ID: 642

AQSQID: 371830014

Site Name: Millbrook Ncore

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

Updated: Sept. 18, 2021, 7:58 p.m.

Location: Raleigh (Neast Raleigh), NC

Reporting: True, Located: True

Current AQI: 32.0

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. 18, 2021, 6 p.m. N/A N/A 1.2 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) 0.17 ppb (3) 12.0 μg/m3 (12) 7.2 μg/m3 (31) 32.0
 
Sept. 18, 2021, 5 p.m. N/A N/A 1.4 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) 0.17 ppb (3) 13.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
Sept. 18, 2021, 4 p.m. N/A N/A 1.3 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) 0.17 ppb (3) 12.0 μg/m3 (12) 7.8 μg/m3 (33) 33.0
 
Sept. 18, 2021, 3 p.m. N/A N/A 1.2 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) 0.17 ppb (3) 12.0 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
Sept. 18, 2021, 2 p.m. N/A N/A 1.6 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (26) 0.19 ppb (3) 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Sept. 18, 2021, 1 p.m. N/A N/A 2.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (19) 0.17 ppb (3) 12.0 μg/m3 (12) 7.2 μg/m3 (31) 31.0
 
Sept. 18, 2021, noon N/A N/A 3.7 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 12.0 ppb (12) 0.19 ppb (3) 12.0 μg/m3 (12) 7.0 μg/m3 (30) 30.0
 
Sept. 18, 2021, 11 a.m. N/A N/A 3.1 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (11) 0.18 ppb (3) 12.0 μg/m3 (12) 6.9 μg/m3 (29) 29.0
 
Sept. 18, 2021, 10 a.m. N/A N/A 2.1 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 10.0 ppb (10) 0.17 ppb (3) 12.0 μg/m3 (12) 6.6 μg/m3 (28) 28.0
 
Sept. 18, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.16 ppb (3) 11.0 μg/m3 (11) 6.2 μg/m3 (26) 26.0
 
Sept. 18, 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) 10.0 μg/m3 (10) 5.8 μg/m3 (25) 25.0
 
Sept. 18, 2021, 7 a.m. N/A N/A 1.5 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 9.0 ppb (9) 0.15 ppb (2) 11.0 μg/m3 (11) 5.8 μg/m3 (25) 25.0
 
Sept. 18, 2021, 6 a.m. N/A N/A 2.4 ppb (3) 3.0 ppb (3) N/A N/A 9.0 ppb (9) 0.16 ppb (3) 11.0 μg/m3 (11) 5.8 μg/m3 (25) 25.0
 
Sept. 18, 2021, 5 a.m. N/A N/A 2.5 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 10.0 μg/m3 (10) 5.5 μg/m3 (23) 23.0
 
Sept. 18, 2021, 4 a.m. N/A N/A 3.5 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (12) 0.19 ppb (3) 9.0 μg/m3 (9) 4.9 μg/m3 (21) 21.0
 
Sept. 18, 2021, 3 a.m. N/A N/A 2.5 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (15) 0.17 ppb (3) 9.0 μg/m3 (9) 4.6 μg/m3 (20) 20.0
 
Sept. 18, 2021, 2 a.m. N/A N/A 1.8 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (16) 0.17 ppb (3) 8.0 μg/m3 (8) 4.3 μg/m3 (18) 18.0
 
Sept. 18, 2021, 1 a.m. N/A N/A 1.6 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) 4.0 μg/m3 (17) 19.0
 
Sept. 18, 2021, midnight N/A N/A 4.7 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 12.0 ppb (12) 0.23 ppb (3) 8.0 μg/m3 (8) 4.5 μg/m3 (19) 19.0
 
Sept. 17, 2021, 11 p.m. N/A N/A 4.7 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (13) 0.21 ppb (3) 8.0 μg/m3 (8) 4.4 μg/m3 (19) 19.0
 
Sept. 17, 2021, 10 p.m. N/A N/A 2.7 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (18) 0.18 ppb (3) 8.0 μg/m3 (8) 4.4 μg/m3 (19) 19.0
 
