AQSQID: 490530007

Site Name: Hurricane

Location: Hurricane (N 870 W), UT

Reporting: True, Located: True

Current AQI: 17.0

Hurricane (N 870 W) UT, US: 37.179, -113.3052

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 21, 2020, 9 a.m. 4.4 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A N/A 1.6 μg/m3 (7) 17.0
 
Jan. 21, 2020, 8 a.m. 2.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 1.5 μg/m3 (6) 20.0
 
Jan. 21, 2020, 7 a.m. 2.0 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 1.9 μg/m3 (8) 25.0
 
Jan. 21, 2020, 6 a.m. 1.3 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A N/A 1.2 μg/m3 (5) 28.0
 
Jan. 21, 2020, 5 a.m. 1.5 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 1.1 μg/m3 (5) 28.0
 
Jan. 21, 2020, 4 a.m. 1.5 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 1.1 μg/m3 (5) 29.0
 
Jan. 21, 2020, 3 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 1.1 μg/m3 (5) 30.0
 
Jan. 21, 2020, 2 a.m. 1.9 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 1.1 μg/m3 (5) 29.0
 
Jan. 21, 2020, 1 a.m. 2.0 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 1.1 μg/m3 (5) 29.0
 
Jan. 21, 2020, midnight 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 1.2 μg/m3 (5) 30.0
 
Jan. 20, 2020, 11 p.m. 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A 2.2 μg/m3 (9) 28.0
 
Jan. 20, 2020, 10 p.m. 7.0 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 3.3 μg/m3 (14) 25.0
 
Jan. 20, 2020, 9 p.m. 4.0 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A 2.3 μg/m3 (10) 27.0
 
Jan. 20, 2020, 8 p.m. 1.8 ppb (2) 0.2 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. 20, 2020, 7 p.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 1.0 μg/m3 (4) 31.0
 
Jan. 20, 2020, 6 p.m. 1.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 1.3 μg/m3 (5) 32.0
 
Jan. 20, 2020, 5 p.m. 21.5 ppb (20) 6.1 ppb (6) N/A 15.0 ppb (14) N/A N/A 20.0 ppb (15) N/A N/A 4.3 μg/m3 (18) 20.0
 
Jan. 20, 2020, 4 p.m. 32.4 ppb (30) 9.9 ppb (9) N/A 22.0 ppb (20) N/A N/A 10.0 ppb (8) N/A N/A 5.4 μg/m3 (23) 30.0
 
Jan. 20, 2020, 3 p.m. 29.6 ppb (27) 8.3 ppb (8) N/A 21.0 ppb (19) N/A N/A 11.0 ppb (8) N/A N/A 5.3 μg/m3 (22) 27.0
 
Jan. 20, 2020, 2 p.m. 11.2 ppb (10) 1.2 ppb (1) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) N/A N/A 2.8 μg/m3 (12) 17.0
 
Jan. 20, 2020, 1 p.m. 15.0 ppb (14) 1.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 19.0 ppb (15) N/A N/A 8.2 μg/m3 (34) 34.0
 
Jan. 20, 2020, noon 8.7 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) N/A N/A 5.6 μg/m3 (23) 23.0
 
Jan. 20, 2020, 11 a.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) N/A N/A 4.2 μg/m3 (18) 19.0
 
Jan. 20, 2020, 10 a.m. 3.6 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 20, 2020, 9 a.m. 3.5 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 4.6 μg/m3 (19) 22.0
 
Jan. 20, 2020, 8 a.m. 1.3 ppb (1) -0.2 ppb (0) 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, 2020, 7 a.m. 1.1 ppb (1) -0.2 ppb (0) 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, 2020, 6 a.m. 1.5 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 0.6 μg/m3 (2) 25.0
 
Jan. 20, 2020, 5 a.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 0.5 μg/m3 (2) 26.0
 
Jan. 20, 2020, 4 a.m. 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 0.5 μg/m3 (2) 27.0
 
Jan. 20, 2020, 3 a.m. 0.6 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A N/A 0.5 μg/m3 (2) 28.0
 
Jan. 20, 2020, 2 a.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A N/A 0.4 μg/m3 (2) 28.0
 
Jan. 20, 2020, 1 a.m. 1.5 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 0.9 μg/m3 (4) 30.0
 
Jan. 20, 2020, midnight 3.6 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 1.2 μg/m3 (5) 28.0
 
Jan. 19, 2020, 11 p.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 2.1 μg/m3 (9) 30.0
 
