AQSQID: 261130001

Site Name: Houghton Lake

Location: Missaukee Co, MI

Reporting: True, Located: True

Current AQI: 11.0

Missaukee Co MI, US: 44.3106, -84.891899

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 18, 2019, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Jan. 18, 2019, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Jan. 18, 2019, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 18, 2019, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 18, 2019, midnight N/A N/A N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) N/A N/A 10.9 μg/m3 (45) 45.0
 
Jan. 17, 2019, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 11.1 μg/m3 (46) 46.0
 
Jan. 17, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2019, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A N/A 9.4 μg/m3 (39) 39.0
 
Jan. 17, 2019, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) N/A N/A 10.7 μg/m3 (45) 45.0
 
Jan. 17, 2019, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 17, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 1.5 μg/m3 (6) 22.0
 
Jan. 17, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 31.0 ppb (24) N/A N/A -3.8 μg/m3 (0) 24.0
 
Jan. 17, 2019, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 2.6 μg/m3 (11) 25.0
 
Jan. 17, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A -3.4 μg/m3 (0) 22.0
 
Jan. 17, 2019, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A N/A -3.8 μg/m3 (0) 18.0
 
Jan. 17, 2019, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 21.0 ppb (16) N/A N/A -4.9 μg/m3 (0) 16.0
 
Jan. 17, 2019, noon N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 ppb (17) N/A N/A 27.3 μg/m3 (83) 83.0
 
Jan. 17, 2019, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A N/A 1.4 μg/m3 (6) 18.0
 
Jan. 17, 2019, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 17, 2019, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Jan. 17, 2019, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Jan. 17, 2019, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Jan. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A N/A 13.0
 
Jan. 17, 2019, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A N/A
Jan. 17, 2019, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Jan. 17, 2019, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 17, 2019, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 17, 2019, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 17, 2019, midnight N/A N/A N/A 0.0 ppb (0) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Jan. 16, 2019, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A -0.5 μg/m3 (0) 30.0
 
Jan. 16, 2019, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
Jan. 16, 2019, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A -0.8 μg/m3 (0) 31.0
 
Jan. 16, 2019, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A 0.3 μg/m3 (1) 31.0
 
Jan. 16, 2019, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Jan. 16, 2019, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A -2.2 μg/m3 (0) 31.0
 
Jan. 16, 2019, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
Jan. 16, 2019, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A 26.8 μg/m3 (81) 81.0
 
Jan. 16, 2019, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A 2.0 μg/m3 (8) 31.0
 
Jan. 16, 2019, 2 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A -0.5 μg/m3 (0) 31.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A -1.6 μg/m3 (0) 31.0
 
Jan. 16, 2019, noon N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A -4.8 μg/m3 (0) 30.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) N/A N/A 0.8 μg/m3 (3) 29.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) N/A N/A 2.8 μg/m3 (12) 27.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 30.0 ppb (23) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) N/A N/A 4.5 μg/m3 (19) 19.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 1.9 μg/m3 (8) 17.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 16, 2019, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A -3.4 μg/m3 (0) 19.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A 3.8 μg/m3 (16) 18.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A N/A 20.6 μg/m3 (68) 68.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) N/A N/A 23.2 μg/m3 (74) 74.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) N/A N/A 5.8 μg/m3 (24) 24.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) N/A N/A 6.5 μg/m3 (27) 27.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A N/A 10.6 μg/m3 (44) 44.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 15, 2019, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A 10.6 μg/m3 (44) 44.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 7.3 μg/m3 (30) 30.0
 
Jan. 15, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 7.5 μg/m3 (31) 31.0
 
Jan. 15, 2019, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 2.4 μg/m3 (10) 25.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 19.7 μg/m3 (66) 66.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 28.8 μg/m3 (86) 86.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 7.5 μg/m3 (31) 31.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 10.3 μg/m3 (43) 43.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 5.4 μg/m3 (23) 25.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 5.4 μg/m3 (23) 25.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 9.2 μg/m3 (38) 38.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 13.2 μg/m3 (53) 53.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 23.2 μg/m3 (74) 74.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 10.7 μg/m3 (45) 45.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) N/A N/A 13.6 μg/m3 (53) 53.0
 
Jan. 14, 2019, noon N/A N/A N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 ppb (8) N/A N/A -4.6 μg/m3 (0) 8.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 ppb (8) N/A N/A -3.4 μg/m3 (0) 8.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 ppb (9) N/A N/A -1.2 μg/m3 (0) 9.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A N/A
Jan. 14, 2019, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 ppb (13) N/A N/A N/A 13.0
 
Jan. 14, 2019, midnight N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 ppb (16) N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 13, 2019, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 26.0 ppb (20) N/A N/A 1.0 μg/m3 (4) 20.0
 
Jan. 13, 2019, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 33.0 ppb (25) N/A N/A -1.2 μg/m3 (0) 25.0
 
