AQSQID: 450370001

Site Name: Trenton

Location: Edgefield Co, SC

Reporting: True, Located: True

Current AQI: 34.0

Edgefield Co SC, US: 33.7397, -81.8536

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 7.6 μg/m3 (32) 34.0
 
March 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 7.4 μg/m3 (31) 31.0
 
March 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 24, 2019, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 6.6 μg/m3 (28) 30.0
 
March 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 5.4 μg/m3 (23) 33.0
 
March 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 3.9 μg/m3 (16) 45.0
 
March 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 4.6 μg/m3 (19) 45.0
 
March 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 3.7 μg/m3 (15) 45.0
 
March 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 4.1 μg/m3 (17) 45.0
 
March 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 4.9 μg/m3 (20) 45.0
 
March 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 5.1 μg/m3 (21) 44.0
 
March 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 5.3 μg/m3 (22) 43.0
 
March 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 6.1 μg/m3 (25) 41.0
 
March 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 5.4 μg/m3 (23) 38.0
 
March 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 7.8 μg/m3 (32) 35.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 7.6 μg/m3 (32) 32.0
 
March 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 8.4 μg/m3 (35) 35.0
 
March 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 10.8 μg/m3 (45) 45.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 14.7 μg/m3 (56) 56.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 15.6 μg/m3 (58) 58.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 14.0 μg/m3 (54) 54.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 20.3 μg/m3 (68) 68.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 35.4 μg/m3 (100) 100.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 34.4 μg/m3 (98) 98.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 38.4 μg/m3 (107) 107.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 13.6 μg/m3 (53) 53.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 8.4 μg/m3 (35) 44.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 16.9 μg/m3 (60) 60.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 17.6 μg/m3 (62) 62.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 26.0 μg/m3 (80) 80.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 20.1 μg/m3 (67) 67.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 12.5 μg/m3 (51) 51.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 5.4 μg/m3 (23) 39.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 6.4 μg/m3 (27) 35.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 6.4 μg/m3 (27) 34.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 8.1 μg/m3 (34) 34.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 8.4 μg/m3 (35) 35.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 7.6 μg/m3 (32) 32.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 5.9 μg/m3 (25) 26.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 6.1 μg/m3 (25) 28.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 7.1 μg/m3 (30) 30.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 6.6 μg/m3 (28) 28.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 6.3 μg/m3 (26) 27.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 7.8 μg/m3 (32) 32.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 9.1 μg/m3 (38) 38.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 7.4 μg/m3 (31) 31.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 7.4 μg/m3 (31) 37.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 14.0 μg/m3 (54) 54.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 19.6 μg/m3 (66) 66.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 22.3 μg/m3 (72) 72.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (52) N/A N/A 27.1 μg/m3 (82) 82.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 24.6 μg/m3 (77) 77.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 22.3 μg/m3 (72) 72.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) N/A N/A 18.4 μg/m3 (64) 64.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (51) N/A N/A 17.4 μg/m3 (61) 61.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) N/A N/A 21.1 μg/m3 (69) 69.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (48) N/A N/A 25.7 μg/m3 (79) 79.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 20.1 μg/m3 (67) 67.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 16.2 μg/m3 (59) 59.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 11.8 μg/m3 (49) 49.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 13.3 μg/m3 (53) 53.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 13.8 μg/m3 (54) 54.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 13.3 μg/m3 (53) 53.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 12.0 μg/m3 (50) 50.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 7.4 μg/m3 (31) 31.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 7.1 μg/m3 (30) 30.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 7.1 μg/m3 (30) 30.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 8.1 μg/m3 (34) 34.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 8.1 μg/m3 (34) 34.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 8.6 μg/m3 (36) 36.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 9.6 μg/m3 (40) 40.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 9.1 μg/m3 (38) 38.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 8.4 μg/m3 (35) 39.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 10.5 μg/m3 (44) 44.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 7.4 μg/m3 (31) 46.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 4.4 μg/m3 (18) 46.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 3.9 μg/m3 (16) 44.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 3.7 μg/m3 (15) 42.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 4.6 μg/m3 (19) 42.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 4.9 μg/m3 (20) 40.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 6.6 μg/m3 (28) 38.