AQSQID: 060131004

Site Name: San Pablo - Rumrill

Location: San Pablo, CA

Reporting: True, Located: True

Current AQI: 26.0

San Pablo CA, US: 37.9604, -122.3571

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 19, 2019, 3 p.m. 27.8 ppb (26) 17.0 ppb (16) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 9.0 ppb (7) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 26.0
 
Sept. 19, 2019, 2 p.m. 30.8 ppb (29) 18.3 ppb (17) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 3.0 ppb (2) 0.46 ppb (5) N/A 6.0 μg/m3 (25) 29.0
 
Sept. 19, 2019, 1 p.m. 24.2 ppb (22) 11.3 ppb (10) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 2.0 ppb (2) 0.43 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2019, noon 14.5 ppb (13) 4.5 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 5.0 ppb (4) 0.27 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2019, 11 a.m. 12.9 ppb (12) 2.5 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 3.0 ppb (2) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2019, 10 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
 
Sept. 19, 2019, 9 a.m. 6.3 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 19, 2019, 8 a.m. 5.9 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (12) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 19, 2019, 7 a.m. 3.6 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.11 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2019, 6 a.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.09 ppb (1) N/A 4.0 μg/m3 (17) 19.0
 
Sept. 19, 2019, 5 a.m. 2.5 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.09 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2019, 4 a.m. 4.8 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2019, 3 a.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.09 ppb (1) N/A 4.0 μg/m3 (17) 22.0
 
Sept. 19, 2019, 2 a.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.09 ppb (1) N/A 5.0 μg/m3 (21) 22.0
 
Sept. 19, 2019, 1 a.m. 2.0 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.08 ppb (1) N/A 5.0 μg/m3 (21) 24.0
 
Sept. 19, 2019, midnight 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.09 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2019, 11 p.m. 5.8 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2019, 10 p.m. 6.0 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 20.0
 
Sept. 18, 2019, 9 p.m. 7.7 ppb (7) 3.1 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.21 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2019, 8 p.m. 5.9 ppb (5) 2.3 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.27 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 18, 2019, 7 p.m. 5.0 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2019, 6 p.m. 4.6 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.17 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2019, 5 p.m. 7.9 ppb (7) 3.1 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (16) 0.21 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2019, 4 p.m. 17.6 ppb (16) 6.7 ppb (6) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 13.0 ppb (10) 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2019, 3 p.m. 16.9 ppb (16) 5.3 ppb (5) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 12.0 ppb (9) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 18, 2019, 2 p.m. 12.5 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 14.0 ppb (11) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2019, 1 p.m. 13.1 ppb (12) 1.9 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 13.0 ppb (10) 0.22 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2019, noon 5.8 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2019, 11 a.m. 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.13 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2019, 10 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
 
Sept. 18, 2019, 9 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 17.0
 
Sept. 18, 2019, 8 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) 0.11 ppb (1) N/A 2.0 μg/m3 (8) 19.0
 
Sept. 18, 2019, 7 a.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) 0.11 ppb (1) N/A 4.0 μg/m3 (17) 19.0
 
Sept. 18, 2019, 6 a.m. 4.5 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.11 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2019, 5 a.m. 4.7 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
Sept. 18, 2019, 4 a.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.11 ppb (1) N/A 2.0 μg/m3 (8) 19.0
 
Sept. 18, 2019, 3 a.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 2.0 μg/m3 (8) 20.0
 
Sept. 18, 2019, 2 a.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A -1.0 μg/m3 (0) 20.0
 
Sept. 18, 2019, 1 a.m. 3.9 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 20.0
 
Sept. 18, 2019, midnight 3.5 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.09 ppb (1) N/A 3.0 μg/m3 (12) 23.0
 
Sept. 17, 2019, 11 p.m. 5.7 ppb (5) 2.1 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 22.0
 
Sept. 17, 2019, 10 p.m. 5.4 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) 0.18 ppb (2) N/A 4.0 μg/m3 (17) 22.0
 
Sept. 17, 2019, 9 p.m. 6.7 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) 0.18 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2019, 8 p.m. 6.3 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) 0.17 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2019, 7 p.m. 11.6 ppb (11) 4.6 ppb (4) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 30.0 ppb (23) 0.18 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
Sept. 17, 2019, 6 p.m. 6.1 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 1.0 μg/m3 (4) 22.0
 
Sept. 17, 2019, 5 p.m. 4.3 ppb (4) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.09 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2019, 4 p.m. 5.5 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 3 p.m. 16.4 ppb (15) 8.1 ppb (8) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 12.0 ppb (9) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2019, 2 p.m. 24.1 ppb (22) 12.5 ppb (12) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 5.0 ppb (4) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 22.0
 
Sept. 17, 2019, 1 p.m. 16.5 ppb (15) 4.3 ppb (4) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 7.0 ppb (5) 0.34 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, noon 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.13 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2019, 11 a.m. 4.3 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 22.0 ppb (17) 0.09 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 10 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
 
