ID: 2408

AQSQID: 060010012

Site Name: Laney College

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

Updated: Feb. 25, 2021, 6:32 p.m.

Location: Oakland (Peralta-Laney), CA

Reporting: True, Located: True

Current AQI: 58.0

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
Feb. 25, 2021, 5 p.m. 60.4 ppb (58) 29.3 ppb (28) N/A 31.0 ppb (30) N/A N/A N/A 0.54 ppb (6) N/A 2.0 μg/m3 (9) 58.0
 
Feb. 25, 2021, 4 p.m. 59.3 ppb (57) 27.0 ppb (26) N/A 32.0 ppb (31) N/A N/A N/A 0.71 ppb (8) N/A 1.0 μg/m3 (5) 57.0
 
Feb. 25, 2021, 3 p.m. 31.6 ppb (30) 6.5 ppb (7) N/A 25.0 ppb (24) N/A N/A N/A 0.58 ppb (7) N/A 0.0 μg/m3 (0) 30.0
 
Feb. 25, 2021, 2 p.m. 22.6 ppb (22) 1.9 ppb (2) N/A 21.0 ppb (20) N/A N/A N/A 0.44 ppb (5) N/A 0.0 μg/m3 (0) 22.0
 
Feb. 25, 2021, 1 p.m. 8.8 ppb (9) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.31 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Feb. 25, 2021, noon 2.8 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.26 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
Feb. 25, 2021, 10 a.m. 7.8 ppb (8) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.29 ppb (4) N/A 1.0 μg/m3 (5) 8.0
 
Feb. 25, 2021, 9 a.m. 6.9 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.29 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Feb. 25, 2021, 8 a.m. 5.0 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.27 ppb (4) N/A 0.0 μg/m3 (0) 5.0
 
Feb. 25, 2021, 7 a.m. 2.0 ppb (2) 0.3 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
 
Feb. 25, 2021, 6 a.m. 3.4 ppb (4) 0.4 ppb (1) 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
 
Feb. 25, 2021, 5 a.m. 2.5 ppb (3) 0.4 ppb (1) 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
 
Feb. 25, 2021, 4 a.m. 2.0 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.29 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Feb. 25, 2021, 3 a.m. 3.0 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.29 ppb (4) N/A 1.0 μg/m3 (5) 5.0
 
Feb. 25, 2021, 2 a.m. 3.3 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.29 ppb (4) N/A -1.0 μg/m3 (0) 4.0
 
Feb. 25, 2021, 1 a.m. 2.9 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.29 ppb (4) N/A -2.0 μg/m3 (0) 4.0
 
Feb. 25, 2021, midnight 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.28 ppb (4) N/A -2.0 μg/m3 (0) 4.0
 
Feb. 24, 2021, 11 p.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.27 ppb (4) N/A -1.0 μg/m3 (0) 4.0
 
Feb. 24, 2021, 10 p.m. 2.2 ppb (3) 0.6 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
 
Feb. 24, 2021, 9 p.m. 8.7 ppb (9) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.32 ppb (4) N/A -2.0 μg/m3 (0) 9.0
 
Feb. 24, 2021, 8 p.m. 5.9 ppb (6) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Feb. 24, 2021, 7 p.m. 33.3 ppb (32) 15.7 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.44 ppb (5) N/A 6.0 μg/m3 (25) 32.0
 
Feb. 24, 2021, 6 p.m. 40.6 ppb (39) 20.5 ppb (20) N/A 20.0 ppb (19) N/A N/A N/A 0.48 ppb (6) N/A 4.0 μg/m3 (17) 39.0
 
Feb. 24, 2021, 5 p.m. 25.7 ppb (25) 11.3 ppb (11) N/A 15.0 ppb (15) N/A N/A N/A 0.4 ppb (5) N/A 4.0 μg/m3 (17) 25.0
 
