ID: 1892

AQSQID: 060010011

Site Name: Oakland West

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

Updated: Sept. 30, 2020, 6:39 p.m.

Location: Oakland (Ralph Bunche), CA

Reporting: True, Located: True

Current AQI: 93.0

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
Sept. 30, 2020, 5 p.m. 30.5 ppb (28) 10.9 ppb (10) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 16.0 ppb (12) 0.58 ppb (6) N/A 32.0 μg/m3 (93) 93.0
 
Sept. 30, 2020, 4 p.m. 24.2 ppb (22) 6.9 ppb (6) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 14.0 ppb (11) 0.55 ppb (6) N/A 36.0 μg/m3 (101) 101.0
 
Sept. 30, 2020, 3 p.m. 18.4 ppb (17) 3.2 ppb (3) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 15.0 ppb (12) 0.49 ppb (5) N/A 26.0 μg/m3 (80) 80.0
 
Sept. 30, 2020, 2 p.m. 14.3 ppb (13) 1.3 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 20.0 ppb (15) 0.46 ppb (5) N/A 18.0 μg/m3 (63) 63.0
 
Sept. 30, 2020, 1 p.m. 18.8 ppb (17) 2.4 ppb (2) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 21.0 ppb (16) 0.4 ppb (4) N/A 19.0 μg/m3 (65) 65.0
 
Sept. 30, 2020, noon 26.1 ppb (24) 10.8 ppb (10) N/A 15.0 ppb (14) N/A N/A 24.0 ppb (18) 0.38 ppb (4) N/A 19.0 μg/m3 (65) 65.0
 
Sept. 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 30, 2020, 10 a.m. 20.2 ppb (19) 0.3 ppb (0) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 15.0 ppb (12) 0.38 ppb (4) N/A 25.0 μg/m3 (78) 78.0
 
Sept. 30, 2020, 9 a.m. 18.4 ppb (17) 0.3 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 18.0 ppb (14) 0.39 ppb (4) N/A 27.0 μg/m3 (82) 82.0
 
Sept. 30, 2020, 8 a.m. 13.2 ppb (12) 0.3 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 25.0 ppb (19) 0.37 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
Sept. 30, 2020, 7 a.m. 11.5 ppb (11) 0.3 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 28.0 ppb (22) 0.37 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 30, 2020, 6 a.m. 6.8 ppb (6) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.35 ppb (4) N/A 3.0 μg/m3 (12) 27.0
 
Sept. 30, 2020, 5 a.m. 8.0 ppb (7) 0.3 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (25) 0.36 ppb (4) N/A 3.0 μg/m3 (12) 25.0
 
Sept. 30, 2020, 4 a.m. 5.9 ppb (5) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 28.0
 
Sept. 30, 2020, 3 a.m. 13.5 ppb (12) 0.5 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 29.0 ppb (22) 0.37 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 30, 2020, 2 a.m. 12.7 ppb (12) 0.5 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 30.0 ppb (23) 0.36 ppb (4) N/A 5.0 μg/m3 (21) 23.0
 
Sept. 30, 2020, 1 a.m. 14.4 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 31.0 ppb (24) 0.37 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 30, 2020, midnight 15.2 ppb (14) 2.3 ppb (2) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 35.0 ppb (27) 0.38 ppb (4) N/A 6.0 μg/m3 (25) 27.0
 
Sept. 29, 2020, 11 p.m. 20.0 ppb (19) 4.1 ppb (4) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 36.0 ppb (28) 0.39 ppb (4) N/A 5.0 μg/m3 (21) 28.0
 
Sept. 29, 2020, 10 p.m. 17.1 ppb (16) 3.7 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 39.0 ppb (30) 0.38 ppb (4) N/A 4.0 μg/m3 (17) 30.0
 
Sept. 29, 2020, 9 p.m. 18.1 ppb (17) 4.3 ppb (4) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 37.0 ppb (28) 0.4 ppb (4) N/A 3.0 μg/m3 (12) 28.0
 
Sept. 29, 2020, 8 p.m. 13.1 ppb (12) 2.9 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 38.0 ppb (29) 0.4 ppb (4) N/A 4.0 μg/m3 (17) 29.0
 
