AQSQID: 380150003

Site Name: Bismarck Residential

Location: Bismarck, ND

Reporting: True, Located: True

Current AQI: 29.0

Bismarck ND, US: 46.8253, -100.7681

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 2 a.m. 2.5 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 6.9 μg/m3 (29) 29.0
 
Jan. 16, 2019, 1 a.m. 3.1 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) N/A 4.1 μg/m3 (17) 17.0
 
Jan. 16, 2019, midnight 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) 0.19 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2019, 11 p.m. 7.1 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 15, 2019, 10 p.m. 5.3 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 15, 2019, 9 p.m. 6.8 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.19 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
Jan. 15, 2019, 8 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) N/A 12.8 μg/m3 (52) 52.0
 
Jan. 15, 2019, 7 p.m. 8.0 ppb (7) 1.4 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.22 ppb (2) N/A 7.2 μg/m3 (30) 30.0
 
Jan. 15, 2019, 6 p.m. 7.4 ppb (7) 1.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) N/A 10.8 μg/m3 (45) 45.0
 
Jan. 15, 2019, 5 p.m. 8.2 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) 0.21 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2019, 4 p.m. 8.0 ppb (7) 1.3 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 20.0 ppb (15) 0.2 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 3 p.m. 9.1 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 16.0 ppb (12) 0.18 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 2 p.m. 9.4 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 15.0 ppb (12) 0.18 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 15, 2019, 1 p.m. 17.3 ppb (16) 2.9 ppb (3) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 8.0 ppb (6) 0.26 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, noon 14.1 ppb (13) 2.9 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 8.0 ppb (6) 0.24 ppb (3) N/A 10.8 μg/m3 (45) 45.0
 
Jan. 15, 2019, 11 a.m. 10.3 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 8.0 ppb (6) 0.23 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2019, 10 a.m. 8.1 ppb (8) 1.1 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 9.0 ppb (7) 0.18 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 9 a.m. 10.3 ppb (10) 1.3 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 8.0 ppb (6) 0.2 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
Jan. 15, 2019, 8 a.m. 12.1 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 7.0 ppb (5) 0.25 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2019, 7 a.m. 9.7 ppb (9) 1.2 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 8.0 ppb (6) 0.21 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 6 a.m. 10.2 ppb (9) 1.3 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 8.0 ppb (6) 0.21 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 5 a.m. 6.5 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (8) 0.18 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 4 a.m. 5.2 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (10) 0.18 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 15, 2019, 3 a.m. 6.0 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) 0.18 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
Jan. 15, 2019, 2 a.m. 6.5 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 12.9 μg/m3 (52) 52.0
 
Jan. 15, 2019, 1 a.m. 8.0 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) 0.18 ppb (2) N/A 13.9 μg/m3 (54) 54.0
 
Jan. 15, 2019, midnight 9.2 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 14.0 ppb (11) 0.19 ppb (2) N/A 15.9 μg/m3 (58) 58.0
 
Jan. 14, 2019, 11 p.m. 9.6 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 16.0 ppb (12) 0.2 ppb (2) N/A 16.9 μg/m3 (60) 60.0
 
Jan. 14, 2019, 10 p.m. 7.4 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 19.0 ppb (15) 0.16 ppb (2) N/A 17.9 μg/m3 (63) 63.0
 
Jan. 14, 2019, 9 p.m. 7.5 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 21.0 ppb (16) 0.16 ppb (2) N/A 13.1 μg/m3 (52) 52.0
 
Jan. 14, 2019, 8 p.m. 7.2 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 21.0 ppb (16) 0.15 ppb (2) N/A 10.1 μg/m3 (42) 42.0
 
Jan. 14, 2019, 7 p.m. 8.4 ppb (8) 2.7 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 19.0 ppb (15) 0.16 ppb (2) N/A 15.8 μg/m3 (58) 58.0
 
Jan. 14, 2019, 6 p.m. 7.1 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 19.0 ppb (15) 0.15 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 14, 2019, 5 p.m. 7.3 ppb (7) 2.2 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 17.0 ppb (13) 0.16 ppb (2) N/A 17.9 μg/m3 (63) 63.0
 
Jan. 14, 2019, 4 p.m. 12.4 ppb (11) 4.3 ppb (4) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 12.0 ppb (9) 0.19 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 14, 2019, 3 p.m. 16.6 ppb (15) 5.2 ppb (5) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 9.0 ppb (7) 0.23 ppb (3) N/A 16.9 μg/m3 (60) 60.0
 
Jan. 14, 2019, 2 p.m. 14.4 ppb (13) 2.1 ppb (2) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 9.0 ppb (7) 0.26 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 14, 2019, 1 p.m. 12.6 ppb (12) 1.8 ppb (2) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 9.0 ppb (7) 0.2 ppb (2) N/A 15.9 μg/m3 (58) 58.0
 
