AQSQID: 113490354002

Site Name: Nr

Location: Murray, UT

Reporting: True, Located: True

Current AQI: 71.0

Murray UT, US: 40.662841, -111.901796

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 24, 2019, midnight 74.0 ppb (71) 34.0 ppb (31) N/A 40.0 ppb (37) N/A N/A 3.0 ppb (2) 0.0 ppb (0) N/A 12.8 μg/m3 (52) 71.0
 
Jan. 23, 2019, 11 p.m. 70.0 ppb (67) 35.0 ppb (32) N/A 36.0 ppb (33) N/A N/A 8.0 ppb (6) 0.1 ppb (1) N/A 14.0 μg/m3 (54) 67.0
 
Jan. 23, 2019, 10 p.m. 82.0 ppb (80) 48.0 ppb (44) N/A 35.0 ppb (32) N/A N/A 11.0 ppb (8) 0.1 ppb (1) N/A 15.7 μg/m3 (58) 80.0
 
Jan. 23, 2019, 9 p.m. 53.0 ppb (49) 28.0 ppb (26) N/A 24.0 ppb (22) N/A N/A 19.0 ppb (15) N/A N/A 11.1 μg/m3 (46) 49.0
 
Jan. 23, 2019, 8 p.m. 59.0 ppb (55) 33.0 ppb (31) N/A 26.0 ppb (24) N/A N/A 16.0 ppb (12) N/A N/A 13.8 μg/m3 (54) 55.0
 
Jan. 23, 2019, 7 p.m. 54.0 ppb (50) 31.0 ppb (29) N/A 23.0 ppb (21) N/A N/A 18.0 ppb (14) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 23, 2019, 6 p.m. 34.0 ppb (31) 14.0 ppb (13) N/A 19.0 ppb (18) N/A N/A 20.0 ppb (15) N/A N/A 11.4 μg/m3 (48) 48.0
 
Jan. 23, 2019, 5 p.m. 46.0 ppb (43) 24.0 ppb (22) N/A 22.0 ppb (20) N/A N/A 16.0 ppb (12) N/A N/A 13.5 μg/m3 (53) 53.0
 
Jan. 23, 2019, 4 p.m. 91.0 ppb (89) 58.0 ppb (54) N/A 34.0 ppb (31) N/A N/A 7.0 ppb (5) 0.0 ppb (0) N/A 18.9 μg/m3 (65) 89.0
 
Jan. 23, 2019, 3 p.m. 84.0 ppb (82) 51.0 ppb (47) N/A 34.0 ppb (31) N/A N/A 6.0 ppb (5) 0.0 ppb (0) N/A 14.6 μg/m3 (56) 82.0
 
Jan. 23, 2019, 2 p.m. 73.0 ppb (70) 43.0 ppb (40) N/A 30.0 ppb (28) N/A N/A 6.0 ppb (5) 0.0 ppb (0) N/A 14.0 μg/m3 (54) 70.0
 
Jan. 23, 2019, 1 p.m. 83.0 ppb (81) 49.0 ppb (45) N/A 35.0 ppb (32) N/A N/A 3.0 ppb (2) 0.1 ppb (1) N/A 14.0 μg/m3 (54) 81.0
 
Jan. 23, 2019, noon 61.0 ppb (57) 26.0 ppb (24) N/A 35.0 ppb (32) N/A N/A 4.0 ppb (3) 0.0 ppb (0) N/A 12.5 μg/m3 (51) 57.0
 
Jan. 23, 2019, 11 a.m. 41.0 ppb (38) 12.0 ppb (11) N/A 30.0 ppb (28) N/A N/A 7.0 ppb (5) N/A N/A 11.1 μg/m3 (46) 46.0
 
Jan. 23, 2019, 10 a.m. 38.0 ppb (35) 10.0 ppb (9) N/A 29.0 ppb (27) N/A N/A 8.0 ppb (6) N/A N/A 9.9 μg/m3 (41) 41.0
 
Jan. 23, 2019, 9 a.m. 68.0 ppb (65) 30.0 ppb (28) N/A 39.0 ppb (36) N/A N/A 1.0 ppb (1) 0.0 ppb (0) N/A 9.5 μg/m3 (40) 65.0
 
