ID: 2019

AQSQID: 560210100

Site Name: Cheyenne Ncore

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

Updated: June 14, 2021, 7:52 p.m.

Location: Cheyenne (Chief Washwick Ave), WY

Reporting: True, Located: True

Current AQI: 61.0

Cheyenne (Chief Washwick Ave) WY, US: 41.18222, -104.778336

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 14, 2021, 5 p.m. 2.8 ppb (3) 0.3 ppb (1) 1.6 ppb (2) 3.0 ppb (3) -1.5 ppb (0) 1.0 ppb (2) 58.0 ppb (61) 0.06 ppb (2) 29.0 μg/m3 (27) N/A 61.0
 
June 14, 2021, 4 p.m. 3.1 ppb (3) 0.3 ppb (1) 2.1 ppb (2) 3.0 ppb (3) -0.1 ppb (0) 0.0 ppb (0) 54.0 ppb (50) 0.05 ppb (2) N/A N/A 50.0
 
June 14, 2021, 3 p.m. 3.2 ppb (4) 0.4 ppb (1) 2.2 ppb (3) 3.0 ppb (3) 1.8 ppb (2) 1.0 ppb (2) 53.0 ppb (50) 0.04 ppb (0) 19.0 μg/m3 (18) N/A 50.0
 
June 14, 2021, 2 p.m. 6.6 ppb (7) 1.4 ppb (2) 5.8 ppb (6) 5.0 ppb (5) 4.4 ppb (5) 0.0 ppb (0) 44.0 ppb (41) 0.05 ppb (2) 26.0 μg/m3 (25) N/A 41.0
 
June 14, 2021, 1 p.m. 8.5 ppb (9) 1.7 ppb (2) 7.9 ppb (8) 7.0 ppb (7) 6.2 ppb (6) 1.0 ppb (2) 33.0 ppb (31) 0.07 ppb (2) 13.0 μg/m3 (13) N/A 31.0
 
June 14, 2021, noon 6.8 ppb (7) 0.7 ppb (1) 5.5 ppb (6) 6.0 ppb (6) 4.9 ppb (5) 1.0 ppb (2) 26.0 ppb (25) 0.06 ppb (2) 13.0 μg/m3 (13) N/A 25.0
 
June 14, 2021, 11 a.m. 5.3 ppb (5) 0.1 ppb (1) 3.8 ppb (4) 5.0 ppb (5) 3.7 ppb (4) 1.0 ppb (2) 30.0 ppb (28) 0.06 ppb (2) 14.0 μg/m3 (13) N/A 28.0
 
June 14, 2021, 10 a.m. 4.4 ppb (5) 0.1 ppb (1) 3.3 ppb (4) 4.0 ppb (4) 3.2 ppb (4) 1.0 ppb (2) 29.0 ppb (27) 0.08 ppb (2) 16.0 μg/m3 (15) N/A 27.0
 
June 14, 2021, 9 a.m. 3.3 ppb (4) 0.0 ppb (0) 1.5 ppb (2) 3.0 ppb (3) 1.5 ppb (2) 0.0 ppb (0) 34.0 ppb (32) 0.07 ppb (2) 15.0 μg/m3 (14) N/A 32.0
 
June 14, 2021, 8 a.m. N/A N/A 3.3 ppb (4) N/A 3.3 ppb (4) N/A N/A N/A 13.0 μg/m3 (13) N/A 13.0
 
June 14, 2021, 7 a.m. 3.1 ppb (3) 0.0 ppb (0) 2.2 ppb (3) 3.0 ppb (3) 2.1 ppb (2) 1.0 ppb (2) 41.0 ppb (38) 0.04 ppb (0) 20.0 μg/m3 (19) N/A 38.0
 
June 14, 2021, 6 a.m. 2.4 ppb (3) -0.1 ppb (0) 0.6 ppb (1) 2.0 ppb (2) 0.6 ppb (1) 0.0 ppb (0) 47.0 ppb (44) 0.05 ppb (2) 19.0 μg/m3 (18) N/A 44.0
 
June 14, 2021, 5 a.m. 3.4 ppb (4) -0.1 ppb (0) 1.6 ppb (2) 4.0 ppb (4) 1.6 ppb (2) 0.0 ppb (0) 45.0 ppb (42) 0.05 ppb (2) 11.0 μg/m3 (11) N/A 42.0
 
June 14, 2021, 4 a.m. 3.3 ppb (4) 0.0 ppb (0) 1.4 ppb (2) 3.0 ppb (3) 1.4 ppb (2) 0.0 ppb (0) 46.0 ppb (43) 0.05 ppb (2) 5.0 μg/m3 (5) N/A 43.0
 
June 14, 2021, 3 a.m. 3.0 ppb (3) -0.1 ppb (0) 1.1 ppb (2) 3.0 ppb (3) 1.1 ppb (2) 0.0 ppb (0) 47.0 ppb (44) 0.07 ppb (2) 15.0 μg/m3 (14) N/A 44.0
 
June 14, 2021, 2 a.m. 3.1 ppb (3) 0.0 ppb (0) 1.2 ppb (2) 3.0 ppb (3) 1.2 ppb (2) 0.0 ppb (0) 47.0 ppb (44) 0.07 ppb (2) 9.0 μg/m3 (9) N/A 44.0
 
June 14, 2021, 1 a.m. 4.0 ppb (4) 0.3 ppb (1) 2.2 ppb (3) 4.0 ppb (4) 1.9 ppb (2) 1.0 ppb (2) 45.0 ppb (42) 0.05 ppb (2) 17.0 μg/m3 (16) N/A 42.0
 
June 14, 2021, midnight 2.9 ppb (3) 0.1 ppb (1) 1.2 ppb (2) 3.0 ppb (3) 1.1 ppb (2) 1.0 ppb (2) 46.0 ppb (43) 0.05 ppb (2) 31.0 μg/m3 (29) N/A 43.0
 
June 13, 2021, 11 p.m. 2.5 ppb (3) 0.1 ppb (1) 1.0 ppb (1) 2.0 ppb (2) 0.9 ppb (1) 0.0 ppb (0) 47.0 ppb (44) 0.06 ppb (2) 27.0 μg/m3 (25) N/A 44.0
 
June 13, 2021, 10 p.m. 2.1 ppb (2) 0.1 ppb (1) 0.9 ppb (1) 2.0 ppb (2) 0.9 ppb (1) 0.0 ppb (0) 59.0 ppb (65) 0.07 ppb (2) 30.0 μg/m3 (28) N/A 65.0
 
June 13, 2021, 9 p.m. 2.1 ppb (2) 0.0 ppb (0) 1.1 ppb (2) 2.0 ppb (2) 1.0 ppb (1) 1.0 ppb (2) 65.0 ppb (84) 0.08 ppb (2) 33.0 μg/m3 (31) N/A 84.0
 
