AQSQID: 113490352005

Site Name: Copper View

Location: Midvale, UT

Reporting: True, Located: True

Current AQI: 32.0

Midvale UT, US: 40.598056, -111.894167

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 20, 2019, 8 a.m. 35.0 ppb (32) 3.0 ppb (3) N/A 33.0 ppb (31) N/A 0.0 ppb (0) 9.0 ppb (7) 0.21 ppb (2) N/A 6.2 μg/m3 (26) 32.0
 
March 20, 2019, 7 a.m. 35.0 ppb (32) 3.0 ppb (3) N/A 33.0 ppb (31) N/A -1.0 ppb (0) 9.0 ppb (7) 0.23 ppb (3) N/A 6.5 μg/m3 (27) 32.0
 
March 20, 2019, 6 a.m. 39.0 ppb (36) 2.0 ppb (2) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 11.0 ppb (8) 0.25 ppb (3) N/A 6.2 μg/m3 (26) 36.0
 
March 20, 2019, 5 a.m. 30.0 ppb (28) 1.0 ppb (1) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) N/A 5.3 μg/m3 (22) 28.0
 
March 20, 2019, 4 a.m. 30.0 ppb (28) 1.0 ppb (1) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 26.0 ppb (20) 0.27 ppb (3) N/A 4.9 μg/m3 (20) 28.0
 
March 20, 2019, 3 a.m. 24.0 ppb (22) 1.0 ppb (1) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 35.0 ppb (27) 0.21 ppb (2) N/A 3.8 μg/m3 (16) 27.0
 
March 20, 2019, 2 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 53.0 ppb (41) 0.09 ppb (1) N/A 2.8 μg/m3 (12) 41.0
 
March 20, 2019, 1 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 58.0 ppb (45) 0.05 ppb (1) N/A 2.7 μg/m3 (11) 45.0
 
March 20, 2019, midnight 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 57.0 ppb (44) 0.04 ppb (0) N/A 4.0 μg/m3 (17) 44.0
 
March 19, 2019, 11 p.m. 9.0 ppb (8) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 55.0 ppb (42) 0.03 ppb (0) N/A 5.3 μg/m3 (22) 42.0
 
March 19, 2019, 10 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 54.0 ppb (42) 0.04 ppb (0) N/A 5.7 μg/m3 (24) 42.0
 
March 19, 2019, 9 p.m. 12.0 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 51.0 ppb (39) 0.06 ppb (1) N/A 7.7 μg/m3 (32) 39.0
 
March 19, 2019, 8 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 51.0 ppb (39) 0.04 ppb (0) N/A 5.9 μg/m3 (25) 39.0
 
March 19, 2019, 7 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 48.0 ppb (37) 0.04 ppb (0) N/A 5.6 μg/m3 (23) 37.0
 
March 19, 2019, 6 p.m. 17.0 ppb (16) 6.0 ppb (6) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 43.0 ppb (33) 0.08 ppb (1) N/A 6.8 μg/m3 (28) 33.0
 
March 19, 2019, 5 p.m. 21.0 ppb (19) 8.0 ppb (7) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) N/A 7.4 μg/m3 (31) 31.0
 
March 19, 2019, 4 p.m. 45.0 ppb (42) 23.0 ppb (21) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 27.0 ppb (21) 0.22 ppb (2) N/A 7.8 μg/m3 (32) 42.0
 
March 19, 2019, 3 p.m. 84.0 ppb (82) 52.0 ppb (48) N/A 34.0 ppb (31) N/A 1.0 ppb (1) 12.0 ppb (9) 0.43 ppb (5) N/A 8.2 μg/m3 (34) 82.0
 
March 19, 2019, 2 p.m. 94.0 ppb (93) 57.0 ppb (53) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 6.0 ppb (5) 0.63 ppb (7) N/A 7.5 μg/m3 (31) 93.0
 
March 19, 2019, 1 p.m. 94.0 ppb (93) 54.0 ppb (50) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 0.0 ppb (0) 0.71 ppb (8) N/A 5.7 μg/m3 (24) 93.0
 
