AQSQID: 450450015

Site Name: Greenville-Esc

Location: Greenville, SC

Reporting: True, Located: True

Current AQI: 30.0

Greenville SC, US: 34.843899, -82.414597

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 17, 2019, 3 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 7.3 μg/m3 (30) 30.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (22) 8.8 μg/m3 (37) 37.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2019, midnight N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 5.1 μg/m3 (21) 21.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 5.8 μg/m3 (24) 24.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 3.7 μg/m3 (15) 15.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 3.5 μg/m3 (15) 15.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 4.4 μg/m3 (18) 18.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 1.5 μg/m3 (6) 6.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 2.6 μg/m3 (11) 11.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 9.5 μg/m3 (40) 40.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (23) 10.2 μg/m3 (42) 42.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 10.3 μg/m3 (43) 43.0
 
Sept. 16, 2019, noon N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 11.8 μg/m3 (49) 49.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A 24.0 ppb (22) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 12.5 μg/m3 (51) 51.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 10.1 μg/m3 (42) 42.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A 35.0 ppb (32) N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 8.7 μg/m3 (36) 36.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 7.5 μg/m3 (31) 31.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 7.8 μg/m3 (32) 32.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 10.4 μg/m3 (43) 43.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 10.7 μg/m3 (45) 45.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (24) 14.5 μg/m3 (55) 55.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 14.1 μg/m3 (54) 54.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 8.8 μg/m3 (37) 37.0
 
Sept. 16, 2019, midnight N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 5.5 μg/m3 (23) 23.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (2) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 5.9 μg/m3 (25) 25.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 9.2 μg/m3 (38) 38.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (6) 10.1 μg/m3 (42) 42.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 10.6 μg/m3 (44) 44.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 9.2 μg/m3 (38) 38.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 10.3 μg/m3 (43) 43.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 9.5 μg/m3 (40) 40.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 8.5 μg/m3 (35) 35.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 10.3 μg/m3 (43) 43.0
 
Sept. 15, 2019, noon N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 8.9 μg/m3 (37) 37.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 7.3 μg/m3 (30) 30.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 9.4 μg/m3 (39) 39.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 9.8 μg/m3 (41) 41.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (9) 8.2 μg/m3 (34) 34.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 9.2 μg/m3 (38) 38.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 12.4 μg/m3 (51) 51.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 10.4 μg/m3 (43) 43.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 11.4 μg/m3 (48) 48.0
 
Sept. 15, 2019, midnight N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 9.5 μg/m3 (40) 40.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (10) 11.4 μg/m3 (48) 48.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (5) 10.8 μg/m3 (45) 45.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (5) 8.1 μg/m3 (34) 34.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (8) 5.6 μg/m3 (23) 23.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (7) 6.6 μg/m3 (28) 28.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 7.8 μg/m3 (32) 32.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 10.2 μg/m3 (42) 42.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 11.3 μg/m3 (47) 47.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 8.6 μg/m3 (36) 36.0
 
Sept. 14, 2019, noon N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 11.9 μg/m3 (50) 50.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 13.0 μg/m3 (52) 52.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 11.1 μg/m3 (46) 46.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 11.3 μg/m3 (47) 47.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 12.8 μg/m3 (52) 52.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 10.5 μg/m3 (44) 44.0
 
Sept. 14, 2019, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 11.2 μg/m3 (47) 47.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 10.7 μg/m3 (45) 45.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 11.2 μg/m3 (47) 47.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 11.3 μg/m3 (47) 47.0
 
Sept. 14, 2019, midnight N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (22) 13.4 μg/m3 (53) 53.0
 
Sept. 13, 2019, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 15.9 μg/m3 (58) 58.0
 
Sept. 13, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 59.0 μg/m3 (52) 20.3 μg/m3 (68) 68.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 17.9 μg/m3 (63) 63.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (22) 15.6 μg/m3 (58) 58.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 59.0 μg/m3 (52) 22.6 μg/m3 (73) 73.0
 
Sept. 13, 2019, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (25) 20.4 μg/m3 (68) 68.0
 
Sept. 13, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (26) 16.9 μg/m3 (60) 60.0
 
