AQSQID: 490530007

Site Name: Hurricane

Location: Hurricane, UT

Reporting: True, Located: True

Current AQI: 17.0

Hurricane UT, US: 37.179, -113.3052

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 20, 2019, 11 p.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 3.2 μg/m3 (13) 17.0
 
Jan. 20, 2019, 10 p.m. 2.0 ppb (2) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 1.6 μg/m3 (7) 21.0
 
Jan. 20, 2019, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 1.3 μg/m3 (5) 22.0
 
Jan. 20, 2019, 8 p.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 1.2 μg/m3 (5) 21.0
 
Jan. 20, 2019, 7 p.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A N/A 1.8 μg/m3 (8) 19.0
 
Jan. 20, 2019, 6 p.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A N/A 2.2 μg/m3 (9) 18.0
 
Jan. 20, 2019, 5 p.m. 1.0 ppb (1) -2.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
Jan. 20, 2019, 4 p.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 4.8 μg/m3 (20) 20.0
 
Jan. 20, 2019, 3 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) N/A N/A 4.6 μg/m3 (19) 19.0
 
Jan. 20, 2019, 2 p.m. 2.0 ppb (2) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) N/A N/A 1.6 μg/m3 (7) 13.0
 
Jan. 20, 2019, 1 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) N/A N/A 2.7 μg/m3 (11) 12.0
 
Jan. 20, 2019, noon 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 2.8 μg/m3 (12) 12.0
 
Jan. 20, 2019, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) N/A N/A 1.5 μg/m3 (6) 13.0
 
Jan. 20, 2019, 10 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) N/A N/A 2.2 μg/m3 (9) 15.0
 
Jan. 20, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (15) N/A N/A 1.3 μg/m3 (5) 15.0
 
Jan. 20, 2019, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (14) N/A N/A 3.0 μg/m3 (12) 14.0
 
Jan. 20, 2019, 7 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) N/A N/A 2.8 μg/m3 (12) 15.0
 
Jan. 20, 2019, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2019, 5 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (16) N/A N/A 1.1 μg/m3 (5) 16.0
 
Jan. 20, 2019, 4 a.m. 2.0 ppb (2) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A N/A 2.4 μg/m3 (10) 16.0
 
Jan. 20, 2019, 3 a.m. 5.0 ppb (5) -1.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) N/A N/A 3.1 μg/m3 (13) 15.0
 
Jan. 20, 2019, 2 a.m. 12.0 ppb (11) -2.0 ppb (0) N/A 13.0 ppb (12) N/A N/A 17.0 ppb (13) N/A N/A 5.8 μg/m3 (24) 24.0
 
Jan. 20, 2019, 1 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A N/A 3.0 μg/m3 (12) 20.0
 
Jan. 20, 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 0.4 μg/m3 (2) 28.0
 
Jan. 19, 2019, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A 0.2 μg/m3 (1) 30.0
 
Jan. 19, 2019, 10 p.m. 0.0 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (28) N/A N/A 0.3 μg/m3 (1) 28.0
 
Jan. 19, 2019, 9 p.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 0.9 μg/m3 (4) 25.0
 
Jan. 19, 2019, 8 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 0.8 μg/m3 (3) 24.0
 
Jan. 19, 2019, 7 p.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 0.6 μg/m3 (2) 25.0
 
Jan. 19, 2019, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 1.0 μg/m3 (4) 25.0
 
Jan. 19, 2019, 5 p.m. -1.0 ppb (0) -2.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 0.4 μg/m3 (2) 23.0
 
Jan. 19, 2019, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 0.4 μg/m3 (2) 21.0
 
Jan. 19, 2019, 3 p.m. 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 0.5 μg/m3 (2) 20.0
 
Jan. 19, 2019, 2 p.m. 0.0 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 28.0 ppb (22) N/A N/A 0.4 μg/m3 (2) 22.0
 
Jan. 19, 2019, 1 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 29.0 ppb (22) N/A N/A 0.2 μg/m3 (1) 22.0
 
Jan. 19, 2019, noon 0.0 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 29.0 ppb (22) N/A N/A 0.3 μg/m3 (1) 22.0
 
Jan. 19, 2019, 11 a.m. 0.0 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) N/A N/A 0.2 μg/m3 (1) 23.0
 
Jan. 19, 2019, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 0.4 μg/m3 (2) 22.0
 
Jan. 19, 2019, 9 a.m. 0.0 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) N/A N/A 0.4 μg/m3 (2) 23.0
 
Jan. 19, 2019, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 0.6 μg/m3 (2) 22.0
 
Jan. 19, 2019, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 0.7 μg/m3 (3) 22.0
 
Jan. 19, 2019, 6 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 0.9 μg/m3 (4) 25.0
 
Jan. 19, 2019, 5 a.m. 2.0 ppb (2) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A N/A 0.5 μg/m3 (2) 27.0
 
