ID: 642

AQSQID: 371830014

Site Name: Millbrook Ncore

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

Updated: Aug. 1, 2021, 4:55 a.m.

Location: Raleigh (Neast Raleigh), NC

Reporting: True, Located: True

Current AQI: 73.0

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
July 25, 2021, 3 a.m. N/A N/A 2.9 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.25 ppb (3) 20.0 μg/m3 (19) 14.2 μg/m3 (56) 56.0
 
July 25, 2021, 2 a.m. N/A N/A 3.5 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) 0.29 ppb (4) 23.0 μg/m3 (22) 17.0 μg/m3 (62) 62.0
 
July 25, 2021, 1 a.m. N/A N/A 3.2 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (41) 0.28 ppb (4) 23.0 μg/m3 (22) 16.8 μg/m3 (61) 61.0
 
July 25, 2021, midnight N/A N/A 4.6 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (41) 0.32 ppb (4) 22.0 μg/m3 (21) 16.8 μg/m3 (61) 61.0
 
July 24, 2021, 11 p.m. N/A N/A 4.6 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (44) 0.29 ppb (4) 23.0 μg/m3 (22) 16.8 μg/m3 (61) 61.0
 
July 24, 2021, 10 p.m. N/A N/A 2.9 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (46) 0.29 ppb (4) 24.0 μg/m3 (23) 17.2 μg/m3 (62) 62.0
 
July 24, 2021, 9 p.m. N/A N/A 2.6 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (46) 0.28 ppb (4) 25.0 μg/m3 (24) 17.6 μg/m3 (63) 63.0
 
July 24, 2021, 8 p.m. N/A N/A 2.3 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 50.0 ppb (47) 0.29 ppb (4) 26.0 μg/m3 (25) 18.2 μg/m3 (64) 64.0
 
July 24, 2021, 7 p.m. N/A N/A 2.1 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (49) 0.29 ppb (4) 26.0 μg/m3 (25) 18.0 μg/m3 (64) 64.0
 
July 24, 2021, 6 p.m. N/A N/A 2.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 55.0 ppb (51) 0.29 ppb (4) 26.0 μg/m3 (25) 18.0 μg/m3 (64) 64.0
 
July 24, 2021, 5 p.m. N/A N/A 2.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (50) 0.28 ppb (4) 23.0 μg/m3 (22) 16.5 μg/m3 (61) 61.0
 
July 24, 2021, 4 p.m. N/A N/A 2.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) 0.27 ppb (4) 22.0 μg/m3 (21) 15.4 μg/m3 (58) 58.0
 
July 24, 2021, 3 p.m. N/A N/A 2.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (50) 0.26 ppb (4) 19.0 μg/m3 (18) 13.4 μg/m3 (54) 54.0
 
July 24, 2021, 2 p.m. N/A N/A 2.9 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (46) 0.25 ppb (3) 18.0 μg/m3 (17) 11.9 μg/m3 (50) 50.0
 
July 24, 2021, 1 p.m. N/A N/A 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (40) 0.27 ppb (4) 18.0 μg/m3 (17) 12.1 μg/m3 (51) 51.0
 
July 24, 2021, noon N/A N/A 4.6 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.29 ppb (4) 20.0 μg/m3 (19) 14.1 μg/m3 (56) 56.0
 
July 24, 2021, 11 a.m. N/A N/A 4.5 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (17) 0.28 ppb (4) 22.0 μg/m3 (21) 15.5 μg/m3 (59) 59.0
 
July 24, 2021, 10 a.m. N/A N/A 5.8 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (13) 0.29 ppb (4) 20.0 μg/m3 (19) 14.6 μg/m3 (57) 57.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.26 ppb (4) 21.0 μg/m3 (20) 14.6 μg/m3 (57) 57.0
 
July 24, 2021, 8 a.m. N/A N/A 3.6 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) N/A 0.27 ppb (4) 21.0 μg/m3 (20) 14.9 μg/m3 (57) 57.0
 