Sept. 13, 2019, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 37.0 μg/m3 (34) 16.4 μg/m3 (59) 59.0
 
Sept. 13, 2019, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 34.0 μg/m3 (31) 16.0 μg/m3 (59) 59.0
 
Sept. 13, 2019, 2 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (26) 15.8 μg/m3 (58) 58.0
 
Sept. 13, 2019, 1 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (25) 19.1 μg/m3 (65) 65.0
 
Sept. 13, 2019, noon N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A N/A 31.0 μg/m3 (28) 15.1 μg/m3 (57) 57.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 15.8 μg/m3 (58) 58.0
 
Sept. 13, 2019, 10 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 17.6 μg/m3 (62) 62.0
 
Sept. 13, 2019, 9 a.m. N/A N/A N/A 38.0 ppb (35) N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (24) 16.5 μg/m3 (60) 60.0
 
Sept. 13, 2019, 8 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (23) 16.2 μg/m3 (59) 59.0
 
Sept. 13, 2019, 7 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 18.2 μg/m3 (63) 63.0
 
Sept. 13, 2019, 6 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 16.9 μg/m3 (60) 60.0
 
Sept. 13, 2019, 5 a.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 15.8 μg/m3 (58) 58.0
 
Sept. 13, 2019, 3 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A N/A 31.0 μg/m3 (28) 14.9 μg/m3 (56) 56.0
 
Sept. 13, 2019, 2 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A N/A 34.0 μg/m3 (31) 19.4 μg/m3 (66) 66.0
 
Sept. 13, 2019, 1 a.m. N/A N/A N/A 31.0 ppb (29) N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (25) 16.6 μg/m3 (60) 60.0
 
Sept. 13, 2019, midnight N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 13.9 μg/m3 (54) 54.0
 
Sept. 12, 2019, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 11.8 μg/m3 (49) 49.0
 
Sept. 12, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 11.4 μg/m3 (48) 48.0
 
Sept. 12, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 8.9 μg/m3 (37) 37.0
 
Sept. 12, 2019, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 11.7 μg/m3 (49) 49.0
 
Sept. 12, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 10.6 μg/m3 (44) 44.0
 
Sept. 12, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 10.2 μg/m3 (42) 42.0
 
Sept. 12, 2019, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 11.5 μg/m3 (48) 48.0
 
Sept. 12, 2019, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 11.7 μg/m3 (49) 49.0
 
Sept. 12, 2019, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 33.0 μg/m3 (30) 14.2 μg/m3 (55) 55.0
 
Sept. 12, 2019, 2 p.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (25) 17.2 μg/m3 (61) 61.0
 
Sept. 12, 2019, 1 p.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (24) 14.0 μg/m3 (54) 54.0
 
Sept. 12, 2019, noon N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 12.5 μg/m3 (51) 51.0
 
Sept. 12, 2019, 11 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 13.5 μg/m3 (53) 53.0
 
Sept. 12, 2019, 10 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 13.0 μg/m3 (52) 52.0
 
Sept. 12, 2019, 9 a.m. N/A N/A N/A 26.0 ppb (24) N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 13.2 μg/m3 (53) 53.0
 
Sept. 12, 2019, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (12) 11.8 μg/m3 (49) 49.0
 
Sept. 12, 2019, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 11.3 μg/m3 (47) 47.0
 
Sept. 12, 2019, 6 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 14.2 μg/m3 (55) 55.0
 
Sept. 12, 2019, 5 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (25) 22.3 μg/m3 (72) 72.0
 
Sept. 12, 2019, 3 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 14.3 μg/m3 (55) 55.0
 
Sept. 12, 2019, 2 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 13.8 μg/m3 (54) 54.0
 
Sept. 12, 2019, 1 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A 30.0 μg/m3 (27) 16.0 μg/m3 (59) 59.0
 
Sept. 12, 2019, midnight N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A N/A 31.0 μg/m3 (28) 14.8 μg/m3 (56) 56.0
 
Sept. 11, 2019, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (17) 11.1 μg/m3 (46) 46.0
 
Sept. 11, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 11.2 μg/m3 (47) 47.0
 
Sept. 11, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 11.8 μg/m3 (49) 49.0
 
Sept. 11, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 11.1 μg/m3 (46) 46.0
 
