ID: 1892

AQSQID: 060010011

Site Name: Oakland West

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

Updated: July 15, 2020, 1:41 a.m.

Location: Oakland (Ralph Bunche), CA

Reporting: True, Located: True

Current AQI: 42.0

Oakland (Ralph Bunche) CA, US: 37.8148, -122.282402

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 15, 2020, midnight 5.6 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.36 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2020, 11 p.m. 8.2 ppb (8) 2.5 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.37 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 14, 2020, 10 p.m. 6.3 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (24) 0.39 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 14, 2020, 9 p.m. 6.9 ppb (6) 2.1 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.39 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 8 p.m. 7.0 ppb (6) 2.2 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (22) 0.38 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 7 p.m. 7.4 ppb (7) 2.2 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2020, 6 p.m. 4.0 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 14, 2020, 5 p.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.32 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 14, 2020, 4 p.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 14, 2020, 3 p.m. 3.2 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.32 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 2 p.m. 4.8 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) 0.32 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2020, 1 p.m. 8.6 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (15) 0.34 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2020, noon 9.9 ppb (9) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) 0.31 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2020, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.31 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2020, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.31 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
July 14, 2020, 8 a.m. 4.6 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) 0.31 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2020, 7 a.m. 3.4 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.31 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2020, 6 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2020, 5 a.m. 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2020, 4 a.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2020, 3 a.m. 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.33 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2020, 2 a.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.33 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
July 14, 2020, 1 a.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.34 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2020, midnight 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.34 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 13, 2020, 11 p.m. 4.9 ppb (5) 1.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 13, 2020, 10 p.m. 7.4 ppb (7) 2.6 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) 0.34 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
July 13, 2020, 9 p.m. 5.1 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.34 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 13, 2020, 8 p.m. 4.9 ppb (5) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.34 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 13, 2020, 7 p.m. 4.8 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 13, 2020, 6 p.m. 4.0 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.33 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 13, 2020, 5 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) 0.33 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 13, 2020, 4 p.m. 4.1 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.34 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 13, 2020, 3 p.m. 5.5 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.37 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
July 13, 2020, 2 p.m. 4.3 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) 0.34 ppb (4) N/A N/A 23.0
 
July 13, 2020, 1 p.m. 6.6 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.33 ppb (4) N/A N/A 22.0
 
July 13, 2020, noon 4.9 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.3 ppb (3) N/A N/A 21.0
 
July 13, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 13, 2020, 10 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) 0.31 ppb (3) N/A N/A 15.0
 
July 13, 2020, 9 a.m. 4.3 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (12) 0.32 ppb (4) N/A N/A 12.0
 
July 13, 2020, 8 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (13) 0.32 ppb (4) N/A N/A 13.0
 
July 13, 2020, 7 a.m. 6.8 ppb (6) 0.1 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) 0.33 ppb (4) N/A N/A 10.0
 
July 13, 2020, 6 a.m. 6.3 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.34 ppb (4) N/A N/A 11.0
 
July 13, 2020, 5 a.m. 6.1 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.34 ppb (4) N/A N/A 11.0
 
July 13, 2020, 4 a.m. 5.4 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 16.0 ppb (12) 0.34 ppb (4) N/A N/A 12.0
 
July 13, 2020, 3 a.m. 5.0 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (13) 0.33 ppb (4) N/A N/A 13.0
 
July 13, 2020, 2 a.m. 5.2 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) 0.34 ppb (4) N/A N/A 15.0
 
July 13, 2020, 1 a.m. 7.0 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) 0.38 ppb (4) N/A N/A 17.0
 
July 13, 2020, midnight 6.3 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) 0.38 ppb (4) N/A N/A 20.0
 
July 12, 2020, 11 p.m. 4.7 ppb (4) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) 0.38 ppb (4) N/A N/A 22.0
 
July 12, 2020, 10 p.m. 5.3 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) 0.37 ppb (4) N/A N/A 25.0
 
July 12, 2020, 9 p.m. 5.2 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) 0.37 ppb (4) N/A N/A 26.0
 
July 12, 2020, 8 p.m. 5.0 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) 0.39 ppb (4) N/A N/A 25.0
 
July 12, 2020, 7 p.m. 6.2 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.39 ppb (4) N/A N/A 23.0
 
July 12, 2020, 6 p.m. 9.5 ppb (9) 3.1 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.38 ppb (4) N/A N/A 19.0
 
July 12, 2020, 5 p.m. 15.7 ppb (15) 6.3 ppb (6) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (15) 0.38 ppb (4) N/A N/A 15.0
 
July 12, 2020, 4 p.m. 16.4 ppb (15) 6.6 ppb (6) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 18.0 ppb (14) 0.37 ppb (4) N/A N/A 15.0
 
