AQSQID: 490450004

Site Name: Erda

Location: Tooele Co, UT

Reporting: True, Located: True

Current AQI: 32.0

Tooele Co UT, US: 40.600556, -112.355

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 17, 2019, noon 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 0.5 μg/m3 (2) 32.0
 
Jan. 17, 2019, 11 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 0.5 μg/m3 (2) 33.0
 
Jan. 17, 2019, 10 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A 4.4 μg/m3 (18) 26.0
 
Jan. 17, 2019, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 3.4 μg/m3 (14) 28.0
 
Jan. 17, 2019, 8 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A N/A 2.2 μg/m3 (9) 32.0
 
Jan. 17, 2019, 7 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) N/A N/A 4.1 μg/m3 (17) 26.0
 
Jan. 17, 2019, 6 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) N/A N/A 20.1 μg/m3 (67) 67.0
 
Jan. 17, 2019, 5 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) N/A N/A 26.5 μg/m3 (81) 81.0
 
Jan. 17, 2019, 4 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 6.0 ppb (5) N/A N/A 27.1 μg/m3 (82) 82.0
 
Jan. 17, 2019, 3 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 4.0 ppb (3) N/A N/A 29.4 μg/m3 (87) 87.0
 
Jan. 17, 2019, 2 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 5.0 ppb (4) N/A N/A 28.4 μg/m3 (85) 85.0
 
Jan. 17, 2019, 1 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) N/A N/A 24.7 μg/m3 (77) 77.0
 
Jan. 17, 2019, midnight 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) N/A N/A 27.2 μg/m3 (82) 82.0
 
Jan. 16, 2019, 11 p.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) N/A N/A 23.8 μg/m3 (75) 75.0
 
Jan. 16, 2019, 10 p.m. 13.0 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 29.0 ppb (22) N/A N/A 24.1 μg/m3 (76) 76.0
 
Jan. 16, 2019, 9 p.m. 16.0 ppb (15) 2.0 ppb (2) N/A 14.0 ppb (13) N/A N/A 37.0 ppb (28) N/A N/A 26.2 μg/m3 (80) 80.0
 
Jan. 16, 2019, 8 p.m. 17.0 ppb (16) 3.0 ppb (3) N/A 14.0 ppb (13) N/A N/A 34.0 ppb (26) N/A N/A 27.0 μg/m3 (82) 82.0
 
Jan. 16, 2019, 7 p.m. 16.0 ppb (15) 3.0 ppb (3) N/A 13.0 ppb (12) N/A N/A 33.0 ppb (25) N/A N/A 28.4 μg/m3 (85) 85.0
 
Jan. 16, 2019, 6 p.m. 17.0 ppb (16) 4.0 ppb (4) N/A 13.0 ppb (12) N/A N/A 31.0 ppb (24) N/A N/A 26.1 μg/m3 (80) 80.0
 
Jan. 16, 2019, 5 p.m. 16.0 ppb (15) 5.0 ppb (5) N/A 11.0 ppb (10) N/A N/A 29.0 ppb (22) N/A N/A 28.5 μg/m3 (85) 85.0
 
Jan. 16, 2019, 4 p.m. 13.0 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) N/A N/A 30.4 μg/m3 (89) 89.0
 
Jan. 16, 2019, 3 p.m. 10.0 ppb (9) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) N/A N/A 30.1 μg/m3 (89) 89.0
 
Jan. 16, 2019, 2 p.m. 29.0 ppb (27) 13.0 ppb (12) N/A 16.0 ppb (15) N/A N/A 22.0 ppb (17) N/A N/A 30.1 μg/m3 (89) 89.0
 
Jan. 16, 2019, 1 p.m. 13.0 ppb (12) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A 23.0 ppb (18) N/A N/A 29.7 μg/m3 (88) 88.0
 
Jan. 16, 2019, noon 13.0 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A 25.0 ppb (19) N/A N/A 28.8 μg/m3 (86) 86.0
 
Jan. 16, 2019, 11 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) N/A N/A 28.4 μg/m3 (85) 85.0
 