Sept. 17, 2021, 9 p.m. N/A N/A 2.7 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (20) 0.18 ppb (3) 8.0 μg/m3 (8) 4.1 μg/m3 (18) 20.0
 
Sept. 17, 2021, 8 p.m. N/A N/A 1.6 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) 0.17 ppb (3) 8.0 μg/m3 (8) 4.5 μg/m3 (19) 23.0
 
Sept. 17, 2021, 7 p.m. N/A N/A 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (23) 0.16 ppb (3) 7.0 μg/m3 (7) 3.5 μg/m3 (15) 23.0
 
Sept. 17, 2021, 6 p.m. N/A N/A 1.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) 0.15 ppb (2) 8.0 μg/m3 (8) 4.1 μg/m3 (18) 25.0
 
Sept. 17, 2021, 5 p.m. N/A N/A 1.2 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (25) 0.15 ppb (2) 12.0 μg/m3 (12) 5.8 μg/m3 (25) 25.0
 
Sept. 17, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 22.0 μg/m3 (21) 6.9 μg/m3 (29) 29.0
 
Sept. 17, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) 14.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
Sept. 17, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (19) 0.16 ppb (3) 14.0 μg/m3 (13) 6.3 μg/m3 (27) 27.0
 
Sept. 17, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (15) 0.16 ppb (3) 14.0 μg/m3 (13) 6.7 μg/m3 (28) 28.0
 
Sept. 17, 2021, noon N/A N/A 3.9 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 13.0 ppb (13) 0.19 ppb (3) 16.0 μg/m3 (15) 7.2 μg/m3 (31) 31.0
 
Sept. 17, 2021, 11 a.m. N/A N/A 3.9 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (12) 0.18 ppb (3) 14.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
Sept. 17, 2021, 10 a.m. N/A N/A 2.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 13.0 ppb (13) 0.15 ppb (2) 11.0 μg/m3 (11) 7.2 μg/m3 (31) 31.0
 
Sept. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.15 ppb (2) 11.0 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
Sept. 17, 2021, 8 a.m. N/A N/A 1.8 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.15 ppb (2) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2021, 7 a.m. N/A N/A 2.2 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (16) 0.15 ppb (2) 10.0 μg/m3 (10) 6.3 μg/m3 (27) 27.0
 
Sept. 17, 2021, 6 a.m. N/A N/A 1.4 ppb (2) 2.0 ppb (2) N/A N/A 16.0 ppb (15) 0.14 ppb (2) 11.0 μg/m3 (11) 6.5 μg/m3 (28) 28.0
 
Sept. 17, 2021, 5 a.m. N/A N/A 1.5 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 12.0 μg/m3 (12) 7.2 μg/m3 (31) 31.0
 
Sept. 17, 2021, 4 a.m. N/A N/A 1.9 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (15) 0.16 ppb (3) 12.0 μg/m3 (12) 6.8 μg/m3 (29) 29.0
 
Sept. 17, 2021, 3 a.m. N/A N/A 1.9 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (13) 0.18 ppb (3) 12.0 μg/m3 (12) 7.8 μg/m3 (33) 33.0
 
Sept. 17, 2021, 2 a.m. N/A N/A 1.8 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (15) 0.18 ppb (3) 13.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
Sept. 17, 2021, 1 a.m. N/A N/A 1.7 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (17) 0.17 ppb (3) 11.0 μg/m3 (11) 7.2 μg/m3 (31) 31.0
 
Sept. 17, 2021, midnight N/A N/A 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (17) 0.17 ppb (3) 13.0 μg/m3 (13) 7.2 μg/m3 (31) 31.0
 
Sept. 16, 2021, 11 p.m. N/A N/A 2.6 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (20) 0.18 ppb (3) 18.0 μg/m3 (17) 7.3 μg/m3 (31) 31.0
 
Sept. 16, 2021, 10 p.m. N/A N/A 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) 16.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
Sept. 16, 2021, 9 p.m. N/A N/A 2.2 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) 0.19 ppb (3) 14.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
Sept. 16, 2021, 8 p.m. N/A N/A 2.2 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) 0.18 ppb (3) 13.0 μg/m3 (13) 7.3 μg/m3 (31) 32.0
 