July 12, 2020, 3 p.m. 25.3 ppb (23) 11.3 ppb (10) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 14.0 ppb (11) 0.36 ppb (4) N/A N/A 23.0
 
July 12, 2020, 2 p.m. 28.9 ppb (27) 12.9 ppb (12) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 10.0 ppb (8) 0.4 ppb (4) N/A N/A 27.0
 
July 12, 2020, 1 p.m. 21.8 ppb (20) 4.6 ppb (4) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 7.0 ppb (5) 0.37 ppb (4) N/A N/A 20.0
 
July 12, 2020, noon 12.2 ppb (11) 0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A 10.0 ppb (8) 0.35 ppb (4) N/A N/A 11.0
 
July 12, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 12, 2020, 10 a.m. 7.3 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.44 ppb (5) N/A N/A 12.0
 
July 12, 2020, 9 a.m. 7.3 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.37 ppb (4) N/A N/A 14.0
 
July 12, 2020, 8 a.m. 6.4 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.33 ppb (4) N/A N/A 16.0
 
July 12, 2020, 7 a.m. 5.9 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.32 ppb (4) N/A N/A 17.0
 
July 12, 2020, 6 a.m. 6.7 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.35 ppb (4) N/A N/A 17.0
 
July 12, 2020, 5 a.m. 6.3 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.36 ppb (4) N/A N/A 17.0
 
July 12, 2020, 4 a.m. 12.2 ppb (11) 0.2 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 17.0 ppb (13) 0.37 ppb (4) N/A N/A 13.0
 
July 12, 2020, 3 a.m. 7.7 ppb (7) 0.2 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (17) 0.41 ppb (5) N/A N/A 17.0
 
July 12, 2020, 2 a.m. 6.9 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.41 ppb (5) N/A N/A 18.0
 
July 12, 2020, 1 a.m. 6.7 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) 0.4 ppb (4) N/A N/A 20.0
 
July 12, 2020, midnight 5.8 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.41 ppb (5) N/A N/A 21.0
 
July 11, 2020, 11 p.m. 5.0 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A N/A 21.0
 
July 11, 2020, 10 p.m. 5.2 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.4 ppb (4) N/A N/A 21.0
 
July 11, 2020, 9 p.m. 5.4 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) 0.39 ppb (4) N/A N/A 22.0
 
July 11, 2020, 8 p.m. 7.2 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.41 ppb (5) N/A N/A 21.0
 
July 11, 2020, 7 p.m. 8.3 ppb (8) 2.6 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.42 ppb (5) N/A N/A 19.0
 
July 11, 2020, 6 p.m. 10.0 ppb (9) 3.5 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.4 ppb (4) N/A N/A 17.0
 
July 11, 2020, 5 p.m. 10.9 ppb (10) 4.2 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.4 ppb (4) N/A N/A 15.0
 
July 11, 2020, 4 p.m. 16.7 ppb (15) 7.3 ppb (7) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 15.0 ppb (12) 0.42 ppb (5) N/A N/A 15.0
 
July 11, 2020, 3 p.m. 16.5 ppb (15) 6.9 ppb (6) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (11) 0.42 ppb (5) N/A N/A 15.0
 
July 11, 2020, 2 p.m. 14.9 ppb (14) 5.3 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 12.0 ppb (9) 0.42 ppb (5) N/A N/A 14.0
 
July 11, 2020, 1 p.m. 16.4 ppb (15) 4.2 ppb (4) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 5.0 ppb (4) 0.49 ppb (5) N/A N/A 15.0
 
July 11, 2020, noon 15.1 ppb (14) 1.2 ppb (1) N/A 14.0 ppb (13) N/A N/A 5.0 ppb (4) 0.47 ppb (5) N/A N/A 14.0
 
July 11, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 11, 2020, 10 a.m. 6.3 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.33 ppb (4) N/A N/A 12.0
 
July 11, 2020, 9 a.m. 7.5 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 14.0 ppb (11) 0.33 ppb (4) N/A N/A 11.0
 
July 11, 2020, 8 a.m. 5.3 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (13) 0.32 ppb (4) N/A N/A 13.0
 
July 11, 2020, 7 a.m. 8.5 ppb (8) 0.1 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (10) 0.32 ppb (4) N/A N/A 10.0
 
July 11, 2020, 6 a.m. 9.1 ppb (8) 0.2 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 11.0 ppb (8) 0.34 ppb (4) N/A N/A 8.0
 
July 11, 2020, 5 a.m. 14.9 ppb (14) 1.2 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 6.0 ppb (5) 0.36 ppb (4) N/A N/A 14.0
 
