ID: 2408

AQSQID: 060010012

Site Name: Laney College

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

Updated: May 11, 2021, 4:48 p.m.

Location: Oakland (Peralta-Laney), CA

Reporting: True, Located: True

Current AQI: 53.0

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
May 11, 2021, 3 p.m. 27.0 ppb (26) 11.0 ppb (11) N/A 16.0 ppb (16) N/A N/A N/A 0.34 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
May 11, 2021, 2 p.m. 40.0 ppb (38) 18.6 ppb (18) N/A 21.0 ppb (20) N/A N/A N/A 0.3 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
May 11, 2021, 1 p.m. 9.8 ppb (10) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A N/A 0.27 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
May 11, 2021, noon 8.8 ppb (9) -0.2 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.26 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
May 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
May 11, 2021, 10 a.m. 7.3 ppb (7) -0.3 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.26 ppb (4) N/A 18.0 μg/m3 (64) 64.0
 
May 11, 2021, 9 a.m. 7.1 ppb (7) -0.3 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A 0.27 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
May 11, 2021, 8 a.m. 12.9 ppb (13) 0.6 ppb (1) N/A 12.0 ppb (12) N/A N/A N/A 0.31 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
May 11, 2021, 7 a.m. 15.7 ppb (15) 1.8 ppb (2) N/A 14.0 ppb (14) N/A N/A N/A 0.33 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
May 11, 2021, 6 a.m. 17.7 ppb (17) 3.1 ppb (3) N/A 15.0 ppb (15) N/A N/A N/A 0.41 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
May 11, 2021, 5 a.m. 9.6 ppb (10) 0.2 ppb (1) N/A 9.0 ppb (9) N/A N/A N/A 0.33 ppb (4) N/A 18.0 μg/m3 (64) 64.0
 
May 11, 2021, 4 a.m. 7.6 ppb (8) -0.2 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.31 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
May 11, 2021, 3 a.m. 6.4 ppb (7) -0.3 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A 0.3 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
May 11, 2021, 2 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
May 11, 2021, 1 a.m. 5.4 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.27 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
May 11, 2021, midnight 11.5 ppb (11) 3.1 ppb (3) N/A 8.0 ppb (8) N/A N/A N/A 0.31 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
May 10, 2021, 11 p.m. 30.8 ppb (30) 12.2 ppb (12) N/A 19.0 ppb (18) N/A N/A N/A 0.38 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
May 10, 2021, 10 p.m. 31.1 ppb (30) 12.8 ppb (13) N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
May 10, 2021, 9 p.m. 33.4 ppb (32) 13.0 ppb (13) N/A 21.0 ppb (20) N/A N/A N/A 0.4 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
May 10, 2021, 8 p.m. 16.9 ppb (16) 5.1 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.32 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
May 10, 2021, 7 p.m. 24.0 ppb (23) 8.2 ppb (8) N/A 16.0 ppb (16) N/A N/A N/A 0.37 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
May 10, 2021, 6 p.m. 47.1 ppb (45) 22.6 ppb (22) N/A 25.0 ppb (24) N/A N/A N/A 0.43 ppb (5) N/A 18.0 μg/m3 (64) 64.0
 
May 10, 2021, 5 p.m. 32.9 ppb (32) 15.7 ppb (15) N/A 17.0 ppb (17) N/A N/A N/A 0.41 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
May 10, 2021, 4 p.m. 29.0 ppb (28) 13.5 ppb (13) N/A 15.0 ppb (15) N/A N/A N/A 0.4 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
May 10, 2021, 3 p.m. 31.9 ppb (31) 14.8 ppb (14) N/A 17.0 ppb (17) N/A N/A N/A 0.42 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
May 10, 2021, 2 p.m. 28.8 ppb (28) 11.0 ppb (11) N/A 18.0 ppb (17) N/A N/A N/A 0.42 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
May 10, 2021, 1 p.m. 13.8 ppb (14) 1.7 ppb (2) N/A 12.0 ppb (12) N/A N/A N/A 0.36 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
May 10, 2021, noon 6.1 ppb (6) -0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
May 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
May 10, 2021, 10 a.m. 11.8 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A N/A N/A 0.3 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
May 10, 2021, 9 a.m. 11.5 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (10) N/A N/A N/A 0.26 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
May 10, 2021, 8 a.m. 8.5 ppb (9) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A N/A 0.36 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
May 10, 2021, 7 a.m. 9.5 ppb (9) 1.6 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.3 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
May 10, 2021, 6 a.m. 15.2 ppb (15) 2.5 ppb (3) N/A 13.0 ppb (13) N/A N/A N/A 0.33 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
May 10, 2021, 5 a.m. 14.0 ppb (14) 2.4 ppb (3) N/A 12.0 ppb (12) N/A N/A N/A 0.37 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
May 10, 2021, 4 a.m. 10.5 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (8) N/A N/A N/A 0.39 ppb (5) N/A 18.0 μg/m3 (64) 64.0
 