Sept. 29, 2020, 7 p.m. 22.2 ppb (21) 6.3 ppb (6) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 28.0 ppb (22) 0.39 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 29, 2020, 6 p.m. 15.4 ppb (14) 4.0 ppb (4) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 28.0 ppb (22) 0.39 ppb (4) N/A 5.0 μg/m3 (21) 22.0
 
Sept. 29, 2020, 5 p.m. 17.5 ppb (16) 4.7 ppb (4) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 24.0 ppb (18) 0.39 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 29, 2020, 4 p.m. 21.9 ppb (20) 5.0 ppb (5) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 20.0 ppb (15) 0.37 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 29, 2020, 3 p.m. 25.6 ppb (24) 4.8 ppb (4) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 15.0 ppb (12) 0.38 ppb (4) N/A 3.0 μg/m3 (12) 24.0
 
Sept. 29, 2020, 2 p.m. 25.8 ppb (24) 4.0 ppb (4) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 11.0 ppb (8) 0.41 ppb (5) N/A 4.0 μg/m3 (17) 24.0
 
Sept. 29, 2020, 1 p.m. 15.8 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 16.0 ppb (12) 0.35 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 29, 2020, noon 13.1 ppb (12) 0.5 ppb (0) N/A 13.0 ppb (12) N/A N/A 16.0 ppb (12) 0.33 ppb (4) N/A 2.0 μg/m3 (8) 12.0
 
Sept. 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
Sept. 29, 2020, 10 a.m. 7.0 ppb (6) 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.32 ppb (4) N/A 2.0 μg/m3 (8) 18.0
 
Sept. 29, 2020, 9 a.m. 3.8 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.34 ppb (4) N/A 4.0 μg/m3 (17) 19.0
 
Sept. 29, 2020, 8 a.m. 3.8 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 20.0
 
Sept. 29, 2020, 7 a.m. 2.7 ppb (3) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.31 ppb (3) N/A 1.0 μg/m3 (4) 22.0
 
Sept. 29, 2020, 6 a.m. 4.7 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.32 ppb (4) N/A 2.0 μg/m3 (8) 21.0
 
Sept. 29, 2020, 5 a.m. 8.7 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (20) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 29, 2020, 4 a.m. 7.8 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
Sept. 29, 2020, 3 a.m. 9.9 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 28.0 ppb (22) 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 29, 2020, 2 a.m. 7.0 ppb (6) 0.5 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 24.0
 
Sept. 29, 2020, 1 a.m. 7.3 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.37 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 29, 2020, midnight 9.4 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (25) 0.38 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 28, 2020, 11 p.m. 11.2 ppb (10) 2.2 ppb (2) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 32.0 ppb (25) 0.41 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 28, 2020, 10 p.m. 22.5 ppb (21) 5.4 ppb (5) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 29.0 ppb (22) 0.47 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 28, 2020, 9 p.m. 32.1 ppb (30) 7.9 ppb (7) N/A 24.0 ppb (22) N/A 1.0 ppb (1) 27.0 ppb (21) 0.53 ppb (6) N/A 17.0 μg/m3 (61) 61.0
 
Sept. 28, 2020, 8 p.m. 30.0 ppb (28) 6.5 ppb (6) N/A 24.0 ppb (22) N/A 1.0 ppb (1) 32.0 ppb (25) 0.51 ppb (6) N/A 20.0 μg/m3 (67) 67.0
 
Sept. 28, 2020, 7 p.m. 25.4 ppb (24) 4.7 ppb (4) N/A 21.0 ppb (19) N/A 1.0 ppb (1) 42.0 ppb (32) 0.4 ppb (4) N/A 21.0 μg/m3 (69) 69.0
 
Sept. 28, 2020, 6 p.m. 20.9 ppb (19) 3.2 ppb (3) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 40.0 ppb (31) 0.38 ppb (4) N/A 28.0 μg/m3 (84) 84.0
 
Sept. 28, 2020, 5 p.m. 41.8 ppb (39) 14.4 ppb (13) N/A 28.0 ppb (26) N/A 1.0 ppb (1) 19.0 ppb (15) 0.45 ppb (5) N/A 21.0 μg/m3 (69) 69.0
 
