ID: 2374

AQSQID: 410670005

Site Name: Portland Near Road

Added: April 21, 2020, 6:24 p.m.

Updated: Jan. 17, 2021, 12:31 p.m.

Location: Lake Oswego (Swest Bradbury Court), OR

Reporting: True, Located: True

Current AQI: 62.0

Lake Oswego (Swest Bradbury Court) OR, US: 45.39916, -122.7455

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 17, 2021, 11 a.m. 6.4 ppb (7) 1.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 4.0 ppb (4) 0.13 ppb (2) N/A 16.9 μg/m3 (62) 62.0
 
Jan. 17, 2021, 10 a.m. 7.6 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 5.0 ppb (5) 0.14 ppb (2) N/A 17.6 μg/m3 (63) 63.0
 
Jan. 17, 2021, 9 a.m. 6.8 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 5.0 ppb (5) 0.16 ppb (3) N/A 17.7 μg/m3 (63) 63.0
 
Jan. 17, 2021, 8 a.m. 6.9 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 5.0 ppb (5) 0.18 ppb (3) N/A 16.7 μg/m3 (61) 61.0
 
Jan. 17, 2021, 7 a.m. 12.2 ppb (12) 3.5 ppb (4) N/A 9.0 ppb (9) N/A N/A 4.0 ppb (4) 0.22 ppb (3) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 17, 2021, 6 a.m. 13.5 ppb (13) 4.9 ppb (5) N/A 9.0 ppb (9) N/A N/A 3.0 ppb (3) 0.2 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 17, 2021, 5 a.m. 13.4 ppb (13) 5.2 ppb (5) N/A 8.0 ppb (8) N/A N/A 1.0 ppb (1) 0.27 ppb (4) N/A 18.5 μg/m3 (65) 65.0
 
Jan. 17, 2021, 4 a.m. 17.7 ppb (17) 9.8 ppb (10) N/A 8.0 ppb (8) N/A N/A 1.0 ppb (1) 0.61 ppb (7) N/A 19.5 μg/m3 (67) 67.0
 
Jan. 17, 2021, 3 a.m. 15.6 ppb (15) 6.9 ppb (7) N/A 9.0 ppb (9) N/A N/A 1.0 ppb (1) 0.27 ppb (4) N/A 14.3 μg/m3 (56) 56.0
 
Jan. 17, 2021, 2 a.m. 22.0 ppb (21) 11.5 ppb (11) N/A 11.0 ppb (11) N/A N/A 3.0 ppb (3) 0.34 ppb (4) N/A 10.5 μg/m3 (44) 44.0
 
Jan. 17, 2021, 1 a.m. 6.7 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 7.0 ppb (7) 0.14 ppb (2) N/A 8.7 μg/m3 (37) 37.0
 
Jan. 17, 2021, midnight 6.6 ppb (7) 1.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 9.0 ppb (9) 0.14 ppb (2) N/A 10.1 μg/m3 (43) 43.0
 
Jan. 16, 2021, 11 p.m. 13.3 ppb (13) 5.5 ppb (6) N/A 8.0 ppb (8) N/A N/A 9.0 ppb (9) 0.21 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 16, 2021, 10 p.m. 27.3 ppb (26) 16.0 ppb (16) N/A 12.0 ppb (12) N/A N/A 10.0 ppb (10) 0.37 ppb (5) N/A 6.7 μg/m3 (28) 28.0
 
Jan. 16, 2021, 9 p.m. 27.0 ppb (26) 17.9 ppb (17) N/A 9.0 ppb (9) N/A N/A 11.0 ppb (11) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 16, 2021, 8 p.m. 29.1 ppb (28) 20.5 ppb (20) N/A 9.0 ppb (9) N/A N/A 11.0 ppb (11) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 28.0
 
Jan. 16, 2021, 7 p.m. 8.1 ppb (8) 4.5 ppb (5) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (14) 0.09 ppb (2) N/A 4.6 μg/m3 (20) 20.0
 
Jan. 16, 2021, 6 p.m. 14.5 ppb (14) 9.0 ppb (9) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (13) 0.19 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2021, 5 p.m. 7.6 ppb (8) 2.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (11) 0.09 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2021, 4 p.m. 8.8 ppb (9) 1.6 ppb (2) N/A 7.0 ppb (7) N/A N/A 7.0 ppb (7) 0.09 ppb (2) N/A 6.2 μg/m3 (26) 26.0
 
