ID: 739

AQSQID: 440071010

Site Name: E Providence

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

Updated: July 14, 2020, 12:35 p.m.

Location: Rumford (Rumford), RI

Reporting: True, Located: True

Current AQI: 29.0

Rumford (Rumford) RI, US: 41.840302, -71.361702

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 14, 2020, 11 a.m. 6.1 ppb (6) 1.4 ppb (1) 3.4 ppb (3) 5.0 ppb (5) 2.0 ppb (2) 0.0 ppb (0) 19.0 ppb (15) 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 14, 2020, 10 a.m. 7.5 ppb (7) 1.3 ppb (1) 4.6 ppb (4) 6.0 ppb (6) 3.3 ppb (3) 0.0 ppb (0) 13.0 ppb (10) 0.24 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 14, 2020, 9 a.m. 7.4 ppb (7) 0.3 ppb (0) 4.3 ppb (4) 7.0 ppb (6) 4.0 ppb (4) 0.0 ppb (0) N/A 0.27 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 8 a.m. 5.6 ppb (5) 0.1 ppb (0) 2.6 ppb (2) 6.0 ppb (6) 2.5 ppb (2) 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 14, 2020, 7 a.m. 5.8 ppb (5) 0.1 ppb (0) 2.5 ppb (2) 6.0 ppb (6) 2.4 ppb (2) 0.0 ppb (0) 16.0 ppb (12) 0.19 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 6 a.m. 4.9 ppb (5) 0.1 ppb (0) 1.5 ppb (1) 5.0 ppb (5) 1.4 ppb (1) 0.0 ppb (0) 19.0 ppb (15) 0.19 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2020, 5 a.m. 7.2 ppb (7) 0.1 ppb (0) 2.9 ppb (3) 7.0 ppb (6) 2.8 ppb (3) 0.0 ppb (0) 19.0 ppb (15) 0.22 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2020, 4 a.m. 7.0 ppb (6) 0.1 ppb (0) 2.3 ppb (2) 7.0 ppb (6) 2.2 ppb (2) 0.0 ppb (0) 20.0 ppb (15) 0.19 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 14, 2020, 3 a.m. 6.5 ppb (6) 0.0 ppb (0) 1.0 ppb (1) 7.0 ppb (6) 0.9 ppb (1) 0.0 ppb (0) 25.0 ppb (19) 0.23 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2020, 2 a.m. 6.8 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 1 a.m. 5.1 ppb (5) 0.0 ppb (0) 3.1 ppb (3) 5.0 ppb (5) 3.1 ppb (3) 0.0 ppb (0) 43.0 ppb (33) 0.18 ppb (2) N/A 5.0 μg/m3 (21) 33.0
 
July 14, 2020, midnight 4.0 ppb (4) 0.1 ppb (0) 2.1 ppb (2) 4.0 ppb (4) 2.1 ppb (2) 0.0 ppb (0) 49.0 ppb (38) 0.18 ppb (2) N/A 7.0 μg/m3 (29) 38.0
 
July 13, 2020, 11 p.m. 3.5 ppb (3) 0.1 ppb (0) 1.7 ppb (2) 3.0 ppb (3) 1.5 ppb (1) 0.0 ppb (0) 52.0 ppb (40) 0.18 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 13, 2020, 10 p.m. 2.9 ppb (3) 0.2 ppb (0) 1.1 ppb (1) 3.0 ppb (3) 0.9 ppb (1) 0.0 ppb (0) 54.0 ppb (42) 0.18 ppb (2) N/A 8.0 μg/m3 (33) 42.0
 
July 13, 2020, 9 p.m. 2.7 ppb (3) 0.2 ppb (0) 0.8 ppb (1) 3.0 ppb (3) 0.6 ppb (1) 0.0 ppb (0) 58.0 ppb (45) 0.18 ppb (2) N/A 7.0 μg/m3 (29) 45.0
 
July 13, 2020, 8 p.m. 2.8 ppb (3) 0.2 ppb (0) 1.0 ppb (1) 3.0 ppb (3) 0.8 ppb (1) 0.0 ppb (0) 54.0 ppb (42) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 42.0
 
July 13, 2020, 7 p.m. 2.8 ppb (3) 0.2 ppb (0) 1.0 ppb (1) 3.0 ppb (3) 0.8 ppb (1) 0.0 ppb (0) 53.0 ppb (41) 0.17 ppb (2) N/A 7.0 μg/m3 (29) 41.0
 
July 13, 2020, 6 p.m. 2.8 ppb (3) 0.3 ppb (0) 1.0 ppb (1) 3.0 ppb (3) 0.7 ppb (1) 0.0 ppb (0) 54.0 ppb (42) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 42.0
 
