AQSQID: 490110004

Site Name: Bv

Location: Bountiful (Wayne Cooper), UT

Reporting: True, Located: True

Current AQI: 23.0

Bountiful (Wayne Cooper) UT, US: 40.897999, -111.885498

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 11, 2020, 9 a.m. 15.5 ppb (14) 0.6 ppb (1) N/A 15.0 ppb (14) N/A N/A 22.0 ppb (17) N/A N/A 2.6 μg/m3 (11) 17.0
 
Jan. 11, 2020, 8 a.m. 18.2 ppb (17) 0.3 ppb (0) N/A 18.0 ppb (17) N/A N/A 19.0 ppb (15) N/A N/A 2.8 μg/m3 (12) 17.0
 
Jan. 11, 2020, 7 a.m. 17.4 ppb (16) 0.5 ppb (0) N/A 17.0 ppb (16) N/A N/A 20.0 ppb (15) N/A N/A 2.7 μg/m3 (11) 16.0
 
Jan. 11, 2020, 6 a.m. 14.5 ppb (13) 0.7 ppb (1) N/A 14.0 ppb (13) N/A N/A 25.0 ppb (19) N/A N/A 2.8 μg/m3 (12) 19.0
 
Jan. 11, 2020, 5 a.m. 14.0 ppb (13) 0.2 ppb (0) N/A 14.0 ppb (13) N/A N/A 24.0 ppb (18) N/A N/A 3.4 μg/m3 (14) 18.0
 
Jan. 11, 2020, 4 a.m. 16.9 ppb (16) 0.4 ppb (0) N/A 17.0 ppb (16) N/A N/A 21.0 ppb (16) N/A N/A 3.8 μg/m3 (16) 16.0
 
Jan. 11, 2020, 3 a.m. 18.7 ppb (17) 2.0 ppb (2) N/A 17.0 ppb (16) N/A N/A 21.0 ppb (16) N/A N/A 2.5 μg/m3 (10) 17.0
 
Jan. 11, 2020, 2 a.m. 26.3 ppb (24) 1.4 ppb (1) N/A 25.0 ppb (23) N/A N/A 14.0 ppb (11) N/A N/A 3.6 μg/m3 (15) 24.0
 
Jan. 11, 2020, 1 a.m. 11.5 ppb (11) 0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 29.0 ppb (22) N/A N/A 2.2 μg/m3 (9) 22.0
 
Jan. 11, 2020, midnight 9.8 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) N/A N/A 1.7 μg/m3 (7) 22.0
 
Jan. 10, 2020, 11 p.m. 6.5 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 1.1 μg/m3 (5) 27.0
 
Jan. 10, 2020, 10 p.m. 2.0 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 0.6 μg/m3 (2) 31.0
 
Jan. 10, 2020, 9 p.m. 1.3 ppb (1) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 0.6 μg/m3 (2) 31.0
 
Jan. 10, 2020, 8 p.m. 4.6 ppb (4) 2.4 ppb (2) 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. 10, 2020, 7 p.m. 4.0 ppb (4) 1.9 ppb (2) 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. 10, 2020, 6 p.m. 8.2 ppb (8) 3.8 ppb (4) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A 1.2 μg/m3 (5) 28.0
 
Jan. 10, 2020, 5 p.m. 9.1 ppb (8) 4.3 ppb (4) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A 1.1 μg/m3 (5) 26.0
 
Jan. 10, 2020, 4 p.m. 9.2 ppb (9) 4.1 ppb (4) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A 0.8 μg/m3 (3) 25.0
 
Jan. 10, 2020, 3 p.m. 10.8 ppb (10) 3.6 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. 10, 2020, 2 p.m. 27.2 ppb (25) 5.2 ppb (5) N/A 22.0 ppb (20) N/A N/A 19.0 ppb (15) N/A N/A 0.5 μg/m3 (2) 25.0
 
Jan. 10, 2020, 1 p.m. 28.9 ppb (27) 3.2 ppb (3) N/A 26.0 ppb (24) N/A N/A 15.0 ppb (12) N/A N/A 0.5 μg/m3 (2) 27.0
 