July 24, 2021, 7 a.m. N/A N/A 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.26 ppb (4) 20.0 μg/m3 (19) 14.4 μg/m3 (56) 56.0
 
July 24, 2021, 6 a.m. N/A N/A 4.7 ppb (5) 5.0 ppb (5) N/A N/A 29.0 ppb (27) 0.25 ppb (3) 21.0 μg/m3 (20) 14.9 μg/m3 (57) 57.0
 
July 24, 2021, 5 a.m. N/A N/A 3.3 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 21.0 μg/m3 (20) 15.1 μg/m3 (58) 58.0
 
July 24, 2021, 4 a.m. N/A N/A 3.5 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.31 ppb (4) 22.0 μg/m3 (21) 16.7 μg/m3 (61) 61.0
 
July 24, 2021, 3 a.m. N/A N/A 4.6 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (33) 0.33 ppb (4) 24.0 μg/m3 (23) 17.6 μg/m3 (63) 63.0
 
July 24, 2021, 2 a.m. N/A N/A 5.4 ppb (6) 7.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (32) 0.36 ppb (5) 26.0 μg/m3 (25) 18.7 μg/m3 (65) 65.0
 
July 24, 2021, 1 a.m. N/A N/A 5.4 ppb (6) 7.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (36) 0.38 ppb (5) 26.0 μg/m3 (25) 19.1 μg/m3 (66) 66.0
 
July 24, 2021, midnight N/A N/A 6.9 ppb (7) 9.0 ppb (9) N/A 0.0 ppb (0) 41.0 ppb (38) 0.43 ppb (5) 29.0 μg/m3 (27) 20.4 μg/m3 (69) 69.0
 
July 23, 2021, 11 p.m. N/A N/A 3.8 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 50.0 ppb (47) 0.36 ppb (5) 27.0 μg/m3 (25) 20.5 μg/m3 (69) 69.0
 
July 23, 2021, 10 p.m. N/A N/A 3.7 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 52.0 ppb (49) 0.35 ppb (4) 26.0 μg/m3 (25) 20.1 μg/m3 (68) 68.0
 
July 23, 2021, 9 p.m. N/A N/A 3.3 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (49) 0.35 ppb (4) 28.0 μg/m3 (26) 20.4 μg/m3 (69) 69.0
 
July 23, 2021, 8 p.m. N/A N/A 2.9 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (50) 0.32 ppb (4) 28.0 μg/m3 (26) 20.3 μg/m3 (69) 69.0
 
July 23, 2021, 7 p.m. N/A N/A 2.1 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (50) 0.31 ppb (4) 26.0 μg/m3 (25) 20.1 μg/m3 (68) 68.0
 
July 23, 2021, 6 p.m. N/A N/A 2.1 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (50) 0.32 ppb (4) 26.0 μg/m3 (25) 19.6 μg/m3 (67) 67.0
 
July 23, 2021, 5 p.m. N/A N/A 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) 0.31 ppb (4) 25.0 μg/m3 (24) 19.3 μg/m3 (67) 67.0
 
July 23, 2021, 4 p.m. N/A N/A 2.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (50) 0.31 ppb (4) 26.0 μg/m3 (25) 18.6 μg/m3 (65) 65.0
 
July 23, 2021, 3 p.m. N/A N/A 2.8 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (50) 0.34 ppb (4) 26.0 μg/m3 (25) 17.5 μg/m3 (63) 63.0
 
July 23, 2021, 2 p.m. N/A N/A 2.9 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (43) 0.31 ppb (4) 21.0 μg/m3 (20) 15.4 μg/m3 (58) 58.0
 
July 23, 2021, 1 p.m. N/A N/A 3.2 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.32 ppb (4) 24.0 μg/m3 (23) 15.6 μg/m3 (59) 59.0
 
July 23, 2021, noon N/A N/A 4.4 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (26) 0.33 ppb (4) 20.0 μg/m3 (19) 15.1 μg/m3 (58) 58.0
 
