ID: 2408

AQSQID: 060010012

Site Name: Laney College

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

Updated: Oct. 25, 2021, 10:04 a.m.

Location: Oakland (Peralta-Laney), CA

Reporting: True, Located: True

Current AQI: 17.0

Oakland (Peralta-Laney) CA, US: 37.793624, -122.263376

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 25, 2021, 8 a.m. 7.9 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.28 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 25, 2021, 7 a.m. 7.5 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.28 ppb (4) N/A 1.0 μg/m3 (5) 8.0
 
Oct. 25, 2021, 6 a.m. 8.3 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.3 ppb (4) N/A -2.0 μg/m3 (0) 8.0
 
Oct. 25, 2021, 5 a.m. 13.2 ppb (13) 3.5 ppb (4) N/A 10.0 ppb (10) N/A N/A N/A 0.32 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
Oct. 25, 2021, 4 a.m. 8.8 ppb (9) 1.1 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.32 ppb (4) N/A 0.0 μg/m3 (0) 9.0
 
Oct. 25, 2021, 3 a.m. 8.5 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.32 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 25, 2021, 2 a.m. 6.5 ppb (7) 1.3 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.31 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 25, 2021, 1 a.m. 8.2 ppb (8) 1.6 ppb (2) N/A 7.0 ppb (7) N/A N/A N/A 0.31 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 25, 2021, midnight 11.8 ppb (12) 2.1 ppb (2) N/A 10.0 ppb (10) N/A N/A N/A 0.32 ppb (4) N/A 0.0 μg/m3 (0) 12.0
 
Oct. 24, 2021, 11 p.m. 5.7 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) N/A -3.0 μg/m3 (0) 6.0
 
Oct. 24, 2021, 10 p.m. 3.1 ppb (3) 1.6 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.29 ppb (4) N/A -3.0 μg/m3 (0) 4.0
 
Oct. 24, 2021, 9 p.m. 2.1 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.27 ppb (4) N/A 0.0 μg/m3 (0) 4.0
 
Oct. 24, 2021, 8 p.m. 2.6 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 0.27 ppb (4) N/A 1.0 μg/m3 (5) 5.0
 
Oct. 24, 2021, 7 p.m. 2.5 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.28 ppb (4) N/A -1.0 μg/m3 (0) 4.0
 
Oct. 24, 2021, 6 p.m. 3.0 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.28 ppb (4) N/A 0.0 μg/m3 (0) 4.0
 
Oct. 24, 2021, 5 p.m. 4.1 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.29 ppb (4) N/A 0.0 μg/m3 (0) 4.0
 
Oct. 24, 2021, 4 p.m. 3.7 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.28 ppb (4) N/A 1.0 μg/m3 (5) 5.0
 
Oct. 24, 2021, 3 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.28 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 24, 2021, 2 p.m. 3.5 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.28 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 24, 2021, 1 p.m. 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.26 ppb (4) N/A 0.0 μg/m3 (0) 4.0
 
Oct. 24, 2021, noon 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.26 ppb (4) N/A -1.0 μg/m3 (0) 4.0
 
Oct. 24, 2021, 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) 0.0
Oct. 24, 2021, 10 a.m. 2.1 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.26 ppb (4) N/A 0.0 μg/m3 (0) 4.0
 
Oct. 24, 2021, 9 a.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.26 ppb (4) N/A 1.0 μg/m3 (5) 5.0
 
