ID: 2374

AQSQID: 410670005

Site Name: Portland Near Road

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

Updated: July 10, 2020, 9:35 p.m.

Location: Lake Oswego (Swest Bradbury Court), OR

Reporting: True, Located: True

Current AQI: 23.0

Lake Oswego (Swest Bradbury Court) OR, US: 45.39916, -122.7455

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 10, 2020, 8 p.m. 17.3 ppb (16) 10.1 ppb (9) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) N/A N/A 5.5 μg/m3 (23) 23.0
 
July 10, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 5.1 μg/m3 (21) 21.0
 
July 10, 2020, 6 p.m. 16.1 ppb (15) 10.1 ppb (9) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 10, 2020, 5 p.m. 24.4 ppb (23) 16.4 ppb (15) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) N/A N/A 4.6 μg/m3 (19) 23.0
 
July 10, 2020, 4 p.m. 34.5 ppb (32) 25.1 ppb (23) N/A 9.0 ppb (8) N/A N/A 12.0 ppb (9) N/A N/A 4.6 μg/m3 (19) 32.0
 
July 10, 2020, 3 p.m. 20.8 ppb (19) 13.7 ppb (13) N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) N/A N/A 4.2 μg/m3 (18) 19.0
 
July 10, 2020, 2 p.m. 11.6 ppb (11) 4.8 ppb (4) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) N/A N/A 4.3 μg/m3 (18) 18.0
 
July 10, 2020, 1 p.m. 7.2 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (8) N/A N/A 4.5 μg/m3 (19) 19.0
 
July 10, 2020, noon 29.5 ppb (27) 17.7 ppb (16) N/A 12.0 ppb (11) N/A N/A 6.0 ppb (5) N/A N/A 4.5 μg/m3 (19) 27.0
 
July 10, 2020, 11 a.m. 25.6 ppb (24) 16.2 ppb (15) N/A 9.0 ppb (8) N/A N/A 8.0 ppb (6) N/A N/A 4.4 μg/m3 (18) 24.0
 
July 10, 2020, 10 a.m. 13.6 ppb (13) 7.0 ppb (6) N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) N/A N/A 4.1 μg/m3 (17) 17.0
 
July 10, 2020, 9 a.m. 9.9 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 10, 2020, 8 a.m. 9.4 ppb (9) 4.5 ppb (4) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 10, 2020, 7 a.m. 8.4 ppb (8) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
July 10, 2020, 6 a.m. 12.1 ppb (11) 6.3 ppb (6) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 10, 2020, 5 a.m. 12.8 ppb (12) 5.8 ppb (5) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) N/A N/A 3.9 μg/m3 (16) 16.0
 
July 10, 2020, 4 a.m. 11.3 ppb (10) 5.3 ppb (5) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) N/A N/A 4.1 μg/m3 (17) 17.0
 
July 10, 2020, 3 a.m. 14.9 ppb (14) 6.7 ppb (6) N/A 8.0 ppb (7) N/A N/A 13.0 ppb (10) N/A N/A 4.6 μg/m3 (19) 19.0
 
July 10, 2020, 2 a.m. 16.4 ppb (15) 6.9 ppb (6) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) N/A N/A 5.5 μg/m3 (23) 23.0
 
July 10, 2020, 1 a.m. 18.3 ppb (17) 8.6 ppb (8) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) N/A N/A 5.2 μg/m3 (22) 22.0
 
July 10, 2020, midnight 19.0 ppb (18) 11.2 ppb (10) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 9, 2020, 11 p.m. 21.0 ppb (19) 12.2 ppb (11) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) N/A N/A 4.5 μg/m3 (19) 19.0
 
July 9, 2020, 10 p.m. 16.9 ppb (16) 9.9 ppb (9) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 4.6 μg/m3 (19) 19.0
 
July 9, 2020, 9 p.m. 21.0 ppb (19) 12.4 ppb (11) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) N/A N/A 5.5 μg/m3 (23) 23.0
 
July 9, 2020, 8 p.m. 29.2 ppb (27) 18.4 ppb (17) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) N/A N/A 5.7 μg/m3 (24) 27.0
 
July 9, 2020, 6 p.m. 18.0 ppb (17) 11.0 ppb (10) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) N/A N/A 5.5 μg/m3 (23) 23.0
 
July 9, 2020, 5 p.m. 21.4 ppb (20) 12.1 ppb (11) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) N/A N/A 6.1 μg/m3 (25) 25.0
 