Jan. 16, 2021, 3 p.m. 10.4 ppb (10) 2.2 ppb (3) N/A 8.0 ppb (8) N/A N/A 4.0 ppb (4) 0.1 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 16, 2021, 2 p.m. 8.2 ppb (8) 1.3 ppb (2) N/A 7.0 ppb (7) N/A N/A 11.0 ppb (11) 0.08 ppb (2) N/A 5.1 μg/m3 (22) 22.0
 
Jan. 16, 2021, 1 p.m. 6.8 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 7.0 ppb (7) 0.08 ppb (2) N/A 6.1 μg/m3 (26) 26.0
 
Jan. 16, 2021, noon 4.7 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 11.0 ppb (11) 0.07 ppb (2) N/A 6.2 μg/m3 (26) 26.0
 
Jan. 16, 2021, 11 a.m. 6.7 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 8.0 ppb (8) 0.11 ppb (2) N/A 7.4 μg/m3 (31) 31.0
 
Jan. 16, 2021, 10 a.m. 13.0 ppb (13) 2.6 ppb (3) N/A 10.0 ppb (10) N/A N/A 12.0 ppb (12) 0.12 ppb (2) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 16, 2021, 9 a.m. 11.7 ppb (12) 3.8 ppb (4) N/A 8.0 ppb (8) N/A N/A 15.0 ppb (14) 0.12 ppb (2) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 16, 2021, 8 a.m. 16.2 ppb (16) 4.8 ppb (5) N/A 11.0 ppb (11) N/A N/A 11.0 ppb (11) 0.2 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
Jan. 16, 2021, 7 a.m. 21.5 ppb (21) 6.7 ppb (7) N/A 15.0 ppb (15) N/A N/A 9.0 ppb (9) 0.21 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
Jan. 16, 2021, 6 a.m. 42.7 ppb (41) 26.0 ppb (25) N/A 17.0 ppb (17) N/A N/A 4.0 ppb (4) 0.4 ppb (5) N/A 14.8 μg/m3 (57) 57.0
 
Jan. 16, 2021, 5 a.m. 70.5 ppb (69) 53.9 ppb (51) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) 0.76 ppb (10) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 16, 2021, 4 a.m. 83.2 ppb (83) 64.8 ppb (63) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 0.8 ppb (10) N/A 21.2 μg/m3 (71) 83.0
 
Jan. 16, 2021, 3 a.m. 74.9 ppb (74) 55.5 ppb (53) N/A 21.0 ppb (20) N/A N/A 1.0 ppb (1) 0.57 ppb (7) N/A 16.4 μg/m3 (61) 74.0
 
Jan. 16, 2021, 2 a.m. 23.1 ppb (22) 7.6 ppb (8) N/A 15.0 ppb (15) N/A N/A 6.0 ppb (6) 0.29 ppb (4) N/A 10.7 μg/m3 (45) 45.0
 
Jan. 16, 2021, 1 a.m. 27.8 ppb (27) 8.8 ppb (9) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (3) 0.21 ppb (3) N/A 11.6 μg/m3 (49) 49.0
 
Jan. 16, 2021, midnight 27.6 ppb (27) 8.7 ppb (9) N/A 19.0 ppb (18) N/A N/A 2.0 ppb (2) 0.2 ppb (3) N/A 10.7 μg/m3 (45) 45.0
 
Jan. 15, 2021, 11 p.m. 30.9 ppb (30) 14.1 ppb (14) N/A 17.0 ppb (17) N/A N/A 2.0 ppb (2) 0.23 ppb (3) N/A 13.8 μg/m3 (55) 55.0
 
Jan. 15, 2021, 10 p.m. 67.8 ppb (66) 49.2 ppb (47) N/A 19.0 ppb (18) N/A N/A 2.0 ppb (2) 0.41 ppb (5) N/A 16.0 μg/m3 (60) 66.0
 
Jan. 15, 2021, 9 p.m. 65.7 ppb (64) 50.1 ppb (48) N/A 16.0 ppb (16) N/A N/A 2.0 ppb (2) 0.45 ppb (6) N/A 14.8 μg/m3 (57) 64.0
 
Jan. 15, 2021, 8 p.m. 58.5 ppb (56) 45.2 ppb (43) N/A 14.0 ppb (14) N/A N/A 3.0 ppb (3) N/A N/A 13.9 μg/m3 (55) 56.0
 
Jan. 15, 2021, 7 p.m. 67.5 ppb (66) 52.5 ppb (50) N/A 16.0 ppb (16) N/A N/A 2.0 ppb (2) 0.38 ppb (5) N/A 12.2 μg/m3 (52) 66.0
 