Oct. 24, 2021, 8 a.m. 3.3 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.27 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 24, 2021, 7 a.m. 4.0 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.29 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 24, 2021, 6 a.m. 6.4 ppb (7) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.31 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 24, 2021, 5 a.m. 9.2 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A N/A 0.34 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 24, 2021, 4 a.m. 6.4 ppb (7) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 24, 2021, 3 a.m. 7.0 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.34 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 24, 2021, 2 a.m. 9.7 ppb (10) 2.4 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 24, 2021, 1 a.m. 7.2 ppb (7) 2.7 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 24, 2021, midnight 8.8 ppb (9) 3.6 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.43 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 23, 2021, 11 p.m. 10.2 ppb (10) 4.1 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.42 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 23, 2021, 10 p.m. 12.2 ppb (12) 5.2 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.42 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 23, 2021, 9 p.m. 10.3 ppb (10) 3.8 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.38 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 23, 2021, 8 p.m. 11.8 ppb (12) 4.7 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.4 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 23, 2021, 7 p.m. 13.1 ppb (13) 5.1 ppb (5) N/A 8.0 ppb (8) N/A N/A N/A 0.42 ppb (5) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 23, 2021, 6 p.m. 14.2 ppb (14) 6.0 ppb (6) N/A 8.0 ppb (8) N/A N/A N/A 0.41 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 23, 2021, 5 p.m. 13.7 ppb (13) 5.8 ppb (6) N/A 8.0 ppb (8) N/A N/A N/A 0.4 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 23, 2021, 4 p.m. 18.3 ppb (18) 7.0 ppb (7) N/A 11.0 ppb (11) N/A N/A N/A 0.41 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 23, 2021, 3 p.m. 15.2 ppb (15) 5.0 ppb (5) N/A 10.0 ppb (10) N/A N/A N/A 0.44 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 23, 2021, 2 p.m. 15.8 ppb (15) 4.7 ppb (5) N/A 11.0 ppb (11) N/A N/A N/A 0.38 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 23, 2021, 1 p.m. 12.3 ppb (12) 3.3 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A 0.35 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 23, 2021, noon 10.2 ppb (10) 2.3 ppb (3) N/A 8.0 ppb (8) N/A N/A N/A 0.36 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 23, 2021, 11 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
 
Oct. 23, 2021, 10 a.m. 7.6 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.35 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 23, 2021, 9 a.m. 7.9 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A N/A 0.36 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 23, 2021, 8 a.m. 8.0 ppb (8) 1.2 ppb (2) N/A 7.0 ppb (7) N/A N/A N/A 0.35 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 23, 2021, 7 a.m. 7.8 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.36 ppb (5) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 23, 2021, 6 a.m. 11.3 ppb (11) 2.0 ppb (2) N/A 9.0 ppb (9) N/A N/A N/A 0.4 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 23, 2021, 5 a.m. 19.4 ppb (19) 3.1 ppb (3) N/A 16.0 ppb (16) N/A N/A N/A 0.41 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 23, 2021, 4 a.m. 11.5 ppb (11) 2.7 ppb (3) N/A 9.0 ppb (9) N/A N/A N/A 0.4 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 23, 2021, 3 a.m. 11.6 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (9) N/A N/A N/A 0.42 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 23, 2021, 2 a.m. 16.6 ppb (16) 4.3 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.42 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 23, 2021, 1 a.m. 16.4 ppb (16) 4.5 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.43 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 23, 2021, midnight 17.0 ppb (17) 4.9 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.4 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 22, 2021, 11 p.m. 22.8 ppb (22) 9.2 ppb (9) N/A 14.0 ppb (14) N/A N/A N/A 0.4 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 22, 2021, 10 p.m. 23.3 ppb (22) 8.5 ppb (9) N/A 15.0 ppb (15) N/A N/A N/A 0.41 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 22, 2021, 9 p.m. 24.2 ppb (23) 10.1 ppb (10) N/A 14.0 ppb (14) N/A N/A N/A 0.43 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 22, 2021, 8 p.m. 20.4 ppb (20) 8.0 ppb (8) N/A 12.0 ppb (12) N/A N/A N/A 0.4 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 22, 2021, 7 p.m. 22.4 ppb (22) 10.2 ppb (10) N/A 12.0 ppb (12) N/A N/A N/A 0.4 ppb (5) N/A 4.0 μg/m3 (17) 22.0
 
Oct. 22, 2021, 6 p.m. 23.9 ppb (23) 9.9 ppb (10) N/A 14.0 ppb (14) N/A N/A N/A 0.38 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 22, 2021, 5 p.m. 32.9 ppb (32) 12.5 ppb (12) N/A 20.0 ppb (19) N/A N/A N/A 0.4 ppb (5) N/A 6.0 μg/m3 (25) 32.0
 
Oct. 22, 2021, 4 p.m. 30.7 ppb (29) 12.4 ppb (12) N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 22, 2021, 3 p.m. 37.4 ppb (36) 15.2 ppb (15) N/A 22.0 ppb (21) N/A N/A N/A 0.41 ppb (5) N/A 8.0 μg/m3 (34) 36.0
 
Oct. 22, 2021, 2 p.m. 27.8 ppb (27) 8.0 ppb (8) N/A 20.0 ppb (19) N/A N/A N/A 0.36 ppb (5) N/A 4.0 μg/m3 (17) 27.0
 
Oct. 22, 2021, 1 p.m. 22.6 ppb (22) 6.4 ppb (7) N/A 16.0 ppb (16) N/A N/A N/A 0.35 ppb (4) N/A 2.0 μg/m3 (9) 22.0
 