Jan. 23, 2019, 8 a.m. 62.0 ppb (59) 23.0 ppb (21) N/A 38.0 ppb (35) N/A N/A 1.0 ppb (1) 0.0 ppb (0) N/A 10.9 μg/m3 (45) 59.0
 
Jan. 23, 2019, 7 a.m. 91.0 ppb (89) 52.0 ppb (48) N/A 40.0 ppb (37) N/A N/A 0.0 ppb (0) 0.1 ppb (1) N/A 13.8 μg/m3 (54) 89.0
 
Jan. 23, 2019, 6 a.m. 87.0 ppb (85) 48.0 ppb (44) N/A 40.0 ppb (37) N/A N/A 0.0 ppb (0) 0.1 ppb (1) N/A 15.2 μg/m3 (57) 85.0
 
Jan. 23, 2019, 5 a.m. 80.0 ppb (78) 41.0 ppb (38) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.1 ppb (1) N/A 15.3 μg/m3 (57) 78.0
 
Jan. 23, 2019, 4 a.m. 63.0 ppb (60) 24.0 ppb (22) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A 14.2 μg/m3 (55) 60.0
 
Jan. 23, 2019, 3 a.m. 50.0 ppb (46) 13.0 ppb (12) N/A 37.0 ppb (34) N/A N/A 2.0 ppb (2) 0.0 ppb (0) N/A 11.6 μg/m3 (48) 48.0
 
Jan. 23, 2019, 2 a.m. 84.0 ppb (82) 47.0 ppb (44) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.2 ppb (2) N/A 19.2 μg/m3 (65) 82.0
 
Jan. 23, 2019, 1 a.m. 38.0 ppb (35) 9.0 ppb (8) N/A 30.0 ppb (28) N/A N/A 6.0 ppb (5) 0.0 ppb (0) N/A 13.4 μg/m3 (53) 53.0
 
Jan. 23, 2019, midnight 15.0 ppb (14) 3.0 ppb (3) N/A 13.0 ppb (12) N/A N/A 24.0 ppb (18) N/A N/A 7.2 μg/m3 (30) 30.0
 
Jan. 22, 2019, 11 p.m. 12.0 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (7) N/A N/A 33.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Jan. 22, 2019, 10 p.m. 15.0 ppb (14) 9.0 ppb (8) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A 6.9 μg/m3 (29) 29.0
 
Jan. 22, 2019, 9 p.m. 7.0 ppb (6) 4.0 ppb (4) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Jan. 22, 2019, 8 p.m. 10.0 ppb (9) 5.0 ppb (5) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Jan. 22, 2019, 7 p.m. 15.0 ppb (14) 8.0 ppb (7) N/A 8.0 ppb (7) N/A N/A 33.0 ppb (25) N/A N/A 4.1 μg/m3 (17) 25.0
 
Jan. 22, 2019, 6 p.m. 28.0 ppb (26) 15.0 ppb (14) N/A 13.0 ppb (12) N/A N/A 29.0 ppb (22) N/A N/A 5.6 μg/m3 (23) 26.0
 
Jan. 22, 2019, 5 p.m. 94.0 ppb (93) 64.0 ppb (61) N/A 31.0 ppb (29) N/A N/A 15.0 ppb (12) N/A N/A 15.9 μg/m3 (58) 93.0
 
Jan. 22, 2019, 4 p.m. 153.0 ppb (110) 112.0 ppb (102) N/A 42.0 ppb (39) N/A N/A 7.0 ppb (5) 0.8 ppb (9) N/A 13.5 μg/m3 (53) 110.0
 
Jan. 22, 2019, 3 p.m. 197.0 ppb (118) 148.0 ppb (109) N/A 49.0 ppb (45) N/A N/A 2.0 ppb (2) 1.2 ppb (13) N/A 14.8 μg/m3 (56) 118.0
 
Jan. 22, 2019, 2 p.m. 118.0 ppb (103) 77.0 ppb (74) N/A 42.0 ppb (39) N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A 6.0 μg/m3 (25) 103.0
 
Jan. 22, 2019, 1 p.m. 117.0 ppb (103) 76.0 ppb (73) N/A 42.0 ppb (39) N/A N/A 0.0 ppb (0) 0.3 ppb (3) N/A 5.3 μg/m3 (22) 103.0
 