March 19, 2019, noon 85.0 ppb (83) 48.0 ppb (44) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.56 ppb (6) N/A 4.2 μg/m3 (18) 83.0
 
March 19, 2019, 11 a.m. 50.0 ppb (46) 16.0 ppb (15) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 3.2 μg/m3 (13) 46.0
 
March 19, 2019, 10 a.m. 43.0 ppb (40) 10.0 ppb (9) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) 0.22 ppb (2) N/A 3.3 μg/m3 (14) 40.0
 
March 19, 2019, 9 a.m. 51.0 ppb (47) 16.0 ppb (15) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 0.0 ppb (0) 0.27 ppb (3) N/A 4.2 μg/m3 (18) 47.0
 
March 19, 2019, 8 a.m. 56.0 ppb (52) 20.0 ppb (19) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.32 ppb (4) N/A 4.9 μg/m3 (20) 52.0
 
March 19, 2019, 7 a.m. 57.0 ppb (53) 18.0 ppb (17) N/A 40.0 ppb (37) N/A 0.0 ppb (0) 0.0 ppb (0) 0.29 ppb (3) N/A 5.4 μg/m3 (23) 53.0
 
March 19, 2019, 6 a.m. 50.0 ppb (46) 12.0 ppb (11) N/A 39.0 ppb (36) N/A 0.0 ppb (0) 0.0 ppb (0) 0.33 ppb (4) N/A 5.2 μg/m3 (22) 46.0
 
March 19, 2019, 5 a.m. 41.0 ppb (38) 3.0 ppb (3) N/A 39.0 ppb (36) N/A 0.0 ppb (0) 4.0 ppb (3) 0.27 ppb (3) N/A 5.9 μg/m3 (25) 38.0
 
March 19, 2019, 4 a.m. 37.0 ppb (34) 2.0 ppb (2) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 11.0 ppb (8) 0.25 ppb (3) N/A 6.2 μg/m3 (26) 34.0
 
March 19, 2019, 3 a.m. 21.0 ppb (19) 1.0 ppb (1) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) N/A 6.4 μg/m3 (27) 27.0
 
March 19, 2019, 2 a.m. 19.0 ppb (18) 1.0 ppb (1) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 36.0 ppb (28) 0.13 ppb (1) N/A 7.4 μg/m3 (31) 31.0
 
March 19, 2019, 1 a.m. 14.0 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 42.0 ppb (32) 0.07 ppb (1) N/A 6.3 μg/m3 (26) 32.0
 
March 19, 2019, midnight 11.0 ppb (10) 2.0 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 47.0 ppb (36) 0.06 ppb (1) N/A 6.4 μg/m3 (27) 36.0
 
March 18, 2019, 11 p.m. 14.0 ppb (13) 3.0 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 48.0 ppb (37) 0.05 ppb (1) N/A 9.3 μg/m3 (39) 39.0
 
March 18, 2019, 10 p.m. 18.0 ppb (17) 4.0 ppb (4) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 45.0 ppb (35) 0.08 ppb (1) N/A 11.4 μg/m3 (48) 48.0
 
March 18, 2019, 9 p.m. 21.0 ppb (19) 6.0 ppb (6) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 42.0 ppb (32) 0.09 ppb (1) N/A 12.6 μg/m3 (51) 51.0
 
March 18, 2019, 8 p.m. 23.0 ppb (21) 7.0 ppb (6) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 42.0 ppb (32) 0.12 ppb (1) N/A 13.8 μg/m3 (54) 54.0
 
March 18, 2019, 7 p.m. 18.0 ppb (17) 6.0 ppb (6) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 45.0 ppb (35) 0.11 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
March 18, 2019, 6 p.m. 22.0 ppb (20) 7.0 ppb (6) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 41.0 ppb (32) 0.11 ppb (1) N/A 10.3 μg/m3 (43) 43.0
 