Oct. 22, 2021, noon 12.3 ppb (12) 4.1 ppb (4) N/A 8.0 ppb (8) N/A N/A N/A 0.3 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 22, 2021, 11 a.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
 
Oct. 22, 2021, 10 a.m. 7.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (4) N/A 1.0 μg/m3 (5) 7.0
 
Oct. 22, 2021, 9 a.m. 5.9 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.27 ppb (4) N/A 0.0 μg/m3 (0) 6.0
 
Oct. 22, 2021, 8 a.m. 4.2 ppb (4) 1.6 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.25 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 22, 2021, 7 a.m. 3.8 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.28 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 22, 2021, 6 a.m. 8.2 ppb (8) 2.5 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.35 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 22, 2021, 5 a.m. 10.5 ppb (10) 3.8 ppb (4) N/A 7.0 ppb (7) N/A N/A N/A 0.37 ppb (5) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 22, 2021, 4 a.m. 8.7 ppb (9) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.33 ppb (4) N/A 1.0 μg/m3 (5) 9.0
 
Oct. 22, 2021, 3 a.m. 6.7 ppb (7) 3.5 ppb (4) N/A 3.0 ppb (3) N/A N/A N/A 0.32 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 22, 2021, 2 a.m. 9.9 ppb (10) 3.2 ppb (4) N/A 7.0 ppb (7) N/A N/A N/A 0.38 ppb (5) N/A 2.0 μg/m3 (9) 10.0
 
Oct. 22, 2021, 1 a.m. 17.1 ppb (17) 6.3 ppb (6) N/A 11.0 ppb (11) N/A N/A N/A 0.43 ppb (5) N/A 1.0 μg/m3 (5) 17.0
 
Oct. 22, 2021, midnight 21.0 ppb (20) 10.3 ppb (10) N/A 11.0 ppb (11) N/A N/A N/A 0.41 ppb (5) N/A 3.0 μg/m3 (13) 20.0
 
Oct. 21, 2021, 11 p.m. 22.1 ppb (21) 11.6 ppb (11) N/A 11.0 ppb (11) N/A N/A N/A 0.41 ppb (5) N/A 2.0 μg/m3 (9) 21.0
 
Oct. 21, 2021, 10 p.m. 20.1 ppb (19) 9.7 ppb (10) N/A 10.0 ppb (10) N/A N/A N/A 0.4 ppb (5) N/A 3.0 μg/m3 (13) 19.0
 
Oct. 21, 2021, 9 p.m. 20.9 ppb (20) 10.2 ppb (10) N/A 11.0 ppb (11) N/A N/A N/A 0.4 ppb (5) N/A 4.0 μg/m3 (17) 20.0
 
Oct. 21, 2021, 8 p.m. 25.2 ppb (24) 11.3 ppb (11) N/A 14.0 ppb (14) N/A N/A N/A 0.45 ppb (6) N/A 2.0 μg/m3 (9) 24.0
 
Oct. 21, 2021, 7 p.m. 21.9 ppb (21) 10.7 ppb (11) N/A 11.0 ppb (11) N/A N/A N/A 0.42 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 21, 2021, 6 p.m. 32.4 ppb (31) 16.8 ppb (16) N/A 16.0 ppb (16) N/A N/A N/A 0.39 ppb (5) N/A 4.0 μg/m3 (17) 31.0
 
Oct. 21, 2021, 5 p.m. 41.0 ppb (39) 21.1 ppb (20) N/A 20.0 ppb (19) N/A N/A N/A 0.39 ppb (5) N/A 3.0 μg/m3 (13) 39.0
 
Oct. 21, 2021, 4 p.m. 47.5 ppb (45) 24.8 ppb (24) N/A 23.0 ppb (22) N/A N/A N/A 0.41 ppb (5) N/A 7.0 μg/m3 (30) 45.0
 
Oct. 21, 2021, 3 p.m. 36.9 ppb (35) 17.8 ppb (17) N/A 19.0 ppb (18) N/A N/A N/A 0.47 ppb (6) N/A 6.0 μg/m3 (25) 35.0
 
Oct. 21, 2021, 2 p.m. 39.4 ppb (38) 17.2 ppb (17) N/A 22.0 ppb (21) N/A N/A N/A 0.44 ppb (5) N/A 4.0 μg/m3 (17) 38.0
 