Jan. 10, 2020, noon 16.0 ppb (15) 0.2 ppb (0) N/A 16.0 ppb (15) N/A N/A 23.0 ppb (18) N/A N/A 0.3 μg/m3 (1) 18.0
 
Jan. 10, 2020, 11 a.m. 8.0 ppb (7) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A N/A 0.3 μg/m3 (1) 25.0
 
Jan. 10, 2020, 10 a.m. 4.3 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 0.3 μg/m3 (1) 4.0
 
Jan. 10, 2020, 9 a.m. 6.7 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A 0.4 μg/m3 (2) 23.0
 
Jan. 10, 2020, 8 a.m. 5.4 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) N/A N/A 0.5 μg/m3 (2) 25.0
 
Jan. 10, 2020, 7 a.m. 4.8 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A 0.4 μg/m3 (2) 26.0
 
Jan. 10, 2020, 6 a.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 0.4 μg/m3 (2) 28.0
 
Jan. 10, 2020, 5 a.m. 4.6 ppb (4) 0.1 ppb (0) 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. 10, 2020, 4 a.m. 5.1 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A 0.9 μg/m3 (4) 25.0
 
Jan. 10, 2020, 3 a.m. 6.4 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A 1.7 μg/m3 (7) 23.0
 
Jan. 10, 2020, 2 a.m. 5.8 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A N/A 1.4 μg/m3 (6) 23.0
 
Jan. 10, 2020, 1 a.m. 12.4 ppb (11) 0.5 ppb (0) N/A 12.0 ppb (11) N/A N/A 24.0 ppb (18) N/A N/A 1.7 μg/m3 (7) 18.0
 
Jan. 10, 2020, midnight 10.6 ppb (10) 0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) N/A N/A 1.7 μg/m3 (7) 20.0
 
Jan. 9, 2020, 11 p.m. 12.7 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 26.0 ppb (20) N/A N/A 1.2 μg/m3 (5) 20.0
 
Jan. 9, 2020, 10 p.m. 4.8 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A 1.2 μg/m3 (5) 27.0
 
Jan. 9, 2020, 9 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 1.3 μg/m3 (5) 28.0
 
Jan. 9, 2020, 8 p.m. 6.8 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A N/A 1.5 μg/m3 (6) 28.0
 
Jan. 9, 2020, 7 p.m. 13.4 ppb (12) 2.4 ppb (2) N/A 11.0 ppb (10) N/A N/A 30.0 ppb (23) N/A N/A 2.5 μg/m3 (10) 23.0
 
Jan. 9, 2020, 6 p.m. 6.7 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) N/A N/A 1.7 μg/m3 (7) 27.0
 
Jan. 9, 2020, 5 p.m. 9.7 ppb (9) 2.2 ppb (2) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A 3.8 μg/m3 (16) 25.0
 
Jan. 9, 2020, 4 p.m. 17.3 ppb (16) 3.4 ppb (3) N/A 14.0 ppb (13) N/A N/A 25.0 ppb (19) N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 9, 2020, 3 p.m. 14.8 ppb (14) 2.3 ppb (2) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) N/A N/A 4.5 μg/m3 (19) 19.0
 
Jan. 9, 2020, 2 p.m. 7.0 ppb (6) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A 4.2 μg/m3 (18) 22.0
 
Jan. 9, 2020, 1 p.m. 11.1 ppb (10) 0.2 ppb (0) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) N/A N/A 4.6 μg/m3 (19) 20.0
 
Jan. 9, 2020, noon 23.6 ppb (22) 2.0 ppb (2) N/A 22.0 ppb (20) N/A N/A 14.0 ppb (11) N/A N/A 3.2 μg/m3 (13) 22.0
 
Jan. 9, 2020, 11 a.m. 21.0 ppb (19) 0.9 ppb (1) N/A 20.0 ppb (19) N/A N/A 11.0 ppb (8) N/A N/A 2.4 μg/m3 (10) 19.0
 
Jan. 9, 2020, 10 a.m. 27.4 ppb (25) 3.0 ppb (3) N/A 25.0 ppb (23) N/A N/A 7.0 ppb (5) N/A N/A 2.3 μg/m3 (10) 25.0
 
