AQSQID: 450790007

Site Name: Parklane

Location: Richland Co, SC

Reporting: True, Located: True

Current AQI: 46.0

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
May 25, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 60.0 ppb (46) 0.21 ppb (2) N/A 10.6 μg/m3 (44) 46.0
 
May 25, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) 0.23 ppb (3) N/A 16.2 μg/m3 (59) 59.0
 
May 25, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 67.0 ppb (52) 0.27 ppb (3) N/A 21.7 μg/m3 (71) 71.0
 
May 25, 2019, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 59.0 ppb (45) 0.28 ppb (3) N/A 21.2 μg/m3 (70) 70.0
 
May 25, 2019, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 46.0 ppb (35) 0.32 ppb (4) N/A 20.1 μg/m3 (67) 67.0
 
May 25, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.29 ppb (3) N/A 21.7 μg/m3 (71) 71.0
 
May 25, 2019, 11 a.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 19.4 μg/m3 (66) 66.0
 
May 25, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (2) 0.33 ppb (4) N/A 18.3 μg/m3 (63) 63.0
 
May 25, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.33 ppb (4) N/A 17.4 μg/m3 (61) 61.0
 
May 25, 2019, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 2.0 ppb (2) 0.33 ppb (4) N/A 17.8 μg/m3 (62) 62.0
 
May 25, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (3) 0.34 ppb (4) N/A 16.9 μg/m3 (60) 60.0
 
May 25, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 6.0 ppb (5) 0.36 ppb (4) N/A 16.2 μg/m3 (59) 59.0
 
May 25, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.36 ppb (4) N/A 15.6 μg/m3 (58) 58.0
 
May 25, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 14.0 ppb (11) 0.44 ppb (5) N/A 15.4 μg/m3 (57) 57.0
 
May 25, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.35 ppb (4) N/A 13.1 μg/m3 (52) 52.0
 
May 25, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.24 ppb (3) N/A 13.2 μg/m3 (53) 53.0
 
May 25, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.25 ppb (3) N/A 12.3 μg/m3 (51) 51.0
 
May 24, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.23 ppb (3) N/A 12.7 μg/m3 (51) 51.0
 
May 24, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.22 ppb (2) N/A 14.5 μg/m3 (55) 55.0
 
May 24, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.23 ppb (3) N/A 14.4 μg/m3 (55) 55.0
 
May 24, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.22 ppb (2) N/A 13.4 μg/m3 (53) 53.0
 
May 24, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.22 ppb (2) N/A N/A 41.0
 
May 24, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.21 ppb (2) N/A N/A 38.0
 
May 24, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.21 ppb (2) N/A 14.9 μg/m3 (56) 56.0
 
May 24, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.2 ppb (2) N/A 13.4 μg/m3 (53) 53.0
 
May 24, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.19 ppb (2) N/A 11.9 μg/m3 (50) 50.0
 
May 24, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.18 ppb (2) N/A 9.8 μg/m3 (41) 41.0
 
May 24, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.18 ppb (2) N/A 9.7 μg/m3 (40) 40.0
 
May 24, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.19 ppb (2) N/A 10.2 μg/m3 (42) 42.0
 
May 24, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.19 ppb (2) N/A 10.3 μg/m3 (43) 43.0
 
May 24, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.18 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 24, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.17 ppb (2) N/A 8.3 μg/m3 (35) 35.0
 
May 24, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.16 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
May 24, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.16 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
May 24, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.17 ppb (2) N/A 9.1 μg/m3 (38) 38.0
 
May 24, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.17 ppb (2) N/A 8.4 μg/m3 (35) 35.0
 
May 24, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.19 ppb (2) N/A 13.7 μg/m3 (54) 54.0
 
May 24, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.23 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
May 24, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.21 ppb (2) N/A 12.9 μg/m3 (52) 52.0
 
May 24, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A 12.7 μg/m3 (51) 51.0
 
May 23, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.19 ppb (2) N/A 13.9 μg/m3 (54) 54.0
 
May 23, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) 0.19 ppb (2) N/A 12.4 μg/m3 (51) 51.0
 
May 23, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) 0.18 ppb (2) N/A 10.5 μg/m3 (44) 45.0
 
May 23, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) N/A N/A 10.7 μg/m3 (45) 45.0
 
May 23, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) N/A N/A 9.8 μg/m3 (41) 42.0
 
May 23, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) N/A N/A 10.5 μg/m3 (44) 44.0
 
May 23, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) N/A N/A 9.8 μg/m3 (41) 43.0
 
May 23, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) N/A N/A 9.4 μg/m3 (39) 42.0
 
May 23, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 12.4 μg/m3 (51) 51.0
 
May 23, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.0 ppb (0) N/A 12.0 μg/m3 (50) 50.0
 
May 23, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.0 ppb (0) N/A 12.5 μg/m3 (51) 51.0
 