June 13, 2021, 8 p.m. 2.1 ppb (2) 0.0 ppb (0) 0.9 ppb (1) 2.0 ppb (2) 0.8 ppb (1) 1.0 ppb (2) 60.0 ppb (68) 0.08 ppb (2) 32.0 μg/m3 (30) N/A 68.0
 
June 13, 2021, 7 p.m. 2.3 ppb (3) 0.1 ppb (1) 1.1 ppb (2) 2.0 ppb (2) 1.0 ppb (1) 1.0 ppb (2) 59.0 ppb (65) 0.07 ppb (2) 31.0 μg/m3 (29) N/A 65.0
 
June 13, 2021, 6 p.m. 2.4 ppb (3) 0.1 ppb (1) 1.3 ppb (2) 2.0 ppb (2) 1.2 ppb (2) 1.0 ppb (2) 60.0 ppb (68) 0.08 ppb (2) 42.0 μg/m3 (39) N/A 68.0
 
June 13, 2021, 5 p.m. 2.4 ppb (3) 0.1 ppb (1) 1.4 ppb (2) 2.0 ppb (2) 1.3 ppb (2) 1.0 ppb (2) 54.0 ppb (50) 0.07 ppb (2) 35.0 μg/m3 (33) N/A 50.0
 
June 13, 2021, 4 p.m. 2.0 ppb (2) 0.1 ppb (1) 0.7 ppb (1) 2.0 ppb (2) 0.6 ppb (1) 0.0 ppb (0) 49.0 ppb (46) 0.05 ppb (2) 29.0 μg/m3 (27) N/A 46.0
 
June 13, 2021, 3 p.m. 2.9 ppb (3) 0.4 ppb (1) 1.8 ppb (2) 2.0 ppb (2) 1.4 ppb (2) 0.0 ppb (0) 44.0 ppb (41) 0.06 ppb (2) 31.0 μg/m3 (29) N/A 41.0
 
June 13, 2021, 2 p.m. 10.9 ppb (11) 3.6 ppb (4) 10.5 ppb (10) 7.0 ppb (7) 6.8 ppb (7) 1.0 ppb (2) 28.0 ppb (26) 0.08 ppb (2) 23.0 μg/m3 (22) N/A 26.0
 
June 13, 2021, 1 p.m. 18.4 ppb (18) 5.0 ppb (5) 18.0 ppb (17) 13.0 ppb (13) 12.7 ppb (12) 1.0 ppb (2) 18.0 ppb (17) 0.1 ppb (2) 10.0 μg/m3 (10) N/A 18.0
 
June 13, 2021, noon 10.0 ppb (10) 0.9 ppb (1) 9.0 ppb (9) 9.0 ppb (9) 8.0 ppb (8) 0.0 ppb (0) 22.0 ppb (21) 0.08 ppb (2) 6.0 μg/m3 (6) N/A 21.0
 
June 13, 2021, 11 a.m. 7.9 ppb (8) 0.1 ppb (1) 6.8 ppb (7) 8.0 ppb (8) 6.6 ppb (7) 0.0 ppb (0) 22.0 ppb (21) 0.09 ppb (2) 12.0 μg/m3 (12) N/A 21.0
 
June 13, 2021, 10 a.m. 4.3 ppb (5) 0.1 ppb (1) 2.9 ppb (3) 4.0 ppb (4) 2.8 ppb (3) 0.0 ppb (0) 28.0 ppb (26) 0.08 ppb (2) 12.0 μg/m3 (12) N/A 26.0
 
June 13, 2021, 9 a.m. 3.4 ppb (4) 0.1 ppb (1) 1.9 ppb (2) 3.0 ppb (3) 1.8 ppb (2) 0.0 ppb (0) 30.0 ppb (28) 0.09 ppb (2) 21.0 μg/m3 (20) N/A 28.0
 
June 13, 2021, 8 a.m. 4.4 ppb (5) 0.0 ppb (0) 2.9 ppb (3) 4.0 ppb (4) 2.8 ppb (3) 1.0 ppb (2) 32.0 ppb (30) 0.09 ppb (2) 22.0 μg/m3 (21) N/A 30.0
 
June 13, 2021, 7 a.m. 3.7 ppb (4) 0.1 ppb (1) 2.1 ppb (2) 4.0 ppb (4) 2.1 ppb (2) 1.0 ppb (2) 34.0 ppb (32) 0.08 ppb (2) 29.0 μg/m3 (27) N/A 32.0
 
June 13, 2021, 6 a.m. 3.7 ppb (4) 0.0 ppb (0) 2.2 ppb (3) 4.0 ppb (4) 2.1 ppb (2) 0.0 ppb (0) 35.0 ppb (33) 0.08 ppb (2) 31.0 μg/m3 (29) N/A 33.0
 
June 13, 2021, 5 a.m. 3.8 ppb (4) 0.0 ppb (0) 2.3 ppb (3) 4.0 ppb (4) 2.2 ppb (3) 1.0 ppb (2) 38.0 ppb (36) 0.08 ppb (2) 40.0 μg/m3 (38) N/A 38.0
 
June 13, 2021, 4 a.m. 3.4 ppb (4) -0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) 2.0 ppb (2) 1.0 ppb (2) 41.0 ppb (38) 0.06 ppb (2) 38.0 μg/m3 (36) N/A 38.0
 
June 13, 2021, 3 a.m. 3.8 ppb (4) 0.0 ppb (0) 2.4 ppb (3) 4.0 ppb (4) 2.4 ppb (3) 1.0 ppb (2) 43.0 ppb (40) 0.07 ppb (2) 37.0 μg/m3 (35) N/A 40.0
 
June 13, 2021, 2 a.m. 2.9 ppb (3) 0.0 ppb (0) 1.4 ppb (2) 3.0 ppb (3) 1.4 ppb (2) 1.0 ppb (2) 47.0 ppb (44) 0.07 ppb (2) 39.0 μg/m3 (37) N/A 44.0
 
June 13, 2021, 1 a.m. 1.9 ppb (2) 0.0 ppb (0) 0.5 ppb (1) 2.0 ppb (2) 0.4 ppb (1) 1.0 ppb (2) 54.0 ppb (50) 0.06 ppb (2) 39.0 μg/m3 (37) N/A 50.0
 
June 13, 2021, midnight 1.4 ppb (2) 0.0 ppb (0) 0.1 ppb (1) 1.0 ppb (1) 0.0 ppb (0) 1.0 ppb (2) 59.0 ppb (65) 0.06 ppb (2) 41.0 μg/m3 (38) N/A 65.0
 
