AQSQID: 490210005

Site Name: Enoch

Location: Enoch, UT

Reporting: True, Located: True

Current AQI: 28.0

Enoch UT, US: 37.747445, -113.055524

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 21, 2019, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A 0.8 μg/m3 (3) 28.0
 
Jan. 21, 2019, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A 0.6 μg/m3 (2) 28.0
 
Jan. 21, 2019, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 0.4 μg/m3 (2) 27.0
 
Jan. 21, 2019, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) N/A N/A 1.0 μg/m3 (4) 27.0
 
Jan. 21, 2019, 5 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 0.4 μg/m3 (2) 27.0
 
Jan. 21, 2019, 4 a.m. 1.0 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 0.2 μg/m3 (1) 25.0
 
Jan. 21, 2019, 3 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 0.1 μg/m3 (0) 26.0
 
Jan. 21, 2019, 1 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 0.4 μg/m3 (2) 25.0
 
Jan. 21, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 1.4 μg/m3 (6) 25.0
 
Jan. 20, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 0.5 μg/m3 (2) 25.0
 
Jan. 20, 2019, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (25) N/A N/A 0.1 μg/m3 (0) 25.0
 
Jan. 20, 2019, 9 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 34.0 ppb (26) N/A N/A 0.3 μg/m3 (1) 26.0
 
Jan. 20, 2019, 8 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (25) N/A N/A 0.4 μg/m3 (2) 25.0
 
Jan. 20, 2019, 7 p.m. 1.0 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 0.6 μg/m3 (2) 26.0
 
Jan. 20, 2019, 6 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 1.4 μg/m3 (6) 24.0
 
Jan. 20, 2019, 5 p.m. 13.0 ppb (12) 7.0 ppb (6) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 2.5 μg/m3 (10) 18.0
 
Jan. 20, 2019, 4 p.m. 13.0 ppb (12) 7.0 ppb (6) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) N/A N/A 2.2 μg/m3 (9) 16.0
 
Jan. 20, 2019, 3 p.m. 14.0 ppb (13) 5.0 ppb (5) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) N/A N/A 1.1 μg/m3 (5) 14.0
 
Jan. 20, 2019, 2 p.m. 15.0 ppb (14) 6.0 ppb (6) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) N/A N/A 0.5 μg/m3 (2) 14.0
 
Jan. 20, 2019, 1 p.m. 10.0 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) N/A N/A 0.3 μg/m3 (1) 10.0
 
Jan. 20, 2019, noon 10.0 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) N/A N/A 0.3 μg/m3 (1) 10.0
 
Jan. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 0.4 μg/m3 (2) 12.0
 
Jan. 20, 2019, 10 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (12) N/A N/A 0.5 μg/m3 (2) 12.0
 
Jan. 20, 2019, 9 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (10) N/A N/A 0.9 μg/m3 (4) 10.0
 
Jan. 20, 2019, 8 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 11.0 ppb (8) N/A N/A 1.8 μg/m3 (8) 8.0
 
Jan. 20, 2019, 7 a.m. 14.0 ppb (13) 4.0 ppb (4) N/A 10.0 ppb (9) N/A N/A 10.0 ppb (8) N/A N/A 2.5 μg/m3 (10) 13.0
 
Jan. 20, 2019, 6 a.m. 27.0 ppb (25) 9.0 ppb (8) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (3) N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 20, 2019, 5 a.m. 22.0 ppb (20) 8.0 ppb (7) N/A 14.0 ppb (13) N/A N/A 6.0 ppb (5) N/A N/A 5.5 μg/m3 (23) 23.0
 
Jan. 20, 2019, 4 a.m. 19.0 ppb (18) 6.0 ppb (6) N/A 13.0 ppb (12) N/A N/A 10.0 ppb (8) N/A N/A 6.9 μg/m3 (29) 29.0
 
Jan. 20, 2019, 3 a.m. 28.0 ppb (26) 9.0 ppb (8) N/A 19.0 ppb (18) N/A N/A 6.0 ppb (5) N/A N/A 7.7 μg/m3 (32) 32.0
 
Jan. 20, 2019, 2 a.m. 34.0 ppb (31) 17.0 ppb (16) N/A 17.0 ppb (16) N/A N/A 9.0 ppb (7) N/A N/A 5.5 μg/m3 (23) 31.0
 
Jan. 20, 2019, 1 a.m. 31.0 ppb (29) 16.0 ppb (15) N/A 15.0 ppb (14) N/A N/A 10.0 ppb (8) N/A N/A 3.1 μg/m3 (13) 29.0
 
Jan. 20, 2019, midnight 29.0 ppb (27) 17.0 ppb (16) N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) N/A N/A 2.4 μg/m3 (10) 27.0
 
Jan. 19, 2019, 11 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 0.7 μg/m3 (3) 26.0
 
