AQSQID: 450250001

Site Name: Chesterfield

Location: Chesterfield Co, SC

Reporting: False, Located: True

Current AQI: 155.0

Chesterfield Co SC, US: 34.615299, -80.198898

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 64.1 μg/m3 (155) 155.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.9 μg/m3 (20) 25.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 2.4 μg/m3 (10) 14.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 35.1 μg/m3 (99) 99.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
Sept. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 27.1 μg/m3 (82) 82.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 29.6 μg/m3 (87) 87.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 3.9 μg/m3 (16) 16.0
 
Sept. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 10.5 μg/m3 (44) 44.0
 
Sept. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 1.3 μg/m3 (5) 24.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 8.8 μg/m3 (37) 37.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 7.9 μg/m3 (33) 34.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 0.3 μg/m3 (1) 35.0
 
Sept. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 5.3 μg/m3 (22) 38.0
 
Sept. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 8.5 μg/m3 (35) 39.0
 
Sept. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
Sept. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 34.8 μg/m3 (99) 99.0
 
Sept. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 22.1 μg/m3 (71) 71.0
 
Sept. 13, 2019, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A N/A 3.0
 
Sept. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 23.1 μg/m3 (74) 74.0
 
Sept. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 20.8 μg/m3 (69) 69.0
 
Sept. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Sept. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 3.5 μg/m3 (15) 15.0
 
Sept. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 16.2 μg/m3 (59) 59.0
 
Sept. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 7.3 μg/m3 (30) 30.0
 
Sept. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 9.3 μg/m3 (39) 39.0
 
Sept. 13, 2019, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 8.1 μg/m3 (34) 34.0
 
Sept. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 9.5 μg/m3 (40) 41.0
 
Sept. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 9.1 μg/m3 (38) 42.0
 
Sept. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 17.8 μg/m3 (62) 62.0
 
Sept. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 14.3 μg/m3 (55) 55.0
 
Sept. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 13.1 μg/m3 (52) 52.0
 
Sept. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 18.7 μg/m3 (64) 64.0
 
Sept. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 29.3 μg/m3 (87) 87.0
 
Sept. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 58.6 μg/m3 (152) 152.0
 
Sept. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 14.5 μg/m3 (55) 55.0
 
Sept. 12, 2019, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 19.1 μg/m3 (65) 65.0
 
Sept. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 11.2 μg/m3 (47) 47.0
 
Sept. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 10.6 μg/m3 (44) 44.0
 
Sept. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 6.7 μg/m3 (28) 28.0
 
Sept. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 8.7 μg/m3 (36) 36.0
 
Sept. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 30.9 μg/m3 (90) 90.0
 
Sept. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 20.1 μg/m3 (67) 67.0
 
Sept. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 19.2 μg/m3 (65) 65.0
 
Sept. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 16.5 μg/m3 (60) 60.0
 
Sept. 12, 2019, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 16.8 μg/m3 (60) 60.0
 
Sept. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 47.3 μg/m3 (130) 130.0
 
Sept. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 12.4 μg/m3 (51) 51.0
 
Sept. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 21.6 μg/m3 (70) 70.0
 
Sept. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 5.7 μg/m3 (24) 38.0
 
Sept. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 10.6 μg/m3 (44) 44.0
 
Sept. 11, 2019, 5 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
 
Sept. 11, 2019, 4 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
 
Sept. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 20.2 μg/m3 (67) 67.0
 
Sept. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 11, 2019, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 6.1 μg/m3 (25) 25.0
 
Sept. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A N/A 4.0
 
Sept. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 25.2 μg/m3 (78) 78.0
 
Sept. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 50.0 μg/m3 (136) 136.0
 
Sept. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 16.3 μg/m3 (59) 59.0
 
Sept. 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 15.2 μg/m3 (57) 57.0
 
Sept. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 15.5 μg/m3 (57) 57.0
 
Sept. 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 15.7 μg/m3 (58) 58.0
 
Sept. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 11, 2019, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 10, 2019, 11 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
 