June 12, 2021, 11 p.m. 1.2 ppb (2) 0.0 ppb (0) -0.2 ppb (0) 1.0 ppb (1) -0.3 ppb (0) 1.0 ppb (2) 60.0 ppb (68) 0.06 ppb (2) 28.0 μg/m3 (26) N/A 68.0
 
June 12, 2021, 10 p.m. 1.3 ppb (2) 0.0 ppb (0) -0.1 ppb (0) 1.0 ppb (1) -0.1 ppb (0) 1.0 ppb (2) 62.0 ppb (74) 0.07 ppb (2) 37.0 μg/m3 (35) N/A 74.0
 
June 12, 2021, 9 p.m. 1.6 ppb (2) 0.1 ppb (1) 0.2 ppb (1) 2.0 ppb (2) 0.2 ppb (1) 1.0 ppb (2) 63.0 ppb (78) 0.09 ppb (2) 31.0 μg/m3 (29) N/A 78.0
 
June 12, 2021, 8 p.m. 1.6 ppb (2) 0.0 ppb (0) 0.4 ppb (1) 2.0 ppb (2) 0.3 ppb (1) 1.0 ppb (2) 62.0 ppb (74) 0.08 ppb (2) 34.0 μg/m3 (32) N/A 74.0
 
June 12, 2021, 7 p.m. 2.1 ppb (2) 0.1 ppb (1) 1.1 ppb (2) 2.0 ppb (2) 1.0 ppb (1) 1.0 ppb (2) 62.0 ppb (74) 0.08 ppb (2) 47.0 μg/m3 (44) N/A 74.0
 
June 12, 2021, 6 p.m. 2.5 ppb (3) 0.2 ppb (1) 1.8 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 1.0 ppb (2) 65.0 ppb (84) 0.09 ppb (2) 37.0 μg/m3 (35) N/A 84.0
 
June 12, 2021, 5 p.m. 3.6 ppb (4) 0.4 ppb (1) 3.1 ppb (3) 3.0 ppb (3) 2.7 ppb (3) 1.0 ppb (2) 63.0 ppb (78) 0.09 ppb (2) 35.0 μg/m3 (33) N/A 78.0
 
June 12, 2021, 4 p.m. 8.9 ppb (9) 2.1 ppb (2) 8.3 ppb (8) 7.0 ppb (7) 6.3 ppb (6) 1.0 ppb (2) 50.0 ppb (47) 0.08 ppb (2) 30.0 μg/m3 (28) N/A 47.0
 
June 12, 2021, 3 p.m. 12.3 ppb (12) 3.6 ppb (4) 11.6 ppb (11) 9.0 ppb (9) 8.1 ppb (8) 1.0 ppb (2) 39.0 ppb (37) 0.09 ppb (2) 33.0 μg/m3 (31) N/A 37.0
 
June 12, 2021, 2 p.m. 6.5 ppb (7) 1.5 ppb (2) 5.6 ppb (6) 5.0 ppb (5) 4.0 ppb (4) 1.0 ppb (2) 40.0 ppb (38) 0.08 ppb (2) 34.0 μg/m3 (32) N/A 38.0
 
June 12, 2021, 1 p.m. 8.7 ppb (9) 2.0 ppb (2) 7.9 ppb (8) 7.0 ppb (7) 5.8 ppb (6) 1.0 ppb (2) 34.0 ppb (32) 0.07 ppb (2) 24.0 μg/m3 (23) N/A 32.0
 
June 12, 2021, noon 4.4 ppb (5) 0.4 ppb (1) 2.7 ppb (3) 4.0 ppb (4) 2.2 ppb (3) 1.0 ppb (2) 30.0 ppb (28) 0.09 ppb (2) 19.0 μg/m3 (18) N/A 28.0
 
June 12, 2021, 11 a.m. 3.3 ppb (4) 0.0 ppb (0) 1.6 ppb (2) 3.0 ppb (3) 1.5 ppb (2) 1.0 ppb (2) 30.0 ppb (28) 0.08 ppb (2) 22.0 μg/m3 (21) N/A 28.0
 
June 12, 2021, 10 a.m. 4.5 ppb (5) 0.0 ppb (0) 3.0 ppb (3) 5.0 ppb (5) 3.0 ppb (3) 1.0 ppb (2) 38.0 ppb (36) 0.1 ppb (2) 28.0 μg/m3 (26) N/A 36.0
 
June 12, 2021, 9 a.m. 7.5 ppb (8) 0.0 ppb (0) 6.7 ppb (7) 8.0 ppb (8) 6.7 ppb (7) 1.0 ppb (2) 41.0 ppb (38) 0.1 ppb (2) 27.0 μg/m3 (25) N/A 38.0
 
June 12, 2021, 8 a.m. 8.4 ppb (8) 0.0 ppb (0) 6.9 ppb (7) 8.0 ppb (8) 6.9 ppb (7) 1.0 ppb (2) 40.0 ppb (38) 0.1 ppb (2) 33.0 μg/m3 (31) N/A 38.0
 
June 12, 2021, 7 a.m. 8.5 ppb (9) 0.0 ppb (0) 7.4 ppb (7) 9.0 ppb (9) 7.3 ppb (7) 1.0 ppb (2) 37.0 ppb (35) 0.1 ppb (2) 33.0 μg/m3 (31) N/A 35.0
 
June 12, 2021, 6 a.m. 7.0 ppb (7) 0.0 ppb (0) 5.4 ppb (6) 7.0 ppb (7) 5.4 ppb (6) 1.0 ppb (2) 39.0 ppb (37) 0.11 ppb (2) 23.0 μg/m3 (22) N/A 37.0
 
June 12, 2021, 5 a.m. 3.5 ppb (4) -0.1 ppb (0) 1.8 ppb (2) 4.0 ppb (4) 1.8 ppb (2) 1.0 ppb (2) 45.0 ppb (42) 0.11 ppb (2) 31.0 μg/m3 (29) N/A 42.0
 
June 12, 2021, 4 a.m. 3.0 ppb (3) -0.1 ppb (0) 1.3 ppb (2) 3.0 ppb (3) 1.3 ppb (2) 1.0 ppb (2) 47.0 ppb (44) 0.12 ppb (2) 26.0 μg/m3 (25) N/A 44.0
 
June 12, 2021, 3 a.m. 3.2 ppb (4) 0.0 ppb (0) 1.4 ppb (2) 3.0 ppb (3) 1.4 ppb (2) 1.0 ppb (2) 47.0 ppb (44) 0.11 ppb (2) 34.0 μg/m3 (32) N/A 44.0
 