Jan. 19, 2019, 10 p.m. 1.0 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 0.8 μg/m3 (3) 31.0
 
Jan. 19, 2019, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
Jan. 19, 2019, 8 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 1.5 μg/m3 (6) 34.0
 
Jan. 19, 2019, 7 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 1.5 μg/m3 (6) 32.0
 
Jan. 19, 2019, 6 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 1.6 μg/m3 (7) 28.0
 
Jan. 19, 2019, 5 p.m. 9.0 ppb (8) 6.0 ppb (6) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 2.6 μg/m3 (11) 22.0
 
Jan. 19, 2019, 4 p.m. 13.0 ppb (12) 8.0 ppb (7) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) N/A N/A 3.4 μg/m3 (14) 16.0
 
Jan. 19, 2019, 3 p.m. 14.0 ppb (13) 5.0 ppb (5) N/A 9.0 ppb (8) N/A N/A 11.0 ppb (8) N/A N/A 10.1 μg/m3 (42) 42.0
 
Jan. 19, 2019, 2 p.m. 19.0 ppb (18) 5.0 ppb (5) N/A 14.0 ppb (13) N/A N/A 9.0 ppb (7) N/A N/A 4.0 μg/m3 (17) 18.0
 
Jan. 19, 2019, 1 p.m. 19.0 ppb (18) 7.0 ppb (6) N/A 13.0 ppb (12) N/A N/A 9.0 ppb (7) N/A N/A 3.1 μg/m3 (13) 18.0
 
Jan. 19, 2019, noon 12.0 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) N/A N/A 2.8 μg/m3 (12) 12.0
 
Jan. 19, 2019, 11 a.m. 13.0 ppb (12) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 3.2 μg/m3 (13) 13.0
 
Jan. 19, 2019, 10 a.m. 16.0 ppb (15) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 10.0 ppb (8) N/A N/A 5.3 μg/m3 (22) 22.0
 
Jan. 19, 2019, 9 a.m. 13.0 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) N/A N/A 2.6 μg/m3 (11) 12.0
 
Jan. 19, 2019, 8 a.m. 13.0 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 9.0 ppb (7) N/A N/A 1.0 μg/m3 (4) 12.0
 
Jan. 19, 2019, 7 a.m. 13.0 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A 12.0 ppb (9) N/A N/A 2.7 μg/m3 (11) 12.0
 
Jan. 19, 2019, 6 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 1.1 μg/m3 (5) 17.0
 
Jan. 19, 2019, 5 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 0.9 μg/m3 (4) 22.0
 
Jan. 19, 2019, 4 a.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 0.3 μg/m3 (1) 27.0
 
Jan. 19, 2019, 3 a.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 0.2 μg/m3 (1) 28.0
 
Jan. 19, 2019, 2 a.m. 7.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A 0.7 μg/m3 (3) 27.0
 
Jan. 19, 2019, 1 a.m. 20.0 ppb (19) 9.0 ppb (8) N/A 11.0 ppb (10) N/A N/A 31.0 ppb (24) N/A N/A 0.4 μg/m3 (2) 24.0
 
Jan. 19, 2019, midnight 9.0 ppb (8) 5.0 ppb (5) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A N/A 0.3 μg/m3 (1) 30.0
 
Jan. 18, 2019, 11 p.m. 4.0 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 0.2 μg/m3 (1) 33.0
 
Jan. 18, 2019, 10 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 0.1 μg/m3 (0) 35.0
 
Jan. 18, 2019, 9 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 0.1 μg/m3 (0) 35.0
 
Jan. 18, 2019, 8 p.m. 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
Jan. 18, 2019, 7 p.m. 2.0 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 0.1 μg/m3 (0) 35.0
 
Jan. 18, 2019, 6 p.m. 3.0 ppb (3) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 0.2 μg/m3 (1) 33.0
 
Jan. 18, 2019, 5 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 0.2 μg/m3 (1) 34.0
 
Jan. 18, 2019, 4 p.m. 7.0 ppb (6) 4.0 ppb (4) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A 0.3 μg/m3 (1) 29.0
 
Jan. 18, 2019, 3 p.m. 42.0 ppb (39) 23.0 ppb (21) N/A 20.0 ppb (19) N/A N/A 15.0 ppb (12) N/A N/A 0.9 μg/m3 (4) 39.0
 
Jan. 18, 2019, 2 p.m. 16.0 ppb (15) 6.0 ppb (6) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) N/A N/A 0.5 μg/m3 (2) 15.0
 
Jan. 18, 2019, 1 p.m. 8.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A N/A 0.5 μg/m3 (2) 15.0
 
Jan. 18, 2019, noon 4.0 ppb (4) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) N/A N/A 0.4 μg/m3 (2) 17.0
 
Jan. 18, 2019, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 0.2 μg/m3 (1) 25.0
 