May 10, 2021, 3 a.m. 13.3 ppb (13) 3.1 ppb (3) N/A 10.0 ppb (10) N/A N/A N/A 0.42 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
May 10, 2021, 2 a.m. 13.0 ppb (13) 3.8 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A 0.42 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
May 10, 2021, 1 a.m. 12.7 ppb (12) 4.3 ppb (5) N/A 8.0 ppb (8) N/A N/A N/A 0.41 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
May 10, 2021, midnight 11.3 ppb (11) 4.6 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.41 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
May 9, 2021, 11 p.m. 9.9 ppb (10) 3.9 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.41 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
May 9, 2021, 10 p.m. 11.8 ppb (12) 4.7 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.42 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
May 9, 2021, 9 p.m. 10.3 ppb (10) 4.5 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.38 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
May 9, 2021, 8 p.m. 9.6 ppb (10) 3.6 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.36 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
May 9, 2021, 7 p.m. 13.6 ppb (13) 5.2 ppb (5) N/A 8.0 ppb (8) N/A N/A N/A 0.45 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
May 9, 2021, 6 p.m. 19.0 ppb (18) 7.5 ppb (8) N/A 12.0 ppb (12) N/A N/A N/A 0.46 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
May 9, 2021, 5 p.m. 23.3 ppb (22) 10.2 ppb (10) N/A 13.0 ppb (13) N/A N/A N/A 0.51 ppb (6) N/A 19.0 μg/m3 (66) 66.0
 
May 9, 2021, 4 p.m. 20.2 ppb (20) 8.6 ppb (9) N/A 12.0 ppb (12) N/A N/A N/A 0.41 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
May 9, 2021, 3 p.m. 21.4 ppb (21) 8.6 ppb (9) N/A 13.0 ppb (13) N/A N/A N/A 0.36 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
May 9, 2021, 2 p.m. 23.7 ppb (23) 7.7 ppb (8) N/A 16.0 ppb (16) N/A N/A N/A 0.38 ppb (5) N/A 18.0 μg/m3 (64) 64.0
 
May 9, 2021, 1 p.m. 19.5 ppb (19) 4.6 ppb (5) N/A 15.0 ppb (15) N/A N/A N/A 0.39 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
May 9, 2021, noon 17.5 ppb (17) 1.3 ppb (2) N/A 16.0 ppb (16) N/A N/A N/A 0.38 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
May 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
May 9, 2021, 10 a.m. 14.6 ppb (14) 1.6 ppb (2) N/A 13.0 ppb (13) N/A N/A N/A 0.38 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
May 9, 2021, 9 a.m. 14.6 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (14) N/A N/A N/A 0.43 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
May 9, 2021, 8 a.m. 15.6 ppb (15) 1.4 ppb (2) N/A 14.0 ppb (14) N/A N/A N/A 0.43 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
May 9, 2021, 7 a.m. 18.4 ppb (18) 2.5 ppb (3) N/A 16.0 ppb (16) N/A N/A N/A 0.46 ppb (6) N/A 19.0 μg/m3 (66) 66.0
 
May 9, 2021, 6 a.m. 14.0 ppb (14) 1.0 ppb (1) N/A 13.0 ppb (13) N/A N/A N/A 0.41 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
May 9, 2021, 5 a.m. 11.7 ppb (12) -0.2 ppb (0) N/A 12.0 ppb (12) N/A N/A N/A 0.33 ppb (4) N/A 18.0 μg/m3 (64) 64.0
 