June 12, 2021, 2 a.m. 2.7 ppb (3) 0.0 ppb (0) 1.0 ppb (1) 3.0 ppb (3) 1.0 ppb (1) 1.0 ppb (2) 49.0 ppb (46) 0.09 ppb (2) 21.0 μg/m3 (20) N/A 46.0
 
June 12, 2021, 1 a.m. 2.4 ppb (3) 0.1 ppb (1) 0.9 ppb (1) 2.0 ppb (2) 0.8 ppb (1) 1.0 ppb (2) 54.0 ppb (50) 0.09 ppb (2) 31.0 μg/m3 (29) N/A 50.0
 
June 12, 2021, midnight 1.5 ppb (2) 0.1 ppb (1) -0.2 ppb (0) 1.0 ppb (1) -0.3 ppb (0) 1.0 ppb (2) 55.0 ppb (51) 0.08 ppb (2) 31.0 μg/m3 (29) 3.0 μg/m3 (13) 51.0
 
June 11, 2021, 11 p.m. 1.3 ppb (2) 0.1 ppb (1) -0.4 ppb (0) 1.0 ppb (1) -0.6 ppb (0) 0.0 ppb (0) 53.0 ppb (50) 0.07 ppb (2) 24.0 μg/m3 (23) 9.0 μg/m3 (38) 50.0
 
June 11, 2021, 10 p.m. 1.7 ppb (2) 0.1 ppb (1) 0.2 ppb (1) 2.0 ppb (2) 0.1 ppb (1) 1.0 ppb (2) 59.0 ppb (65) 0.08 ppb (2) 38.0 μg/m3 (36) 9.0 μg/m3 (38) 65.0
 
June 11, 2021, 9 p.m. 2.2 ppb (3) 0.1 ppb (1) 1.0 ppb (1) 2.0 ppb (2) 0.9 ppb (1) 1.0 ppb (2) 64.0 ppb (81) 0.09 ppb (2) 59.0 μg/m3 (53) 10.0 μg/m3 (42) 81.0
 
June 11, 2021, 8 p.m. 2.2 ppb (3) 0.2 ppb (1) 1.0 ppb (1) 2.0 ppb (2) 0.8 ppb (1) 1.0 ppb (2) 62.0 ppb (74) 0.08 ppb (2) 55.0 μg/m3 (51) 8.0 μg/m3 (34) 74.0
 
June 11, 2021, 7 p.m. 2.1 ppb (2) 0.2 ppb (1) 0.7 ppb (1) 2.0 ppb (2) 0.5 ppb (1) 1.0 ppb (2) 58.0 ppb (61) 0.08 ppb (2) 23.0 μg/m3 (22) 2.0 μg/m3 (9) 61.0
 
June 11, 2021, 6 p.m. 1.1 ppb (2) 0.1 ppb (1) -0.7 ppb (0) 1.0 ppb (1) -0.8 ppb (0) 0.0 ppb (0) 55.0 ppb (51) 0.08 ppb (2) 14.0 μg/m3 (13) 1.0 μg/m3 (5) 51.0
 
June 11, 2021, 5 p.m. 0.9 ppb (1) 0.0 ppb (0) -1.1 ppb (0) 1.0 ppb (1) -1.1 ppb (0) 0.0 ppb (0) 52.0 ppb (49) 0.07 ppb (2) 17.0 μg/m3 (16) 0.0 μg/m3 (0) 49.0
 
June 11, 2021, 4 p.m. 0.8 ppb (1) 0.0 ppb (0) -1.2 ppb (0) 1.0 ppb (1) -1.3 ppb (0) 0.0 ppb (0) 49.0 ppb (46) 0.07 ppb (2) 13.0 μg/m3 (13) -2.0 μg/m3 (0) 46.0
 
June 11, 2021, 3 p.m. 0.8 ppb (1) 0.0 ppb (0) -1.3 ppb (0) 1.0 ppb (1) -1.4 ppb (0) 0.0 ppb (0) 45.0 ppb (42) 0.07 ppb (2) 10.0 μg/m3 (10) -1.0 μg/m3 (0) 42.0
 
June 11, 2021, 2 p.m. 0.7 ppb (1) 0.0 ppb (0) -1.3 ppb (0) 1.0 ppb (1) -1.4 ppb (0) 0.0 ppb (0) 45.0 ppb (42) 0.09 ppb (2) 9.0 μg/m3 (9) 0.0 μg/m3 (0) 42.0
 
June 11, 2021, 1 p.m. 0.8 ppb (1) 0.0 ppb (0) -1.3 ppb (0) 1.0 ppb (1) -1.4 ppb (0) 1.0 ppb (2) 44.0 ppb (41) 0.12 ppb (2) 9.0 μg/m3 (9) -2.0 μg/m3 (0) 41.0
 
June 11, 2021, noon N/A N/A -1.2 ppb (0) N/A -1.3 ppb (0) N/A N/A N/A 12.0 μg/m3 (12) -2.0 μg/m3 (0) 12.0
 
June 11, 2021, 11 a.m. 0.5 ppb (1) -0.1 ppb (0) -1.5 ppb (0) 1.0 ppb (1) -1.4 ppb (0) 1.0 ppb (2) 50.0 ppb (47) 0.12 ppb (2) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 47.0
 
June 11, 2021, 10 a.m. 0.5 ppb (1) -0.1 ppb (0) -1.4 ppb (0) 1.0 ppb (1) -1.4 ppb (0) 1.0 ppb (2) 51.0 ppb (48) 0.13 ppb (2) 21.0 μg/m3 (20) 6.0 μg/m3 (25) 48.0
 
June 11, 2021, 9 a.m. 0.6 ppb (1) -0.1 ppb (0) -1.4 ppb (0) 1.0 ppb (1) -1.4 ppb (0) 1.0 ppb (2) 53.0 ppb (50) 0.14 ppb (2) 34.0 μg/m3 (32) 5.0 μg/m3 (21) 50.0
 
June 11, 2021, 8 a.m. N/A N/A -1.4 ppb (0) N/A -1.4 ppb (0) N/A N/A N/A 39.0 μg/m3 (37) 9.0 μg/m3 (38) 38.0
 
June 11, 2021, 7 a.m. 0.8 ppb (1) 0.0 ppb (0) -1.2 ppb (0) 1.0 ppb (1) -1.2 ppb (0) 1.0 ppb (2) 48.0 ppb (45) 0.11 ppb (2) 55.0 μg/m3 (51) 13.0 μg/m3 (53) 53.0
 
June 11, 2021, 6 a.m. 0.7 ppb (1) 0.0 ppb (0) -1.3 ppb (0) 1.0 ppb (1) -1.3 ppb (0) 1.0 ppb (2) 48.0 ppb (45) 0.1 ppb (2) 70.0 μg/m3 (59) 14.0 μg/m3 (55) 59.0
 