Jan. 22, 2019, noon 83.0 ppb (81) 43.0 ppb (40) N/A 41.0 ppb (38) N/A N/A 0.0 ppb (0) 0.1 ppb (1) N/A 5.2 μg/m3 (22) 81.0
 
Jan. 22, 2019, 11 a.m. 59.0 ppb (55) 20.0 ppb (19) N/A 39.0 ppb (36) N/A N/A 1.0 ppb (1) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 55.0
 
Jan. 22, 2019, 10 a.m. 32.0 ppb (30) 5.0 ppb (5) N/A 27.0 ppb (25) N/A N/A 9.0 ppb (7) N/A N/A 2.1 μg/m3 (9) 30.0
 
Jan. 22, 2019, 9 a.m. 34.0 ppb (31) 4.0 ppb (4) N/A 30.0 ppb (28) N/A N/A 7.0 ppb (5) N/A N/A 2.1 μg/m3 (9) 31.0
 
Jan. 22, 2019, 8 a.m. 38.0 ppb (35) 8.0 ppb (7) N/A 31.0 ppb (29) N/A N/A 7.0 ppb (5) 0.0 ppb (0) N/A 2.4 μg/m3 (10) 35.0
 
Jan. 22, 2019, 7 a.m. 15.0 ppb (14) 2.0 ppb (2) N/A 14.0 ppb (13) N/A N/A 23.0 ppb (18) N/A N/A 1.5 μg/m3 (6) 18.0
 
Jan. 22, 2019, 6 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) N/A N/A 0.7 μg/m3 (3) 20.0
 
Jan. 22, 2019, 5 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 26.0 ppb (20) N/A N/A 0.7 μg/m3 (3) 20.0
 
Jan. 22, 2019, 4 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) N/A N/A 0.8 μg/m3 (3) 21.0
 
Jan. 22, 2019, 3 a.m. 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 1.1 μg/m3 (5) 18.0
 
Jan. 22, 2019, 2 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) N/A N/A 1.0 μg/m3 (4) 20.0
 
Jan. 22, 2019, 1 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 26.0 ppb (20) N/A N/A 0.9 μg/m3 (4) 20.0
 
Jan. 22, 2019, midnight 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) N/A N/A 6.3 μg/m3 (26) 26.0
 
Jan. 21, 2019, 11 p.m. 11.0 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) N/A N/A 9.2 μg/m3 (38) 38.0
 
Jan. 21, 2019, 10 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A 0.9 μg/m3 (4) 22.0
 
Jan. 21, 2019, 9 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A 0.8 μg/m3 (3) 22.0
 
Jan. 21, 2019, 8 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A 0.8 μg/m3 (3) 22.0
 
Jan. 21, 2019, 7 p.m. 8.0 ppb (7) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
Jan. 21, 2019, 6 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A 0.6 μg/m3 (2) 25.0
 
Jan. 21, 2019, 5 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 0.5 μg/m3 (2) 25.0
 
Jan. 21, 2019, 4 p.m. 13.0 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) N/A N/A 0.5 μg/m3 (2) 17.0
 
Jan. 21, 2019, 3 p.m. 54.0 ppb (50) 29.0 ppb (27) N/A 26.0 ppb (24) N/A N/A 6.0 ppb (5) 0.0 ppb (0) N/A 1.9 μg/m3 (8) 50.0
 
Jan. 21, 2019, 2 p.m. 50.0 ppb (46) 26.0 ppb (24) N/A 24.0 ppb (22) N/A N/A 5.0 ppb (4) 0.0 ppb (0) N/A 3.4 μg/m3 (14) 46.0
 
Jan. 21, 2019, 1 p.m. 16.0 ppb (15) 2.0 ppb (2) N/A 15.0 ppb (14) N/A N/A 13.0 ppb (10) N/A N/A 3.1 μg/m3 (13) 15.0
 
Jan. 21, 2019, noon 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 4.4 μg/m3 (18) 18.0
 
Jan. 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 6.5 μg/m3 (27) 27.0
 
Jan. 21, 2019, 10 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A 4.7 μg/m3 (20) 20.0
 
Jan. 21, 2019, 9 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A N/A 0.4 μg/m3 (2) 24.0
 
Jan. 21, 2019, 8 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A N/A 0.5 μg/m3 (2) 23.0
 
