AQSQID: 060010012

Site Name: Laney College

Location: Oakland (Peralta-Laney), CA

Reporting: True, Located: True

Current AQI: 22.0

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
April 2, 2020, 5 p.m. 24.2 ppb (22) 11.3 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.29 ppb (3) N/A 0.0 μg/m3 (0) 22.0
 
April 2, 2020, 4 p.m. 14.4 ppb (13) 5.8 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A 0.0 μg/m3 (0) 13.0
 
April 2, 2020, 3 p.m. 12.7 ppb (12) 3.4 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.24 ppb (3) N/A 0.0 μg/m3 (0) 12.0
 
April 2, 2020, 2 p.m. 10.9 ppb (10) 1.4 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A 0.21 ppb (2) N/A 1.0 μg/m3 (4) 10.0
 
April 2, 2020, 1 p.m. 5.6 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
April 2, 2020, noon 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
April 2, 2020, 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 (8) 8.0
 
April 2, 2020, 10 a.m. 3.7 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
April 2, 2020, 9 a.m. 4.6 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (2) N/A 0.0 μg/m3 (0) 5.0
 
April 2, 2020, 8 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
April 2, 2020, 7 a.m. 4.9 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
April 2, 2020, 6 a.m. 5.5 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
April 2, 2020, 5 a.m. 5.3 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
April 2, 2020, 4 a.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
April 2, 2020, 3 a.m. 2.4 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
April 2, 2020, 2 a.m. 4.7 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
April 2, 2020, 1 a.m. 12.4 ppb (11) 4.5 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.29 ppb (3) N/A 1.0 μg/m3 (4) 11.0
 
April 2, 2020, midnight 14.9 ppb (14) 6.2 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.29 ppb (3) N/A 1.0 μg/m3 (4) 14.0
 
April 1, 2020, 11 p.m. 20.6 ppb (19) 9.3 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A 0.3 ppb (3) N/A 3.0 μg/m3 (12) 19.0
 
April 1, 2020, 10 p.m. 19.0 ppb (18) 8.9 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) N/A 4.0 μg/m3 (17) 18.0
 
April 1, 2020, 9 p.m. 19.1 ppb (18) 8.5 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A 0.31 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
April 1, 2020, 8 p.m. 23.0 ppb (21) 10.6 ppb (10) N/A 12.0 ppb (11) N/A N/A N/A 0.28 ppb (3) N/A 2.0 μg/m3 (8) 21.0
 
April 1, 2020, 7 p.m. 15.2 ppb (14) 6.4 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A 2.0 μg/m3 (8) 14.0
 
April 1, 2020, 6 p.m. 13.1 ppb (12) 5.3 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A 2.0 μg/m3 (8) 12.0
 
April 1, 2020, 5 p.m. 12.9 ppb (12) 5.4 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 2.0 μg/m3 (8) 12.0
 
April 1, 2020, 4 p.m. 16.4 ppb (15) 6.3 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.23 ppb (3) N/A 2.0 μg/m3 (8) 15.0
 
April 1, 2020, 3 p.m. 19.9 ppb (18) 7.8 ppb (7) N/A 12.0 ppb (11) N/A N/A N/A 0.24 ppb (3) N/A 1.0 μg/m3 (4) 18.0
 
April 1, 2020, 2 p.m. 10.3 ppb (10) 1.2 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.21 ppb (2) N/A 2.0 μg/m3 (8) 10.0
 
April 1, 2020, 1 p.m. 8.0 ppb (7) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.2 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
April 1, 2020, noon 15.9 ppb (15) 4.4 ppb (4) N/A 12.0 ppb (11) N/A N/A N/A 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
April 1, 2020, 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 (4) 4.0
 
April 1, 2020, 10 a.m. 5.8 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.17 ppb (2) N/A 0.0 μg/m3 (0) 5.0
 
April 1, 2020, 9 a.m. 2.6 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.16 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
April 1, 2020, 8 a.m. 4.8 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A 0.0 μg/m3 (0) 4.0
 
April 1, 2020, 7 a.m. 10.3 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A N/A N/A 0.23 ppb (3) N/A 0.0 μg/m3 (0) 10.0
 
April 1, 2020, 6 a.m. 11.4 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.24 ppb (3) N/A 0.0 μg/m3 (0) 11.0
 
