AQSQID: 390610040

Site Name: Taft

Location: Cincinnati, OH

Reporting: True, Located: True

Current AQI: 31.0

Cincinnati OH, US: 39.12886, -84.50404

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 21, 2019, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.18 ppb (2) 16.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
Nov. 21, 2019, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 28.0 ppb (22) 0.2 ppb (2) 21.0 μg/m3 (19) 6.6 μg/m3 (28) 28.0
 
Nov. 21, 2019, 8 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (20) 0.22 ppb (2) 18.0 μg/m3 (16) 6.6 μg/m3 (28) 28.0
 
Nov. 21, 2019, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 30.0 ppb (23) 0.16 ppb (2) 25.0 μg/m3 (23) 5.5 μg/m3 (23) 23.0
 
Nov. 21, 2019, 6 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 28.0 ppb (22) 0.17 ppb (2) 21.0 μg/m3 (19) 4.8 μg/m3 (20) 22.0
 
Nov. 21, 2019, 5 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (17) 0.18 ppb (2) 21.0 μg/m3 (19) 5.1 μg/m3 (21) 21.0
 
Nov. 21, 2019, 4 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 11.0 ppb (8) 0.26 ppb (3) 30.0 μg/m3 (27) 7.6 μg/m3 (32) 32.0
 
Nov. 21, 2019, 3 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 8.0 ppb (6) 0.25 ppb (3) 28.0 μg/m3 (25) 8.9 μg/m3 (37) 37.0
 
Nov. 21, 2019, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (7) 0.23 ppb (3) 17.0 μg/m3 (15) 8.5 μg/m3 (35) 35.0
 
Nov. 21, 2019, 1 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (7) 0.24 ppb (3) 15.0 μg/m3 (14) 7.9 μg/m3 (33) 33.0
 
Nov. 21, 2019, noon N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 10.0 ppb (8) 0.22 ppb (2) 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Nov. 21, 2019, 11 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 12.0 ppb (9) 0.18 ppb (2) 15.0 μg/m3 (14) 10.4 μg/m3 (43) 43.0
 
Nov. 21, 2019, 10 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) 0.19 ppb (2) 17.0 μg/m3 (15) 12.7 μg/m3 (51) 51.0
 
Nov. 21, 2019, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (8) 0.17 ppb (2) 13.0 μg/m3 (12) 16.4 μg/m3 (59) 59.0
 
Nov. 21, 2019, 8 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 3.0 ppb (2) 0.2 ppb (2) 15.0 μg/m3 (14) 18.9 μg/m3 (65) 65.0
 
Nov. 21, 2019, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 7.0 ppb (5) 0.2 ppb (2) 12.0 μg/m3 (11) 18.1 μg/m3 (63) 63.0
 
Nov. 21, 2019, 6 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 5.0 ppb (4) 0.21 ppb (2) 18.0 μg/m3 (16) 15.4 μg/m3 (57) 57.0
 
Nov. 21, 2019, 5 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 5.0 ppb (4) 0.24 ppb (3) 17.0 μg/m3 (15) 11.9 μg/m3 (50) 50.0
 
Nov. 21, 2019, 4 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 5.0 ppb (4) 0.23 ppb (3) 12.0 μg/m3 (11) 9.6 μg/m3 (40) 40.0
 
Nov. 21, 2019, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 8.0 ppb (6) 0.21 ppb (2) 14.0 μg/m3 (13) 8.8 μg/m3 (37) 37.0
 
Nov. 21, 2019, 2 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 10.0 ppb (8) 0.2 ppb (2) 13.0 μg/m3 (12) 7.9 μg/m3 (33) 33.0
 
Nov. 21, 2019, 1 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (7) 0.23 ppb (3) 12.0 μg/m3 (11) 7.7 μg/m3 (32) 32.0
 