Feb. 24, 2021, 4 p.m. 29.6 ppb (28) 12.8 ppb (13) N/A 17.0 ppb (17) N/A N/A N/A 0.42 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Feb. 24, 2021, 3 p.m. 24.0 ppb (23) 7.9 ppb (8) N/A 16.0 ppb (16) N/A N/A N/A 0.43 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 24, 2021, 2 p.m. 24.9 ppb (24) 4.5 ppb (5) N/A 20.0 ppb (19) N/A N/A N/A 0.51 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 24, 2021, 1 p.m. 35.1 ppb (34) 11.3 ppb (11) N/A 24.0 ppb (23) N/A N/A N/A 0.53 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 24, 2021, noon 9.2 ppb (9) 0.8 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 24, 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
 
Feb. 24, 2021, 10 a.m. 5.0 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 24, 2021, 9 a.m. 17.7 ppb (17) 2.7 ppb (3) N/A 15.0 ppb (15) N/A N/A N/A 0.39 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Feb. 24, 2021, 8 a.m. 39.4 ppb (38) 9.6 ppb (10) N/A 30.0 ppb (29) N/A N/A N/A 0.59 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Feb. 24, 2021, 7 a.m. 37.5 ppb (36) 7.7 ppb (8) N/A 30.0 ppb (29) N/A N/A N/A 0.55 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Feb. 24, 2021, 6 a.m. 24.7 ppb (24) 3.6 ppb (4) N/A 21.0 ppb (20) N/A N/A N/A 0.51 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Feb. 24, 2021, 5 a.m. 17.5 ppb (17) 0.7 ppb (1) N/A 17.0 ppb (17) N/A N/A N/A 0.43 ppb (5) N/A 18.0 μg/m3 (64) 64.0
 
Feb. 24, 2021, 4 a.m. 28.8 ppb (28) 3.8 ppb (4) N/A 25.0 ppb (24) N/A N/A N/A 0.47 ppb (6) N/A 18.0 μg/m3 (64) 64.0
 
Feb. 24, 2021, 3 a.m. 20.0 ppb (19) 0.6 ppb (1) N/A 19.0 ppb (18) N/A N/A N/A 0.41 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Feb. 24, 2021, 2 a.m. 41.2 ppb (39) 13.6 ppb (13) N/A 28.0 ppb (27) N/A N/A N/A 0.48 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 24, 2021, 1 a.m. 55.4 ppb (53) 21.1 ppb (20) N/A N/A N/A N/A N/A 0.58 ppb (7) N/A 4.0 μg/m3 (17) 53.0
 
Feb. 24, 2021, midnight 4.4 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) N/A 0.0 μg/m3 (0) 5.0
 
Feb. 23, 2021, 11 p.m. 3.3 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.28 ppb (4) N/A 0.0 μg/m3 (0) 4.0
 
Feb. 23, 2021, 10 p.m. 3.7 ppb (4) 0.9 ppb (1) 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
 
Feb. 23, 2021, 9 p.m. 3.2 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.28 ppb (4) N/A 0.0 μg/m3 (0) 4.0
 
Feb. 23, 2021, 8 p.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.27 ppb (4) N/A 0.0 μg/m3 (0) 4.0
 
Feb. 23, 2021, 7 p.m. 3.8 ppb (4) 1.0 ppb (1) 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
 
Feb. 23, 2021, 6 p.m. 28.3 ppb (27) 12.1 ppb (12) N/A 16.0 ppb (16) N/A N/A N/A 0.4 ppb (5) N/A 2.0 μg/m3 (9) 27.0
 
Feb. 23, 2021, 5 p.m. 33.6 ppb (32) 16.0 ppb (16) N/A 18.0 ppb (17) N/A N/A N/A 0.42 ppb (5) N/A 5.0 μg/m3 (21) 32.0
 
Feb. 23, 2021, 4 p.m. 60.5 ppb (58) 38.7 ppb (37) N/A 22.0 ppb (21) N/A N/A N/A 0.64 ppb (7) N/A 10.0 μg/m3 (42) 58.0
 
Feb. 23, 2021, 3 p.m. 68.7 ppb (67) 44.1 ppb (42) N/A 25.0 ppb (24) N/A N/A N/A 0.85 ppb (10) N/A 9.0 μg/m3 (38) 67.0
 
Feb. 23, 2021, 2 p.m. 51.8 ppb (49) 29.6 ppb (28) N/A 22.0 ppb (21) N/A N/A N/A 0.79 ppb (10) N/A 9.0 μg/m3 (38) 49.0
 