Jan. 19, 2019, 4 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 0.4 μg/m3 (2) 31.0
 
Jan. 19, 2019, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 0.4 μg/m3 (2) 31.0
 
Jan. 19, 2019, 2 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 0.6 μg/m3 (2) 32.0
 
Jan. 19, 2019, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) N/A N/A 1.0 μg/m3 (4) 34.0
 
Jan. 19, 2019, midnight 0.0 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) N/A N/A 0.2 μg/m3 (1) 35.0
 
Jan. 18, 2019, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A 0.2 μg/m3 (1) 35.0
 
Jan. 18, 2019, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A 0.2 μg/m3 (1) 35.0
 
Jan. 18, 2019, 9 p.m. 0.0 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (36) N/A N/A 0.2 μg/m3 (1) 36.0
 
Jan. 18, 2019, 8 p.m. 0.0 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) N/A N/A 0.3 μg/m3 (1) 35.0
 
Jan. 18, 2019, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) N/A N/A 0.3 μg/m3 (1) 35.0
 
Jan. 18, 2019, 6 p.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 0.5 μg/m3 (2) 33.0
 
Jan. 18, 2019, 5 p.m. 2.0 ppb (2) -1.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
Jan. 18, 2019, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 0.8 μg/m3 (3) 31.0
 
Jan. 18, 2019, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 0.3 μg/m3 (1) 32.0
 
Jan. 18, 2019, 2 p.m. 1.0 ppb (1) -3.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A 0.7 μg/m3 (3) 28.0
 
Jan. 18, 2019, 1 p.m. 7.0 ppb (6) -1.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A 0.9 μg/m3 (4) 23.0
 
Jan. 18, 2019, noon 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A 2.9 μg/m3 (12) 28.0
 
Jan. 18, 2019, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 1.9 μg/m3 (8) 28.0
 
Jan. 18, 2019, 10 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 1.4 μg/m3 (6) 27.0
 
Jan. 18, 2019, 9 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 1.4 μg/m3 (6) 20.0
 
Jan. 18, 2019, 8 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 1.2 μg/m3 (5) 21.0
 
Jan. 18, 2019, 7 a.m. 3.0 ppb (3) -1.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A 3.1 μg/m3 (13) 19.0
 
Jan. 18, 2019, 6 a.m. 3.0 ppb (3) -1.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) N/A N/A 3.2 μg/m3 (13) 18.0
 
Jan. 18, 2019, 5 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) N/A N/A 5.5 μg/m3 (23) 23.0
 
Jan. 18, 2019, 4 a.m. 7.0 ppb (6) -2.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) N/A N/A 2.9 μg/m3 (12) 14.0
 
Jan. 18, 2019, 3 a.m. 5.0 ppb (5) -2.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) N/A N/A 5.1 μg/m3 (21) 21.0
 
Jan. 18, 2019, 2 a.m. 6.0 ppb (6) -2.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) N/A N/A 3.1 μg/m3 (13) 15.0
 
Jan. 18, 2019, 1 a.m. 2.0 ppb (2) -3.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A N/A 1.9 μg/m3 (8) 18.0
 
Jan. 18, 2019, midnight 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 1.8 μg/m3 (8) 18.0
 
Jan. 17, 2019, 11 p.m. 2.0 ppb (2) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A 1.2 μg/m3 (5) 18.0
 
Jan. 17, 2019, 10 p.m. 3.0 ppb (3) -1.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) N/A N/A 1.2 μg/m3 (5) 19.0
 
Jan. 17, 2019, 9 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 1.5 μg/m3 (6) 21.0
 
Jan. 17, 2019, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 1.6 μg/m3 (7) 22.0
 
Jan. 17, 2019, 7 p.m. 2.0 ppb (2) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 3.3 μg/m3 (14) 21.0
 
Jan. 17, 2019, 6 p.m. 5.0 ppb (5) -2.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 11.9 μg/m3 (50) 50.0
 
Jan. 17, 2019, 5 p.m. 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 1.8 μg/m3 (8) 20.0
 
Jan. 17, 2019, 4 p.m. 15.0 ppb (14) 13.0 ppb (12) N/A 16.0 ppb (15) N/A N/A 27.0 ppb (21) N/A N/A 1.4 μg/m3 (6) 21.0
 
Jan. 17, 2019, 3 p.m. 4.0 ppb (4) -1.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 1.7 μg/m3 (7) 21.0
 
Jan. 17, 2019, 2 p.m. 3.0 ppb (3) -2.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) N/A N/A 1.3 μg/m3 (5) 20.0
 
Jan. 17, 2019, 1 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A N/A 1.3 μg/m3 (5) 22.0
 
Jan. 17, 2019, noon 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 1.3 μg/m3 (5) 22.0
 