June 11, 2021, 5 a.m. 0.9 ppb (1) -0.1 ppb (0) -1.0 ppb (0) 1.0 ppb (1) -1.0 ppb (0) 1.0 ppb (2) 46.0 ppb (43) 0.08 ppb (2) 135.0 μg/m3 (91) 4.0 μg/m3 (17) 91.0
 
June 11, 2021, 4 a.m. 1.7 ppb (2) 0.0 ppb (0) -0.1 ppb (0) 2.0 ppb (2) -0.1 ppb (0) 1.0 ppb (2) 38.0 ppb (36) 0.07 ppb (2) 41.0 μg/m3 (38) 3.0 μg/m3 (13) 38.0
 
June 11, 2021, 3 a.m. 2.8 ppb (3) 0.0 ppb (0) 1.0 ppb (1) 3.0 ppb (3) 0.9 ppb (1) 1.0 ppb (2) 37.0 ppb (35) 0.07 ppb (2) 26.0 μg/m3 (25) 6.0 μg/m3 (25) 35.0
 
June 11, 2021, 2 a.m. 7.7 ppb (8) 0.0 ppb (0) 6.4 ppb (7) 8.0 ppb (8) 6.3 ppb (6) 1.0 ppb (2) 46.0 ppb (43) 0.1 ppb (2) 30.0 μg/m3 (28) 7.0 μg/m3 (30) 43.0
 
June 11, 2021, 1 a.m. 2.7 ppb (3) 0.1 ppb (1) 1.1 ppb (2) 3.0 ppb (3) 1.1 ppb (2) 1.0 ppb (2) 53.0 ppb (50) 0.08 ppb (2) 26.0 μg/m3 (25) 6.0 μg/m3 (25) 50.0
 
June 11, 2021, midnight 2.2 ppb (3) 0.1 ppb (1) 0.7 ppb (1) 2.0 ppb (2) 0.6 ppb (1) 1.0 ppb (2) 61.0 ppb (71) 0.09 ppb (2) 23.0 μg/m3 (22) 8.0 μg/m3 (34) 71.0
 
June 10, 2021, 11 p.m. 1.9 ppb (2) 0.1 ppb (1) 0.7 ppb (1) 2.0 ppb (2) 0.5 ppb (1) 1.0 ppb (2) 64.0 ppb (81) 0.08 ppb (2) 28.0 μg/m3 (26) 6.0 μg/m3 (25) 81.0
 
June 10, 2021, 10 p.m. 2.2 ppb (3) 0.1 ppb (1) 1.4 ppb (2) 2.0 ppb (2) 1.2 ppb (2) 1.0 ppb (2) 68.0 ppb (94) 0.09 ppb (2) 23.0 μg/m3 (22) 4.0 μg/m3 (17) 94.0
 
June 10, 2021, 9 p.m. 2.8 ppb (3) 0.2 ppb (1) 1.0 ppb (1) 3.0 ppb (3) 0.8 ppb (1) 1.0 ppb (2) 70.0 ppb (100) 0.1 ppb (2) 26.0 μg/m3 (25) 5.0 μg/m3 (21) 100.0
 
June 10, 2021, 8 p.m. 2.4 ppb (3) 0.2 ppb (1) 0.7 ppb (1) 2.0 ppb (2) 0.6 ppb (1) 1.0 ppb (2) 57.0 ppb (58) 0.12 ppb (2) 25.0 μg/m3 (24) 3.0 μg/m3 (13) 58.0
 
June 10, 2021, 7 p.m. 3.3 ppb (4) 0.4 ppb (1) 1.4 ppb (2) 3.0 ppb (3) 1.1 ppb (2) 1.0 ppb (2) 60.0 ppb (68) 0.09 ppb (2) 22.0 μg/m3 (21) 4.0 μg/m3 (17) 68.0
 
June 10, 2021, 6 p.m. 2.6 ppb (3) 0.3 ppb (1) 1.6 ppb (2) 2.0 ppb (2) 1.3 ppb (2) 1.0 ppb (2) 61.0 ppb (71) 0.1 ppb (2) 21.0 μg/m3 (20) 8.0 μg/m3 (34) 71.0
 
June 10, 2021, 5 p.m. 6.1 ppb (6) 0.6 ppb (1) 5.0 ppb (5) 5.0 ppb (5) 4.4 ppb (5) 1.0 ppb (2) 56.0 ppb (55) 0.14 ppb (2) 26.0 μg/m3 (25) 13.0 μg/m3 (53) 55.0
 
June 10, 2021, 4 p.m. 7.0 ppb (7) 1.0 ppb (1) 6.5 ppb (7) 6.0 ppb (6) 5.5 ppb (6) 1.0 ppb (2) 51.0 ppb (48) 0.14 ppb (2) 26.0 μg/m3 (25) 11.0 μg/m3 (46) 48.0
 
June 10, 2021, 3 p.m. 6.1 ppb (6) 0.8 ppb (1) 5.5 ppb (6) 5.0 ppb (5) 4.7 ppb (5) 1.0 ppb (2) 44.0 ppb (41) 0.09 ppb (2) 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
June 10, 2021, 2 p.m. 9.5 ppb (9) 2.2 ppb (3) 9.2 ppb (9) 7.0 ppb (7) 7.0 ppb (7) 1.0 ppb (2) 36.0 ppb (34) 0.11 ppb (2) 38.0 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
June 10, 2021, 1 p.m. 16.4 ppb (16) 4.2 ppb (4) 16.3 ppb (16) 12.0 ppb (12) 12.1 ppb (12) 1.0 ppb (2) 27.0 ppb (25) 0.12 ppb (2) 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
June 10, 2021, noon 16.0 ppb (16) 3.1 ppb (3) 15.6 ppb (15) 13.0 ppb (13) 12.6 ppb (12) 1.0 ppb (2) 19.0 ppb (18) 0.11 ppb (2) 26.0 μg/m3 (25) 4.0 μg/m3 (17) 25.0
 
