AQSQID: 261130001

Site Name: Houghton Lake

Location: Missaukee Co, MI

Reporting: True, Located: True

Current AQI: 42.0

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
Nov. 22, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) N/A N/A 10.1 μg/m3 (42) 42.0
 
Nov. 21, 2019, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A N/A 8.2 μg/m3 (34) 34.0
 
Nov. 21, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) N/A N/A 1.2 μg/m3 (5) 15.0
 
Nov. 21, 2019, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A N/A -1.8 μg/m3 (0) 16.0
 
Nov. 21, 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 1.9 μg/m3 (8) 17.0
 
Nov. 21, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A N/A 7.2 μg/m3 (30) 30.0
 
Nov. 21, 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 10.4 μg/m3 (43) 43.0
 
Nov. 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 10.6 μg/m3 (44) 44.0
 
Nov. 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 5.7 μg/m3 (24) 24.0
 
Nov. 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 21, 2019, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 15.0 ppb (12) N/A N/A 5.4 μg/m3 (23) 23.0
 
Nov. 21, 2019, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) N/A N/A 7.3 μg/m3 (30) 30.0
 
Nov. 21, 2019, noon 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
 
Nov. 21, 2019, 11 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
 
Nov. 21, 2019, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Nov. 21, 2019, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
Nov. 21, 2019, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 11.0 ppb (8) N/A N/A N/A 8.0
 
Nov. 21, 2019, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 9.0 ppb (7) N/A N/A N/A 7.0
 
Nov. 21, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 7.0 ppb (5) N/A N/A N/A 6.0
 
Nov. 21, 2019, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 6.0 ppb (5) N/A N/A N/A 6.0
 
Nov. 21, 2019, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 6.0 ppb (5) N/A N/A N/A 6.0
 
Nov. 21, 2019, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 7.0 ppb (5) N/A N/A N/A 6.0
 
Nov. 21, 2019, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 8.0 ppb (6) N/A N/A N/A 6.0
 
Nov. 21, 2019, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 9.0 ppb (7) N/A N/A N/A 7.0
 
Nov. 21, 2019, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 10.0 ppb (8) N/A N/A N/A 8.0
 
Nov. 20, 2019, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
Nov. 20, 2019, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
Nov. 20, 2019, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Nov. 20, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
Nov. 20, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) N/A N/A N/A 13.0
 
Nov. 20, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
Nov. 20, 2019, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) N/A N/A N/A 13.0
 
Nov. 20, 2019, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) N/A N/A 17.1 μg/m3 (61) 61.0
 
Nov. 20, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) N/A N/A 10.1 μg/m3 (42) 42.0
 
Nov. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 7.8 μg/m3 (32) 32.0
 
Nov. 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 4.1 μg/m3 (17) 17.0
 
Nov. 20, 2019, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 4.8 μg/m3 (20) 20.0
 
Nov. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 7.3 μg/m3 (30) 30.0
 
Nov. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 5.7 μg/m3 (24) 24.0
 
Nov. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 6.4 μg/m3 (27) 27.0
 
Nov. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 5.3 μg/m3 (22) 22.0
 
Nov. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 2.0 μg/m3 (8) 8.0
 
Nov. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 17.8 μg/m3 (62) 62.0
 
Nov. 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 18.3 μg/m3 (63) 63.0
 
Nov. 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 4.1 μg/m3 (17) 17.0
 
Nov. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 5.8 μg/m3 (24) 24.0
 
Nov. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 10.3 μg/m3 (43) 43.0
 
Nov. 20, 2019, midnight N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 14.3 μg/m3 (55) 55.0
 
Nov. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 18.2 μg/m3 (63) 63.0
 
Nov. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 20.7 μg/m3 (69) 69.0
 
Nov. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 16.6 μg/m3 (60) 60.0
 
Nov. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 4.4 μg/m3 (18) 18.0
 
Nov. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A -4.1 μg/m3 (0) 12.0
 
Nov. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
Nov. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 16.6 μg/m3 (60) 60.0
 
Nov. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 22.9 μg/m3 (73) 73.0
 
Nov. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 27.6 μg/m3 (83) 83.0
 
Nov. 19, 2019, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 7.0 ppb (5) N/A N/A 28.3 μg/m3 (85) 85.0
 
Nov. 19, 2019, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 5.0 ppb (4) N/A N/A 33.3 μg/m3 (95) 95.0
 