April 1, 2020, 5 a.m. 14.4 ppb (13) 3.7 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.28 ppb (3) N/A 2.0 μg/m3 (8) 13.0
 
April 1, 2020, 4 a.m. 11.1 ppb (10) 3.2 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.28 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
April 1, 2020, 3 a.m. 8.3 ppb (8) 3.1 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.24 ppb (3) N/A 1.0 μg/m3 (4) 8.0
 
April 1, 2020, 2 a.m. 8.5 ppb (8) 3.2 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
April 1, 2020, 1 a.m. 8.1 ppb (8) 3.9 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.28 ppb (3) N/A 1.0 μg/m3 (4) 8.0
 
April 1, 2020, midnight 9.8 ppb (9) 5.7 ppb (5) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (3) N/A 1.0 μg/m3 (4) 9.0
 
March 31, 2020, 11 p.m. 12.8 ppb (12) 7.1 ppb (7) N/A 6.0 ppb (6) N/A N/A N/A 0.35 ppb (4) N/A 1.0 μg/m3 (4) 12.0
 
March 31, 2020, 10 p.m. 15.3 ppb (14) 8.3 ppb (8) N/A 7.0 ppb (6) N/A N/A N/A 0.35 ppb (4) N/A 1.0 μg/m3 (4) 14.0
 
March 31, 2020, 9 p.m. 15.8 ppb (15) 8.3 ppb (8) N/A 8.0 ppb (7) N/A N/A N/A 0.3 ppb (3) N/A 0.0 μg/m3 (0) 15.0
 
March 31, 2020, 8 p.m. 18.1 ppb (17) 9.0 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.32 ppb (4) N/A 0.0 μg/m3 (0) 17.0
 
March 31, 2020, 7 p.m. 17.9 ppb (17) 8.8 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.3 ppb (3) N/A -1.0 μg/m3 (0) 17.0
 
March 31, 2020, 6 p.m. 22.6 ppb (21) 11.1 ppb (10) N/A 12.0 ppb (11) N/A N/A N/A 0.28 ppb (3) N/A -1.0 μg/m3 (0) 21.0
 
March 31, 2020, 5 p.m. 23.6 ppb (22) 10.8 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.29 ppb (3) N/A 1.0 μg/m3 (4) 22.0
 
March 31, 2020, 4 p.m. 27.9 ppb (26) 11.7 ppb (11) N/A 16.0 ppb (15) N/A N/A N/A 0.31 ppb (3) N/A 0.0 μg/m3 (0) 26.0
 
March 31, 2020, 3 p.m. 25.7 ppb (24) 9.5 ppb (9) N/A 16.0 ppb (15) N/A N/A N/A 0.32 ppb (4) N/A 0.0 μg/m3 (0) 24.0
 
March 31, 2020, 2 p.m. 31.2 ppb (29) 13.4 ppb (12) N/A 18.0 ppb (17) N/A N/A N/A 0.31 ppb (3) N/A 1.0 μg/m3 (4) 29.0
 
March 31, 2020, 1 p.m. 26.0 ppb (24) 10.6 ppb (10) N/A 15.0 ppb (14) N/A N/A N/A 0.34 ppb (4) N/A 2.0 μg/m3 (8) 24.0
 
March 31, 2020, noon 35.3 ppb (33) 13.5 ppb (12) N/A 22.0 ppb (20) N/A N/A N/A 0.36 ppb (4) N/A 3.0 μg/m3 (12) 33.0
 
March 31, 2020, 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 (8) 8.0
 
March 31, 2020, 10 a.m. 16.5 ppb (15) 1.5 ppb (1) N/A 15.0 ppb (14) N/A N/A N/A 0.27 ppb (3) N/A 3.0 μg/m3 (12) 15.0
 
March 31, 2020, 9 a.m. 10.9 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A N/A N/A 0.26 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
March 31, 2020, 8 a.m. 9.8 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 2.0 μg/m3 (8) 9.0
 
March 31, 2020, 7 a.m. 8.9 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
March 31, 2020, 6 a.m. 11.9 ppb (11) 1.1 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.25 ppb (3) N/A 1.0 μg/m3 (4) 11.0
 
March 31, 2020, 5 a.m. 17.2 ppb (16) 2.4 ppb (2) N/A 15.0 ppb (14) N/A N/A N/A 0.23 ppb (3) N/A 2.0 μg/m3 (8) 16.0
 