Nov. 21, 2019, midnight N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (10) 0.21 ppb (2) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Nov. 20, 2019, 11 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 11.0 ppb (8) 0.24 ppb (3) 7.0 μg/m3 (6) 5.8 μg/m3 (24) 24.0
 
Nov. 20, 2019, 10 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 12.0 ppb (9) 0.26 ppb (3) 18.0 μg/m3 (16) 6.5 μg/m3 (27) 27.0
 
Nov. 20, 2019, 9 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 12.0 ppb (9) 0.3 ppb (3) 21.0 μg/m3 (19) 8.6 μg/m3 (36) 36.0
 
Nov. 20, 2019, 8 p.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 11.0 ppb (8) 0.25 ppb (3) 19.0 μg/m3 (17) 9.4 μg/m3 (39) 39.0
 
Nov. 20, 2019, 7 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 13.0 ppb (10) 0.22 ppb (2) 14.0 μg/m3 (13) 10.2 μg/m3 (42) 42.0
 
Nov. 20, 2019, 6 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 14.0 ppb (11) 0.21 ppb (2) 21.0 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
Nov. 20, 2019, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.19 ppb (2) 18.0 μg/m3 (16) 13.7 μg/m3 (54) 54.0
 
Nov. 20, 2019, 4 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 12.0 ppb (9) 0.25 ppb (3) 19.0 μg/m3 (17) 19.3 μg/m3 (66) 66.0
 
Nov. 20, 2019, 3 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 9.0 ppb (7) 0.21 ppb (2) 20.0 μg/m3 (18) 20.4 μg/m3 (68) 68.0
 
Nov. 20, 2019, 2 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 6.0 ppb (5) 0.26 ppb (3) 20.0 μg/m3 (18) 17.8 μg/m3 (62) 62.0
 
Nov. 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (2) 0.29 ppb (3) 23.0 μg/m3 (21) 16.6 μg/m3 (60) 60.0
 
Nov. 20, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (4) 0.24 ppb (3) 19.0 μg/m3 (17) 15.7 μg/m3 (58) 58.0
 
Nov. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (3) 0.23 ppb (3) 19.0 μg/m3 (17) 18.8 μg/m3 (64) 64.0
 
Nov. 20, 2019, 10 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 6.0 ppb (5) 0.19 ppb (2) 17.0 μg/m3 (15) 20.6 μg/m3 (68) 68.0
 
Nov. 20, 2019, 9 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 12.0 ppb (9) 0.19 ppb (2) 16.0 μg/m3 (15) 18.9 μg/m3 (65) 65.0
 
Nov. 20, 2019, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 11.0 ppb (8) 0.17 ppb (2) 18.0 μg/m3 (16) 17.3 μg/m3 (61) 61.0
 
Nov. 20, 2019, 7 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 12.0 ppb (9) 0.17 ppb (2) 19.0 μg/m3 (17) 16.9 μg/m3 (60) 60.0
 
Nov. 20, 2019, 6 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 12.0 ppb (9) 0.17 ppb (2) 18.0 μg/m3 (16) 15.4 μg/m3 (57) 57.0
 
Nov. 20, 2019, 5 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 9.0 ppb (7) 0.18 ppb (2) 14.0 μg/m3 (13) 13.3 μg/m3 (53) 53.0
 
Nov. 20, 2019, 4 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 11.0 ppb (8) 0.18 ppb (2) 17.0 μg/m3 (15) 13.7 μg/m3 (54) 54.0
 
Nov. 20, 2019, 3 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 8.0 ppb (6) 0.2 ppb (2) 12.0 μg/m3 (11) 13.5 μg/m3 (53) 53.0
 
Nov. 20, 2019, 2 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 11.0 ppb (8) 0.21 ppb (2) 19.0 μg/m3 (17) 12.8 μg/m3 (52) 52.0
 
Nov. 20, 2019, 1 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 10.0 ppb (8) 0.23 ppb (3) 25.0 μg/m3 (23) 13.2 μg/m3 (53) 53.0
 