Jan. 9, 2020, 9 a.m. 20.2 ppb (19) 1.2 ppb (1) N/A 19.0 ppb (18) N/A N/A 12.0 ppb (9) N/A N/A 1.6 μg/m3 (7) 19.0
 
Jan. 9, 2020, 8 a.m. 5.8 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A 0.6 μg/m3 (2) 22.0
 
Jan. 9, 2020, 7 a.m. 5.3 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
Jan. 9, 2020, 6 a.m. 28.5 ppb (26) 0.9 ppb (1) N/A 28.0 ppb (26) N/A N/A 6.0 ppb (5) N/A N/A 2.6 μg/m3 (11) 26.0
 
Jan. 9, 2020, 5 a.m. 34.5 ppb (32) 2.7 ppb (3) N/A 32.0 ppb (30) N/A N/A 3.0 ppb (2) N/A N/A 2.9 μg/m3 (12) 32.0
 
Jan. 9, 2020, 4 a.m. 25.7 ppb (24) 2.2 ppb (2) N/A 24.0 ppb (22) N/A N/A 10.0 ppb (8) N/A N/A 3.6 μg/m3 (15) 24.0
 
Jan. 9, 2020, 3 a.m. 15.8 ppb (15) 0.3 ppb (0) N/A 16.0 ppb (15) N/A N/A 19.0 ppb (15) N/A N/A 1.0 μg/m3 (4) 15.0
 
Jan. 9, 2020, 2 a.m. 7.2 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A 1.0 μg/m3 (4) 23.0
 
Jan. 9, 2020, 1 a.m. 3.5 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A 1.1 μg/m3 (5) 27.0
 
Jan. 9, 2020, midnight 6.4 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A 2.4 μg/m3 (10) 24.0
 
Jan. 8, 2020, 11 p.m. 19.4 ppb (18) 1.3 ppb (1) N/A 18.0 ppb (17) N/A N/A 17.0 ppb (13) N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 8, 2020, 10 p.m. 11.7 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 27.0 ppb (21) N/A N/A 5.3 μg/m3 (22) 22.0
 
Jan. 8, 2020, 9 p.m. 14.9 ppb (14) 2.2 ppb (2) N/A 13.0 ppb (12) N/A N/A 28.0 ppb (22) N/A N/A 3.9 μg/m3 (16) 22.0
 
Jan. 8, 2020, 8 p.m. 23.1 ppb (21) 4.1 ppb (4) N/A 19.0 ppb (18) N/A N/A 23.0 ppb (18) N/A N/A 5.1 μg/m3 (21) 21.0
 
Jan. 8, 2020, 7 p.m. 11.5 ppb (11) 3.9 ppb (4) N/A 8.0 ppb (7) N/A N/A 34.0 ppb (26) N/A N/A 2.4 μg/m3 (10) 26.0
 
Jan. 8, 2020, 6 p.m. 18.1 ppb (17) 6.1 ppb (6) N/A 12.0 ppb (11) N/A N/A 27.0 ppb (21) N/A N/A 1.9 μg/m3 (8) 21.0
 
Jan. 8, 2020, 5 p.m. 13.9 ppb (13) 2.6 ppb (2) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) N/A N/A 3.4 μg/m3 (14) 20.0
 
Jan. 8, 2020, 4 p.m. 8.5 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A 4.9 μg/m3 (20) 22.0
 
Jan. 8, 2020, 3 p.m. 23.9 ppb (22) 3.4 ppb (3) N/A 21.0 ppb (19) N/A N/A 13.0 ppb (10) N/A N/A 6.1 μg/m3 (25) 25.0
 
Jan. 8, 2020, 2 p.m. 55.3 ppb (51) 22.4 ppb (21) N/A 33.0 ppb (31) N/A N/A 2.0 ppb (2) N/A N/A 6.1 μg/m3 (25) 51.0
 
Jan. 8, 2020, 1 p.m. 49.8 ppb (46) 15.7 ppb (15) N/A 34.0 ppb (31) N/A N/A 2.0 ppb (2) N/A N/A 4.1 μg/m3 (17) 46.0
 
Jan. 8, 2020, noon 37.2 ppb (34) 5.1 ppb (5) N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) N/A N/A 2.2 μg/m3 (9) 34.0
 
