AQSQID: 410670005

Site Name: Portland Near Road

Location: Tualatin, OR

Reporting: True, Located: True

Current AQI: 23.0

Tualatin OR, US: 45.39916, -122.7455

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 20, 2019, 8 p.m. 25.2 ppb (23) 12.8 ppb (12) N/A 12.0 ppb (11) N/A N/A 17.0 ppb (13) N/A N/A 5.3 μg/m3 (22) 23.0
 
Nov. 20, 2019, 7 p.m. 23.6 ppb (22) 13.2 ppb (12) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) N/A N/A 5.7 μg/m3 (24) 24.0
 
Nov. 20, 2019, 6 p.m. 23.1 ppb (21) 13.3 ppb (12) N/A 10.0 ppb (9) N/A N/A 11.0 ppb (8) N/A N/A 5.7 μg/m3 (24) 24.0
 
Nov. 20, 2019, 5 p.m. 91.3 ppb (90) 70.6 ppb (68) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) N/A N/A 6.9 μg/m3 (29) 90.0
 
Nov. 20, 2019, 4 p.m. 103.8 ppb (101) 79.6 ppb (77) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) N/A N/A 7.6 μg/m3 (32) 101.0
 
Nov. 20, 2019, 3 p.m. 94.6 ppb (93) 71.9 ppb (69) N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) N/A N/A 7.1 μg/m3 (30) 93.0
 
Nov. 20, 2019, 2 p.m. 86.5 ppb (85) 66.2 ppb (63) N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A 6.9 μg/m3 (29) 85.0
 
Nov. 20, 2019, 1 p.m. 88.7 ppb (87) 71.0 ppb (68) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) N/A N/A 6.7 μg/m3 (28) 87.0
 
Nov. 20, 2019, noon 63.9 ppb (61) 48.4 ppb (45) N/A 16.0 ppb (15) N/A N/A 0.0 ppb (0) N/A N/A 6.5 μg/m3 (27) 61.0
 
Nov. 20, 2019, 11 a.m. 56.4 ppb (53) 40.3 ppb (37) N/A 16.0 ppb (15) N/A N/A 0.0 ppb (0) N/A N/A 6.7 μg/m3 (28) 53.0
 
Nov. 20, 2019, 10 a.m. 26.5 ppb (25) 13.0 ppb (12) N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) N/A N/A 8.4 μg/m3 (35) 35.0
 
Nov. 20, 2019, 9 a.m. 23.5 ppb (22) 8.9 ppb (8) N/A 14.0 ppb (13) N/A N/A 5.0 ppb (4) N/A N/A 5.5 μg/m3 (23) 23.0
 
Nov. 20, 2019, 8 a.m. 32.7 ppb (30) 14.1 ppb (13) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (2) N/A N/A 5.7 μg/m3 (24) 30.0
 
Nov. 20, 2019, 7 a.m. 22.1 ppb (20) 7.4 ppb (7) N/A 15.0 ppb (14) N/A N/A 8.0 ppb (6) N/A N/A 5.2 μg/m3 (22) 22.0
 
Nov. 20, 2019, 6 a.m. 22.8 ppb (21) 9.5 ppb (9) N/A 13.0 ppb (12) N/A N/A 10.0 ppb (8) N/A N/A 5.1 μg/m3 (21) 21.0
 
Nov. 20, 2019, 5 a.m. 25.5 ppb (24) 13.1 ppb (12) N/A 12.0 ppb (11) N/A N/A 11.0 ppb (8) N/A N/A 4.9 μg/m3 (20) 24.0
 
Nov. 20, 2019, 4 a.m. 22.3 ppb (21) 10.6 ppb (10) N/A 12.0 ppb (11) N/A N/A 14.0 ppb (11) N/A N/A 4.3 μg/m3 (18) 21.0
 
Nov. 20, 2019, 3 a.m. 25.7 ppb (24) 13.3 ppb (12) N/A 12.0 ppb (11) N/A N/A 14.0 ppb (11) N/A N/A 4.3 μg/m3 (18) 24.0
 
Nov. 20, 2019, 2 a.m. 40.4 ppb (37) 21.6 ppb (20) N/A 19.0 ppb (18) N/A N/A 10.0 ppb (8) N/A N/A 5.0 μg/m3 (21) 37.0
 
Nov. 20, 2019, 1 a.m. 47.3 ppb (44) 23.1 ppb (21) N/A 24.0 ppb (22) N/A N/A 11.0 ppb (8) N/A N/A 5.8 μg/m3 (24) 44.0
 