May 9, 2021, 4 a.m. 14.9 ppb (15) 1.6 ppb (2) N/A 13.0 ppb (13) N/A N/A N/A 0.44 ppb (5) N/A 22.0 μg/m3 (72) 72.0
 
May 9, 2021, 3 a.m. 14.9 ppb (15) 1.3 ppb (2) N/A 14.0 ppb (14) N/A N/A N/A 0.41 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
May 9, 2021, 2 a.m. 8.3 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.3 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
May 9, 2021, 1 a.m. 10.8 ppb (11) 2.1 ppb (2) N/A 9.0 ppb (9) N/A N/A N/A 0.37 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
May 9, 2021, midnight 17.7 ppb (17) 6.1 ppb (6) N/A 12.0 ppb (12) N/A N/A N/A 0.45 ppb (6) N/A 17.0 μg/m3 (62) 62.0
 
May 8, 2021, 11 p.m. 14.6 ppb (14) 5.6 ppb (6) N/A 9.0 ppb (9) N/A N/A N/A 0.4 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
May 8, 2021, 10 p.m. 14.0 ppb (14) 5.1 ppb (5) N/A 9.0 ppb (9) N/A N/A N/A 0.41 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
May 8, 2021, 9 p.m. 14.5 ppb (14) 4.6 ppb (5) N/A 10.0 ppb (10) N/A N/A N/A 0.38 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
May 8, 2021, 8 p.m. 14.0 ppb (14) 3.5 ppb (4) N/A 11.0 ppb (11) N/A N/A N/A 0.35 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
May 8, 2021, 7 p.m. 11.8 ppb (12) 2.9 ppb (3) N/A 9.0 ppb (9) N/A N/A N/A 0.31 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
May 8, 2021, 6 p.m. 14.0 ppb (14) 3.9 ppb (4) N/A 10.0 ppb (10) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
May 8, 2021, 5 p.m. 26.9 ppb (26) 12.1 ppb (12) N/A 15.0 ppb (15) N/A N/A N/A 0.47 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
May 8, 2021, 4 p.m. 26.1 ppb (25) 11.3 ppb (11) N/A 15.0 ppb (15) N/A N/A N/A 0.44 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
May 8, 2021, 3 p.m. 37.3 ppb (36) 18.1 ppb (18) N/A 19.0 ppb (18) N/A N/A N/A 0.54 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
May 8, 2021, 2 p.m. 38.5 ppb (37) 17.2 ppb (17) N/A 21.0 ppb (20) N/A N/A N/A 0.58 ppb (7) N/A 19.0 μg/m3 (66) 66.0
 
May 8, 2021, 1 p.m. 22.4 ppb (22) 4.0 ppb (4) N/A 18.0 ppb (17) N/A N/A N/A 0.47 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
May 8, 2021, noon 15.2 ppb (15) 0.7 ppb (1) N/A 15.0 ppb (15) N/A N/A N/A 0.42 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
May 8, 2021, 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 (53) 53.0
 
May 8, 2021, 10 a.m. 10.9 ppb (11) -0.3 ppb (0) N/A 11.0 ppb (11) N/A N/A N/A 0.41 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
May 8, 2021, 9 a.m. 10.3 ppb (10) -0.3 ppb (0) N/A 11.0 ppb (11) N/A N/A N/A 0.37 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
May 8, 2021, 8 a.m. 9.4 ppb (9) -0.3 ppb (0) N/A 10.0 ppb (10) N/A N/A N/A 0.34 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
May 8, 2021, 7 a.m. 12.7 ppb (12) -0.3 ppb (0) N/A 13.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
May 8, 2021, 6 a.m. 11.4 ppb (11) -0.2 ppb (0) N/A 12.0 ppb (12) N/A N/A N/A 0.32 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
May 8, 2021, 5 a.m. 11.0 ppb (11) 0.1 ppb (1) N/A 11.0 ppb (11) N/A N/A N/A 0.29 ppb (4) N/A 18.0 μg/m3 (64) 64.0
 
