ID: 1928

AQSQID: 060010009

Site Name: Oakland

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

Updated: Aug. 6, 2020, 9:42 p.m.

Location: Oakland (N Stonehurst), CA

Reporting: True, Located: True

Current AQI: 25.0

Oakland (N Stonehurst) CA, US: 37.743061, -122.169907

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 6, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.26 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 6, 2020, 6 p.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
 
Aug. 6, 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
 
Aug. 6, 2020, 4 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
 
Aug. 6, 2020, 3 p.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
 
Aug. 6, 2020, 2 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
 
Aug. 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Aug. 6, 2020, noon 3.3 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.23 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 6, 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
 
Aug. 6, 2020, 10 a.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) 0.18 ppb (2) N/A 3.0 μg/m3 (12) 16.0
 
Aug. 6, 2020, 9 a.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) 0.18 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 6, 2020, 8 a.m. 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.17 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 6, 2020, 7 a.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 6, 2020, 6 a.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.19 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 6, 2020, 5 a.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.18 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 6, 2020, 4 a.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.18 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 6, 2020, 3 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.19 ppb (2) N/A 4.0 μg/m3 (17) 18.0
 
Aug. 6, 2020, 2 a.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 6, 2020, 1 a.m. 1.8 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 19.0
 
Aug. 6, 2020, midnight 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 19.0
 
Aug. 5, 2020, 11 p.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 5, 2020, 10 p.m. 2.0 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 5, 2020, 9 p.m. 2.7 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 5, 2020, 8 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 5, 2020, 7 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 5, 2020, 6 p.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 5, 2020, 5 p.m. 2.5 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 5, 2020, 4 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
 
Aug. 5, 2020, 3 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
 
Aug. 5, 2020, 2 p.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
 
Aug. 5, 2020, 1 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
 
Aug. 5, 2020, noon 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 5, 2020, 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
 
Aug. 5, 2020, 10 a.m. 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 5, 2020, 9 a.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 5, 2020, 8 a.m. 1.8 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 5, 2020, 7 a.m. 1.4 ppb (1) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 5, 2020, 6 a.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.18 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 5, 2020, 5 a.m. 2.5 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.19 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 5, 2020, 4 a.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.19 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 5, 2020, 3 a.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.21 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 5, 2020, 2 a.m. 3.1 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 5, 2020, 1 a.m. 3.9 ppb (4) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) 0.23 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 5, 2020, midnight 2.8 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.22 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 4, 2020, 11 p.m. 3.0 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.23 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 4, 2020, 10 p.m. 3.4 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) 0.22 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 4, 2020, 9 p.m. 3.9 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.21 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 4, 2020, 8 p.m. 3.0 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 4, 2020, 7 p.m. 4.7 ppb (4) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.22 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 4, 2020, 6 p.m. 4.7 ppb (4) 2.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 4, 2020, 5 p.m. 4.8 ppb (4) 2.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 4, 2020, 4 p.m. 6.6 ppb (6) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 4, 2020, 3 p.m. 4.7 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) 0.22 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 4, 2020, 2 p.m. 6.5 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Aug. 4, 2020, 1 p.m. 3.2 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) 0.19 ppb (2) N/A 1.0 μg/m3 (4) 13.0
 
Aug. 4, 2020, noon 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 17.0 ppb (13) 0.18 ppb (2) N/A 0.0 μg/m3 (0) 13.0
 
Aug. 4, 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 (0) N/A
Aug. 4, 2020, 10 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 17.0 ppb (13) 0.16 ppb (2) N/A -1.0 μg/m3 (0) 13.0
 
Aug. 4, 2020, 9 a.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (15) 0.18 ppb (2) N/A 3.0 μg/m3 (12) 15.0
 
Aug. 4, 2020, 8 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (15) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 4, 2020, 7 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (15) 0.18 ppb (2) N/A 3.0 μg/m3 (12) 15.0
 
Aug. 4, 2020, 6 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 17.0 ppb (13) 0.18 ppb (2) N/A 2.0 μg/m3 (8) 13.0
 
Aug. 4, 2020, 5 a.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 17.0 ppb (13) 0.18 ppb (2) N/A 3.0 μg/m3 (12) 13.0
 