Nov. 20, 2019, midnight 47.8 ppb (44) 25.6 ppb (24) N/A 22.0 ppb (20) N/A N/A 13.0 ppb (10) N/A N/A 5.1 μg/m3 (21) 44.0
 
Nov. 19, 2019, 11 p.m. 58.0 ppb (54) 33.5 ppb (31) N/A 24.0 ppb (22) N/A N/A 11.0 ppb (8) N/A N/A 5.1 μg/m3 (21) 54.0
 
Nov. 19, 2019, 10 p.m. 52.5 ppb (49) 31.0 ppb (29) N/A 21.0 ppb (19) N/A N/A 13.0 ppb (10) N/A N/A 4.3 μg/m3 (18) 49.0
 
Nov. 19, 2019, 9 p.m. 49.3 ppb (46) 30.1 ppb (28) N/A 19.0 ppb (18) N/A N/A 12.0 ppb (9) N/A N/A 4.0 μg/m3 (17) 46.0
 
Nov. 19, 2019, 8 p.m. 64.0 ppb (61) 42.7 ppb (40) N/A 21.0 ppb (19) N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 61.0
 
Nov. 19, 2019, 7 p.m. 60.3 ppb (57) 38.5 ppb (36) N/A 22.0 ppb (20) N/A N/A 10.0 ppb (8) N/A N/A 3.5 μg/m3 (15) 57.0
 
Nov. 19, 2019, 6 p.m. 61.9 ppb (58) 40.3 ppb (37) N/A 22.0 ppb (20) N/A N/A 10.0 ppb (8) N/A N/A 3.6 μg/m3 (15) 58.0
 
Nov. 19, 2019, 5 p.m. 67.1 ppb (64) 46.1 ppb (43) N/A 21.0 ppb (19) N/A N/A 10.0 ppb (8) N/A N/A 4.3 μg/m3 (18) 64.0
 
Nov. 19, 2019, 4 p.m. 89.2 ppb (87) 63.2 ppb (60) N/A 26.0 ppb (24) N/A N/A 4.0 ppb (3) N/A N/A 6.6 μg/m3 (28) 87.0
 
Nov. 19, 2019, 3 p.m. 90.4 ppb (89) 61.8 ppb (58) N/A 29.0 ppb (27) N/A N/A 3.0 ppb (2) N/A N/A 5.7 μg/m3 (24) 89.0
 
Nov. 19, 2019, 2 p.m. 73.7 ppb (71) 48.5 ppb (45) N/A 25.0 ppb (23) N/A N/A 5.0 ppb (4) N/A N/A 5.1 μg/m3 (21) 71.0
 
Nov. 19, 2019, 1 p.m. 53.9 ppb (50) 32.4 ppb (30) N/A 22.0 ppb (20) N/A N/A 9.0 ppb (7) N/A N/A 3.6 μg/m3 (15) 50.0
 
Nov. 19, 2019, noon 25.4 ppb (24) 11.6 ppb (11) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) N/A N/A 4.9 μg/m3 (20) 24.0
 
Nov. 19, 2019, 11 a.m. 7.9 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A 4.5 μg/m3 (19) 19.0
 
Nov. 19, 2019, 10 a.m. 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A 4.7 μg/m3 (20) 20.0
 
Nov. 19, 2019, 9 a.m. 4.1 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) N/A N/A 4.6 μg/m3 (19) 19.0
 
Nov. 19, 2019, 8 a.m. 11.1 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) N/A N/A 4.4 μg/m3 (18) 18.0
 
Nov. 19, 2019, 7 a.m. 7.4 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) N/A N/A 4.2 μg/m3 (18) 19.0
 
Nov. 19, 2019, 6 a.m. 16.0 ppb (15) 3.3 ppb (3) N/A 13.0 ppb (12) N/A N/A 21.0 ppb (16) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 19, 2019, 5 a.m. 14.4 ppb (13) 4.1 ppb (4) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) N/A N/A 4.9 μg/m3 (20) 20.0
 
Nov. 19, 2019, 4 a.m. 19.4 ppb (18) 6.4 ppb (6) N/A 13.0 ppb (12) N/A N/A 26.0 ppb (20) N/A N/A 4.6 μg/m3 (19) 20.0
 
Nov. 19, 2019, 3 a.m. 22.6 ppb (21) 10.3 ppb (10) N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) N/A N/A 4.3 μg/m3 (18) 21.0
 