Jan. 8, 2020, 11 a.m. 24.0 ppb (22) 0.9 ppb (1) N/A 23.0 ppb (21) N/A N/A 13.0 ppb (10) N/A N/A 1.8 μg/m3 (8) 22.0
 
Jan. 8, 2020, 10 a.m. 23.6 ppb (22) 1.5 ppb (1) N/A 22.0 ppb (20) N/A N/A 15.0 ppb (12) N/A N/A 1.8 μg/m3 (8) 22.0
 
Jan. 8, 2020, 9 a.m. 16.5 ppb (15) 0.5 ppb (0) N/A 16.0 ppb (15) N/A N/A 22.0 ppb (17) N/A N/A 1.5 μg/m3 (6) 17.0
 
Jan. 8, 2020, 8 a.m. 16.9 ppb (16) 0.2 ppb (0) N/A 17.0 ppb (16) N/A N/A 19.0 ppb (15) N/A N/A 2.3 μg/m3 (10) 16.0
 
Jan. 8, 2020, 7 a.m. 16.2 ppb (15) 0.3 ppb (0) N/A 16.0 ppb (15) N/A N/A 21.0 ppb (16) N/A N/A 2.6 μg/m3 (11) 16.0
 
Jan. 8, 2020, 6 a.m. 28.3 ppb (26) 0.7 ppb (1) N/A 28.0 ppb (26) N/A N/A 12.0 ppb (9) N/A N/A 4.2 μg/m3 (18) 26.0
 
Jan. 8, 2020, 5 a.m. 33.8 ppb (31) 3.4 ppb (3) N/A 31.0 ppb (29) N/A N/A 7.0 ppb (5) N/A N/A 5.1 μg/m3 (21) 31.0
 
Jan. 8, 2020, 4 a.m. 31.9 ppb (30) 2.5 ppb (2) N/A 29.0 ppb (27) N/A N/A 7.0 ppb (5) N/A N/A 5.5 μg/m3 (23) 30.0
 
Jan. 8, 2020, 3 a.m. 41.4 ppb (38) 5.4 ppb (5) N/A 36.0 ppb (33) N/A N/A 2.0 ppb (2) N/A N/A 6.5 μg/m3 (27) 38.0
 
Jan. 8, 2020, 2 a.m. 65.8 ppb (63) 25.0 ppb (23) N/A 41.0 ppb (38) N/A N/A 0.0 ppb (0) N/A N/A 7.3 μg/m3 (30) 63.0
 
Jan. 8, 2020, 1 a.m. 55.9 ppb (52) 16.1 ppb (15) N/A 40.0 ppb (37) N/A N/A 1.0 ppb (1) N/A N/A 6.4 μg/m3 (27) 52.0
 
Jan. 8, 2020, midnight 60.5 ppb (57) 20.7 ppb (19) N/A 40.0 ppb (37) N/A N/A 0.0 ppb (0) N/A N/A 6.7 μg/m3 (28) 57.0
 
Jan. 7, 2020, 11 p.m. 54.0 ppb (50) 11.5 ppb (11) N/A 43.0 ppb (40) N/A N/A 2.0 ppb (2) N/A N/A 6.6 μg/m3 (28) 50.0
 
Jan. 7, 2020, 10 p.m. 34.3 ppb (32) 6.3 ppb (6) N/A 28.0 ppb (26) N/A N/A 18.0 ppb (14) N/A N/A 5.4 μg/m3 (23) 32.0
 
Jan. 7, 2020, 9 p.m. 24.9 ppb (23) 7.0 ppb (6) N/A 18.0 ppb (17) N/A N/A 28.0 ppb (22) N/A N/A 4.4 μg/m3 (18) 23.0
 
Jan. 7, 2020, 8 p.m. 39.2 ppb (36) 15.9 ppb (15) N/A 23.0 ppb (21) N/A N/A 24.0 ppb (18) N/A N/A 7.2 μg/m3 (30) 36.0
 
Jan. 7, 2020, 7 p.m. 41.5 ppb (38) 17.2 ppb (16) N/A 24.0 ppb (22) N/A N/A 23.0 ppb (18) N/A N/A 8.0 μg/m3 (33) 38.0
 