Sept. 16, 2021, 7 p.m. N/A N/A 2.2 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.17 ppb (3) 14.0 μg/m3 (13) 7.2 μg/m3 (31) 34.0
 
Sept. 16, 2021, 6 p.m. N/A N/A 1.8 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 33.0
 
Sept. 16, 2021, 5 p.m. N/A N/A 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) 0.17 ppb (3) 11.0 μg/m3 (11) 6.4 μg/m3 (27) 30.0
 
Sept. 16, 2021, 4 p.m. N/A N/A 1.8 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) 0.15 ppb (2) 11.0 μg/m3 (11) 6.8 μg/m3 (29) 30.0
 
Sept. 16, 2021, 3 p.m. N/A N/A 2.6 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.18 ppb (3) 18.0 μg/m3 (17) 8.8 μg/m3 (37) 37.0
 
Sept. 16, 2021, 2 p.m. N/A N/A 4.4 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) 0.22 ppb (3) 17.0 μg/m3 (16) 9.7 μg/m3 (41) 41.0
 
Sept. 16, 2021, 1 p.m. N/A N/A 8.3 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (18) 0.24 ppb (3) 14.0 μg/m3 (13) 8.4 μg/m3 (36) 36.0
 
Sept. 16, 2021, noon N/A N/A 10.9 ppb (11) 7.0 ppb (7) N/A 0.0 ppb (0) 7.0 ppb (7) 0.28 ppb (4) 16.0 μg/m3 (15) 10.1 μg/m3 (43) 43.0
 
Sept. 16, 2021, 11 a.m. N/A N/A 12.0 ppb (12) 6.0 ppb (6) N/A 0.0 ppb (0) 3.0 ppb (3) 0.32 ppb (4) 16.0 μg/m3 (15) 10.1 μg/m3 (43) 43.0
 
Sept. 16, 2021, 10 a.m. N/A N/A 6.7 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 3.0 ppb (3) 0.2 ppb (3) 15.0 μg/m3 (14) 9.2 μg/m3 (39) 39.0
 
Sept. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (6) 0.2 ppb (3) 14.0 μg/m3 (13) 8.9 μg/m3 (38) 38.0
 
Sept. 16, 2021, 8 a.m. N/A N/A 4.2 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.18 ppb (3) 12.0 μg/m3 (12) 8.2 μg/m3 (35) 35.0
 
Sept. 16, 2021, 7 a.m. N/A N/A 4.5 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 8.0 ppb (8) 0.18 ppb (3) 13.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
Sept. 16, 2021, 6 a.m. N/A N/A 4.2 ppb (4) 4.0 ppb (4) N/A N/A 11.0 ppb (11) 0.17 ppb (3) 13.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
Sept. 16, 2021, 5 a.m. N/A N/A 3.9 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 14.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
Sept. 16, 2021, 4 a.m. N/A N/A 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (17) 0.21 ppb (3) 13.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
Sept. 16, 2021, 3 a.m. N/A N/A 4.5 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (19) 0.22 ppb (3) 12.0 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
Sept. 16, 2021, 2 a.m. N/A N/A 3.4 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (22) 0.21 ppb (3) 13.0 μg/m3 (13) 8.2 μg/m3 (35) 35.0
 
Sept. 16, 2021, 1 a.m. N/A N/A 4.2 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) 0.22 ppb (3) 15.0 μg/m3 (14) 8.1 μg/m3 (34) 34.0
 
Sept. 16, 2021, midnight N/A N/A 7.8 ppb (8) 8.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (20) 0.31 ppb (4) 18.0 μg/m3 (17) 8.7 μg/m3 (37) 37.0
 
Sept. 15, 2021, 11 p.m. N/A N/A 9.2 ppb (9) 10.0 ppb (10) N/A 0.0 ppb (0) 22.0 ppb (21) 0.35 ppb (4) 17.0 μg/m3 (16) 8.4 μg/m3 (36) 36.0
 
Sept. 15, 2021, 10 p.m. N/A N/A 6.7 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (27) 0.28 ppb (4) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 29.0
 