Nov. 20, 2019, midnight N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 8.0 ppb (6) 0.25 ppb (3) 23.0 μg/m3 (21) 13.2 μg/m3 (53) 53.0
 
Nov. 19, 2019, 11 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 7.0 ppb (5) 0.27 ppb (3) 21.0 μg/m3 (19) 11.9 μg/m3 (50) 50.0
 
Nov. 19, 2019, 10 p.m. N/A N/A N/A 24.0 ppb (22) N/A 1.0 ppb (1) 3.0 ppb (2) 0.31 ppb (3) 25.0 μg/m3 (23) 10.9 μg/m3 (45) 45.0
 
Nov. 19, 2019, 9 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 8.0 ppb (6) 0.33 ppb (4) 19.0 μg/m3 (17) 10.8 μg/m3 (45) 45.0
 
Nov. 19, 2019, 8 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) 0.21 ppb (2) 25.0 μg/m3 (23) 9.3 μg/m3 (39) 39.0
 
Nov. 19, 2019, 7 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) 0.2 ppb (2) 30.0 μg/m3 (27) 10.8 μg/m3 (45) 45.0
 
Nov. 19, 2019, 6 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) 0.18 ppb (2) 29.0 μg/m3 (26) 13.2 μg/m3 (53) 53.0
 
Nov. 19, 2019, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 24.0 ppb (18) 0.16 ppb (2) 29.0 μg/m3 (26) 14.3 μg/m3 (55) 55.0
 
Nov. 19, 2019, 4 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 19.0 ppb (15) 0.18 ppb (2) 33.0 μg/m3 (30) 16.7 μg/m3 (60) 60.0
 
Nov. 19, 2019, 3 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 14.0 ppb (11) N/A 27.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
Nov. 19, 2019, 2 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 9.0 ppb (7) N/A 22.0 μg/m3 (20) 13.1 μg/m3 (52) 52.0
 
Nov. 19, 2019, 1 p.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 5.0 ppb (4) 0.38 ppb (4) 20.0 μg/m3 (18) 12.6 μg/m3 (51) 51.0
 
Nov. 19, 2019, noon N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 2.0 ppb (2) 0.34 ppb (4) 19.0 μg/m3 (17) 13.0 μg/m3 (52) 52.0
 
Nov. 19, 2019, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 2.0 ppb (2) 0.33 ppb (4) 14.0 μg/m3 (13) 12.5 μg/m3 (51) 51.0
 
Nov. 19, 2019, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 2.0 ppb (2) 0.27 ppb (3) 17.0 μg/m3 (15) 12.1 μg/m3 (50) 50.0
 
Nov. 19, 2019, 9 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 7.0 ppb (5) 0.15 ppb (2) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Nov. 19, 2019, 8 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (10) 0.12 ppb (1) 13.0 μg/m3 (12) 9.7 μg/m3 (40) 40.0
 
Nov. 19, 2019, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (10) 0.13 ppb (1) 6.0 μg/m3 (5) 9.3 μg/m3 (39) 39.0
 
Nov. 19, 2019, 6 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 9.0 ppb (7) 0.15 ppb (2) 16.0 μg/m3 (15) 8.9 μg/m3 (37) 37.0
 
Nov. 19, 2019, 5 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 12.0 ppb (9) 0.15 ppb (2) 11.0 μg/m3 (10) 9.9 μg/m3 (41) 41.0
 
Nov. 19, 2019, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 8.0 ppb (6) 0.17 ppb (2) 16.0 μg/m3 (15) 11.2 μg/m3 (47) 47.0
 
Nov. 19, 2019, 3 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 4.0 ppb (3) 0.18 ppb (2) 14.0 μg/m3 (13) 10.6 μg/m3 (44) 44.0
 
Nov. 19, 2019, 2 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 4.0 ppb (3) 0.2 ppb (2) 19.0 μg/m3 (17) 13.6 μg/m3 (53) 53.0
 