Jan. 15, 2021, 6 p.m. 82.6 ppb (82) 62.0 ppb (60) N/A 22.0 ppb (21) N/A N/A 2.0 ppb (2) 0.34 ppb (4) N/A 11.4 μg/m3 (48) 82.0
 
Jan. 15, 2021, 5 p.m. 42.7 ppb (41) 25.7 ppb (25) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (3) 0.2 ppb (3) N/A 9.9 μg/m3 (42) 42.0
 
Jan. 15, 2021, 4 p.m. 19.0 ppb (18) 4.9 ppb (5) N/A 14.0 ppb (14) N/A N/A 3.0 ppb (3) 0.11 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 15, 2021, 3 p.m. 18.4 ppb (18) 7.0 ppb (7) N/A 11.0 ppb (11) N/A N/A 3.0 ppb (3) 0.13 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
Jan. 15, 2021, 2 p.m. 28.5 ppb (27) 15.3 ppb (15) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) 0.18 ppb (3) N/A 6.0 μg/m3 (25) 27.0
 
Jan. 15, 2021, 1 p.m. 48.7 ppb (46) 32.9 ppb (32) N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 0.28 ppb (4) N/A 7.5 μg/m3 (32) 46.0
 
Jan. 15, 2021, noon 41.1 ppb (39) 27.1 ppb (26) N/A 14.0 ppb (14) N/A N/A 2.0 ppb (2) 0.18 ppb (3) N/A 7.6 μg/m3 (32) 39.0
 
Jan. 15, 2021, 11 a.m. 14.5 ppb (14) 3.1 ppb (3) N/A 11.0 ppb (11) N/A N/A 4.0 ppb (4) 0.14 ppb (2) N/A 8.4 μg/m3 (36) 36.0
 
Jan. 15, 2021, 10 a.m. 12.1 ppb (12) 0.5 ppb (1) N/A 12.0 ppb (12) N/A N/A 5.0 ppb (5) 0.13 ppb (2) N/A 8.4 μg/m3 (36) 36.0
 
Jan. 15, 2021, 9 a.m. 10.3 ppb (10) 0.4 ppb (1) N/A 10.0 ppb (10) N/A N/A 8.0 ppb (8) 0.11 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 15, 2021, 8 a.m. 15.3 ppb (15) 4.3 ppb (5) N/A 11.0 ppb (11) N/A N/A 5.0 ppb (5) 0.19 ppb (3) N/A 11.6 μg/m3 (49) 49.0
 
Jan. 15, 2021, 7 a.m. 37.4 ppb (36) 23.7 ppb (23) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) 0.36 ppb (5) N/A 16.7 μg/m3 (61) 61.0
 
Jan. 15, 2021, 6 a.m. 47.1 ppb (45) 31.6 ppb (30) N/A 16.0 ppb (16) N/A N/A 1.0 ppb (1) 0.38 ppb (5) N/A 13.9 μg/m3 (55) 55.0
 
Jan. 15, 2021, 5 a.m. 46.1 ppb (44) 29.3 ppb (28) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.41 ppb (5) N/A 13.1 μg/m3 (54) 54.0
 
Jan. 15, 2021, 4 a.m. 24.0 ppb (23) 8.9 ppb (9) N/A 15.0 ppb (15) N/A N/A 1.0 ppb (1) 0.31 ppb (4) N/A 13.7 μg/m3 (55) 55.0
 
Jan. 15, 2021, 3 a.m. 24.0 ppb (23) 8.2 ppb (8) N/A 16.0 ppb (16) N/A N/A 1.0 ppb (1) 0.24 ppb (3) N/A 13.2 μg/m3 (54) 54.0
 
Jan. 15, 2021, 2 a.m. 42.4 ppb (40) 23.5 ppb (23) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 0.41 ppb (5) N/A 11.5 μg/m3 (48) 48.0
 
Jan. 15, 2021, 1 a.m. 20.1 ppb (19) 5.7 ppb (6) N/A 14.0 ppb (14) N/A N/A 6.0 ppb (6) 0.21 ppb (3) N/A 9.9 μg/m3 (42) 42.0
 
Jan. 15, 2021, midnight 21.9 ppb (21) 7.0 ppb (7) N/A 15.0 ppb (15) N/A N/A 7.0 ppb (7) N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 14, 2021, 11 p.m. 44.1 ppb (42) 25.1 ppb (24) N/A 19.0 ppb (18) N/A N/A 8.0 ppb (8) 0.28 ppb (4) N/A 5.6 μg/m3 (24) 42.0
 