March 18, 2019, 5 p.m. 25.0 ppb (23) 9.0 ppb (8) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 36.0 ppb (28) 0.11 ppb (1) N/A 9.5 μg/m3 (40) 40.0
 
March 18, 2019, 4 p.m. 29.0 ppb (27) 11.0 ppb (10) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) N/A 7.8 μg/m3 (32) 32.0
 
March 18, 2019, 3 p.m. 74.0 ppb (71) 41.0 ppb (38) N/A 34.0 ppb (31) N/A 1.0 ppb (1) 15.0 ppb (12) 0.36 ppb (4) N/A 9.3 μg/m3 (39) 71.0
 
March 18, 2019, 2 p.m. 90.0 ppb (88) 48.0 ppb (44) N/A 43.0 ppb (40) N/A 0.0 ppb (0) 4.0 ppb (3) 0.5 ppb (6) N/A 9.5 μg/m3 (40) 88.0
 
March 18, 2019, 1 p.m. 93.0 ppb (91) 50.0 ppb (46) N/A 44.0 ppb (41) N/A 0.0 ppb (0) 0.0 ppb (0) 0.62 ppb (7) N/A 8.4 μg/m3 (35) 91.0
 
March 18, 2019, noon 67.0 ppb (64) 26.0 ppb (24) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (3) N/A 7.7 μg/m3 (32) 64.0
 
March 18, 2019, 11 a.m. 43.0 ppb (40) 9.0 ppb (8) N/A 35.0 ppb (32) N/A N/A 3.0 ppb (2) 0.2 ppb (2) N/A 6.9 μg/m3 (29) 40.0
 
March 18, 2019, 10 a.m. 40.0 ppb (37) 7.0 ppb (6) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 3.0 ppb (2) 0.18 ppb (2) N/A 6.8 μg/m3 (28) 37.0
 
March 18, 2019, 9 a.m. 35.0 ppb (32) 4.0 ppb (4) N/A 32.0 ppb (30) N/A 0.0 ppb (0) 4.0 ppb (3) 0.17 ppb (2) N/A 5.7 μg/m3 (24) 32.0
 
March 18, 2019, 8 a.m. 36.0 ppb (33) 4.0 ppb (4) N/A 33.0 ppb (31) N/A 0.0 ppb (0) 5.0 ppb (4) 0.19 ppb (2) N/A 5.8 μg/m3 (24) 33.0
 
March 18, 2019, 7 a.m. 30.0 ppb (28) 4.0 ppb (4) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 11.0 ppb (8) 0.18 ppb (2) N/A 6.4 μg/m3 (27) 28.0
 
March 18, 2019, 6 a.m. 32.0 ppb (30) 3.0 ppb (3) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 12.0 ppb (9) 0.23 ppb (3) N/A 7.3 μg/m3 (30) 30.0
 
March 18, 2019, 5 a.m. 35.0 ppb (32) 2.0 ppb (2) N/A 33.0 ppb (31) N/A 0.0 ppb (0) 9.0 ppb (7) 0.26 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
March 18, 2019, 4 a.m. 29.0 ppb (27) 2.0 ppb (2) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 16.0 ppb (12) 0.22 ppb (2) N/A 7.2 μg/m3 (30) 30.0
 
March 18, 2019, 3 a.m. 17.0 ppb (16) 1.0 ppb (1) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 35.0 ppb (27) 0.11 ppb (1) N/A 6.7 μg/m3 (28) 28.0
 
March 18, 2019, 2 a.m. 16.0 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 40.0 ppb (31) 0.15 ppb (2) N/A 6.6 μg/m3 (28) 31.0
 
March 18, 2019, 1 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 46.0 ppb (35) 0.08 ppb (1) N/A 6.4 μg/m3 (27) 35.0
 
March 18, 2019, midnight 10.0 ppb (9) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 50.0 ppb (38) 0.05 ppb (1) N/A 7.6 μg/m3 (32) 38.0
 
March 17, 2019, 11 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 52.0 ppb (40) 0.07 ppb (1) N/A 8.4 μg/m3 (35) 40.0
 
