ID: 1236

AQSQID: 410510080

Site Name: Portland - Se Lafayette

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

Updated: July 9, 2020, 10:34 p.m.

Location: Portland (Foster-Powell), OR

Reporting: True, Located: True

Current AQI: 16.0

Portland (Foster-Powell) OR, US: 45.496641, -122.602877

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 9, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 3.4 μg/m3 (14) 16.0
 
July 9, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 3.8 μg/m3 (16) 16.0
 
July 9, 2020, 7 p.m. 10.9 ppb (10) 5.2 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 4.5 μg/m3 (19) 19.0
 
July 9, 2020, 6 p.m. 10.1 ppb (9) 5.2 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 4.4 μg/m3 (18) 18.0
 
July 9, 2020, 5 p.m. 13.3 ppb (12) 6.8 ppb (6) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 4.8 μg/m3 (20) 20.0
 
July 9, 2020, 4 p.m. 12.7 ppb (12) 5.3 ppb (5) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 9, 2020, 3 p.m. 11.4 ppb (11) 4.4 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 4.2 μg/m3 (18) 18.0
 
July 9, 2020, 2 p.m. 9.0 ppb (8) 2.4 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 4.1 μg/m3 (17) 17.0
 
July 9, 2020, 1 p.m. 5.3 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 3.5 μg/m3 (15) 15.0
 
July 9, 2020, noon 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 3.2 μg/m3 (13) 13.0
 
July 9, 2020, 11 a.m. 3.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 3.3 μg/m3 (14) 14.0
 
July 9, 2020, 10 a.m. 5.3 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 3.9 μg/m3 (16) 16.0
 
July 9, 2020, 9 a.m. 7.1 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 5.6 μg/m3 (23) 23.0
 
July 9, 2020, 8 a.m. 5.6 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 4.5 μg/m3 (19) 19.0
 
July 9, 2020, 7 a.m. 3.7 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 3.4 μg/m3 (14) 14.0
 
July 9, 2020, 6 a.m. 4.4 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 3.5 μg/m3 (15) 15.0
 
July 9, 2020, 5 a.m. 7.1 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 3.9 μg/m3 (16) 16.0
 
July 9, 2020, 4 a.m. 5.8 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 3.6 μg/m3 (15) 15.0
 
July 9, 2020, 3 a.m. 2.6 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 2.9 μg/m3 (12) 18.0
 
July 9, 2020, 2 a.m. 2.3 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 6.9 ppb (74) N/A 2.8 μg/m3 (12) 74.0
 
July 9, 2020, 1 a.m. 2.5 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 2.6 μg/m3 (11) 19.0
 
July 9, 2020, midnight 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 2.6 μg/m3 (11) 21.0
 
July 8, 2020, 11 p.m. 2.3 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 2.7 μg/m3 (11) 21.0
 
July 8, 2020, 10 p.m. 2.5 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 2.8 μg/m3 (12) 22.0
 
July 8, 2020, 9 p.m. 2.2 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 3.3 μg/m3 (14) 22.0
 
July 8, 2020, 8 p.m. 2.7 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 3.2 μg/m3 (13) 20.0
 
July 8, 2020, 7 p.m. 2.7 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 2.9 μg/m3 (12) 18.0
 
July 8, 2020, 6 p.m. 4.6 ppb (4) 2.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 2.7 μg/m3 (11) 15.0
 
July 8, 2020, 5 p.m. 5.4 ppb (5) 2.7 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 2.5 μg/m3 (10) 14.0
 
July 8, 2020, 4 p.m. 4.9 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 2.4 μg/m3 (10) 12.0
 
July 8, 2020, 3 p.m. 10.4 ppb (10) 4.1 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 3.0 μg/m3 (12) 12.0
 
July 8, 2020, 2 p.m. 11.1 ppb (10) 3.6 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 3.3 μg/m3 (14) 14.0
 
July 8, 2020, 1 p.m. 7.7 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 3.2 μg/m3 (13) 13.0
 
July 8, 2020, noon 6.3 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 3.4 μg/m3 (14) 14.0
 
July 8, 2020, 11 a.m. 4.9 ppb (5) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 2.7 μg/m3 (11) 11.0
 
July 8, 2020, 10 a.m. 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 2.6 μg/m3 (11) 11.0
 
