ID: 2374

AQSQID: 410670005

Site Name: Portland Near Road

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

Updated: Oct. 29, 2020, 6:39 a.m.

Location: Lake Oswego (Swest Bradbury Court), OR

Reporting: True, Located: True

Current AQI: 63.0

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
Oct. 29, 2020, 5 a.m. 49.4 ppb (47) 38.0 ppb (36) N/A 12.0 ppb (12) N/A N/A 1.0 ppb (1) 0.61 ppb (7) N/A 17.7 μg/m3 (63) 63.0
 
Oct. 29, 2020, 4 a.m. 41.1 ppb (39) 27.9 ppb (27) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) 0.56 ppb (7) N/A 14.9 μg/m3 (57) 57.0
 
Oct. 29, 2020, 3 a.m. 42.6 ppb (41) 28.1 ppb (27) N/A 15.0 ppb (15) N/A N/A 1.0 ppb (1) 0.5 ppb (6) N/A 12.9 μg/m3 (53) 53.0
 
Oct. 29, 2020, 2 a.m. 40.9 ppb (39) 24.2 ppb (23) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.53 ppb (6) N/A 9.5 μg/m3 (40) 40.0
 
Oct. 29, 2020, 1 a.m. 26.1 ppb (25) 8.1 ppb (8) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.37 ppb (5) N/A 8.6 μg/m3 (36) 36.0
 
Oct. 29, 2020, midnight 16.8 ppb (16) 3.1 ppb (3) N/A 14.0 ppb (14) N/A N/A 10.0 ppb (10) 0.28 ppb (4) N/A 6.4 μg/m3 (27) 27.0
 
Oct. 28, 2020, 11 p.m. 16.2 ppb (16) 5.1 ppb (5) N/A 11.0 ppb (11) N/A N/A 13.0 ppb (13) 0.24 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
Oct. 28, 2020, 10 p.m. 18.1 ppb (18) 7.6 ppb (8) N/A 10.0 ppb (10) N/A N/A 14.0 ppb (13) 0.25 ppb (3) N/A 7.5 μg/m3 (32) 32.0
 
Oct. 28, 2020, 9 p.m. 36.5 ppb (35) 22.3 ppb (22) N/A 14.0 ppb (14) N/A N/A 7.0 ppb (7) 0.43 ppb (5) N/A 10.8 μg/m3 (46) 46.0
 
Oct. 28, 2020, 8 p.m. 39.9 ppb (38) 27.4 ppb (26) N/A 13.0 ppb (13) N/A N/A 7.0 ppb (7) 0.37 ppb (5) N/A 11.8 μg/m3 (50) 50.0
 
Oct. 28, 2020, 7 p.m. 49.2 ppb (47) 37.3 ppb (36) N/A 12.0 ppb (12) N/A N/A 5.0 ppb (5) 0.42 ppb (5) N/A 13.2 μg/m3 (54) 54.0
 
Oct. 28, 2020, 6 p.m. 48.4 ppb (46) 39.3 ppb (38) N/A 9.0 ppb (9) N/A N/A 4.0 ppb (4) 0.44 ppb (5) N/A 14.6 μg/m3 (57) 57.0
 
Oct. 28, 2020, 5 p.m. 86.5 ppb (86) 72.4 ppb (71) N/A 14.0 ppb (14) N/A N/A 2.0 ppb (2) 0.59 ppb (7) N/A 16.4 μg/m3 (61) 86.0
 
Oct. 28, 2020, 4 p.m. 67.3 ppb (66) 56.0 ppb (54) N/A 12.0 ppb (12) N/A N/A N/A 0.61 ppb (7) N/A 15.0 μg/m3 (58) 66.0
 
Oct. 28, 2020, 3 p.m. 132.0 ppb (107) 115.8 ppb (104) N/A 19.0 ppb (18) N/A N/A N/A 1.01 ppb (12) N/A 18.0 μg/m3 (64) 107.0
 
Oct. 28, 2020, 2 p.m. 167.0 ppb (114) 147.7 ppb (110) N/A 20.0 ppb (19) N/A N/A N/A 1.18 ppb (14) N/A 21.5 μg/m3 (71) 114.0
 
Oct. 28, 2020, 1 p.m. 156.9 ppb (112) 140.8 ppb (109) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 1.19 ppb (14) N/A 22.7 μg/m3 (74) 112.0
 
Oct. 28, 2020, noon 120.3 ppb (105) 106.7 ppb (103) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.91 ppb (11) N/A 20.9 μg/m3 (70) 105.0
 
Oct. 28, 2020, 11 a.m. 99.8 ppb (100) 87.0 ppb (87) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) 0.8 ppb (10) N/A 21.0 μg/m3 (70) 100.0
 