May 23, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.0 ppb (0) N/A 11.1 μg/m3 (46) 46.0
 
May 23, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.0 ppb (0) N/A 11.3 μg/m3 (47) 47.0
 
May 23, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.0 ppb (0) N/A 9.9 μg/m3 (41) 41.0
 
May 23, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.0 ppb (0) N/A 9.7 μg/m3 (40) 40.0
 
May 23, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.0 ppb (0) N/A 7.9 μg/m3 (33) 33.0
 
May 23, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.0 ppb (0) N/A 7.1 μg/m3 (30) 30.0
 
May 23, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.0 ppb (0) N/A 8.5 μg/m3 (35) 35.0
 
May 23, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.0 ppb (0) N/A 8.0 μg/m3 (33) 33.0
 
May 23, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 44.0 ppb (34) 0.0 ppb (0) N/A 11.1 μg/m3 (46) 46.0
 
May 23, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 45.0 ppb (35) 0.0 ppb (0) N/A 11.1 μg/m3 (46) 46.0
 
May 23, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 44.0 ppb (34) 0.0 ppb (0) N/A 12.9 μg/m3 (52) 52.0
 
May 23, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.0 ppb (0) N/A 15.4 μg/m3 (57) 57.0
 
May 22, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.0 ppb (0) N/A 17.2 μg/m3 (61) 61.0
 
May 22, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.06 ppb (1) N/A 21.8 μg/m3 (71) 71.0
 
May 22, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.09 ppb (1) N/A 29.6 μg/m3 (87) 87.0
 
May 22, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) 0.1 ppb (1) N/A 17.8 μg/m3 (62) 62.0
 
May 22, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.06 ppb (1) N/A 13.3 μg/m3 (53) 53.0
 
May 22, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.05 ppb (1) N/A 14.4 μg/m3 (55) 55.0
 
May 22, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.07 ppb (1) N/A 20.0 μg/m3 (67) 67.0
 
May 22, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.07 ppb (1) N/A 16.5 μg/m3 (60) 60.0
 
May 22, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.05 ppb (1) N/A 13.3 μg/m3 (53) 53.0
 
May 22, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) 0.05 ppb (1) N/A 14.1 μg/m3 (54) 54.0
 
May 22, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.07 ppb (1) N/A 18.7 μg/m3 (64) 64.0
 
May 22, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) N/A 18.1 μg/m3 (63) 63.0
 
May 22, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.14 ppb (2) N/A 20.1 μg/m3 (67) 67.0
 
May 22, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.12 ppb (1) N/A 21.4 μg/m3 (70) 70.0
 
May 22, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.11 ppb (1) N/A 19.9 μg/m3 (67) 67.0
 
May 22, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.14 ppb (2) N/A 21.0 μg/m3 (69) 69.0
 
May 22, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.14 ppb (2) N/A 19.5 μg/m3 (66) 66.0
 
May 22, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.14 ppb (2) N/A 17.3 μg/m3 (61) 61.0
 
May 22, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.16 ppb (2) N/A 16.3 μg/m3 (59) 59.0
 
May 22, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) N/A 17.4 μg/m3 (61) 61.0
 
May 22, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.27 ppb (3) N/A 19.2 μg/m3 (65) 65.0
 
May 22, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.32 ppb (4) N/A 15.2 μg/m3 (57) 57.0
 
May 22, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.27 ppb (3) N/A 10.8 μg/m3 (45) 45.0
 
May 21, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 61.0 ppb (47) 0.15 ppb (2) N/A 9.7 μg/m3 (40) 47.0
 
May 21, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 71.0 ppb (55) 0.11 ppb (1) N/A 9.0 μg/m3 (38) 55.0
 
May 21, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 75.0 ppb (58) 0.1 ppb (1) N/A 6.8 μg/m3 (28) 58.0
 
May 21, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 72.0 ppb (56) 0.09 ppb (1) N/A 7.2 μg/m3 (30) 56.0
 
May 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 70.0 ppb (54) 0.09 ppb (1) N/A 7.6 μg/m3 (32) 54.0
 
May 21, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 68.0 ppb (52) 0.07 ppb (1) N/A 6.9 μg/m3 (29) 52.0
 
May 21, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 68.0 ppb (52) 0.03 ppb (0) N/A 10.3 μg/m3 (43) 52.0
 
May 21, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 68.0 ppb (52) 0.04 ppb (0) N/A 12.3 μg/m3 (51) 52.0
 
May 21, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 62.0 ppb (48) 0.06 ppb (1) N/A 11.5 μg/m3 (48) 48.0
 
May 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 54.0 ppb (42) 0.07 ppb (1) N/A 14.4 μg/m3 (55) 55.0
 
May 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.08 ppb (1) N/A 14.5 μg/m3 (55) 55.0
 
May 21, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 15.5 μg/m3 (57) 57.0
 
May 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 14.8 μg/m3 (56) 56.0
 
May 21, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 13.1 μg/m3 (52) 52.0
 