Nov. 19, 2019, 1 a.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 5.0 ppb (4) 0.2 ppb (2) 25.0 μg/m3 (23) 19.6 μg/m3 (66) 66.0
 
Nov. 19, 2019, midnight N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 9.0 ppb (7) 0.21 ppb (2) 30.0 μg/m3 (27) 25.3 μg/m3 (78) 78.0
 
Nov. 18, 2019, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 10.0 ppb (8) 0.23 ppb (3) 36.0 μg/m3 (33) 30.7 μg/m3 (90) 90.0
 
Nov. 18, 2019, 10 p.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 10.0 ppb (8) 0.23 ppb (3) 36.0 μg/m3 (33) 33.7 μg/m3 (96) 96.0
 
Nov. 18, 2019, 9 p.m. N/A N/A N/A 14.0 ppb (13) N/A 2.0 ppb (3) 12.0 ppb (9) 0.24 ppb (3) 44.0 μg/m3 (40) 37.3 μg/m3 (104) 104.0
 
Nov. 18, 2019, 8 p.m. N/A N/A N/A 16.0 ppb (15) N/A 5.0 ppb (7) 12.0 ppb (9) 0.27 ppb (3) 38.0 μg/m3 (35) 34.0 μg/m3 (97) 97.0
 
Nov. 18, 2019, 7 p.m. N/A N/A N/A 17.0 ppb (16) N/A 5.0 ppb (7) 12.0 ppb (9) 0.24 ppb (3) 37.0 μg/m3 (34) 28.4 μg/m3 (85) 85.0
 
Nov. 18, 2019, 6 p.m. N/A N/A N/A 15.0 ppb (14) N/A 4.0 ppb (6) 16.0 ppb (12) 0.25 ppb (3) 40.0 μg/m3 (36) 31.4 μg/m3 (91) 91.0
 
Nov. 18, 2019, 5 p.m. N/A N/A N/A 17.0 ppb (16) N/A 3.0 ppb (4) N/A 0.26 ppb (3) 49.0 μg/m3 (45) 34.7 μg/m3 (98) 98.0
 
Nov. 18, 2019, 4 p.m. N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) 8.0 ppb (6) 0.36 ppb (4) 60.0 μg/m3 (52) 36.1 μg/m3 (102) 102.0
 
Nov. 18, 2019, 3 p.m. N/A N/A N/A 26.0 ppb (24) N/A 2.0 ppb (3) 4.0 ppb (3) 0.46 ppb (5) 58.0 μg/m3 (52) 33.6 μg/m3 (96) 96.0
 
Nov. 18, 2019, 2 p.m. N/A N/A N/A 27.0 ppb (25) N/A 1.0 ppb (1) 2.0 ppb (2) 0.53 ppb (6) 55.0 μg/m3 (50) 30.8 μg/m3 (90) 90.0
 
Nov. 18, 2019, 1 p.m. N/A N/A N/A 28.0 ppb (26) N/A 2.0 ppb (3) 1.0 ppb (1) 0.59 ppb (7) 59.0 μg/m3 (52) 29.9 μg/m3 (88) 88.0
 
Nov. 18, 2019, noon N/A N/A N/A 24.0 ppb (22) N/A 2.0 ppb (3) 1.0 ppb (1) 0.94 ppb (10) 44.0 μg/m3 (40) 29.4 μg/m3 (87) 87.0
 
Nov. 18, 2019, 11 a.m. N/A N/A N/A 24.0 ppb (22) N/A 2.0 ppb (3) 1.0 ppb (1) 0.82 ppb (9) 44.0 μg/m3 (40) 27.2 μg/m3 (82) 82.0
 
Nov. 18, 2019, 10 a.m. N/A N/A N/A 29.0 ppb (27) N/A 2.0 ppb (3) 2.0 ppb (2) 0.53 ppb (6) 43.0 μg/m3 (39) 22.8 μg/m3 (73) 73.0
 