May 8, 2021, 4 a.m. 18.7 ppb (18) 3.6 ppb (4) N/A 15.0 ppb (15) N/A N/A N/A 0.44 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
May 8, 2021, 3 a.m. 22.8 ppb (22) 5.0 ppb (5) N/A 18.0 ppb (17) N/A N/A N/A 0.46 ppb (6) N/A 17.0 μg/m3 (62) 62.0
 
May 8, 2021, 2 a.m. 17.3 ppb (17) 5.1 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.44 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
May 8, 2021, 1 a.m. 18.1 ppb (18) 6.6 ppb (7) N/A 12.0 ppb (12) N/A N/A N/A 0.4 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
May 8, 2021, midnight 16.5 ppb (16) 7.2 ppb (7) N/A 9.0 ppb (9) N/A N/A N/A 0.34 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
May 7, 2021, 11 p.m. 21.6 ppb (21) 9.5 ppb (9) N/A 12.0 ppb (12) N/A N/A N/A 0.38 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
May 7, 2021, 10 p.m. 18.4 ppb (18) 7.9 ppb (8) N/A 11.0 ppb (11) N/A N/A N/A 0.32 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
May 7, 2021, 9 p.m. 18.9 ppb (18) 8.4 ppb (8) N/A 11.0 ppb (11) N/A N/A N/A 0.35 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
May 7, 2021, 8 p.m. 19.1 ppb (19) 8.2 ppb (8) N/A 11.0 ppb (11) N/A N/A N/A 0.32 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
May 7, 2021, 7 p.m. 21.0 ppb (20) 9.0 ppb (9) N/A 12.0 ppb (12) N/A N/A N/A 0.36 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
May 7, 2021, 6 p.m. 23.1 ppb (22) 9.2 ppb (9) N/A 14.0 ppb (14) N/A N/A N/A 0.34 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
May 7, 2021, 5 p.m. 31.9 ppb (31) 14.0 ppb (14) N/A 18.0 ppb (17) N/A N/A N/A 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
May 7, 2021, 4 p.m. 28.5 ppb (27) 11.6 ppb (11) N/A 17.0 ppb (17) N/A N/A N/A 0.36 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
May 7, 2021, 3 p.m. 20.6 ppb (20) 6.7 ppb (7) N/A 14.0 ppb (14) N/A N/A N/A 0.3 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
May 7, 2021, 2 p.m. 10.6 ppb (10) 1.3 ppb (2) N/A 9.0 ppb (9) N/A N/A N/A 0.28 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
May 7, 2021, 1 p.m. 10.3 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A N/A 0.29 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
May 7, 2021, noon 7.4 ppb (7) -0.3 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.24 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
May 7, 2021, 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 (34) 34.0
 
May 7, 2021, 10 a.m. 9.1 ppb (9) 1.3 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.23 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 7, 2021, 9 a.m. 9.2 ppb (9) 1.1 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.24 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
May 7, 2021, 8 a.m. 6.6 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 7, 2021, 7 a.m. 7.6 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.29 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
May 7, 2021, 6 a.m. 10.3 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (9) N/A N/A N/A 0.3 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
May 7, 2021, 5 a.m. 10.6 ppb (10) 1.4 ppb (2) N/A 9.0 ppb (9) N/A N/A N/A 0.28 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
May 7, 2021, 4 a.m. 14.2 ppb (14) 3.5 ppb (4) N/A 11.0 ppb (11) N/A N/A N/A 0.36 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
May 7, 2021, 3 a.m. 13.1 ppb (13) 3.7 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A 0.38 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
May 7, 2021, 2 a.m. 12.2 ppb (12) 5.2 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.38 ppb (5) N/A 3.0 μg/m3 (13) 13.0
 
May 7, 2021, 1 a.m. 13.3 ppb (13) 5.7 ppb (6) N/A 8.0 ppb (8) N/A N/A N/A 0.35 ppb (4) N/A 2.0 μg/m3 (9) 13.0
 
