AQSQID: 450790007

Site Name: Parklane

Location: Richland Co, SC

Reporting: True, Located: True

Current AQI: 27.0

Richland Co SC, US: 34.093899, -80.962196

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 23, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.12 ppb (1) N/A -0.5 μg/m3 (0) 27.0
 
Jan. 23, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) N/A -2.1 μg/m3 (0) 28.0
 
Jan. 23, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.12 ppb (1) N/A 0.4 μg/m3 (2) 27.0
 
Jan. 23, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.13 ppb (1) N/A 1.6 μg/m3 (7) 23.0
 
Jan. 23, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 22.0
 
Jan. 23, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.15 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
Jan. 23, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.13 ppb (1) N/A 4.4 μg/m3 (18) 18.0
 
Jan. 23, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.14 ppb (2) N/A 5.1 μg/m3 (21) 21.0
 
Jan. 23, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.11 ppb (1) N/A 3.8 μg/m3 (16) 19.0
 
Jan. 23, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A 3.2 μg/m3 (13) 19.0
 
Jan. 23, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.09 ppb (1) N/A 4.2 μg/m3 (18) 22.0
 
Jan. 23, 2019, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 31.0 ppb (24) 0.09 ppb (1) N/A 2.3 μg/m3 (10) 24.0
 
Jan. 23, 2019, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 32.0 ppb (25) 0.08 ppb (1) N/A 3.8 μg/m3 (16) 25.0
 
Jan. 23, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.08 ppb (1) N/A 2.4 μg/m3 (10) 25.0
 
Jan. 23, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.08 ppb (1) N/A 3.0 μg/m3 (12) 26.0
 
Jan. 23, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.08 ppb (1) N/A 3.6 μg/m3 (15) 28.0
 
Jan. 23, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.08 ppb (1) N/A 3.5 μg/m3 (15) 28.0
 
Jan. 23, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.08 ppb (1) N/A 3.6 μg/m3 (15) 28.0
 
Jan. 23, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.09 ppb (1) N/A 2.9 μg/m3 (12) 28.0
 
Jan. 23, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.1 ppb (1) N/A 4.3 μg/m3 (18) 27.0
 
Jan. 22, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) N/A 2.6 μg/m3 (11) 28.0
 
Jan. 22, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) N/A 0.6 μg/m3 (2) 28.0
 
Jan. 22, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.09 ppb (1) N/A N/A 30.0
 
Jan. 22, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.08 ppb (1) N/A -0.9 μg/m3 (0) 32.0
 
Jan. 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.08 ppb (1) N/A N/A 32.0
 
Jan. 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.09 ppb (1) N/A 3.0 μg/m3 (12) 32.0
 
Jan. 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.07 ppb (1) N/A 1.3 μg/m3 (5) 27.0
 
Jan. 22, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.07 ppb (1) N/A 2.4 μg/m3 (10) 10.0
 
Jan. 22, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.07 ppb (1) N/A 3.5 μg/m3 (15) 15.0
 
Jan. 22, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.1 ppb (1) N/A 5.4 μg/m3 (23) 25.0
 
Jan. 22, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.19 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (3) 0.24 ppb (3) N/A 7.5 μg/m3 (31) 31.0
 
Jan. 22, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.12 ppb (1) N/A 6.1 μg/m3 (25) 25.0
 
Jan. 22, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.09 ppb (1) N/A 5.1 μg/m3 (21) 21.0
 
Jan. 22, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.08 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.07 ppb (1) N/A 4.4 μg/m3 (18) 23.0
 
Jan. 22, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.08 ppb (1) N/A 4.9 μg/m3 (20) 24.0
 
Jan. 22, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.08 ppb (1) N/A 5.6 μg/m3 (23) 25.0
 
Jan. 22, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.08 ppb (1) N/A 4.3 μg/m3 (18) 25.0
 
Jan. 22, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.09 ppb (1) N/A 4.8 μg/m3 (20) 25.0
 
Jan. 22, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A 8.2 μg/m3 (34) 34.0
 
Jan. 22, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.17 ppb (2) N/A 9.1 μg/m3 (38) 38.0
 
Jan. 22, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 21, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.16 ppb (2) N/A 3.4 μg/m3 (14) 18.0
 
Jan. 21, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 1.3 μg/m3 (5) 25.0
 
Jan. 21, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.09 ppb (1) N/A 1.4 μg/m3 (6) 28.0
 
Jan. 21, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.07 ppb (1) N/A 2.4 μg/m3 (10) 29.0
 
Jan. 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.07 ppb (1) N/A -0.2 μg/m3 (0) 29.0
 
Jan. 21, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.07 ppb (1) N/A -2.2 μg/m3 (0) 28.0
 
Jan. 21, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.05 ppb (1) N/A -0.9 μg/m3 (0) 29.0
 
Jan. 21, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.05 ppb (1) N/A 4.0 μg/m3 (17) 29.0
 
Jan. 21, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.06 ppb (1) N/A 3.9 μg/m3 (16) 28.0
 