Sept. 15, 2021, 9 p.m. N/A N/A 4.7 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.24 ppb (3) 15.0 μg/m3 (14) 6.9 μg/m3 (29) 32.0
 
Sept. 15, 2021, 8 p.m. N/A N/A 3.9 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.21 ppb (3) 15.0 μg/m3 (14) 6.9 μg/m3 (29) 35.0
 
Sept. 15, 2021, 7 p.m. N/A N/A 3.0 ppb (3) 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.19 ppb (3) 13.0 μg/m3 (13) 7.1 μg/m3 (30) 35.0
 
Sept. 15, 2021, 6 p.m. N/A N/A 2.6 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.19 ppb (3) 12.0 μg/m3 (12) 6.8 μg/m3 (29) 33.0
 
Sept. 15, 2021, 5 p.m. N/A N/A 2.3 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.17 ppb (3) 14.0 μg/m3 (13) 7.3 μg/m3 (31) 31.0
 
Sept. 15, 2021, 4 p.m. N/A N/A 2.5 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) N/A 17.0 μg/m3 (16) 10.7 μg/m3 (45) 45.0
 
Sept. 15, 2021, 3 p.m. N/A N/A 3.6 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 19.0 μg/m3 (18) 12.8 μg/m3 (53) 53.0
 
Sept. 15, 2021, 2 p.m. N/A N/A 4.8 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (25) 0.21 ppb (3) 20.0 μg/m3 (19) 12.6 μg/m3 (53) 53.0
 
Sept. 15, 2021, 1 p.m. N/A N/A 4.7 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.21 ppb (3) 17.0 μg/m3 (16) 10.2 μg/m3 (43) 43.0
 
Sept. 15, 2021, noon N/A N/A 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.24 ppb (3) 16.0 μg/m3 (15) 9.5 μg/m3 (40) 40.0
 
Sept. 15, 2021, 11 a.m. N/A N/A 7.3 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 16.0 ppb (15) 0.25 ppb (3) 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2021, 10 a.m. N/A N/A 4.9 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (14) 0.22 ppb (3) 13.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
Sept. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.2 ppb (3) 11.0 μg/m3 (11) 6.6 μg/m3 (28) 28.0
 
Sept. 15, 2021, 8 a.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.17 ppb (3) 10.0 μg/m3 (10) 6.2 μg/m3 (26) 26.0
 
Sept. 15, 2021, 7 a.m. N/A N/A 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) 0.16 ppb (3) 10.0 μg/m3 (10) 6.2 μg/m3 (26) 26.0
 
Sept. 15, 2021, 6 a.m. N/A N/A 1.7 ppb (2) 2.0 ppb (2) N/A N/A 23.0 ppb (22) 0.15 ppb (2) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2021, 5 a.m. N/A N/A 1.7 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 12.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
Sept. 15, 2021, 4 a.m. N/A N/A 2.6 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) 0.18 ppb (3) 13.0 μg/m3 (13) 7.7 μg/m3 (33) 33.0
 
Sept. 15, 2021, 3 a.m. N/A N/A 4.6 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (22) 0.22 ppb (3) 16.0 μg/m3 (15) 9.7 μg/m3 (41) 41.0
 
Sept. 15, 2021, 2 a.m. N/A N/A 6.9 ppb (7) 8.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (23) 0.31 ppb (4) 20.0 μg/m3 (19) 12.1 μg/m3 (51) 51.0
 
Sept. 15, 2021, 1 a.m. N/A N/A 8.9 ppb (9) 11.0 ppb (11) N/A 0.0 ppb (0) 26.0 ppb (25) 0.38 ppb (5) 19.0 μg/m3 (18) 12.4 μg/m3 (52) 52.0
 
Sept. 15, 2021, midnight N/A N/A 11.9 ppb (12) 13.0 ppb (13) N/A 0.0 ppb (0) 30.0 ppb (28) 0.45 ppb (6) 19.0 μg/m3 (18) 10.7 μg/m3 (45) 45.0
 