Jan. 21, 2019, 7 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A N/A 0.5 μg/m3 (2) 23.0
 
Jan. 21, 2019, 6 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
Jan. 21, 2019, 5 a.m. 9.0 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A 0.9 μg/m3 (4) 22.0
 
Jan. 21, 2019, 4 a.m. 9.0 ppb (8) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) N/A N/A 0.8 μg/m3 (3) 22.0
 
Jan. 21, 2019, 3 a.m. 33.0 ppb (31) 13.0 ppb (12) N/A 21.0 ppb (19) N/A N/A 15.0 ppb (12) 0.0 ppb (0) N/A 2.6 μg/m3 (11) 31.0
 
Jan. 21, 2019, 2 a.m. 38.0 ppb (35) 15.0 ppb (14) N/A 23.0 ppb (21) N/A N/A 14.0 ppb (11) 0.0 ppb (0) N/A 2.9 μg/m3 (12) 35.0
 
Jan. 21, 2019, 1 a.m. 72.0 ppb (69) 38.0 ppb (35) N/A 34.0 ppb (31) N/A N/A 2.0 ppb (2) 0.3 ppb (3) N/A 6.6 μg/m3 (28) 69.0
 
Jan. 21, 2019, midnight 47.0 ppb (44) 19.0 ppb (18) N/A 29.0 ppb (27) N/A N/A 5.0 ppb (4) 0.1 ppb (1) N/A 7.5 μg/m3 (31) 44.0
 
Jan. 20, 2019, 11 p.m. 44.0 ppb (41) 18.0 ppb (17) N/A 27.0 ppb (25) N/A N/A 8.0 ppb (6) 0.1 ppb (1) N/A 6.2 μg/m3 (26) 41.0
 
Jan. 20, 2019, 10 p.m. 28.0 ppb (26) 10.0 ppb (9) N/A 19.0 ppb (18) N/A N/A 12.0 ppb (9) 0.0 ppb (0) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2019, 9 p.m. 25.0 ppb (23) 11.0 ppb (10) N/A 15.0 ppb (14) N/A N/A 17.0 ppb (13) 0.0 ppb (0) N/A 7.2 μg/m3 (30) 30.0
 
Jan. 20, 2019, 8 p.m. 19.0 ppb (18) 8.0 ppb (7) N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) N/A N/A 3.8 μg/m3 (16) 18.0
 
Jan. 20, 2019, 7 p.m. 17.0 ppb (16) 6.0 ppb (6) N/A 10.0 ppb (9) N/A N/A 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Jan. 20, 2019, 6 p.m. 20.0 ppb (19) 8.0 ppb (7) N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) N/A N/A 2.3 μg/m3 (10) 19.0
 
Jan. 20, 2019, 5 p.m. 36.0 ppb (33) 18.0 ppb (17) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (11) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 33.0
 
Jan. 20, 2019, 4 p.m. 45.0 ppb (42) 22.0 ppb (20) N/A 23.0 ppb (21) N/A N/A 9.0 ppb (7) 0.0 ppb (0) N/A 6.3 μg/m3 (26) 42.0
 
Jan. 20, 2019, 3 p.m. 34.0 ppb (31) 14.0 ppb (13) N/A 21.0 ppb (19) N/A N/A 11.0 ppb (8) 0.0 ppb (0) N/A 3.9 μg/m3 (16) 31.0
 
Jan. 20, 2019, 2 p.m. 25.0 ppb (23) 7.0 ppb (6) N/A 18.0 ppb (17) N/A N/A 14.0 ppb (11) 0.0 ppb (0) N/A 3.4 μg/m3 (14) 23.0
 
Jan. 20, 2019, 1 p.m. 24.0 ppb (22) 7.0 ppb (6) N/A 18.0 ppb (17) N/A N/A 15.0 ppb (12) 0.0 ppb (0) N/A 3.6 μg/m3 (15) 22.0
 
Jan. 20, 2019, noon 18.0 ppb (17) 5.0 ppb (5) N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) N/A N/A 3.5 μg/m3 (15) 17.0
 
Jan. 20, 2019, 11 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A 11.0 ppb (8) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 20.0
 
Jan. 20, 2019, 10 a.m. 48.0 ppb (44) 17.0 ppb (16) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.1 ppb (1) N/A 7.0 μg/m3 (29) 44.0
 