Sept. 11, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 12.5 μg/m3 (51) 51.0
 
Sept. 11, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (11) 14.1 μg/m3 (54) 54.0
 
Sept. 11, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
Sept. 11, 2019, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 14.1 μg/m3 (54) 54.0
 
Sept. 11, 2019, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (26) 17.6 μg/m3 (62) 62.0
 
Sept. 11, 2019, 2 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 33.0 μg/m3 (30) 17.1 μg/m3 (61) 61.0
 
Sept. 11, 2019, 1 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (23) 15.5 μg/m3 (57) 57.0
 
Sept. 11, 2019, noon N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 18.0 μg/m3 (63) 63.0
 
Sept. 11, 2019, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 18.4 μg/m3 (64) 64.0
 
Sept. 11, 2019, 10 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (18) 17.8 μg/m3 (62) 62.0
 
Sept. 11, 2019, 9 a.m. N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (15) 15.4 μg/m3 (57) 57.0
 
Sept. 11, 2019, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 14.2 μg/m3 (55) 55.0
 
Sept. 11, 2019, 7 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (19) 12.3 μg/m3 (51) 51.0
 
Sept. 11, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 13.4 μg/m3 (53) 53.0
 
Sept. 11, 2019, 5 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 16.5 μg/m3 (60) 60.0
 
Sept. 11, 2019, 3 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (23) 25.3 μg/m3 (78) 78.0
 
Sept. 11, 2019, 2 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 27.8 μg/m3 (84) 84.0
 
Sept. 11, 2019, 1 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A N/A 32.0 μg/m3 (29) 25.8 μg/m3 (79) 79.0
 
Sept. 11, 2019, midnight N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 32.2 μg/m3 (93) 93.0
 
Sept. 10, 2019, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 13.7 μg/m3 (54) 54.0
 
Sept. 10, 2019, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 32.0 μg/m3 (29) 14.9 μg/m3 (56) 56.0
 
Sept. 10, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) N/A N/A 1.0 μg/m3 (1) 14.1 μg/m3 (54) 54.0
 
Sept. 10, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 1.0 μg/m3 (1) 4.8 μg/m3 (20) 20.0
 
Sept. 10, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A N/A
Sept. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (22) 20.3 μg/m3 (68) 68.0
 
Sept. 10, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 μg/m3 (35) 23.7 μg/m3 (75) 75.0
 
Sept. 10, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 68.0 μg/m3 (56) 25.0 μg/m3 (78) 78.0
 
Sept. 10, 2019, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 46.0 μg/m3 (42) 23.4 μg/m3 (74) 74.0
 
Sept. 10, 2019, 2 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 39.0 μg/m3 (35) 22.6 μg/m3 (73) 73.0
 
Sept. 10, 2019, 1 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 34.0 μg/m3 (31) 22.7 μg/m3 (73) 73.0
 
Sept. 10, 2019, noon N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (25) 19.4 μg/m3 (66) 66.0
 
Sept. 10, 2019, 11 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 17.3 μg/m3 (61) 61.0
 
Sept. 10, 2019, 10 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (24) 16.4 μg/m3 (59) 59.0
 
Sept. 10, 2019, 9 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 16.6 μg/m3 (60) 60.0
 
Sept. 10, 2019, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (22) 15.5 μg/m3 (57) 57.0
 
Sept. 10, 2019, 7 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (23) 13.9 μg/m3 (54) 54.0
 
Sept. 10, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (23) 14.4 μg/m3 (55) 55.0
 
Sept. 10, 2019, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 13.7 μg/m3 (54) 54.0
 
Sept. 10, 2019, 3 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (22) 15.1 μg/m3 (57) 57.0
 
Sept. 10, 2019, 2 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) N/A N/A 48.0 μg/m3 (44) 19.2 μg/m3 (65) 65.0
 
Sept. 10, 2019, 1 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (20) 20.7 μg/m3 (69) 69.0
 
Sept. 10, 2019, midnight N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Sept. 9, 2019, 11 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (22) 9.2 μg/m3 (38) 38.0
 
Sept. 9, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (23) 10.4 μg/m3 (43) 43.0
 
Sept. 9, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0