July 11, 2020, 4 a.m. 16.5 ppb (15) 1.7 ppb (2) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 4.0 ppb (3) 0.35 ppb (4) N/A N/A 15.0
 
July 11, 2020, 3 a.m. 17.2 ppb (16) 3.6 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 5.0 ppb (4) 0.39 ppb (4) N/A N/A 16.0
 
July 11, 2020, 2 a.m. 16.2 ppb (15) 5.9 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 7.0 ppb (5) 0.41 ppb (5) N/A N/A 15.0
 
July 11, 2020, 1 a.m. 14.5 ppb (13) 6.1 ppb (6) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 9.0 ppb (7) 0.39 ppb (4) N/A N/A 13.0
 
July 11, 2020, midnight 11.1 ppb (10) 5.2 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) 0.37 ppb (4) N/A N/A 10.0
 
July 10, 2020, 11 p.m. 7.6 ppb (7) 3.2 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (11) 0.36 ppb (4) N/A N/A 11.0
 
July 10, 2020, 10 p.m. 9.3 ppb (9) 4.4 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (10) 0.39 ppb (4) N/A N/A 10.0
 
July 10, 2020, 9 p.m. 13.8 ppb (13) 7.4 ppb (7) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) 0.39 ppb (4) N/A N/A 13.0
 
July 10, 2020, 8 p.m. 20.0 ppb (19) 11.5 ppb (11) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 11.0 ppb (8) 0.38 ppb (4) N/A N/A 19.0
 
July 10, 2020, 7 p.m. 23.2 ppb (21) 14.2 ppb (13) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 9.0 ppb (7) 0.38 ppb (4) N/A N/A 21.0
 
July 10, 2020, 6 p.m. 18.4 ppb (17) 10.6 ppb (10) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 10.0 ppb (8) 0.35 ppb (4) N/A N/A 17.0
 
July 10, 2020, 5 p.m. 22.0 ppb (20) 13.8 ppb (13) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 9.0 ppb (7) 0.37 ppb (4) N/A N/A 20.0
 
July 10, 2020, 4 p.m. 35.4 ppb (33) 24.7 ppb (23) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 6.0 ppb (5) 0.37 ppb (4) N/A N/A 33.0
 
July 10, 2020, 3 p.m. 32.0 ppb (30) 21.8 ppb (20) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 5.0 ppb (4) 0.36 ppb (4) N/A N/A 30.0
 
July 10, 2020, 2 p.m. 37.7 ppb (35) 26.5 ppb (25) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 4.0 ppb (3) 0.33 ppb (4) N/A N/A 35.0
 
July 10, 2020, 1 p.m. 25.8 ppb (24) 14.7 ppb (14) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 3.0 ppb (2) 0.33 ppb (4) N/A N/A 24.0
 
July 10, 2020, noon 33.8 ppb (31) 21.6 ppb (20) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 2.0 ppb (2) 0.33 ppb (4) N/A N/A 31.0
 
July 10, 2020, 11 a.m. 14.6 ppb (14) 3.8 ppb (4) N/A 11.0 ppb (10) N/A N/A 3.0 ppb (2) 0.28 ppb (3) N/A N/A 14.0
 
July 10, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 10, 2020, 9 a.m. 14.7 ppb (14) 4.6 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 4.0 ppb (3) 0.31 ppb (3) N/A N/A 14.0
 
July 10, 2020, 8 a.m. 14.2 ppb (13) 4.4 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 4.0 ppb (3) 0.32 ppb (4) N/A N/A 13.0
 
July 10, 2020, 7 a.m. 14.2 ppb (13) 4.3 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 4.0 ppb (3) 0.33 ppb (4) N/A N/A 13.0
 
July 10, 2020, 6 a.m. 11.5 ppb (11) 1.6 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 6.0 ppb (5) 0.34 ppb (4) N/A N/A 11.0
 
July 10, 2020, 5 a.m. 20.4 ppb (19) 6.4 ppb (6) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 3.0 ppb (2) 0.34 ppb (4) N/A N/A 19.0
 
July 10, 2020, 4 a.m. 20.0 ppb (19) 5.0 ppb (5) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 3.0 ppb (2) 0.35 ppb (4) N/A N/A 19.0
 
July 10, 2020, 3 a.m. 16.8 ppb (16) 2.8 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 5.0 ppb (4) 0.34 ppb (4) N/A N/A 16.0
 
July 10, 2020, 2 a.m. 10.4 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 12.0 ppb (9) 0.34 ppb (4) N/A N/A 10.0
 
July 10, 2020, 1 a.m. 10.0 ppb (9) 3.2 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.36 ppb (4) N/A N/A 13.0
 