March 31, 2020, 4 a.m. 17.5 ppb (16) 3.2 ppb (3) N/A 14.0 ppb (13) N/A N/A N/A 0.24 ppb (3) N/A 2.0 μg/m3 (8) 16.0
 
March 31, 2020, 3 a.m. 15.8 ppb (15) 3.4 ppb (3) N/A 12.0 ppb (11) N/A N/A N/A 0.24 ppb (3) N/A 0.0 μg/m3 (0) 15.0
 
March 31, 2020, 2 a.m. 16.3 ppb (15) 4.6 ppb (4) N/A 12.0 ppb (11) N/A N/A N/A 0.28 ppb (3) N/A -2.0 μg/m3 (0) 15.0
 
March 31, 2020, 1 a.m. 18.9 ppb (18) 6.6 ppb (6) N/A 12.0 ppb (11) N/A N/A N/A 0.3 ppb (3) N/A 1.0 μg/m3 (4) 18.0
 
March 31, 2020, midnight 17.1 ppb (16) 7.5 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A 0.29 ppb (3) N/A 1.0 μg/m3 (4) 16.0
 
March 30, 2020, 11 p.m. 14.9 ppb (14) 7.3 ppb (7) N/A 8.0 ppb (7) N/A N/A N/A 0.28 ppb (3) N/A -1.0 μg/m3 (0) 14.0
 
March 30, 2020, 10 p.m. 20.7 ppb (19) 10.5 ppb (10) N/A 10.0 ppb (9) N/A N/A N/A 0.31 ppb (3) N/A 2.0 μg/m3 (8) 19.0
 
March 30, 2020, 9 p.m. 19.6 ppb (18) 9.8 ppb (9) N/A 10.0 ppb (9) N/A N/A N/A 0.29 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
March 30, 2020, 8 p.m. 18.6 ppb (17) 8.1 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 2.0 μg/m3 (8) 17.0
 
March 30, 2020, 7 p.m. 19.5 ppb (18) 8.8 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A 0.29 ppb (3) N/A 2.0 μg/m3 (8) 18.0
 
March 30, 2020, 6 p.m. 23.3 ppb (22) 10.7 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.28 ppb (3) N/A 2.0 μg/m3 (8) 22.0
 
March 30, 2020, 5 p.m. 21.0 ppb (19) 9.7 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A 0.23 ppb (3) N/A N/A 19.0
 
March 30, 2020, 4 p.m. 26.6 ppb (25) 11.0 ppb (10) N/A 16.0 ppb (15) N/A N/A N/A 0.25 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
March 30, 2020, 3 p.m. 30.2 ppb (28) 11.1 ppb (10) N/A 19.0 ppb (18) N/A N/A N/A 0.29 ppb (3) N/A 5.0 μg/m3 (21) 28.0
 
March 30, 2020, 2 p.m. 25.0 ppb (23) 8.8 ppb (8) N/A 16.0 ppb (15) N/A N/A N/A 0.29 ppb (3) N/A 4.0 μg/m3 (17) 23.0
 
March 30, 2020, 1 p.m. 22.2 ppb (21) 8.1 ppb (8) N/A 14.0 ppb (13) N/A N/A N/A 0.29 ppb (3) N/A 4.0 μg/m3 (17) 21.0
 
March 30, 2020, noon 17.8 ppb (16) 5.9 ppb (5) N/A 12.0 ppb (11) N/A N/A N/A 0.24 ppb (3) N/A 3.0 μg/m3 (12) 16.0
 
March 30, 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
 
March 30, 2020, 10 a.m. 21.7 ppb (20) 2.6 ppb (2) N/A 19.0 ppb (18) N/A N/A N/A 0.2 ppb (2) N/A 2.0 μg/m3 (8) 20.0
 
March 30, 2020, 9 a.m. 14.0 ppb (13) 1.4 ppb (1) N/A 13.0 ppb (12) N/A N/A N/A 0.18 ppb (2) N/A 0.0 μg/m3 (0) 13.0
 
March 30, 2020, 8 a.m. 10.7 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A 0.19 ppb (2) N/A 1.0 μg/m3 (4) 10.0
 
March 30, 2020, 7 a.m. 9.5 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.21 ppb (2) N/A 2.0 μg/m3 (8) 9.0
 
March 30, 2020, 6 a.m. 7.2 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 1.0 μg/m3 (4) 7.0
 