Jan. 16, 2019, 10 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) N/A N/A 28.4 μg/m3 (85) 85.0
 
Jan. 16, 2019, 9 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) N/A N/A 27.0 μg/m3 (82) 82.0
 
Jan. 16, 2019, 8 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) N/A N/A 26.4 μg/m3 (81) 81.0
 
Jan. 16, 2019, 7 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) N/A N/A 27.0 μg/m3 (82) 82.0
 
Jan. 16, 2019, 6 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A N/A 26.5 μg/m3 (81) 81.0
 
Jan. 16, 2019, 5 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 32.0 ppb (25) N/A N/A 25.5 μg/m3 (79) 79.0
 
Jan. 16, 2019, 4 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 31.0 ppb (24) N/A N/A 24.3 μg/m3 (76) 76.0
 
Jan. 16, 2019, 3 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (10) N/A N/A 31.0 ppb (24) N/A N/A 23.4 μg/m3 (74) 74.0
 
Jan. 16, 2019, 2 a.m. 13.0 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 28.0 ppb (22) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 16, 2019, 1 a.m. 15.0 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 26.0 ppb (20) N/A N/A 20.8 μg/m3 (69) 69.0
 
Jan. 16, 2019, midnight 15.0 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 30.0 ppb (23) N/A N/A 20.9 μg/m3 (69) 69.0
 
Jan. 15, 2019, 11 p.m. 15.0 ppb (14) 2.0 ppb (2) N/A 13.0 ppb (12) N/A N/A 31.0 ppb (24) N/A N/A 21.1 μg/m3 (69) 69.0
 
Jan. 15, 2019, 10 p.m. 15.0 ppb (14) 3.0 ppb (3) N/A 13.0 ppb (12) N/A N/A 32.0 ppb (25) N/A N/A 20.7 μg/m3 (69) 69.0
 
Jan. 15, 2019, 9 p.m. 12.0 ppb (11) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A 34.0 ppb (26) N/A N/A 20.8 μg/m3 (69) 69.0
 
Jan. 15, 2019, 8 p.m. 12.0 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A 34.0 ppb (26) N/A N/A 18.7 μg/m3 (64) 64.0
 
Jan. 15, 2019, 7 p.m. 13.0 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) N/A N/A 17.3 μg/m3 (61) 61.0
 
Jan. 15, 2019, 6 p.m. 12.0 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A 32.0 ppb (25) N/A N/A 18.5 μg/m3 (64) 64.0
 
Jan. 15, 2019, 5 p.m. 14.0 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) N/A N/A 21.7 μg/m3 (71) 71.0
 
Jan. 15, 2019, 4 p.m. 15.0 ppb (14) 2.0 ppb (2) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) N/A N/A 23.2 μg/m3 (74) 74.0
 
Jan. 15, 2019, 3 p.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 27.0 ppb (21) N/A N/A 21.7 μg/m3 (71) 71.0
 
Jan. 15, 2019, 2 p.m. 11.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A N/A 30.0 ppb (23) N/A N/A 19.2 μg/m3 (65) 65.0
 
Jan. 15, 2019, 1 p.m. 13.0 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 26.0 ppb (20) N/A N/A 23.9 μg/m3 (75) 75.0
 
Jan. 15, 2019, noon 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 24.0 ppb (18) N/A N/A 27.8 μg/m3 (84) 84.0
 
Jan. 15, 2019, 11 a.m. 13.0 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) N/A N/A 29.1 μg/m3 (86) 86.0
 
Jan. 15, 2019, 10 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 23.0 ppb (18) N/A N/A 29.1 μg/m3 (86) 86.0
 
Jan. 15, 2019, 9 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 24.0 ppb (18) N/A N/A 27.6 μg/m3 (83) 83.0
 
Jan. 15, 2019, 8 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 24.0 ppb (18) N/A N/A 27.0 μg/m3 (82) 82.0
 