July 13, 2020, 5 p.m. 2.8 ppb (3) 0.2 ppb (0) 1.0 ppb (1) 3.0 ppb (3) 0.8 ppb (1) 0.0 ppb (0) 55.0 ppb (42) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 42.0
 
July 13, 2020, 4 p.m. 2.7 ppb (3) 0.2 ppb (0) 0.9 ppb (1) 3.0 ppb (3) 0.7 ppb (1) 0.0 ppb (0) 53.0 ppb (41) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 41.0
 
July 13, 2020, 3 p.m. 3.9 ppb (4) 0.3 ppb (0) 2.1 ppb (2) 4.0 ppb (4) 1.8 ppb (2) 0.0 ppb (0) 53.0 ppb (41) 0.18 ppb (2) N/A 4.0 μg/m3 (17) 41.0
 
July 13, 2020, 2 p.m. 7.5 ppb (7) 1.2 ppb (1) 5.9 ppb (5) 6.0 ppb (6) 4.8 ppb (4) 0.0 ppb (0) 42.0 ppb (32) 0.21 ppb (2) N/A 5.0 μg/m3 (21) 32.0
 
July 13, 2020, 1 p.m. 9.9 ppb (9) 1.3 ppb (1) 8.4 ppb (8) 9.0 ppb (8) 7.2 ppb (7) 0.0 ppb (0) 30.0 ppb (23) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
July 13, 2020, noon 11.7 ppb (11) 1.2 ppb (1) 10.4 ppb (10) 10.0 ppb (9) 9.2 ppb (9) 0.0 ppb (0) 26.0 ppb (20) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
July 13, 2020, 11 a.m. 11.5 ppb (11) 0.8 ppb (1) 9.8 ppb (9) 11.0 ppb (10) 9.0 ppb (8) 0.0 ppb (0) 24.0 ppb (18) 0.23 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 13, 2020, 10 a.m. 9.4 ppb (9) 0.3 ppb (0) 7.9 ppb (7) 9.0 ppb (8) 7.6 ppb (7) 0.0 ppb (0) 26.0 ppb (20) 0.21 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 13, 2020, 9 a.m. 4.8 ppb (4) 0.1 ppb (0) 2.8 ppb (3) 5.0 ppb (5) 2.7 ppb (3) 0.0 ppb (0) 32.0 ppb (25) 0.18 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 13, 2020, 8 a.m. 4.9 ppb (5) 0.0 ppb (0) 2.9 ppb (3) 5.0 ppb (5) 2.8 ppb (3) 1.0 ppb (1) 33.0 ppb (25) 0.18 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 13, 2020, 7 a.m. 4.0 ppb (4) 0.1 ppb (0) 1.9 ppb (2) 4.0 ppb (4) 1.8 ppb (2) 0.0 ppb (0) 37.0 ppb (28) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 12, 2020, 11 p.m. 4.4 ppb (4) 0.2 ppb (0) 2.5 ppb (2) 4.0 ppb (4) 2.2 ppb (2) 0.0 ppb (0) 39.0 ppb (30) 0.17 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 12, 2020, 10 p.m. 3.8 ppb (4) 0.4 ppb (0) 2.0 ppb (2) 3.0 ppb (3) 1.6 ppb (1) 0.0 ppb (0) 41.0 ppb (32) 0.17 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 12, 2020, 9 p.m. 2.9 ppb (3) 0.4 ppb (0) 0.9 ppb (1) 3.0 ppb (3) 0.5 ppb (0) 0.0 ppb (0) 41.0 ppb (32) 0.16 ppb (2) N/A 6.0 μg/m3 (25) 32.0
 
July 12, 2020, 8 p.m. 3.4 ppb (3) 0.5 ppb (0) 1.4 ppb (1) 3.0 ppb (3) 0.9 ppb (1) 0.0 ppb (0) 40.0 ppb (31) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 31.0
 
July 12, 2020, 7 p.m. 2.7 ppb (3) 0.4 ppb (0) 0.7 ppb (1) 2.0 ppb (2) 0.3 ppb (0) 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 30.0
 
July 12, 2020, 6 p.m. 2.2 ppb (2) 0.3 ppb (0) 0.1 ppb (0) 2.0 ppb (2) -0.1 ppb (0) 0.0 ppb (0) 40.0 ppb (31) 0.14 ppb (2) N/A 3.0 μg/m3 (12) 31.0
 
July 12, 2020, 5 p.m. 2.1 ppb (2) 0.3 ppb (0) 0.1 ppb (0) 2.0 ppb (2) -0.1 ppb (0) 0.0 ppb (0) 39.0 ppb (30) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 30.0
 