Sept. 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 11.7 μg/m3 (49) 49.0
 
Sept. 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 9.7 μg/m3 (40) 40.0
 
Sept. 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 18.5 μg/m3 (64) 64.0
 
Sept. 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A N/A 40.0
 
Sept. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 8.2 μg/m3 (34) 40.0
 
Sept. 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 6.6 μg/m3 (28) 40.0
 
Sept. 10, 2019, 4 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
 
Sept. 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 10, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 23.2 μg/m3 (74) 74.0
 
Sept. 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 10, 2019, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Sept. 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A N/A 5.0
 
Sept. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 31.5 μg/m3 (91) 91.0
 
Sept. 10, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 33.2 μg/m3 (95) 95.0
 
Sept. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 32.4 μg/m3 (93) 93.0
 
Sept. 10, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 3.8 μg/m3 (16) 16.0
 
Sept. 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 10, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 12.8 μg/m3 (52) 52.0
 
Sept. 10, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 18.3 μg/m3 (63) 63.0
 
Sept. 10, 2019, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 9, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.8 μg/m3 (12) 31.0
 
Sept. 9, 2019, 10 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
 
Sept. 9, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 9, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 9, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 9, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
Sept. 9, 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
 
Sept. 9, 2019, 4 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
 
Sept. 9, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.7 μg/m3 (20) 29.0
 
Sept. 9, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 4.3 μg/m3 (18) 28.0
 
Sept. 9, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 9, 2019, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 18.4 μg/m3 (64) 64.0
 
Sept. 9, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 18.4 μg/m3 (64) 64.0
 
Sept. 9, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 23.0 μg/m3 (73) 73.0
 
Sept. 9, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 9, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 17.2 μg/m3 (61) 61.0
 
Sept. 9, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 9, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 9, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 20.2 μg/m3 (67) 67.0
 
Sept. 9, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 5.5 μg/m3 (23) 26.0
 
Sept. 9, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 15.6 μg/m3 (58) 58.0
 
Sept. 9, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
Sept. 9, 2019, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 23.4 μg/m3 (74) 74.0
 
Sept. 8, 2019, 11 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
 
Sept. 8, 2019, 10 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
 
Sept. 8, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 8, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 8, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 8, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A N/A 41.0
 
Sept. 8, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 8, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 56.3 μg/m3 (150) 150.0
 
Sept. 8, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 53.2 μg/m3 (144) 144.0
 
Sept. 8, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 8, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 8, 2019, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 8, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 53.2 μg/m3 (144) 144.0
 
Sept. 8, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 62.0 μg/m3 (153) 153.0
 
Sept. 8, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Sept. 8, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 31.0 μg/m3 (90) 90.0
 
Sept. 8, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 9.6 μg/m3 (40) 40.0
 
Sept. 8, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 8.8 μg/m3 (37) 37.0
 
Sept. 8, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 28.6 μg/m3 (85) 85.0
 
Sept. 8, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 13.8 μg/m3 (54) 54.0
 
Sept. 8, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 8, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 5.5 μg/m3 (23) 28.0
 
Sept. 8, 2019, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 18.2 μg/m3 (63) 63.0
 
Sept. 7, 2019, 11 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
 
Sept. 7, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 26.7 μg/m3 (81) 81.0
 
Sept. 7, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 3.8 μg/m3 (16) 42.0
 
Sept. 7, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 37.1 μg/m3 (104) 104.0
 
Sept. 7, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 36.6 μg/m3 (103) 103.0
 
Sept. 7, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 2.9 μg/m3 (12) 43.0
 
Sept. 7, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A N/A 41.0
 
Sept. 7, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 7, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 69.4 μg/m3 (157) 157.0
 
Sept. 7, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 7, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 11.1 μg/m3 (46) 46.0