July 8, 2020, 9 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 2.5 μg/m3 (10) 11.0
 
July 8, 2020, 8 a.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 2.3 μg/m3 (10) 10.0
 
July 8, 2020, 7 a.m. 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 2.5 μg/m3 (10) 10.0
 
July 8, 2020, 6 a.m. 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 2.4 μg/m3 (10) 10.0
 
July 8, 2020, 5 a.m. 3.6 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 2.5 μg/m3 (10) 10.0
 
July 8, 2020, 4 a.m. 6.6 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (8) 10.3 ppb (113) N/A 4.3 μg/m3 (18) 113.0
 
July 8, 2020, 3 a.m. 5.4 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 3.5 μg/m3 (15) 15.0
 
July 8, 2020, 2 a.m. 4.1 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 3.0 μg/m3 (12) 13.0
 
July 8, 2020, 1 a.m. 4.3 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 2.4 μg/m3 (10) 13.0
 
July 8, 2020, midnight 3.3 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (14) 7.7 ppb (82) N/A 2.1 μg/m3 (9) 82.0
 
July 7, 2020, 11 p.m. 7.1 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 3.3 μg/m3 (14) 14.0
 
July 7, 2020, 10 p.m. 2.1 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) 6.3 ppb (68) N/A 2.8 μg/m3 (12) 68.0
 
July 7, 2020, 9 p.m. 2.0 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 3.1 μg/m3 (13) 19.0
 
July 7, 2020, 8 p.m. 2.4 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 3.4 μg/m3 (14) 19.0
 
July 7, 2020, 7 p.m. 2.9 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 3.6 μg/m3 (15) 19.0
 
July 7, 2020, 6 p.m. 2.5 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 3.4 μg/m3 (14) 19.0
 
July 7, 2020, 5 p.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
July 7, 2020, 4 p.m. 2.7 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 3.3 μg/m3 (14) 16.0
 
July 7, 2020, 3 p.m. 3.1 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 3.2 μg/m3 (13) 15.0
 
July 7, 2020, 2 p.m. 2.9 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
July 7, 2020, 1 p.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 2.9 μg/m3 (12) 17.0
 
July 7, 2020, noon 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 2.3 μg/m3 (10) 17.0
 
July 7, 2020, 11 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 2.9 μg/m3 (12) 16.0
 
July 7, 2020, 10 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 2.7 μg/m3 (11) 16.0
 
July 7, 2020, 9 a.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 1.5 μg/m3 (6) 17.0
 
July 7, 2020, 8 a.m. 2.6 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 1.7 μg/m3 (7) 16.0
 
July 7, 2020, 7 a.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 1.8 μg/m3 (8) 15.0
 
July 7, 2020, 6 a.m. 2.7 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 1.9 μg/m3 (8) 15.0
 
July 7, 2020, 5 a.m. 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 2.6 μg/m3 (11) 15.0
 
July 7, 2020, 4 a.m. 2.8 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 5.2 μg/m3 (22) 22.0
 
July 7, 2020, 3 a.m. 3.1 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 7, 2020, 2 a.m. 3.6 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 6.5 μg/m3 (27) 27.0
 
July 7, 2020, 1 a.m. 4.3 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 9.1 μg/m3 (38) 38.0
 
July 7, 2020, midnight 3.9 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 6, 2020, 11 p.m. 4.8 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 5.9 μg/m3 (25) 25.0
 
July 6, 2020, 10 p.m. 6.2 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 6.3 μg/m3 (26) 26.0
 
July 6, 2020, 9 p.m. 8.7 ppb (8) 2.4 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 6.5 μg/m3 (27) 27.0
 
July 6, 2020, 8 p.m. 3.7 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 5.6 μg/m3 (23) 23.0
 
July 6, 2020, 7 p.m. 5.3 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 6, 2020, 6 p.m. 6.8 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 6.1 μg/m3 (25) 25.0
 
July 6, 2020, 5 p.m. 6.6 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 6, 2020, 4 p.m. 6.0 ppb (6) 1.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 4.9 μg/m3 (20) 20.0
 
July 6, 2020, 3 p.m. 6.8 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 6, 2020, 2 p.m. 8.2 ppb (8) 1.3 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 6, 2020, 1 p.m. 7.5 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 4.2 μg/m3 (18) 18.0
 