Nov. 19, 2019, 2 a.m. 15.7 ppb (15) 5.8 ppb (5) N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) N/A N/A 5.6 μg/m3 (23) 23.0
 
Nov. 19, 2019, 1 a.m. 6.3 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) N/A N/A 6.5 μg/m3 (27) 27.0
 
Nov. 19, 2019, midnight 12.6 ppb (12) 3.9 ppb (4) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) N/A N/A 7.4 μg/m3 (31) 31.0
 
Nov. 18, 2019, 11 p.m. 15.0 ppb (14) 5.2 ppb (5) N/A 10.0 ppb (9) N/A N/A 6.0 ppb (5) N/A N/A 8.3 μg/m3 (35) 35.0
 
Nov. 18, 2019, 10 p.m. 26.8 ppb (25) 15.4 ppb (14) N/A 11.0 ppb (10) N/A N/A 4.0 ppb (3) N/A N/A 8.6 μg/m3 (36) 36.0
 
Nov. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 8.4 μg/m3 (35) 35.0
 
Nov. 18, 2019, 8 p.m. 18.7 ppb (17) 11.1 ppb (10) N/A 8.0 ppb (7) N/A N/A 4.0 ppb (3) N/A N/A 9.8 μg/m3 (41) 41.0
 
Nov. 18, 2019, 7 p.m. 12.6 ppb (12) 5.4 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 13.5 μg/m3 (53) 53.0
 
Nov. 18, 2019, 6 p.m. 46.6 ppb (43) 31.8 ppb (29) N/A 15.0 ppb (14) N/A N/A 2.0 ppb (2) N/A N/A 11.2 μg/m3 (47) 47.0
 
Nov. 18, 2019, 5 p.m. 25.2 ppb (23) 14.5 ppb (13) N/A 11.0 ppb (10) N/A N/A 3.0 ppb (2) N/A N/A 9.6 μg/m3 (40) 40.0
 
Nov. 18, 2019, 4 p.m. 36.5 ppb (34) 23.9 ppb (22) N/A 13.0 ppb (12) N/A N/A 1.0 ppb (1) N/A N/A 11.6 μg/m3 (48) 48.0
 
Nov. 18, 2019, 3 p.m. 32.7 ppb (30) 20.1 ppb (19) N/A 13.0 ppb (12) N/A N/A 3.0 ppb (2) N/A N/A 10.1 μg/m3 (42) 42.0
 
Nov. 18, 2019, 2 p.m. 15.3 ppb (14) 6.2 ppb (6) N/A 9.0 ppb (8) N/A N/A 5.0 ppb (4) N/A N/A 12.6 μg/m3 (51) 51.0
 
Nov. 18, 2019, 1 p.m. 30.0 ppb (28) 17.9 ppb (17) N/A 12.0 ppb (11) N/A N/A 3.0 ppb (2) N/A N/A 11.6 μg/m3 (48) 48.0
 
Nov. 18, 2019, noon 37.1 ppb (34) 23.0 ppb (21) N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) N/A N/A 12.9 μg/m3 (52) 52.0
 
Nov. 18, 2019, 11 a.m. 40.0 ppb (37) 24.1 ppb (22) N/A 16.0 ppb (15) N/A N/A 0.0 ppb (0) N/A N/A 13.7 μg/m3 (54) 54.0
 
Nov. 18, 2019, 10 a.m. 22.9 ppb (21) 9.1 ppb (8) N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) N/A N/A 14.2 μg/m3 (55) 55.0
 
Nov. 18, 2019, 9 a.m. 29.1 ppb (27) 15.4 ppb (14) N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) N/A N/A 14.9 μg/m3 (56) 56.0
 
Nov. 18, 2019, 8 a.m. 29.3 ppb (27) 13.9 ppb (13) N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) N/A N/A 15.1 μg/m3 (57) 57.0
 
Nov. 18, 2019, 7 a.m. 22.9 ppb (21) 7.4 ppb (7) N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) N/A N/A 15.1 μg/m3 (57) 57.0
 
Nov. 18, 2019, 6 a.m. 21.5 ppb (20) 6.7 ppb (6) N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) N/A N/A 13.6 μg/m3 (53) 53.0
 
Nov. 18, 2019, 5 a.m. 30.7 ppb (28) 17.3 ppb (16) N/A 13.0 ppb (12) N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (56) 56.0
 