July 9, 2020, 4 p.m. 38.7 ppb (36) 25.6 ppb (24) N/A 13.0 ppb (12) N/A N/A 6.0 ppb (5) N/A N/A 6.3 μg/m3 (26) 36.0
 
July 9, 2020, 3 p.m. 44.6 ppb (41) 29.6 ppb (27) N/A 15.0 ppb (14) N/A N/A 5.0 ppb (4) N/A N/A 6.0 μg/m3 (25) 41.0
 
July 9, 2020, 2 p.m. 19.6 ppb (18) 9.7 ppb (9) N/A 10.0 ppb (9) N/A N/A 6.0 ppb (5) N/A N/A 5.7 μg/m3 (24) 24.0
 
July 9, 2020, noon 33.4 ppb (31) 21.2 ppb (20) N/A 12.0 ppb (11) N/A N/A 2.0 ppb (2) N/A N/A 6.0 μg/m3 (25) 31.0
 
July 9, 2020, 11 a.m. 14.7 ppb (14) 5.9 ppb (5) N/A 9.0 ppb (8) N/A N/A 3.0 ppb (2) N/A N/A 5.7 μg/m3 (24) 24.0
 
July 9, 2020, 10 a.m. 8.2 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 4.0 ppb (3) N/A N/A 5.9 μg/m3 (25) 25.0
 
July 9, 2020, 9 a.m. 8.0 ppb (7) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 5.0 ppb (4) N/A N/A 6.5 μg/m3 (27) 27.0
 
July 9, 2020, 8 a.m. 8.8 ppb (8) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A 6.0 ppb (5) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 9, 2020, 6 a.m. 22.5 ppb (21) 7.4 ppb (7) N/A 15.0 ppb (14) N/A N/A 6.0 ppb (5) N/A N/A 6.1 μg/m3 (25) 25.0
 
July 9, 2020, 5 a.m. 25.7 ppb (24) 9.4 ppb (9) N/A 16.0 ppb (15) N/A N/A 9.0 ppb (7) N/A N/A 4.9 μg/m3 (20) 24.0
 
July 9, 2020, 4 a.m. 14.6 ppb (14) 4.7 ppb (4) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) N/A N/A 4.1 μg/m3 (17) 17.0
 
July 9, 2020, 3 a.m. 3.7 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) N/A N/A 3.9 μg/m3 (16) 18.0
 
July 9, 2020, 2 a.m. 8.8 ppb (8) 3.9 ppb (4) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A N/A 3.9 μg/m3 (16) 18.0
 
July 9, 2020, midnight N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 3.9 μg/m3 (16) 16.0
 
July 8, 2020, 11 p.m. 21.7 ppb (20) 14.2 ppb (13) N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 20.0
 
July 8, 2020, 10 p.m. 26.3 ppb (24) 16.7 ppb (15) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) N/A N/A 4.3 μg/m3 (18) 24.0
 
July 8, 2020, 9 p.m. 24.1 ppb (22) 15.6 ppb (14) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) N/A N/A 4.5 μg/m3 (19) 22.0
 
July 8, 2020, 8 p.m. 30.6 ppb (28) 20.0 ppb (19) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) N/A N/A 5.1 μg/m3 (21) 28.0
 
July 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 4.1 μg/m3 (17) 17.0
 
July 8, 2020, 5 p.m. 41.7 ppb (39) 28.6 ppb (26) N/A 13.0 ppb (12) N/A N/A 12.0 ppb (9) N/A N/A 4.3 μg/m3 (18) 39.0
 
July 8, 2020, 4 p.m. 41.7 ppb (39) 30.6 ppb (28) N/A 11.0 ppb (10) N/A N/A 12.0 ppb (9) N/A N/A 4.5 μg/m3 (19) 39.0
 
July 8, 2020, 3 p.m. 44.5 ppb (41) 33.3 ppb (31) N/A 11.0 ppb (10) N/A N/A 7.0 ppb (5) N/A N/A 4.4 μg/m3 (18) 41.0
 
July 8, 2020, 2 p.m. 64.2 ppb (61) 50.7 ppb (47) N/A 13.0 ppb (12) N/A N/A 4.0 ppb (3) N/A N/A 4.5 μg/m3 (19) 61.0
 
July 8, 2020, noon 40.6 ppb (38) 27.9 ppb (26) N/A 13.0 ppb (12) N/A N/A 3.0 ppb (2) N/A N/A 3.6 μg/m3 (15) 38.0
 