Jan. 20, 2019, 9 a.m. 33.0 ppb (31) 9.0 ppb (8) N/A 25.0 ppb (23) N/A N/A 8.0 ppb (6) 0.0 ppb (0) N/A 5.7 μg/m3 (24) 31.0
 
Jan. 20, 2019, 8 a.m. 23.0 ppb (21) 5.0 ppb (5) N/A 19.0 ppb (18) N/A N/A 17.0 ppb (13) 0.0 ppb (0) N/A 4.6 μg/m3 (19) 21.0
 
Jan. 20, 2019, 7 a.m. 37.0 ppb (34) 11.0 ppb (10) N/A 26.0 ppb (24) N/A N/A 9.0 ppb (7) 0.1 ppb (1) N/A 5.8 μg/m3 (24) 34.0
 
Jan. 20, 2019, 6 a.m. 27.0 ppb (25) 8.0 ppb (7) N/A 20.0 ppb (19) N/A N/A 17.0 ppb (13) 0.0 ppb (0) N/A 3.5 μg/m3 (15) 25.0
 
Jan. 20, 2019, 5 a.m. 25.0 ppb (23) 9.0 ppb (8) N/A 16.0 ppb (15) N/A N/A 21.0 ppb (16) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 23.0
 
Jan. 20, 2019, 4 a.m. 19.0 ppb (18) 4.0 ppb (4) N/A 16.0 ppb (15) N/A N/A 23.0 ppb (18) 0.0 ppb (0) N/A 3.4 μg/m3 (14) 18.0
 
Jan. 20, 2019, 3 a.m. 35.0 ppb (32) 11.0 ppb (10) N/A 25.0 ppb (23) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A 4.4 μg/m3 (18) 32.0
 
Jan. 20, 2019, 2 a.m. 39.0 ppb (36) 12.0 ppb (11) N/A 27.0 ppb (25) N/A N/A 13.0 ppb (10) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 36.0
 
Jan. 20, 2019, 1 a.m. 22.0 ppb (20) 3.0 ppb (3) N/A 20.0 ppb (19) N/A N/A 20.0 ppb (15) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 20.0
 
Jan. 20, 2019, midnight 18.0 ppb (17) 3.0 ppb (3) N/A 16.0 ppb (15) N/A N/A 23.0 ppb (18) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 18.0
 
Jan. 19, 2019, 11 p.m. 15.0 ppb (14) 4.0 ppb (4) N/A 12.0 ppb (11) N/A N/A 28.0 ppb (22) 0.0 ppb (0) N/A 3.0 μg/m3 (12) 22.0
 
Jan. 19, 2019, 10 p.m. 16.0 ppb (15) 6.0 ppb (6) N/A 11.0 ppb (10) N/A N/A 30.0 ppb (23) 0.0 ppb (0) N/A 2.9 μg/m3 (12) 23.0
 
Jan. 19, 2019, 9 p.m. 12.0 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (7) N/A N/A 33.0 ppb (25) N/A N/A 2.9 μg/m3 (12) 25.0
 
Jan. 19, 2019, 8 p.m. 34.0 ppb (31) 16.0 ppb (15) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (17) 0.0 ppb (0) N/A 5.3 μg/m3 (22) 31.0
 
Jan. 19, 2019, 7 p.m. 39.0 ppb (36) 19.0 ppb (18) N/A 20.0 ppb (19) N/A N/A 18.0 ppb (14) 0.0 ppb (0) N/A 5.8 μg/m3 (24) 36.0
 
Jan. 19, 2019, 6 p.m. 37.0 ppb (34) 18.0 ppb (17) N/A 19.0 ppb (18) N/A N/A 19.0 ppb (15) 0.0 ppb (0) N/A 5.5 μg/m3 (23) 34.0
 
Jan. 19, 2019, 5 p.m. 48.0 ppb (44) 23.0 ppb (21) N/A 25.0 ppb (23) N/A N/A 13.0 ppb (10) 0.1 ppb (1) N/A 6.8 μg/m3 (28) 44.0
 
Jan. 19, 2019, 4 p.m. 58.0 ppb (54) 30.0 ppb (28) N/A 28.0 ppb (26) N/A N/A 8.0 ppb (6) 0.1 ppb (1) N/A 7.4 μg/m3 (31) 54.0
 