Nov. 18, 2019, 4 a.m. 43.0 ppb (40) 28.4 ppb (26) N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) N/A N/A 15.8 μg/m3 (58) 58.0
 
Nov. 18, 2019, 3 a.m. 38.2 ppb (35) 23.8 ppb (22) N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) N/A N/A 10.9 μg/m3 (45) 45.0
 
Nov. 18, 2019, 1 a.m. 19.2 ppb (18) 9.2 ppb (9) N/A 10.0 ppb (9) N/A N/A 2.0 ppb (2) N/A N/A 11.2 μg/m3 (47) 47.0
 
Nov. 18, 2019, midnight 14.0 ppb (13) 5.3 ppb (5) N/A 9.0 ppb (8) N/A N/A 6.0 ppb (5) N/A N/A 7.2 μg/m3 (30) 30.0
 
Nov. 17, 2019, 11 p.m. 10.6 ppb (10) 4.0 ppb (4) N/A 7.0 ppb (6) N/A N/A 9.0 ppb (7) N/A N/A 6.3 μg/m3 (26) 26.0
 
Nov. 17, 2019, 10 p.m. 12.5 ppb (12) 4.6 ppb (4) N/A 8.0 ppb (7) N/A N/A 7.0 ppb (5) N/A N/A 5.9 μg/m3 (25) 25.0
 
Nov. 17, 2019, 9 p.m. 17.8 ppb (16) 9.5 ppb (9) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) N/A N/A 6.4 μg/m3 (27) 27.0
 
Nov. 17, 2019, 8 p.m. 8.8 ppb (8) 3.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 8.0 ppb (6) N/A N/A 5.9 μg/m3 (25) 25.0
 
Nov. 17, 2019, 7 p.m. 19.5 ppb (18) 11.4 ppb (11) N/A 8.0 ppb (7) N/A N/A 4.0 ppb (3) N/A N/A 8.3 μg/m3 (35) 35.0
 
Nov. 17, 2019, 6 p.m. 13.9 ppb (13) 7.9 ppb (7) N/A 6.0 ppb (6) N/A N/A 4.0 ppb (3) N/A N/A 8.5 μg/m3 (35) 35.0
 
Nov. 17, 2019, 5 p.m. 5.8 ppb (5) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 4.0 ppb (3) N/A N/A 10.1 μg/m3 (42) 42.0
 
Nov. 17, 2019, 4 p.m. 6.4 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 3.0 ppb (2) N/A N/A 12.4 μg/m3 (51) 51.0
 
Nov. 17, 2019, 3 p.m. 8.4 ppb (8) 3.1 ppb (3) N/A 5.0 ppb (5) N/A N/A 2.0 ppb (2) N/A N/A 15.9 μg/m3 (58) 58.0
 
Nov. 17, 2019, 2 p.m. 12.3 ppb (11) 5.6 ppb (5) N/A 7.0 ppb (6) N/A N/A 1.0 ppb (1) N/A N/A 19.7 μg/m3 (66) 66.0
 
Nov. 17, 2019, 1 p.m. 14.6 ppb (14) 8.2 ppb (8) N/A 6.0 ppb (6) N/A N/A 0.0 ppb (0) N/A N/A 16.7 μg/m3 (60) 60.0
 
Nov. 17, 2019, noon 10.6 ppb (10) 4.7 ppb (4) N/A 6.0 ppb (6) N/A N/A 1.0 ppb (1) N/A N/A 18.2 μg/m3 (63) 63.0
 
Nov. 17, 2019, 11 a.m. 15.7 ppb (15) 9.0 ppb (8) N/A 7.0 ppb (6) N/A N/A 0.0 ppb (0) N/A N/A 19.1 μg/m3 (65) 65.0
 
Nov. 17, 2019, 10 a.m. 22.7 ppb (21) 13.3 ppb (12) N/A 9.0 ppb (8) N/A N/A 0.0 ppb (0) N/A N/A 20.3 μg/m3 (68) 68.0
 
Nov. 17, 2019, 9 a.m. 14.8 ppb (14) 5.1 ppb (5) N/A 10.0 ppb (9) N/A N/A 1.0 ppb (1) N/A N/A 19.4 μg/m3 (66) 66.0
 
Nov. 17, 2019, 8 a.m. 19.4 ppb (18) 8.9 ppb (8) N/A 10.0 ppb (9) N/A N/A 1.0 ppb (1) N/A N/A 20.1 μg/m3 (67) 67.0
 