Sept. 17, 2019, 9 a.m. 8.6 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (8) 0.17 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 17, 2019, 8 a.m. 5.0 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (13) 0.14 ppb (2) N/A 2.0 μg/m3 (8) 13.0
 
Sept. 17, 2019, 7 a.m. 4.4 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 17, 2019, 6 a.m. 5.4 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.09 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2019, 5 a.m. 5.0 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 4 a.m. 2.6 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2019, 3 a.m. 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.11 ppb (1) N/A 4.0 μg/m3 (17) 19.0
 
Sept. 17, 2019, 2 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 21.0
 
Sept. 17, 2019, 1 a.m. 1.9 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.09 ppb (1) N/A 3.0 μg/m3 (12) 21.0
 
Sept. 17, 2019, midnight 2.5 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.09 ppb (1) N/A 4.0 μg/m3 (17) 22.0
 
Sept. 16, 2019, 11 p.m. 3.7 ppb (3) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) N/A 3.0 μg/m3 (12) 23.0
 
Sept. 16, 2019, 10 p.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 23.0
 
Sept. 16, 2019, 9 p.m. 3.7 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) N/A 4.0 μg/m3 (17) 23.0
 
Sept. 16, 2019, 8 p.m. 3.8 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 23.0
 
Sept. 16, 2019, 7 p.m. 3.3 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.08 ppb (1) N/A 5.0 μg/m3 (21) 23.0
 
Sept. 16, 2019, 6 p.m. 4.2 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.08 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 5 p.m. 3.7 ppb (3) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.11 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 4 p.m. 10.1 ppb (9) 3.8 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.21 ppb (2) N/A 4.0 μg/m3 (17) 21.0
 
Sept. 16, 2019, 3 p.m. 14.8 ppb (14) 3.2 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 2 p.m. 9.9 ppb (9) 1.4 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (19) 0.18 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 1 p.m. 8.4 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, noon 6.3 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.11 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
Sept. 16, 2019, 11 a.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 10 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
 
Sept. 16, 2019, 9 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 8 a.m. 2.6 ppb (2) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 7 a.m. 4.0 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (15) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 6 a.m. 7.2 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 5 a.m. 6.4 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 14.0
 
Sept. 16, 2019, 4 a.m. 7.5 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, 3 a.m. 4.4 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2019, 2 a.m. 6.7 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2019, 1 a.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, midnight 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) 0.09 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 11 p.m. 4.4 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.15 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 15, 2019, 10 p.m. 4.6 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (27) 0.16 ppb (2) N/A 6.0 μg/m3 (25) 27.0
 
Sept. 15, 2019, 9 p.m. 4.5 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 8 p.m. 4.3 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.13 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 7 p.m. 5.7 ppb (5) 2.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 6 p.m. 4.5 ppb (4) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.19 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 15, 2019, 5 p.m. 6.0 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 4 p.m. 5.5 ppb (5) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 15, 2019, 3 p.m. 5.2 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.13 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 2 p.m. 4.2 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 19.0
 
Sept. 15, 2019, 1 p.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.09 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, noon 3.1 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.09 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 11 a.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.09 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 10 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
 
Sept. 15, 2019, 9 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 8 a.m. 3.3 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 7 a.m. 4.4 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) 0.13 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 6 a.m. 4.7 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 5 a.m. 6.6 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 4 a.m. 7.6 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.19 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 3 a.m. 10.7 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 2 a.m. 8.7 ppb (8) 2.1 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.23 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 1 a.m. 4.4 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, midnight 3.8 ppb (4) 1.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 11 p.m. 4.0 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.14 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 10 p.m. 4.7 ppb (4) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 9 p.m. 4.4 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.14 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 8 p.m. 6.7 ppb (6) 2.6 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.16 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 7 p.m. 7.6 ppb (7) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.19 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 6 p.m. 11.1 ppb (10) 4.5 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 5 p.m. 11.4 ppb (11) 4.9 ppb (5) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.22 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 4 p.m. 7.4 ppb (7) 2.9 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.16 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2019, 3 p.m. 9.0 ppb (8) 3.1 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.17 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 14, 2019, 2 p.m. 11.7 ppb (11) 3.2 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 14.0 ppb (11) 0.23 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 1 p.m. 6.8 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, noon 4.7 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) 0.12 ppb (1) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 11 a.m. 9.6 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 12.0 ppb (9) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 10 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
 