July 6, 2020, noon 7.7 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 4.9 μg/m3 (20) 20.0
 
July 6, 2020, 11 a.m. 7.1 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 5.5 μg/m3 (23) 23.0
 
July 6, 2020, 10 a.m. 6.3 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 5.6 μg/m3 (23) 23.0
 
July 6, 2020, 9 a.m. 3.4 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 4.6 μg/m3 (19) 19.0
 
July 6, 2020, 8 a.m. 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 3.9 μg/m3 (16) 17.0
 
July 6, 2020, 7 a.m. 2.9 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 4.1 μg/m3 (17) 18.0
 
July 6, 2020, 6 a.m. 2.4 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 4.1 μg/m3 (17) 18.0
 
July 6, 2020, 5 a.m. 4.5 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 4.6 μg/m3 (19) 19.0
 
July 6, 2020, 4 a.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 5.1 μg/m3 (21) 21.0
 
July 6, 2020, 3 a.m. 2.2 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 5.8 μg/m3 (24) 24.0
 
July 6, 2020, 2 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 6, 2020, 1 a.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 6, 2020, midnight 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 1.2 ppb (13) N/A 6.5 μg/m3 (27) 29.0
 
July 5, 2020, 11 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 7.6 ppb (81) N/A 6.5 μg/m3 (27) 81.0
 
July 5, 2020, 10 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 4.1 ppb (46) N/A 6.6 μg/m3 (28) 46.0
 
July 5, 2020, 9 p.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) 13.9 ppb (173) N/A 6.7 μg/m3 (28) 173.0
 
July 5, 2020, 8 p.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 6.8 μg/m3 (28) 28.0
 
July 5, 2020, 7 p.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 5, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 5, 2020, 5 p.m. 4.5 ppb (4) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 6.3 μg/m3 (26) 26.0
 
July 5, 2020, 4 p.m. 5.0 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 9.9 μg/m3 (41) 41.0
 
July 5, 2020, 3 p.m. 4.6 ppb (4) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 13.5 μg/m3 (53) 53.0
 
July 5, 2020, 2 p.m. 6.5 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 23.1 μg/m3 (74) 74.0
 
July 5, 2020, 1 p.m. 5.8 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 20.0 μg/m3 (67) 67.0
 
July 5, 2020, noon 4.6 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 11.7 μg/m3 (49) 49.0
 
July 5, 2020, 11 a.m. 5.0 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 11.3 μg/m3 (47) 47.0
 
July 5, 2020, 10 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 10.8 μg/m3 (45) 45.0
 
July 5, 2020, 9 a.m. 4.4 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 10.6 μg/m3 (44) 44.0
 
July 5, 2020, 8 a.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 5, 2020, 7 a.m. 3.6 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 13.5 μg/m3 (53) 53.0
 
July 5, 2020, 6 a.m. 3.5 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 20.7 μg/m3 (69) 69.0
 
July 5, 2020, 5 a.m. 4.8 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 22.0 ppb (17) N/A N/A 29.8 μg/m3 (88) 88.0
 
July 5, 2020, 4 a.m. 4.3 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 20.3 μg/m3 (68) 68.0
 
July 5, 2020, 3 a.m. 2.2 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 9.6 μg/m3 (40) 40.0
 
July 5, 2020, 2 a.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 10.5 μg/m3 (44) 44.0
 
July 5, 2020, 1 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 7.4 μg/m3 (31) 31.0
 
July 5, 2020, midnight 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 7.5 μg/m3 (31) 31.0
 
July 4, 2020, 11 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 7.1 μg/m3 (30) 30.0
 
July 4, 2020, 10 p.m. 2.0 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 4, 2020, 9 p.m. 1.4 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 6.5 μg/m3 (27) 28.0
 
July 4, 2020, 8 p.m. 2.2 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 5.9 μg/m3 (25) 25.0
 
July 4, 2020, 7 p.m. 3.2 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 5.6 μg/m3 (23) 23.0
 
July 4, 2020, 6 p.m. 3.7 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 5.2 μg/m3 (22) 22.0
 
July 4, 2020, 5 p.m. 3.6 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 4.9 μg/m3 (20) 20.0
 