Feb. 23, 2021, 1 p.m. 59.4 ppb (57) 34.3 ppb (33) N/A 25.0 ppb (24) N/A N/A N/A 0.74 ppb (8) N/A 10.0 μg/m3 (42) 57.0
 
Feb. 23, 2021, noon 36.6 ppb (35) 13.8 ppb (14) N/A 23.0 ppb (22) N/A N/A N/A 0.7 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 23, 2021, 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 (62) 62.0
 
Feb. 23, 2021, 10 a.m. 51.7 ppb (49) 25.1 ppb (24) N/A 27.0 ppb (26) N/A N/A N/A 0.93 ppb (11) N/A 16.0 μg/m3 (60) 60.0
 
Feb. 23, 2021, 9 a.m. 41.8 ppb (40) 17.2 ppb (17) N/A 25.0 ppb (24) N/A N/A N/A 0.83 ppb (10) N/A 11.0 μg/m3 (46) 46.0
 
Feb. 23, 2021, 8 a.m. 28.8 ppb (28) 4.3 ppb (5) N/A 25.0 ppb (24) N/A N/A N/A 0.67 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Feb. 23, 2021, 7 a.m. 25.3 ppb (24) 1.7 ppb (2) N/A 24.0 ppb (23) N/A N/A N/A 0.6 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Feb. 23, 2021, 6 a.m. 19.8 ppb (19) 0.8 ppb (1) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Feb. 23, 2021, 5 a.m. 25.5 ppb (25) 1.8 ppb (2) N/A 24.0 ppb (23) N/A N/A N/A 0.47 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Feb. 23, 2021, 4 a.m. 19.2 ppb (19) 0.8 ppb (1) N/A 19.0 ppb (18) N/A N/A N/A 0.44 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 23, 2021, 3 a.m. 15.5 ppb (15) 0.5 ppb (1) N/A 15.0 ppb (15) N/A N/A N/A 0.43 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 23, 2021, 2 a.m. 16.3 ppb (16) 0.5 ppb (1) N/A 16.0 ppb (16) N/A N/A N/A 0.43 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 23, 2021, 1 a.m. 20.1 ppb (19) 3.4 ppb (4) N/A 17.0 ppb (17) N/A N/A N/A 0.43 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 23, 2021, midnight 28.3 ppb (27) 8.5 ppb (9) N/A 20.0 ppb (19) N/A N/A N/A 0.45 ppb (6) N/A 5.0 μg/m3 (21) 27.0
 
Feb. 22, 2021, 11 p.m. 35.7 ppb (34) 13.8 ppb (14) N/A 22.0 ppb (21) N/A N/A N/A 0.53 ppb (6) N/A 6.0 μg/m3 (25) 34.0
 
Feb. 22, 2021, 10 p.m. 24.0 ppb (23) 10.0 ppb (10) N/A 14.0 ppb (14) N/A N/A N/A 0.42 ppb (5) N/A 3.0 μg/m3 (13) 23.0
 
Feb. 22, 2021, 9 p.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.29 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Feb. 22, 2021, 8 p.m. 2.8 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Feb. 22, 2021, 7 p.m. 22.1 ppb (21) 11.0 ppb (11) N/A 11.0 ppb (11) N/A N/A N/A 0.37 ppb (5) N/A 1.0 μg/m3 (5) 21.0
 
Feb. 22, 2021, 6 p.m. 45.9 ppb (44) 23.0 ppb (22) N/A 23.0 ppb (22) N/A N/A N/A 0.46 ppb (6) N/A 1.0 μg/m3 (5) 44.0
 
Feb. 22, 2021, 5 p.m. 8.1 ppb (8) 3.2 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.32 ppb (4) N/A 1.0 μg/m3 (5) 8.0
 
Feb. 22, 2021, 4 p.m. 15.0 ppb (15) 6.5 ppb (7) N/A 9.0 ppb (9) N/A N/A N/A 0.33 ppb (4) N/A 1.0 μg/m3 (5) 15.0
 
