 μg/m3 (30) 30.0
 
Sept. 1, 2021, 5 p.m. N/A N/A 2.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) 22.0 μg/m3 (21) 7.8 μg/m3 (33) 33.0
 
Sept. 1, 2021, 4 p.m. N/A N/A 2.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) 0.14 ppb (2) 24.0 μg/m3 (23) 8.1 μg/m3 (34) 34.0
 
Sept. 1, 2021, 3 p.m. N/A N/A 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) 0.14 ppb (2) 22.0 μg/m3 (21) 8.2 μg/m3 (35) 35.0
 
Sept. 1, 2021, 2 p.m. N/A N/A 2.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Sept. 1, 2021, 1 p.m. N/A N/A 2.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) 0.16 ppb (3) 31.0 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
Sept. 1, 2021, noon N/A N/A 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (20) 0.17 ppb (3) 33.0 μg/m3 (31) 13.2 μg/m3 (54) 54.0
 
Sept. 1, 2021, 11 a.m. N/A N/A 3.4 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (17) 0.18 ppb (3) 32.0 μg/m3 (30) 13.4 μg/m3 (54) 54.0
 
Sept. 1, 2021, 10 a.m. N/A N/A 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (17) 0.18 ppb (3) 27.0 μg/m3 (25) 12.8 μg/m3 (53) 53.0
 
Sept. 1, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.15 ppb (2) 28.0 μg/m3 (26) 12.8 μg/m3 (53) 53.0
 
Sept. 1, 2021, 8 a.m. N/A N/A 1.6 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.15 ppb (2) 30.0 μg/m3 (28) 13.2 μg/m3 (54) 54.0
 
Sept. 1, 2021, 7 a.m. N/A N/A 1.6 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (17) 0.15 ppb (2) 30.0 μg/m3 (28) 13.9 μg/m3 (55) 55.0
 
Sept. 1, 2021, 6 a.m. N/A N/A 1.9 ppb (2) 2.0 ppb (2) N/A N/A 16.0 ppb (15) 0.14 ppb (2) 32.0 μg/m3 (30) 14.3 μg/m3 (56) 56.0
 
Sept. 1, 2021, 5 a.m. N/A N/A 2.6 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (16) N/A 36.0 μg/m3 (34) 15.0 μg/m3 (58) 58.0
 
Sept. 1, 2021, 4 a.m. N/A N/A 2.8 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (17) 0.15 ppb (2) 36.0 μg/m3 (34) 15.3 μg/m3 (58) 58.0
 
Sept. 1, 2021, 3 a.m. N/A N/A 2.6 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (19) 0.15 ppb (2) 39.0 μg/m3 (37) 15.3 μg/m3 (58) 58.0
 
Sept. 1, 2021, 2 a.m. N/A N/A 2.6 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) 0.16 ppb (3) 43.0 μg/m3 (40) 16.1 μg/m3 (60) 60.0
 
Sept. 1, 2021, 1 a.m. N/A N/A 3.7 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (22) 0.19 ppb (3) 43.0 μg/m3 (40) 17.0 μg/m3 (62) 62.0
 
Sept. 1, 2021, midnight N/A N/A 7.8 ppb (8) 8.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (22) 0.24 ppb (3) 43.0 μg/m3 (40) 16.9 μg/m3 (62) 62.0
 
Aug. 31, 2021, 11 p.m. N/A N/A 5.0 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (26) 0.24 ppb (3) 42.0 μg/m3 (39) 16.6 μg/m3 (61) 61.0
 
Aug. 31, 2021, 10 p.m. N/A N/A 3.8 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.21 ppb (3) 44.0 μg/m3 (41) 16.8 μg/m3 (61) 61.0
 
Aug. 31, 2021, 9 p.m. N/A N/A 4.1 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) 0.2 ppb (3) 44.0 μg/m3 (41) 16.3 μg/m3 (60) 60.0
 
Aug. 31, 2021, 8 p.m. N/A N/A 3.9 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (40) 0.19 ppb (3) 42.0 μg/m3 (39) 16.2 μg/m3 (60) 60.0
 
Aug. 31, 2021, 7 p.m. N/A N/A 3.2 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.19 ppb (3) 45.0 μg/m3 (42) 16.7 μg/m3 (61) 61.0
 
Aug. 31, 2021, 6 p.m. N/A N/A 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.22 ppb (3) 41.0 μg/m3 (38) 16.2 μg/m3 (60) 60.0
 
Aug. 31, 2021, 5 p.m. N/A N/A 2.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.17 ppb (3) 37.0 μg/m3 (35) 14.9 μg/m3 (57) 57.0
 
Aug. 31, 2021, 4 p.m. N/A N/A 3.2 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.19 ppb (3) 39.0 μg/m3 (37) 15.2 μg/m3 (58) 58.0
 