July 23, 2021, 11 a.m. N/A N/A 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (17) 0.36 ppb (5) 24.0 μg/m3 (23) 17.9 μg/m3 (64) 64.0
 
July 23, 2021, 10 a.m. N/A N/A 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 11.0 ppb (11) 0.35 ppb (4) 24.0 μg/m3 (23) 18.1 μg/m3 (64) 64.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.34 ppb (4) 23.0 μg/m3 (22) 18.1 μg/m3 (64) 64.0
 
July 23, 2021, 8 a.m. N/A N/A 4.1 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.33 ppb (4) 24.0 μg/m3 (23) 17.8 μg/m3 (63) 63.0
 
July 23, 2021, 7 a.m. N/A N/A 3.3 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (15) 0.32 ppb (4) 24.0 μg/m3 (23) 17.8 μg/m3 (63) 63.0
 
July 23, 2021, 6 a.m. N/A N/A 2.4 ppb (3) 4.0 ppb (4) N/A N/A 16.0 ppb (15) 0.32 ppb (4) 25.0 μg/m3 (24) 18.7 μg/m3 (65) 65.0
 
July 23, 2021, 5 a.m. N/A N/A 2.5 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (21) N/A 25.0 μg/m3 (24) 19.1 μg/m3 (66) 66.0
 
July 23, 2021, 4 a.m. N/A N/A 2.1 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) 0.34 ppb (4) 25.0 μg/m3 (24) 18.8 μg/m3 (66) 66.0
 
July 23, 2021, 3 a.m. N/A N/A 1.7 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) 0.33 ppb (4) 26.0 μg/m3 (25) 19.1 μg/m3 (66) 66.0
 
July 23, 2021, 2 a.m. N/A N/A 3.7 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) 0.41 ppb (5) 28.0 μg/m3 (26) 21.4 μg/m3 (71) 71.0
 
July 23, 2021, 1 a.m. N/A N/A 3.9 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.39 ppb (5) 29.0 μg/m3 (27) 21.7 μg/m3 (72) 72.0
 
July 23, 2021, midnight N/A N/A 3.7 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (37) 0.38 ppb (5) 28.0 μg/m3 (26) 21.7 μg/m3 (72) 72.0
 
July 22, 2021, 11 p.m. N/A N/A 2.8 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (41) 0.37 ppb (5) 30.0 μg/m3 (28) 23.0 μg/m3 (74) 74.0
 
July 22, 2021, 10 p.m. N/A N/A 2.3 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 49.0 ppb (46) 0.39 ppb (5) 32.0 μg/m3 (30) 24.0 μg/m3 (77) 77.0
 
July 22, 2021, 9 p.m. N/A N/A 1.8 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (48) 0.38 ppb (5) 35.0 μg/m3 (33) 25.1 μg/m3 (79) 79.0
 
July 22, 2021, 8 p.m. N/A N/A 1.8 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 50.0 ppb (47) 0.35 ppb (4) 34.0 μg/m3 (32) 25.1 μg/m3 (79) 79.0
 
July 22, 2021, 7 p.m. N/A N/A 1.8 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (46) 0.34 ppb (4) 33.0 μg/m3 (31) 25.6 μg/m3 (80) 80.0
 
July 22, 2021, 6 p.m. N/A N/A 1.9 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 49.0 ppb (46) 0.35 ppb (4) 40.0 μg/m3 (38) 27.9 μg/m3 (85) 85.0
 
July 22, 2021, 5 p.m. N/A N/A 1.8 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 49.0 ppb (46) 0.35 ppb (4) 38.0 μg/m3 (36) 28.4 μg/m3 (86) 86.0
 
July 22, 2021, 4 p.m. N/A N/A 2.0 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 49.0 ppb (46) 0.35 ppb (4) 39.0 μg/m3 (37) 29.4 μg/m3 (88) 88.0
 
July 22, 2021, 3 p.m. N/A N/A 2.3 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (43) N/A 40.0 μg/m3 (38) 31.0 μg/m3 (91) 91.0
 