Jan. 14, 2021, 10 p.m. 43.0 ppb (41) 27.7 ppb (27) N/A 15.0 ppb (15) N/A N/A 10.0 ppb (10) 0.27 ppb (4) N/A 5.0 μg/m3 (21) 41.0
 
Jan. 14, 2021, 9 p.m. 20.0 ppb (19) 11.8 ppb (12) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) N/A N/A 3.5 μg/m3 (15) 22.0
 
Jan. 14, 2021, 8 p.m. 19.3 ppb (19) 10.5 ppb (10) N/A 9.0 ppb (9) N/A N/A 21.0 ppb (20) N/A N/A 4.0 μg/m3 (17) 20.0
 
Jan. 14, 2021, 7 p.m. 50.9 ppb (49) 35.7 ppb (34) N/A 16.0 ppb (16) N/A N/A 10.0 ppb (10) 0.32 ppb (4) N/A 6.7 μg/m3 (28) 49.0
 
Jan. 14, 2021, 6 p.m. 71.2 ppb (70) 53.8 ppb (51) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (4) 0.31 ppb (4) N/A 8.2 μg/m3 (35) 70.0
 
Jan. 14, 2021, 5 p.m. 68.2 ppb (67) 56.1 ppb (54) N/A 14.0 ppb (14) N/A N/A 2.0 ppb (2) 0.4 ppb (5) N/A 10.6 μg/m3 (45) 67.0
 
Jan. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 13.2 μg/m3 (54) 54.0
 
Jan. 14, 2021, 3 p.m. 89.7 ppb (90) 74.7 ppb (74) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.39 ppb (5) N/A 9.4 μg/m3 (40) 90.0
 
Jan. 14, 2021, 2 p.m. 93.1 ppb (93) 75.3 ppb (74) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 0.38 ppb (5) N/A 7.6 μg/m3 (32) 93.0
 
Jan. 14, 2021, 1 p.m. 77.7 ppb (77) 59.7 ppb (58) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 0.31 ppb (4) N/A 6.4 μg/m3 (27) 77.0
 
Jan. 14, 2021, noon 56.8 ppb (54) 39.0 ppb (37) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) 0.23 ppb (3) N/A 6.7 μg/m3 (28) 54.0
 
Jan. 14, 2021, 11 a.m. 36.7 ppb (35) 19.5 ppb (19) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.12 ppb (2) N/A 7.0 μg/m3 (30) 35.0
 
Jan. 14, 2021, 10 a.m. 30.2 ppb (29) 13.8 ppb (14) N/A 17.0 ppb (17) N/A N/A 5.0 ppb (5) 0.12 ppb (2) N/A 6.2 μg/m3 (26) 29.0
 
Jan. 14, 2021, 9 a.m. 16.0 ppb (16) 4.6 ppb (5) N/A 11.0 ppb (11) N/A N/A 11.0 ppb (11) 0.07 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2021, 8 a.m. 28.8 ppb (28) 9.5 ppb (9) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (3) 0.22 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
Jan. 14, 2021, 7 a.m. 25.5 ppb (25) 7.9 ppb (8) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (7) 0.11 ppb (2) N/A 7.4 μg/m3 (31) 31.0
 
Jan. 14, 2021, 6 a.m. 10.2 ppb (10) 0.9 ppb (1) N/A 9.0 ppb (9) N/A N/A 16.0 ppb (15) 0.08 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
Jan. 14, 2021, 5 a.m. 39.8 ppb (38) 20.3 ppb (20) N/A 20.0 ppb (19) N/A N/A 6.0 ppb (6) 0.37 ppb (5) N/A 11.7 μg/m3 (49) 49.0
 
Jan. 14, 2021, 4 a.m. 58.1 ppb (56) 35.9 ppb (34) N/A 23.0 ppb (22) N/A N/A 1.0 ppb (1) 0.62 ppb (7) N/A 13.6 μg/m3 (55) 56.0
 
Jan. 14, 2021, 3 a.m. 21.7 ppb (21) 5.3 ppb (5) N/A 16.0 ppb (16) N/A N/A 6.0 ppb (6) 0.27 ppb (4) N/A 9.4 μg/m3 (40) 40.0
 
Jan. 14, 2021, 2 a.m. 19.4 ppb (19) 4.9 ppb (5) N/A 14.0 ppb (14) N/A N/A 5.0 ppb (5) 0.29 ppb (4) N/A 9.3 μg/m3 (39) 39.0
 