Jan. 15, 2019, 7 a.m. 13.0 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 26.0 ppb (20) N/A N/A 24.4 μg/m3 (76) 76.0
 
Jan. 15, 2019, 6 a.m. 13.0 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) N/A N/A 23.9 μg/m3 (75) 75.0
 
Jan. 15, 2019, 5 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 26.0 ppb (20) N/A N/A 22.8 μg/m3 (73) 73.0
 
Jan. 15, 2019, 4 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) N/A N/A 19.9 μg/m3 (67) 67.0
 
Jan. 15, 2019, 3 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) N/A N/A 19.5 μg/m3 (66) 66.0
 
Jan. 15, 2019, 2 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) N/A N/A 19.2 μg/m3 (65) 65.0
 
Jan. 15, 2019, 1 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) N/A N/A 17.8 μg/m3 (62) 62.0
 
Jan. 15, 2019, midnight 10.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) N/A N/A 16.8 μg/m3 (60) 60.0
 
Jan. 14, 2019, 11 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 32.0 ppb (25) N/A N/A 16.8 μg/m3 (60) 60.0
 
Jan. 14, 2019, 10 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 33.0 ppb (25) N/A N/A 16.9 μg/m3 (60) 60.0
 
Jan. 14, 2019, 9 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A N/A 17.5 μg/m3 (62) 62.0
 
Jan. 14, 2019, 8 p.m. 9.0 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 17.2 μg/m3 (61) 61.0
 
Jan. 14, 2019, 7 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 14.4 μg/m3 (55) 55.0
 
Jan. 14, 2019, 6 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 13.7 μg/m3 (54) 54.0
 
Jan. 14, 2019, 5 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A 14.1 μg/m3 (54) 54.0
 
Jan. 14, 2019, 4 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 14, 2019, 3 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 12.8 μg/m3 (52) 52.0
 
Jan. 14, 2019, 2 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A 13.7 μg/m3 (54) 54.0
 
Jan. 14, 2019, 1 p.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A 11.7 μg/m3 (49) 49.0
 
Jan. 14, 2019, noon 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A 11.2 μg/m3 (47) 47.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 10.2 μg/m3 (42) 42.0
 
Jan. 14, 2019, 10 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 9.6 μg/m3 (40) 40.0
 
Jan. 14, 2019, 9 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A 9.7 μg/m3 (40) 40.0
 
Jan. 14, 2019, 8 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 14, 2019, 7 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 8.9 μg/m3 (37) 37.0
 
Jan. 14, 2019, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A 9.5 μg/m3 (40) 40.0
 
Jan. 14, 2019, 5 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A N/A 10.4 μg/m3 (43) 43.0
 
Jan. 14, 2019, 4 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A N/A 10.4 μg/m3 (43) 43.0
 
Jan. 14, 2019, 3 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 2 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A N/A 9.5 μg/m3 (40) 40.0
 
Jan. 14, 2019, 1 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 14, 2019, midnight 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 13, 2019, 11 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A N/A 9.5 μg/m3 (40) 40.0
 
Jan. 13, 2019, 10 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 9.3 μg/m3 (39) 39.0
 
Jan. 13, 2019, 9 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 13, 2019, 8 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 13, 2019, 7 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
Jan. 13, 2019, 6 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A N/A 5.8 μg/m3 (24) 27.0
 
Jan. 13, 2019, 5 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A 5.7 μg/m3 (24) 27.0
 
Jan. 13, 2019, 4 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A 5.9 μg/m3 (25) 27.0
 
Jan. 13, 2019, 3 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 13, 2019, 2 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A 7.7 μg/m3 (32) 32.0
 
Jan. 13, 2019, 1 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 7.2 μg/m3 (30) 30.0
 
Jan. 13, 2019, noon 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 13, 2019, 10 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2019, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 13, 2019, 8 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) N/A N/A 10.7 μg/m3 (45) 45.0
 
Jan. 13, 2019, 7 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) N/A N/A 11.4 μg/m3 (48) 48.0
 
Jan. 13, 2019, 6 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 10.8 μg/m3 (45) 45.0
 