June 10, 2021, 11 a.m. 8.9 ppb (9) 0.3 ppb (1) 7.8 ppb (8) 9.0 ppb (9) 7.5 ppb (8) 1.0 ppb (2) 23.0 ppb (22) 0.09 ppb (2) 18.0 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
June 10, 2021, 10 a.m. 4.8 ppb (5) 0.1 ppb (1) 3.3 ppb (4) 5.0 ppb (5) 3.2 ppb (4) 1.0 ppb (2) 30.0 ppb (28) 0.09 ppb (2) 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
June 10, 2021, 9 a.m. 3.5 ppb (4) 0.1 ppb (1) 1.8 ppb (2) 3.0 ppb (3) 1.7 ppb (2) 1.0 ppb (2) 33.0 ppb (31) 0.09 ppb (2) 18.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
June 10, 2021, 8 a.m. 3.5 ppb (4) 0.1 ppb (1) 1.9 ppb (2) 3.0 ppb (3) 1.8 ppb (2) 1.0 ppb (2) 36.0 ppb (34) 0.09 ppb (2) 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
June 10, 2021, 7 a.m. 3.1 ppb (3) 0.0 ppb (0) 1.5 ppb (2) 3.0 ppb (3) 1.4 ppb (2) 1.0 ppb (2) 39.0 ppb (37) 0.09 ppb (2) 22.0 μg/m3 (21) 8.0 μg/m3 (34) 37.0
 
June 10, 2021, 6 a.m. 2.8 ppb (3) 0.0 ppb (0) 1.1 ppb (2) 3.0 ppb (3) 1.1 ppb (2) 1.0 ppb (2) 43.0 ppb (40) 0.09 ppb (2) 26.0 μg/m3 (25) 8.0 μg/m3 (34) 40.0
 
June 10, 2021, 5 a.m. 2.9 ppb (3) 0.0 ppb (0) 1.1 ppb (2) 3.0 ppb (3) 1.1 ppb (2) 1.0 ppb (2) 44.0 ppb (41) 0.09 ppb (2) 25.0 μg/m3 (24) 9.0 μg/m3 (38) 41.0
 
June 10, 2021, 4 a.m. 3.7 ppb (4) 0.0 ppb (0) 2.0 ppb (2) 4.0 ppb (4) 2.0 ppb (2) 1.0 ppb (2) 45.0 ppb (42) 0.08 ppb (2) 32.0 μg/m3 (30) 6.0 μg/m3 (25) 42.0
 
June 10, 2021, 3 a.m. 3.8 ppb (4) 0.0 ppb (0) 2.3 ppb (3) 4.0 ppb (4) 2.3 ppb (3) 1.0 ppb (2) 47.0 ppb (44) 0.07 ppb (2) 26.0 μg/m3 (25) 2.0 μg/m3 (9) 44.0
 
June 10, 2021, 2 a.m. 4.4 ppb (5) 0.0 ppb (0) 2.8 ppb (3) 4.0 ppb (4) 2.7 ppb (3) 1.0 ppb (2) 48.0 ppb (45) 0.08 ppb (2) 28.0 μg/m3 (26) 2.0 μg/m3 (9) 45.0
 
June 10, 2021, 1 a.m. 3.4 ppb (4) 0.2 ppb (1) 1.8 ppb (2) 3.0 ppb (3) 1.7 ppb (2) 0.0 ppb (0) 54.0 ppb (50) 0.07 ppb (2) 20.0 μg/m3 (19) 1.0 μg/m3 (5) 50.0
 
June 10, 2021, midnight 2.0 ppb (2) 0.2 ppb (1) 0.5 ppb (1) 2.0 ppb (2) 0.4 ppb (1) 1.0 ppb (2) 59.0 ppb (65) 0.06 ppb (2) 19.0 μg/m3 (18) 0.0 μg/m3 (0) 65.0
 
June 9, 2021, 11 p.m. 1.7 ppb (2) 0.1 ppb (1) 0.1 ppb (1) 2.0 ppb (2) 0.0 ppb (0) 1.0 ppb (2) 60.0 ppb (68) 0.06 ppb (2) 13.0 μg/m3 (13) 3.0 μg/m3 (13) 68.0
 
June 9, 2021, 10 p.m. 1.5 ppb (2) 0.1 ppb (1) -0.2 ppb (0) 1.0 ppb (1) -0.3 ppb (0) 0.0 ppb (0) 59.0 ppb (65) 0.05 ppb (2) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 65.0
 
June 9, 2021, 9 p.m. 1.7 ppb (2) 0.1 ppb (1) 0.1 ppb (1) 2.0 ppb (2) 0.0 ppb (0) 0.0 ppb (0) 60.0 ppb (68) 0.06 ppb (2) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 68.0
 
June 9, 2021, 8 p.m. 1.9 ppb (2) 0.2 ppb (1) 0.6 ppb (1) 2.0 ppb (2) 0.4 ppb (1) 0.0 ppb (0) 62.0 ppb (74) 0.07 ppb (2) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 74.0
 
June 9, 2021, 7 p.m. 2.1 ppb (2) 0.2 ppb (1) 0.8 ppb (1) 2.0 ppb (2) 0.7 ppb (1) 1.0 ppb (2) 64.0 ppb (81) 0.07 ppb (2) 20.0 μg/m3 (19) 2.0 μg/m3 (9) 81.0
 
June 9, 2021, 6 p.m. 2.5 ppb (3) 0.3 ppb (1) 1.2 ppb (2) 2.0 ppb (2) 1.0 ppb (1) 1.0 ppb (2) 62.0 ppb (74) 0.07 ppb (2) 22.0 μg/m3 (21) 2.0 μg/m3 (9) 74.0
 
June 9, 2021, 5 p.m. 2.7 ppb (3) 0.4 ppb (1) 1.4 ppb (2) 2.0 ppb (2) 1.0 ppb (1) 1.0 ppb (2) 59.0 ppb (65) 0.07 ppb (2) 14.0 μg/m3 (13) 2.0 μg/m3 (9) 65.0
 
June 9, 2021, 4 p.m. 3.2 ppb (4) 0.5 ppb (1) 1.8 ppb (2) 3.0 ppb (3) 1.3 ppb (2) 1.0 ppb (2) 53.0 ppb (50) 0.06 ppb (2) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 50.0
 
June 9, 2021, 3 p.m. 11.4 ppb (11) 3.2 ppb (4) 10.9 ppb (11) 8.0 ppb (8) 7.8 ppb (8) 1.0 ppb (2) 43.0 ppb (40) 0.09 ppb (2) 27.0 μg/m3 (25) 4.0 μg/m3 (17) 40.0
 
June 9, 2021, 2 p.m. 15.6 ppb (15) 4.8 ppb (5) 15.6 ppb (15) 11.0 ppb (11) 10.9 ppb (11) 1.0 ppb (2) 35.0 ppb (33) 0.1 ppb (2) 25.0 μg/m3 (24) 5.0 μg/m3 (21) 33.0
 
June 9, 2021, 1 p.m. 5.8 ppb (6) 1.2 ppb (2) 4.5 ppb (5) 5.0 ppb (5) 3.3 ppb (4) 1.0 ppb (2) 36.0 ppb (34) 0.08 ppb (2) 29.0 μg/m3 (27) 5.0 μg/m3 (21) 34.0
 