Sept. 14, 2021, 11 p.m. N/A N/A 10.8 ppb (11) 12.0 ppb (12) N/A 0.0 ppb (0) 38.0 ppb (36) 0.39 ppb (5) 20.0 μg/m3 (19) 10.1 μg/m3 (43) 43.0
 
Sept. 14, 2021, 10 p.m. N/A N/A 7.1 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 48.0 ppb (45) 0.28 ppb (4) 18.0 μg/m3 (17) 10.4 μg/m3 (44) 45.0
 
Sept. 14, 2021, 9 p.m. N/A N/A 5.0 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 54.0 ppb (50) 0.26 ppb (4) 20.0 μg/m3 (19) 12.6 μg/m3 (53) 53.0
 
Sept. 14, 2021, 8 p.m. N/A N/A 3.9 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 53.0 ppb (50) 0.25 ppb (3) 22.0 μg/m3 (21) 12.7 μg/m3 (53) 53.0
 
Sept. 14, 2021, 7 p.m. N/A N/A 3.4 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (50) 0.23 ppb (3) 21.0 μg/m3 (20) 13.7 μg/m3 (55) 55.0
 
Sept. 14, 2021, 6 p.m. N/A N/A 3.7 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 54.0 ppb (50) 0.25 ppb (3) 26.0 μg/m3 (25) 16.7 μg/m3 (61) 61.0
 
Sept. 14, 2021, 5 p.m. N/A N/A 3.2 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (50) 0.25 ppb (3) 26.0 μg/m3 (25) 17.6 μg/m3 (63) 63.0
 
Sept. 14, 2021, 4 p.m. N/A N/A 5.1 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 60.0 ppb (68) 0.31 ppb (4) 29.0 μg/m3 (27) 17.9 μg/m3 (64) 68.0
 
Sept. 14, 2021, 3 p.m. N/A N/A 6.5 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 57.0 ppb (58) 0.33 ppb (4) 27.0 μg/m3 (25) 18.5 μg/m3 (65) 65.0
 
Sept. 14, 2021, 2 p.m. N/A N/A 6.5 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (40) 0.32 ppb (4) 27.0 μg/m3 (25) 18.2 μg/m3 (64) 64.0
 
Sept. 14, 2021, 1 p.m. N/A N/A 7.4 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (31) 0.33 ppb (4) 25.0 μg/m3 (24) 16.9 μg/m3 (62) 62.0
 
Sept. 14, 2021, noon N/A N/A 16.4 ppb (16) 13.0 ppb (13) N/A 0.0 ppb (0) 16.0 ppb (15) 0.49 ppb (6) 23.0 μg/m3 (22) 15.7 μg/m3 (59) 59.0
 
Sept. 14, 2021, 11 a.m. N/A N/A 24.8 ppb (24) 18.0 ppb (17) N/A 0.0 ppb (0) 5.0 ppb (5) 0.57 ppb (7) 24.0 μg/m3 (23) 16.0 μg/m3 (60) 60.0
 
Sept. 14, 2021, 10 a.m. N/A N/A 14.7 ppb (14) 16.0 ppb (16) N/A 0.0 ppb (0) 11.0 ppb (11) 0.38 ppb (5) 22.0 μg/m3 (21) 15.9 μg/m3 (59) 59.0
 
Sept. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.29 ppb (4) 21.0 μg/m3 (20) 15.4 μg/m3 (58) 58.0
 
Sept. 14, 2021, 8 a.m. N/A N/A 7.5 ppb (8) N/A N/A 0.0 ppb (0) N/A 0.28 ppb (4) 24.0 μg/m3 (23) 16.6 μg/m3 (61) 61.0
 
Sept. 14, 2021, 7 a.m. N/A N/A 5.9 ppb (6) 7.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (16) 0.32 ppb (4) 23.0 μg/m3 (22) 18.3 μg/m3 (65) 65.0
 
Sept. 9, 2021, 5 p.m. N/A N/A 5.2 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) 0.23 ppb (3) 4.0 μg/m3 (4) 2.7 μg/m3 (12) 27.0
 