Jan. 14, 2021, 1 a.m. 28.5 ppb (27) 9.4 ppb (9) N/A 19.0 ppb (18) N/A N/A 2.0 ppb (2) 0.4 ppb (5) N/A 10.7 μg/m3 (45) 45.0
 
Jan. 14, 2021, midnight 24.4 ppb (24) 6.2 ppb (6) N/A 18.0 ppb (17) N/A N/A 9.0 ppb (9) 0.25 ppb (3) N/A 5.6 μg/m3 (24) 24.0
 
Jan. 13, 2021, 11 p.m. 61.5 ppb (59) 36.1 ppb (35) N/A 26.0 ppb (25) N/A N/A 15.0 ppb (14) 0.39 ppb (5) N/A 5.3 μg/m3 (23) 59.0
 
Jan. 13, 2021, 10 p.m. 40.7 ppb (39) 23.8 ppb (23) N/A 17.0 ppb (17) N/A N/A 22.0 ppb (21) 0.33 ppb (4) N/A 4.9 μg/m3 (21) 39.0
 
Jan. 13, 2021, 9 p.m. 31.8 ppb (30) 18.1 ppb (18) N/A 14.0 ppb (14) N/A N/A 25.0 ppb (24) 0.27 ppb (4) N/A 5.1 μg/m3 (22) 30.0
 
Jan. 13, 2021, 8 p.m. 23.5 ppb (23) 13.8 ppb (14) N/A 10.0 ppb (10) N/A N/A 23.0 ppb (22) 0.7 ppb (8) N/A 5.7 μg/m3 (24) 24.0
 
Jan. 13, 2021, 4 a.m. 6.5 ppb (7) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (23) 0.06 ppb (2) N/A 2.1 μg/m3 (9) 23.0
 
Jan. 13, 2021, 3 a.m. 7.4 ppb (7) 2.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) 0.06 ppb (2) N/A 2.2 μg/m3 (10) 22.0
 
Jan. 13, 2021, 2 a.m. 7.1 ppb (7) 2.3 ppb (3) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) 0.06 ppb (2) N/A 2.4 μg/m3 (10) 22.0
 
Jan. 13, 2021, 1 a.m. 4.1 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) 0.05 ppb (2) N/A 2.2 μg/m3 (10) 24.0
 
Jan. 13, 2021, midnight 3.6 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) 0.07 ppb (2) N/A 2.3 μg/m3 (10) 24.0
 
Jan. 12, 2021, 11 p.m. 4.3 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) 0.06 ppb (2) N/A 2.3 μg/m3 (10) 24.0
 
Jan. 12, 2021, 10 p.m. 5.4 ppb (6) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) 0.07 ppb (2) N/A 2.4 μg/m3 (10) 24.0
 
Jan. 12, 2021, 9 p.m. 7.2 ppb (7) 2.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) 0.07 ppb (2) N/A 2.6 μg/m3 (11) 22.0
 
Jan. 12, 2021, 8 p.m. 7.5 ppb (8) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) 0.08 ppb (2) N/A 2.5 μg/m3 (11) 22.0
 
Jan. 12, 2021, 7 p.m. 8.1 ppb (8) 2.4 ppb (3) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (22) 0.07 ppb (2) N/A 2.5 μg/m3 (11) 22.0
 
Jan. 12, 2021, 6 p.m. 23.9 ppb (23) 10.9 ppb (11) N/A 13.0 ppb (13) N/A N/A 16.0 ppb (15) 0.1 ppb (2) N/A 3.1 μg/m3 (13) 23.0
 
Jan. 12, 2021, 5 p.m. 22.6 ppb (22) 9.5 ppb (9) N/A 13.0 ppb (13) N/A N/A 17.0 ppb (16) 0.1 ppb (2) N/A 2.6 μg/m3 (11) 22.0
 
Jan. 12, 2021, 4 p.m. 16.4 ppb (16) 6.6 ppb (7) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.09 ppb (2) N/A 2.5 μg/m3 (11) 19.0
 
Jan. 12, 2021, 3 p.m. 11.7 ppb (12) 4.2 ppb (4) N/A 7.0 ppb (7) N/A N/A 22.0 ppb (21) 0.09 ppb (2) N/A 2.2 μg/m3 (10) 21.0
 
Jan. 12, 2021, 2 p.m. 6.3 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (25) 0.06 ppb (2) N/A 2.3 μg/m3 (10) 25.0
 
Jan. 12, 2021, 1 p.m. 4.4 ppb (5) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) 0.06 ppb (2) N/A 2.2 μg/m3 (10) 25.0
 