July 4, 2020, 4 p.m. 3.7 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 4.9 μg/m3 (20) 20.0
 
July 4, 2020, 3 p.m. 3.4 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 4, 2020, 2 p.m. 2.9 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 5.1 μg/m3 (21) 21.0
 
July 4, 2020, 1 p.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 4.8 μg/m3 (20) 20.0
 
July 4, 2020, noon 2.6 ppb (2) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 4.6 μg/m3 (19) 19.0
 
July 4, 2020, 11 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 4.5 μg/m3 (19) 19.0
 
July 4, 2020, 10 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 4, 2020, 9 a.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 5.1 μg/m3 (21) 21.0
 
July 4, 2020, 8 a.m. 3.3 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 4.8 μg/m3 (20) 20.0
 
July 4, 2020, 7 a.m. 3.4 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 4.5 μg/m3 (19) 19.0
 
July 4, 2020, 6 a.m. 2.7 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 4.3 ppb (48) N/A 4.7 μg/m3 (20) 48.0
 
July 4, 2020, 5 a.m. 3.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 5.2 μg/m3 (22) 22.0
 
July 4, 2020, 4 a.m. 4.8 ppb (4) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 7.3 μg/m3 (30) 30.0
 
July 4, 2020, 3 a.m. 3.6 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 4, 2020, 2 a.m. 2.0 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 6.2 μg/m3 (26) 26.0
 
July 4, 2020, 1 a.m. 2.0 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 8.2 μg/m3 (34) 34.0
 
July 4, 2020, midnight 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 11.1 μg/m3 (46) 46.0
 
July 3, 2020, 11 p.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 12.4 μg/m3 (51) 51.0
 
July 3, 2020, 10 p.m. 2.8 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 12.2 μg/m3 (50) 50.0
 
July 3, 2020, 9 p.m. 2.5 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 12.2 μg/m3 (50) 50.0
 
July 3, 2020, 8 p.m. 4.5 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 12.2 μg/m3 (50) 50.0
 
July 3, 2020, 7 p.m. 4.3 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 3, 2020, 6 p.m. 6.5 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 12.1 μg/m3 (50) 50.0
 
July 3, 2020, 5 p.m. 7.7 ppb (7) 2.1 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 10.8 μg/m3 (45) 45.0
 
July 3, 2020, 4 p.m. 5.5 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 3, 2020, 3 p.m. 7.8 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 10.4 μg/m3 (43) 43.0
 
July 3, 2020, 2 p.m. 9.7 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 11.6 μg/m3 (48) 48.0
 
July 3, 2020, 1 p.m. 11.4 ppb (11) 1.6 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 11.8 μg/m3 (49) 49.0
 
July 3, 2020, noon 9.0 ppb (8) 1.1 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 11.6 μg/m3 (48) 48.0
 
July 3, 2020, 11 a.m. 6.8 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 10.6 μg/m3 (44) 44.0
 
July 3, 2020, 10 a.m. 5.6 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 10.3 μg/m3 (43) 43.0
 
July 3, 2020, 9 a.m. 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 10.2 μg/m3 (42) 42.0
 
July 3, 2020, 8 a.m. 4.1 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 10.4 μg/m3 (43) 43.0
 
July 3, 2020, 7 a.m. 5.0 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 10.9 μg/m3 (45) 45.0
 
July 3, 2020, 6 a.m. 6.1 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 13.0 μg/m3 (52) 52.0
 
July 3, 2020, 5 a.m. 6.7 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 13.5 μg/m3 (53) 53.0
 
July 3, 2020, 4 a.m. 5.6 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 12.8 μg/m3 (52) 52.0
 
July 3, 2020, 3 a.m. 3.8 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 12.8 μg/m3 (52) 52.0
 
July 3, 2020, 2 a.m. 2.9 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 13.0 μg/m3 (52) 52.0
 
July 3, 2020, 1 a.m. 3.1 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 13.5 μg/m3 (53) 53.0
 
July 3, 2020, midnight 3.7 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 13.4 μg/m3 (53) 53.0
 
July 2, 2020, 11 p.m. 3.8 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 12.5 μg/m3 (51) 51.0
 
July 2, 2020, 10 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 11.8 μg/m3 (49) 49.0