Nov. 18, 2019, 9 a.m. N/A N/A N/A 29.0 ppb (27) N/A 1.0 ppb (1) 1.0 ppb (1) 0.4 ppb (4) 57.0 μg/m3 (51) 22.5 μg/m3 (72) 72.0
 
Nov. 18, 2019, 8 a.m. N/A N/A N/A 29.0 ppb (27) N/A 1.0 ppb (1) 2.0 ppb (2) 0.36 ppb (4) 39.0 μg/m3 (35) 19.8 μg/m3 (67) 67.0
 
Nov. 18, 2019, 7 a.m. N/A N/A N/A 30.0 ppb (28) N/A 1.0 ppb (1) 1.0 ppb (1) 0.46 ppb (5) 88.0 μg/m3 (66) 24.9 μg/m3 (77) 77.0
 
Nov. 18, 2019, 6 a.m. N/A N/A N/A 32.0 ppb (30) N/A 1.0 ppb (1) 1.0 ppb (1) 0.67 ppb (7) 81.0 μg/m3 (63) 26.3 μg/m3 (80) 80.0
 
Nov. 18, 2019, 5 a.m. N/A N/A N/A 32.0 ppb (30) N/A 2.0 ppb (3) 2.0 ppb (2) 0.88 ppb (10) 65.0 μg/m3 (55) 25.3 μg/m3 (78) 78.0
 
Nov. 18, 2019, 4 a.m. N/A N/A N/A 37.0 ppb (34) N/A 2.0 ppb (3) 1.0 ppb (1) 0.9 ppb (10) 55.0 μg/m3 (50) 23.5 μg/m3 (74) 74.0
 
Nov. 18, 2019, 3 a.m. N/A N/A N/A 37.0 ppb (34) N/A 1.0 ppb (1) 1.0 ppb (1) 0.81 ppb (9) 49.0 μg/m3 (45) 22.4 μg/m3 (72) 72.0
 
Nov. 18, 2019, 2 a.m. N/A N/A N/A 38.0 ppb (35) N/A 2.0 ppb (3) 1.0 ppb (1) 0.75 ppb (8) 57.0 μg/m3 (51) 22.9 μg/m3 (73) 73.0
 
Nov. 18, 2019, 1 a.m. N/A N/A N/A 35.0 ppb (32) N/A 1.0 ppb (1) 2.0 ppb (2) 0.79 ppb (9) 52.0 μg/m3 (47) 21.2 μg/m3 (70) 70.0
 
Nov. 18, 2019, midnight N/A N/A N/A 35.0 ppb (32) N/A 1.0 ppb (1) 3.0 ppb (2) 0.68 ppb (8) 39.0 μg/m3 (35) 19.2 μg/m3 (65) 65.0
 
Nov. 17, 2019, 11 p.m. N/A N/A N/A 31.0 ppb (29) N/A 1.0 ppb (1) 6.0 ppb (5) 0.62 ppb (7) 35.0 μg/m3 (32) 17.3 μg/m3 (61) 61.0
 
Nov. 17, 2019, 10 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 18.0 ppb (14) 0.37 ppb (4) 31.0 μg/m3 (28) 15.2 μg/m3 (57) 57.0
 
Nov. 17, 2019, 9 p.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 22.0 ppb (17) 0.35 ppb (4) 32.0 μg/m3 (29) 15.2 μg/m3 (57) 57.0
 
Nov. 17, 2019, 8 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 27.0 ppb (21) 0.24 ppb (3) 29.0 μg/m3 (26) 14.3 μg/m3 (55) 55.0
 
Nov. 17, 2019, 7 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 27.0 ppb (21) 0.21 ppb (2) 22.0 μg/m3 (20) 13.9 μg/m3 (54) 54.0
 
Nov. 17, 2019, 6 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 28.0 ppb (22) 0.23 ppb (3) 18.0 μg/m3 (16) 14.6 μg/m3 (56) 56.0
 