July 12, 2020, 4 p.m. 2.4 ppb (2) 0.4 ppb (0) 0.4 ppb (0) 2.0 ppb (2) 0.0 ppb (0) 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) N/A 2.0 μg/m3 (8) 30.0
 
July 12, 2020, 3 p.m. 1.8 ppb (2) 0.3 ppb (0) -0.3 ppb (0) 2.0 ppb (2) -0.4 ppb (0) 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 30.0
 
July 12, 2020, 2 p.m. 3.2 ppb (3) 0.6 ppb (1) 1.3 ppb (1) 3.0 ppb (3) 0.7 ppb (1) 0.0 ppb (0) 37.0 ppb (28) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 28.0
 
July 12, 2020, 1 p.m. 4.3 ppb (4) 1.0 ppb (1) 2.5 ppb (2) 3.0 ppb (3) 1.5 ppb (1) 0.0 ppb (0) 33.0 ppb (25) 0.16 ppb (2) N/A 5.0 μg/m3 (21) 25.0
 
July 12, 2020, noon 3.3 ppb (3) 0.7 ppb (1) 1.3 ppb (1) 3.0 ppb (3) 0.7 ppb (1) 0.0 ppb (0) 32.0 ppb (25) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 25.0
 
July 12, 2020, 11 a.m. 2.9 ppb (3) 0.5 ppb (0) 0.9 ppb (1) 2.0 ppb (2) 0.4 ppb (0) 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 12, 2020, 10 a.m. 3.1 ppb (3) 0.3 ppb (0) 1.2 ppb (1) 3.0 ppb (3) 0.9 ppb (1) 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
July 12, 2020, 9 a.m. 2.4 ppb (2) 0.1 ppb (0) 0.5 ppb (0) 2.0 ppb (2) 0.4 ppb (0) 0.0 ppb (0) 29.0 ppb (22) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 12, 2020, 8 a.m. 3.0 ppb (3) 0.1 ppb (0) 1.1 ppb (1) 3.0 ppb (3) 1.0 ppb (1) 0.0 ppb (0) 30.0 ppb (23) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 12, 2020, 7 a.m. 1.9 ppb (2) 0.1 ppb (0) -0.2 ppb (0) 2.0 ppb (2) -0.2 ppb (0) 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 12, 2020, 6 a.m. 1.5 ppb (1) 0.1 ppb (0) -0.6 ppb (0) 1.0 ppb (1) -0.6 ppb (0) 0.0 ppb (0) 35.0 ppb (27) 0.13 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 12, 2020, 5 a.m. 1.8 ppb (2) 0.1 ppb (0) -0.2 ppb (0) 2.0 ppb (2) -0.2 ppb (0) 0.0 ppb (0) 35.0 ppb (27) 0.13 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
July 12, 2020, 4 a.m. 1.8 ppb (2) 0.1 ppb (0) -0.1 ppb (0) 2.0 ppb (2) -0.1 ppb (0) 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 26.0
 
July 12, 2020, 3 a.m. 1.3 ppb (1) 0.1 ppb (0) -0.7 ppb (0) 1.0 ppb (1) -0.7 ppb (0) 0.0 ppb (0) 30.0 ppb (23) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 23.0
 
July 12, 2020, 2 a.m. 1.3 ppb (1) 0.2 ppb (0) -0.8 ppb (0) 1.0 ppb (1) -0.8 ppb (0) 0.0 ppb (0) 25.0 ppb (19) 0.12 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 12, 2020, 1 a.m. 1.9 ppb (2) 0.3 ppb (0) -0.2 ppb (0) 2.0 ppb (2) -0.3 ppb (0) 0.0 ppb (0) 24.0 ppb (18) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 12, 2020, midnight 1.1 ppb (1) 0.2 ppb (0) -0.9 ppb (0) 1.0 ppb (1) -1.0 ppb (0) 0.0 ppb (0) 25.0 ppb (19) 0.11 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 11, 2020, 11 p.m. 1.3 ppb (1) 0.2 ppb (0) -0.8 ppb (0) 1.0 ppb (1) -0.8 ppb (0) 0.0 ppb (0) 24.0 ppb (18) 0.11 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 11, 2020, 10 p.m. 1.7 ppb (2) 0.3 ppb (0) -0.5 ppb (0) 1.0 ppb (1) -0.6 ppb (0) 0.0 ppb (0) 25.0 ppb (19) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 19.0
 
July 11, 2020, 9 p.m. 1.7 ppb (2) 0.3 ppb (0) -0.4 ppb (0) 1.0 ppb (1) -0.5 ppb (0) 0.0 ppb (0) 25.0 ppb (19) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 19.0
 