Jan. 13, 2019, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
Jan. 13, 2019, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A 8.9 μg/m3 (37) 37.0
 
Jan. 13, 2019, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A 30.7 μg/m3 (90) 90.0
 
Jan. 13, 2019, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A 11.2 μg/m3 (47) 47.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 41.0 ppb (32) N/A N/A -1.7 μg/m3 (0) 32.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A 2.2 μg/m3 (9) 31.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 4.4 μg/m3 (18) 27.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 3.4 μg/m3 (14) 25.0
 
Jan. 13, 2019, noon N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 1.8 μg/m3 (8) 25.0
 
Jan. 13, 2019, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 1.7 μg/m3 (7) 27.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) N/A N/A 5.3 μg/m3 (22) 27.0
 
Jan. 13, 2019, 9 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A 4.7 μg/m3 (20) 31.0
 
Jan. 13, 2019, 8 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A -1.8 μg/m3 (0) 31.0
 
Jan. 13, 2019, 7 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A 1.8 μg/m3 (8) 31.0
 
Jan. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 0.1 μg/m3 (0) 30.0
 
Jan. 13, 2019, 5 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
Jan. 13, 2019, 4 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A 2.0 μg/m3 (8) 30.0
 
Jan. 13, 2019, 3 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A -0.5 μg/m3 (0) 31.0
 
Jan. 13, 2019, 2 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A 4.4 μg/m3 (18) 30.0
 
Jan. 13, 2019, 1 a.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A 0.7 μg/m3 (3) 30.0
 
Jan. 13, 2019, midnight N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
Jan. 12, 2019, 11 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
Jan. 12, 2019, 10 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) N/A N/A 3.8 μg/m3 (16) 29.0
 
Jan. 12, 2019, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) N/A N/A 28.4 μg/m3 (85) 85.0
 
Jan. 12, 2019, 8 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) N/A N/A 1.5 μg/m3 (6) 29.0
 
Jan. 12, 2019, 7 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) N/A N/A 4.2 μg/m3 (18) 29.0
 
Jan. 12, 2019, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) N/A N/A 2.8 μg/m3 (12) 29.0
 
Jan. 12, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A -2.3 μg/m3 (0) 28.0
 
Jan. 12, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A N/A -1.9 μg/m3 (0) 28.0
 
Jan. 12, 2019, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 9.5 μg/m3 (40) 40.0
 
Jan. 12, 2019, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 2.3 μg/m3 (10) 25.0
 
Jan. 12, 2019, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 12, 2019, noon N/A N/A N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 11.3 μg/m3 (47) 47.0
 
Jan. 12, 2019, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 6.5 μg/m3 (27) 27.0
 
Jan. 12, 2019, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A 4.6 μg/m3 (19) 21.0
 
Jan. 12, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) N/A N/A -0.3 μg/m3 (0) 21.0
 
Jan. 12, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 12, 2019, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 1.1 μg/m3 (5) 20.0
 
Jan. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 7.7 μg/m3 (32) 32.0
 
Jan. 12, 2019, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 6.5 μg/m3 (27) 27.0
 
Jan. 12, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 4.8 μg/m3 (20) 22.0
 
Jan. 12, 2019, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 12, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 12, 2019, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A 0.8 μg/m3 (3) 25.0
 
Jan. 12, 2019, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 2.2 μg/m3 (9) 26.0
 
Jan. 11, 2019, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A 4.9 μg/m3 (20) 26.0
 
Jan. 11, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 5.3 μg/m3 (22) 27.0
 
Jan. 11, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 2.7 μg/m3 (11) 27.0
 
Jan. 11, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A N/A 3.1 μg/m3 (13) 28.0
 
Jan. 11, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A 4.6 μg/m3 (19) 28.0
 
Jan. 11, 2019, 6 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 37.0 ppb (28) N/A N/A 1.6 μg/m3 (7) 28.0
 
Jan. 11, 2019, 5 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 37.0 ppb (28) N/A N/A -1.2 μg/m3 (0) 28.0
 
Jan. 11, 2019, 4 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A 1.5 μg/m3 (6) 28.0
 
Jan. 11, 2019, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 3.8 μg/m3 (16) 27.0
 
Jan. 11, 2019, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) N/A N/A 5.3 μg/m3 (22) 25.0
 
Jan. 11, 2019, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 0.8 μg/m3 (3) 23.0
 
Jan. 11, 2019, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 5.1 μg/m3 (21) 22.0
 
Jan. 11, 2019, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 6.3 μg/m3 (26) 26.0
 
Jan. 11, 2019, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 3.4 μg/m3 (14) 21.0
 
Jan. 11, 2019, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 22.0 ppb (17) N/A N/A 0.6 μg/m3 (2) 17.0
 
Jan. 11, 2019, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) N/A N/A 0.8 μg/m3 (3) 18.0
 
Jan. 11, 2019, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A -0.2 μg/m3 (0) 24.0
 
Jan. 11, 2019, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0