May 7, 2021, midnight 17.2 ppb (17) 8.5 ppb (9) N/A 9.0 ppb (9) N/A N/A N/A 0.35 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
May 6, 2021, 11 p.m. 15.5 ppb (15) 7.8 ppb (8) N/A 8.0 ppb (8) N/A N/A N/A 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
May 6, 2021, 10 p.m. 15.2 ppb (15) 8.4 ppb (8) N/A 7.0 ppb (7) N/A N/A N/A 0.34 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
May 6, 2021, 9 p.m. 15.9 ppb (15) 8.2 ppb (8) N/A 8.0 ppb (8) N/A N/A N/A 0.33 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
May 6, 2021, 8 p.m. 22.3 ppb (22) 10.3 ppb (10) N/A 12.0 ppb (12) N/A N/A N/A 0.35 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
May 6, 2021, 7 p.m. 25.5 ppb (25) 13.4 ppb (13) N/A 12.0 ppb (12) N/A N/A N/A 0.32 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
May 6, 2021, 6 p.m. 24.8 ppb (24) 12.3 ppb (12) N/A 13.0 ppb (13) N/A N/A N/A 0.31 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
May 6, 2021, 5 p.m. 20.7 ppb (20) 9.9 ppb (10) N/A 11.0 ppb (11) N/A N/A N/A 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
May 6, 2021, 4 p.m. 23.8 ppb (23) 10.8 ppb (11) N/A 13.0 ppb (13) N/A N/A N/A 0.34 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
May 6, 2021, 3 p.m. 28.7 ppb (28) 13.3 ppb (13) N/A 15.0 ppb (15) N/A N/A N/A 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
May 6, 2021, 2 p.m. 24.6 ppb (24) 9.7 ppb (10) N/A 15.0 ppb (15) N/A N/A N/A 0.37 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
May 6, 2021, 1 p.m. 20.8 ppb (20) 7.3 ppb (7) N/A 13.0 ppb (13) N/A N/A N/A 0.42 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
May 6, 2021, noon 16.8 ppb (16) 5.7 ppb (6) N/A 11.0 ppb (11) N/A N/A N/A 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
May 6, 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
 
May 6, 2021, 10 a.m. 8.1 ppb (8) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 6, 2021, 9 a.m. 7.5 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.22 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
May 6, 2021, 8 a.m. 4.8 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
May 6, 2021, 7 a.m. 7.2 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
May 6, 2021, 6 a.m. 7.9 ppb (8) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
May 6, 2021, 5 a.m. 9.1 ppb (9) 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.29 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
May 6, 2021, 4 a.m. 7.8 ppb (8) 2.7 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
May 6, 2021, 3 a.m. 16.7 ppb (16) 4.4 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.32 ppb (4) N/A 1.0 μg/m3 (5) 16.0
 
May 6, 2021, 2 a.m. 14.3 ppb (14) 4.6 ppb (5) N/A 10.0 ppb (10) N/A N/A N/A 0.35 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
May 6, 2021, 1 a.m. 16.4 ppb (16) 6.9 ppb (7) N/A 10.0 ppb (10) N/A N/A N/A 0.36 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
May 6, 2021, midnight 17.4 ppb (17) 8.9 ppb (9) N/A 9.0 ppb (9) N/A N/A N/A 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
May 5, 2021, 11 p.m. 17.0 ppb (17) 6.9 ppb (7) N/A 10.0 ppb (10) N/A N/A N/A 0.34 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
May 5, 2021, 10 p.m. 7.9 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
May 5, 2021, 9 p.m. 11.3 ppb (11) 2.8 ppb (3) N/A 9.0 ppb (9) N/A N/A N/A 0.32 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
May 5, 2021, 8 p.m. 16.7 ppb (16) 5.5 ppb (6) N/A 11.0 ppb (11) N/A N/A N/A 0.35 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
May 5, 2021, 7 p.m. 25.6 ppb (25) 10.0 ppb (10) N/A 16.0 ppb (16) N/A N/A N/A 0.36 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
May 5, 2021, 6 p.m. 54.1 ppb (52) 28.9 ppb (28) N/A 25.0 ppb (24) N/A N/A N/A 0.46 ppb (6) N/A 17.0 μg/m3 (62) 62.0
 