July 11, 2020, 8 p.m. 1.8 ppb (2) 0.4 ppb (0) -0.2 ppb (0) 2.0 ppb (2) -0.4 ppb (0) 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 11, 2020, 7 p.m. 1.9 ppb (2) 0.4 ppb (0) 0.0 ppb (0) 2.0 ppb (2) -0.2 ppb (0) 0.0 ppb (0) 30.0 ppb (23) 0.12 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 11, 2020, 6 p.m. 1.9 ppb (2) 0.4 ppb (0) 0.1 ppb (0) 2.0 ppb (2) -0.1 ppb (0) 0.0 ppb (0) 32.0 ppb (25) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 11, 2020, 5 p.m. 2.1 ppb (2) 0.5 ppb (0) 0.3 ppb (0) 2.0 ppb (2) 0.0 ppb (0) 0.0 ppb (0) 31.0 ppb (24) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 11, 2020, 4 p.m. 2.0 ppb (2) 0.4 ppb (0) 0.2 ppb (0) 2.0 ppb (2) -0.1 ppb (0) 0.0 ppb (0) 30.0 ppb (23) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 11, 2020, 3 p.m. 1.8 ppb (2) 0.4 ppb (0) 0.0 ppb (0) 1.0 ppb (1) -0.3 ppb (0) 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
July 11, 2020, 2 p.m. 2.1 ppb (2) 0.5 ppb (0) 0.1 ppb (0) 2.0 ppb (2) -0.3 ppb (0) 0.0 ppb (0) 27.0 ppb (21) 0.11 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 11, 2020, 1 p.m. 1.7 ppb (2) 0.4 ppb (0) -0.5 ppb (0) 1.0 ppb (1) -0.8 ppb (0) 0.0 ppb (0) 25.0 ppb (19) 0.11 ppb (1) N/A 3.0 μg/m3 (12) 19.0
 
July 11, 2020, noon 1.6 ppb (1) 0.3 ppb (0) -0.6 ppb (0) 1.0 ppb (1) -0.8 ppb (0) 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 19.0
 
July 11, 2020, 11 a.m. 1.1 ppb (1) 0.2 ppb (0) -1.1 ppb (0) 1.0 ppb (1) -1.2 ppb (0) 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 21.0
 
July 11, 2020, 10 a.m. 0.9 ppb (1) 0.2 ppb (0) -1.3 ppb (0) 1.0 ppb (1) -1.3 ppb (0) 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 22.0
 
July 11, 2020, 9 a.m. 1.1 ppb (1) 0.2 ppb (0) -1.2 ppb (0) 1.0 ppb (1) -1.2 ppb (0) 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 22.0
 
July 11, 2020, 8 a.m. 0.9 ppb (1) 0.1 ppb (0) -1.3 ppb (0) 1.0 ppb (1) -1.4 ppb (0) 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 22.0
 
July 11, 2020, 7 a.m. 0.7 ppb (1) 0.1 ppb (0) -1.5 ppb (0) 1.0 ppb (1) -1.5 ppb (0) 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 22.0
 
July 11, 2020, 6 a.m. 0.8 ppb (1) 0.1 ppb (0) -1.4 ppb (0) 1.0 ppb (1) -1.5 ppb (0) 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 11, 2020, 5 a.m. 0.8 ppb (1) 0.1 ppb (0) -1.4 ppb (0) 1.0 ppb (1) -1.5 ppb (0) 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 20.0
 
July 11, 2020, 4 a.m. 0.9 ppb (1) 0.1 ppb (0) -1.4 ppb (0) 1.0 ppb (1) -1.4 ppb (0) 0.0 ppb (0) 24.0 ppb (18) 0.07 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
July 11, 2020, 3 a.m. 0.7 ppb (1) 0.1 ppb (0) -1.5 ppb (0) 1.0 ppb (1) -1.6 ppb (0) 0.0 ppb (0) 20.0 ppb (15) 0.09 ppb (1) N/A 1.0 μg/m3 (4) 15.0
 
July 11, 2020, 2 a.m. 0.8 ppb (1) 0.2 ppb (0) -1.4 ppb (0) 1.0 ppb (1) -1.5 ppb (0) 0.0 ppb (0) 17.0 ppb (13) 0.09 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
July 11, 2020, 1 a.m. 1.2 ppb (1) 0.2 ppb (0) -1.2 ppb (0) 1.0 ppb (1) -1.3 ppb (0) 0.0 ppb (0) 14.0 ppb (11) 0.1 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 11, 2020, midnight 1.4 ppb (1) 0.3 ppb (0) -1.1 ppb (0) 1.0 ppb (1) -1.2 ppb (0) 0.0 ppb (0) 13.0 ppb (10) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 10, 2020, 11 p.m. 1.6 ppb (1) 0.3 ppb (0) -1.0 ppb (0) 1.0 ppb (1) -1.1 ppb (0) 0.0 ppb (0) 15.0 ppb (12) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 10, 2020, 10 p.m. 1.4 ppb (1) 0.3 ppb (0) -1.2 ppb (0) 1.0 ppb (1) -1.3 ppb (0) 0.0 ppb (0) 17.0 ppb (13) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 13.0
 