July 22, 2021, 2 p.m. N/A N/A 2.3 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) 0.39 ppb (5) 40.0 μg/m3 (38) 31.4 μg/m3 (92) 92.0
 
July 22, 2021, 1 p.m. N/A N/A 3.7 ppb (4) 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (35) 0.38 ppb (5) 49.0 μg/m3 (46) 33.4 μg/m3 (96) 96.0
 
July 22, 2021, noon N/A N/A 5.0 ppb (5) 7.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (27) 0.37 ppb (5) 44.0 μg/m3 (41) 32.7 μg/m3 (95) 95.0
 
July 22, 2021, 11 a.m. N/A N/A 5.2 ppb (5) 8.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (25) 0.36 ppb (5) 59.0 μg/m3 (53) 36.9 μg/m3 (105) 105.0
 
July 22, 2021, 10 a.m. N/A N/A 3.5 ppb (4) 7.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (28) 0.36 ppb (5) 53.0 μg/m3 (50) 37.1 μg/m3 (105) 105.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.4 ppb (5) 47.0 μg/m3 (44) 37.4 μg/m3 (106) 106.0
 
July 22, 2021, 8 a.m. N/A N/A 2.7 ppb (3) 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.46 ppb (6) 50.0 μg/m3 (47) 40.2 μg/m3 (113) 113.0
 
July 22, 2021, 7 a.m. N/A N/A 3.3 ppb (4) 7.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (36) 0.52 ppb (6) 52.0 μg/m3 (49) 42.1 μg/m3 (118) 118.0
 
July 22, 2021, 6 a.m. N/A N/A 3.1 ppb (3) 6.0 ppb (6) N/A N/A 35.0 ppb (33) 0.38 ppb (5) 48.0 μg/m3 (45) 38.1 μg/m3 (108) 108.0
 
July 22, 2021, 5 a.m. N/A N/A 2.9 ppb (3) N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A 48.0 μg/m3 (45) 37.3 μg/m3 (106) 106.0
 
July 22, 2021, 4 a.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.4 ppb (5) 45.0 μg/m3 (42) 36.5 μg/m3 (104) 104.0
 
July 22, 2021, 3 a.m. N/A N/A 4.7 ppb (5) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.43 ppb (5) 45.0 μg/m3 (42) 35.7 μg/m3 (102) 102.0
 
July 22, 2021, 2 a.m. N/A N/A 6.5 ppb (7) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.47 ppb (6) 45.0 μg/m3 (42) 35.1 μg/m3 (100) 100.0
 
July 22, 2021, 1 a.m. N/A N/A 7.3 ppb (7) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.49 ppb (6) 45.0 μg/m3 (42) 35.0 μg/m3 (100) 100.0
 
July 22, 2021, midnight N/A N/A 5.9 ppb (6) N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.46 ppb (6) 46.0 μg/m3 (43) 35.3 μg/m3 (100) 100.0
 
July 21, 2021, 11 p.m. N/A N/A 4.8 ppb (5) N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.43 ppb (5) 47.0 μg/m3 (44) 36.6 μg/m3 (104) 104.0
 
July 21, 2021, 10 p.m. N/A N/A 3.4 ppb (4) N/A N/A 0.0 ppb (0) 58.0 ppb (61) 0.39 ppb (5) 46.0 μg/m3 (43) 36.5 μg/m3 (104) 104.0
 
July 21, 2021, 9 p.m. N/A N/A 2.4 ppb (3) N/A N/A 0.0 ppb (0) 58.0 ppb (61) 0.37 ppb (5) 46.0 μg/m3 (43) 36.0 μg/m3 (103) 103.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 66.0 ppb (87) 0.36 ppb (5) 43.0 μg/m3 (40) 33.9 μg/m3 (97) 97.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 73.0 ppb (103) 0.36 ppb (5) 45.0 μg/m3 (42) 35.2 μg/m3 (100) 103.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (65) 0.36 ppb (5) 46.0 μg/m3 (43) 35.9 μg/m3 (102) 102.0
 