Sept. 9, 2021, 4 p.m. N/A N/A 6.8 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (23) 0.25 ppb (3) 5.0 μg/m3 (5) 2.3 μg/m3 (10) 23.0
 
Sept. 9, 2021, 3 p.m. N/A N/A 6.3 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (17) 0.24 ppb (3) 10.0 μg/m3 (10) 5.1 μg/m3 (22) 22.0
 
Sept. 9, 2021, 2 p.m. N/A N/A 7.8 ppb (8) 7.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (11) 0.26 ppb (4) 14.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
Sept. 9, 2021, 1 p.m. N/A N/A 7.4 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (13) 0.25 ppb (3) 13.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
Sept. 9, 2021, noon N/A N/A 10.4 ppb (10) 8.0 ppb (8) N/A 0.0 ppb (0) 9.0 ppb (9) 0.29 ppb (4) 15.0 μg/m3 (14) 8.4 μg/m3 (36) 36.0
 
Sept. 9, 2021, 11 a.m. N/A N/A 10.5 ppb (10) 9.0 ppb (9) N/A 0.0 ppb (0) 7.0 ppb (7) 0.29 ppb (4) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Sept. 9, 2021, 10 a.m. N/A N/A 6.7 ppb (7) 8.0 ppb (8) N/A 0.0 ppb (0) 8.0 ppb (8) 0.24 ppb (3) 15.0 μg/m3 (14) 7.8 μg/m3 (33) 33.0
 
Sept. 9, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.21 ppb (3) 15.0 μg/m3 (14) 7.9 μg/m3 (33) 33.0
 
Sept. 9, 2021, 8 a.m. N/A N/A 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.18 ppb (3) 14.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
Sept. 9, 2021, 7 a.m. N/A N/A 3.5 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (13) 0.17 ppb (3) 15.0 μg/m3 (14) 7.3 μg/m3 (31) 31.0
 
Sept. 9, 2021, 6 a.m. N/A N/A 3.2 ppb (4) 3.0 ppb (3) N/A N/A 17.0 ppb (16) 0.17 ppb (3) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 29.0
 
Sept. 9, 2021, 5 a.m. N/A N/A 3.6 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 12.0 μg/m3 (12) 6.2 μg/m3 (26) 26.0
 
Sept. 9, 2021, 4 a.m. N/A N/A 4.4 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 16.0 ppb (15) 0.22 ppb (3) 12.0 μg/m3 (12) 5.8 μg/m3 (25) 25.0
 
Sept. 9, 2021, 3 a.m. N/A N/A 5.3 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (17) 0.23 ppb (3) 11.0 μg/m3 (11) 5.4 μg/m3 (23) 23.0
 
Sept. 9, 2021, 2 a.m. N/A N/A 4.5 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (23) 0.25 ppb (3) 9.0 μg/m3 (9) 4.9 μg/m3 (21) 23.0
 
Sept. 9, 2021, 1 a.m. N/A N/A 4.8 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (24) 0.23 ppb (3) 10.0 μg/m3 (10) 5.1 μg/m3 (22) 24.0
 
Sept. 9, 2021, midnight N/A N/A 5.6 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (27) 0.25 ppb (3) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 29.0
 
Sept. 8, 2021, 11 p.m. N/A N/A 3.1 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.21 ppb (3) 21.0 μg/m3 (20) 10.4 μg/m3 (44) 44.0
 
Sept. 8, 2021, 10 p.m. N/A N/A 5.4 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (35) 0.27 ppb (4) 29.0 μg/m3 (27) 13.8 μg/m3 (55) 55.0
 
Sept. 8, 2021, 9 p.m. N/A N/A 4.9 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (40) 0.26 ppb (4) 25.0 μg/m3 (24) 14.1 μg/m3 (56) 56.0
 
Sept. 8, 2021, 8 p.m. N/A N/A 3.8 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 45.0 ppb (42) 0.24 ppb (3) 25.0 μg/m3 (24) 14.4 μg/m3 (56) 56.0
 
Sept. 8, 2021, 7 p.m. N/A N/A 2.9 ppb (3) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.23 ppb (3) 26.0 μg/m3 (25) 15.4 μg/m3 (58) 58.0
 