July 10, 2020, 9 p.m. 1.4 ppb (1) 0.3 ppb (0) -1.2 ppb (0) 1.0 ppb (1) -1.4 ppb (0) 0.0 ppb (0) 21.0 ppb (16) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 16.0
 
July 10, 2020, 8 p.m. 1.4 ppb (1) 0.3 ppb (0) -1.3 ppb (0) 1.0 ppb (1) -1.5 ppb (0) 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 17.0
 
July 10, 2020, 7 p.m. 1.3 ppb (1) 0.3 ppb (0) -1.4 ppb (0) 1.0 ppb (1) -1.6 ppb (0) 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 15.0
 
July 10, 2020, 6 p.m. 1.5 ppb (1) 0.3 ppb (0) -1.5 ppb (0) 1.0 ppb (1) -1.7 ppb (0) 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 17.0
 
July 10, 2020, 5 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
July 10, 2020, 4 p.m. 1.4 ppb (1) 0.3 ppb (0) -0.8 ppb (0) 1.0 ppb (1) -0.9 ppb (0) 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 10, 2020, 3 p.m. 1.7 ppb (2) 0.3 ppb (0) -0.7 ppb (0) 1.0 ppb (1) -0.9 ppb (0) 0.0 ppb (0) 23.0 ppb (18) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 18.0
 
July 10, 2020, 2 p.m. 1.5 ppb (1) 0.3 ppb (0) -0.8 ppb (0) 1.0 ppb (1) -1.1 ppb (0) 0.0 ppb (0) 20.0 ppb (15) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 15.0
 