June 9, 2021, noon 6.7 ppb (7) 0.6 ppb (1) 5.4 ppb (6) 6.0 ppb (6) 4.8 ppb (5) 1.0 ppb (2) 37.0 ppb (35) 0.09 ppb (2) 23.0 μg/m3 (22) 7.0 μg/m3 (30) 35.0
 
June 9, 2021, 11 a.m. 5.8 ppb (6) 0.0 ppb (0) 5.1 ppb (5) 6.0 ppb (6) 5.0 ppb (5) 1.0 ppb (2) 38.0 ppb (36) 0.09 ppb (2) 21.0 μg/m3 (20) 5.0 μg/m3 (21) 36.0
 
June 9, 2021, 10 a.m. 3.5 ppb (4) 0.0 ppb (0) 1.3 ppb (2) 3.0 ppb (3) 1.3 ppb (2) 1.0 ppb (2) 35.0 ppb (33) 0.1 ppb (2) 16.0 μg/m3 (15) 7.0 μg/m3 (30) 33.0
 
June 9, 2021, 9 a.m. 4.7 ppb (5) 0.0 ppb (0) 2.4 ppb (3) 5.0 ppb (5) 2.3 ppb (3) 1.0 ppb (2) 31.0 ppb (29) 0.1 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 29.0
 
June 9, 2021, 8 a.m. 4.8 ppb (5) 0.0 ppb (0) 2.9 ppb (3) 5.0 ppb (5) 2.9 ppb (3) 1.0 ppb (2) 32.0 ppb (30) 0.11 ppb (2) 14.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
June 9, 2021, 7 a.m. 4.7 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 30.0 ppb (28) 0.12 ppb (2) 20.0 μg/m3 (19) 6.0 μg/m3 (25) 28.0
 
June 9, 2021, 6 a.m. 4.2 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 31.0 ppb (29) 0.12 ppb (2) 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
June 9, 2021, 5 a.m. 4.4 ppb (5) 0.0 ppb (0) 4.7 ppb (5) 4.0 ppb (4) 4.7 ppb (5) 1.0 ppb (2) 32.0 ppb (30) 0.12 ppb (2) 27.0 μg/m3 (25) 8.0 μg/m3 (34) 34.0
 
June 9, 2021, 4 a.m. 3.8 ppb (4) 0.0 ppb (0) 4.3 ppb (5) 4.0 ppb (4) 4.3 ppb (5) 1.0 ppb (2) 45.0 ppb (42) 0.11 ppb (2) 21.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
June 9, 2021, 3 a.m. 3.7 ppb (4) 0.0 ppb (0) 3.7 ppb (4) 4.0 ppb (4) 3.7 ppb (4) 1.0 ppb (2) 49.0 ppb (46) 0.12 ppb (2) 30.0 μg/m3 (28) 8.0 μg/m3 (34) 46.0
 
June 9, 2021, 2 a.m. 2.2 ppb (3) -0.1 ppb (0) 2.4 ppb (3) 2.0 ppb (2) 2.4 ppb (3) 1.0 ppb (2) 55.0 ppb (51) 0.1 ppb (2) 33.0 μg/m3 (31) 14.0 μg/m3 (55) 55.0
 
June 9, 2021, 1 a.m. 1.8 ppb (2) -0.1 ppb (0) 2.1 ppb (2) 2.0 ppb (2) 2.1 ppb (2) 1.0 ppb (2) 57.0 ppb (58) 0.08 ppb (2) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 58.0
 
June 9, 2021, midnight 2.9 ppb (3) 0.0 ppb (0) 4.0 ppb (4) 3.0 ppb (3) 4.0 ppb (4) 1.0 ppb (2) 54.0 ppb (50) 0.08 ppb (2) 28.0 μg/m3 (26) 3.0 μg/m3 (13) 50.0
 
June 8, 2021, 11 p.m. 2.3 ppb (3) 0.0 ppb (0) 3.2 ppb (4) 2.0 ppb (2) 3.1 ppb (3) 1.0 ppb (2) 58.0 ppb (61) 0.08 ppb (2) 19.0 μg/m3 (18) 3.0 μg/m3 (13) 61.0
 
June 8, 2021, 10 p.m. 1.5 ppb (2) 0.0 ppb (0) 2.4 ppb (3) 1.0 ppb (1) 2.3 ppb (3) 1.0 ppb (2) 60.0 ppb (68) 0.08 ppb (2) 23.0 μg/m3 (22) 3.0 μg/m3 (13) 68.0
 
June 8, 2021, 9 p.m. 1.6 ppb (2) 0.1 ppb (1) 2.5 ppb (3) 2.0 ppb (2) 2.4 ppb (3) 1.0 ppb (2) 59.0 ppb (65) 0.08 ppb (2) 20.0 μg/m3 (19) -3.0 μg/m3 (0) 65.0
 
June 8, 2021, 8 p.m. 1.4 ppb (2) 0.1 ppb (1) 2.3 ppb (3) 1.0 ppb (1) 2.2 ppb (3) 1.0 ppb (2) 57.0 ppb (58) 0.07 ppb (2) 20.0 μg/m3 (19) -1.0 μg/m3 (0) 58.0
 
June 8, 2021, 7 p.m. 1.9 ppb (2) 0.1 ppb (1) 2.9 ppb (3) 2.0 ppb (2) 2.8 ppb (3) 1.0 ppb (2) 58.0 ppb (61) 0.07 ppb (2) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 61.0
 
June 8, 2021, 6 p.m. 2.3 ppb (3) 0.2 ppb (1) 3.5 ppb (4) 2.0 ppb (2) 3.3 ppb (4) 1.0 ppb (2) 61.0 ppb (71) 0.07 ppb (2) 24.0 μg/m3 (23) 4.0 μg/m3 (17) 71.0
 
June 8, 2021, 5 p.m. 1.7 ppb (2) 0.2 ppb (1) 2.6 ppb (3) 2.0 ppb (2) 2.4 ppb (3) 1.0 ppb (2) 57.0 ppb (58) 0.07 ppb (2) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 58.0
 
June 8, 2021, 4 p.m. 2.2 ppb (3) 0.3 ppb (1) 3.1 ppb (3) 2.0 ppb (2) 2.8 ppb (3) 1.0 ppb (2) 56.0 ppb (55) 0.07 ppb (2) 18.0 μg/m3 (17) 1.0 μg/m3 (5) 55.0
 
June 8, 2021, 3 p.m. 3.9 ppb (4) 0.7 ppb (1) 5.0 ppb (5) 3.0 ppb (3) 4.3 ppb (5) 1.0 ppb (2) 53.0 ppb (50) 0.08 ppb (2) 20.0 μg/m3 (19) 3.0 μg/m3 (13) 50.0
 