Jan. 13, 2019, 5 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) N/A N/A 13.3 μg/m3 (53) 53.0
 
Jan. 13, 2019, 4 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A N/A 13.1 μg/m3 (52) 52.0
 
Jan. 13, 2019, 3 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) N/A N/A 15.8 μg/m3 (58) 58.0
 
Jan. 13, 2019, 2 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) N/A N/A 13.9 μg/m3 (54) 54.0
 
Jan. 13, 2019, 1 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) N/A N/A 16.3 μg/m3 (59) 59.0
 
Jan. 13, 2019, midnight 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) N/A N/A 17.5 μg/m3 (62) 62.0
 
Jan. 12, 2019, 11 p.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) N/A N/A 14.4 μg/m3 (55) 55.0
 
Jan. 12, 2019, 10 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) N/A N/A 15.4 μg/m3 (57) 57.0
 
Jan. 12, 2019, 9 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A 13.6 μg/m3 (53) 53.0
 
Jan. 12, 2019, 8 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 10.2 μg/m3 (42) 42.0
 
Jan. 12, 2019, 7 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 12, 2019, 6 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 4.3 μg/m3 (18) 23.0
 
Jan. 12, 2019, 5 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A 3.5 μg/m3 (15) 20.0
 
Jan. 12, 2019, 4 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) N/A N/A 3.9 μg/m3 (16) 19.0
 
Jan. 12, 2019, 3 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2019, 2 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Jan. 12, 2019, 1 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Jan. 12, 2019, noon 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 2.5 μg/m3 (10) 18.0
 
Jan. 12, 2019, 11 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 3.2 μg/m3 (13) 18.0
 
Jan. 12, 2019, 10 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A 3.4 μg/m3 (14) 18.0
 
Jan. 12, 2019, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) N/A N/A 3.2 μg/m3 (13) 18.0
 
Jan. 12, 2019, 8 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) N/A N/A 3.7 μg/m3 (15) 18.0
 
Jan. 12, 2019, 7 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A N/A 4.8 μg/m3 (20) 20.0
 
Jan. 12, 2019, 6 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A N/A 8.5 μg/m3 (35) 35.0
 
Jan. 12, 2019, 5 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A N/A 11.2 μg/m3 (47) 47.0
 
Jan. 12, 2019, 4 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A N/A 13.1 μg/m3 (52) 52.0
 
Jan. 12, 2019, 3 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 14.1 μg/m3 (54) 54.0
 
Jan. 12, 2019, 2 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) N/A N/A 14.3 μg/m3 (55) 55.0
 
Jan. 12, 2019, 1 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) N/A N/A 14.9 μg/m3 (56) 56.0
 
Jan. 12, 2019, midnight 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (9) N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 11, 2019, 11 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 10.0 ppb (8) N/A N/A 16.1 μg/m3 (59) 59.0
 
Jan. 11, 2019, 10 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A N/A 20.4 μg/m3 (68) 68.0
 
Jan. 11, 2019, 9 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 24.7 μg/m3 (77) 77.0
 
Jan. 11, 2019, 8 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) N/A N/A 34.4 μg/m3 (98) 98.0
 
Jan. 11, 2019, 7 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 36.3 μg/m3 (102) 102.0
 
Jan. 11, 2019, 6 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 34.7 μg/m3 (98) 98.0
 
Jan. 11, 2019, 5 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) N/A N/A 32.5 μg/m3 (94) 94.0
 
Jan. 11, 2019, 4 p.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) N/A N/A 29.5 μg/m3 (87) 87.0
 
Jan. 11, 2019, 3 p.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 13.0 ppb (10) N/A N/A 30.0 μg/m3 (88) 88.0
 
Jan. 11, 2019, 2 p.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) N/A N/A 21.8 μg/m3 (71) 71.0
 
Jan. 11, 2019, 1 p.m. 11.0 ppb (10) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) N/A N/A 24.0 μg/m3 (76) 76.0
 