May 5, 2021, 5 p.m. 64.5 ppb (63) 37.6 ppb (36) N/A 27.0 ppb (26) N/A N/A N/A 0.49 ppb (6) N/A 17.0 μg/m3 (62) 63.0
 
May 5, 2021, 4 p.m. 72.8 ppb (72) 43.8 ppb (42) N/A 29.0 ppb (28) N/A N/A N/A 0.54 ppb (6) N/A 20.0 μg/m3 (68) 72.0
 
May 5, 2021, 3 p.m. 59.8 ppb (58) 33.8 ppb (32) N/A 26.0 ppb (25) N/A N/A N/A 0.55 ppb (7) N/A 18.0 μg/m3 (64) 64.0
 
May 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (68) 68.0
 
May 5, 2021, 1 p.m. 41.9 ppb (40) 18.1 ppb (18) N/A 24.0 ppb (23) N/A N/A N/A 0.45 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
May 5, 2021, noon 24.1 ppb (23) 8.8 ppb (9) N/A 15.0 ppb (15) N/A N/A N/A 0.35 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
May 5, 2021, 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
 
May 5, 2021, 10 a.m. 14.1 ppb (14) 2.9 ppb (3) N/A 11.0 ppb (11) N/A N/A N/A 0.24 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
May 5, 2021, 9 a.m. 11.7 ppb (12) 1.6 ppb (2) N/A 10.0 ppb (10) N/A N/A N/A 0.25 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
May 5, 2021, 8 a.m. 10.7 ppb (11) 1.6 ppb (2) N/A 9.0 ppb (9) N/A N/A N/A 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 5, 2021, 7 a.m. 10.3 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (9) N/A N/A N/A 0.27 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
May 5, 2021, 6 a.m. 11.1 ppb (11) 2.1 ppb (2) N/A 9.0 ppb (9) N/A N/A N/A 0.3 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
May 5, 2021, 5 a.m. 12.3 ppb (12) 3.0 ppb (3) N/A 9.0 ppb (9) N/A N/A N/A 0.38 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
May 5, 2021, 4 a.m. 13.3 ppb (13) 3.4 ppb (4) N/A 10.0 ppb (10) N/A N/A N/A 0.35 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
May 5, 2021, 3 a.m. 12.6 ppb (12) 3.6 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A 0.37 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
May 5, 2021, 2 a.m. 12.8 ppb (13) 4.4 ppb (5) N/A 8.0 ppb (8) N/A N/A N/A 0.41 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
May 5, 2021, 1 a.m. 17.6 ppb (17) 7.2 ppb (7) N/A 10.0 ppb (10) N/A N/A N/A 0.38 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
May 5, 2021, midnight 22.9 ppb (22) 10.2 ppb (10) N/A 13.0 ppb (13) N/A N/A N/A 0.38 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
May 4, 2021, 11 p.m. 23.0 ppb (22) 10.7 ppb (11) N/A 12.0 ppb (12) N/A N/A N/A 0.39 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
May 4, 2021, 10 p.m. 33.3 ppb (32) 15.4 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
May 4, 2021, 9 p.m. 19.2 ppb (19) 7.6 ppb (8) N/A 12.0 ppb (12) N/A N/A N/A 0.34 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
May 4, 2021, 8 p.m. 30.6 ppb (29) 13.7 ppb (13) N/A 17.0 ppb (17) N/A N/A N/A 0.38 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
May 4, 2021, 7 p.m. 38.3 ppb (37) 18.3 ppb (18) N/A 20.0 ppb (19) N/A N/A N/A 0.44 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
May 4, 2021, 6 p.m. 37.3 ppb (36) 17.0 ppb (17) N/A 20.0 ppb (19) N/A N/A N/A 0.41 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
May 4, 2021, 5 p.m. 47.5 ppb (45) 24.0 ppb (23) N/A 24.0 ppb (23) N/A N/A N/A 0.43 ppb (5) N/A 18.0 μg/m3 (64) 64.0
 
May 4, 2021, 4 p.m. 61.5 ppb (59) 34.9 ppb (33) N/A 27.0 ppb (26) N/A N/A N/A 0.48 ppb (6) N/A 23.0 μg/m3 (74) 74.0