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 7.9 μg/m3 (33) 35.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 11.3 μg/m3 (47) 47.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 11.5 μg/m3 (48) 48.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 10.6 μg/m3 (44) 44.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 9.6 μg/m3 (40) 40.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 9.1 μg/m3 (38) 38.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 7.4 μg/m3 (31) 31.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 7.4 μg/m3 (31) 31.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 7.6 μg/m3 (32) 32.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 7.4 μg/m3 (31) 31.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 8.4 μg/m3 (35) 35.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 9.1 μg/m3 (38) 38.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 9.6 μg/m3 (40) 40.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 8.9 μg/m3 (37) 37.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 9.6 μg/m3 (40) 42.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 7.9 μg/m3 (33) 42.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 5.2 μg/m3 (22) 43.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 3.9 μg/m3 (16) 42.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 4.6 μg/m3 (19) 41.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 4.9 μg/m3 (20) 39.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 9.3 μg/m3 (39) 39.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 6.3 μg/m3 (26) 35.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 8.1 μg/m3 (34) 34.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 8.0 μg/m3 (33) 33.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 8.3 μg/m3 (35) 35.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 7.1 μg/m3 (30) 30.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 6.4 μg/m3 (27) 29.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 4.9 μg/m3 (20) 32.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 4.2 μg/m3 (18) 34.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 4.6 μg/m3 (19) 33.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 4.7 μg/m3 (20) 35.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 3.4 μg/m3 (14) 36.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 5.6 μg/m3 (23) 38.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 4.4 μg/m3 (18) 38.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 10.1 μg/m3 (42) 42.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 14.2 μg/m3 (55) 55.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 39.8 μg/m3 (111) 111.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 30.9 μg/m3 (90) 90.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (49) N/A N/A 10.6 μg/m3 (44) 49.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 2.7 μg/m3 (11) 46.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 0.8 μg/m3 (3) 44.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 1.7 μg/m3 (7) 44.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 2.4 μg/m3 (10) 42.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 2.7 μg/m3 (11) 41.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 2.9 μg/m3 (12) 39.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 4.2 μg/m3 (18) 34.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 4.6 μg/m3 (19) 27.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.9 μg/m3 (20) 23.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 5.6 μg/m3 (23) 23.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 11.1 μg/m3 (46) 46.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 9.6 μg/m3 (40) 40.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 12.0 μg/m3 (50) 50.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 5.4 μg/m3 (23) 23.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.6 μg/m3 (19) 26.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 4.2 μg/m3 (18) 35.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 4.2 μg/m3 (18) 39.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 2.7 μg/m3 (11) 40.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 1.5 μg/m3 (6) 40.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 2.0 μg/m3 (8) 39.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 2.0 μg/m3 (8) 38.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 3.7 μg/m3 (15) 35.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 5.1 μg/m3 (21) 32.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 6.4 μg/m3 (27) 29.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 5.6 μg/m3 (23) 27.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 5.6 μg/m3 (23) 23.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 5.9 μg/m3 (25) 25.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 6.8 μg/m3 (28) 28.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 5.9 μg/m3 (25) 25.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 4.4 μg/m3 (18) 22.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 5.4 μg/m3 (23) 27.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 6.6 μg/m3 (28) 28.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 6.1 μg/m3 (25) 25.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 6.4 μg/m3 (27) 27.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 6.4 μg/m3 (27) 27.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 6.6 μg/m3 (28) 28.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 3.7 μg/m3 (15) 22.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 3.7 μg/m3 (15) 28.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 3.4 μg/m3 (14) 34.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 3.6 μg/m3 (15) 38.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 2.4 μg/m3 (10) 38.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.2 μg/m3 (9) 36.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 2.2 μg/m3 (9) 35.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 3.4 μg/m3 (14) 35.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 3.7 μg/m3 (15) 34.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 3.9 μg/m3 (16) 32.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 4.4 μg/m3 (18) 31.0