Jan. 11, 2019, noon 12.0 ppb (11) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) N/A N/A 27.0 μg/m3 (82) 82.0
 
Jan. 11, 2019, 11 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 27.2 μg/m3 (82) 82.0
 
Jan. 11, 2019, 10 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A N/A 15.0 ppb (12) N/A N/A 27.1 μg/m3 (82) 82.0
 
Jan. 11, 2019, 9 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 15.0 ppb (12) N/A N/A 26.2 μg/m3 (80) 80.0
 
Jan. 11, 2019, 8 a.m. 15.0 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 11.0 ppb (8) N/A N/A 25.2 μg/m3 (78) 78.0
 
Jan. 11, 2019, 7 a.m. 14.0 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (13) N/A N/A 12.0 ppb (9) N/A N/A 19.7 μg/m3 (66) 66.0
 
Jan. 11, 2019, 6 a.m. 17.0 ppb (16) 0.0 ppb (0) N/A 16.0 ppb (15) N/A N/A 15.0 ppb (12) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 11, 2019, 5 a.m. 17.0 ppb (16) 0.0 ppb (0) N/A 17.0 ppb (16) N/A N/A 15.0 ppb (12) N/A N/A 23.1 μg/m3 (74) 74.0
 
Jan. 11, 2019, 4 a.m. 15.0 ppb (14) 0.0 ppb (0) N/A 15.0 ppb (14) N/A N/A 18.0 ppb (14) N/A N/A 26.6 μg/m3 (81) 81.0
 
Jan. 11, 2019, 3 a.m. 13.0 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A N/A 16.0 ppb (12) N/A N/A 22.1 μg/m3 (71) 71.0
 
Jan. 11, 2019, 2 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) N/A N/A 22.4 μg/m3 (72) 72.0
 
Jan. 11, 2019, 1 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) N/A N/A 25.2 μg/m3 (78) 78.0
 
Jan. 11, 2019, midnight 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) N/A N/A 27.5 μg/m3 (83) 83.0
 
Jan. 10, 2019, 11 p.m. 13.0 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 29.0 ppb (22) N/A N/A 26.5 μg/m3 (81) 81.0
 
Jan. 10, 2019, 10 p.m. 13.0 ppb (12) 2.0 ppb (2) N/A 12.0 ppb (11) N/A N/A 32.0 ppb (25) N/A N/A 29.6 μg/m3 (87) 87.0
 
Jan. 10, 2019, 9 p.m. 14.0 ppb (13) 2.0 ppb (2) N/A 12.0 ppb (11) N/A N/A 33.0 ppb (25) N/A N/A 30.5 μg/m3 (89) 89.0
 
Jan. 10, 2019, 8 p.m. 14.0 ppb (13) 2.0 ppb (2) N/A 12.0 ppb (11) N/A N/A 32.0 ppb (25) N/A N/A 29.9 μg/m3 (88) 88.0
 
Jan. 10, 2019, 7 p.m. 16.0 ppb (15) 4.0 ppb (4) N/A 12.0 ppb (11) N/A N/A 28.0 ppb (22) N/A N/A 29.2 μg/m3 (87) 87.0
 
Jan. 10, 2019, 6 p.m. 19.0 ppb (18) 7.0 ppb (6) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) N/A N/A 26.3 μg/m3 (80) 80.0
 
Jan. 10, 2019, 5 p.m. 12.0 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) N/A N/A 25.5 μg/m3 (79) 79.0
 
Jan. 10, 2019, 4 p.m. 14.0 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) N/A N/A 22.4 μg/m3 (72) 72.0
 
Jan. 10, 2019, 3 p.m. 10.0 ppb (9) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) N/A N/A 18.0 μg/m3 (63) 63.0
 
Jan. 10, 2019, 2 p.m. 15.0 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 15.0 ppb (12) N/A N/A 13.9 μg/m3 (54) 54.0
 
Jan. 10, 2019, 1 p.m. 13.0 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A N/A 19.0 ppb (15) N/A N/A 12.2 μg/m3 (50) 50.0