Jan. 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.06 ppb (1) N/A 5.2 μg/m3 (22) 28.0
 
Jan. 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.08 ppb (1) N/A 5.8 μg/m3 (24) 24.0
 
Jan. 21, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.12 ppb (1) N/A 4.2 μg/m3 (18) 18.0
 
Jan. 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.09 ppb (1) N/A 4.4 μg/m3 (18) 18.0
 
Jan. 21, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.06 ppb (1) N/A 3.1 μg/m3 (13) 23.0
 
Jan. 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.05 ppb (1) N/A 3.6 μg/m3 (15) 25.0
 
Jan. 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.04 ppb (0) N/A 4.1 μg/m3 (17) 25.0
 
Jan. 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.05 ppb (1) N/A 1.6 μg/m3 (7) 23.0
 
Jan. 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.05 ppb (1) N/A 2.1 μg/m3 (9) 26.0
 
Jan. 21, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.04 ppb (0) N/A 4.6 μg/m3 (19) 28.0
 
Jan. 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.04 ppb (0) N/A 6.0 μg/m3 (25) 29.0
 
Jan. 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.04 ppb (0) N/A 3.8 μg/m3 (16) 29.0
 
Jan. 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.04 ppb (0) N/A 3.9 μg/m3 (16) 29.0
 
Jan. 21, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.04 ppb (0) N/A 6.1 μg/m3 (25) 29.0
 
Jan. 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.06 ppb (1) N/A 6.0 μg/m3 (25) 28.0
 
Jan. 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.07 ppb (1) N/A 5.6 μg/m3 (23) 28.0
 
Jan. 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.07 ppb (1) N/A 8.2 μg/m3 (34) 34.0
 
Jan. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.08 ppb (1) N/A 5.5 μg/m3 (23) 28.0
 
Jan. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.09 ppb (1) N/A 3.4 μg/m3 (14) 26.0
 
Jan. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.08 ppb (1) N/A 2.1 μg/m3 (9) 24.0
 
Jan. 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.09 ppb (1) N/A -0.3 μg/m3 (0) 22.0
 
Jan. 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.09 ppb (1) N/A 1.1 μg/m3 (5) 16.0
 
Jan. 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.09 ppb (1) N/A 2.3 μg/m3 (10) 14.0
 
Jan. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.1 ppb (1) N/A 2.3 μg/m3 (10) 12.0
 
Jan. 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 12.0
 
Jan. 20, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.09 ppb (1) N/A 3.5 μg/m3 (15) 15.0
 
Jan. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.06 ppb (1) N/A 2.9 μg/m3 (12) 23.0
 
Jan. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.05 ppb (1) N/A 1.0 μg/m3 (4) 25.0
 
Jan. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.05 ppb (1) N/A 1.9 μg/m3 (8) 27.0
 
Jan. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.05 ppb (1) N/A 2.0 μg/m3 (8) 30.0
 
Jan. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.05 ppb (1) N/A 2.9 μg/m3 (12) 30.0
 
Jan. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.06 ppb (1) N/A -2.2 μg/m3 (0) 32.0
 
Jan. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.07 ppb (1) N/A 6.5 μg/m3 (27) 33.0
 
Jan. 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) N/A 5.1 μg/m3 (21) 38.0
 
Jan. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.11 ppb (1) N/A 4.2 μg/m3 (18) 40.0
 
Jan. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.11 ppb (1) N/A 4.6 μg/m3 (19) 41.0
 
Jan. 20, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.12 ppb (1) N/A 2.8 μg/m3 (12) 35.0
 
Jan. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.13 ppb (1) N/A 1.2 μg/m3 (5) 29.0
 
Jan. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.12 ppb (1) N/A 0.8 μg/m3 (3) 27.0
 
Jan. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) N/A 3.1 μg/m3 (13) 24.0
 
Jan. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) N/A 6.1 μg/m3 (25) 25.0
 
Jan. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.13 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.13 ppb (1) N/A 7.8 μg/m3 (32) 32.0
 
Jan. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.15 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
Jan. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.15 ppb (2) N/A 12.7 μg/m3 (51) 51.0
 
Jan. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 13.0 ppb (10) 0.16 ppb (2) N/A 15.6 μg/m3 (58) 58.0
 
Jan. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.15 ppb (2) N/A 13.3 μg/m3 (53) 53.0
 
Jan. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.13 ppb (1) N/A 11.9 μg/m3 (50) 50.0
 
Jan. 19, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.11 ppb (1) N/A 9.7 μg/m3 (40) 40.0
 
Jan. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.1 ppb (1) N/A 8.5 μg/m3 (35) 35.0
 
Jan. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.1 ppb (1) N/A 9.6 μg/m3 (40) 40.0
 
Jan. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.1 ppb (1) N/A 8.1 μg/m3 (34) 34.0
 
Jan. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.11 ppb (1) N/A 8.1 μg/m3 (34) 34.0
 
Jan. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.11 ppb (1) N/A 8.4 μg/m3 (35) 35.0
 
Jan. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.12 ppb (1) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.14 ppb (2) N/A 8.5 μg/m3 (35) 35.0
 