Jan. 17, 2019, 11 a.m. N/A -3.0 ppb (0) N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 1.2 μg/m3 (5) 22.0
 
Jan. 17, 2019, 10 a.m. 0.0 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 28.0 ppb (22) N/A N/A 1.2 μg/m3 (5) 22.0
 
Jan. 17, 2019, 9 a.m. 0.0 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) N/A N/A 1.1 μg/m3 (5) 23.0
 
Jan. 17, 2019, 8 a.m. 0.0 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 31.0 ppb (24) N/A N/A 1.0 μg/m3 (4) 24.0
 
Jan. 17, 2019, 7 a.m. 0.0 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 31.0 ppb (24) N/A N/A 1.1 μg/m3 (5) 24.0
 
Jan. 17, 2019, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 29.0 ppb (22) N/A N/A 1.5 μg/m3 (6) 22.0
 
Jan. 17, 2019, 5 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 29.0 ppb (22) N/A N/A 1.5 μg/m3 (6) 22.0
 
Jan. 17, 2019, 4 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 1.3 μg/m3 (5) 23.0
 
Jan. 17, 2019, 3 a.m. 3.0 ppb (3) -1.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 2.5 μg/m3 (10) 21.0
 
Jan. 17, 2019, 2 a.m. 5.0 ppb (5) -3.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 4.1 μg/m3 (17) 18.0
 
Jan. 17, 2019, 1 a.m. 17.0 ppb (16) -3.0 ppb (0) N/A 20.0 ppb (19) N/A N/A 11.0 ppb (8) N/A N/A 9.5 μg/m3 (40) 40.0
 
Jan. 17, 2019, midnight 6.0 ppb (6) -1.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A 2.2 μg/m3 (9) 23.0
 
Jan. 16, 2019, 11 p.m. 0.0 ppb (0) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 1.2 μg/m3 (5) 31.0
 
Jan. 16, 2019, 10 p.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A N/A 1.5 μg/m3 (6) 29.0
 
Jan. 16, 2019, 9 p.m. -1.0 ppb (0) -3.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A N/A 4.6 μg/m3 (19) 27.0
 
Jan. 16, 2019, 8 p.m. -5.0 ppb (0) -7.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 2.1 μg/m3 (9) 24.0
 
Jan. 16, 2019, 7 p.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 3.0 μg/m3 (12) 22.0
 
Jan. 16, 2019, 6 p.m. 1.0 ppb (1) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 1.6 μg/m3 (7) 22.0
 
Jan. 16, 2019, 5 p.m. 1.0 ppb (1) -4.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) N/A N/A 2.2 μg/m3 (9) 18.0
 
Jan. 16, 2019, 4 p.m. 14.0 ppb (13) -3.0 ppb (0) N/A 16.0 ppb (15) N/A N/A 10.0 ppb (8) N/A N/A N/A 15.0
 
Jan. 16, 2019, 3 p.m. 20.0 ppb (19) -2.0 ppb (0) N/A 22.0 ppb (20) N/A N/A 4.0 ppb (3) N/A N/A N/A 20.0
 
Jan. 16, 2019, 2 p.m. 9.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) N/A N/A 1.8 μg/m3 (8) 14.0
 
Jan. 16, 2019, 1 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A 0.7 μg/m3 (3) 19.0
 
Jan. 16, 2019, noon 2.0 ppb (2) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 0.5 μg/m3 (2) 19.0
 
Jan. 16, 2019, 11 a.m. N/A -9.0 ppb (0) N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 0.4 μg/m3 (2) 19.0
 
Jan. 16, 2019, 10 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A N/A 0.5 μg/m3 (2) 19.0
 
Jan. 16, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A N/A 1.2 μg/m3 (5) 18.0
 
Jan. 16, 2019, 8 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) N/A N/A 0.9 μg/m3 (4) 17.0
 
Jan. 16, 2019, 7 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A N/A 0.7 μg/m3 (3) 19.0
 
Jan. 16, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A N/A 0.5 μg/m3 (2) 19.0
 
Jan. 16, 2019, 5 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A N/A 0.4 μg/m3 (2) 19.0
 
Jan. 16, 2019, 4 a.m. 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 0.4 μg/m3 (2) 20.0
 
Jan. 16, 2019, 3 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 0.2 μg/m3 (1) 21.0
 
Jan. 16, 2019, 2 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 1.1 μg/m3 (5) 22.0
 
Jan. 16, 2019, 1 a.m. 2.0 ppb (2) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 0.4 μg/m3 (2) 22.0
 
Jan. 16, 2019, midnight 2.0 ppb (2) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
Jan. 15, 2019, 11 p.m. 1.0 ppb (1) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 0.9 μg/m3 (4) 22.0
 
Jan. 15, 2019, 10 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 0.3 μg/m3 (1) 21.0
 