Jan. 12, 2021, noon 3.3 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) 0.05 ppb (2) N/A 2.0 μg/m3 (9) 26.0
 
Jan. 12, 2021, 11 a.m. 3.5 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.04 ppb (0) N/A 2.0 μg/m3 (9) 27.0
 
Jan. 12, 2021, 10 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) 0.04 ppb (0) N/A 2.0 μg/m3 (9) 29.0
 
Jan. 12, 2021, 9 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) 0.07 ppb (2) N/A 2.1 μg/m3 (9) 29.0
 
Jan. 12, 2021, 8 a.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) 0.05 ppb (2) N/A 2.5 μg/m3 (11) 28.0
 
Jan. 12, 2021, 7 a.m. 10.6 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (10) N/A N/A 13.0 ppb (13) 0.17 ppb (3) N/A 7.5 μg/m3 (32) 32.0
 
Jan. 12, 2021, 6 a.m. 13.9 ppb (14) 1.3 ppb (2) N/A 12.0 ppb (12) N/A N/A 7.0 ppb (7) 0.23 ppb (3) N/A 8.5 μg/m3 (36) 36.0
 
Jan. 12, 2021, 5 a.m. 11.9 ppb (12) 0.5 ppb (1) N/A 11.0 ppb (11) N/A N/A 12.0 ppb (12) 0.2 ppb (3) N/A 7.2 μg/m3 (31) 31.0
 
Jan. 12, 2021, 4 a.m. 17.6 ppb (17) 2.6 ppb (3) N/A 15.0 ppb (15) N/A N/A 10.0 ppb (10) 0.2 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
Jan. 12, 2021, 3 a.m. 20.6 ppb (20) 5.6 ppb (6) N/A 15.0 ppb (15) N/A N/A 5.0 ppb (5) 0.25 ppb (3) N/A 8.4 μg/m3 (36) 36.0
 
Jan. 12, 2021, 2 a.m. 21.8 ppb (21) 8.3 ppb (8) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) 0.29 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 12, 2021, 1 a.m. 41.5 ppb (40) 26.7 ppb (26) N/A 15.0 ppb (15) N/A N/A 0.0 ppb (0) 0.49 ppb (6) N/A 8.1 μg/m3 (34) 40.0
 
Jan. 12, 2021, midnight 33.7 ppb (32) 19.6 ppb (19) N/A 14.0 ppb (14) N/A N/A 2.0 ppb (2) 0.33 ppb (4) N/A 6.3 μg/m3 (27) 32.0
 
Jan. 11, 2021, 11 p.m. 21.8 ppb (21) 9.0 ppb (9) N/A 13.0 ppb (13) N/A N/A 3.0 ppb (3) 0.29 ppb (4) N/A 6.2 μg/m3 (26) 26.0
 
Jan. 11, 2021, 10 p.m. 34.3 ppb (33) 21.4 ppb (21) N/A 13.0 ppb (13) N/A N/A 2.0 ppb (2) 0.32 ppb (4) N/A 6.8 μg/m3 (29) 33.0
 
Jan. 11, 2021, 9 p.m. 30.8 ppb (30) 18.5 ppb (18) N/A 12.0 ppb (12) N/A N/A 2.0 ppb (2) 0.32 ppb (4) N/A 6.8 μg/m3 (29) 30.0
 
Jan. 11, 2021, 8 p.m. 28.7 ppb (28) 17.9 ppb (17) N/A 11.0 ppb (11) N/A N/A 2.0 ppb (2) 0.31 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
Jan. 11, 2021, 7 p.m. 29.0 ppb (28) 20.0 ppb (19) N/A 10.0 ppb (10) N/A N/A 2.0 ppb (2) N/A N/A 6.5 μg/m3 (28) 28.0
 
Jan. 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.3 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
Jan. 11, 2021, 5 p.m. 39.2 ppb (37) 29.4 ppb (28) N/A 10.0 ppb (10) N/A N/A 1.0 ppb (1) 0.31 ppb (4) N/A 7.4 μg/m3 (31) 37.0
 
Jan. 11, 2021, 4 p.m. 57.6 ppb (55) 47.6 ppb (45) N/A 12.0 ppb (12) N/A N/A 0.0 ppb (0) 0.4 ppb (5) N/A 8.1 μg/m3 (34) 55.0
 
Jan. 11, 2021, 3 p.m. 44.5 ppb (42) 35.5 ppb (34) N/A 10.0 ppb (10) N/A N/A 0.0 ppb (0) 0.41 ppb (5) N/A 8.1 μg/m3 (34) 42.0
 