July 10, 2020, midnight 8.9 ppb (8) 2.9 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.38 ppb (4) N/A N/A 16.0
 
July 9, 2020, 11 p.m. 11.6 ppb (11) 4.2 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.39 ppb (4) N/A N/A 16.0
 
July 9, 2020, 10 p.m. 12.8 ppb (12) 4.7 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (17) 0.39 ppb (4) N/A N/A 17.0
 
July 9, 2020, 9 p.m. 9.3 ppb (9) 3.1 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.37 ppb (4) N/A N/A 19.0
 
July 9, 2020, 8 p.m. 8.5 ppb (8) 2.5 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.38 ppb (4) N/A N/A 22.0
 
July 9, 2020, 7 p.m. 10.4 ppb (10) 3.9 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.39 ppb (4) N/A N/A 18.0
 
July 9, 2020, 6 p.m. 11.9 ppb (11) 4.7 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.38 ppb (4) N/A N/A 16.0
 
July 9, 2020, 5 p.m. 18.5 ppb (17) 8.4 ppb (8) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 16.0 ppb (12) 0.37 ppb (4) N/A N/A 17.0
 
July 9, 2020, 4 p.m. 24.7 ppb (23) 12.2 ppb (11) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 13.0 ppb (10) 0.37 ppb (4) N/A N/A 23.0
 
July 9, 2020, 3 p.m. 31.3 ppb (29) 16.1 ppb (15) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 10.0 ppb (8) 0.35 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 9, 2020, 2 p.m. 18.5 ppb (17) 7.1 ppb (7) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 13.0 ppb (10) 0.35 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 9, 2020, 1 p.m. 9.0 ppb (8) 1.2 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 15.0 ppb (12) 0.31 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 9, 2020, noon 7.0 ppb (6) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) 0.29 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
July 9, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
July 9, 2020, 10 a.m. 8.7 ppb (8) 0.1 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 14.0 ppb (11) 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 9, 2020, 9 a.m. 6.5 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.29 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 9, 2020, 8 a.m. 6.2 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.28 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 9, 2020, 7 a.m. 4.3 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) 0.29 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 9, 2020, 6 a.m. 7.4 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 9, 2020, 5 a.m. 7.0 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.31 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 9, 2020, 4 a.m. 6.9 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 9, 2020, 3 a.m. 10.9 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 11.0 ppb (8) 0.3 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
July 9, 2020, 2 a.m. 9.4 ppb (9) 2.3 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.32 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 9, 2020, 1 a.m. 9.9 ppb (9) 3.7 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.32 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 9, 2020, midnight 11.1 ppb (10) 4.9 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.32 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 8, 2020, 11 p.m. 22.5 ppb (21) 11.9 ppb (11) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 14.0 ppb (11) 0.38 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 8, 2020, 10 p.m. 13.7 ppb (13) 5.7 ppb (5) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 18.0 ppb (14) 0.38 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
July 8, 2020, 9 p.m. 8.9 ppb (8) 3.2 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.36 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 8, 2020, 8 p.m. 9.8 ppb (9) 3.7 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.36 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 8, 2020, 7 p.m. 10.5 ppb (10) 4.2 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.39 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 8, 2020, 6 p.m. 19.0 ppb (18) 9.2 ppb (9) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (12) 0.41 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
July 8, 2020, 5 p.m. 22.0 ppb (20) 10.9 ppb (10) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 14.0 ppb (11) 0.4 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
July 8, 2020, 4 p.m. 28.5 ppb (26) 16.4 ppb (15) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 9.0 ppb (7) 0.38 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 8, 2020, 3 p.m. 22.0 ppb (20) 11.6 ppb (11) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (7) 0.39 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
July 8, 2020, 2 p.m. 24.4 ppb (23) 12.1 ppb (11) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 7.0 ppb (5) 0.36 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 8, 2020, 1 p.m. 18.4 ppb (17) 5.5 ppb (5) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 4.0 ppb (3) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 8, 2020, noon 13.0 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (11) N/A N/A 4.0 ppb (3) 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 8, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
July 8, 2020, 10 a.m. 7.3 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (7) 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 8, 2020, 9 a.m. 5.0 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (8) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 7, 2020, 2 p.m. 6.3 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.33 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 7, 2020, 1 p.m. 5.6 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.32 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 7, 2020, noon 5.3 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
July 7, 2020, 10 a.m. 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.29 ppb (3) N/A 4.0 μg/m3 (17) 23.0
 
July 7, 2020, 9 a.m. 2.7 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
July 7, 2020, 8 a.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 7, 2020, 6 a.m. 4.1 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) 0.37 ppb (4) N/A 16.0 μg/m3 (59) 59.0