July 8, 2020, 11 a.m. 26.2 ppb (24) 15.9 ppb (15) N/A 10.0 ppb (9) N/A N/A 5.0 ppb (4) N/A N/A 3.3 μg/m3 (14) 24.0
 
July 8, 2020, 10 a.m. 18.6 ppb (17) 9.6 ppb (9) N/A 9.0 ppb (8) N/A N/A 7.0 ppb (5) N/A N/A 3.2 μg/m3 (13) 17.0
 
July 8, 2020, 9 a.m. 15.4 ppb (14) 8.2 ppb (8) N/A 7.0 ppb (6) N/A N/A 8.0 ppb (6) N/A N/A 3.3 μg/m3 (14) 14.0
 
July 8, 2020, 8 a.m. 9.9 ppb (9) 4.4 ppb (4) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) N/A N/A 3.2 μg/m3 (13) 13.0
 
July 8, 2020, 6 a.m. 12.2 ppb (11) 5.8 ppb (5) N/A 6.0 ppb (6) N/A N/A 11.0 ppb (8) N/A N/A 3.2 μg/m3 (13) 13.0
 
July 8, 2020, 5 a.m. 13.6 ppb (13) 6.5 ppb (6) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) N/A N/A 3.2 μg/m3 (13) 13.0
 
July 8, 2020, 4 a.m. 15.5 ppb (14) 7.9 ppb (7) N/A 8.0 ppb (7) N/A N/A 14.0 ppb (11) N/A N/A 3.4 μg/m3 (14) 14.0
 
July 8, 2020, 3 a.m. 12.7 ppb (12) 6.7 ppb (6) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) N/A N/A 3.6 μg/m3 (15) 15.0
 
July 8, 2020, 2 a.m. 15.4 ppb (14) 9.8 ppb (9) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) N/A N/A 3.7 μg/m3 (15) 15.0
 
July 8, 2020, midnight 22.0 ppb (20) 15.2 ppb (14) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) N/A N/A 3.6 μg/m3 (15) 20.0
 
July 7, 2020, 11 p.m. 21.9 ppb (20) 14.4 ppb (13) N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) N/A N/A 3.2 μg/m3 (13) 20.0
 
July 7, 2020, 10 p.m. 18.9 ppb (18) 11.7 ppb (11) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) N/A N/A 3.8 μg/m3 (16) 18.0
 
July 7, 2020, 9 p.m. 25.0 ppb (23) 15.4 ppb (14) N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) N/A N/A 4.6 μg/m3 (19) 23.0
 
July 7, 2020, 8 p.m. 32.5 ppb (30) 19.3 ppb (18) N/A 13.0 ppb (12) N/A N/A 16.0 ppb (12) N/A N/A 4.9 μg/m3 (20) 30.0
 
July 7, 2020, 6 p.m. 23.6 ppb (22) 13.4 ppb (12) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) 1.7 ppb (19) N/A 5.0 μg/m3 (21) 22.0
 
July 7, 2020, 5 p.m. 30.6 ppb (28) 16.7 ppb (15) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) N/A N/A 5.6 μg/m3 (23) 28.0
 
July 7, 2020, 4 p.m. 32.6 ppb (30) 18.6 ppb (17) N/A 14.0 ppb (13) N/A N/A 13.0 ppb (10) N/A N/A 5.4 μg/m3 (23) 30.0
 
July 7, 2020, 3 p.m. 15.2 ppb (14) 5.4 ppb (5) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) N/A N/A 5.1 μg/m3 (21) 21.0
 
July 7, 2020, 2 p.m. 27.1 ppb (25) 14.0 ppb (13) N/A 13.0 ppb (12) N/A N/A 11.0 ppb (8) N/A N/A 4.8 μg/m3 (20) 25.0
 
July 7, 2020, noon 24.6 ppb (23) 11.6 ppb (11) N/A 13.0 ppb (12) N/A N/A 13.0 ppb (10) N/A N/A 3.7 μg/m3 (15) 23.0
 
July 7, 2020, 11 a.m. 10.5 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A 17.0 ppb (13) N/A N/A 3.5 μg/m3 (15) 15.0
 
July 7, 2020, 10 a.m. 5.2 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) N/A N/A 3.4 μg/m3 (14) 15.0
 
July 7, 2020, 9 a.m. 5.3 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 13.4 ppb (165) N/A 3.0 μg/m3 (12) 165.0
 