Jan. 7, 2020, 6 p.m. 40.6 ppb (38) 17.2 ppb (16) N/A 23.0 ppb (21) N/A N/A 24.0 ppb (18) N/A N/A 7.0 μg/m3 (29) 38.0
 
Jan. 7, 2020, 5 p.m. 39.1 ppb (36) 17.1 ppb (16) N/A 22.0 ppb (20) N/A N/A 23.0 ppb (18) N/A N/A 5.6 μg/m3 (23) 36.0
 
Jan. 7, 2020, 4 p.m. 54.7 ppb (51) 25.6 ppb (24) N/A 29.0 ppb (27) N/A N/A 14.0 ppb (11) N/A N/A 6.3 μg/m3 (26) 51.0
 
Jan. 7, 2020, 3 p.m. 89.4 ppb (88) 51.3 ppb (48) N/A 38.0 ppb (35) N/A N/A 4.0 ppb (3) N/A N/A 7.6 μg/m3 (32) 88.0
 
Jan. 7, 2020, 2 p.m. 86.2 ppb (84) 47.2 ppb (44) N/A 39.0 ppb (36) N/A N/A 1.0 ppb (1) N/A N/A 5.3 μg/m3 (22) 84.0
 
Jan. 7, 2020, 1 p.m. 61.1 ppb (58) 22.4 ppb (21) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) N/A N/A 5.3 μg/m3 (22) 58.0
 
Jan. 7, 2020, noon 53.3 ppb (49) 15.3 ppb (14) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) N/A N/A 4.3 μg/m3 (18) 49.0
 
Jan. 7, 2020, 11 a.m. 37.5 ppb (35) 6.5 ppb (6) N/A 31.0 ppb (29) N/A N/A 2.0 ppb (2) N/A N/A 2.9 μg/m3 (12) 35.0
 
Jan. 7, 2020, 10 a.m. 24.9 ppb (23) 0.8 ppb (1) N/A 24.0 ppb (22) N/A N/A 7.0 ppb (5) N/A N/A 1.8 μg/m3 (8) 23.0
 
Jan. 7, 2020, 9 a.m. 27.2 ppb (25) 1.4 ppb (1) N/A 26.0 ppb (24) N/A N/A 7.0 ppb (5) N/A N/A 2.1 μg/m3 (9) 25.0
 
Jan. 7, 2020, 8 a.m. 22.6 ppb (21) 0.5 ppb (0) N/A 22.0 ppb (20) N/A N/A 9.0 ppb (7) N/A N/A 2.7 μg/m3 (11) 21.0
 
Jan. 7, 2020, 7 a.m. 27.9 ppb (26) 1.3 ppb (1) N/A 27.0 ppb (25) N/A N/A 5.0 ppb (4) N/A N/A 3.0 μg/m3 (12) 26.0
 
Jan. 7, 2020, 6 a.m. 31.0 ppb (29) 0.9 ppb (1) N/A 30.0 ppb (28) N/A N/A 5.0 ppb (4) N/A N/A 5.0 μg/m3 (21) 29.0
 
Jan. 7, 2020, 5 a.m. 37.9 ppb (35) 2.6 ppb (2) N/A 35.0 ppb (32) N/A N/A 2.0 ppb (2) N/A N/A 5.5 μg/m3 (23) 35.0
 
Jan. 7, 2020, 4 a.m. 31.5 ppb (29) 0.7 ppb (1) N/A 31.0 ppb (29) N/A N/A 6.0 ppb (5) N/A N/A 4.2 μg/m3 (18) 29.0
 
Jan. 7, 2020, 3 a.m. 40.0 ppb (37) 4.8 ppb (4) N/A 35.0 ppb (32) N/A N/A 2.0 ppb (2) N/A N/A 3.7 μg/m3 (15) 37.0
 
Jan. 7, 2020, 2 a.m. 44.8 ppb (41) 7.6 ppb (7) N/A 37.0 ppb (34) N/A N/A 1.0 ppb (1) N/A N/A 3.4 μg/m3 (14) 41.0
 