Oct. 21, 2021, 1 p.m. 24.1 ppb (23) 8.4 ppb (8) N/A 16.0 ppb (16) N/A N/A N/A 0.36 ppb (5) N/A 4.0 μg/m3 (17) 23.0
 
Oct. 21, 2021, noon 25.5 ppb (25) 6.8 ppb (7) N/A 19.0 ppb (18) N/A N/A N/A 0.35 ppb (4) N/A 3.0 μg/m3 (13) 25.0
 
Oct. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
Oct. 21, 2021, 10 a.m. 15.6 ppb (15) 4.4 ppb (5) N/A 11.0 ppb (11) N/A N/A N/A 0.3 ppb (4) N/A 1.0 μg/m3 (5) 15.0
 
Oct. 21, 2021, 9 a.m. 17.7 ppb (17) 2.8 ppb (3) N/A 15.0 ppb (15) N/A N/A N/A 0.29 ppb (4) N/A 2.0 μg/m3 (9) 17.0
 
Oct. 21, 2021, 8 a.m. 9.2 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A N/A 0.3 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 21, 2021, 7 a.m. 8.6 ppb (9) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.33 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Oct. 21, 2021, 6 a.m. 13.5 ppb (13) 0.7 ppb (1) N/A 13.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 21, 2021, 5 a.m. 16.4 ppb (16) 1.3 ppb (2) N/A 15.0 ppb (15) N/A N/A N/A 0.39 ppb (5) N/A 3.0 μg/m3 (13) 16.0
 
Oct. 21, 2021, 4 a.m. 13.0 ppb (13) 0.7 ppb (1) N/A 12.0 ppb (12) N/A N/A N/A 0.38 ppb (5) N/A 2.0 μg/m3 (9) 13.0
 
Oct. 21, 2021, 3 a.m. 12.9 ppb (13) 0.3 ppb (1) N/A 13.0 ppb (13) N/A N/A N/A 0.38 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 21, 2021, 2 a.m. 12.4 ppb (12) 0.2 ppb (1) N/A 12.0 ppb (12) N/A N/A N/A 0.37 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 21, 2021, 1 a.m. 9.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 21, 2021, midnight 24.8 ppb (24) 7.8 ppb (8) N/A 17.0 ppb (17) N/A N/A N/A 0.39 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 20, 2021, 11 p.m. 22.1 ppb (21) 5.2 ppb (5) N/A 17.0 ppb (17) N/A N/A N/A 0.42 ppb (5) N/A 4.0 μg/m3 (17) 21.0
 
Oct. 20, 2021, 10 p.m. 34.8 ppb (33) 9.2 ppb (9) N/A 26.0 ppb (25) N/A N/A N/A 0.47 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 20, 2021, 9 p.m. 54.8 ppb (52) 22.4 ppb (22) N/A 32.0 ppb (31) N/A N/A N/A 0.57 ppb (7) N/A 6.0 μg/m3 (25) 52.0
 
Oct. 20, 2021, 8 p.m. 28.9 ppb (28) 10.4 ppb (10) N/A 19.0 ppb (18) N/A N/A N/A 0.42 ppb (5) N/A 4.0 μg/m3 (17) 28.0
 
Oct. 20, 2021, 7 p.m. 33.4 ppb (32) 11.5 ppb (11) N/A 22.0 ppb (21) N/A N/A N/A 0.38 ppb (5) N/A 6.0 μg/m3 (25) 32.0
 
Oct. 20, 2021, 6 p.m. 30.3 ppb (29) 9.8 ppb (10) N/A 21.0 ppb (20) N/A N/A N/A 0.36 ppb (5) N/A N/A 29.0
 
Oct. 20, 2021, 5 p.m. 11.9 ppb (12) 1.7 ppb (2) N/A 10.0 ppb (10) N/A N/A N/A 0.3 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 20, 2021, 4 p.m. 23.4 ppb (23) 5.9 ppb (6) N/A 18.0 ppb (17) N/A N/A N/A 0.32 ppb (4) N/A 5.0 μg/m3 (21) 23.0
 
Oct. 20, 2021, 3 p.m. 12.0 ppb (12) 0.8 ppb (1) N/A 11.0 ppb (11) N/A N/A N/A 0.31 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 20, 2021, 2 p.m. 7.8 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.29 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 20, 2021, 1 p.m. 5.1 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 20, 2021, noon 7.5 ppb (8) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 20, 2021, 11 a.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
 
Oct. 20, 2021, 10 a.m. 7.8 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 20, 2021, 9 a.m. 4.0 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.23 ppb (3) N/A 1.0 μg/m3 (5) 5.0
 