July 7, 2020, 8 a.m. 6.3 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A N/A 2.7 μg/m3 (11) 15.0
 
July 7, 2020, 6 a.m. 9.1 ppb (8) 3.9 ppb (4) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) N/A N/A 2.8 μg/m3 (12) 15.0
 
July 7, 2020, 5 a.m. 7.7 ppb (7) 3.9 ppb (4) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
July 7, 2020, 4 a.m. 14.4 ppb (13) 6.4 ppb (6) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) N/A N/A 3.8 μg/m3 (16) 16.0
 
July 7, 2020, 3 a.m. 20.4 ppb (19) 11.1 ppb (10) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) N/A N/A 4.8 μg/m3 (20) 20.0
 
July 7, 2020, 2 a.m. 21.4 ppb (20) 11.0 ppb (10) N/A 10.0 ppb (9) N/A N/A 15.0 ppb (12) N/A N/A 5.7 μg/m3 (24) 24.0
 
July 7, 2020, midnight 25.9 ppb (24) 14.9 ppb (14) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 6, 2020, 11 p.m. 26.6 ppb (25) 15.2 ppb (14) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 6, 2020, 10 p.m. 27.9 ppb (26) 15.5 ppb (14) N/A 12.0 ppb (11) N/A N/A 19.0 ppb (15) N/A N/A 6.8 μg/m3 (28) 28.0
 
July 6, 2020, 9 p.m. 43.7 ppb (40) 25.2 ppb (23) N/A 18.0 ppb (17) N/A N/A 15.0 ppb (12) N/A N/A 7.6 μg/m3 (32) 40.0
 
July 6, 2020, 8 p.m. 28.6 ppb (26) 16.0 ppb (15) N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 6, 2020, 7 p.m. 27.5 ppb (25) 16.7 ppb (15) N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 6, 2020, 6 p.m. 12.9 ppb (12) 6.9 ppb (6) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 6, 2020, 5 p.m. 8.8 ppb (8) 4.3 ppb (4) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 6, 2020, 4 p.m. 13.6 ppb (13) 7.1 ppb (7) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 6, 2020, 3 p.m. 9.6 ppb (9) 4.3 ppb (4) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (12) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 6, 2020, 2 p.m. 11.9 ppb (11) 4.4 ppb (4) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 6, 2020, 1 p.m. 8.4 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) N/A N/A 5.5 μg/m3 (23) 23.0
 
July 6, 2020, noon 27.8 ppb (26) 15.5 ppb (14) N/A 12.0 ppb (11) N/A N/A 10.0 ppb (8) N/A N/A 5.5 μg/m3 (23) 26.0
 
July 6, 2020, 11 a.m. 7.0 ppb (6) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 11.0 ppb (8) N/A N/A 5.7 μg/m3 (24) 24.0
 
July 6, 2020, 10 a.m. 9.6 ppb (9) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) N/A N/A 5.5 μg/m3 (23) 23.0
 
July 6, 2020, 9 a.m. 6.9 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (23) 23.0
 
July 6, 2020, 7 a.m. 7.1 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) N/A N/A 5.5 μg/m3 (23) 23.0
 
July 6, 2020, 6 a.m. 8.9 ppb (8) 4.2 ppb (4) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 5.7 μg/m3 (24) 24.0
 
July 6, 2020, 5 a.m. 7.8 ppb (7) 3.6 ppb (3) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A N/A 6.1 μg/m3 (25) 25.0
 
July 6, 2020, 4 a.m. 11.5 ppb (11) 5.1 ppb (5) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 6.5 μg/m3 (27) 27.0
 
July 6, 2020, 3 a.m. 16.5 ppb (15) 6.6 ppb (6) N/A 10.0 ppb (9) N/A N/A 24.0 ppb (18) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 6, 2020, 2 a.m. 14.0 ppb (13) 5.8 ppb (5) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 6, 2020, 1 a.m. 14.9 ppb (14) 7.1 ppb (7) N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 6, 2020, midnight 12.6 ppb (12) 6.2 ppb (6) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A 7.5 μg/m3 (31) 31.0
 
July 5, 2020, 11 p.m. 9.5 ppb (9) 4.7 ppb (4) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) N/A N/A 7.5 μg/m3 (31) 31.0
 
July 5, 2020, 10 p.m. 7.9 ppb (7) 4.3 ppb (4) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 5, 2020, 9 p.m. 11.8 ppb (11) 5.7 ppb (5) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A 7.2 μg/m3 (30) 30.0
 