March 30, 2020, 5 a.m. 6.1 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
March 30, 2020, 4 a.m. 14.8 ppb (14) 1.9 ppb (2) N/A 13.0 ppb (12) N/A N/A N/A 0.26 ppb (3) N/A 3.0 μg/m3 (12) 14.0
 
March 30, 2020, 3 a.m. 9.4 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.26 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
March 30, 2020, 2 a.m. 14.1 ppb (13) 2.5 ppb (2) N/A 12.0 ppb (11) N/A N/A N/A 0.33 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
March 30, 2020, 1 a.m. 13.9 ppb (13) 3.1 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.28 ppb (3) N/A 2.0 μg/m3 (8) 13.0
 
March 30, 2020, midnight 10.8 ppb (10) 3.2 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.29 ppb (3) N/A 2.0 μg/m3 (8) 10.0
 
March 29, 2020, 11 p.m. 5.7 ppb (5) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.27 ppb (3) N/A 1.0 μg/m3 (4) 5.0
 
March 29, 2020, 10 p.m. 5.5 ppb (5) 2.2 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.28 ppb (3) N/A 1.0 μg/m3 (4) 5.0
 
March 29, 2020, 9 p.m. 6.6 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.29 ppb (3) N/A 1.0 μg/m3 (4) 6.0
 
March 29, 2020, 8 p.m. 7.0 ppb (6) 2.9 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.28 ppb (3) N/A 1.0 μg/m3 (4) 6.0
 
March 29, 2020, 7 p.m. 5.4 ppb (5) 2.2 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.26 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
March 29, 2020, 6 p.m. 5.9 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.25 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
March 29, 2020, 5 p.m. 8.5 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
March 29, 2020, 4 p.m. 8.6 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
March 29, 2020, 3 p.m. 5.8 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
March 29, 2020, 2 p.m. 7.1 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
March 29, 2020, 1 p.m. 6.2 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
March 29, 2020, noon 11.9 ppb (11) 0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A N/A 0.23 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
March 29, 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
 
March 29, 2020, 10 a.m. 5.4 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
March 29, 2020, 9 a.m. 5.9 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
March 29, 2020, 8 a.m. 5.4 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.25 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
March 29, 2020, 7 a.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.24 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
March 29, 2020, 6 a.m. 5.8 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
March 29, 2020, 5 a.m. 9.1 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
March 29, 2020, 4 a.m. 7.4 ppb (7) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
March 29, 2020, 3 a.m. 6.6 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
March 29, 2020, 2 a.m. 6.7 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
March 29, 2020, 1 a.m. 6.0 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.29 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
March 29, 2020, midnight 6.8 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.27 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
March 28, 2020, 11 p.m. 10.7 ppb (10) 2.4 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
March 28, 2020, 10 p.m. 9.6 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.28 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
March 28, 2020, 9 p.m. 7.8 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
March 28, 2020, 8 p.m. 9.5 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.33 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
March 28, 2020, 7 p.m. 7.7 ppb (7) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.27 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
March 28, 2020, 6 p.m. 10.5 ppb (10) 2.4 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.3 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
March 28, 2020, 5 p.m. 12.8 ppb (12) 3.3 ppb (3) N/A 10.0 ppb (9) N/A N/A N/A 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
March 28, 2020, 4 p.m. 10.5 ppb (10) 2.1 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.26 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
March 28, 2020, 3 p.m. 9.5 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.27 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
March 28, 2020, 2 p.m. 10.9 ppb (10) 0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A N/A 0.27 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
March 28, 2020, 1 p.m. 5.8 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
March 28, 2020, noon 6.9 ppb (6) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.22 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
March 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
March 28, 2020, 10 a.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
March 28, 2020, 9 a.m. 4.3 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
March 28, 2020, 8 a.m. 5.1 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
March 28, 2020, 7 a.m. 6.1 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
March 28, 2020, 6 a.m. 4.7 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.25 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
March 28, 2020, 5 a.m. 5.0 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.25 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
March 28, 2020, 4 a.m. 5.8 ppb (5) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
March 28, 2020, 3 a.m. 6.3 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.28 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
March 28, 2020, 2 a.m. 9.5 ppb (9) 2.3 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
March 28, 2020, 1 a.m. 9.3 ppb (9) 3.1 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
March 28, 2020, midnight 11.0 ppb (10) 4.2 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.27 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
March 27, 2020, 11 p.m. 15.3 ppb (14) 6.1 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.3 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
March 27, 2020, 10 p.m. 15.2 ppb (14) 6.3 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.27 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
March 27, 2020, 9 p.m. 17.3 ppb (16) 7.1 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A 0.26 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
March 27, 2020, 8 p.m. 18.1 ppb (17) 8.1 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.27 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
March 27, 2020, 7 p.m. 16.6 ppb (15) 7.1 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
March 27, 2020, 6 p.m. 23.6 ppb (22) 10.5 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.26 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
March 27, 2020, 5 p.m. 23.9 ppb (22) 9.8 ppb (9) N/A 14.0 ppb (13) N/A N/A N/A 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
March 27, 2020, 4 p.m. 26.8 ppb (25) 11.2 ppb (10) N/A 16.0 ppb (15) N/A N/A N/A 0.23 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
March 27, 2020, 3 p.m. 43.6 ppb (40) 19.6 ppb (18) N/A 24.0 ppb (22) N/A N/A N/A 0.37 ppb (4) N/A 8.0 μg/m3 (33) 40.0
 