Jan. 14, 2019, noon 9.6 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 11.0 ppb (8) 0.18 ppb (2) N/A 10.2 μg/m3 (42) 42.0
 
Jan. 14, 2019, 11 a.m. 8.2 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 11.0 ppb (8) 0.17 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 10 a.m. 9.2 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 10.0 ppb (8) 0.16 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 9 a.m. 11.5 ppb (11) 1.2 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 9.0 ppb (7) 0.16 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
Jan. 14, 2019, 8 a.m. 13.0 ppb (12) 1.6 ppb (1) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 8.0 ppb (6) 0.17 ppb (2) N/A 10.9 μg/m3 (45) 45.0
 
Jan. 14, 2019, 7 a.m. 15.5 ppb (14) 1.9 ppb (2) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 7.0 ppb (5) 0.2 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2019, 6 a.m. 16.2 ppb (15) 2.5 ppb (2) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 7.0 ppb (5) 0.21 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 5 a.m. 13.5 ppb (12) 1.5 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 8.0 ppb (6) 0.18 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
Jan. 14, 2019, 4 a.m. 11.0 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 10.0 ppb (8) 0.18 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 14, 2019, 3 a.m. 13.4 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 9.0 ppb (7) 0.2 ppb (2) N/A 10.8 μg/m3 (45) 45.0
 
Jan. 14, 2019, 2 a.m. 21.7 ppb (20) 4.2 ppb (4) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 5.0 ppb (4) N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 14, 2019, 1 a.m. 25.7 ppb (24) 6.7 ppb (6) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 5.0 ppb (4) 0.34 ppb (4) N/A 4.1 μg/m3 (17) 24.0
 
Jan. 14, 2019, midnight 11.5 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 12.0 ppb (9) 0.23 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 13, 2019, 11 p.m. 14.4 ppb (13) 1.8 ppb (2) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 10.0 ppb (8) 0.28 ppb (3) N/A 0.1 μg/m3 (0) 13.0
 
Jan. 13, 2019, 10 p.m. 4.9 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) 0.18 ppb (2) N/A 1.9 μg/m3 (8) 14.0
 
Jan. 13, 2019, 9 p.m. 4.1 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) 0.17 ppb (2) N/A 2.0 μg/m3 (8) 15.0
 
Jan. 13, 2019, 8 p.m. 4.1 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) 0.17 ppb (2) N/A 2.9 μg/m3 (12) 15.0
 
Jan. 13, 2019, 7 p.m. 4.7 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (14) 0.17 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 13, 2019, 6 p.m. 5.0 ppb (5) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (14) 0.17 ppb (2) N/A 3.1 μg/m3 (13) 14.0
 
Jan. 13, 2019, 5 p.m. 4.8 ppb (4) 1.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (13) 0.18 ppb (2) N/A 3.0 μg/m3 (12) 13.0
 
Jan. 13, 2019, 4 p.m. 4.9 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (13) 0.18 ppb (2) N/A 4.9 μg/m3 (20) 20.0
 
Jan. 13, 2019, 3 p.m. 4.7 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (12) 0.17 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 13, 2019, 2 p.m. 4.8 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (12) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2019, 1 p.m. 4.1 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (12) 0.16 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2019, noon 4.4 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (12) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2019, 11 a.m. 3.8 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (13) 0.16 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 13, 2019, 10 a.m. 3.9 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (13) 0.16 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 13, 2019, 9 a.m. 3.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (14) 0.16 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
Jan. 13, 2019, 8 a.m. 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) 0.16 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 13, 2019, 7 a.m. 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (15) 0.17 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 13, 2019, 6 a.m. 3.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.16 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
Jan. 13, 2019, 5 a.m. 3.4 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2019, 4 a.m. 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 13, 2019, 3 a.m. 3.4 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) N/A 4.0 μg/m3 (17) 19.0
 
Jan. 13, 2019, 2 a.m. 3.2 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
Jan. 13, 2019, 1 a.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.15 ppb (2) N/A 2.9 μg/m3 (12) 21.0
 
Jan. 13, 2019, midnight 3.8 ppb (4) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.16 ppb (2) N/A 2.0 μg/m3 (8) 20.0
 
Jan. 12, 2019, 11 p.m. 3.9 ppb (4) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.16 ppb (2) N/A 2.9 μg/m3 (12) 20.0
 
Jan. 12, 2019, 10 p.m. 3.4 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.16 ppb (2) N/A 3.9 μg/m3 (16) 20.0
 
Jan. 12, 2019, 9 p.m. 3.2 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.15 ppb (2) N/A 4.9 μg/m3 (20) 21.0
 
Jan. 12, 2019, 8 p.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.15 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 12, 2019, 7 p.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.16 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2019, 6 p.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.16 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2019, 5 p.m. 3.6 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2019, 4 p.m. 3.5 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) N/A 3.0 μg/m3 (12) 22.0
 