Jan. 15, 2019, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 0.5 μg/m3 (2) 22.0
 
Jan. 15, 2019, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 0.5 μg/m3 (2) 22.0
 
Jan. 15, 2019, 7 p.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 0.4 μg/m3 (2) 23.0
 
Jan. 15, 2019, 6 p.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 0.4 μg/m3 (2) 23.0
 
Jan. 15, 2019, 5 p.m. 1.0 ppb (1) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A 0.6 μg/m3 (2) 23.0
 
Jan. 15, 2019, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 0.8 μg/m3 (3) 22.0
 
Jan. 15, 2019, 3 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A N/A 1.2 μg/m3 (5) 22.0
 
Jan. 15, 2019, 2 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 0.7 μg/m3 (3) 22.0
 
Jan. 15, 2019, 1 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 0.7 μg/m3 (3) 24.0
 
Jan. 15, 2019, noon 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 0.6 μg/m3 (2) 25.0
 
Jan. 15, 2019, 11 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
Jan. 15, 2019, 10 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 1.1 μg/m3 (5) 25.0
 
Jan. 15, 2019, 9 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 1.5 μg/m3 (6) 27.0
 
Jan. 15, 2019, 8 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 2.4 μg/m3 (10) 27.0
 
Jan. 15, 2019, 7 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A N/A 1.3 μg/m3 (5) 28.0
 
Jan. 15, 2019, 6 a.m. 0.0 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) N/A N/A 0.5 μg/m3 (2) 29.0
 
Jan. 15, 2019, 5 a.m. 0.0 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A 0.4 μg/m3 (2) 30.0
 
Jan. 15, 2019, 4 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A 0.4 μg/m3 (2) 30.0
 
Jan. 15, 2019, 3 a.m. 0.0 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A 0.4 μg/m3 (2) 30.0
 
Jan. 15, 2019, 2 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A 0.4 μg/m3 (2) 30.0
 
Jan. 15, 2019, 1 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 0.5 μg/m3 (2) 30.0
 
Jan. 15, 2019, midnight 1.0 ppb (1) -2.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A N/A 1.4 μg/m3 (6) 27.0
 
Jan. 14, 2019, 11 p.m. 2.0 ppb (2) -1.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A N/A 1.5 μg/m3 (6) 26.0
 
Jan. 14, 2019, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 0.7 μg/m3 (3) 29.0
 
Jan. 14, 2019, 9 p.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 0.7 μg/m3 (3) 31.0
 
Jan. 14, 2019, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A 1.7 μg/m3 (7) 25.0
 
Jan. 14, 2019, 7 p.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 1.8 μg/m3 (8) 27.0
 
Jan. 14, 2019, 6 p.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 2.0 μg/m3 (8) 26.0
 
Jan. 14, 2019, 5 p.m. 0.0 ppb (0) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 2.5 μg/m3 (10) 25.0
 
Jan. 14, 2019, 4 p.m. 4.0 ppb (4) -2.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) N/A N/A 4.6 μg/m3 (19) 20.0
 
Jan. 14, 2019, 3 p.m. 12.0 ppb (11) -2.0 ppb (0) N/A 13.0 ppb (12) N/A N/A 19.0 ppb (15) N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 14, 2019, 2 p.m. 8.0 ppb (7) -1.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) N/A N/A 5.7 μg/m3 (24) 24.0
 
Jan. 14, 2019, 1 p.m. 8.0 ppb (7) -1.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) N/A N/A 5.2 μg/m3 (22) 22.0
 
Jan. 14, 2019, noon 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A 4.8 μg/m3 (20) 20.0
 
Jan. 14, 2019, 11 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Jan. 14, 2019, 10 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 4.3 μg/m3 (18) 24.0
 
Jan. 14, 2019, 9 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 3.8 μg/m3 (16) 24.0
 
Jan. 14, 2019, 8 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 3.6 μg/m3 (15) 24.0
 
Jan. 14, 2019, 7 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 3.3 μg/m3 (14) 24.0
 
Jan. 14, 2019, 6 a.m. 2.0 ppb (2) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A 3.3 μg/m3 (14) 23.0
 
Jan. 14, 2019, 5 a.m. 2.0 ppb (2) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 3.1 μg/m3 (13) 24.0
 
Jan. 14, 2019, 4 a.m. 2.0 ppb (2) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 3.2 μg/m3 (13) 24.0
 
Jan. 14, 2019, 3 a.m. 2.0 ppb (2) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 3.0 μg/m3 (12) 24.0
 
Jan. 14, 2019, 2 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 3.2 μg/m3 (13) 25.0
 
Jan. 14, 2019, 1 a.m. 1.0 ppb (1) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 3.4 μg/m3 (14) 25.0
 
Jan. 14, 2019, midnight 2.0 ppb (2) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 3.9 μg/m3 (16) 25.0