Jan. 7, 2020, 1 a.m. 31.5 ppb (29) 3.3 ppb (3) N/A 28.0 ppb (26) N/A N/A 9.0 ppb (7) N/A N/A 2.8 μg/m3 (12) 29.0
 
Jan. 7, 2020, midnight 18.9 ppb (18) 0.5 ppb (0) N/A 19.0 ppb (18) N/A N/A 19.0 ppb (15) N/A N/A 2.6 μg/m3 (11) 18.0
 
Jan. 6, 2020, 11 p.m. 11.5 ppb (11) 0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 31.0 ppb (24) N/A N/A 1.8 μg/m3 (8) 24.0
 
Jan. 6, 2020, 10 p.m. 7.6 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) N/A N/A 1.7 μg/m3 (7) 28.0
 
Jan. 6, 2020, 9 p.m. 10.6 ppb (10) 2.8 ppb (3) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) N/A N/A 1.9 μg/m3 (8) 28.0
 
Jan. 6, 2020, 8 p.m. 13.7 ppb (13) 4.7 ppb (4) N/A 9.0 ppb (8) N/A N/A 35.0 ppb (27) N/A N/A 1.9 μg/m3 (8) 27.0
 
Jan. 6, 2020, 7 p.m. 6.1 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A N/A 1.2 μg/m3 (5) 30.0
 
Jan. 6, 2020, 6 p.m. 2.6 ppb (2) 1.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 0.6 μg/m3 (2) 31.0
 
Jan. 6, 2020, 5 p.m. 1.8 ppb (2) 0.9 ppb (1) 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. 6, 2020, 4 p.m. 4.0 ppb (4) 1.6 ppb (1) 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. 6, 2020, 3 p.m. 19.9 ppb (18) 7.1 ppb (7) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) N/A N/A 1.0 μg/m3 (4) 19.0
 
Jan. 6, 2020, 2 p.m. 34.5 ppb (32) 8.7 ppb (8) N/A 26.0 ppb (24) N/A N/A 11.0 ppb (8) N/A N/A 2.7 μg/m3 (11) 32.0
 
Jan. 6, 2020, 1 p.m. 39.5 ppb (37) 7.9 ppb (7) N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) N/A N/A 1.7 μg/m3 (7) 37.0
 
Jan. 6, 2020, noon 41.1 ppb (38) 8.7 ppb (8) N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) N/A N/A 1.8 μg/m3 (8) 38.0
 
Jan. 6, 2020, 11 a.m. 21.5 ppb (20) 1.5 ppb (1) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (10) N/A N/A 1.8 μg/m3 (8) 20.0
 
Jan. 6, 2020, 10 a.m. 18.8 ppb (17) 0.3 ppb (0) N/A 19.0 ppb (18) N/A N/A 15.0 ppb (12) N/A N/A 2.0 μg/m3 (8) 18.0
 
Jan. 6, 2020, 9 a.m. 31.6 ppb (29) 3.3 ppb (3) N/A 28.0 ppb (26) N/A N/A 2.0 ppb (2) N/A N/A 2.1 μg/m3 (9) 29.0
 
Jan. 6, 2020, 8 a.m. 24.5 ppb (23) 1.1 ppb (1) N/A 24.0 ppb (22) N/A N/A 7.0 ppb (5) N/A N/A 1.7 μg/m3 (7) 23.0
 
Jan. 6, 2020, 7 a.m. 25.6 ppb (24) 0.8 ppb (1) N/A 25.0 ppb (23) N/A N/A 7.0 ppb (5) N/A N/A 2.2 μg/m3 (9) 24.0
 
Jan. 6, 2020, 6 a.m. 12.9 ppb (12) 0.1 ppb (0) N/A 13.0 ppb (12) N/A N/A 19.0 ppb (15) N/A N/A 0.8 μg/m3 (3) 15.0
 
Jan. 6, 2020, 5 a.m. 7.5 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A 1.9 μg/m3 (8) 22.0
 
Jan. 6, 2020, 4 a.m. 9.4 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 25.0 ppb (19) N/A N/A 1.9 μg/m3 (8) 19.0
 