July 10, 2020, 1 p.m. 2.4 ppb (2) 0.7 ppb (1) -0.3 ppb (0) 2.0 ppb (2) -1.0 ppb (0) 0.0 ppb (0) 16.0 ppb (12) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
July 10, 2020, noon 2.1 ppb (2) 0.6 ppb (1) -0.7 ppb (0) 2.0 ppb (2) -1.2 ppb (0) 0.0 ppb (0) 13.0 ppb (10) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 10, 2020, 11 a.m. 1.4 ppb (1) 0.3 ppb (0) -1.2 ppb (0) 1.0 ppb (1) -1.5 ppb (0) 0.0 ppb (0) 14.0 ppb (11) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 10, 2020, 10 a.m. 2.3 ppb (2) 0.3 ppb (0) -0.7 ppb (0) 2.0 ppb (2) -0.9 ppb (0) 0.0 ppb (0) 11.0 ppb (8) 0.13 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 10, 2020, 9 a.m. 2.4 ppb (2) 0.1 ppb (0) -0.8 ppb (0) 2.0 ppb (2) -0.8 ppb (0) 0.0 ppb (0) 16.0 ppb (12) 0.13 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
July 10, 2020, 8 a.m. 2.1 ppb (2) 0.1 ppb (0) -1.2 ppb (0) 2.0 ppb (2) -1.2 ppb (0) 0.0 ppb (0) 17.0 ppb (13) 0.12 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 10, 2020, 7 a.m. N/A N/A -1.3 ppb (0) N/A -1.3 ppb (0) N/A 18.0 ppb (14) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 10, 2020, 6 a.m. N/A N/A -0.9 ppb (0) N/A -1.0 ppb (0) N/A 14.0 ppb (11) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 10, 2020, 5 a.m. N/A N/A -1.1 ppb (0) N/A -1.2 ppb (0) N/A 11.0 ppb (8) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 10, 2020, 4 a.m. 4.9 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 10.0 ppb (8) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
July 10, 2020, 3 a.m. 5.7 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (8) 0.16 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
July 10, 2020, 2 a.m. 4.1 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (12) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 10, 2020, 1 a.m. 2.9 ppb (3) 0.2 ppb (0) -0.1 ppb (0) 3.0 ppb (3) -0.1 ppb (0) 0.0 ppb (0) 18.0 ppb (14) 0.13 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 10, 2020, midnight 3.0 ppb (3) 0.2 ppb (0) -0.2 ppb (0) 3.0 ppb (3) -0.3 ppb (0) 0.0 ppb (0) 18.0 ppb (14) 0.13 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 9, 2020, 11 p.m. 2.9 ppb (3) 0.3 ppb (0) -0.5 ppb (0) 3.0 ppb (3) -0.7 ppb (0) 0.0 ppb (0) 20.0 ppb (15) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
July 9, 2020, 10 p.m. 2.3 ppb (2) 0.4 ppb (0) -0.9 ppb (0) 2.0 ppb (2) -1.2 ppb (0) 0.0 ppb (0) 24.0 ppb (18) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 9, 2020, 9 p.m. 3.3 ppb (3) 0.9 ppb (1) -0.7 ppb (0) 2.0 ppb (2) -1.5 ppb (0) 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 9, 2020, 8 p.m. 2.4 ppb (2) 0.3 ppb (0) -1.3 ppb (0) 2.0 ppb (2) -1.4 ppb (0) 0.0 ppb (0) 32.0 ppb (25) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 9, 2020, 7 p.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (15) 0.17 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 9, 2020, 6 p.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) N/A 0.18 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
July 9, 2020, 5 p.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.18 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
July 9, 2020, 4 p.m. 2.7 ppb (3) 0.3 ppb (0) 5.4 ppb (5) 2.0 ppb (2) 4.9 ppb (5) 0.0 ppb (0) 43.0 ppb (33) 0.18 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 9, 2020, 3 p.m. 3.3 ppb (3) 0.4 ppb (0) 6.1 ppb (6) 3.0 ppb (3) 5.4 ppb (5) 0.0 ppb (0) 44.0 ppb (34) 0.18 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 9, 2020, 2 p.m. 5.2 ppb (5) 1.1 ppb (1) 9.7 ppb (9) 4.0 ppb (4) 7.7 ppb (7) 0.0 ppb (0) 38.0 ppb (29) 0.17 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
July 9, 2020, 1 p.m. 4.6 ppb (4) 0.9 ppb (1) 8.8 ppb (8) 4.0 ppb (4) 7.1 ppb (7) 0.0 ppb (0) 29.0 ppb (22) 0.17 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 9, 2020, noon 8.3 ppb (8) 1.5 ppb (1) 15.3 ppb (14) 7.0 ppb (6) 12.5 ppb (12) 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 9, 2020, 11 a.m. 6.8 ppb (6) 1.1 ppb (1) 12.6 ppb (12) 6.0 ppb (6) 10.7 ppb (10) 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 9, 2020, 10 a.m. 3.6 ppb (3) 0.3 ppb (0) 6.0 ppb (6) 3.0 ppb (3) 5.4 ppb (5) 0.0 ppb (0) N/A 0.16 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 9, 2020, 9 a.m. 5.0 ppb (5) 0.2 ppb (0) 8.6 ppb (8) 5.0 ppb (5) 8.2 ppb (8) 0.0 ppb (0) N/A 0.15 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 9, 2020, 8 a.m. 3.7 ppb (3) 0.1 ppb (0) 6.0 ppb (6) 4.0 ppb (4) 5.7 ppb (5) 0.0 ppb (0) 17.0 ppb (13) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 9, 2020, 7 a.m. 4.6 ppb (4) 0.1 ppb (0) 7.6 ppb (7) 4.0 ppb (4) 7.4 ppb (7) 0.0 ppb (0) 17.0 ppb (13) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 9, 2020, 6 a.m. 3.9 ppb (4) 0.1 ppb (0) 6.4 ppb (6) 4.0 ppb (4) 6.2 ppb (6) 0.0 ppb (0) 18.0 ppb (14) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 9, 2020, 5 a.m. 3.8 ppb (4) 0.1 ppb (0) 6.2 ppb (6) 4.0 ppb (4) 6.0 ppb (6) 0.0 ppb (0) 19.0 ppb (15) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 9, 2020, 4 a.m. 2.9 ppb (3) 0.1 ppb (0) 4.4 ppb (4) 3.0 ppb (3) 4.2 ppb (4) 0.0 ppb (0) 21.0 ppb (16) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 9, 2020, 3 a.m. 3.0 ppb (3) 0.1 ppb (0) 4.5 ppb (4) 3.0 ppb (3) 4.3 ppb (4) 0.0 ppb (0) 22.0 ppb (17) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
July 9, 2020, 2 a.m. 3.8 ppb (4) 0.1 ppb (0) 6.2 ppb (6) 4.0 ppb (4) 6.0 ppb (6) 0.0 ppb (0) 22.0 ppb (17) 0.16 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
July 9, 2020, 1 a.m. 3.6 ppb (3) 0.1 ppb (0) 5.8 ppb (5) 4.0 ppb (4) 5.6 ppb (5) 0.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
July 9, 2020, midnight 2.9 ppb (3) 0.1 ppb (0) 4.4 ppb (4) 3.0 ppb (3) 4.3 ppb (4) 0.0 ppb (0) 24.0 ppb (18) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 8, 2020, 11 p.m. 3.0 ppb (3) 0.2 ppb (0) 4.6 ppb (4) 3.0 ppb (3) 4.3 ppb (4) 0.0 ppb (0) 28.0 ppb (22) 0.18 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 8, 2020, 10 p.m. 3.7 ppb (3) 0.3 ppb (0) 5.3 ppb (5) 3.0 ppb (3) 4.7 ppb (4) 1.0 ppb (1) 29.0 ppb (22) 0.17 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 8, 2020, 9 p.m. N/A N/A 2.8 ppb (3) N/A 2.3 ppb (2) N/A 30.0 ppb (23) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 8, 2020, 8 p.m. N/A N/A 3.2 ppb (3) N/A 2.7 ppb (3) N/A 32.0 ppb (25) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 8, 2020, 7 p.m. N/A N/A 3.4 ppb (3) N/A 2.8 ppb (3) N/A 34.0 ppb (26) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 8, 2020, 6 p.m. 2.0 ppb (2) 0.3 ppb (0) 3.0 ppb (3) 2.0 ppb (2) 2.5 ppb (2) 0.0 ppb (0) 33.0 ppb (25) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 8, 2020, 5 p.m. 2.1 ppb (2) 0.4 ppb (0) 3.4 ppb (3) 2.0 ppb (2) 2.8 ppb (3) 0.0 ppb (0) 33.0 ppb (25) 0.18 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 8, 2020, 4 p.m. 2.1 ppb (2) 0.4 ppb (0) 3.5 ppb (3) 2.0 ppb (2) 2.9 ppb (3) 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
July 8, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 8, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
July 8, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 8, 2020, noon 3.1 ppb (3) 0.5 ppb (0) 4.5 ppb (4) 3.0 ppb (3) 3.7 ppb (3) 0.0 ppb (0) 19.0 ppb (15) 0.15 ppb (2) N/A 2.0 μg/m3 (8) 15.0
 