Sept. 8, 2021, 6 p.m. N/A N/A 3.3 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) 0.25 ppb (3) 26.0 μg/m3 (25) 17.0 μg/m3 (62) 62.0
 
Sept. 8, 2021, 5 p.m. N/A N/A 3.2 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (42) 0.24 ppb (3) 24.0 μg/m3 (23) 16.8 μg/m3 (61) 61.0
 
Sept. 8, 2021, 4 p.m. N/A N/A 3.6 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.25 ppb (3) 23.0 μg/m3 (22) 15.6 μg/m3 (59) 59.0
 
Sept. 8, 2021, 3 p.m. N/A N/A 4.7 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (28) 0.27 ppb (4) 25.0 μg/m3 (24) 16.9 μg/m3 (62) 62.0
 
Sept. 8, 2021, 2 p.m. N/A N/A 5.8 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (25) 0.3 ppb (4) 26.0 μg/m3 (25) 17.5 μg/m3 (63) 63.0
 
Sept. 8, 2021, 1 p.m. N/A N/A 9.2 ppb (9) 9.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (18) 0.34 ppb (4) 30.0 μg/m3 (28) 19.7 μg/m3 (67) 67.0
 
Sept. 8, 2021, noon N/A N/A 12.1 ppb (12) 11.0 ppb (11) N/A 0.0 ppb (0) 11.0 ppb (11) 0.41 ppb (5) 26.0 μg/m3 (25) 17.7 μg/m3 (63) 63.0
 
Sept. 8, 2021, 11 a.m. N/A N/A 8.9 ppb (9) 9.0 ppb (9) N/A 0.0 ppb (0) 10.0 ppb (10) 0.37 ppb (5) 22.0 μg/m3 (21) 15.8 μg/m3 (59) 59.0
 
Sept. 8, 2021, 10 a.m. N/A N/A 6.7 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 7.0 ppb (7) 0.31 ppb (4) 19.0 μg/m3 (18) 13.5 μg/m3 (54) 54.0
 
Sept. 8, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.27 ppb (4) 17.0 μg/m3 (16) 12.9 μg/m3 (53) 53.0
 
Sept. 8, 2021, 8 a.m. N/A N/A 4.2 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.26 ppb (4) 17.0 μg/m3 (16) 13.0 μg/m3 (53) 53.0
 
Sept. 8, 2021, 7 a.m. N/A N/A 3.5 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (17) 0.25 ppb (3) 18.0 μg/m3 (17) 12.4 μg/m3 (52) 52.0
 
Sept. 8, 2021, 6 a.m. N/A N/A 3.5 ppb (4) 4.0 ppb (4) N/A N/A 17.0 ppb (16) 0.23 ppb (3) 17.0 μg/m3 (16) 12.2 μg/m3 (52) 52.0
 
Sept. 8, 2021, 5 a.m. N/A N/A 3.1 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 18.0 μg/m3 (17) 12.4 μg/m3 (52) 52.0
 
Sept. 8, 2021, 4 a.m. N/A N/A 3.1 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) 0.24 ppb (3) 17.0 μg/m3 (16) 11.9 μg/m3 (50) 50.0
 
Sept. 8, 2021, 3 a.m. N/A N/A 3.2 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.25 ppb (3) 18.0 μg/m3 (17) 11.8 μg/m3 (50) 50.0
 
Sept. 8, 2021, 2 a.m. N/A N/A 3.6 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.25 ppb (3) 20.0 μg/m3 (19) 11.3 μg/m3 (48) 48.0
 
Sept. 8, 2021, 1 a.m. N/A N/A 5.9 ppb (6) 7.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (36) 0.31 ppb (4) 24.0 μg/m3 (23) 11.9 μg/m3 (50) 50.0
 
Sept. 8, 2021, midnight N/A N/A 7.1 ppb (7) 8.0 ppb (8) N/A 0.0 ppb (0) 41.0 ppb (38) 0.33 ppb (4) 20.0 μg/m3 (19) 11.3 μg/m3 (48) 48.0
 