July 21, 2021, 5 p.m. N/A N/A 3.2 ppb (4) N/A N/A 0.0 ppb (0) 60.0 ppb (68) N/A 48.0 μg/m3 (45) 37.5 μg/m3 (106) 106.0
 
July 21, 2021, 4 p.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) 60.0 ppb (68) N/A 46.0 μg/m3 (43) 36.8 μg/m3 (105) 105.0
 
July 21, 2021, 3 p.m. N/A N/A 3.4 ppb (4) N/A N/A 0.0 ppb (0) 53.0 ppb (50) N/A 43.0 μg/m3 (40) 33.1 μg/m3 (96) 96.0
 
July 21, 2021, 2 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 48.0 ppb (45) N/A 42.0 μg/m3 (39) 32.2 μg/m3 (94) 94.0
 
July 21, 2021, 1 p.m. N/A N/A 6.1 ppb (6) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A 39.0 μg/m3 (37) 30.3 μg/m3 (90) 90.0
 
July 21, 2021, noon N/A N/A 13.1 ppb (13) N/A N/A 1.0 ppb (2) 18.0 ppb (17) 0.45 ppb (6) 41.0 μg/m3 (38) 29.9 μg/m3 (89) 89.0
 
July 21, 2021, 11 a.m. N/A N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.48 ppb (6) 41.0 μg/m3 (38) 30.9 μg/m3 (91) 91.0
 
July 21, 2021, 10 a.m. N/A N/A 9.8 ppb (10) N/A N/A 0.0 ppb (0) 7.0 ppb (7) 0.41 ppb (5) 38.0 μg/m3 (36) 30.0 μg/m3 (89) 89.0
 
July 21, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (6) 0.41 ppb (5) 40.0 μg/m3 (38) 30.8 μg/m3 (91) 91.0
 
July 21, 2021, 8 a.m. N/A N/A 5.5 ppb (6) N/A N/A 0.0 ppb (0) N/A 0.37 ppb (5) 40.0 μg/m3 (38) 30.3 μg/m3 (90) 90.0
 
July 21, 2021, 7 a.m. N/A N/A 4.4 ppb (5) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.35 ppb (4) 39.0 μg/m3 (37) 31.0 μg/m3 (91) 91.0
 
July 21, 2021, 6 a.m. N/A N/A 7.7 ppb (8) N/A N/A N/A 18.0 ppb (17) 0.38 ppb (5) 38.0 μg/m3 (36) 30.4 μg/m3 (90) 90.0
 
July 21, 2021, 5 a.m. N/A N/A 9.0 ppb (9) N/A N/A 0.0 ppb (0) 14.0 ppb (13) N/A 39.0 μg/m3 (37) 30.6 μg/m3 (90) 90.0
 
July 21, 2021, 4 a.m. N/A N/A 7.0 ppb (7) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.39 ppb (5) 39.0 μg/m3 (37) 30.7 μg/m3 (91) 91.0
 
July 21, 2021, 3 a.m. N/A N/A 7.6 ppb (8) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.4 ppb (5) 37.0 μg/m3 (35) 29.8 μg/m3 (89) 89.0
 
July 21, 2021, 2 a.m. N/A N/A 9.0 ppb (9) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.41 ppb (5) 38.0 μg/m3 (36) 29.6 μg/m3 (88) 88.0
 
July 21, 2021, 1 a.m. N/A N/A 6.8 ppb (7) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.37 ppb (5) 38.0 μg/m3 (36) 30.3 μg/m3 (90) 90.0
 
July 21, 2021, midnight N/A N/A 8.4 ppb (8) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.42 ppb (5) 41.0 μg/m3 (38) 32.2 μg/m3 (94) 94.0
 
July 20, 2021, 11 p.m. N/A N/A 4.1 ppb (4) N/A N/A N/A 34.0 ppb (32) 0.34 ppb (4) 40.0 μg/m3 (38) 32.5 μg/m3 (94) 94.0
 