Nov. 17, 2019, 5 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 24.0 ppb (18) 0.27 ppb (3) 21.0 μg/m3 (19) 16.7 μg/m3 (60) 60.0
 
Nov. 17, 2019, 4 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 23.0 ppb (18) 0.28 ppb (3) 21.0 μg/m3 (19) 15.1 μg/m3 (57) 57.0
 
Nov. 17, 2019, 3 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 23.0 ppb (18) 0.27 ppb (3) 19.0 μg/m3 (17) 13.4 μg/m3 (53) 53.0
 
Nov. 17, 2019, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 20.0 ppb (15) 0.25 ppb (3) 29.0 μg/m3 (26) 12.6 μg/m3 (51) 51.0
 
Nov. 17, 2019, 1 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 11.0 ppb (8) 0.31 ppb (3) 22.0 μg/m3 (20) 12.7 μg/m3 (51) 51.0
 
Nov. 17, 2019, noon N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 3.0 ppb (2) 0.32 ppb (4) 20.0 μg/m3 (18) 12.4 μg/m3 (51) 51.0
 
Nov. 17, 2019, 11 a.m. N/A N/A N/A 26.0 ppb (24) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Nov. 17, 2019, 10 a.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) 2.0 ppb (2) 0.31 ppb (3) 21.0 μg/m3 (19) 11.4 μg/m3 (48) 48.0
 
Nov. 17, 2019, 9 a.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) 22.0 μg/m3 (20) 10.8 μg/m3 (45) 45.0
 
Nov. 17, 2019, 8 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 9.0 ppb (7) 0.25 ppb (3) 17.0 μg/m3 (15) 9.2 μg/m3 (38) 38.0
 
Nov. 17, 2019, 7 a.m. N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) 9.0 ppb (7) 0.24 ppb (3) 21.0 μg/m3 (19) 8.6 μg/m3 (36) 36.0
 
Nov. 17, 2019, 6 a.m. N/A N/A N/A 26.0 ppb (24) N/A 0.0 ppb (0) 7.0 ppb (5) 0.3 ppb (3) 24.0 μg/m3 (22) 9.5 μg/m3 (40) 40.0
 
Nov. 17, 2019, 5 a.m. N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) 11.0 ppb (8) 0.33 ppb (4) 27.0 μg/m3 (25) 10.6 μg/m3 (44) 44.0
 
Nov. 17, 2019, 4 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 17.0 ppb (13) 0.33 ppb (4) 26.0 μg/m3 (24) 7.6 μg/m3 (32) 32.0
 
Nov. 17, 2019, 3 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 23.0 ppb (18) 0.24 ppb (3) 15.0 μg/m3 (14) 6.3 μg/m3 (26) 26.0
 
Nov. 17, 2019, 2 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 24.0 ppb (18) 0.23 ppb (3) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
Nov. 17, 2019, 1 a.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 18.0 ppb (14) 0.26 ppb (3) 25.0 μg/m3 (23) 10.2 μg/m3 (42) 42.0
 
Nov. 17, 2019, midnight N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 14.0 ppb (11) 0.28 ppb (3) 25.0 μg/m3 (23) 11.6 μg/m3 (48) 48.0
 
Nov. 16, 2019, 11 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 19.0 ppb (15) 0.25 ppb (3) 26.0 μg/m3 (24) 11.7 μg/m3 (49) 49.0
 
Nov. 16, 2019, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (20) 0.18 ppb (2) 24.0 μg/m3 (22) 11.6 μg/m3 (48) 48.0
 
Nov. 16, 2019, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.18 ppb (2) 27.0 μg/m3 (25) 12.6 μg/m3 (51) 51.0
 
Nov. 16, 2019, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.17 ppb (2) 19.0 μg/m3 (17) 10.4 μg/m3 (43) 43.0
 
Nov. 16, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) 19.0 μg/m3 (17) 10.1 μg/m3 (42) 42.0
 