Sept. 28, 2020, 4 p.m. 45.5 ppb (42) 18.3 ppb (17) N/A 27.0 ppb (25) N/A 1.0 ppb (1) 11.0 ppb (8) 0.52 ppb (6) N/A 19.0 μg/m3 (65) 65.0
 
Sept. 28, 2020, 3 p.m. 49.3 ppb (46) 20.6 ppb (19) N/A 29.0 ppb (27) N/A 1.0 ppb (1) 5.0 ppb (4) 0.59 ppb (7) N/A 20.0 μg/m3 (67) 67.0
 
Sept. 28, 2020, 2 p.m. 43.6 ppb (40) 15.5 ppb (14) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 2.0 ppb (2) 0.58 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 28, 2020, 1 p.m. 59.1 ppb (55) 27.1 ppb (25) N/A 32.0 ppb (30) N/A 1.0 ppb (1) 1.0 ppb (1) 0.6 ppb (7) N/A 25.0 μg/m3 (78) 78.0
 
Sept. 28, 2020, noon 62.6 ppb (59) 25.7 ppb (24) N/A 37.0 ppb (34) N/A N/A 1.0 ppb (1) 0.54 ppb (6) N/A 24.0 μg/m3 (76) 76.0
 
Sept. 26, 2020, 5 a.m. 4.9 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (19) 0.32 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 26, 2020, 4 a.m. 6.4 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.32 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 26, 2020, 3 a.m. 7.1 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.32 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 26, 2020, 2 a.m. 11.6 ppb (11) 0.4 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (16) 0.32 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 26, 2020, 1 a.m. 9.3 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 26, 2020, midnight 10.3 ppb (10) 2.1 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 25, 2020, 11 p.m. 9.4 ppb (9) 2.4 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.28 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 25, 2020, 10 p.m. 9.0 ppb (8) 2.3 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.28 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
Sept. 25, 2020, 9 p.m. 7.9 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.26 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 25, 2020, 8 p.m. 8.3 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.26 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 25, 2020, 7 p.m. 7.6 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.25 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 25, 2020, 6 p.m. 5.5 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) 0.26 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 25, 2020, 5 p.m. 6.4 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.28 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 25, 2020, 4 p.m. 8.7 ppb (8) 2.1 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.29 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 25, 2020, 3 p.m. 9.1 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.29 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 25, 2020, 2 p.m. 19.8 ppb (18) 1.9 ppb (2) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 14.0 ppb (11) 0.3 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 25, 2020, 1 p.m. 15.2 ppb (14) 0.7 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 14.0 ppb (11) 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 25, 2020, noon 9.8 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 11 a.m. 6.5 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.26 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 9 a.m. 7.0 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.26 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 8 a.m. 7.6 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.29 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 7 a.m. 10.3 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 20.0 ppb (15) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 25, 2020, 6 a.m. 10.0 ppb (9) 0.2 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (16) 0.29 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 25, 2020, 5 a.m. 12.3 ppb (11) 0.3 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (16) 0.28 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 25, 2020, 4 a.m. 10.2 ppb (9) 0.3 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 25, 2020, 3 a.m. 8.6 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 2 a.m. 9.8 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (20) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 20.0
 
Sept. 25, 2020, 1 a.m. 13.1 ppb (12) 2.6 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (20) 0.31 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 25, 2020, midnight 7.5 ppb (7) 1.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 24, 2020, 11 p.m. 8.1 ppb (8) 1.8 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.34 ppb (4) N/A 3.0 μg/m3 (12) 25.0
 
Sept. 24, 2020, 10 p.m. 8.3 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) 0.35 ppb (4) N/A 1.0 μg/m3 (4) 24.0
 
Sept. 24, 2020, 9 p.m. 7.8 ppb (7) 2.2 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.37 ppb (4) N/A 4.0 μg/m3 (17) 21.0
 
Sept. 24, 2020, 8 p.m. 10.0 ppb (9) 3.3 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.38 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 24, 2020, 7 p.m. 11.8 ppb (11) 4.3 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (15) 0.37 ppb (4) N/A 2.0 μg/m3 (8) 15.0
 
Sept. 24, 2020, 6 p.m. 15.9 ppb (15) 6.3 ppb (6) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 17.0 ppb (13) 0.38 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, 5 p.m. 15.6 ppb (14) 6.7 ppb (6) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 15.0 ppb (12) 0.38 ppb (4) N/A 2.0 μg/m3 (8) 14.0
 