Jan. 19, 2019, 3 p.m. 49.0 ppb (45) 25.0 ppb (23) N/A 25.0 ppb (23) N/A N/A 10.0 ppb (8) 0.0 ppb (0) N/A 5.6 μg/m3 (23) 45.0
 
Jan. 19, 2019, 2 p.m. 35.0 ppb (32) 15.0 ppb (14) N/A 20.0 ppb (19) N/A N/A 15.0 ppb (12) 0.0 ppb (0) N/A 5.6 μg/m3 (23) 32.0
 
Jan. 19, 2019, 1 p.m. 28.0 ppb (26) 9.0 ppb (8) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (11) 0.0 ppb (0) N/A 5.6 μg/m3 (23) 26.0
 
Jan. 19, 2019, noon 47.0 ppb (44) 18.0 ppb (17) N/A 29.0 ppb (27) N/A N/A 5.0 ppb (4) 8.0 ppb (85) N/A 5.3 μg/m3 (22) 85.0
 
Jan. 19, 2019, 11 a.m. 37.0 ppb (34) 12.0 ppb (11) N/A 25.0 ppb (23) N/A N/A 9.0 ppb (7) N/A N/A 5.9 μg/m3 (25) 34.0
 
Jan. 19, 2019, 10 a.m. 27.0 ppb (25) 7.0 ppb (6) N/A 21.0 ppb (19) N/A N/A 13.0 ppb (10) 0.0 ppb (0) N/A 3.9 μg/m3 (16) 25.0
 
Jan. 19, 2019, 9 a.m. 31.0 ppb (29) 8.0 ppb (7) N/A 23.0 ppb (21) N/A N/A 12.0 ppb (9) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 29.0
 
Jan. 19, 2019, 8 a.m. 37.0 ppb (34) 13.0 ppb (12) N/A 25.0 ppb (23) N/A N/A 9.0 ppb (7) 0.0 ppb (0) N/A 3.7 μg/m3 (15) 34.0
 
Jan. 19, 2019, 7 a.m. 40.0 ppb (37) 13.0 ppb (12) N/A 27.0 ppb (25) N/A N/A 8.0 ppb (6) 0.1 ppb (1) N/A 4.6 μg/m3 (19) 37.0
 
Jan. 19, 2019, 6 a.m. 51.0 ppb (47) 19.0 ppb (18) N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) 0.2 ppb (2) N/A 7.2 μg/m3 (30) 47.0
 
Jan. 19, 2019, 5 a.m. 56.0 ppb (52) 24.0 ppb (22) N/A 33.0 ppb (31) N/A N/A 4.0 ppb (3) 0.3 ppb (3) N/A 7.5 μg/m3 (31) 52.0
 
Jan. 19, 2019, 4 a.m. 73.0 ppb (70) 38.0 ppb (35) N/A 36.0 ppb (33) N/A N/A 1.0 ppb (1) 0.4 ppb (4) N/A 9.8 μg/m3 (41) 70.0
 
Jan. 19, 2019, 3 a.m. 64.0 ppb (61) 30.0 ppb (28) N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) 0.3 ppb (3) N/A 7.8 μg/m3 (32) 61.0
 
Jan. 19, 2019, 2 a.m. 70.0 ppb (67) 32.0 ppb (30) N/A 39.0 ppb (36) N/A N/A 1.0 ppb (1) 0.4 ppb (4) N/A 6.6 μg/m3 (28) 67.0
 
Jan. 19, 2019, 1 a.m. 64.0 ppb (61) 30.0 ppb (28) N/A 35.0 ppb (32) N/A N/A 8.0 ppb (6) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 61.0
 
Jan. 19, 2019, midnight 57.0 ppb (53) 28.0 ppb (26) N/A 30.0 ppb (28) N/A N/A 12.0 ppb (9) 0.3 ppb (3) N/A 4.6 μg/m3 (19) 53.0
 
Jan. 18, 2019, 11 p.m. 46.0 ppb (43) 22.0 ppb (20) N/A 25.0 ppb (23) N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A 3.8 μg/m3 (16) 43.0
 
Jan. 18, 2019, 10 p.m. 41.0 ppb (38) 20.0 ppb (19) N/A 21.0 ppb (19) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A 3.3 μg/m3 (14) 38.0
 