Jan. 19, 2020, 10 p.m. 0.5 ppb (0) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 0.4 μg/m3 (2) 32.0
 
Jan. 19, 2020, 9 p.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 0.6 μg/m3 (2) 30.0
 
Jan. 19, 2020, 8 p.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A N/A 1.0 μg/m3 (4) 27.0
 
Jan. 19, 2020, 7 p.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 1.3 μg/m3 (5) 24.0
 
Jan. 19, 2020, 6 p.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 1.3 μg/m3 (5) 22.0
 
Jan. 19, 2020, 5 p.m. 4.1 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 1.4 μg/m3 (6) 23.0
 
Jan. 19, 2020, 4 p.m. 30.1 ppb (28) 14.6 ppb (14) N/A 15.0 ppb (14) N/A N/A 14.0 ppb (11) N/A N/A 11.4 μg/m3 (48) 48.0
 
Jan. 19, 2020, 3 p.m. 23.0 ppb (21) 8.2 ppb (8) N/A 15.0 ppb (14) N/A N/A 17.0 ppb (13) N/A N/A 3.0 μg/m3 (12) 21.0
 
Jan. 19, 2020, 2 p.m. 13.5 ppb (12) 1.5 ppb (1) N/A 12.0 ppb (11) N/A N/A 14.0 ppb (11) N/A N/A 4.5 μg/m3 (19) 19.0
 
Jan. 19, 2020, 1 p.m. 15.1 ppb (14) 1.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 12.0 ppb (9) N/A N/A 3.9 μg/m3 (16) 16.0
 
Jan. 19, 2020, noon 6.4 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) N/A N/A 2.4 μg/m3 (10) 14.0
 
Jan. 19, 2020, 11 a.m. 2.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 1.4 μg/m3 (6) 19.0
 
Jan. 19, 2020, 10 a.m. 5.8 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) N/A N/A 2.7 μg/m3 (11) 15.0
 
Jan. 19, 2020, 9 a.m. 12.7 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 11.0 ppb (8) N/A N/A 6.3 μg/m3 (26) 26.0
 
Jan. 19, 2020, 8 a.m. 9.3 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 17.0 ppb (13) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2020, 7 a.m. 14.2 ppb (13) 1.7 ppb (2) N/A 13.0 ppb (12) N/A N/A 10.0 ppb (8) N/A N/A 13.7 μg/m3 (54) 54.0
 
Jan. 19, 2020, 6 a.m. 9.0 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 19, 2020, 5 a.m. 8.6 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2020, 4 a.m. 23.0 ppb (21) 5.0 ppb (5) N/A 18.0 ppb (17) N/A N/A 13.0 ppb (10) N/A N/A 11.3 μg/m3 (47) 47.0
 
Jan. 19, 2020, 3 a.m. 17.4 ppb (16) 2.0 ppb (2) N/A 15.0 ppb (14) N/A N/A 14.0 ppb (11) N/A N/A 11.7 μg/m3 (49) 49.0
 
Jan. 19, 2020, 2 a.m. 13.4 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) N/A N/A 12.4 μg/m3 (51) 51.0
 
Jan. 19, 2020, 1 a.m. 13.0 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 23.0 ppb (18) N/A N/A 17.9 μg/m3 (63) 63.0
 
Jan. 19, 2020, midnight 5.5 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) N/A N/A 4.4 μg/m3 (18) 27.0
 
Jan. 18, 2020, 11 p.m. 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 1.9 μg/m3 (8) 31.0
 
Jan. 18, 2020, 10 p.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 1.1 μg/m3 (5) 31.0
 
Jan. 18, 2020, 9 p.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 0.8 μg/m3 (3) 30.0
 
Jan. 18, 2020, 8 p.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 0.6 μg/m3 (2) 30.0
 
Jan. 18, 2020, 7 p.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A 0.9 μg/m3 (4) 28.0
 
Jan. 18, 2020, 6 p.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A N/A 1.9 μg/m3 (8) 27.0
 
Jan. 18, 2020, 5 p.m. 4.0 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A 1.6 μg/m3 (7) 25.0
 
Jan. 18, 2020, 4 p.m. 6.5 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) N/A N/A 3.2 μg/m3 (13) 21.0
 
Jan. 18, 2020, 3 p.m. 31.4 ppb (29) 12.8 ppb (12) N/A 18.0 ppb (17) N/A N/A 11.0 ppb (8) N/A N/A 8.2 μg/m3 (34) 34.0
 