Nov. 16, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.15 ppb (2) 17.0 μg/m3 (15) 9.8 μg/m3 (41) 41.0
 
Nov. 16, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.15 ppb (2) 19.0 μg/m3 (17) 10.7 μg/m3 (45) 45.0
 
Nov. 16, 2019, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.16 ppb (2) 21.0 μg/m3 (19) 11.9 μg/m3 (50) 50.0
 
Nov. 16, 2019, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) 24.0 μg/m3 (22) 15.4 μg/m3 (57) 57.0
 
Nov. 16, 2019, 2 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 19.0 ppb (15) 0.22 ppb (2) 33.0 μg/m3 (30) 19.4 μg/m3 (66) 66.0
 
Nov. 16, 2019, 1 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 10.0 ppb (8) 0.26 ppb (3) 37.0 μg/m3 (34) 22.8 μg/m3 (73) 73.0
 
Nov. 16, 2019, noon N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 8.0 ppb (6) 0.22 ppb (2) 34.0 μg/m3 (31) 23.1 μg/m3 (74) 74.0
 
Nov. 16, 2019, 11 a.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 7.0 ppb (5) 0.2 ppb (2) 35.0 μg/m3 (32) 23.0 μg/m3 (73) 73.0
 
Nov. 16, 2019, 10 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 17.0 ppb (13) 0.18 ppb (2) 27.0 μg/m3 (25) 24.4 μg/m3 (76) 76.0
 
Nov. 16, 2019, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.15 ppb (2) 31.0 μg/m3 (28) 26.1 μg/m3 (80) 80.0
 
Nov. 16, 2019, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.16 ppb (2) 29.0 μg/m3 (26) 25.2 μg/m3 (78) 78.0
 
Nov. 16, 2019, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.16 ppb (2) 32.0 μg/m3 (29) 24.4 μg/m3 (76) 76.0
 
Nov. 16, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) 31.0 μg/m3 (28) 25.0 μg/m3 (78) 78.0
 
Nov. 16, 2019, 5 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) 33.0 μg/m3 (30) 25.3 μg/m3 (78) 78.0
 
Nov. 16, 2019, 4 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 13.0 ppb (10) 0.24 ppb (3) 33.0 μg/m3 (30) 23.8 μg/m3 (75) 75.0
 
Nov. 16, 2019, 3 a.m. N/A N/A N/A 26.0 ppb (24) N/A 1.0 ppb (1) 5.0 ppb (4) 0.32 ppb (4) 35.0 μg/m3 (32) 21.9 μg/m3 (71) 71.0
 
Nov. 16, 2019, 2 a.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 9.0 ppb (7) 0.31 ppb (3) 30.0 μg/m3 (27) 20.2 μg/m3 (67) 67.0
 
Nov. 16, 2019, 1 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 11.0 ppb (8) 0.31 ppb (3) 24.0 μg/m3 (22) 17.8 μg/m3 (62) 62.0
 
Nov. 16, 2019, midnight N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 15.0 ppb (12) 0.32 ppb (4) 25.0 μg/m3 (23) 15.7 μg/m3 (58) 58.0
 
Nov. 15, 2019, 11 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 14.0 ppb (11) 0.3 ppb (3) 28.0 μg/m3 (25) 15.6 μg/m3 (58) 58.0
 
Nov. 15, 2019, 10 p.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 16.0 ppb (12) 0.28 ppb (3) 26.0 μg/m3 (24) 15.3 μg/m3 (57) 57.0
 
Nov. 15, 2019, 9 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 22.0 ppb (17) 0.22 ppb (2) 26.0 μg/m3 (24) 15.3 μg/m3 (57) 57.0
 
Nov. 15, 2019, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) 0.19 ppb (2) 25.0 μg/m3 (23) 15.0 μg/m3 (56) 56.0
 
Nov. 15, 2019, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 24.0 μg/m3 (22) 16.4 μg/m3 (59) 59.0
 