Jan. 12, 2019, 3 p.m. 3.4 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) N/A 3.0 μg/m3 (12) 22.0
 
Jan. 12, 2019, 2 p.m. 4.5 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.16 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 12, 2019, 1 p.m. 3.6 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
Jan. 12, 2019, noon 3.4 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.16 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
Jan. 12, 2019, 11 a.m. 3.8 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 12, 2019, 10 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
Jan. 12, 2019, 9 a.m. 3.4 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 8 a.m. 3.6 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) N/A 11.9 μg/m3 (50) 50.0
 
Jan. 12, 2019, 7 a.m. 3.7 ppb (3) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2019, 6 a.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.16 ppb (2) N/A 12.9 μg/m3 (52) 52.0
 
Jan. 12, 2019, 5 a.m. 4.3 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.16 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 12, 2019, 4 a.m. 4.4 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.16 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 12, 2019, 3 a.m. 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2019, 2 a.m. 4.1 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 9.9 μg/m3 (41) 41.0
 
Jan. 12, 2019, 1 a.m. 3.9 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.17 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, midnight 4.4 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 11, 2019, 11 p.m. 5.5 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.19 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
Jan. 11, 2019, 10 p.m. 5.9 ppb (5) 1.2 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (19) 0.18 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2019, 9 p.m. 4.2 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 8 p.m. 4.2 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2019, 7 p.m. 3.5 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
Jan. 11, 2019, 6 p.m. 4.2 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.16 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 11, 2019, 5 p.m. 4.2 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.16 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
Jan. 11, 2019, 4 p.m. 4.8 ppb (4) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 11, 2019, 3 p.m. 8.2 ppb (8) 1.9 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.17 ppb (2) N/A 9.9 μg/m3 (41) 41.0
 
Jan. 11, 2019, 2 p.m. 15.2 ppb (14) 2.8 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 10.0 ppb (8) 0.25 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2019, 1 p.m. 10.6 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 11, 2019, noon 13.9 ppb (13) 2.6 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 8.0 ppb (6) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 11, 2019, 11 a.m. 29.2 ppb (27) 11.7 ppb (11) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 4.0 ppb (3) 0.32 ppb (4) N/A 5.9 μg/m3 (25) 27.0
 
Jan. 11, 2019, 10 a.m. 58.5 ppb (55) 32.1 ppb (30) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 1.0 ppb (1) 0.64 ppb (7) N/A 8.9 μg/m3 (37) 55.0
 
Jan. 11, 2019, 9 a.m. 29.1 ppb (27) 6.9 ppb (6) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 2.0 ppb (2) 0.4 ppb (4) N/A 10.9 μg/m3 (45) 45.0
 
Jan. 11, 2019, 8 a.m. 48.6 ppb (45) 23.7 ppb (22) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 1.0 ppb (1) 0.55 ppb (6) N/A 7.0 μg/m3 (29) 45.0
 
Jan. 11, 2019, 7 a.m. 33.4 ppb (31) 13.4 ppb (12) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 4.0 ppb (3) 0.4 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 11, 2019, 6 a.m. 23.2 ppb (21) 6.7 ppb (6) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 7.0 ppb (5) 0.39 ppb (4) N/A 12.9 μg/m3 (52) 52.0
 
Jan. 11, 2019, 5 a.m. 28.9 ppb (27) 9.9 ppb (9) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 4.0 ppb (3) 0.55 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 11, 2019, 4 a.m. 12.0 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 12.0 ppb (9) 0.25 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 11, 2019, 3 a.m. 28.0 ppb (26) 9.5 ppb (9) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 5.0 ppb (4) 0.36 ppb (4) N/A 5.0 μg/m3 (21) 26.0
 
Jan. 11, 2019, 2 a.m. 20.0 ppb (19) 3.8 ppb (4) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 4.0 μg/m3 (17) 19.0
 
Jan. 11, 2019, 1 a.m. 19.2 ppb (18) 4.3 ppb (4) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 9.0 ppb (7) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 11, 2019, midnight 11.7 ppb (11) 1.1 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 12.0 ppb (9) 0.26 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
Jan. 10, 2019, 11 p.m. 10.3 ppb (10) 0.9 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 14.0 ppb (11) 0.24 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 10, 2019, 10 p.m. 12.8 ppb (12) 2.7 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (12) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2019, 9 p.m. 7.3 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 15.0
 
Jan. 10, 2019, 8 p.m. 4.2 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) N/A 3.0 μg/m3 (12) 16.0
 
Jan. 10, 2019, 7 p.m. 5.1 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) N/A 3.0 μg/m3 (12) 16.0
 
Jan. 10, 2019, 6 p.m. 5.0 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) N/A 3.9 μg/m3 (16) 16.0
 