Jan. 18, 2020, 2 p.m. 28.4 ppb (26) 8.5 ppb (8) N/A 20.0 ppb (19) N/A N/A 8.0 ppb (6) N/A N/A 4.0 μg/m3 (17) 26.0
 
Jan. 18, 2020, 1 p.m. 14.7 ppb (14) 1.7 ppb (2) N/A 13.0 ppb (12) N/A N/A 16.0 ppb (12) N/A N/A 3.1 μg/m3 (13) 14.0
 
Jan. 18, 2020, noon 10.6 ppb (10) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) N/A N/A 2.4 μg/m3 (10) 15.0
 
Jan. 18, 2020, 11 a.m. 5.0 ppb (5) 0.1 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. 18, 2020, 10 a.m. 3.0 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 2.1 μg/m3 (9) 22.0
 
Jan. 18, 2020, 9 a.m. 1.1 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 1.4 μg/m3 (6) 26.0
 
Jan. 18, 2020, 8 a.m. 1.2 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 0.5 μg/m3 (2) 27.0
 
Jan. 18, 2020, 7 a.m. 1.1 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 0.6 μg/m3 (2) 27.0
 
Jan. 18, 2020, 6 a.m. 1.8 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 1.0 μg/m3 (4) 25.0
 
Jan. 18, 2020, 5 a.m. 1.9 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 1.7 μg/m3 (7) 25.0
 
Jan. 18, 2020, 4 a.m. 2.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A 1.9 μg/m3 (8) 26.0
 
Jan. 18, 2020, 3 a.m. 2.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A 2.2 μg/m3 (9) 28.0
 
Jan. 18, 2020, 2 a.m. 4.7 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 2.5 μg/m3 (10) 28.0
 
Jan. 18, 2020, 1 a.m. 1.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 0.9 μg/m3 (4) 32.0
 
Jan. 18, 2020, midnight 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 0.7 μg/m3 (3) 32.0
 
Jan. 17, 2020, 11 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 0.8 μg/m3 (3) 33.0
 
Jan. 17, 2020, 10 p.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 1.2 μg/m3 (5) 34.0
 
Jan. 17, 2020, 9 p.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 0.5 μg/m3 (2) 35.0
 
Jan. 17, 2020, 8 p.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 0.6 μg/m3 (2) 34.0
 
Jan. 17, 2020, 7 p.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 0.7 μg/m3 (3) 35.0
 
Jan. 17, 2020, 6 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 0.9 μg/m3 (4) 34.0
 
Jan. 17, 2020, 5 p.m. 3.7 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 1.4 μg/m3 (6) 31.0
 
Jan. 17, 2020, 4 p.m. 7.4 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 1.8 μg/m3 (8) 27.0
 
Jan. 17, 2020, 3 p.m. 10.2 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) N/A N/A 2.3 μg/m3 (10) 24.0
 
Jan. 17, 2020, 2 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 1.5 μg/m3 (6) 30.0
 
Jan. 17, 2020, 1 p.m. 2.7 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A 2.9 μg/m3 (12) 29.0
 
Jan. 17, 2020, noon 1.6 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 4.8 μg/m3 (20) 30.0
 
Jan. 17, 2020, 11 a.m. 1.3 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 4.4 μg/m3 (18) 32.0
 
Jan. 17, 2020, 10 a.m. 1.1 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 3.8 μg/m3 (16) 30.0
 
Jan. 17, 2020, 9 a.m. 1.4 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A 3.4 μg/m3 (14) 28.0
 
Jan. 17, 2020, 8 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A N/A 3.6 μg/m3 (15) 27.0
 
Jan. 17, 2020, 7 a.m. 1.6 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A 3.5 μg/m3 (15) 28.0
 
Jan. 17, 2020, 6 a.m. 2.4 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A 3.4 μg/m3 (14) 28.0
 
Jan. 17, 2020, 5 a.m. 7.2 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A 3.5 μg/m3 (15) 22.0
 
Jan. 17, 2020, 4 a.m. 8.6 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
Jan. 17, 2020, 3 a.m. 18.1 ppb (17) 2.9 ppb (3) N/A 15.0 ppb (14) N/A N/A 19.0 ppb (15) N/A N/A 6.3 μg/m3 (26) 26.0
 
Jan. 17, 2020, 2 a.m. 37.4 ppb (35) 11.2 ppb (10) N/A 26.0 ppb (24) N/A N/A 6.0 ppb (5) N/A N/A 10.2 μg/m3 (42) 42.0
 