Jan. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.15 ppb (2) N/A 9.1 μg/m3 (38) 38.0
 
Jan. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.14 ppb (2) N/A 11.7 μg/m3 (49) 49.0
 
Jan. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.15 ppb (2) N/A 10.8 μg/m3 (45) 45.0
 
Jan. 19, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.16 ppb (2) N/A 7.5 μg/m3 (31) 31.0
 
Jan. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.17 ppb (2) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.19 ppb (2) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.16 ppb (2) N/A 7.5 μg/m3 (31) 31.0
 
Jan. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.13 ppb (1) N/A 9.2 μg/m3 (38) 38.0
 
Jan. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.13 ppb (1) N/A 8.6 μg/m3 (36) 36.0
 
Jan. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.13 ppb (1) N/A 7.3 μg/m3 (30) 30.0
 
Jan. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) N/A 8.3 μg/m3 (35) 35.0
 
Jan. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) N/A 10.1 μg/m3 (42) 42.0
 
Jan. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.13 ppb (1) N/A 12.8 μg/m3 (52) 52.0
 
Jan. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.17 ppb (2) N/A 14.4 μg/m3 (55) 55.0
 
Jan. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (2) 0.27 ppb (3) N/A 12.2 μg/m3 (50) 50.0
 
Jan. 18, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.25 ppb (3) N/A 13.2 μg/m3 (53) 53.0
 
Jan. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.23 ppb (3) N/A 10.8 μg/m3 (45) 45.0
 
Jan. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (4) 0.16 ppb (2) N/A 10.3 μg/m3 (43) 43.0
 
Jan. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (6) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.16 ppb (2) N/A 11.3 μg/m3 (47) 47.0
 
Jan. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.18 ppb (2) N/A 14.6 μg/m3 (56) 56.0
 
Jan. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (5) 0.24 ppb (3) N/A 15.3 μg/m3 (57) 57.0
 
Jan. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.27 ppb (3) N/A 12.1 μg/m3 (50) 50.0
 
Jan. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (3) 0.25 ppb (3) N/A 14.4 μg/m3 (55) 55.0
 
Jan. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (3) 0.3 ppb (3) N/A 18.9 μg/m3 (65) 65.0
 
Jan. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (5) 0.29 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 18, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.23 ppb (3) N/A 14.4 μg/m3 (55) 55.0
 
Jan. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.45 ppb (5) N/A 13.1 μg/m3 (52) 52.0
 
Jan. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (4) 0.47 ppb (5) N/A 9.4 μg/m3 (39) 39.0
 
Jan. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.18 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.13 ppb (1) N/A 7.2 μg/m3 (30) 30.0
 
Jan. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.12 ppb (1) N/A 7.2 μg/m3 (30) 30.0
 
Jan. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.13 ppb (1) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) 0.14 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 20.0 ppb (15) 0.12 ppb (1) N/A 9.1 μg/m3 (38) 38.0
 
Jan. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 20.0 ppb (15) 0.11 ppb (1) N/A 6.5 μg/m3 (27) 27.0
 
Jan. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) 0.12 ppb (1) N/A 7.3 μg/m3 (30) 30.0
 
Jan. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.12 ppb (1) N/A 8.3 μg/m3 (35) 35.0
 
Jan. 17, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.12 ppb (1) N/A 9.3 μg/m3 (39) 39.0
 
Jan. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.1 ppb (1) N/A 9.6 μg/m3 (40) 40.0
 
Jan. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.12 ppb (1) N/A 9.2 μg/m3 (38) 38.0
 
Jan. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (2) 0.25 ppb (3) N/A 12.3 μg/m3 (51) 51.0
 
Jan. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 0.0 ppb (0) 0.45 ppb (5) N/A 11.5 μg/m3 (48) 48.0
 
Jan. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 0.0 ppb (0) 0.44 ppb (5) N/A 10.4 μg/m3 (43) 43.0
 
Jan. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 0.0 ppb (0) 0.53 ppb (6) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 0.0 ppb (0) 0.45 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.28 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
Jan. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.11 ppb (1) N/A 5.2 μg/m3 (22) 26.0
 
Jan. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.09 ppb (1) N/A 3.9 μg/m3 (16) 29.0
 
Jan. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.09 ppb (1) N/A 3.7 μg/m3 (15) 31.0
 
Jan. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 31.0
 
Jan. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) N/A 4.3 μg/m3 (18) 28.0
 
Jan. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.19 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.15 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
Jan. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) N/A 21.3 μg/m3 (70) 70.0
 
Jan. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.34 ppb (4) N/A 18.2 μg/m3 (63) 63.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (1) 0.7 ppb (8) N/A 12.5 μg/m3 (51) 51.0
 
Jan. 16, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 1.0 ppb (1) 0.52 ppb (6) N/A 12.3 μg/m3 (51) 51.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.39 ppb (4) N/A 12.3 μg/m3 (51) 51.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 0.0 ppb (0) 0.57 ppb (6) N/A 11.5 μg/m3 (48) 48.0