July 20, 2021, 10 p.m. N/A N/A 2.3 ppb (3) N/A N/A N/A 42.0 ppb (39) 0.31 ppb (4) 43.0 μg/m3 (40) 33.9 μg/m3 (97) 97.0
 
July 20, 2021, 9 p.m. N/A N/A 2.1 ppb (2) N/A N/A N/A 42.0 ppb (39) 0.31 ppb (4) 44.0 μg/m3 (41) 34.5 μg/m3 (99) 99.0
 
July 20, 2021, 8 p.m. N/A N/A 2.1 ppb (2) N/A N/A N/A 46.0 ppb (43) 0.3 ppb (4) 44.0 μg/m3 (41) 34.4 μg/m3 (98) 98.0
 
July 20, 2021, 7 p.m. N/A N/A 2.5 ppb (3) N/A N/A N/A 46.0 ppb (43) 0.31 ppb (4) 41.0 μg/m3 (38) 32.5 μg/m3 (94) 94.0
 
July 20, 2021, 6 p.m. N/A N/A 2.3 ppb (3) N/A N/A N/A 49.0 ppb (46) 0.35 ppb (4) 40.0 μg/m3 (38) 32.2 μg/m3 (94) 94.0
 
July 20, 2021, 5 p.m. N/A N/A 2.5 ppb (3) N/A N/A N/A 48.0 ppb (45) 0.28 ppb (4) 36.0 μg/m3 (34) 29.6 μg/m3 (88) 88.0
 
July 20, 2021, 4 p.m. N/A N/A 2.4 ppb (3) N/A N/A N/A 51.0 ppb (48) 0.25 ppb (3) 34.0 μg/m3 (32) 26.9 μg/m3 (83) 83.0
 
July 20, 2021, 3 p.m. N/A N/A 3.4 ppb (4) N/A N/A N/A 44.0 ppb (41) 0.46 ppb (6) 32.0 μg/m3 (30) 22.8 μg/m3 (74) 74.0
 
July 20, 2021, 2 p.m. N/A N/A 2.9 ppb (3) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.22 ppb (3) 25.0 μg/m3 (24) 19.3 μg/m3 (67) 67.0
 
July 20, 2021, 1 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.26 ppb (4) 24.0 μg/m3 (23) 18.2 μg/m3 (64) 64.0
 
July 20, 2021, noon N/A N/A 6.0 ppb (6) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.31 ppb (4) 28.0 μg/m3 (26) 18.9 μg/m3 (66) 66.0
 
July 20, 2021, 11 a.m. N/A N/A 5.8 ppb (6) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.29 ppb (4) 38.0 μg/m3 (36) 20.0 μg/m3 (68) 68.0
 
July 20, 2021, 10 a.m. N/A N/A 3.2 ppb (4) N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.27 ppb (4) 29.0 μg/m3 (27) 18.1 μg/m3 (64) 64.0
 
July 20, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.3 ppb (4) 27.0 μg/m3 (25) 17.3 μg/m3 (62) 62.0
 
July 20, 2021, 8 a.m. N/A N/A 2.6 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.33 ppb (4) 26.0 μg/m3 (25) 16.2 μg/m3 (60) 60.0
 
July 20, 2021, 7 a.m. N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.35 ppb (4) 26.0 μg/m3 (25) 16.7 μg/m3 (61) 61.0
 
July 20, 2021, 6 a.m. N/A N/A 2.0 ppb (2) N/A N/A N/A 13.0 ppb (13) 0.24 ppb (3) 24.0 μg/m3 (23) 14.7 μg/m3 (57) 57.0
 
July 20, 2021, 5 a.m. N/A N/A 2.4 ppb (3) N/A N/A 0.0 ppb (0) 15.0 ppb (14) N/A 21.0 μg/m3 (20) 12.3 μg/m3 (52) 52.0
 
July 20, 2021, 4 a.m. N/A N/A 2.2 ppb (3) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.17 ppb (3) 19.0 μg/m3 (18) 11.1 μg/m3 (47) 47.0
 