July 8, 2020, 11 a.m. 2.6 ppb (2) 0.3 ppb (0) 3.6 ppb (3) 2.0 ppb (2) 3.1 ppb (3) 0.0 ppb (0) 20.0 ppb (15) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
July 8, 2020, 10 a.m. 1.9 ppb (2) 0.2 ppb (0) 2.3 ppb (2) 2.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) 23.0 ppb (18) 0.13 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 8, 2020, 9 a.m. 1.6 ppb (1) 0.1 ppb (0) 1.6 ppb (1) 2.0 ppb (2) 1.4 ppb (1) 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
July 8, 2020, 8 a.m. 1.6 ppb (1) 0.1 ppb (0) 1.4 ppb (1) 2.0 ppb (2) 1.2 ppb (1) 0.0 ppb (0) 22.0 ppb (17) 0.11 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 8, 2020, 7 a.m. 2.1 ppb (2) 0.1 ppb (0) 2.5 ppb (2) 2.0 ppb (2) 2.3 ppb (2) 0.0 ppb (0) 18.0 ppb (14) 0.11 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 8, 2020, 6 a.m. 1.9 ppb (2) 0.1 ppb (0) 2.1 ppb (2) 2.0 ppb (2) 1.9 ppb (2) 0.0 ppb (0) 18.0 ppb (14) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 8, 2020, 5 a.m. 1.5 ppb (1) 0.1 ppb (0) 1.2 ppb (1) 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 8, 2020, 4 a.m. 1.6 ppb (1) 0.1 ppb (0) 1.4 ppb (1) 2.0 ppb (2) 1.2 ppb (1) 0.0 ppb (0) 23.0 ppb (18) 0.08 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 8, 2020, 3 a.m. 1.5 ppb (1) 0.1 ppb (0) 0.9 ppb (1) 1.0 ppb (1) 0.7 ppb (1) 0.0 ppb (0) 23.0 ppb (18) 0.1 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 8, 2020, 2 a.m. 1.5 ppb (1) 0.1 ppb (0) 1.0 ppb (1) 1.0 ppb (1) 0.8 ppb (1) 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 8, 2020, 1 a.m. 1.5 ppb (1) 0.1 ppb (0) 1.3 ppb (1) 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 8, 2020, midnight 1.7 ppb (2) 0.1 ppb (0) 1.5 ppb (1) 2.0 ppb (2) 1.3 ppb (1) 0.0 ppb (0) 30.0 ppb (23) 0.12 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 7, 2020, 11 p.m. 1.6 ppb (1) 0.1 ppb (0) 1.3 ppb (1) 2.0 ppb (2) 1.1 ppb (1) 0.0 ppb (0) 33.0 ppb (25) 0.11 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 7, 2020, 10 p.m. 1.3 ppb (1) 0.1 ppb (0) 0.7 ppb (1) 1.0 ppb (1) 0.4 ppb (0) 0.0 ppb (0) 31.0 ppb (24) 0.11 ppb (1) N/A 2.0 μg/m3 (8) 24.0
 