Jan. 6, 2020, 3 a.m. 23.5 ppb (22) 0.7 ppb (1) N/A 23.0 ppb (21) N/A N/A 10.0 ppb (8) N/A N/A 3.5 μg/m3 (15) 22.0
 
Jan. 6, 2020, 2 a.m. 18.5 ppb (17) 0.8 ppb (1) N/A 18.0 ppb (17) N/A N/A 14.0 ppb (11) N/A N/A 5.8 μg/m3 (24) 24.0
 
Jan. 6, 2020, 1 a.m. 12.5 ppb (12) 0.3 ppb (0) N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) N/A N/A 3.3 μg/m3 (14) 15.0
 
Jan. 6, 2020, midnight 9.7 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) N/A N/A 4.7 μg/m3 (20) 20.0
 
Jan. 5, 2020, 11 p.m. 5.9 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 5, 2020, 10 p.m. 11.7 ppb (11) 1.5 ppb (1) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 5, 2020, 9 p.m. 27.8 ppb (26) 5.9 ppb (5) N/A 22.0 ppb (20) N/A N/A 13.0 ppb (10) N/A N/A 14.2 μg/m3 (55) 55.0
 
Jan. 5, 2020, 8 p.m. 28.9 ppb (27) 5.2 ppb (5) N/A 24.0 ppb (22) N/A N/A 12.0 ppb (9) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 5, 2020, 7 p.m. 42.1 ppb (39) 11.9 ppb (11) N/A 30.0 ppb (28) N/A N/A 8.0 ppb (6) N/A N/A 13.7 μg/m3 (54) 54.0
 
Jan. 5, 2020, 6 p.m. 50.0 ppb (46) 21.7 ppb (20) N/A 28.0 ppb (26) N/A N/A 9.0 ppb (7) N/A N/A 14.5 μg/m3 (55) 55.0
 
Jan. 5, 2020, 5 p.m. 80.8 ppb (79) 45.3 ppb (42) N/A 35.0 ppb (32) N/A N/A 5.0 ppb (4) N/A N/A 16.8 μg/m3 (60) 79.0
 
Jan. 5, 2020, 4 p.m. 81.2 ppb (79) 46.4 ppb (43) N/A 35.0 ppb (32) N/A N/A 3.0 ppb (2) N/A N/A 14.4 μg/m3 (55) 79.0
 
Jan. 5, 2020, 3 p.m. 93.6 ppb (92) 56.2 ppb (52) N/A 37.0 ppb (34) N/A N/A 1.0 ppb (1) N/A N/A 8.9 μg/m3 (37) 92.0
 
Jan. 5, 2020, 2 p.m. 98.4 ppb (97) 60.6 ppb (57) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) N/A N/A 8.7 μg/m3 (36) 97.0
 
Jan. 5, 2020, 1 p.m. 62.1 ppb (59) 26.7 ppb (25) N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) N/A N/A 6.7 μg/m3 (28) 59.0
 
Jan. 5, 2020, noon 56.1 ppb (52) 21.5 ppb (20) N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) N/A N/A 6.9 μg/m3 (29) 52.0
 
Jan. 5, 2020, 11 a.m. 54.5 ppb (51) 20.7 ppb (19) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) N/A N/A 5.9 μg/m3 (25) 51.0
 
Jan. 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.8 μg/m3 (20) 20.0
 
Jan. 5, 2020, 9 a.m. 42.0 ppb (39) 10.8 ppb (10) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) N/A N/A 5.3 μg/m3 (22) 39.0
 
Jan. 5, 2020, 8 a.m. 32.1 ppb (30) 4.0 ppb (4) N/A 28.0 ppb (26) N/A N/A 3.0 ppb (2) N/A N/A 3.3 μg/m3 (14) 30.0
 
Jan. 5, 2020, 7 a.m. 27.7 ppb (26) 2.6 ppb (2) N/A 25.0 ppb (23) N/A N/A 5.0 ppb (4) N/A N/A 2.0 μg/m3 (8) 26.0
 
Jan. 5, 2020, 6 a.m. 37.7 ppb (35) 8.2 ppb (8) N/A 30.0 ppb (28) N/A N/A 2.0 ppb (2) N/A N/A 6.5 μg/m3 (27) 35.0
 