Nov. 17, 2019, 7 a.m. 12.7 ppb (12) 3.7 ppb (3) N/A 9.0 ppb (8) N/A N/A 1.0 ppb (1) N/A N/A 23.0 μg/m3 (73) 73.0
 
Nov. 17, 2019, 6 a.m. 19.1 ppb (18) 9.5 ppb (9) N/A 10.0 ppb (9) N/A N/A 0.0 ppb (0) N/A N/A 27.2 μg/m3 (82) 82.0
 
Nov. 17, 2019, 5 a.m. 31.1 ppb (29) 18.5 ppb (17) N/A 13.0 ppb (12) N/A N/A 0.0 ppb (0) N/A N/A 25.6 μg/m3 (79) 79.0
 
Nov. 17, 2019, 4 a.m. 33.6 ppb (31) 21.3 ppb (20) N/A 12.0 ppb (11) N/A N/A 1.0 ppb (1) N/A N/A 24.2 μg/m3 (76) 76.0
 
Nov. 17, 2019, 3 a.m. 16.3 ppb (15) 6.0 ppb (6) N/A 10.0 ppb (9) N/A N/A 2.0 ppb (2) N/A N/A 23.2 μg/m3 (74) 74.0
 
Nov. 17, 2019, 2 a.m. 13.1 ppb (12) 2.8 ppb (3) N/A 10.0 ppb (9) N/A N/A 4.0 ppb (3) N/A N/A 18.8 μg/m3 (64) 64.0
 
Nov. 17, 2019, 1 a.m. 15.4 ppb (14) 5.2 ppb (5) N/A 10.0 ppb (9) N/A N/A 6.0 ppb (5) N/A N/A 16.6 μg/m3 (60) 60.0
 
Nov. 17, 2019, midnight 9.3 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A 9.0 ppb (7) N/A N/A 13.6 μg/m3 (53) 53.0
 
Nov. 16, 2019, 11 p.m. 9.3 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 16, 2019, 10 p.m. 18.7 ppb (17) 8.4 ppb (8) N/A 10.0 ppb (9) N/A N/A 10.0 ppb (8) N/A N/A 12.6 μg/m3 (51) 51.0
 
Nov. 16, 2019, 9 p.m. 23.0 ppb (21) 13.0 ppb (12) N/A 10.0 ppb (9) N/A N/A 12.0 ppb (9) N/A N/A 9.2 μg/m3 (38) 38.0
 
Nov. 16, 2019, 8 p.m. 28.2 ppb (26) 16.9 ppb (16) N/A 11.0 ppb (10) N/A N/A 9.0 ppb (7) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 16, 2019, 7 p.m. 38.1 ppb (35) 25.9 ppb (24) N/A 12.0 ppb (11) N/A N/A 5.0 ppb (4) N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 16, 2019, 6 p.m. 40.2 ppb (37) 28.1 ppb (26) N/A 12.0 ppb (11) N/A N/A 2.0 ppb (2) N/A N/A 15.3 μg/m3 (57) 57.0
 
Nov. 16, 2019, 5 p.m. 42.7 ppb (40) 32.8 ppb (30) N/A 10.0 ppb (9) N/A N/A 1.0 ppb (1) N/A N/A 18.2 μg/m3 (63) 63.0
 
Nov. 16, 2019, 4 p.m. 46.9 ppb (43) 38.3 ppb (35) N/A 9.0 ppb (8) N/A N/A 1.0 ppb (1) N/A N/A 19.2 μg/m3 (65) 65.0
 
Nov. 16, 2019, 3 p.m. 43.4 ppb (40) 33.1 ppb (31) N/A 10.0 ppb (9) N/A N/A 0.0 ppb (0) N/A N/A 17.8 μg/m3 (62) 62.0
 
Nov. 16, 2019, 2 p.m. 31.5 ppb (29) 22.2 ppb (21) N/A 9.0 ppb (8) N/A N/A 0.0 ppb (0) N/A N/A 17.4 μg/m3 (61) 61.0
 
Nov. 16, 2019, 1 p.m. 26.5 ppb (25) 18.4 ppb (17) N/A 8.0 ppb (7) N/A N/A 0.0 ppb (0) N/A N/A 18.9 μg/m3 (65) 65.0
 
Nov. 16, 2019, noon 35.4 ppb (33) 26.7 ppb (25) N/A 9.0 ppb (8) N/A N/A 0.0 ppb (0) N/A N/A 17.4 μg/m3 (61) 61.0
 