March 17, 2019, 10 p.m. 11.0 ppb (10) 2.0 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 51.0 ppb (39) 0.06 ppb (1) N/A 10.9 μg/m3 (45) 45.0
 
March 17, 2019, 9 p.m. 14.0 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 48.0 ppb (37) 0.09 ppb (1) N/A 12.6 μg/m3 (51) 51.0
 
March 17, 2019, 8 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 53.0 ppb (41) 0.08 ppb (1) N/A 11.7 μg/m3 (49) 49.0
 
March 17, 2019, 7 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 51.0 ppb (39) 0.08 ppb (1) N/A 11.3 μg/m3 (47) 47.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.08 ppb (1) N/A 11.7 μg/m3 (49) 49.0
 
March 17, 2019, 5 p.m. 15.0 ppb (14) 5.0 ppb (5) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 42.0 ppb (32) 0.09 ppb (1) N/A 11.3 μg/m3 (47) 47.0
 
March 17, 2019, 4 p.m. 28.0 ppb (26) 10.0 ppb (9) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 33.0 ppb (25) 0.17 ppb (2) N/A 11.7 μg/m3 (49) 49.0
 
March 17, 2019, 3 p.m. 34.0 ppb (31) 12.0 ppb (11) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 25.0 ppb (19) 0.19 ppb (2) N/A 11.4 μg/m3 (48) 48.0
 
March 17, 2019, 2 p.m. 68.0 ppb (65) 32.0 ppb (30) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 7.0 ppb (5) 0.34 ppb (4) N/A 11.7 μg/m3 (49) 65.0
 
March 17, 2019, 1 p.m. 60.0 ppb (56) 20.0 ppb (19) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 1.0 ppb (1) 0.26 ppb (3) N/A 11.1 μg/m3 (46) 56.0
 
March 17, 2019, noon 42.0 ppb (39) 7.0 ppb (6) N/A 36.0 ppb (33) N/A 0.0 ppb (0) 5.0 ppb (4) 0.18 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 9.0 ppb (7) 0.2 ppb (2) N/A 11.7 μg/m3 (49) 49.0
 
March 17, 2019, 10 a.m. 36.0 ppb (33) 4.0 ppb (4) N/A 33.0 ppb (31) N/A 0.0 ppb (0) 8.0 ppb (6) 0.21 ppb (2) N/A 12.3 μg/m3 (51) 51.0
 
March 17, 2019, 9 a.m. 34.0 ppb (31) 3.0 ppb (3) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 6.0 ppb (5) 0.21 ppb (2) N/A 10.9 μg/m3 (45) 45.0
 
March 17, 2019, 8 a.m. 39.0 ppb (36) 6.0 ppb (6) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 6.0 ppb (5) 0.26 ppb (3) N/A 10.6 μg/m3 (44) 44.0
 
March 17, 2019, 7 a.m. 51.0 ppb (47) 13.0 ppb (12) N/A 40.0 ppb (37) N/A 0.0 ppb (0) 4.0 ppb (3) 0.42 ppb (5) N/A 11.4 μg/m3 (48) 48.0
 
March 17, 2019, 6 a.m. 71.0 ppb (68) 27.0 ppb (25) N/A 45.0 ppb (42) N/A 0.0 ppb (0) 0.0 ppb (0) 0.63 ppb (7) N/A 13.2 μg/m3 (53) 68.0
 
March 17, 2019, 5 a.m. 65.0 ppb (62) 18.0 ppb (17) N/A 48.0 ppb (44) N/A 0.0 ppb (0) 0.0 ppb (0) 0.53 ppb (6) N/A 11.1 μg/m3 (46) 62.0
 
March 17, 2019, 4 a.m. 59.0 ppb (55) 11.0 ppb (10) N/A 49.0 ppb (45) N/A 0.0 ppb (0) 3.0 ppb (2) 0.54 ppb (6) N/A 11.1 μg/m3 (46) 55.0
 