Sept. 24, 2020, 4 p.m. 19.6 ppb (18) 9.0 ppb (8) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 10.0 ppb (8) 0.39 ppb (4) N/A 3.0 μg/m3 (12) 18.0
 
Sept. 24, 2020, 3 p.m. 25.0 ppb (23) 9.9 ppb (9) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 6.0 ppb (5) 0.38 ppb (4) N/A 5.0 μg/m3 (21) 23.0
 
Sept. 24, 2020, 2 p.m. 18.3 ppb (17) 3.6 ppb (3) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 5.0 ppb (4) 0.42 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 24, 2020, 1 p.m. 16.0 ppb (15) 1.9 ppb (2) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 4.0 ppb (3) 0.39 ppb (4) N/A 3.0 μg/m3 (12) 15.0
 
Sept. 24, 2020, noon 28.1 ppb (26) 10.2 ppb (9) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.35 ppb (4) N/A 1.0 μg/m3 (4) 26.0
 
Sept. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.0 μg/m3 (0) N/A
Sept. 24, 2020, 10 a.m. 8.8 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 10.0 ppb (8) 0.35 ppb (4) N/A -2.0 μg/m3 (0) 8.0
 
Sept. 24, 2020, 9 a.m. 7.7 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (8) 0.38 ppb (4) N/A -2.0 μg/m3 (0) 8.0
 
Sept. 24, 2020, 8 a.m. 11.8 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 8.0 ppb (6) 0.39 ppb (4) N/A -3.0 μg/m3 (0) 11.0
 
Sept. 24, 2020, 7 a.m. 17.2 ppb (16) 1.7 ppb (2) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 5.0 ppb (4) 0.43 ppb (5) N/A -1.0 μg/m3 (0) 16.0
 
Sept. 24, 2020, 6 a.m. 17.6 ppb (16) 1.5 ppb (1) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 5.0 ppb (4) 0.47 ppb (5) N/A 1.0 μg/m3 (4) 16.0
 
Sept. 24, 2020, 5 a.m. 15.3 ppb (14) 0.8 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 7.0 ppb (5) 0.39 ppb (4) N/A 3.0 μg/m3 (12) 14.0
 
Sept. 24, 2020, 4 a.m. 16.3 ppb (15) 1.6 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 8.0 ppb (6) 0.4 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, 3 a.m. 12.6 ppb (12) 0.7 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 12.0 ppb (9) 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 24, 2020, 2 a.m. 9.0 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 16.0 ppb (12) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, 1 a.m. 10.1 ppb (9) 1.5 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 17.0 ppb (13) 0.36 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, midnight 9.4 ppb (9) 2.8 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.34 ppb (4) N/A 2.0 μg/m3 (8) 15.0
 
Sept. 23, 2020, 11 p.m. 10.4 ppb (10) 3.5 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.35 ppb (4) N/A 2.0 μg/m3 (8) 15.0
 
Sept. 23, 2020, 10 p.m. 7.8 ppb (7) 2.5 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 23, 2020, 9 p.m. 11.7 ppb (11) 3.5 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 19.0
 
Sept. 23, 2020, 8 p.m. 12.2 ppb (11) 3.6 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (20) 0.29 ppb (3) N/A 3.0 μg/m3 (12) 20.0
 
Sept. 23, 2020, 7 p.m. 17.2 ppb (16) 5.2 ppb (5) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2020, 6 p.m. 17.6 ppb (16) 5.6 ppb (5) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 23.0 ppb (18) 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 23, 2020, 3 p.m. 19.0 ppb (18) 5.6 ppb (5) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 15.0 ppb (12) 0.38 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, 11 p.m. 13.2 ppb (12) 3.7 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (18) 0.31 ppb (3) N/A 1.0 μg/m3 (4) 18.0
 
Sept. 22, 2020, 10 p.m. 12.1 ppb (11) 3.3 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 28.0 ppb (22) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
Sept. 22, 2020, 9 p.m. 10.6 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (22) 0.32 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, 8 p.m. 10.1 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, 7 p.m. 6.8 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.32 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, 6 p.m. 6.8 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2020, 5 p.m. 11.8 ppb (11) 3.8 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (18) 0.37 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, 4 p.m. 11.9 ppb (11) 2.9 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (16) 0.36 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, 3 p.m. 8.6 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2020, 2 p.m. 8.2 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.37 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, 1 p.m. 4.3 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2020, noon 6.0 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 22, 2020, 10 a.m. 4.1 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 20.0
 