Oct. 28, 2020, 10 a.m. 54.6 ppb (52) 45.9 ppb (44) N/A 9.0 ppb (9) N/A N/A 1.0 ppb (1) 0.7 ppb (8) N/A 20.4 μg/m3 (69) 69.0
 
Oct. 28, 2020, 9 a.m. 62.6 ppb (61) 53.2 ppb (51) N/A 10.0 ppb (10) N/A N/A 1.0 ppb (1) 0.74 ppb (8) N/A 20.8 μg/m3 (70) 70.0
 
Oct. 28, 2020, 8 a.m. 71.3 ppb (70) 59.4 ppb (57) N/A 12.0 ppb (12) N/A N/A 1.0 ppb (1) 0.78 ppb (10) N/A 23.9 μg/m3 (76) 76.0
 
Oct. 28, 2020, 7 a.m. 67.3 ppb (66) 54.3 ppb (52) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) 0.71 ppb (8) N/A 20.9 μg/m3 (70) 70.0
 
Oct. 28, 2020, 6 a.m. 35.1 ppb (34) 23.1 ppb (22) N/A 12.0 ppb (12) N/A N/A 1.0 ppb (1) 0.59 ppb (7) N/A 21.5 μg/m3 (71) 71.0
 
Oct. 28, 2020, 5 a.m. 31.2 ppb (30) 17.7 ppb (17) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) 0.58 ppb (7) N/A 19.0 μg/m3 (66) 66.0
 
Oct. 28, 2020, 4 a.m. 33.0 ppb (32) 18.0 ppb (17) N/A 15.0 ppb (15) N/A N/A 1.0 ppb (1) 0.57 ppb (7) N/A 16.8 μg/m3 (61) 61.0
 
Oct. 28, 2020, 3 a.m. 35.6 ppb (34) 18.9 ppb (18) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.55 ppb (7) N/A 11.8 μg/m3 (50) 50.0
 
Oct. 28, 2020, 2 a.m. 25.8 ppb (25) 8.0 ppb (8) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.47 ppb (6) N/A 8.6 μg/m3 (36) 36.0
 
Oct. 28, 2020, 1 a.m. 17.4 ppb (17) 2.9 ppb (3) N/A 14.0 ppb (14) N/A N/A 8.0 ppb (8) 0.31 ppb (4) N/A 6.2 μg/m3 (26) 26.0
 
Oct. 28, 2020, midnight 9.4 ppb (9) 1.3 ppb (2) N/A 8.0 ppb (8) N/A N/A 17.0 ppb (16) 0.24 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
Oct. 27, 2020, 11 p.m. 17.7 ppb (17) 9.9 ppb (10) N/A 8.0 ppb (8) N/A N/A 18.0 ppb (17) 0.32 ppb (4) N/A 4.9 μg/m3 (21) 21.0
 
Oct. 27, 2020, 10 p.m. 15.1 ppb (15) 7.8 ppb (8) N/A 7.0 ppb (7) N/A N/A 21.0 ppb (20) 0.28 ppb (4) N/A 4.9 μg/m3 (21) 21.0
 
Oct. 27, 2020, 9 p.m. 28.8 ppb (28) 15.0 ppb (15) N/A 14.0 ppb (14) N/A N/A 14.0 ppb (13) 0.41 ppb (5) N/A 9.3 μg/m3 (39) 39.0
 
Oct. 27, 2020, 8 p.m. 50.1 ppb (48) 33.3 ppb (32) N/A 17.0 ppb (17) N/A N/A 13.0 ppb (13) 0.46 ppb (6) N/A 10.0 μg/m3 (42) 48.0
 
Oct. 27, 2020, 7 p.m. 49.1 ppb (47) 30.6 ppb (29) N/A 19.0 ppb (18) N/A N/A 10.0 ppb (10) 0.51 ppb (6) N/A 12.7 μg/m3 (53) 53.0
 
Oct. 27, 2020, 6 p.m. 58.4 ppb (56) 39.4 ppb (38) N/A 20.0 ppb (19) N/A N/A 7.0 ppb (7) 0.55 ppb (7) N/A 14.2 μg/m3 (56) 56.0
 
Oct. 27, 2020, 5 p.m. 97.1 ppb (97) 75.7 ppb (75) N/A 22.0 ppb (21) N/A N/A 5.0 ppb (5) 0.65 ppb (8) N/A 16.0 μg/m3 (60) 97.0
 
Oct. 27, 2020, 4 p.m. 91.8 ppb (92) 71.9 ppb (71) N/A 21.0 ppb (20) N/A N/A 3.0 ppb (3) 0.7 ppb (8) N/A 17.1 μg/m3 (62) 92.0
 