March 17, 2019, 3 a.m. 40.0 ppb (37) 2.0 ppb (2) N/A 39.0 ppb (36) N/A 0.0 ppb (0) 16.0 ppb (12) 0.37 ppb (4) N/A 9.3 μg/m3 (39) 39.0
 
March 17, 2019, 2 a.m. 20.0 ppb (19) 1.0 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 39.0 ppb (30) 0.15 ppb (2) N/A 8.4 μg/m3 (35) 35.0
 
March 17, 2019, 1 a.m. 13.0 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 50.0 ppb (38) 0.09 ppb (1) N/A 8.4 μg/m3 (35) 38.0
 
March 17, 2019, midnight 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 55.0 ppb (42) 0.06 ppb (1) N/A 7.9 μg/m3 (33) 42.0
 
March 16, 2019, 11 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 53.0 ppb (41) 0.04 ppb (0) N/A 8.7 μg/m3 (36) 41.0
 
March 16, 2019, 10 p.m. 14.0 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 50.0 ppb (38) 0.06 ppb (1) N/A 9.8 μg/m3 (41) 41.0
 
March 16, 2019, 9 p.m. 15.0 ppb (14) 4.0 ppb (4) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 48.0 ppb (37) 0.07 ppb (1) N/A 11.6 μg/m3 (48) 48.0
 
March 16, 2019, 8 p.m. 16.0 ppb (15) 5.0 ppb (5) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) N/A 13.6 μg/m3 (53) 53.0
 
March 16, 2019, 7 p.m. 17.0 ppb (16) 5.0 ppb (5) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 45.0 ppb (35) 0.09 ppb (1) N/A 12.9 μg/m3 (52) 52.0
 
March 16, 2019, 6 p.m. 16.0 ppb (15) 5.0 ppb (5) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 44.0 ppb (34) 0.07 ppb (1) N/A 16.1 μg/m3 (59) 59.0
 
March 16, 2019, 5 p.m. 19.0 ppb (18) 6.0 ppb (6) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 40.0 ppb (31) 0.09 ppb (1) N/A 16.7 μg/m3 (60) 60.0
 
March 16, 2019, 4 p.m. 36.0 ppb (33) 16.0 ppb (15) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 29.0 ppb (22) 0.18 ppb (2) N/A 15.5 μg/m3 (57) 57.0
 
March 16, 2019, 3 p.m. 59.0 ppb (55) 31.0 ppb (29) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 16.0 ppb (12) 0.28 ppb (3) N/A 16.9 μg/m3 (60) 60.0
 
March 16, 2019, 2 p.m. 89.0 ppb (87) 50.0 ppb (46) N/A 39.0 ppb (36) N/A 0.0 ppb (0) 5.0 ppb (4) 0.4 ppb (4) N/A 13.5 μg/m3 (53) 87.0
 
March 16, 2019, 1 p.m. 79.0 ppb (77) 38.0 ppb (35) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 1.0 ppb (1) 0.39 ppb (4) N/A 11.1 μg/m3 (46) 77.0
 
March 16, 2019, noon 55.0 ppb (51) 17.0 ppb (16) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.28 ppb (3) N/A 11.1 μg/m3 (46) 51.0
 
March 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.16 ppb (2) N/A 11.1 μg/m3 (46) 46.0
 
March 16, 2019, 10 a.m. 46.0 ppb (43) 9.0 ppb (8) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 1.0 ppb (1) 0.17 ppb (2) N/A 10.9 μg/m3 (45) 45.0
 
March 16, 2019, 9 a.m. 48.0 ppb (44) 11.0 ppb (10) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 1.0 ppb (1) 0.2 ppb (2) N/A 10.4 μg/m3 (43) 44.0
 
March 16, 2019, 8 a.m. 38.0 ppb (35) 5.0 ppb (5) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 5.0 ppb (4) 0.19 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
March 16, 2019, 7 a.m. 37.0 ppb (34) 4.0 ppb (4) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 7.0 ppb (5) 0.22 ppb (2) N/A 9.7 μg/m3 (40) 40.0
 