Jan. 11, 2021, 2 p.m. 30.8 ppb (30) 21.6 ppb (21) N/A 10.0 ppb (10) N/A N/A 1.0 ppb (1) 0.33 ppb (4) N/A 7.3 μg/m3 (31) 31.0
 
Jan. 11, 2021, 1 p.m. 17.2 ppb (17) 9.5 ppb (9) N/A 8.0 ppb (8) N/A N/A 1.0 ppb (1) 0.23 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 11, 2021, noon 16.7 ppb (16) 10.2 ppb (10) N/A 7.0 ppb (7) N/A N/A 1.0 ppb (1) 0.27 ppb (4) N/A 9.6 μg/m3 (40) 40.0
 
Jan. 11, 2021, 11 a.m. 15.2 ppb (15) 8.9 ppb (9) N/A 7.0 ppb (7) N/A N/A 0.0 ppb (0) 0.26 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2021, 10 a.m. 17.8 ppb (17) 9.7 ppb (10) N/A 8.0 ppb (8) N/A N/A 1.0 ppb (1) 0.25 ppb (3) N/A 9.2 μg/m3 (39) 39.0
 
Jan. 11, 2021, 9 a.m. 17.4 ppb (17) 8.6 ppb (9) N/A 9.0 ppb (9) N/A N/A 1.0 ppb (1) 0.23 ppb (3) N/A 8.4 μg/m3 (36) 36.0
 
Jan. 11, 2021, 8 a.m. 9.5 ppb (9) 1.3 ppb (2) N/A 8.0 ppb (8) N/A N/A 3.0 ppb (3) 0.28 ppb (4) N/A 8.7 μg/m3 (37) 37.0
 
Jan. 11, 2021, 7 a.m. 10.6 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (10) N/A N/A 3.0 ppb (3) 0.26 ppb (4) N/A 10.7 μg/m3 (45) 45.0
 
Jan. 11, 2021, 6 a.m. 12.8 ppb (13) 1.3 ppb (2) N/A 12.0 ppb (12) N/A N/A 3.0 ppb (3) 0.27 ppb (4) N/A 13.1 μg/m3 (54) 54.0
 
Jan. 11, 2021, 5 a.m. 13.8 ppb (14) 1.6 ppb (2) N/A 12.0 ppb (12) N/A N/A 3.0 ppb (3) 0.32 ppb (4) N/A 14.6 μg/m3 (57) 57.0
 
Jan. 11, 2021, 4 a.m. 14.8 ppb (14) 2.7 ppb (3) N/A 12.0 ppb (12) N/A N/A 3.0 ppb (3) 0.31 ppb (4) N/A 12.8 μg/m3 (53) 53.0
 
Jan. 11, 2021, 3 a.m. 13.9 ppb (14) 2.3 ppb (3) N/A 12.0 ppb (12) N/A N/A 3.0 ppb (3) 0.37 ppb (5) N/A 16.2 μg/m3 (60) 60.0
 
Jan. 11, 2021, 2 a.m. 33.0 ppb (32) 17.2 ppb (17) N/A 16.0 ppb (16) N/A N/A 1.0 ppb (1) 0.44 ppb (5) N/A 14.4 μg/m3 (56) 56.0
 
Jan. 11, 2021, 1 a.m. 43.9 ppb (42) 27.3 ppb (26) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.47 ppb (6) N/A 11.9 μg/m3 (50) 50.0
 
Jan. 11, 2021, midnight 14.8 ppb (14) 5.5 ppb (6) N/A 9.0 ppb (9) N/A N/A 8.0 ppb (8) 0.23 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 10, 2021, 11 p.m. 9.1 ppb (9) 1.7 ppb (2) N/A 7.0 ppb (7) N/A N/A 9.0 ppb (9) 0.19 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
Jan. 10, 2021, 10 p.m. 8.2 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 11.0 ppb (11) 0.17 ppb (3) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 10, 2021, 9 p.m. 6.5 ppb (7) 1.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (13) 0.14 ppb (2) N/A 4.1 μg/m3 (18) 18.0
 
Jan. 10, 2021, 8 p.m. 18.2 ppb (18) 10.4 ppb (10) N/A 8.0 ppb (8) N/A N/A 10.0 ppb (10) 0.24 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
Jan. 10, 2021, 7 p.m. 13.8 ppb (14) 7.5 ppb (8) N/A 6.0 ppb (6) N/A N/A 11.0 ppb (11) 0.26 ppb (4) N/A 4.2 μg/m3 (18) 18.0
 