Sept. 14, 2019, 9 a.m. 8.9 ppb (8) 0.1 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (10) 0.16 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2019, 8 a.m. 9.7 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (10) 0.14 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 14, 2019, 7 a.m. 7.0 ppb (6) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.15 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2019, 6 a.m. 7.6 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.14 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2019, 5 a.m. 14.6 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 12.0 ppb (9) 0.18 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 4 a.m. 28.7 ppb (27) 3.0 ppb (3) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 5.0 ppb (4) 0.37 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 14, 2019, 3 a.m. 27.0 ppb (25) 3.3 ppb (3) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 14.0 ppb (11) 0.48 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2019, 2 a.m. 17.4 ppb (16) 1.5 ppb (1) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 31.0 ppb (24) 0.42 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 14, 2019, 1 a.m. 16.8 ppb (16) 2.2 ppb (2) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 37.0 ppb (28) 0.26 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, midnight 16.7 ppb (15) 2.5 ppb (2) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 49.0 ppb (38) 0.29 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 13, 2019, 11 p.m. 8.1 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 69.0 ppb (53) 0.28 ppb (3) N/A 13.0 μg/m3 (52) 53.0
 
Sept. 13, 2019, 10 p.m. 3.6 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 62.0 ppb (48) 0.09 ppb (1) N/A 6.0 μg/m3 (25) 48.0
 
Sept. 13, 2019, 9 p.m. 4.3 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 75.0 ppb (58) 0.14 ppb (2) N/A 10.0 μg/m3 (42) 58.0
 
Sept. 13, 2019, 8 p.m. 9.6 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A 2.0 ppb (3) 71.0 ppb (55) 0.2 ppb (2) N/A 13.0 μg/m3 (52) 55.0
 
Sept. 13, 2019, 7 p.m. 13.6 ppb (13) 2.1 ppb (2) N/A 12.0 ppb (11) N/A 4.0 ppb (6) 53.0 ppb (41) 0.2 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2019, 6 p.m. 9.6 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A 2.0 ppb (3) 44.0 ppb (34) 0.18 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2019, 5 p.m. 14.4 ppb (13) 4.2 ppb (4) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 27.0 ppb (21) 0.24 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2019, 4 p.m. 22.0 ppb (20) 8.8 ppb (8) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 15.0 ppb (12) 0.29 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2019, 3 p.m. 29.3 ppb (27) 12.9 ppb (12) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 10.0 ppb (8) 0.41 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2019, 2 p.m. 40.5 ppb (38) 17.9 ppb (17) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 6.0 ppb (5) 0.61 ppb (7) N/A 8.0 μg/m3 (33) 38.0
 
Sept. 13, 2019, 1 p.m. 26.7 ppb (25) 7.9 ppb (7) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 7.0 ppb (5) 0.44 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2019, noon 14.5 ppb (13) 3.3 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 14.0 ppb (11) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2019, 11 a.m. 6.4 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 10 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
 
Sept. 13, 2019, 9 a.m. 8.4 ppb (8) 0.1 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2019, 8 a.m. 9.9 ppb (9) 0.3 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (12) 0.22 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2019, 7 a.m. 10.1 ppb (9) 0.4 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 17.0 ppb (13) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2019, 6 a.m. 11.0 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (15) 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2019, 5 a.m. 18.2 ppb (17) 1.6 ppb (1) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 15.0 ppb (12) 0.38 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2019, 4 a.m. 28.3 ppb (26) 3.4 ppb (3) N/A 25.0 ppb (23) N/A 1.0 ppb (1) 9.0 ppb (7) 0.53 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2019, 3 a.m. 44.3 ppb (41) 14.7 ppb (14) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 2.0 ppb (2) 0.81 ppb (9) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 13, 2019, 2 a.m. 28.5 ppb (26) 3.6 ppb (3) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 10.0 ppb (8) 0.51 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2019, 1 a.m. 15.5 ppb (14) 2.6 ppb (2) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 29.0 ppb (22) 0.32 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2019, midnight 15.0 ppb (14) 2.8 ppb (3) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 48.0 ppb (37) 0.29 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2019, 11 p.m. 4.6 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 70.0 ppb (54) 0.14 ppb (2) N/A 12.0 μg/m3 (50) 54.0
 
Sept. 12, 2019, 10 p.m. 5.6 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 59.0 ppb (45) 0.14 ppb (2) N/A 8.0 μg/m3 (33) 45.0
 
Sept. 12, 2019, 9 p.m. 7.3 ppb (7) 1.1 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 50.0 ppb (38) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 38.0
 
Sept. 12, 2019, 8 p.m. 8.1 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.13 ppb (1) N/A 6.0 μg/m3 (25) 31.0
 
Sept. 12, 2019, 7 p.m. 8.7 ppb (8) 2.1 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.15 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 12, 2019, 6 p.m. 13.2 ppb (12) 3.7 ppb (3) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 30.0 ppb (23) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 5 p.m. 13.0 ppb (12) 4.4 ppb (4) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 18.0
 
Sept. 12, 2019, 4 p.m. 18.3 ppb (17) 7.5 ppb (7) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 15.0 ppb (12) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 17.0