Nov. 15, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.19 ppb (2) 26.0 μg/m3 (24) 17.4 μg/m3 (61) 61.0
 
Nov. 15, 2019, 5 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 4.0 ppb (3) 0.19 ppb (2) 26.0 μg/m3 (24) 18.9 μg/m3 (65) 65.0
 
Nov. 15, 2019, 4 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 3.0 ppb (2) 0.17 ppb (2) 24.0 μg/m3 (22) 20.6 μg/m3 (68) 68.0
 
Nov. 15, 2019, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 3.0 ppb (2) 0.17 ppb (2) 31.0 μg/m3 (28) 20.7 μg/m3 (69) 69.0
 
Nov. 15, 2019, 2 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.21 ppb (2) 29.0 μg/m3 (26) 20.6 μg/m3 (68) 68.0
 
Nov. 15, 2019, 1 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 15.0 ppb (12) 0.22 ppb (2) 27.0 μg/m3 (25) 21.1 μg/m3 (69) 69.0
 
Nov. 15, 2019, noon N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 11.0 ppb (8) 0.24 ppb (3) 30.0 μg/m3 (27) 23.7 μg/m3 (75) 75.0
 
Nov. 15, 2019, 11 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 13.0 ppb (10) 0.21 ppb (2) 26.0 μg/m3 (24) 25.3 μg/m3 (78) 78.0
 
Nov. 15, 2019, 10 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 12.0 ppb (9) 0.21 ppb (2) 29.0 μg/m3 (26) 28.1 μg/m3 (84) 84.0
 
Nov. 15, 2019, 9 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 14.0 ppb (11) 0.19 ppb (2) 31.0 μg/m3 (28) 28.0 μg/m3 (84) 84.0
 
Nov. 15, 2019, 8 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 14.0 ppb (11) 0.23 ppb (3) 29.0 μg/m3 (26) 25.3 μg/m3 (78) 78.0
 
Nov. 15, 2019, 7 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) 26.0 μg/m3 (24) 21.9 μg/m3 (71) 71.0
 
Nov. 15, 2019, 6 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 10.0 ppb (8) 0.26 ppb (3) 27.0 μg/m3 (25) 18.4 μg/m3 (64) 64.0
 
Nov. 15, 2019, 5 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 12.0 ppb (9) 0.24 ppb (3) 26.0 μg/m3 (24) 16.0 μg/m3 (59) 59.0
 
Nov. 15, 2019, 4 a.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 9.0 ppb (7) 0.27 ppb (3) 23.0 μg/m3 (21) 15.0 μg/m3 (56) 56.0
 
Nov. 15, 2019, 3 a.m. N/A N/A N/A 24.0 ppb (22) N/A 1.0 ppb (1) 9.0 ppb (7) 0.3 ppb (3) 26.0 μg/m3 (24) 16.6 μg/m3 (60) 60.0
 
Nov. 15, 2019, 2 a.m. N/A N/A N/A 27.0 ppb (25) N/A 2.0 ppb (3) 6.0 ppb (5) 0.33 ppb (4) 30.0 μg/m3 (27) 16.0 μg/m3 (59) 59.0
 
Nov. 15, 2019, 1 a.m. N/A N/A N/A 25.0 ppb (23) N/A 2.0 ppb (3) 9.0 ppb (7) 0.28 ppb (3) 24.0 μg/m3 (22) 14.8 μg/m3 (56) 56.0
 
Nov. 15, 2019, midnight N/A N/A N/A 25.0 ppb (23) N/A 3.0 ppb (4) 9.0 ppb (7) 0.28 ppb (3) 24.0 μg/m3 (22) 13.9 μg/m3 (54) 54.0
 
Nov. 14, 2019, 11 p.m. N/A N/A N/A 26.0 ppb (24) N/A 2.0 ppb (3) 9.0 ppb (7) 0.28 ppb (3) 24.0 μg/m3 (22) 12.7 μg/m3 (51) 51.0