July 20, 2021, 3 a.m. N/A N/A 1.5 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.17 ppb (3) 16.0 μg/m3 (15) 10.4 μg/m3 (44) 44.0
 
July 20, 2021, 2 a.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 15.0 μg/m3 (14) 9.6 μg/m3 (40) 40.0
 
July 20, 2021, 1 a.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 13.0 μg/m3 (13) 7.8 μg/m3 (33) 33.0
 
July 20, 2021, midnight N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.15 ppb (2) 10.0 μg/m3 (10) 5.9 μg/m3 (25) 26.0
 
July 19, 2021, 11 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.13 ppb (2) 8.0 μg/m3 (8) 4.5 μg/m3 (19) 27.0
 
July 19, 2021, 10 p.m. N/A N/A 0.8 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) 7.0 μg/m3 (7) 4.1 μg/m3 (18) 28.0
 
July 19, 2021, 9 p.m. N/A N/A 0.7 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.13 ppb (2) 6.0 μg/m3 (6) 3.4 μg/m3 (15) 29.0
 
July 19, 2021, 8 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.15 ppb (2) 4.0 μg/m3 (4) 2.2 μg/m3 (10) 30.0
 
July 19, 2021, 7 p.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.13 ppb (2) 4.0 μg/m3 (4) 1.9 μg/m3 (8) 29.0
 
July 19, 2021, 6 p.m. N/A N/A 1.2 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.15 ppb (2) 6.0 μg/m3 (6) 3.7 μg/m3 (16) 26.0
 
July 19, 2021, 5 p.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.15 ppb (2) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
July 19, 2021, 4 p.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.16 ppb (3) 9.0 μg/m3 (9) 5.4 μg/m3 (23) 23.0
 
July 19, 2021, 3 p.m. N/A N/A 4.4 ppb (5) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.16 ppb (3) 9.0 μg/m3 (9) 4.8 μg/m3 (20) 20.0
 
July 19, 2021, 2 p.m. N/A N/A 4.1 ppb (4) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.16 ppb (3) 10.0 μg/m3 (10) 4.9 μg/m3 (21) 21.0
 
July 19, 2021, 1 p.m. N/A N/A 4.9 ppb (5) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.15 ppb (2) 10.0 μg/m3 (10) 4.7 μg/m3 (20) 20.0
 
July 19, 2021, noon N/A N/A 5.0 ppb (5) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.16 ppb (3) 9.0 μg/m3 (9) 4.6 μg/m3 (20) 20.0
 
July 19, 2021, 11 a.m. N/A N/A 4.4 ppb (5) N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.15 ppb (2) 10.0 μg/m3 (10) 4.8 μg/m3 (20) 20.0
 
July 19, 2021, 10 a.m. N/A N/A 3.2 ppb (4) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.14 ppb (2) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
July 19, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.14 ppb (2) 10.0 μg/m3 (10) 4.9 μg/m3 (21) 21.0
 
July 19, 2021, 8 a.m. N/A N/A 3.9 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.14 ppb (2) 10.0 μg/m3 (10) 4.4 μg/m3 (19) 19.0
 
July 19, 2021, 7 a.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.12 ppb (2) 11.0 μg/m3 (11) 4.4 μg/m3 (19) 19.0
 
July 19, 2021, 6 a.m. N/A N/A 2.5 ppb (3) N/A N/A N/A 15.0 ppb (14) 0.1 ppb (2) 10.0 μg/m3 (10) 4.3 μg/m3 (18) 18.0
 
July 19, 2021, 5 a.m. N/A N/A 3.3 ppb (4) N/A N/A 0.0 ppb (0) 15.0 ppb (14) N/A 11.0 μg/m3 (11) 4.2 μg/m3 (18) 18.0
 
July 19, 2021, 4 a.m. N/A N/A 3.2 ppb (4) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.13 ppb (2) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 18.0
 