Oct. 27, 2020, 3 p.m. 111.4 ppb (103) 95.3 ppb (95) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.98 ppb (12) N/A 17.4 μg/m3 (63) 103.0
 
Oct. 27, 2020, 2 p.m. 120.8 ppb (105) 104.6 ppb (102) N/A 18.0 ppb (17) N/A N/A N/A 0.92 ppb (11) N/A 16.7 μg/m3 (61) 105.0
 
Oct. 27, 2020, 1 p.m. 62.6 ppb (61) 50.0 ppb (48) N/A 13.0 ppb (13) N/A N/A 1.0 ppb (1) 0.56 ppb (7) N/A 15.7 μg/m3 (59) 61.0
 
Oct. 27, 2020, noon 63.0 ppb (61) 50.1 ppb (48) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) 0.56 ppb (7) N/A 15.7 μg/m3 (59) 61.0
 
Oct. 27, 2020, 11 a.m. 82.4 ppb (82) 67.2 ppb (66) N/A 16.0 ppb (16) N/A N/A 1.0 ppb (1) 0.62 ppb (7) N/A 17.2 μg/m3 (62) 82.0
 
Oct. 27, 2020, 10 a.m. 30.4 ppb (29) 17.5 ppb (17) N/A 13.0 ppb (13) N/A N/A 1.0 ppb (1) 0.46 ppb (6) N/A 15.5 μg/m3 (59) 59.0
 
Oct. 27, 2020, 9 a.m. 34.8 ppb (33) 21.6 ppb (21) N/A 13.0 ppb (13) N/A N/A 1.0 ppb (1) 0.52 ppb (6) N/A 17.1 μg/m3 (62) 62.0
 
Oct. 27, 2020, 8 a.m. 40.7 ppb (39) 26.1 ppb (25) N/A 15.0 ppb (15) N/A N/A 1.0 ppb (1) 0.54 ppb (6) N/A 18.2 μg/m3 (64) 64.0
 
Oct. 27, 2020, 7 a.m. 36.5 ppb (35) 20.8 ppb (20) N/A 16.0 ppb (16) N/A N/A 1.0 ppb (1) 0.58 ppb (7) N/A 20.2 μg/m3 (69) 69.0
 
Oct. 27, 2020, 6 a.m. 38.5 ppb (37) 21.5 ppb (21) N/A 17.0 ppb (17) N/A N/A 2.0 ppb (2) 0.65 ppb (8) N/A 26.8 μg/m3 (82) 82.0
 
Oct. 27, 2020, 5 a.m. 43.7 ppb (42) 24.7 ppb (24) N/A 19.0 ppb (18) N/A N/A 2.0 ppb (2) 0.65 ppb (8) N/A 23.7 μg/m3 (76) 76.0
 
Oct. 27, 2020, 4 a.m. 38.6 ppb (37) 19.5 ppb (19) N/A 19.0 ppb (18) N/A N/A 2.0 ppb (2) 0.61 ppb (7) N/A 20.7 μg/m3 (70) 70.0
 
Oct. 27, 2020, 3 a.m. 38.0 ppb (36) 17.1 ppb (17) N/A 21.0 ppb (20) N/A N/A 2.0 ppb (2) 0.56 ppb (7) N/A 18.6 μg/m3 (65) 65.0
 
Oct. 27, 2020, 2 a.m. 36.0 ppb (34) 14.2 ppb (14) N/A 22.0 ppb (21) N/A N/A 2.0 ppb (2) 0.52 ppb (6) N/A 14.2 μg/m3 (56) 56.0
 
Oct. 27, 2020, 1 a.m. 17.9 ppb (17) 1.8 ppb (2) N/A 16.0 ppb (16) N/A N/A 9.0 ppb (9) 0.34 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Oct. 27, 2020, midnight 12.1 ppb (12) 1.5 ppb (2) N/A 11.0 ppb (11) N/A N/A 17.0 ppb (16) 0.29 ppb (4) N/A 9.3 μg/m3 (39) 39.0
 
Oct. 26, 2020, 11 p.m. 13.3 ppb (13) 3.5 ppb (4) N/A 10.0 ppb (10) N/A N/A 19.0 ppb (18) 0.28 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 26, 2020, 10 p.m. 19.5 ppb (19) 8.2 ppb (8) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) 0.32 ppb (4) N/A 8.8 μg/m3 (37) 37.0
 
Oct. 26, 2020, 9 p.m. 42.3 ppb (40) 26.3 ppb (25) N/A 16.0 ppb (16) N/A N/A 16.0 ppb (15) 0.47 ppb (6) N/A 8.8 μg/m3 (37) 40.0
 