July 5, 2020, 8 p.m. 9.7 ppb (9) 5.0 ppb (5) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 5, 2020, 7 p.m. 8.6 ppb (8) 4.5 ppb (4) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 5, 2020, 6 p.m. 9.5 ppb (9) 5.5 ppb (5) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A 7.5 μg/m3 (31) 31.0
 
July 5, 2020, 5 p.m. 9.3 ppb (9) 5.1 ppb (5) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) N/A N/A 6.3 μg/m3 (26) 26.0
 
July 5, 2020, 4 p.m. 8.4 ppb (8) 4.4 ppb (4) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A N/A 6.1 μg/m3 (25) 25.0
 
July 5, 2020, 3 p.m. 8.8 ppb (8) 4.2 ppb (4) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A N/A 6.1 μg/m3 (25) 25.0
 
July 5, 2020, 2 p.m. 10.4 ppb (10) 4.9 ppb (5) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) N/A N/A 6.9 μg/m3 (29) 29.0
 
July 5, 2020, 1 p.m. 7.8 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 9.0 ppb (7) N/A N/A 15.5 μg/m3 (57) 57.0
 
July 5, 2020, noon 8.0 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 9.0 ppb (7) N/A N/A 19.3 μg/m3 (66) 66.0
 
July 5, 2020, 11 a.m. 8.6 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 8.0 ppb (6) N/A N/A 22.7 μg/m3 (73) 73.0
 
July 5, 2020, 10 a.m. 5.3 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 8.0 ppb (6) N/A N/A 28.9 μg/m3 (86) 86.0
 
July 5, 2020, 9 a.m. 7.7 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) N/A N/A 21.4 μg/m3 (70) 70.0
 
July 5, 2020, 8 a.m. 10.1 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 12.0 ppb (9) N/A N/A 24.0 μg/m3 (76) 76.0
 
July 5, 2020, 7 a.m. 13.8 ppb (13) 5.3 ppb (5) N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) N/A N/A 32.0 μg/m3 (93) 93.0
 
July 5, 2020, 6 a.m. 14.3 ppb (13) 4.4 ppb (4) N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) N/A N/A 58.0 μg/m3 (151) 151.0
 
July 5, 2020, 5 a.m. 16.9 ppb (16) 6.2 ppb (6) N/A 11.0 ppb (10) N/A N/A 14.0 ppb (11) N/A N/A 42.0 μg/m3 (116) 116.0
 
July 5, 2020, 4 a.m. 8.8 ppb (8) 3.3 ppb (3) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) N/A N/A 10.6 μg/m3 (44) 44.0
 
July 5, 2020, 3 a.m. 8.3 ppb (8) 2.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A 9.2 μg/m3 (38) 38.0
 
July 5, 2020, 2 a.m. 3.0 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 5, 2020, 1 a.m. 7.5 ppb (7) 2.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 5, 2020, midnight 9.7 ppb (9) 3.9 ppb (4) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 4, 2020, 11 p.m. 8.7 ppb (8) 4.1 ppb (4) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 4, 2020, 10 p.m. 10.0 ppb (9) 4.4 ppb (4) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 8.1 μg/m3 (34) 34.0
 
July 4, 2020, 9 p.m. 7.3 ppb (7) 3.2 ppb (3) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 4, 2020, 8 p.m. 7.7 ppb (7) 3.5 ppb (3) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 4, 2020, 7 p.m. 6.2 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A N/A 7.7 μg/m3 (32) 32.0
 
July 4, 2020, 6 p.m. 8.6 ppb (8) 4.3 ppb (4) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 4, 2020, 5 p.m. 11.1 ppb (10) 5.4 ppb (5) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 6.8 μg/m3 (28) 28.0
 
July 4, 2020, 4 p.m. 16.3 ppb (15) 9.2 ppb (9) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 4, 2020, 3 p.m. 7.8 ppb (7) 2.7 ppb (3) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) N/A N/A 8.8 μg/m3 (37) 37.0
 
July 4, 2020, 2 p.m. 4.7 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 10.0 ppb (8) N/A N/A 8.5 μg/m3 (35) 35.0
 
July 4, 2020, 1 p.m. 4.4 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 10.0 ppb (8) N/A N/A 8.5 μg/m3 (35) 35.0
 
July 4, 2020, noon 4.8 ppb (4) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 10.0 ppb (8) N/A N/A 7.8 μg/m3 (32) 32.0
 