July 19, 2021, 3 a.m. N/A N/A 3.5 ppb (4) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.15 ppb (2) 12.0 μg/m3 (12) 4.3 μg/m3 (18) 22.0
 
July 19, 2021, 2 a.m. N/A N/A 4.1 ppb (4) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.15 ppb (2) 10.0 μg/m3 (10) 3.9 μg/m3 (17) 27.0
 
July 19, 2021, 1 a.m. N/A N/A 2.7 ppb (3) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.12 ppb (2) 6.0 μg/m3 (6) 2.9 μg/m3 (13) 37.0
 
July 19, 2021, midnight N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.15 ppb (2) 14.0 μg/m3 (13) 4.3 μg/m3 (18) 35.0
 
July 18, 2021, 11 p.m. N/A N/A 2.5 ppb (3) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) 12.0 μg/m3 (12) 6.3 μg/m3 (27) 28.0
 
July 18, 2021, 10 p.m. N/A N/A 2.6 ppb (3) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.16 ppb (3) 11.0 μg/m3 (11) 6.3 μg/m3 (27) 30.0
 
July 18, 2021, 9 p.m. N/A N/A 2.2 ppb (3) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) 10.0 μg/m3 (10) 5.8 μg/m3 (25) 35.0
 
July 18, 2021, 8 p.m. N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.15 ppb (2) 12.0 μg/m3 (12) 7.0 μg/m3 (30) 35.0
 
July 18, 2021, 7 p.m. N/A N/A 2.2 ppb (3) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) 14.0 μg/m3 (13) 8.2 μg/m3 (35) 35.0
 
July 18, 2021, 6 p.m. N/A N/A 2.6 ppb (3) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.18 ppb (3) 15.0 μg/m3 (14) 8.4 μg/m3 (36) 36.0
 
July 18, 2021, 5 p.m. N/A N/A 2.9 ppb (3) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.18 ppb (3) 15.0 μg/m3 (14) 8.7 μg/m3 (37) 37.0
 
July 18, 2021, 4 p.m. N/A N/A 3.3 ppb (4) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.19 ppb (3) 16.0 μg/m3 (15) 9.5 μg/m3 (40) 40.0
 
July 18, 2021, 3 p.m. N/A N/A 3.2 ppb (4) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.18 ppb (3) 17.0 μg/m3 (16) 9.4 μg/m3 (40) 40.0
 
July 18, 2021, 2 p.m. N/A N/A 2.9 ppb (3) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.17 ppb (3) 16.0 μg/m3 (15) 8.9 μg/m3 (38) 38.0
 
July 18, 2021, 1 p.m. N/A N/A 2.3 ppb (3) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.15 ppb (2) 15.0 μg/m3 (14) 8.3 μg/m3 (35) 35.0
 
July 18, 2021, noon N/A N/A 2.6 ppb (3) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.15 ppb (2) 16.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
July 18, 2021, 11 a.m. N/A N/A 2.7 ppb (3) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.14 ppb (2) 16.0 μg/m3 (15) 8.2 μg/m3 (35) 35.0
 
July 18, 2021, 10 a.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.14 ppb (2) 14.0 μg/m3 (13) 7.8 μg/m3 (33) 33.0
 
July 18, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.13 ppb (2) 15.0 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
July 18, 2021, 8 a.m. N/A N/A 2.6 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.13 ppb (2) 16.0 μg/m3 (15) 8.2 μg/m3 (35) 35.0
 
July 18, 2021, 7 a.m. N/A N/A 2.4 ppb (3) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.13 ppb (2) 15.0 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
July 18, 2021, 6 a.m. N/A N/A 2.7 ppb (3) N/A N/A N/A 23.0 ppb (22) 0.12 ppb (2) 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
July 18, 2021, 5 a.m. N/A N/A 3.3 ppb (4) N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A 16.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
July 18, 2021, 4 a.m. N/A N/A 3.4 ppb (4) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.16 ppb (3) 16.0 μg/m3 (15) 8.4 μg/m3 (36) 36.0