Jan. 10, 2021, 6 p.m. 8.1 ppb (8) 2.2 ppb (3) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (10) 0.14 ppb (2) N/A 4.5 μg/m3 (19) 19.0
 
Jan. 10, 2021, 5 p.m. 7.4 ppb (7) 1.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (10) 0.13 ppb (2) N/A 4.8 μg/m3 (20) 20.0
 
Jan. 10, 2021, 4 p.m. 6.8 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 9.0 ppb (9) 0.13 ppb (2) N/A 3.8 μg/m3 (16) 16.0
 
Jan. 10, 2021, 3 p.m. 5.6 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 10.0 ppb (10) 0.13 ppb (2) N/A 3.4 μg/m3 (15) 15.0
 
Jan. 10, 2021, 2 p.m. 5.6 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 9.0 ppb (9) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 10, 2021, 1 p.m. 6.3 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 8.0 ppb (8) 0.16 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
Jan. 10, 2021, noon 14.0 ppb (14) 4.9 ppb (5) N/A 9.0 ppb (9) N/A N/A 3.0 ppb (3) 0.24 ppb (3) N/A 8.4 μg/m3 (36) 36.0
 
Jan. 10, 2021, 11 a.m. 11.0 ppb (11) 3.5 ppb (4) N/A 7.0 ppb (7) N/A N/A 3.0 ppb (3) 0.22 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
Jan. 10, 2021, 10 a.m. 7.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 5.0 ppb (5) 0.21 ppb (3) N/A 9.3 μg/m3 (39) 39.0
 
Jan. 10, 2021, 9 a.m. 9.9 ppb (10) 2.3 ppb (3) N/A 8.0 ppb (8) N/A N/A 5.0 ppb (5) 0.21 ppb (3) N/A 10.8 μg/m3 (46) 46.0
 
Jan. 10, 2021, 8 a.m. 11.6 ppb (11) 2.7 ppb (3) N/A 9.0 ppb (9) N/A N/A 5.0 ppb (5) 0.24 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 10, 2021, 7 a.m. 17.3 ppb (17) 6.8 ppb (7) N/A 10.0 ppb (10) N/A N/A 2.0 ppb (2) 0.31 ppb (4) N/A 13.3 μg/m3 (54) 54.0
 
Jan. 10, 2021, 6 a.m. 19.0 ppb (18) 8.8 ppb (9) N/A 10.0 ppb (10) N/A N/A 2.0 ppb (2) 0.32 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 10, 2021, 5 a.m. 15.7 ppb (15) 5.6 ppb (6) N/A 10.0 ppb (10) N/A N/A 2.0 ppb (2) 0.34 ppb (4) N/A 16.5 μg/m3 (61) 61.0
 
Jan. 10, 2021, 4 a.m. 12.0 ppb (12) 2.5 ppb (3) N/A 9.0 ppb (9) N/A N/A 3.0 ppb (3) 0.27 ppb (4) N/A 16.9 μg/m3 (62) 62.0
 
Jan. 10, 2021, 3 a.m. 21.4 ppb (21) 9.8 ppb (10) N/A 12.0 ppb (12) N/A N/A 1.0 ppb (1) 0.33 ppb (4) N/A 15.6 μg/m3 (59) 59.0
 
Jan. 10, 2021, 2 a.m. 12.7 ppb (12) 2.3 ppb (3) N/A 10.0 ppb (10) N/A N/A 3.0 ppb (3) 0.25 ppb (3) N/A 13.9 μg/m3 (55) 55.0
 
Jan. 10, 2021, 1 a.m. 17.2 ppb (17) 6.3 ppb (6) N/A 11.0 ppb (11) N/A N/A 3.0 ppb (3) 0.32 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 10, 2021, midnight 15.3 ppb (15) 5.5 ppb (6) N/A 10.0 ppb (10) N/A N/A 4.0 ppb (4) 0.27 ppb (4) N/A 10.7 μg/m3 (45) 45.0
 
Jan. 9, 2021, 11 p.m. 21.0 ppb (20) 11.3 ppb (11) N/A 10.0 ppb (10) N/A N/A 5.0 ppb (5) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 9, 2021, 10 p.m. 32.9 ppb (32) 21.2 ppb (20) N/A 12.0 ppb (12) N/A N/A 6.0 ppb (6) 0.42 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 9, 2021, 9 p.m. 20.8 ppb (20) 12.1 ppb (12) N/A 9.0 ppb (9) N/A N/A 9.0 ppb (9) 0.3 ppb (4) N/A 7.4 μg/m3 (31) 31.0