Jan. 18, 2019, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 0.2 μg/m3 (1) 26.0
 
Jan. 18, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 0.3 μg/m3 (1) 27.0
 
Jan. 18, 2019, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 0.3 μg/m3 (1) 27.0
 
Jan. 18, 2019, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 0.2 μg/m3 (1) 26.0
 
Jan. 18, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 0.2 μg/m3 (1) 26.0
 
Jan. 18, 2019, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 0.2 μg/m3 (1) 25.0
 
Jan. 18, 2019, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 0.2 μg/m3 (1) 25.0
 
Jan. 18, 2019, 3 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 0.2 μg/m3 (1) 27.0
 
Jan. 18, 2019, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 0.1 μg/m3 (0) 25.0
 
Jan. 18, 2019, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 0.1 μg/m3 (0) 24.0
 
Jan. 18, 2019, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 0.1 μg/m3 (0) 24.0
 
Jan. 17, 2019, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 0.2 μg/m3 (1) 25.0
 
Jan. 17, 2019, 10 p.m. 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) N/A N/A 0.1 μg/m3 (0) 27.0
 
Jan. 17, 2019, 9 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A 0.1 μg/m3 (0) 28.0
 
Jan. 17, 2019, 8 p.m. 1.0 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 0.1 μg/m3 (0) 26.0
 
Jan. 17, 2019, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 0.2 μg/m3 (1) 24.0
 
Jan. 17, 2019, 6 p.m. 5.0 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 0.2 μg/m3 (1) 23.0
 
Jan. 17, 2019, 5 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 0.2 μg/m3 (1) 24.0
 
Jan. 17, 2019, 4 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) N/A N/A 0.2 μg/m3 (1) 24.0
 
Jan. 17, 2019, 3 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) N/A N/A 0.2 μg/m3 (1) 24.0
 
Jan. 17, 2019, 2 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) N/A N/A 0.4 μg/m3 (2) 24.0
 
Jan. 17, 2019, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 0.4 μg/m3 (2) 25.0
 
Jan. 17, 2019, noon 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A 0.3 μg/m3 (1) 28.0
 
Jan. 17, 2019, 11 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (32) N/A N/A 0.4 μg/m3 (2) 32.0
 
Jan. 17, 2019, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 0.2 μg/m3 (1) 32.0
 
Jan. 17, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A N/A 0.6 μg/m3 (2) 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 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
Jan. 17, 2019, 7 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) N/A N/A 1.6 μg/m3 (7) 19.0
 
Jan. 17, 2019, 6 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 1.5 μg/m3 (6) 23.0
 
Jan. 17, 2019, 5 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A N/A 0.9 μg/m3 (4) 25.0
 
Jan. 17, 2019, 4 a.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 0.9 μg/m3 (4) 24.0
 
Jan. 17, 2019, 3 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A 0.5 μg/m3 (2) 26.0
 
Jan. 17, 2019, 2 a.m. 16.0 ppb (15) 5.0 ppb (5) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) N/A N/A 1.0 μg/m3 (4) 20.0
 
Jan. 17, 2019, 1 a.m. 10.0 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A 0.7 μg/m3 (3) 23.0
 
Jan. 17, 2019, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 0.5 μg/m3 (2) 28.0
 
Jan. 16, 2019, 11 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 0.4 μg/m3 (2) 30.0
 
Jan. 16, 2019, 10 p.m. 1.0 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 0.2 μg/m3 (1) 32.0
 
Jan. 16, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (33) N/A N/A 0.2 μg/m3 (1) 33.0
 
Jan. 16, 2019, 8 p.m. 1.0 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 0.2 μg/m3 (1) 32.0
 
Jan. 16, 2019, 7 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 0.2 μg/m3 (1) 32.0
 
Jan. 16, 2019, 6 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 0.1 μg/m3 (0) 31.0
 
Jan. 16, 2019, 5 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 0.2 μg/m3 (1) 28.0
 
Jan. 16, 2019, 4 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 0.4 μg/m3 (2) 28.0
 
Jan. 16, 2019, 3 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 0.3 μg/m3 (1) 26.0
 
Jan. 16, 2019, 2 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A N/A 0.1 μg/m3 (0) 25.0
 
Jan. 16, 2019, 1 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A 0.0 μg/m3 (0) 23.0
 
Jan. 16, 2019, noon 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 0.1 μg/m3 (0) 22.0
 
Jan. 16, 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 0.8 μg/m3 (3) 18.0
 
Jan. 16, 2019, 10 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) N/A N/A 2.3 μg/m3 (10) 12.0
 
Jan. 16, 2019, 9 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 1.1 μg/m3 (5) 16.0
 
Jan. 16, 2019, 8 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) N/A N/A 0.8 μg/m3 (3) 17.0
 