Jan. 18, 2019, 9 p.m. 56.0 ppb (52) 29.0 ppb (27) N/A 28.0 ppb (26) N/A N/A 18.0 ppb (14) 0.1 ppb (1) N/A 3.9 μg/m3 (16) 52.0
 
Jan. 18, 2019, 8 p.m. 40.0 ppb (37) 22.0 ppb (20) N/A 19.0 ppb (18) N/A N/A 24.0 ppb (18) 0.0 ppb (0) N/A 2.9 μg/m3 (12) 37.0
 
Jan. 18, 2019, 7 p.m. 41.0 ppb (38) 23.0 ppb (21) N/A 18.0 ppb (17) N/A N/A 25.0 ppb (19) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 38.0
 
Jan. 18, 2019, 6 p.m. 42.0 ppb (39) 21.0 ppb (19) N/A 21.0 ppb (19) N/A N/A 23.0 ppb (18) 0.0 ppb (0) N/A 5.7 μg/m3 (24) 39.0
 
Jan. 18, 2019, 5 p.m. 37.0 ppb (34) 18.0 ppb (17) N/A 19.0 ppb (18) N/A N/A 25.0 ppb (19) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 34.0
 
Jan. 18, 2019, 4 p.m. 45.0 ppb (42) 20.0 ppb (19) N/A 26.0 ppb (24) N/A N/A 20.0 ppb (15) 0.0 ppb (0) N/A 2.4 μg/m3 (10) 42.0
 
Jan. 18, 2019, 3 p.m. 60.0 ppb (56) 30.0 ppb (28) N/A 30.0 ppb (28) N/A N/A 16.0 ppb (12) 0.0 ppb (0) N/A 2.8 μg/m3 (12) 56.0
 
Jan. 18, 2019, 2 p.m. 42.0 ppb (39) 20.0 ppb (19) N/A 22.0 ppb (20) N/A N/A 21.0 ppb (16) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 39.0
 
Jan. 18, 2019, 1 p.m. 29.0 ppb (27) 14.0 ppb (13) N/A 16.0 ppb (15) N/A N/A 27.0 ppb (21) 0.0 ppb (0) N/A 1.8 μg/m3 (8) 27.0
 
Jan. 18, 2019, noon 32.0 ppb (30) 10.0 ppb (9) N/A 23.0 ppb (21) N/A N/A 21.0 ppb (16) 0.0 ppb (0) N/A 4.1 μg/m3 (17) 30.0
 
Jan. 18, 2019, 11 a.m. 22.0 ppb (20) 5.0 ppb (5) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 1.6 μg/m3 (7) 20.0
 
Jan. 18, 2019, 10 a.m. 18.0 ppb (17) 2.0 ppb (2) N/A 17.0 ppb (16) N/A N/A 16.0 ppb (12) N/A N/A 2.4 μg/m3 (10) 17.0
 
Jan. 18, 2019, 9 a.m. 23.0 ppb (21) 2.0 ppb (2) N/A 22.0 ppb (20) N/A N/A 13.0 ppb (10) N/A N/A 2.3 μg/m3 (10) 21.0
 
Jan. 18, 2019, 8 a.m. 30.0 ppb (28) 5.0 ppb (5) N/A 25.0 ppb (23) N/A N/A 11.0 ppb (8) 0.0 ppb (0) N/A 2.1 μg/m3 (9) 28.0
 
Jan. 18, 2019, 7 a.m. 28.0 ppb (26) 4.0 ppb (4) N/A 24.0 ppb (22) N/A N/A 11.0 ppb (8) 0.0 ppb (0) N/A 1.9 μg/m3 (8) 26.0
 
Jan. 18, 2019, 6 a.m. 23.0 ppb (21) 5.0 ppb (5) N/A 19.0 ppb (18) N/A N/A 19.0 ppb (15) N/A N/A 1.5 μg/m3 (6) 21.0
 
Jan. 18, 2019, 5 a.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 1.1 μg/m3 (5) 22.0
 
Jan. 18, 2019, 4 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
Jan. 18, 2019, 3 a.m. 23.0 ppb (21) 6.0 ppb (6) N/A 17.0 ppb (16) N/A N/A 25.0 ppb (19) 0.0 ppb (0) N/A 1.7 μg/m3 (7) 21.0
 