Nov. 16, 2019, 11 a.m. 56.8 ppb (53) 46.8 ppb (43) N/A 10.0 ppb (9) N/A N/A 0.0 ppb (0) N/A N/A 16.2 μg/m3 (59) 59.0
 
Nov. 16, 2019, 10 a.m. 52.6 ppb (49) 44.1 ppb (41) N/A 9.0 ppb (8) N/A N/A 0.0 ppb (0) N/A N/A 16.9 μg/m3 (60) 60.0
 
Nov. 16, 2019, 9 a.m. 65.2 ppb (62) 53.1 ppb (49) N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) N/A N/A 21.5 μg/m3 (70) 70.0
 
Nov. 16, 2019, 8 a.m. 68.9 ppb (66) 56.2 ppb (52) N/A 13.0 ppb (12) N/A N/A 0.0 ppb (0) N/A N/A 20.3 μg/m3 (68) 68.0
 
Nov. 16, 2019, 7 a.m. 50.0 ppb (46) 42.2 ppb (39) N/A 8.0 ppb (7) N/A N/A 0.0 ppb (0) N/A N/A 19.9 μg/m3 (67) 67.0
 
Nov. 16, 2019, 6 a.m. 33.5 ppb (31) 26.2 ppb (24) N/A 7.0 ppb (6) N/A N/A 0.0 ppb (0) N/A N/A 18.7 μg/m3 (64) 64.0
 
Nov. 16, 2019, 5 a.m. 43.1 ppb (40) 32.7 ppb (30) N/A 10.0 ppb (9) N/A N/A 0.0 ppb (0) N/A N/A 15.7 μg/m3 (58) 58.0
 
Nov. 16, 2019, 4 a.m. 64.9 ppb (62) 51.5 ppb (48) N/A 13.0 ppb (12) N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (59) 62.0
 
Nov. 16, 2019, 3 a.m. 62.7 ppb (59) 46.9 ppb (43) N/A 16.0 ppb (15) N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (59) 59.0
 
Nov. 16, 2019, 2 a.m. 44.2 ppb (41) 29.5 ppb (27) N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) N/A N/A 13.8 μg/m3 (54) 54.0
 
Nov. 16, 2019, 1 a.m. 41.0 ppb (38) 22.7 ppb (21) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) N/A N/A 11.7 μg/m3 (49) 49.0
 
Nov. 16, 2019, midnight 59.9 ppb (56) 39.6 ppb (37) N/A 20.0 ppb (19) N/A N/A 2.0 ppb (2) N/A N/A 11.1 μg/m3 (46) 56.0
 
Nov. 15, 2019, 11 p.m. 39.7 ppb (37) 23.4 ppb (22) N/A 16.0 ppb (15) N/A N/A 6.0 ppb (5) N/A N/A 9.6 μg/m3 (40) 40.0
 
Nov. 15, 2019, 10 p.m. 48.5 ppb (45) 30.5 ppb (28) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (5) N/A N/A 8.8 μg/m3 (37) 45.0
 
Nov. 15, 2019, 9 p.m. 51.2 ppb (47) 31.8 ppb (29) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (4) N/A N/A 8.8 μg/m3 (37) 47.0
 
Nov. 15, 2019, 8 p.m. 43.7 ppb (40) 27.5 ppb (25) N/A 16.0 ppb (15) N/A N/A 6.0 ppb (5) N/A N/A 9.2 μg/m3 (38) 40.0
 
Nov. 15, 2019, 7 p.m. 48.3 ppb (45) 33.2 ppb (31) N/A 15.0 ppb (14) N/A N/A 4.0 ppb (3) N/A N/A 8.7 μg/m3 (36) 45.0
 
Nov. 15, 2019, 6 p.m. 44.5 ppb (41) 30.3 ppb (28) N/A 14.0 ppb (13) N/A N/A 4.0 ppb (3) N/A N/A 8.6 μg/m3 (36) 41.0
 
Nov. 15, 2019, 5 p.m. 34.5 ppb (32) 21.0 ppb (19) N/A 14.0 ppb (13) N/A N/A 3.0 ppb (2) N/A N/A 8.5 μg/m3 (35) 35.0
 
Nov. 15, 2019, 4 p.m. 40.2 ppb (37) 25.6 ppb (24) N/A 15.0 ppb (14) N/A N/A 2.0 ppb (2) N/A N/A 9.6 μg/m3 (40) 40.0
 