Aug. 31, 2021, 3 p.m. N/A N/A 3.0 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.19 ppb (3) 38.0 μg/m3 (36) 15.8 μg/m3 (59) 59.0
 
Aug. 31, 2021, 2 p.m. N/A N/A 4.9 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.24 ppb (3) 42.0 μg/m3 (39) 16.6 μg/m3 (61) 61.0
 
Aug. 31, 2021, 1 p.m. N/A N/A 8.1 ppb (8) 7.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (26) 0.3 ppb (4) 43.0 μg/m3 (40) 16.9 μg/m3 (62) 62.0
 
Aug. 31, 2021, noon N/A N/A 16.8 ppb (16) 11.0 ppb (11) N/A 0.0 ppb (0) 12.0 ppb (12) 0.42 ppb (5) 44.0 μg/m3 (41) 17.8 μg/m3 (63) 63.0
 
Aug. 31, 2021, 11 a.m. N/A N/A 19.7 ppb (19) 10.0 ppb (10) N/A 0.0 ppb (0) 4.0 ppb (4) 0.48 ppb (6) 38.0 μg/m3 (36) 17.9 μg/m3 (64) 64.0
 
Aug. 31, 2021, 10 a.m. N/A N/A 10.1 ppb (10) 9.0 ppb (9) N/A 0.0 ppb (0) 4.0 ppb (4) 0.32 ppb (4) 36.0 μg/m3 (34) 18.2 μg/m3 (64) 64.0
 
Aug. 31, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (7) 0.29 ppb (4) 38.0 μg/m3 (36) 19.5 μg/m3 (67) 67.0
 
Aug. 31, 2021, 8 a.m. N/A N/A 10.0 ppb (10) 10.0 ppb (10) N/A 0.0 ppb (0) N/A 0.28 ppb (4) 41.0 μg/m3 (38) 19.9 μg/m3 (68) 68.0
 
Aug. 31, 2021, 7 a.m. N/A N/A 9.3 ppb (9) 9.0 ppb (9) N/A 0.0 ppb (0) 10.0 ppb (10) 0.28 ppb (4) 39.0 μg/m3 (37) 20.7 μg/m3 (70) 70.0
 
Aug. 31, 2021, 6 a.m. N/A N/A 7.2 ppb (7) 8.0 ppb (8) N/A N/A 14.0 ppb (13) 0.25 ppb (3) 42.0 μg/m3 (39) 21.3 μg/m3 (71) 71.0
 
Aug. 31, 2021, 5 a.m. N/A N/A 7.1 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (16) N/A 42.0 μg/m3 (39) 21.5 μg/m3 (71) 71.0
 
Aug. 31, 2021, 4 a.m. N/A N/A 5.8 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (21) 0.24 ppb (3) 46.0 μg/m3 (43) 22.4 μg/m3 (73) 73.0
 
Aug. 31, 2021, 3 a.m. N/A N/A 4.7 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (25) 0.22 ppb (3) 49.0 μg/m3 (46) 21.6 μg/m3 (71) 71.0
 
Aug. 31, 2021, 2 a.m. N/A N/A 5.5 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (26) 0.23 ppb (3) 49.0 μg/m3 (46) 21.1 μg/m3 (70) 70.0
 
Aug. 31, 2021, 1 a.m. N/A N/A 8.4 ppb (8) 9.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (24) 0.27 ppb (4) 50.0 μg/m3 (47) 19.2 μg/m3 (66) 66.0
 
Aug. 31, 2021, midnight N/A N/A 8.6 ppb (9) 9.0 ppb (9) N/A 0.0 ppb (0) 26.0 ppb (25) 0.24 ppb (3) 50.0 μg/m3 (47) 18.0 μg/m3 (64) 64.0
 
Aug. 30, 2021, 11 p.m. N/A N/A 5.7 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) 51.0 μg/m3 (48) 17.6 μg/m3 (63) 63.0
 
Aug. 30, 2021, 10 p.m. N/A N/A 4.1 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (34) 0.16 ppb (3) 49.0 μg/m3 (46) 16.7 μg/m3 (61) 61.0
 
Aug. 30, 2021, 9 p.m. N/A N/A 4.0 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.17 ppb (3) 47.0 μg/m3 (44) 14.9 μg/m3 (57) 57.0
 
Aug. 30, 2021, 8 p.m. N/A N/A 3.5 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (43) 0.18 ppb (3) 50.0 μg/m3 (47) 16.2 μg/m3 (60) 60.0
 
Aug. 30, 2021, 7 p.m. N/A N/A 3.2 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (44) 0.18 ppb (3) 45.0 μg/m3 (42) 15.7 μg/m3 (59) 59.0
 
Aug. 30, 2021, 6 p.m. N/A N/A 2.8 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) 0.18 ppb (3) 41.0 μg/m3 (38) 15.4 μg/m3 (58) 58.0