Jan. 10, 2019, 5 p.m. 4.2 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) N/A 2.0 μg/m3 (8) 16.0
 
Jan. 10, 2019, 4 p.m. 3.8 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) N/A 2.0 μg/m3 (8) 16.0
 
Jan. 10, 2019, 3 p.m. 5.5 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) 0.18 ppb (2) N/A 2.0 μg/m3 (8) 15.0
 
Jan. 10, 2019, 2 p.m. 6.6 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) N/A 2.9 μg/m3 (12) 15.0
 
Jan. 10, 2019, 1 p.m. 4.9 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) 0.19 ppb (2) N/A 3.0 μg/m3 (12) 17.0
 
Jan. 10, 2019, noon 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) 0.17 ppb (2) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 10, 2019, 11 a.m. 3.2 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) N/A 4.9 μg/m3 (20) 20.0
 
Jan. 10, 2019, 10 a.m. 3.7 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 10, 2019, 9 a.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) N/A 3.0 μg/m3 (12) 21.0
 
Jan. 10, 2019, 8 a.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.16 ppb (2) N/A 3.9 μg/m3 (16) 21.0
 
Jan. 10, 2019, 7 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) N/A 0.0 μg/m3 (0) 22.0
 
Jan. 10, 2019, 6 a.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.15 ppb (2) N/A 0.9 μg/m3 (4) 21.0
 
Jan. 10, 2019, 5 a.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.15 ppb (2) N/A 4.9 μg/m3 (20) 21.0
 
Jan. 10, 2019, 4 a.m. 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.15 ppb (2) N/A 2.0 μg/m3 (8) 20.0
 
Jan. 10, 2019, 3 a.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.15 ppb (2) N/A 3.9 μg/m3 (16) 21.0
 
Jan. 10, 2019, 2 a.m. 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 4.9 μg/m3 (20) 20.0
 
Jan. 10, 2019, 1 a.m. 3.4 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.15 ppb (2) N/A 2.0 μg/m3 (8) 20.0
 
Jan. 10, 2019, midnight 3.4 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.15 ppb (2) N/A 2.9 μg/m3 (12) 21.0
 
Jan. 9, 2019, 11 p.m. 4.5 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.15 ppb (2) N/A 3.9 μg/m3 (16) 20.0
 
Jan. 9, 2019, 10 p.m. 3.3 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 22.0
 
Jan. 9, 2019, 9 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) 0.13 ppb (1) N/A 4.9 μg/m3 (20) 22.0
 
Jan. 9, 2019, 8 p.m. 3.8 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 29.0 ppb (22) 0.13 ppb (1) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 9, 2019, 7 p.m. 3.8 ppb (4) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) 0.13 ppb (1) N/A 3.0 μg/m3 (12) 22.0
 
Jan. 9, 2019, 6 p.m. 3.8 ppb (4) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) 0.13 ppb (1) N/A 3.9 μg/m3 (16) 22.0
 
Jan. 9, 2019, 5 p.m. 4.9 ppb (5) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 28.0 ppb (22) 0.14 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 9, 2019, 4 p.m. 8.7 ppb (8) 2.8 ppb (3) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 26.0 ppb (20) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 9, 2019, 3 p.m. 8.1 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A 2.0 ppb (3) 24.0 ppb (18) 0.16 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 9, 2019, 2 p.m. 10.2 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 23.0 ppb (18) 0.21 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 9, 2019, 1 p.m. 10.0 ppb (9) 1.2 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 23.0 ppb (18) 0.19 ppb (2) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 9, 2019, noon 6.5 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 26.0 ppb (20) 0.16 ppb (2) N/A 3.0 μg/m3 (12) 20.0
 
Jan. 9, 2019, 11 a.m. 6.3 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 26.0 ppb (20) 0.14 ppb (2) N/A 2.0 μg/m3 (8) 20.0
 
Jan. 9, 2019, 10 a.m. 5.0 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.13 ppb (1) N/A 2.0 μg/m3 (8) 22.0
 
Jan. 9, 2019, 9 a.m. 3.2 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.13 ppb (1) N/A 1.0 μg/m3 (4) 23.0
 
Jan. 9, 2019, 8 a.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) N/A 1.0 μg/m3 (4) 25.0
 
Jan. 9, 2019, 7 a.m. 2.6 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) N/A 1.9 μg/m3 (8) 25.0
 
Jan. 9, 2019, 6 a.m. 3.7 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) N/A 4.8 μg/m3 (20) 25.0
 
Jan. 9, 2019, 5 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) N/A 6.9 μg/m3 (29) 29.0
 
Jan. 9, 2019, 4 a.m. 3.2 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) 0.13 ppb (1) N/A 4.1 μg/m3 (17) 25.0
 
Jan. 9, 2019, 3 a.m. 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) N/A 2.0 μg/m3 (8) 26.0