Feb. 22, 2021, 3 p.m. 16.5 ppb (16) 5.2 ppb (5) N/A 11.0 ppb (11) N/A N/A N/A 0.35 ppb (4) N/A 0.0 μg/m3 (0) 16.0
 
Feb. 22, 2021, 2 p.m. 7.4 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.3 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Feb. 22, 2021, 1 p.m. 62.6 ppb (61) 35.6 ppb (34) N/A 27.0 ppb (26) N/A N/A N/A 0.6 ppb (7) N/A 8.0 μg/m3 (34) 61.0
 
Feb. 22, 2021, noon 71.9 ppb (71) 42.6 ppb (41) N/A 29.0 ppb (28) N/A N/A N/A 0.76 ppb (10) N/A 10.0 μg/m3 (42) 71.0
 
Feb. 22, 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
 
Feb. 22, 2021, 10 a.m. 38.7 ppb (37) 12.6 ppb (12) N/A 26.0 ppb (25) N/A N/A N/A 0.84 ppb (10) N/A 16.0 μg/m3 (60) 60.0
 
Feb. 22, 2021, 9 a.m. 41.3 ppb (39) 14.1 ppb (14) N/A 27.0 ppb (26) N/A N/A N/A 0.91 ppb (11) N/A 15.0 μg/m3 (58) 58.0
 
Feb. 22, 2021, 8 a.m. 53.9 ppb (51) 26.7 ppb (26) N/A 27.0 ppb (26) N/A N/A N/A 1.05 ppb (13) N/A 22.0 μg/m3 (72) 72.0
 
Feb. 22, 2021, 7 a.m. 41.7 ppb (40) 14.4 ppb (14) N/A 27.0 ppb (26) N/A N/A N/A 0.89 ppb (11) N/A 17.0 μg/m3 (62) 62.0
 
Feb. 22, 2021, 6 a.m. 43.0 ppb (41) 15.0 ppb (15) N/A 28.0 ppb (27) N/A N/A N/A 1.0 ppb (12) N/A 25.0 μg/m3 (79) 79.0
 
Feb. 22, 2021, 5 a.m. 30.0 ppb (29) 5.9 ppb (6) N/A 24.0 ppb (23) N/A N/A N/A 0.78 ppb (10) N/A 18.0 μg/m3 (64) 64.0
 
Feb. 22, 2021, 4 a.m. 19.7 ppb (19) 1.9 ppb (2) N/A 18.0 ppb (17) N/A N/A N/A 0.56 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 22, 2021, 3 a.m. 17.2 ppb (17) 0.7 ppb (1) N/A 17.0 ppb (17) N/A N/A N/A 0.42 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Feb. 22, 2021, 2 a.m. 16.6 ppb (16) 0.7 ppb (1) N/A 16.0 ppb (16) N/A N/A N/A 0.47 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 22, 2021, 1 a.m. 35.6 ppb (34) 11.2 ppb (11) N/A 24.0 ppb (23) N/A N/A N/A 0.65 ppb (8) N/A 3.0 μg/m3 (13) 34.0
 
Feb. 22, 2021, midnight 21.4 ppb (21) 8.2 ppb (8) N/A 13.0 ppb (13) N/A N/A N/A 0.58 ppb (7) N/A 1.0 μg/m3 (5) 21.0
 
Feb. 21, 2021, 11 p.m. 23.7 ppb (23) 10.0 ppb (10) N/A 14.0 ppb (14) N/A N/A N/A 0.54 ppb (6) N/A 4.0 μg/m3 (17) 23.0
 
Feb. 21, 2021, 10 p.m. 18.4 ppb (18) 7.6 ppb (8) N/A 11.0 ppb (11) N/A N/A N/A 0.47 ppb (6) N/A 3.0 μg/m3 (13) 18.0
 
Feb. 21, 2021, 9 p.m. 17.0 ppb (17) 7.1 ppb (7) N/A 10.0 ppb (10) N/A N/A N/A 0.55 ppb (7) N/A -1.0 μg/m3 (0) 17.0
 
Feb. 21, 2021, 8 p.m. 10.8 ppb (11) 4.6 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.43 ppb (5) N/A -1.0 μg/m3 (0) 11.0
 