July 7, 2020, 9 p.m. 1.7 ppb (2) 0.2 ppb (0) 1.4 ppb (1) 1.0 ppb (1) 0.9 ppb (1) 0.0 ppb (0) 31.0 ppb (24) 0.11 ppb (1) N/A 2.0 μg/m3 (8) 24.0
 
July 7, 2020, 8 p.m. 1.8 ppb (2) 0.3 ppb (0) 1.4 ppb (1) 2.0 ppb (2) 0.9 ppb (1) 0.0 ppb (0) 32.0 ppb (25) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 25.0
 
July 7, 2020, 7 p.m. 1.7 ppb (2) 0.3 ppb (0) 1.4 ppb (1) 1.0 ppb (1) 0.9 ppb (1) 0.0 ppb (0) 32.0 ppb (25) 0.11 ppb (1) N/A 3.0 μg/m3 (12) 25.0
 
July 7, 2020, 6 p.m. 7.5 ppb (7) 5.2 ppb (5) 21.6 ppb (20) 2.0 ppb (2) 6.8 ppb (6) 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) N/A 5.0 μg/m3 (21) 24.0
 
July 7, 2020, 5 p.m. 1.9 ppb (2) 0.3 ppb (0) 1.8 ppb (2) 2.0 ppb (2) 1.1 ppb (1) 0.0 ppb (0) 33.0 ppb (25) 0.12 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 7, 2020, 4 p.m. 2.2 ppb (2) 0.4 ppb (0) 2.3 ppb (2) 2.0 ppb (2) 1.5 ppb (1) 0.0 ppb (0) 32.0 ppb (25) 0.12 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 7, 2020, 3 p.m. 2.2 ppb (2) 0.5 ppb (0) 2.3 ppb (2) 2.0 ppb (2) 1.4 ppb (1) 0.0 ppb (0) 30.0 ppb (23) 0.12 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 7, 2020, 2 p.m. 2.5 ppb (2) 0.6 ppb (1) 2.6 ppb (2) 2.0 ppb (2) 1.6 ppb (1) 0.0 ppb (0) 30.0 ppb (23) 0.12 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 7, 2020, 1 p.m. 1.9 ppb (2) 0.5 ppb (0) 1.4 ppb (1) 2.0 ppb (2) 0.6 ppb (1) 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 7, 2020, noon 2.1 ppb (2) 0.4 ppb (0) 1.6 ppb (1) 2.0 ppb (2) 0.7 ppb (1) 0.0 ppb (0) 26.0 ppb (20) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 20.0
 
July 7, 2020, 11 a.m. 2.7 ppb (3) 0.5 ppb (0) 2.5 ppb (2) 2.0 ppb (2) 1.6 ppb (1) 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) N/A 2.0 μg/m3 (8) 18.0
 
July 7, 2020, 10 a.m. 2.8 ppb (3) 0.3 ppb (0) 2.4 ppb (2) 2.0 ppb (2) 1.8 ppb (2) 0.0 ppb (0) 20.0 ppb (15) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
July 7, 2020, 9 a.m. 1.8 ppb (2) 0.1 ppb (0) 0.9 ppb (1) 2.0 ppb (2) 0.7 ppb (1) 0.0 ppb (0) 23.0 ppb (18) 0.11 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 7, 2020, 8 a.m. 1.2 ppb (1) 0.1 ppb (0) -0.1 ppb (0) 1.0 ppb (1) -0.2 ppb (0) 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 7, 2020, 7 a.m. 1.1 ppb (1) 0.1 ppb (0) -0.3 ppb (0) 1.0 ppb (1) -0.3 ppb (0) 0.0 ppb (0) N/A 0.11 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 7, 2020, 6 a.m. 1.2 ppb (1) 0.1 ppb (0) -0.2 ppb (0) 1.0 ppb (1) -0.2 ppb (0) 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
July 7, 2020, 5 a.m. 1.3 ppb (1) 0.1 ppb (0) -0.2 ppb (0) 1.0 ppb (1) -0.2 ppb (0) 0.0 ppb (0) 25.0 ppb (19) 0.11 ppb (1) N/A 8.0 μg/m3 (33) 33.0