Jan. 17, 2020, 1 a.m. 17.0 ppb (16) 0.8 ppb (1) N/A 16.0 ppb (15) N/A N/A 15.0 ppb (12) N/A N/A 4.3 μg/m3 (18) 18.0
 
Jan. 17, 2020, midnight 12.2 ppb (11) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2020, 11 p.m. 9.8 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0
 
Jan. 16, 2020, 10 p.m. 1.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 1.4 μg/m3 (6) 31.0
 
Jan. 16, 2020, 9 p.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 1.6 μg/m3 (7) 31.0
 
Jan. 16, 2020, 8 p.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 2.0 μg/m3 (8) 29.0
 
Jan. 16, 2020, 7 p.m. 5.8 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 2.6 μg/m3 (11) 26.0
 
Jan. 16, 2020, 6 p.m. 8.5 ppb (8) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) N/A N/A 3.4 μg/m3 (14) 22.0
 
Jan. 16, 2020, 5 p.m. 8.8 ppb (8) 3.2 ppb (3) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) N/A N/A 2.7 μg/m3 (11) 20.0
 
Jan. 16, 2020, 4 p.m. 30.8 ppb (29) 14.3 ppb (13) N/A 16.0 ppb (15) N/A N/A 16.0 ppb (12) N/A N/A 6.2 μg/m3 (26) 29.0
 
Jan. 16, 2020, 3 p.m. 31.3 ppb (29) 14.9 ppb (14) N/A 16.0 ppb (15) N/A N/A 17.0 ppb (13) N/A N/A 4.2 μg/m3 (18) 29.0
 
Jan. 16, 2020, 2 p.m. 65.8 ppb (63) 34.0 ppb (31) N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) N/A N/A 5.1 μg/m3 (21) 63.0
 
Jan. 16, 2020, 1 p.m. 12.7 ppb (12) 1.1 ppb (1) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) N/A N/A 3.5 μg/m3 (15) 15.0
 
Jan. 16, 2020, noon 3.0 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 1.4 μg/m3 (6) 22.0
 
Jan. 16, 2020, 11 a.m. N/A 0.7 ppb (1) N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 2.1 μg/m3 (9) 15.0
 
Jan. 16, 2020, 10 a.m. 7.0 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 2.4 μg/m3 (10) 16.0
 
Jan. 16, 2020, 9 a.m. 11.9 ppb (11) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) N/A N/A 6.3 μg/m3 (26) 26.0
 
Jan. 16, 2020, 8 a.m. 16.2 ppb (15) 1.1 ppb (1) N/A 15.0 ppb (14) N/A N/A 10.0 ppb (8) N/A N/A 12.7 μg/m3 (51) 51.0
 
Jan. 16, 2020, 7 a.m. 19.0 ppb (18) 1.4 ppb (1) N/A 17.0 ppb (16) N/A N/A 8.0 ppb (6) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 16, 2020, 6 a.m. 28.8 ppb (27) 7.0 ppb (6) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) N/A N/A 15.8 μg/m3 (58) 58.0
 
Jan. 16, 2020, 5 a.m. 32.2 ppb (30) 8.6 ppb (8) N/A 23.0 ppb (21) N/A N/A 3.0 ppb (2) N/A N/A 16.1 μg/m3 (59) 59.0
 
Jan. 16, 2020, 4 a.m. 45.9 ppb (42) 19.8 ppb (18) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) N/A N/A 21.7 μg/m3 (71) 71.0
 
Jan. 16, 2020, 3 a.m. 24.7 ppb (23) 6.9 ppb (6) N/A 18.0 ppb (17) N/A N/A 12.0 ppb (9) N/A N/A 10.1 μg/m3 (42) 42.0
 
Jan. 16, 2020, 2 a.m. 33.6 ppb (31) 8.1 ppb (8) N/A 25.0 ppb (23) N/A N/A 7.0 ppb (5) N/A N/A 13.8 μg/m3 (54) 54.0
 
Jan. 16, 2020, 1 a.m. 15.8 ppb (15) 0.5 ppb (0) N/A 15.0 ppb (14) N/A N/A 18.0 ppb (14) N/A N/A 6.8 μg/m3 (28) 28.0
 
Jan. 16, 2020, midnight 9.2 ppb (9) 0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) N/A N/A 4.5 μg/m3 (19) 21.0
 
Jan. 15, 2020, 11 p.m. 4.5 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A 3.8 μg/m3 (16) 27.0
 
Jan. 15, 2020, 10 p.m. 3.6 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
Jan. 15, 2020, 9 p.m. 4.2 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 3.1 μg/m3 (13) 28.0
 