Nov. 19, 2019, noon N/A N/A N/A 7.0 ppb (6) N/A N/A 7.0 ppb (5) N/A N/A 34.3 μg/m3 (97) 97.0
 
Nov. 19, 2019, 11 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 10.0 ppb (8) N/A N/A 37.1 μg/m3 (104) 104.0
 
Nov. 19, 2019, 10 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 12.0 ppb (9) N/A N/A 40.8 μg/m3 (113) 113.0
 
Nov. 19, 2019, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A 14.0 ppb (11) N/A N/A 34.7 μg/m3 (98) 98.0
 
Nov. 19, 2019, 8 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) N/A N/A 30.7 μg/m3 (90) 90.0
 
Nov. 19, 2019, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A 12.0 ppb (9) N/A N/A 28.1 μg/m3 (84) 84.0
 
Nov. 13, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 13, 2019, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A 12.6 μg/m3 (51) 51.0
 
Nov. 13, 2019, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A N/A 14.9 μg/m3 (56) 56.0
 
Nov. 13, 2019, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) N/A N/A 3.6 μg/m3 (15) 23.0
 
Nov. 13, 2019, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) N/A N/A 3.6 μg/m3 (15) 22.0
 
Nov. 13, 2019, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) N/A N/A 1.7 μg/m3 (7) 21.0
 
Nov. 13, 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 22.1 μg/m3 (71) 71.0
 
Nov. 13, 2019, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 21.3 μg/m3 (70) 70.0
 
Nov. 13, 2019, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) N/A N/A -1.9 μg/m3 (0) 17.0
 
Nov. 13, 2019, 10 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
 
Nov. 13, 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 1.0 μg/m3 (4) 17.0
 
Nov. 13, 2019, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 25.0 ppb (19) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 13, 2019, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) N/A N/A 4.5 μg/m3 (19) 21.0
 
Nov. 13, 2019, 6 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
 
Nov. 13, 2019, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Nov. 13, 2019, 4 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
 
Nov. 13, 2019, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 4.6 μg/m3 (19) 22.0
 
Nov. 13, 2019, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 8.4 μg/m3 (35) 35.0
 
Nov. 13, 2019, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A -1.9 μg/m3 (0) 24.0
 
Nov. 13, 2019, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 12.7 μg/m3 (51) 51.0
 
Nov. 12, 2019, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 15.4 μg/m3 (57) 57.0
 
Nov. 12, 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 6.4 μg/m3 (27) 27.0
 
Nov. 12, 2019, 9 p.m. N/A N/A N/A 0.0 ppb (0) N/A N/A 37.0 ppb (28) N/A N/A 3.8 μg/m3 (16) 28.0
 
Nov. 12, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A -2.5 μg/m3 (0) 28.0
 
Nov. 12, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Nov. 12, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 12, 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 N/A 25.0
 
Nov. 12, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 12, 2019, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 12, 2019, 2 p.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
 
Nov. 12, 2019, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Nov. 12, 2019, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 15.0 ppb (12) N/A N/A 3.2 μg/m3 (13) 13.0
 
Nov. 12, 2019, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) N/A N/A 15.9 μg/m3 (58) 58.0
 
Nov. 12, 2019, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) N/A N/A 12.4 μg/m3 (51) 51.0
 
Nov. 12, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A N/A 13.6 μg/m3 (53) 53.0
 
Nov. 12, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (18) N/A N/A 2.4 μg/m3 (10) 18.0
 
Nov. 12, 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 N/A 18.0
 
Nov. 12, 2019, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) N/A N/A 3.3 μg/m3 (14) 18.0
 
Nov. 12, 2019, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 17.6 μg/m3 (62) 62.0
 
Nov. 12, 2019, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 4.5 μg/m3 (19) 22.0
 
Nov. 12, 2019, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A 8.2 μg/m3 (34) 34.0
 
Nov. 12, 2019, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) N/A N/A 17.4 μg/m3 (61) 61.0
 
Nov. 12, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 4.4 μg/m3 (18) 19.0
 
Nov. 12, 2019, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A 4.2 μg/m3 (18) 22.0
 
Nov. 11, 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 7.9 μg/m3 (33) 33.0
 
Nov. 11, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 8.2 μg/m3 (34) 34.0
 
Nov. 11, 2019, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 2.5 μg/m3 (10) 25.0
 
Nov. 11, 2019, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A -3.6 μg/m3 (0) 25.0
 