Aug. 4, 2020, 4 a.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) 0.18 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 4, 2020, 3 a.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) 0.22 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 4, 2020, 2 a.m. 2.2 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) 0.23 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Aug. 4, 2020, 1 a.m. 2.9 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (12) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Aug. 4, 2020, midnight 2.3 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 3, 2020, 11 p.m. 2.6 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (14) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 3, 2020, 10 p.m. 4.5 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.23 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 3, 2020, 9 p.m. 7.3 ppb (7) 2.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 3, 2020, 8 p.m. 5.0 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.22 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 3, 2020, 7 p.m. 7.4 ppb (7) 2.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.23 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 3, 2020, 6 p.m. 6.1 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.22 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 3, 2020, 5 p.m. 6.0 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.22 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 3, 2020, 4 p.m. 5.9 ppb (5) 2.5 ppb (2) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 3, 2020, 3 p.m. 6.9 ppb (6) 2.7 ppb (3) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) 0.26 ppb (3) N/A N/A 11.0
 
Aug. 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.36 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 3, 2020, 1 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
 
Aug. 3, 2020, noon 6.4 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 9.0 ppb (7) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
Aug. 3, 2020, 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 (29) 29.0
 
Aug. 3, 2020, 10 a.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.25 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 3, 2020, 9 a.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) 0.26 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 3, 2020, 8 a.m. 2.6 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.27 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 3, 2020, 7 a.m. 6.3 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 8.0 ppb (6) 0.37 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 3, 2020, 6 a.m. 8.0 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 9.0 ppb (7) 0.38 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 3, 2020, 5 a.m. 4.4 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) 0.28 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 3, 2020, 4 a.m. 2.7 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) 0.27 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 3, 2020, 3 a.m. 3.2 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 3, 2020, 2 a.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (14) 0.29 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 3, 2020, 1 a.m. 3.3 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 3, 2020, midnight 4.3 ppb (4) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.29 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 2, 2020, 11 p.m. 3.8 ppb (4) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) 0.28 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 2, 2020, 10 p.m. 3.4 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 2, 2020, 9 p.m. 3.0 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Aug. 2, 2020, 8 p.m. 3.4 ppb (3) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Aug. 2, 2020, 7 p.m. 3.7 ppb (3) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Aug. 2, 2020, 6 p.m. 3.2 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (14) 0.25 ppb (3) N/A 2.0 μg/m3 (8) 14.0
 
Aug. 2, 2020, 5 p.m. 3.9 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) 0.25 ppb (3) N/A 2.0 μg/m3 (8) 12.0
 
Aug. 2, 2020, 4 p.m. 3.2 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (12) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Aug. 2, 2020, 3 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.23 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Aug. 2, 2020, 2 p.m. 1.4 ppb (1) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 15.0 ppb (12) 0.23 ppb (3) N/A 1.0 μg/m3 (4) 12.0
 
Aug. 2, 2020, 1 p.m. 1.3 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.23 ppb (3) N/A 1.0 μg/m3 (4) 11.0
 
Aug. 2, 2020, noon 0.9 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 15.0 ppb (12) 0.23 ppb (3) N/A 0.0 μg/m3 (0) 12.0
 
Aug. 2, 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
 
Aug. 2, 2020, 10 a.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 15.0 ppb (12) 0.24 ppb (3) N/A 2.0 μg/m3 (8) 12.0
 
Aug. 2, 2020, 9 a.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Aug. 2, 2020, 8 a.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.25 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 2, 2020, 7 a.m. 2.5 ppb (2) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 2, 2020, 6 a.m. 3.0 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) 0.25 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Aug. 2, 2020, 5 a.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) 0.25 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 2, 2020, 4 a.m. 3.2 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 12.0 ppb (9) 0.28 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 2, 2020, 3 a.m. 5.8 ppb (5) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 2, 2020, 2 a.m. 4.5 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 13.0 ppb (10) 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 2, 2020, 1 a.m. 5.8 ppb (5) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (10) 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 2, 2020, midnight 4.3 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (12) 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 1, 2020, 11 p.m. 5.3 ppb (5) 2.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) 0.29 ppb (3) N/A 1.0 μg/m3 (4) 12.0
 
Aug. 1, 2020, 10 p.m. 5.1 ppb (5) 2.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) 0.29 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Aug. 1, 2020, 9 p.m. 5.3 ppb (5) 2.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) 0.27 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 1, 2020, 8 p.m. 3.4 ppb (3) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Aug. 1, 2020, 7 p.m. 4.8 ppb (4) 2.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) 0.28 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Aug. 1, 2020, 6 p.m. 4.7 ppb (4) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) 0.28 ppb (3) N/A 3.0 μg/m3 (12) 13.0
 