Jan. 5, 2020, 5 a.m. 37.0 ppb (34) 12.2 ppb (11) N/A 25.0 ppb (23) N/A N/A 6.0 ppb (5) N/A N/A 4.8 μg/m3 (20) 34.0
 
Jan. 5, 2020, 4 a.m. 27.1 ppb (25) 2.5 ppb (2) N/A 25.0 ppb (23) N/A N/A 5.0 ppb (4) N/A N/A 5.7 μg/m3 (24) 25.0
 
Jan. 5, 2020, 3 a.m. 41.0 ppb (38) 11.0 ppb (10) N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 7.4 μg/m3 (31) 38.0
 
Jan. 5, 2020, 2 a.m. 64.5 ppb (61) 31.5 ppb (29) N/A 33.0 ppb (31) N/A N/A 0.0 ppb (0) N/A N/A 12.6 μg/m3 (51) 61.0
 
Jan. 5, 2020, 1 a.m. 32.4 ppb (30) 5.8 ppb (5) N/A 27.0 ppb (25) N/A N/A 7.0 ppb (5) N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 5, 2020, midnight 33.2 ppb (31) 4.7 ppb (4) N/A 29.0 ppb (27) N/A N/A 3.0 ppb (2) N/A N/A 15.2 μg/m3 (57) 57.0
 
Jan. 4, 2020, 11 p.m. 29.6 ppb (27) 3.9 ppb (4) N/A 26.0 ppb (24) N/A N/A 8.0 ppb (6) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 4, 2020, 10 p.m. 16.5 ppb (15) 1.5 ppb (1) N/A 15.0 ppb (14) N/A N/A 21.0 ppb (16) N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 4, 2020, 9 p.m. 13.5 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) N/A N/A 9.5 μg/m3 (40) 40.0
 
Jan. 4, 2020, 8 p.m. 14.9 ppb (14) 4.0 ppb (4) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) N/A N/A 4.1 μg/m3 (17) 20.0
 
Jan. 4, 2020, 7 p.m. 15.1 ppb (14) 3.2 ppb (3) N/A 12.0 ppb (11) N/A N/A 28.0 ppb (22) N/A N/A 3.5 μg/m3 (15) 22.0
 
Jan. 4, 2020, 6 p.m. 14.0 ppb (13) 4.8 ppb (4) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) N/A N/A 3.7 μg/m3 (15) 24.0
 
Jan. 4, 2020, 5 p.m. 25.9 ppb (24) 8.9 ppb (8) N/A 17.0 ppb (16) N/A N/A 26.0 ppb (20) N/A N/A 4.7 μg/m3 (20) 24.0
 
Jan. 4, 2020, 4 p.m. 29.7 ppb (28) 9.9 ppb (9) N/A 20.0 ppb (19) N/A N/A 21.0 ppb (16) N/A N/A 4.4 μg/m3 (18) 28.0
 
Jan. 4, 2020, 3 p.m. 58.9 ppb (55) 26.7 ppb (25) N/A 32.0 ppb (30) N/A N/A 6.0 ppb (5) N/A N/A 4.2 μg/m3 (18) 55.0
 
Jan. 4, 2020, 2 p.m. 35.1 ppb (32) 6.9 ppb (6) N/A 28.0 ppb (26) N/A N/A 8.0 ppb (6) N/A N/A 2.8 μg/m3 (12) 32.0
 
Jan. 4, 2020, 1 p.m. 45.1 ppb (42) 10.1 ppb (9) N/A 35.0 ppb (32) N/A N/A 2.0 ppb (2) N/A N/A 2.1 μg/m3 (9) 42.0
 
Jan. 4, 2020, noon 40.4 ppb (37) 7.5 ppb (7) N/A 33.0 ppb (31) N/A N/A 0.0 ppb (0) N/A N/A 2.0 μg/m3 (8) 37.0
 
Jan. 4, 2020, 11 a.m. 32.4 ppb (30) 3.1 ppb (3) N/A 29.0 ppb (27) N/A N/A 6.0 ppb (5) N/A N/A 1.7 μg/m3 (7) 30.0
 
Jan. 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 1.9 μg/m3 (8) 8.0