Nov. 11, 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 N/A 25.0
 
Nov. 11, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Nov. 11, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A 1.1 μg/m3 (5) 22.0
 
Nov. 11, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A 16.3 μg/m3 (59) 59.0
 
Nov. 11, 2019, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 11.6 μg/m3 (48) 48.0
 
Nov. 11, 2019, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A -1.1 μg/m3 (0) 25.0
 
Nov. 11, 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 -4.1 μg/m3 (0) 25.0
 
Nov. 11, 2019, noon N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 11, 2019, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 11, 2019, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 11.7 μg/m3 (49) 49.0
 
Nov. 11, 2019, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 13.4 μg/m3 (53) 53.0
 
Nov. 11, 2019, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 1.0 μg/m3 (4) 23.0
 
Nov. 11, 2019, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A -1.1 μg/m3 (0) 22.0
 
Nov. 11, 2019, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A -4.6 μg/m3 (0) 22.0
 
Nov. 11, 2019, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A -3.9 μg/m3 (0) 22.0
 
Nov. 11, 2019, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 12.5 μg/m3 (51) 51.0
 
Nov. 11, 2019, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A 12.5 μg/m3 (51) 51.0
 
Nov. 11, 2019, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A -1.2 μg/m3 (0) 24.0
 
Nov. 11, 2019, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A -2.3 μg/m3 (0) 24.0
 
Nov. 11, 2019, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 3.0 μg/m3 (12) 24.0
 
Nov. 10, 2019, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 16.4 μg/m3 (59) 59.0
 
Nov. 10, 2019, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A 19.4 μg/m3 (66) 66.0
 
Nov. 10, 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 7.8 μg/m3 (32) 32.0
 
Nov. 10, 2019, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A -1.4 μg/m3 (0) 23.0
 
Nov. 10, 2019, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (22) N/A N/A -3.2 μg/m3 (0) 22.0
 
Nov. 10, 2019, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) N/A N/A -1.7 μg/m3 (0) 22.0
 
Nov. 10, 2019, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) N/A N/A 0.2 μg/m3 (1) 20.0
 
Nov. 10, 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 3.7 μg/m3 (15) 18.0
 
Nov. 10, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) N/A N/A 6.1 μg/m3 (25) 25.0
 
Nov. 10, 2019, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 20.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 10, 2019, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) N/A N/A 10.7 μg/m3 (45) 45.0
 
Nov. 10, 2019, noon N/A N/A N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) N/A N/A 10.5 μg/m3 (44) 44.0
 
Nov. 10, 2019, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) N/A N/A 9.4 μg/m3 (39) 39.0
 
Nov. 10, 2019, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) N/A N/A 11.4 μg/m3 (48) 48.0
 
Nov. 10, 2019, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) N/A N/A 10.2 μg/m3 (42) 42.0
 
Nov. 10, 2019, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) N/A N/A 9.4 μg/m3 (39) 39.0
 
Nov. 10, 2019, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) N/A N/A 17.0 μg/m3 (61) 61.0
 
Nov. 10, 2019, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A N/A 30.8 μg/m3 (90) 90.0
 
Nov. 10, 2019, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A N/A 23.8 μg/m3 (75) 75.0
 
Nov. 10, 2019, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 10, 2019, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) N/A N/A 12.4 μg/m3 (51) 51.0
 
Nov. 10, 2019, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 10.9 μg/m3 (45) 45.0
 
Nov. 10, 2019, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 12.6 μg/m3 (51) 51.0
 
Nov. 10, 2019, midnight N/A N/A N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 13.2 μg/m3 (53) 53.0
 
Nov. 9, 2019, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 10.6 μg/m3 (44) 44.0
 
Nov. 9, 2019, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A 9.4 μg/m3 (39) 39.0
 
Nov. 9, 2019, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) N/A N/A 4.9 μg/m3 (20) 20.0
 
Nov. 9, 2019, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A -0.5 μg/m3 (0) 21.0
 
Nov. 9, 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 11.4 μg/m3 (48) 48.0
 
Nov. 9, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 9, 2019, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A 6.7 μg/m3 (28) 28.0
 
Nov. 9, 2019, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A 16.4 μg/m3 (59) 59.0
 
Nov. 9, 2019, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A 15.3 μg/m3 (57) 57.0
 
Nov. 9, 2019, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A 3.0 μg/m3 (12) 20.0