Sept. 7, 2021, 11 p.m. N/A N/A 5.4 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 49.0 ppb (46) 0.29 ppb (4) 18.0 μg/m3 (17) 10.6 μg/m3 (45) 46.0
 
Sept. 7, 2021, 10 p.m. N/A N/A 3.8 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 57.0 ppb (58) 0.24 ppb (3) 19.0 μg/m3 (18) 9.4 μg/m3 (40) 58.0
 
Sept. 7, 2021, 9 p.m. N/A N/A 2.9 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 58.0 ppb (61) 0.22 ppb (3) 19.0 μg/m3 (18) 9.0 μg/m3 (38) 61.0
 
Sept. 7, 2021, 8 p.m. N/A N/A 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 59.0 ppb (65) 0.2 ppb (3) 19.0 μg/m3 (18) 8.3 μg/m3 (35) 65.0
 
Sept. 7, 2021, 7 p.m. N/A N/A 1.7 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 57.0 ppb (58) 0.2 ppb (3) 16.0 μg/m3 (15) 7.9 μg/m3 (33) 58.0
 
Sept. 7, 2021, 6 p.m. N/A N/A 1.6 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 56.0 ppb (55) 0.2 ppb (3) 16.0 μg/m3 (15) 7.8 μg/m3 (33) 55.0
 
Sept. 7, 2021, 5 p.m. N/A N/A 1.5 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 56.0 ppb (55) 0.21 ppb (3) 15.0 μg/m3 (14) 7.2 μg/m3 (31) 55.0
 
Sept. 7, 2021, 4 p.m. N/A N/A 1.5 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 54.0 ppb (50) 0.22 ppb (3) 15.0 μg/m3 (14) 7.4 μg/m3 (31) 50.0
 
Sept. 7, 2021, 3 p.m. N/A N/A 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (49) 0.24 ppb (3) 20.0 μg/m3 (19) 9.8 μg/m3 (41) 49.0
 
Sept. 7, 2021, 2 p.m. N/A N/A 2.6 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.32 ppb (4) 19.0 μg/m3 (18) 10.7 μg/m3 (45) 45.0
 
Sept. 7, 2021, 1 p.m. N/A N/A 5.9 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) 0.51 ppb (6) 39.0 μg/m3 (37) 13.9 μg/m3 (55) 55.0
 
Sept. 7, 2021, noon N/A N/A 20.7 ppb (20) 11.0 ppb (11) N/A 0.0 ppb (0) 12.0 ppb (12) 0.47 ppb (6) 47.0 μg/m3 (44) 14.0 μg/m3 (55) 55.0
 
Sept. 7, 2021, 11 a.m. N/A N/A 21.5 ppb (21) 13.0 ppb (13) N/A 0.0 ppb (0) 3.0 ppb (3) 0.48 ppb (6) 19.0 μg/m3 (18) 11.7 μg/m3 (49) 49.0
 
Sept. 7, 2021, 10 a.m. N/A N/A 11.0 ppb (11) 11.0 ppb (11) N/A 0.0 ppb (0) 2.0 ppb (2) 0.37 ppb (5) 16.0 μg/m3 (15) 11.9 μg/m3 (50) 50.0
 
Sept. 7, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (5) 0.31 ppb (4) 18.0 μg/m3 (17) 12.6 μg/m3 (53) 53.0
 
Sept. 7, 2021, 8 a.m. N/A N/A 9.7 ppb (10) 10.0 ppb (10) N/A 0.0 ppb (0) N/A 0.32 ppb (4) 20.0 μg/m3 (19) 12.6 μg/m3 (53) 53.0
 
Sept. 7, 2021, 7 a.m. N/A N/A 7.0 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 9.0 ppb (9) 0.3 ppb (4) 16.0 μg/m3 (15) 11.7 μg/m3 (49) 49.0
 
Sept. 7, 2021, 6 a.m. N/A N/A 3.2 ppb (4) 3.0 ppb (3) N/A N/A 16.0 ppb (15) 0.27 ppb (4) 15.0 μg/m3 (14) 11.3 μg/m3 (48) 48.0