Aug. 1, 2020, 5 p.m. 4.1 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) 0.26 ppb (3) N/A 2.0 μg/m3 (8) 11.0
 
Aug. 1, 2020, 4 p.m. 3.5 ppb (3) 2.1 ppb (2) N/A 1.0 ppb (1) N/A N/A 13.0 ppb (10) 0.25 ppb (3) N/A 1.0 μg/m3 (4) 10.0
 
Aug. 1, 2020, 3 p.m. 2.7 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.24 ppb (3) N/A 1.0 μg/m3 (4) 10.0
 
Aug. 1, 2020, 2 p.m. 4.2 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 11.0 ppb (8) 0.24 ppb (3) N/A 0.0 μg/m3 (0) 8.0
 
Aug. 1, 2020, 1 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 12.0 ppb (9) 0.23 ppb (3) N/A 2.0 μg/m3 (8) 9.0
 
Aug. 1, 2020, noon 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 12.0 ppb (9) 0.22 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Aug. 1, 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
 
Aug. 1, 2020, 10 a.m. 1.1 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 13.0 ppb (10) 0.23 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Aug. 1, 2020, 9 a.m. 0.6 ppb (1) 0.4 ppb (0) N/A 0.0 ppb (0) N/A N/A 14.0 ppb (11) 0.22 ppb (2) N/A 2.0 μg/m3 (8) 11.0
 
Aug. 1, 2020, 8 a.m. 0.9 ppb (1) 0.6 ppb (1) N/A 0.0 ppb (0) N/A N/A 14.0 ppb (11) 0.24 ppb (3) N/A 2.0 μg/m3 (8) 11.0
 
Aug. 1, 2020, 7 a.m. 1.8 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.24 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Aug. 1, 2020, 6 a.m. 3.3 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 12.0 ppb (9) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 1, 2020, 5 a.m. 4.1 ppb (4) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (10) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 1, 2020, 4 a.m. 3.6 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 12.0 ppb (9) 0.28 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 1, 2020, 3 a.m. 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (11) 0.28 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 1, 2020, 2 a.m. 3.4 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) 0.29 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 1, 2020, 1 a.m. 3.5 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) 0.28 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Aug. 1, 2020, midnight 3.4 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) 0.28 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
July 31, 2020, 11 p.m. 5.7 ppb (5) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.29 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 31, 2020, 10 p.m. 6.8 ppb (6) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
July 31, 2020, 9 p.m. 6.7 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
July 31, 2020, 8 p.m. 4.3 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.27 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
July 31, 2020, 7 p.m. 5.5 ppb (5) 2.5 ppb (2) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.26 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
July 31, 2020, 6 p.m. 4.1 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) 0.25 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
July 31, 2020, 5 p.m. 3.8 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
July 31, 2020, 4 p.m. 5.4 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
July 31, 2020, 3 p.m. 6.3 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
July 31, 2020, 2 p.m. 5.1 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.26 ppb (3) N/A 3.0 μg/m3 (12) 15.0
 
July 31, 2020, 1 p.m. 4.7 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.26 ppb (3) N/A 3.0 μg/m3 (12) 16.0
 
July 31, 2020, noon 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.24 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
July 31, 2020, 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
 
July 31, 2020, 10 a.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) 0.23 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 31, 2020, 9 a.m. 3.3 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) 0.24 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 31, 2020, 8 a.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.24 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 31, 2020, 7 a.m. 2.5 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) 0.24 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 31, 2020, 6 a.m. 5.1 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.26 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
July 31, 2020, 5 a.m. 4.5 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.27 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 31, 2020, 4 a.m. 4.7 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
July 31, 2020, 3 a.m. 8.5 ppb (8) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) 0.28 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
July 31, 2020, 2 a.m. 10.5 ppb (10) 2.6 ppb (2) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
July 31, 2020, 1 a.m. 9.6 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
July 31, 2020, midnight 9.5 ppb (9) 3.4 ppb (3) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
July 30, 2020, 11 p.m. 10.7 ppb (10) 4.1 ppb (4) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) 0.3 ppb (3) N/A 2.0 μg/m3 (8) 17.0
 
July 30, 2020, 10 p.m. 8.8 ppb (8) 3.1 ppb (3) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) 0.29 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
July 30, 2020, 9 p.m. 9.2 ppb (9) 3.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) 0.29 ppb (3) N/A 4.0 μg/m3 (17) 19.0