Oct. 20, 2021, 8 a.m. 4.3 ppb (5) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.22 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 20, 2021, 7 a.m. 5.4 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 20, 2021, 6 a.m. 8.8 ppb (9) 1.1 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.28 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 20, 2021, 5 a.m. 7.2 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.27 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 20, 2021, 4 a.m. 9.9 ppb (10) 2.5 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A 0.3 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 20, 2021, 3 a.m. 10.1 ppb (10) 2.4 ppb (3) N/A 8.0 ppb (8) N/A N/A N/A 0.31 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 20, 2021, 2 a.m. 11.3 ppb (11) 4.1 ppb (4) N/A 7.0 ppb (7) N/A N/A N/A 0.32 ppb (4) N/A 1.0 μg/m3 (5) 11.0
 
Oct. 20, 2021, 1 a.m. 10.7 ppb (11) 4.4 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.32 ppb (4) N/A 2.0 μg/m3 (9) 11.0
 
Oct. 20, 2021, midnight 19.8 ppb (19) 7.4 ppb (7) N/A 12.0 ppb (12) N/A N/A N/A 0.35 ppb (4) N/A 4.0 μg/m3 (17) 19.0
 
Oct. 19, 2021, 11 p.m. 10.3 ppb (10) 1.4 ppb (2) N/A 9.0 ppb (9) N/A N/A N/A 0.31 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 19, 2021, 10 p.m. 25.5 ppb (25) 8.6 ppb (9) N/A 17.0 ppb (17) N/A N/A N/A 0.41 ppb (5) N/A 4.0 μg/m3 (17) 25.0
 
Oct. 19, 2021, 9 p.m. 23.0 ppb (22) 8.6 ppb (9) N/A 14.0 ppb (14) N/A N/A N/A 0.39 ppb (5) N/A 5.0 μg/m3 (21) 22.0
 
Oct. 19, 2021, 8 p.m. 27.5 ppb (26) 10.8 ppb (11) N/A 17.0 ppb (17) N/A N/A N/A 0.36 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 19, 2021, 7 p.m. 30.7 ppb (29) 11.7 ppb (12) N/A 19.0 ppb (18) N/A N/A N/A 0.38 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 19, 2021, 6 p.m. 31.0 ppb (30) 13.0 ppb (13) N/A 18.0 ppb (17) N/A N/A N/A 0.39 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 19, 2021, 5 p.m. 40.8 ppb (39) 18.8 ppb (18) N/A 22.0 ppb (21) N/A N/A N/A 0.45 ppb (6) N/A 9.0 μg/m3 (38) 39.0
 
Oct. 19, 2021, 4 p.m. 54.6 ppb (52) 29.0 ppb (28) N/A 26.0 ppb (25) N/A N/A N/A 0.46 ppb (6) N/A 11.0 μg/m3 (46) 52.0
 
Oct. 19, 2021, 3 p.m. 72.7 ppb (71) 41.9 ppb (40) N/A 31.0 ppb (30) N/A N/A N/A 0.67 ppb (8) N/A 11.0 μg/m3 (46) 71.0
 
Oct. 19, 2021, 2 p.m. 28.7 ppb (28) 7.0 ppb (7) N/A 22.0 ppb (21) N/A N/A N/A 0.51 ppb (6) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 19, 2021, 1 p.m. 20.5 ppb (20) 2.6 ppb (3) N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (5) N/A 4.0 μg/m3 (17) 20.0
 
Oct. 19, 2021, noon 37.2 ppb (36) 11.2 ppb (11) N/A 26.0 ppb (25) N/A N/A N/A 0.43 ppb (5) N/A 7.0 μg/m3 (30) 36.0
 
Oct. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 19, 2021, 10 a.m. 12.7 ppb (12) 0.1 ppb (1) N/A 13.0 ppb (13) N/A N/A N/A 0.34 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 19, 2021, 9 a.m. 10.0 ppb (10) -0.2 ppb (0) N/A 10.0 ppb (10) N/A N/A N/A 0.32 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 19, 2021, 8 a.m. 9.7 ppb (10) -0.2 ppb (0) N/A 10.0 ppb (10) N/A N/A N/A 0.33 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 19, 2021, 7 a.m. 12.4 ppb (12) -0.1 ppb (0) N/A 13.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 19, 2021, 6 a.m. 14.5 ppb (14) 0.7 ppb (1) N/A 14.0 ppb (14) N/A N/A N/A 0.39 ppb (5) N/A 3.0 μg/m3 (13) 14.0
 