Jan. 15, 2020, 8 p.m. 4.2 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A 3.6 μg/m3 (15) 25.0
 
Jan. 15, 2020, 7 p.m. 4.1 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 3.4 μg/m3 (14) 23.0
 
Jan. 15, 2020, 6 p.m. 5.8 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) N/A N/A 4.2 μg/m3 (18) 22.0
 
Jan. 15, 2020, 5 p.m. 5.0 ppb (5) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 3.8 μg/m3 (16) 23.0
 
Jan. 15, 2020, 4 p.m. 29.8 ppb (28) 13.9 ppb (13) N/A 16.0 ppb (15) N/A N/A 16.0 ppb (12) N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 15, 2020, 3 p.m. 25.6 ppb (24) 10.0 ppb (9) N/A 15.0 ppb (14) N/A N/A 19.0 ppb (15) N/A N/A 4.9 μg/m3 (20) 24.0
 
Jan. 15, 2020, 2 p.m. 31.2 ppb (29) 11.0 ppb (10) N/A 20.0 ppb (19) N/A N/A 14.0 ppb (11) N/A N/A 4.8 μg/m3 (20) 29.0
 
Jan. 15, 2020, 1 p.m. 9.1 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) N/A N/A 2.9 μg/m3 (12) 19.0
 
Jan. 15, 2020, noon 1.9 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 2.5 μg/m3 (10) 24.0
 
Jan. 15, 2020, 11 a.m. N/A -0.1 ppb (0) N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 2.6 μg/m3 (11) 24.0
 
Jan. 15, 2020, 10 a.m. 1.2 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 2.2 μg/m3 (9) 24.0
 
Jan. 15, 2020, 9 a.m. 1.2 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 1.9 μg/m3 (8) 24.0
 
Jan. 15, 2020, 8 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0
 
Jan. 15, 2020, 7 a.m. 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A 4.5 μg/m3 (19) 23.0
 
Jan. 15, 2020, 6 a.m. 3.6 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0
 
Jan. 15, 2020, 5 a.m. 1.5 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 2.4 μg/m3 (10) 25.0
 
Jan. 15, 2020, 4 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) N/A N/A 2.9 μg/m3 (12) 24.0
 
Jan. 15, 2020, 3 a.m. 6.6 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) N/A N/A 4.4 μg/m3 (18) 21.0
 
Jan. 15, 2020, 2 a.m. 10.3 ppb (10) 0.3 ppb (0) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) N/A N/A 6.1 μg/m3 (25) 25.0
 
Jan. 15, 2020, 1 a.m. 17.6 ppb (16) 1.8 ppb (2) N/A 16.0 ppb (15) N/A N/A 24.0 ppb (18) N/A N/A 6.5 μg/m3 (27) 27.0
 
Jan. 15, 2020, midnight 12.0 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 32.0 ppb (25) N/A N/A 5.3 μg/m3 (22) 25.0
 
Jan. 14, 2020, 11 p.m. 5.3 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) N/A N/A 2.8 μg/m3 (12) 31.0
 
Jan. 14, 2020, 10 p.m. 2.8 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 3.0 μg/m3 (12) 33.0
 
Jan. 14, 2020, 9 p.m. 4.0 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 3.7 μg/m3 (15) 31.0
 
Jan. 14, 2020, 8 p.m. 7.9 ppb (7) 2.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) N/A N/A 5.1 μg/m3 (21) 24.0
 
Jan. 14, 2020, 7 p.m. 6.0 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A N/A 3.7 μg/m3 (15) 25.0
 
Jan. 14, 2020, 6 p.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A N/A 2.8 μg/m3 (12) 27.0
 
Jan. 14, 2020, 5 p.m. 2.0 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A 2.3 μg/m3 (10) 26.0
 
Jan. 14, 2020, 4 p.m. 2.5 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 2.4 μg/m3 (10) 25.0
 
Jan. 14, 2020, 3 p.m. 5.6 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) N/A N/A 2.7 μg/m3 (11) 22.0
 
Jan. 14, 2020, 2 p.m. 8.1 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A N/A 2.4 μg/m3 (10) 20.0
 
Jan. 14, 2020, 1 p.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
Jan. 14, 2020, noon 1.3 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 2.1 μg/m3 (9) 22.0
 
Jan. 14, 2020, 11 a.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 2.0 μg/m3 (8) 21.0
 
Jan. 14, 2020, 10 a.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 1.5 μg/m3 (6) 23.0