Feb. 21, 2021, 7 p.m. 15.0 ppb (15) 7.0 ppb (7) N/A 8.0 ppb (8) N/A N/A N/A 0.49 ppb (6) N/A 1.0 μg/m3 (5) 15.0
 
Feb. 21, 2021, 6 p.m. 16.4 ppb (16) 7.9 ppb (8) N/A 8.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A 0.0 μg/m3 (0) 16.0
 
Feb. 21, 2021, 5 p.m. 12.9 ppb (13) 5.6 ppb (6) N/A 7.0 ppb (7) N/A N/A N/A 0.44 ppb (5) N/A -1.0 μg/m3 (0) 13.0
 
Feb. 21, 2021, 4 p.m. 11.7 ppb (12) 4.9 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.42 ppb (5) N/A 1.0 μg/m3 (5) 12.0
 
Feb. 21, 2021, 3 p.m. 5.7 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.32 ppb (4) N/A 1.0 μg/m3 (5) 6.0
 
Feb. 21, 2021, 2 p.m. 5.7 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.31 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Feb. 21, 2021, 1 p.m. 4.7 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.29 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Feb. 21, 2021, noon 4.1 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.27 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Feb. 21, 2021, 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 (13) 13.0
 
Feb. 21, 2021, 10 a.m. 13.4 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (13) N/A N/A N/A 0.49 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 21, 2021, 9 a.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.28 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Feb. 21, 2021, 8 a.m. 3.7 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Feb. 21, 2021, 7 a.m. 7.7 ppb (8) 0.9 ppb (1) 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
 
Feb. 21, 2021, 6 a.m. 13.3 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (13) N/A N/A N/A 0.43 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 21, 2021, 5 a.m. 13.4 ppb (13) 1.1 ppb (2) N/A 12.0 ppb (12) N/A N/A N/A 0.42 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 21, 2021, 4 a.m. 8.5 ppb (9) 1.2 ppb (2) N/A 7.0 ppb (7) N/A N/A N/A 0.36 ppb (5) N/A 1.0 μg/m3 (5) 9.0
 
Feb. 21, 2021, 3 a.m. 3.9 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Feb. 21, 2021, 2 a.m. 4.4 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 21, 2021, 1 a.m. 12.4 ppb (12) 3.6 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A 0.44 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 21, 2021, midnight 15.6 ppb (15) 5.7 ppb (6) N/A 10.0 ppb (10) N/A N/A N/A 0.49 ppb (6) N/A 3.0 μg/m3 (13) 15.0
 
Feb. 20, 2021, 11 p.m. 9.4 ppb (9) 3.9 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.38 ppb (5) N/A 3.0 μg/m3 (13) 13.0
 
Feb. 20, 2021, 10 p.m. 7.2 ppb (7) 2.9 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.37 ppb (5) N/A 1.0 μg/m3 (5) 7.0
 
Feb. 20, 2021, 9 p.m. 8.5 ppb (9) 3.4 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.37 ppb (5) N/A -2.0 μg/m3 (0) 9.0
 
Feb. 20, 2021, 8 p.m. 3.4 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (4) N/A -1.0 μg/m3 (0) 4.0
 
Feb. 20, 2021, 7 p.m. 5.1 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.29 ppb (4) N/A -1.0 μg/m3 (0) 5.0
 
Feb. 20, 2021, 6 p.m. 9.8 ppb (10) 3.9 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.33 ppb (4) N/A 1.0 μg/m3 (5) 10.0
 
Feb. 20, 2021, 5 p.m. 16.8 ppb (16) 6.7 ppb (7) N/A 10.0 ppb (10) N/A N/A N/A 0.39 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Feb. 20, 2021, 4 p.m. 15.3 ppb (15) 5.4 ppb (6) 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
 
Feb. 20, 2021, 3 p.m. 11.9 ppb (12) 3.7 ppb (4) N/A 8.0 ppb (8) N/A N/A N/A 0.33 ppb (4) N/A 3.0 μg/m3 (13) 13.0
 
Feb. 20, 2021, 2 p.m. 13.0 ppb (13) 3.2 ppb (4) N/A 10.0 ppb (10) N/A N/A N/A 0.33 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Feb. 20, 2021, 1 p.m. 9.4 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.29 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 20, 2021, noon 7.6 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Feb. 20, 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
 