Jan. 18, 2019, 2 a.m. 22.0 ppb (20) 5.0 ppb (5) N/A 17.0 ppb (16) N/A N/A 23.0 ppb (18) 0.0 ppb (0) N/A 1.5 μg/m3 (6) 20.0
 
Jan. 18, 2019, 1 a.m. 37.0 ppb (34) 10.0 ppb (9) N/A 27.0 ppb (25) N/A N/A 9.0 ppb (7) 0.0 ppb (0) N/A 1.8 μg/m3 (8) 34.0
 
Jan. 18, 2019, midnight 34.0 ppb (31) 11.0 ppb (10) N/A 23.0 ppb (21) N/A N/A 14.0 ppb (11) 0.0 ppb (0) N/A 1.3 μg/m3 (5) 31.0
 
Jan. 17, 2019, 11 p.m. 32.0 ppb (30) 13.0 ppb (12) N/A 20.0 ppb (19) N/A N/A 20.0 ppb (15) 0.0 ppb (0) N/A 1.1 μg/m3 (5) 30.0
 
Jan. 17, 2019, 10 p.m. 35.0 ppb (32) 16.0 ppb (15) N/A 19.0 ppb (18) N/A N/A 22.0 ppb (17) 0.0 ppb (0) N/A 1.4 μg/m3 (6) 32.0
 
Jan. 17, 2019, 9 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A 0.4 μg/m3 (2) 24.0
 
Jan. 17, 2019, 8 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A 0.2 μg/m3 (1) 26.0
 
Jan. 17, 2019, 7 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A 0.4 μg/m3 (2) 25.0
 
Jan. 17, 2019, 6 p.m. 11.0 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) N/A N/A 0.5 μg/m3 (2) 24.0
 
Jan. 17, 2019, 5 p.m. 11.0 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) N/A N/A 0.7 μg/m3 (3) 23.0
 
Jan. 17, 2019, 4 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 0.5 μg/m3 (2) 24.0
 
Jan. 17, 2019, 3 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 0.5 μg/m3 (2) 22.0
 
Jan. 17, 2019, 2 p.m. 13.0 ppb (12) 4.0 ppb (4) N/A 10.0 ppb (9) N/A N/A 32.0 ppb (25) N/A N/A 0.4 μg/m3 (2) 25.0
 
Jan. 17, 2019, 1 p.m. 9.0 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) N/A N/A 0.3 μg/m3 (1) 28.0
 
Jan. 17, 2019, noon 9.0 ppb (8) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 35.0 ppb (27) N/A N/A 0.4 μg/m3 (2) 27.0
 
Jan. 17, 2019, 11 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A 0.3 μg/m3 (1) 27.0
 
Jan. 17, 2019, 10 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A 0.2 μg/m3 (1) 26.0
 
Jan. 17, 2019, 9 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A 0.2 μg/m3 (1) 25.0
 
Jan. 17, 2019, 8 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A 0.2 μg/m3 (1) 26.0
 
Jan. 17, 2019, 7 a.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 0.4 μg/m3 (2) 25.0
 
Jan. 17, 2019, 6 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) N/A N/A 0.5 μg/m3 (2) 26.0
 
Jan. 17, 2019, 5 a.m. 9.0 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 0.4 μg/m3 (2) 27.0
 
Jan. 17, 2019, 4 a.m. 14.0 ppb (13) 5.0 ppb (5) N/A 10.0 ppb (9) N/A N/A 32.0 ppb (25) N/A N/A 0.6 μg/m3 (2) 25.0
 
Jan. 17, 2019, 3 a.m. 18.0 ppb (17) 3.0 ppb (3) N/A 15.0 ppb (14) N/A N/A 28.0 ppb (22) N/A N/A 1.1 μg/m3 (5) 22.0
 
Jan. 17, 2019, 2 a.m. 12.0 ppb (11) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A 29.0 ppb (22) N/A N/A 0.7 μg/m3 (3) 22.0
 
Jan. 17, 2019, 1 a.m. 22.0 ppb (20) 4.0 ppb (4) N/A 18.0 ppb (17) N/A N/A 23.0 ppb (18) 0.0 ppb (0) N/A 0.9 μg/m3 (4) 20.0