Sept. 22, 2020, 9 a.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 22, 2020, 8 a.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 22.0
 
Sept. 22, 2020, 7 a.m. 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, 6 a.m. 3.2 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, 5 a.m. 4.8 ppb (4) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (19) 0.39 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 22, 2020, 4 a.m. 5.6 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) 0.39 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, 3 a.m. 8.2 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (16) 0.39 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, 2 a.m. 8.1 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (16) 0.42 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 22, 2020, 1 a.m. 8.7 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (18) 0.46 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 22, 2020, midnight 9.4 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (18) 0.45 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 21, 2020, 11 p.m. 10.2 ppb (9) 2.5 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (20) 0.44 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 21, 2020, 10 p.m. 14.4 ppb (13) 4.1 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 26.0 ppb (20) 0.47 ppb (5) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 21, 2020, 9 p.m. 13.7 ppb (13) 4.2 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 26.0 ppb (20) 0.48 ppb (5) N/A N/A 20.0
 
Sept. 21, 2020, 8 p.m. 13.2 ppb (12) 4.2 ppb (4) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (20) 0.48 ppb (5) N/A N/A 20.0
 
Sept. 21, 2020, 7 p.m. 14.3 ppb (13) 4.7 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (19) 0.47 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 21, 2020, 6 p.m. 19.6 ppb (18) 6.9 ppb (6) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 21.0 ppb (16) 0.5 ppb (6) N/A 19.0 μg/m3 (65) 65.0
 
Sept. 21, 2020, 5 p.m. 21.0 ppb (19) 7.3 ppb (7) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 18.0 ppb (14) 0.48 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
Sept. 21, 2020, 4 p.m. 21.8 ppb (20) 7.2 ppb (7) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 16.0 ppb (12) 0.45 ppb (5) N/A 18.0 μg/m3 (63) 63.0
 
Sept. 21, 2020, 3 p.m. 34.8 ppb (32) 13.0 ppb (12) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 8.0 ppb (6) 0.49 ppb (5) N/A 17.0 μg/m3 (61) 61.0
 
Sept. 21, 2020, 2 p.m. 32.1 ppb (30) 8.6 ppb (8) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 5.0 ppb (4) 0.48 ppb (5) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 21, 2020, 1 p.m. 10.7 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (12) 0.48 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 21, 2020, noon 5.4 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 21, 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
 
Sept. 21, 2020, 10 a.m. 5.8 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) 0.49 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 21, 2020, 9 a.m. 6.3 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.52 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 21, 2020, 8 a.m. 6.6 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.48 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 21, 2020, 7 a.m. 11.0 ppb (10) 0.3 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 16.0 ppb (12) 0.47 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
Sept. 21, 2020, 6 a.m. 10.5 ppb (10) 0.2 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 16.0 ppb (12) 0.49 ppb (5) N/A 17.0 μg/m3 (61) 61.0
 
Sept. 21, 2020, 5 a.m. 7.9 ppb (7) 0.4 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (14) 0.52 ppb (6) N/A 25.0 μg/m3 (78) 78.0
 
Sept. 21, 2020, 4 a.m. 6.0 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.54 ppb (6) N/A 22.0 μg/m3 (71) 71.0
 
Sept. 21, 2020, 3 a.m. 9.2 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (14) 0.53 ppb (6) N/A 25.0 μg/m3 (78) 78.0
 
Sept. 21, 2020, 2 a.m. 9.9 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (14) 0.5 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 21, 2020, 1 a.m. 8.5 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (18) 0.49 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 21, 2020, midnight 8.9 ppb (8) 1.1 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (26) 0.51 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 20, 2020, 11 p.m. 9.7 ppb (9) 1.7 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (25) 0.51 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 20, 2020, 10 p.m. 7.7 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.53 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 20, 2020, 9 p.m. 8.4 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.53 ppb (6) N/A 8.0 μg/m3 (33) 33.0