March 27, 2020, 2 p.m. 45.3 ppb (42) 17.5 ppb (16) N/A 28.0 ppb (26) N/A N/A N/A 0.43 ppb (5) N/A 8.0 μg/m3 (33) 42.0
 
March 27, 2020, 1 p.m. 56.9 ppb (53) 27.9 ppb (26) N/A 29.0 ppb (27) N/A N/A N/A 0.49 ppb (5) N/A 6.0 μg/m3 (25) 53.0
 
March 27, 2020, noon 20.5 ppb (19) 1.3 ppb (1) N/A 19.0 ppb (18) N/A N/A N/A 0.28 ppb (3) N/A 4.0 μg/m3 (17) 19.0
 
March 27, 2020, 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
 
March 27, 2020, 10 a.m. 9.8 ppb (9) 0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A 1.0 μg/m3 (4) 9.0
 
March 27, 2020, 9 a.m. 5.6 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.17 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
March 27, 2020, 8 a.m. 5.0 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
March 27, 2020, 7 a.m. 5.7 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
March 27, 2020, 6 a.m. 6.2 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.16 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
March 27, 2020, 5 a.m. 6.5 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.16 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
March 27, 2020, 4 a.m. 5.3 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.15 ppb (2) N/A 1.0 μg/m3 (4) 5.0
 
March 27, 2020, 3 a.m. 4.8 ppb (4) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.16 ppb (2) N/A 1.0 μg/m3 (4) 5.0
 
March 27, 2020, 2 a.m. 14.9 ppb (14) 3.9 ppb (4) N/A 11.0 ppb (10) N/A N/A N/A 0.24 ppb (3) N/A 3.0 μg/m3 (12) 14.0
 
March 27, 2020, 1 a.m. 13.9 ppb (13) 5.3 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.21 ppb (2) N/A 0.0 μg/m3 (0) 13.0
 
March 27, 2020, midnight 17.9 ppb (17) 8.0 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A 0.25 ppb (3) N/A 0.0 μg/m3 (0) 17.0
 
March 26, 2020, 11 p.m. 19.4 ppb (18) 9.3 ppb (9) N/A 10.0 ppb (9) N/A N/A N/A 0.26 ppb (3) N/A 2.0 μg/m3 (8) 18.0
 
March 26, 2020, 10 p.m. 21.8 ppb (20) 9.9 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A 0.27 ppb (3) N/A 1.0 μg/m3 (4) 20.0
 
March 26, 2020, 9 p.m. 13.9 ppb (13) 5.8 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 2.0 μg/m3 (8) 13.0
 
March 26, 2020, 8 p.m. 23.0 ppb (21) 10.1 ppb (9) N/A 13.0 ppb (12) N/A N/A N/A 0.27 ppb (3) N/A 4.0 μg/m3 (17) 21.0
 
March 26, 2020, 7 p.m. 28.3 ppb (26) 15.2 ppb (14) N/A 13.0 ppb (12) N/A N/A N/A 0.32 ppb (4) N/A 3.0 μg/m3 (12) 26.0
 
March 26, 2020, 6 p.m. 31.8 ppb (29) 16.8 ppb (16) N/A 15.0 ppb (14) N/A N/A N/A 0.29 ppb (3) N/A 5.0 μg/m3 (21) 29.0