Nov. 15, 2019, 3 p.m. 13.9 ppb (13) 4.7 ppb (4) N/A 9.0 ppb (8) N/A N/A 2.0 ppb (2) N/A N/A 11.1 μg/m3 (46) 46.0
 
Nov. 15, 2019, 2 p.m. 11.5 ppb (11) 3.6 ppb (3) N/A 8.0 ppb (7) N/A N/A 3.0 ppb (2) N/A N/A 10.5 μg/m3 (44) 44.0
 
Nov. 15, 2019, 1 p.m. 15.4 ppb (14) 6.8 ppb (6) N/A 9.0 ppb (8) N/A N/A 1.0 ppb (1) N/A N/A 11.1 μg/m3 (46) 46.0
 
Nov. 15, 2019, noon 10.5 ppb (10) 2.8 ppb (3) N/A 8.0 ppb (7) N/A N/A 0.0 ppb (0) N/A N/A 10.8 μg/m3 (45) 45.0
 
Nov. 15, 2019, 11 a.m. 8.9 ppb (8) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 0.0 ppb (0) N/A N/A 11.2 μg/m3 (47) 47.0
 
Nov. 15, 2019, 10 a.m. 12.4 ppb (11) 4.3 ppb (4) N/A 8.0 ppb (7) N/A N/A 0.0 ppb (0) N/A N/A 13.5 μg/m3 (53) 53.0
 
Nov. 15, 2019, 9 a.m. 13.9 ppb (13) 5.8 ppb (5) N/A 8.0 ppb (7) N/A N/A 0.0 ppb (0) N/A N/A 16.6 μg/m3 (60) 60.0
 
Nov. 15, 2019, 8 a.m. 10.8 ppb (10) 4.3 ppb (4) N/A 7.0 ppb (6) N/A N/A 0.0 ppb (0) N/A N/A 16.9 μg/m3 (60) 60.0
 
Nov. 15, 2019, 7 a.m. 10.7 ppb (10) 4.2 ppb (4) N/A 7.0 ppb (6) N/A N/A 0.0 ppb (0) N/A N/A 16.2 μg/m3 (59) 59.0
 
Nov. 15, 2019, 6 a.m. 7.8 ppb (7) 2.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 0.0 ppb (0) N/A N/A 16.1 μg/m3 (59) 59.0
 
Nov. 15, 2019, 5 a.m. 11.4 ppb (11) 4.2 ppb (4) N/A 7.0 ppb (6) N/A N/A 1.0 ppb (1) N/A N/A 19.0 μg/m3 (65) 65.0
 
Nov. 15, 2019, 4 a.m. 27.0 ppb (25) 17.8 ppb (16) N/A 9.0 ppb (8) N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (65) 65.0
 
Nov. 15, 2019, 3 a.m. 25.9 ppb (24) 15.7 ppb (15) N/A 10.0 ppb (9) N/A N/A 0.0 ppb (0) N/A N/A 18.6 μg/m3 (64) 64.0
 
Nov. 15, 2019, 2 a.m. 23.9 ppb (22) 11.7 ppb (11) N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) N/A N/A 18.8 μg/m3 (64) 64.0
 
Nov. 15, 2019, 1 a.m. 16.7 ppb (15) 4.7 ppb (4) N/A 12.0 ppb (11) N/A N/A 1.0 ppb (1) N/A N/A 18.7 μg/m3 (64) 64.0
 
Nov. 15, 2019, midnight 21.7 ppb (20) 8.0 ppb (7) N/A 14.0 ppb (13) N/A N/A 3.0 ppb (2) N/A N/A 16.8 μg/m3 (60) 60.0
 
Nov. 14, 2019, 11 p.m. 14.5 ppb (13) 5.2 ppb (5) N/A 9.0 ppb (8) N/A N/A 12.0 ppb (9) N/A N/A 7.7 μg/m3 (32) 32.0
 
Nov. 14, 2019, 10 p.m. 5.9 ppb (5) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) N/A N/A 3.9 μg/m3 (16) 16.0
 
Nov. 14, 2019, 9 p.m. 14.0 ppb (13) 7.9 ppb (7) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 3.9 μg/m3 (16) 16.0
 
Nov. 14, 2019, 8 p.m. 8.2 ppb (8) 3.9 ppb (4) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) N/A N/A 3.6 μg/m3 (15) 15.0
 