July 4, 2020, 11 a.m. 5.3 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 10.0 ppb (8) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 4, 2020, 10 a.m. 8.2 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 4, 2020, 9 a.m. 8.8 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A 9.0 ppb (7) 1.1 ppb (12) N/A 10.0 μg/m3 (42) 42.0
 
July 4, 2020, 8 a.m. 9.2 ppb (9) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 11.0 ppb (8) N/A N/A 9.7 μg/m3 (40) 40.0
 
July 4, 2020, 7 a.m. 6.4 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) N/A N/A 10.3 μg/m3 (43) 43.0
 
July 4, 2020, 6 a.m. 11.8 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) N/A N/A 9.7 μg/m3 (40) 40.0
 
July 4, 2020, 5 a.m. 13.5 ppb (12) 2.9 ppb (3) N/A 11.0 ppb (10) N/A N/A 15.0 ppb (12) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 4, 2020, 4 a.m. 14.5 ppb (13) 4.7 ppb (4) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) N/A N/A 7.7 μg/m3 (32) 32.0
 
July 4, 2020, 3 a.m. 12.9 ppb (12) 4.2 ppb (4) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) 10.7 ppb (120) N/A 7.2 μg/m3 (30) 120.0
 
July 4, 2020, 2 a.m. 10.8 ppb (10) 4.4 ppb (4) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) N/A N/A 8.9 μg/m3 (37) 37.0
 
July 4, 2020, 1 a.m. 14.0 ppb (13) 5.9 ppb (5) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A N/A 11.3 μg/m3 (47) 47.0
 
July 4, 2020, midnight 7.9 ppb (7) 3.1 ppb (3) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) N/A N/A 12.4 μg/m3 (51) 51.0
 
July 3, 2020, 11 p.m. 7.7 ppb (7) 3.1 ppb (3) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A N/A 12.1 μg/m3 (50) 50.0
 
July 3, 2020, 10 p.m. 13.8 ppb (13) 6.5 ppb (6) N/A 7.0 ppb (6) N/A N/A 38.0 ppb (29) N/A N/A 12.6 μg/m3 (51) 51.0
 
July 3, 2020, 9 p.m. 14.4 ppb (13) 7.5 ppb (7) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) N/A N/A 12.8 μg/m3 (52) 52.0
 
July 3, 2020, 8 p.m. 13.6 ppb (13) 6.3 ppb (6) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 13.6 μg/m3 (53) 53.0
 
July 3, 2020, 7 p.m. 15.7 ppb (15) 8.4 ppb (8) N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A 13.8 μg/m3 (54) 54.0
 
July 3, 2020, 6 p.m. 21.8 ppb (20) 12.4 ppb (11) N/A 9.0 ppb (8) N/A N/A 23.0 ppb (18) N/A N/A 14.3 μg/m3 (55) 55.0
 
July 3, 2020, 5 p.m. 8.8 ppb (8) 3.3 ppb (3) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A N/A 12.8 μg/m3 (52) 52.0
 
July 3, 2020, 4 p.m. 11.5 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 12.5 ppb (150) N/A 14.1 μg/m3 (54) 150.0
 
July 3, 2020, 3 p.m. 11.1 ppb (10) 2.2 ppb (2) N/A 9.0 ppb (8) N/A N/A 12.0 ppb (9) N/A N/A 15.2 μg/m3 (57) 57.0
 
July 3, 2020, 2 p.m. 31.6 ppb (29) 15.8 ppb (15) N/A 16.0 ppb (15) N/A N/A 5.0 ppb (4) N/A N/A 14.5 μg/m3 (55) 55.0
 
July 3, 2020, 1 p.m. 16.1 ppb (15) 7.2 ppb (7) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) N/A N/A 14.4 μg/m3 (55) 55.0
 
July 3, 2020, noon 5.8 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 7.0 ppb (5) N/A N/A 14.9 μg/m3 (56) 56.0
 
July 3, 2020, 11 a.m. 6.3 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 6.0 ppb (5) N/A N/A 15.1 μg/m3 (57) 57.0
 
July 3, 2020, 10 a.m. 6.7 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 6.0 ppb (5) 0.3 ppb (3) N/A 15.5 μg/m3 (57) 57.0
 
July 3, 2020, 9 a.m. 7.2 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 9.0 ppb (7) N/A N/A 15.8 μg/m3 (58) 58.0