March 16, 2019, 6 a.m. 49.0 ppb (45) 11.0 ppb (10) N/A 39.0 ppb (36) N/A 0.0 ppb (0) 2.0 ppb (2) 0.31 ppb (3) N/A 10.0 μg/m3 (42) 45.0
 
March 16, 2019, 5 a.m. 58.0 ppb (54) 16.0 ppb (15) N/A 42.0 ppb (39) N/A 0.0 ppb (0) 1.0 ppb (1) 0.48 ppb (5) N/A 9.8 μg/m3 (41) 54.0
 
March 16, 2019, 4 a.m. 36.0 ppb (33) 3.0 ppb (3) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 10.0 ppb (8) 0.29 ppb (3) N/A 8.3 μg/m3 (35) 35.0
 
March 16, 2019, 3 a.m. 27.0 ppb (25) 2.0 ppb (2) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) N/A 6.5 μg/m3 (27) 27.0
 
March 16, 2019, 2 a.m. 15.0 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 36.0 ppb (28) 0.08 ppb (1) N/A 5.3 μg/m3 (22) 28.0
 
March 16, 2019, 1 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 41.0 ppb (32) 0.05 ppb (1) N/A 5.1 μg/m3 (21) 32.0
 
March 16, 2019, midnight 13.0 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 44.0 ppb (34) 0.07 ppb (1) N/A 5.5 μg/m3 (23) 34.0
 
March 15, 2019, 11 p.m. 16.0 ppb (15) 4.0 ppb (4) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) N/A 6.8 μg/m3 (28) 33.0
 
March 15, 2019, 10 p.m. 15.0 ppb (14) 4.0 ppb (4) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) N/A 7.6 μg/m3 (32) 36.0
 
March 15, 2019, 9 p.m. 11.0 ppb (10) 4.0 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 50.0 ppb (38) 0.06 ppb (1) N/A 7.0 μg/m3 (29) 38.0
 
March 15, 2019, 8 p.m. 13.0 ppb (12) 5.0 ppb (5) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 47.0 ppb (36) 0.06 ppb (1) N/A 7.2 μg/m3 (30) 36.0
 
March 15, 2019, 7 p.m. 18.0 ppb (17) 8.0 ppb (7) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 43.0 ppb (33) 0.09 ppb (1) N/A 9.3 μg/m3 (39) 39.0
 
March 15, 2019, 6 p.m. 23.0 ppb (21) 11.0 ppb (10) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 40.0 ppb (31) 0.11 ppb (1) N/A 10.8 μg/m3 (45) 45.0
 
March 15, 2019, 5 p.m. 28.0 ppb (26) 13.0 ppb (12) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) N/A 13.1 μg/m3 (52) 52.0
 
March 15, 2019, 4 p.m. 44.0 ppb (41) 23.0 ppb (21) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 29.0 ppb (22) 0.19 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
March 15, 2019, 3 p.m. 80.0 ppb (78) 46.0 ppb (43) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 16.0 ppb (12) 0.38 ppb (4) N/A 18.3 μg/m3 (63) 78.0
 
March 15, 2019, 2 p.m. 152.0 ppb (110) 101.0 ppb (100) N/A 51.0 ppb (47) N/A 1.0 ppb (1) 5.0 ppb (4) 1.18 ppb (13) N/A 9.9 μg/m3 (41) 110.0
 
March 15, 2019, 1 p.m. 107.0 ppb (101) 56.0 ppb (52) N/A 52.0 ppb (48) N/A 0.0 ppb (0) 1.0 ppb (1) 0.9 ppb (10) N/A 6.7 μg/m3 (28) 101.0
 
March 15, 2019, noon 77.0 ppb (74) 31.0 ppb (29) N/A 47.0 ppb (44) N/A 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) N/A 5.0 μg/m3 (21) 74.0
 