Oct. 19, 2021, 5 a.m. 15.7 ppb (15) 2.8 ppb (3) N/A 13.0 ppb (13) N/A N/A N/A 0.37 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Oct. 19, 2021, 4 a.m. 13.6 ppb (13) 0.9 ppb (1) N/A 13.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Oct. 19, 2021, 3 a.m. 15.3 ppb (15) 1.8 ppb (2) N/A 14.0 ppb (14) N/A N/A N/A 0.36 ppb (5) N/A 3.0 μg/m3 (13) 15.0
 
Oct. 19, 2021, 2 a.m. 18.1 ppb (18) 5.6 ppb (6) N/A 13.0 ppb (13) N/A N/A N/A 0.39 ppb (5) N/A 4.0 μg/m3 (17) 18.0
 
Oct. 19, 2021, 1 a.m. 18.9 ppb (18) 5.9 ppb (6) N/A 13.0 ppb (13) N/A N/A N/A 0.38 ppb (5) N/A 2.0 μg/m3 (9) 18.0
 
Oct. 19, 2021, midnight 20.6 ppb (20) 8.7 ppb (9) N/A 12.0 ppb (12) N/A N/A N/A 0.38 ppb (5) N/A 3.0 μg/m3 (13) 20.0
 
Oct. 18, 2021, 11 p.m. 21.8 ppb (21) 10.8 ppb (11) N/A 11.0 ppb (11) N/A N/A N/A 0.35 ppb (4) N/A 4.0 μg/m3 (17) 21.0
 
Oct. 18, 2021, 10 p.m. 20.3 ppb (20) 9.8 ppb (10) N/A 11.0 ppb (11) N/A N/A N/A 0.35 ppb (4) N/A 4.0 μg/m3 (17) 20.0
 
Oct. 18, 2021, 9 p.m. 23.1 ppb (22) 10.5 ppb (10) N/A 13.0 ppb (13) N/A N/A N/A 0.36 ppb (5) N/A 3.0 μg/m3 (13) 22.0
 
Oct. 18, 2021, 8 p.m. 25.9 ppb (25) 11.5 ppb (11) N/A 14.0 ppb (14) N/A N/A N/A 0.35 ppb (4) N/A 5.0 μg/m3 (21) 25.0
 
Oct. 18, 2021, 7 p.m. 24.9 ppb (24) 10.9 ppb (11) N/A 14.0 ppb (14) N/A N/A N/A 0.34 ppb (4) N/A 5.0 μg/m3 (21) 24.0
 
Oct. 18, 2021, 6 p.m. 28.5 ppb (27) 12.0 ppb (12) N/A 17.0 ppb (17) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 27.0
 
Oct. 18, 2021, 5 p.m. 30.3 ppb (29) 13.4 ppb (13) N/A 17.0 ppb (17) N/A N/A N/A 0.33 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Oct. 18, 2021, 4 p.m. 36.4 ppb (35) 16.2 ppb (16) N/A 20.0 ppb (19) N/A N/A N/A 0.34 ppb (4) N/A 7.0 μg/m3 (30) 35.0
 
Oct. 18, 2021, 3 p.m. 44.6 ppb (43) 18.1 ppb (18) N/A 27.0 ppb (26) N/A N/A N/A 0.39 ppb (5) N/A 6.0 μg/m3 (25) 43.0
 
Oct. 18, 2021, 2 p.m. 41.4 ppb (40) 13.3 ppb (13) N/A 28.0 ppb (27) N/A N/A N/A 0.4 ppb (5) N/A 4.0 μg/m3 (17) 40.0
 
Oct. 18, 2021, 1 p.m. 30.2 ppb (29) 9.8 ppb (10) N/A 21.0 ppb (20) N/A N/A N/A 0.35 ppb (4) N/A 3.0 μg/m3 (13) 29.0
 
Oct. 18, 2021, noon 25.5 ppb (25) 7.3 ppb (7) N/A 18.0 ppb (17) N/A N/A N/A 0.32 ppb (4) N/A 3.0 μg/m3 (13) 25.0
 
Oct. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 18, 2021, 10 a.m. 13.2 ppb (13) 2.3 ppb (3) N/A 11.0 ppb (11) N/A N/A N/A 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 18, 2021, 9 a.m. 9.4 ppb (9) 1.5 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.22 ppb (3) N/A 2.0 μg/m3 (9) 9.0