Jan. 16, 2019, 7 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 1.2 μg/m3 (5) 16.0
 
Jan. 16, 2019, 6 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) N/A N/A 3.6 μg/m3 (15) 15.0
 
Jan. 16, 2019, 5 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A N/A 2.5 μg/m3 (10) 15.0
 
Jan. 16, 2019, 4 a.m. 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 16, 2019, 3 a.m. 8.0 ppb (7) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A 13.0 ppb (10) N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 16, 2019, 2 a.m. 15.0 ppb (14) 6.0 ppb (6) N/A 9.0 ppb (8) N/A N/A 11.0 ppb (8) N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 16, 2019, 1 a.m. 10.0 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) N/A N/A 2.0 μg/m3 (8) 13.0
 
Jan. 16, 2019, midnight 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 3.8 μg/m3 (16) 16.0
 
Jan. 15, 2019, 11 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A 1.4 μg/m3 (6) 19.0
 
Jan. 15, 2019, 10 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A 2.6 μg/m3 (11) 19.0
 
Jan. 15, 2019, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 0.4 μg/m3 (2) 21.0
 
Jan. 15, 2019, 8 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Jan. 15, 2019, 7 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A N/A 0.4 μg/m3 (2) 22.0
 
Jan. 15, 2019, 6 p.m. 22.0 ppb (20) 10.0 ppb (9) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) N/A N/A 2.9 μg/m3 (12) 20.0
 
Jan. 15, 2019, 5 p.m. 14.0 ppb (13) 7.0 ppb (6) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) N/A N/A 11.6 μg/m3 (48) 48.0
 
Jan. 15, 2019, 4 p.m. 9.0 ppb (8) 4.0 ppb (4) N/A 5.0 ppb (5) N/A N/A 12.0 ppb (9) N/A N/A 11.9 μg/m3 (50) 50.0
 
Jan. 15, 2019, 3 p.m. 17.0 ppb (16) 10.0 ppb (9) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 15, 2019, 2 p.m. 17.0 ppb (16) 9.0 ppb (8) N/A 8.0 ppb (7) N/A N/A 10.0 ppb (8) N/A N/A 9.5 μg/m3 (40) 40.0
 
Jan. 15, 2019, 1 p.m. 14.0 ppb (13) 8.0 ppb (7) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 15, 2019, noon 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) N/A N/A 9.7 μg/m3 (40) 40.0
 
Jan. 15, 2019, 11 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 15, 2019, 10 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 15, 2019, 9 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) N/A N/A 8.3 μg/m3 (35) 35.0
 
Jan. 15, 2019, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) N/A N/A 8.2 μg/m3 (34) 34.0
 
Jan. 15, 2019, 7 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) N/A N/A 7.8 μg/m3 (32) 32.0
 
Jan. 15, 2019, 6 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) N/A N/A 8.3 μg/m3 (35) 35.0
 
Jan. 15, 2019, 5 a.m. 9.0 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 15, 2019, 4 a.m. 9.0 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 15, 2019, 3 a.m. 22.0 ppb (20) 6.0 ppb (6) N/A 16.0 ppb (15) N/A N/A 9.0 ppb (7) N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 15, 2019, 2 a.m. 10.0 ppb (9) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) N/A N/A 7.8 μg/m3 (32) 32.0
 
Jan. 15, 2019, 1 a.m. 16.0 ppb (15) 5.0 ppb (5) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) N/A N/A 6.9 μg/m3 (29) 29.0
 
Jan. 15, 2019, midnight 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 14, 2019, 11 p.m. 7.0 ppb (6) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 14, 2019, 10 p.m. 7.0 ppb (6) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) N/A N/A 5.8 μg/m3 (24) 24.0
 
Jan. 14, 2019, 9 p.m. 8.0 ppb (7) 5.0 ppb (5) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 8 p.m. 7.0 ppb (6) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) N/A N/A 6.1 μg/m3 (25) 25.0
 
Jan. 14, 2019, 7 p.m. 11.0 ppb (10) 6.0 ppb (6) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 14, 2019, 6 p.m. 10.0 ppb (9) 5.0 ppb (5) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A N/A 6.5 μg/m3 (27) 27.0
 
Jan. 14, 2019, 5 p.m. 10.0 ppb (9) 5.0 ppb (5) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 14, 2019, 4 p.m. 8.0 ppb (7) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 14, 2019, 3 p.m. 14.0 ppb (13) 8.0 ppb (7) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 2 p.m. 15.0 ppb (14) 10.0 ppb (9) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 5.7 μg/m3 (24) 24.0
 
Jan. 14, 2019, 1 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 5.2 μg/m3 (22) 22.0
 
Jan. 14, 2019, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 4.9 μg/m3 (20) 20.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2019, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 4.8 μg/m3 (20) 20.0
 
Jan. 14, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 3.8 μg/m3 (16) 20.0