March 15, 2019, 11 a.m. 43.0 ppb (40) 5.0 ppb (5) N/A 38.0 ppb (35) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 4.3 μg/m3 (18) 40.0
 
March 15, 2019, 10 a.m. 42.0 ppb (39) 4.0 ppb (4) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 5.0 ppb (4) 0.16 ppb (2) N/A 5.8 μg/m3 (24) 39.0
 
March 15, 2019, 9 a.m. 40.0 ppb (37) 5.0 ppb (5) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 4.0 ppb (3) 0.17 ppb (2) N/A 5.1 μg/m3 (21) 37.0
 
March 15, 2019, 8 a.m. 36.0 ppb (33) 3.0 ppb (3) N/A 33.0 ppb (31) N/A 0.0 ppb (0) 10.0 ppb (8) 0.17 ppb (2) N/A 4.9 μg/m3 (20) 33.0
 
March 15, 2019, 7 a.m. 40.0 ppb (37) 3.0 ppb (3) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 5.0 ppb (4) 0.3 ppb (3) N/A 5.3 μg/m3 (22) 37.0
 
March 15, 2019, 6 a.m. 38.0 ppb (35) 3.0 ppb (3) N/A 36.0 ppb (33) N/A -1.0 ppb (0) 6.0 ppb (5) 0.26 ppb (3) N/A 6.6 μg/m3 (28) 35.0
 
March 15, 2019, 5 a.m. 37.0 ppb (34) 3.0 ppb (3) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 9.0 ppb (7) 0.26 ppb (3) N/A 4.6 μg/m3 (19) 34.0
 
March 15, 2019, 4 a.m. 35.0 ppb (32) 4.0 ppb (4) N/A 32.0 ppb (30) N/A 0.0 ppb (0) 15.0 ppb (12) 0.23 ppb (3) N/A 5.0 μg/m3 (21) 32.0
 
March 15, 2019, 3 a.m. 36.0 ppb (33) 4.0 ppb (4) N/A 33.0 ppb (31) N/A 0.0 ppb (0) 14.0 ppb (11) 0.25 ppb (3) N/A 9.2 μg/m3 (38) 38.0
 
March 15, 2019, 2 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 38.0 ppb (29) 0.08 ppb (1) N/A 2.5 μg/m3 (10) 29.0
 
March 15, 2019, 1 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.04 ppb (0) N/A 2.2 μg/m3 (9) 33.0
 
March 15, 2019, midnight 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 46.0 ppb (35) 0.02 ppb (0) N/A 2.7 μg/m3 (11) 35.0
 
March 14, 2019, 11 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (37) 0.04 ppb (0) N/A 4.3 μg/m3 (18) 37.0
 
March 14, 2019, 10 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (37) 0.03 ppb (0) N/A 4.2 μg/m3 (18) 37.0
 
March 14, 2019, 9 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (37) 0.01 ppb (0) N/A 3.7 μg/m3 (15) 37.0
 
March 14, 2019, 8 p.m. 5.0 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.01 ppb (0) N/A 3.1 μg/m3 (13) 37.0
 
March 14, 2019, 7 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (35) 0.0 ppb (0) N/A 3.4 μg/m3 (14) 35.0
 
March 14, 2019, 6 p.m. 7.0 ppb (6) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (33) 0.01 ppb (0) N/A 3.6 μg/m3 (15) 33.0
 
March 14, 2019, 5 p.m. 10.0 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.01 ppb (0) N/A 3.6 μg/m3 (15) 31.0
 
March 14, 2019, 4 p.m. 15.0 ppb (14) 6.0 ppb (6) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 34.0 ppb (26) 0.05 ppb (1) N/A 2.6 μg/m3 (11) 26.0
 
March 14, 2019, 3 p.m. 20.0 ppb (19) 7.0 ppb (6) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 30.0 ppb (23) 0.06 ppb (1) N/A 2.6 μg/m3 (11) 23.0
 
March 14, 2019, 2 p.m. 32.0 ppb (30) 8.0 ppb (7) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 19.0 ppb (15) 0.19 ppb (2) N/A 3.0 μg/m3 (12) 30.0
 