May 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 12.5 μg/m3 (51) 51.0
 
May 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 12.1 μg/m3 (50) 50.0
 
May 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 10.9 μg/m3 (45) 45.0
 
May 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 11.5 μg/m3 (48) 48.0
 
May 21, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 12.5 μg/m3 (51) 51.0
 
May 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 13.3 μg/m3 (53) 53.0
 
May 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 14.5 μg/m3 (55) 55.0
 
May 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 15.6 μg/m3 (58) 58.0
 
May 21, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 14.3 μg/m3 (55) 55.0
 
May 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A N/A 14.9 μg/m3 (56) 56.0
 
May 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) N/A N/A 10.7 μg/m3 (45) 45.0
 
May 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) N/A N/A 9.5 μg/m3 (40) 40.0
 
May 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) N/A N/A 6.7 μg/m3 (28) 42.0
 
May 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) N/A N/A 5.6 μg/m3 (23) 45.0
 
May 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) N/A N/A 19.5 μg/m3 (66) 66.0
 
May 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) N/A N/A N/A 44.0
 
May 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A N/A N/A 41.0
 
May 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A N/A 35.0
 
May 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 20.5 μg/m3 (68) 68.0
 
May 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A -3.9 μg/m3 (0) 25.0
 
May 20, 2019, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 16.5 μg/m3 (60) 60.0
 
May 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 25.6 μg/m3 (79) 79.0
 
May 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 26.0 μg/m3 (80) 80.0
 
May 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 29.8 μg/m3 (88) 88.0
 
May 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 36.2 μg/m3 (102) 102.0
 
May 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 43.3 μg/m3 (120) 120.0
 
May 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 47.7 μg/m3 (130) 130.0
 
May 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 48.9 μg/m3 (134) 134.0
 
May 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.67 ppb (7) N/A 49.5 μg/m3 (135) 135.0
 
May 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.87 ppb (10) N/A 45.4 μg/m3 (125) 125.0
 
May 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 1.1 ppb (12) N/A 33.9 μg/m3 (97) 97.0
 
May 20, 2019, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 26.1 μg/m3 (80) 80.0
 
May 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 16.6 μg/m3 (60) 60.0
 
May 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 4.4 μg/m3 (18) 35.0
 
May 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 1.76 ppb (20) N/A N/A 35.0
 
May 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
May 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 1.98 ppb (22) N/A N/A 34.0
 
May 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
May 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A N/A 37.0
 
May 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 1.53 ppb (17) N/A N/A 36.0
 
May 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
May 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.96 ppb (11) N/A N/A 33.0
 
May 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
May 19, 2019, noon N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.58 ppb (6) N/A 12.1 μg/m3 (50) 50.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.73 ppb (8) N/A 22.1 μg/m3 (71) 71.0
 
May 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.8 ppb (9) N/A 16.9 μg/m3 (60) 60.0
 
May 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.84 ppb (9) N/A 11.9 μg/m3 (50) 50.0
 
May 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.94 ppb (10) N/A 4.7 μg/m3 (20) 33.0
 
May 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 1.02 ppb (11) N/A N/A 32.0
 
May 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.96 ppb (11) N/A N/A 33.0
 
May 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.85 ppb (9) N/A N/A 32.0
 
May 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.81 ppb (9) N/A N/A 27.0
 
May 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.77 ppb (9) N/A N/A 28.0
 
May 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.69 ppb (8) N/A 7.7 μg/m3 (32) 32.0
 
May 19, 2019, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.31 ppb (3) N/A 22.1 μg/m3 (71) 71.0
 
May 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.17 ppb (2) N/A 16.2 μg/m3 (59) 59.0
 
May 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.13 ppb (1) N/A 12.3 μg/m3 (51) 51.0
 
May 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.14 ppb (2) N/A 10.2 μg/m3 (42) 43.0
 
May 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 62.0 ppb (48) 0.07 ppb (1) N/A 9.7 μg/m3 (40) 48.0
 
May 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 68.0 ppb (52) 0.07 ppb (1) N/A 12.0 μg/m3 (50) 52.0
 
May 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 68.0 ppb (52) 0.09 ppb (1) N/A 11.3 μg/m3 (47) 52.0
 
May 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) 0.07 ppb (1) N/A 10.3 μg/m3 (43) 46.0
 
May 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) 0.08 ppb (1) N/A 14.2 μg/m3 (55) 55.0
 
May 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 64.0 ppb (49) 0.12 ppb (1) N/A 16.4 μg/m3 (59) 59.0
 
May 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 52.0 ppb (40) 0.13 ppb (1) N/A 17.5 μg/m3 (62) 62.0
 
May 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) N/A 17.1 μg/m3 (61) 61.0
 
May 18, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.14 ppb (2) N/A 15.3 μg/m3 (57) 57.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (5) 0.23 ppb (3) N/A 17.5 μg/m3 (62) 62.0