June 8, 2021, 2 p.m. 9.1 ppb (9) 2.1 ppb (2) 10.6 ppb (10) 7.0 ppb (7) 8.5 ppb (9) 1.0 ppb (2) 46.0 ppb (43) 0.1 ppb (2) 33.0 μg/m3 (31) 5.0 μg/m3 (21) 43.0
 
June 8, 2021, 1 p.m. 17.8 ppb (17) 4.7 ppb (5) 20.3 ppb (20) 13.0 ppb (13) 15.4 ppb (15) 1.0 ppb (2) 30.0 ppb (28) 0.12 ppb (2) 28.0 μg/m3 (26) 7.0 μg/m3 (30) 30.0
 
June 8, 2021, noon 14.2 ppb (14) 1.7 ppb (2) 17.1 ppb (17) 13.0 ppb (13) 15.3 ppb (15) 1.0 ppb (2) 32.0 ppb (30) 0.12 ppb (2) 21.0 μg/m3 (20) 1.0 μg/m3 (5) 30.0
 
June 8, 2021, 11 a.m. 17.4 ppb (17) 0.2 ppb (1) 19.4 ppb (19) 17.0 ppb (17) 19.2 ppb (19) 1.0 ppb (2) 32.0 ppb (30) 0.12 ppb (2) 13.0 μg/m3 (13) 0.0 μg/m3 (0) 30.0
 
June 8, 2021, 10 a.m. 18.0 ppb (17) 0.0 ppb (0) 19.4 ppb (19) 18.0 ppb (17) 19.3 ppb (19) 1.0 ppb (2) 30.0 ppb (28) 0.11 ppb (2) 16.0 μg/m3 (15) 1.0 μg/m3 (5) 28.0
 
June 8, 2021, 9 a.m. 19.6 ppb (19) 0.2 ppb (1) 13.1 ppb (13) 19.0 ppb (18) 13.0 ppb (13) 1.0 ppb (2) 23.0 ppb (22) 0.13 ppb (2) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 22.0
 
June 8, 2021, 8 a.m. N/A N/A 7.4 ppb (7) N/A 7.3 ppb (7) N/A N/A N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
June 8, 2021, 7 a.m. 8.1 ppb (8) 0.0 ppb (0) 9.3 ppb (9) 8.0 ppb (8) 9.3 ppb (9) 1.0 ppb (2) 41.0 ppb (38) 0.08 ppb (2) 7.0 μg/m3 (7) 1.0 μg/m3 (5) 38.0
 
June 8, 2021, 6 a.m. 8.7 ppb (9) 0.0 ppb (0) 10.3 ppb (10) 9.0 ppb (9) 10.2 ppb (10) 1.0 ppb (2) 42.0 ppb (39) 0.09 ppb (2) 13.0 μg/m3 (13) 0.0 μg/m3 (0) 39.0
 
June 8, 2021, 5 a.m. 3.8 ppb (4) -0.1 ppb (0) 5.0 ppb (5) 4.0 ppb (4) 4.9 ppb (5) 1.0 ppb (2) 51.0 ppb (48) 0.08 ppb (2) 9.0 μg/m3 (9) 1.0 μg/m3 (5) 48.0
 
June 8, 2021, 4 a.m. 1.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 56.0 ppb (55) 0.07 ppb (2) 13.0 μg/m3 (13) 2.0 μg/m3 (9) 55.0
 
June 8, 2021, 3 a.m. 2.1 ppb (2) 0.0 ppb (0) 2.7 ppb (3) 2.0 ppb (2) 2.6 ppb (3) 1.0 ppb (2) 61.0 ppb (71) 0.09 ppb (2) 21.0 μg/m3 (20) 1.0 μg/m3 (5) 71.0
 
June 8, 2021, 2 a.m. 2.0 ppb (2) -0.1 ppb (0) 3.0 ppb (3) 2.0 ppb (2) 2.8 ppb (3) 1.0 ppb (2) 57.0 ppb (58) 0.02 ppb (0) 20.0 μg/m3 (19) 3.0 μg/m3 (13) 58.0
 
June 8, 2021, 1 a.m. 1.8 ppb (2) -0.1 ppb (0) 2.6 ppb (3) 2.0 ppb (2) 2.6 ppb (3) 1.0 ppb (2) 58.0 ppb (61) 0.02 ppb (0) 19.0 μg/m3 (18) 4.0 μg/m3 (17) 61.0
 
June 8, 2021, midnight 2.1 ppb (2) -0.1 ppb (0) 2.5 ppb (3) 2.0 ppb (2) 2.5 ppb (3) 1.0 ppb (2) 51.0 ppb (48) 0.02 ppb (0) 26.0 μg/m3 (25) 2.0 μg/m3 (9) 48.0
 
June 7, 2021, 11 p.m. 1.1 ppb (2) 0.0 ppb (0) 1.5 ppb (2) 1.0 ppb (1) 1.5 ppb (2) 1.0 ppb (2) 55.0 ppb (51) 0.02 ppb (0) 12.0 μg/m3 (12) 1.0 μg/m3 (5) 51.0
 
June 7, 2021, 10 p.m. 0.9 ppb (1) 0.0 ppb (0) 1.3 ppb (2) 1.0 ppb (1) 1.3 ppb (2) 1.0 ppb (2) 54.0 ppb (50) 0.03 ppb (0) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 50.0
 
June 7, 2021, 9 p.m. 0.9 ppb (1) 0.0 ppb (0) 1.3 ppb (2) 1.0 ppb (1) 1.2 ppb (2) 1.0 ppb (2) 56.0 ppb (55) 0.03 ppb (0) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 55.0
 
June 7, 2021, 8 p.m. 0.9 ppb (1) 0.0 ppb (0) 1.3 ppb (2) 1.0 ppb (1) 1.3 ppb (2) 1.0 ppb (2) 55.0 ppb (51) 0.03 ppb (0) 15.0 μg/m3 (14) 1.0 μg/m3 (5) 51.0
 
June 7, 2021, 7 p.m. 2.6 ppb (3) 0.2 ppb (1) 3.8 ppb (4) 2.0 ppb (2) 3.6 ppb (4) 1.0 ppb (2) 60.0 ppb (68) 0.03 ppb (0) 24.0 μg/m3 (23) 3.0 μg/m3 (13) 68.0
 
June 7, 2021, 6 p.m. 3.5 ppb (4) 0.4 ppb (1) 4.9 ppb (5) 3.0 ppb (3) 4.5 ppb (5) 1.0 ppb (2) 59.0 ppb (65) 0.04 ppb (0) 21.0 μg/m3 (20) 2.0 μg/m3 (9) 65.0