Feb. 20, 2021, 10 a.m. 5.7 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.28 ppb (4) N/A 2.0 μg/m3 (9) 9.0
 
Feb. 20, 2021, 9 a.m. 4.7 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.28 ppb (4) N/A 1.0 μg/m3 (5) 5.0
 
Feb. 20, 2021, 8 a.m. 6.3 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.32 ppb (4) N/A 0.0 μg/m3 (0) 6.0
 
Feb. 20, 2021, 7 a.m. 7.0 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.34 ppb (4) N/A 1.0 μg/m3 (5) 7.0
 
Feb. 20, 2021, 6 a.m. 9.9 ppb (10) 2.6 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A 0.35 ppb (4) N/A 1.0 μg/m3 (5) 10.0
 
Feb. 20, 2021, 5 a.m. 21.7 ppb (21) 4.7 ppb (5) N/A 17.0 ppb (17) N/A N/A N/A 0.36 ppb (5) N/A 3.0 μg/m3 (13) 21.0
 
Feb. 20, 2021, 4 a.m. 21.8 ppb (21) 5.2 ppb (5) N/A 17.0 ppb (17) N/A N/A N/A 0.4 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 20, 2021, 3 a.m. 22.9 ppb (22) 6.3 ppb (6) N/A 17.0 ppb (17) N/A N/A N/A 0.42 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 20, 2021, 2 a.m. 21.5 ppb (21) 6.3 ppb (6) N/A 15.0 ppb (15) N/A N/A N/A 0.43 ppb (5) N/A 4.0 μg/m3 (17) 21.0
 
Feb. 20, 2021, 1 a.m. 20.1 ppb (19) 6.7 ppb (7) N/A 13.0 ppb (13) N/A N/A N/A 0.45 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 20, 2021, midnight 26.0 ppb (25) 11.6 ppb (11) N/A 14.0 ppb (14) N/A N/A N/A 0.47 ppb (6) N/A 4.0 μg/m3 (17) 25.0
 
Feb. 19, 2021, 11 p.m. 26.1 ppb (25) 11.3 ppb (11) N/A 15.0 ppb (15) N/A N/A N/A 0.45 ppb (6) N/A 3.0 μg/m3 (13) 25.0
 
Feb. 19, 2021, 10 p.m. 35.3 ppb (34) 16.3 ppb (16) N/A 19.0 ppb (18) N/A N/A N/A 0.49 ppb (6) N/A 4.0 μg/m3 (17) 34.0
 
Feb. 19, 2021, 9 p.m. 35.0 ppb (34) 14.4 ppb (14) N/A 21.0 ppb (20) N/A N/A N/A 0.49 ppb (6) N/A 5.0 μg/m3 (21) 34.0
 
Feb. 19, 2021, 8 p.m. 37.3 ppb (36) 16.7 ppb (16) N/A 21.0 ppb (20) N/A N/A N/A 0.49 ppb (6) N/A 6.0 μg/m3 (25) 36.0
 
Feb. 19, 2021, 7 p.m. 40.5 ppb (39) 19.9 ppb (19) N/A 21.0 ppb (20) N/A N/A N/A 0.51 ppb (6) N/A 6.0 μg/m3 (25) 39.0
 
Feb. 19, 2021, 6 p.m. 41.8 ppb (40) 19.0 ppb (18) N/A 23.0 ppb (22) N/A N/A N/A 0.51 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 19, 2021, 5 p.m. 53.0 ppb (50) 25.8 ppb (25) N/A 27.0 ppb (26) N/A N/A N/A 0.53 ppb (6) N/A 10.0 μg/m3 (42) 50.0
 
Feb. 19, 2021, 4 p.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
 
Feb. 19, 2021, midnight 40.2 ppb (38) 15.0 ppb (15) N/A 25.0 ppb (24) N/A N/A N/A 0.44 ppb (5) N/A 8.0 μg/m3 (34) 38.0
 