Nov. 14, 2019, 7 p.m. 5.6 ppb (5) 2.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) N/A N/A 3.4 μg/m3 (14) 14.0
 
Nov. 14, 2019, 6 p.m. 10.3 ppb (10) 5.0 ppb (5) N/A 5.0 ppb (5) N/A N/A 13.0 ppb (10) N/A N/A 4.0 μg/m3 (17) 17.0
 
Nov. 14, 2019, 5 p.m. 117.7 ppb (103) 97.1 ppb (96) N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A 10.5 μg/m3 (44) 103.0
 
Nov. 14, 2019, 4 p.m. 117.3 ppb (103) 99.1 ppb (98) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) N/A N/A 10.5 μg/m3 (44) 103.0
 
Nov. 14, 2019, 3 p.m. 64.7 ppb (61) 52.4 ppb (49) N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) N/A N/A 10.3 μg/m3 (43) 61.0
 
Nov. 14, 2019, 2 p.m. 74.1 ppb (71) 61.7 ppb (58) N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) N/A N/A 10.4 μg/m3 (43) 71.0
 
Nov. 14, 2019, 1 p.m. 73.4 ppb (71) 61.5 ppb (58) N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) N/A N/A 11.5 μg/m3 (48) 71.0
 
Nov. 14, 2019, noon 55.7 ppb (52) 43.4 ppb (40) N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) N/A N/A 14.7 μg/m3 (56) 56.0
 
Nov. 14, 2019, 11 a.m. 28.7 ppb (27) 16.6 ppb (15) N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) N/A N/A 14.2 μg/m3 (55) 55.0
 
Nov. 14, 2019, 10 a.m. 30.8 ppb (29) 19.5 ppb (18) N/A 11.0 ppb (10) N/A N/A 0.0 ppb (0) N/A N/A 11.1 μg/m3 (46) 46.0
 
Nov. 14, 2019, 9 a.m. 34.7 ppb (32) 22.5 ppb (21) N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) N/A N/A 9.6 μg/m3 (40) 40.0
 
Nov. 14, 2019, 8 a.m. 41.8 ppb (39) 27.5 ppb (25) N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) N/A N/A 9.9 μg/m3 (41) 41.0
 
Nov. 14, 2019, 7 a.m. 41.3 ppb (38) 25.4 ppb (24) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) N/A N/A 8.7 μg/m3 (36) 38.0
 
Nov. 14, 2019, 6 a.m. 16.6 ppb (15) 6.0 ppb (6) N/A 11.0 ppb (10) N/A N/A 9.0 ppb (7) N/A N/A 7.8 μg/m3 (32) 32.0
 
Nov. 14, 2019, 5 a.m. 8.1 ppb (8) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A N/A 7.3 μg/m3 (30) 30.0
 
Nov. 14, 2019, 4 a.m. 3.7 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) N/A N/A 6.8 μg/m3 (28) 28.0
 
Nov. 14, 2019, 3 a.m. 4.7 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) N/A N/A 6.9 μg/m3 (29) 29.0
 
Nov. 14, 2019, 2 a.m. 5.1 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) N/A N/A 6.9 μg/m3 (29) 29.0
 
Nov. 14, 2019, 1 a.m. 6.1 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) N/A N/A 6.1 μg/m3 (25) 25.0
 
Nov. 14, 2019, midnight 22.5 ppb (21) 7.7 ppb (7) N/A 15.0 ppb (14) N/A N/A 5.0 ppb (4) N/A N/A 8.9 μg/m3 (37) 37.0
 
Nov. 13, 2019, 11 p.m. 31.4 ppb (29) 18.1 ppb (17) N/A 13.0 ppb (12) N/A N/A 6.0 ppb (5) N/A N/A 8.6 μg/m3 (36) 36.0
 
Nov. 13, 2019, 10 p.m. 20.6 ppb (19) 10.9 ppb (10) N/A 10.0 ppb (9) N/A N/A 10.0 ppb (8) 7.1 ppb (76) N/A N/A 76.0
 
Nov. 13, 2019, 4 p.m. 71.4 ppb (69) 55.0 ppb (51) N/A 17.0 ppb (16) N/A N/A 2.0 ppb (2) N/A N/A 6.5 μg/m3 (27) 69.0
 
Nov. 13, 2019, 3 p.m. 48.3 ppb (45) 32.7 ppb (30) N/A 16.0 ppb (15) N/A N/A 7.0 ppb (5) N/A N/A 5.6 μg/m3 (23) 45.0