March 14, 2019, 1 p.m. 27.0 ppb (25) 3.0 ppb (3) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 17.0 ppb (13) 0.15 ppb (2) N/A 3.2 μg/m3 (13) 25.0
 
March 14, 2019, noon 15.0 ppb (14) 1.0 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 26.0 ppb (20) 0.04 ppb (0) N/A 2.1 μg/m3 (9) 20.0
 
March 14, 2019, 11 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 33.0 ppb (25) 0.0 ppb (0) N/A 1.8 μg/m3 (8) 25.0
 
March 14, 2019, 10 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 1.8 μg/m3 (8) 28.0
 
March 14, 2019, 9 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (26) 0.01 ppb (0) N/A 2.3 μg/m3 (10) 26.0
 
March 14, 2019, 8 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (26) 0.01 ppb (0) N/A 2.8 μg/m3 (12) 26.0
 
March 14, 2019, 7 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 2.7 μg/m3 (11) 29.0
 
March 14, 2019, 6 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 36.0 ppb (28) 0.01 ppb (0) N/A 4.0 μg/m3 (17) 28.0
 
March 14, 2019, 5 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 36.0 ppb (28) 0.01 ppb (0) N/A 3.7 μg/m3 (15) 28.0
 
March 14, 2019, 4 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 34.0 ppb (26) 0.02 ppb (0) N/A 3.9 μg/m3 (16) 26.0
 
March 14, 2019, 3 a.m. 13.0 ppb (12) 1.0 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 33.0 ppb (25) 0.05 ppb (1) N/A 3.3 μg/m3 (14) 25.0
 
March 14, 2019, 2 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 36.0 ppb (28) 0.03 ppb (0) N/A 1.9 μg/m3 (8) 28.0
 
March 14, 2019, 1 a.m. 15.0 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 33.0 ppb (25) 0.09 ppb (1) N/A 2.6 μg/m3 (11) 25.0
 
March 14, 2019, midnight 12.0 ppb (11) 2.0 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 1.8 μg/m3 (8) 28.0
 
March 13, 2019, 11 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 41.0 ppb (32) 0.03 ppb (0) N/A 1.3 μg/m3 (5) 32.0
 
March 13, 2019, 10 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.06 ppb (1) N/A 1.4 μg/m3 (6) 32.0
 
March 13, 2019, 9 p.m. 12.0 ppb (11) 4.0 ppb (4) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 1.9 μg/m3 (8) 31.0
 
March 13, 2019, 8 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (33) 0.0 ppb (0) N/A 0.8 μg/m3 (3) 33.0
 
March 13, 2019, 7 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 45.0 ppb (35) 0.01 ppb (0) N/A 1.1 μg/m3 (5) 35.0
 
March 13, 2019, 6 p.m. 7.0 ppb (6) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (34) 0.01 ppb (0) N/A 0.5 μg/m3 (2) 34.0
 
March 13, 2019, 5 p.m. 7.0 ppb (6) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 45.0 ppb (35) 0.02 ppb (0) N/A 0.5 μg/m3 (2) 35.0
 
March 13, 2019, 4 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 44.0 ppb (34) 0.02 ppb (0) N/A 0.5 μg/m3 (2) 34.0
 
March 13, 2019, 3 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.02 ppb (0) N/A 0.5 μg/m3 (2) 33.0
 
March 13, 2019, 2 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.01 ppb (0) N/A 0.3 μg/m3 (1) 33.0
 
March 13, 2019, 1 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.01 ppb (0) N/A 0.4 μg/m3 (2) 33.0
 
March 13, 2019, noon 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (34) 0.01 ppb (0) N/A 0.6 μg/m3 (2) 34.0
 
March 13, 2019, 11 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 0.6 μg/m3 (2) 34.0
 
March 13, 2019, 10 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 0.6 μg/m3 (2) 34.0
 
March 13, 2019, 9 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 0.4 μg/m3 (2) 32.0