Feb. 18, 2021, 11 p.m. 38.4 ppb (37) 14.1 ppb (14) N/A 24.0 ppb (23) N/A N/A N/A 0.47 ppb (6) N/A 8.0 μg/m3 (34) 37.0
 
Feb. 18, 2021, 10 p.m. 43.3 ppb (41) 18.5 ppb (18) N/A 25.0 ppb (24) N/A N/A N/A 0.51 ppb (6) N/A 7.0 μg/m3 (30) 41.0
 
Feb. 18, 2021, 9 p.m. 39.1 ppb (37) 16.9 ppb (16) N/A 22.0 ppb (21) N/A N/A N/A 0.51 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 18, 2021, 8 p.m. 64.1 ppb (62) 33.9 ppb (32) N/A 30.0 ppb (29) N/A N/A N/A 0.48 ppb (6) N/A 10.0 μg/m3 (42) 62.0
 
Feb. 18, 2021, 7 p.m. 45.5 ppb (43) 21.9 ppb (21) N/A 24.0 ppb (23) N/A N/A N/A 0.48 ppb (6) N/A 9.0 μg/m3 (38) 43.0
 
Feb. 18, 2021, 6 p.m. 53.0 ppb (50) 26.5 ppb (25) N/A 27.0 ppb (26) N/A N/A N/A 0.52 ppb (6) N/A 9.0 μg/m3 (38) 50.0
 
Feb. 18, 2021, 5 p.m. 46.3 ppb (44) 23.2 ppb (22) N/A 23.0 ppb (22) N/A N/A N/A 0.48 ppb (6) N/A 10.0 μg/m3 (42) 44.0
 
Feb. 18, 2021, 4 p.m. 86.0 ppb (86) 51.6 ppb (49) N/A 34.0 ppb (33) N/A N/A N/A 0.72 ppb (8) N/A 10.0 μg/m3 (42) 86.0
 
Feb. 18, 2021, 3 p.m. 64.8 ppb (63) 31.3 ppb (30) N/A 34.0 ppb (33) N/A N/A N/A 0.8 ppb (10) N/A 8.0 μg/m3 (34) 63.0
 
Feb. 18, 2021, 2 p.m. 57.3 ppb (55) 26.1 ppb (25) N/A 31.0 ppb (30) N/A N/A N/A 0.68 ppb (8) N/A 8.0 μg/m3 (34) 55.0
 
Feb. 18, 2021, 1 p.m. 41.9 ppb (40) 14.2 ppb (14) N/A 28.0 ppb (27) N/A N/A N/A 0.53 ppb (6) N/A 4.0 μg/m3 (17) 40.0
 
Feb. 18, 2021, noon 22.5 ppb (22) 2.0 ppb (2) N/A 21.0 ppb (20) N/A N/A N/A 0.4 ppb (5) N/A -2.0 μg/m3 (0) 22.0
 
Feb. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
Feb. 18, 2021, 10 a.m. 16.7 ppb (16) 0.6 ppb (1) N/A 16.0 ppb (16) N/A N/A N/A 0.43 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 18, 2021, 9 a.m. 29.2 ppb (28) 4.8 ppb (5) N/A 24.0 ppb (23) N/A N/A N/A 0.62 ppb (7) N/A 6.0 μg/m3 (25) 28.0
 
Feb. 18, 2021, 8 a.m. 22.6 ppb (22) 1.2 ppb (2) N/A 21.0 ppb (20) N/A N/A N/A 0.56 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 18, 2021, 7 a.m. 27.4 ppb (26) 2.1 ppb (2) N/A 25.0 ppb (24) N/A N/A N/A 0.56 ppb (7) N/A 5.0 μg/m3 (21) 26.0
 
Feb. 18, 2021, 6 a.m. 13.7 ppb (13) 1.1 ppb (2) N/A 13.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 18, 2021, 5 a.m. 8.4 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.31 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 18, 2021, 4 a.m. 14.6 ppb (14) 1.8 ppb (2) N/A 13.0 ppb (13) N/A N/A N/A 0.37 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 18, 2021, 3 a.m. 22.1 ppb (21) 2.7 ppb (3) N/A 19.0 ppb (18) N/A N/A N/A 0.46 ppb (6) N/A 4.0 μg/m3 (17) 21.0