Oct. 26, 2020, 8 p.m. 50.3 ppb (48) 31.5 ppb (30) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (13) 0.45 ppb (6) N/A 9.5 μg/m3 (40) 48.0
 
Oct. 26, 2020, 7 p.m. 28.3 ppb (27) 14.8 ppb (14) N/A 14.0 ppb (14) N/A N/A 17.0 ppb (16) N/A N/A 8.8 μg/m3 (37) 37.0
 
Oct. 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.32 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
Oct. 26, 2020, 5 p.m. 49.7 ppb (47) 32.4 ppb (31) N/A 18.0 ppb (17) N/A N/A 13.0 ppb (13) 0.48 ppb (6) N/A 8.9 μg/m3 (38) 47.0
 
Oct. 26, 2020, 4 p.m. 107.3 ppb (103) 81.5 ppb (81) N/A 26.0 ppb (25) N/A N/A 4.0 ppb (4) 0.71 ppb (8) N/A 11.8 μg/m3 (50) 103.0
 
Oct. 26, 2020, 3 p.m. 108.3 ppb (103) 83.9 ppb (83) N/A 25.0 ppb (24) N/A N/A 2.0 ppb (2) 0.72 ppb (8) N/A 11.7 μg/m3 (49) 103.0
 
Oct. 26, 2020, 2 p.m. 109.3 ppb (103) 83.5 ppb (83) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) 0.68 ppb (8) N/A 11.1 μg/m3 (47) 103.0
 
Oct. 26, 2020, 1 p.m. 97.8 ppb (98) 71.0 ppb (70) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) 0.72 ppb (8) N/A 10.4 μg/m3 (44) 98.0
 
Oct. 26, 2020, noon 65.2 ppb (63) 41.4 ppb (40) N/A 25.0 ppb (24) N/A N/A 3.0 ppb (3) 0.46 ppb (6) N/A 8.8 μg/m3 (37) 63.0
 
Oct. 26, 2020, 11 a.m. 21.7 ppb (21) 8.0 ppb (8) N/A 14.0 ppb (14) N/A N/A 17.0 ppb (16) 0.25 ppb (3) N/A 6.3 μg/m3 (27) 27.0
 
Oct. 26, 2020, 10 a.m. 11.0 ppb (11) 3.6 ppb (4) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) 0.21 ppb (3) N/A 5.9 μg/m3 (25) 25.0
 
Oct. 26, 2020, 9 a.m. 7.5 ppb (8) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.21 ppb (3) N/A 5.8 μg/m3 (25) 25.0
 
Oct. 26, 2020, 8 a.m. 4.7 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) 0.2 ppb (3) N/A 5.7 μg/m3 (24) 25.0
 
Oct. 26, 2020, 7 a.m. 3.0 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.2 ppb (3) N/A 5.8 μg/m3 (25) 27.0
 
Oct. 26, 2020, 6 a.m. 2.8 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) 0.2 ppb (3) N/A 5.8 μg/m3 (25) 27.0
 
Oct. 26, 2020, 5 a.m. 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.2 ppb (3) N/A 5.8 μg/m3 (25) 28.0
 
Oct. 26, 2020, 4 a.m. 2.4 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.21 ppb (3) N/A 6.0 μg/m3 (25) 28.0
 
Oct. 26, 2020, 3 a.m. 7.6 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) 0.26 ppb (4) N/A 6.4 μg/m3 (27) 27.0
 
Oct. 26, 2020, 2 a.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) 0.22 ppb (3) N/A 6.4 μg/m3 (27) 29.0
 
Oct. 26, 2020, 1 a.m. 2.1 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.22 ppb (3) N/A 6.2 μg/m3 (26) 30.0
 
Oct. 26, 2020, midnight 2.0 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.22 ppb (3) N/A 5.9 μg/m3 (25) 30.0
 
Oct. 25, 2020, 11 p.m. 2.2 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.22 ppb (3) N/A 5.6 μg/m3 (24) 30.0
 
Oct. 25, 2020, 10 p.m. 2.8 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.22 ppb (3) N/A 5.5 μg/m3 (23) 31.0
 
Oct. 25, 2020, 9 p.m. 3.8 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.25 ppb (3) N/A 5.5 μg/m3 (23) 30.0
 
Oct. 25, 2020, 8 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) 0.2 ppb (3) N/A 5.3 μg/m3 (23) 30.0
 
Oct. 25, 2020, 7 p.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) 0.2 ppb (3) N/A 5.4 μg/m3 (23) 30.0
 
Oct. 25, 2020, 6 p.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) 0.2 ppb (3) N/A 5.5 μg/m3 (23) 29.0
 
Oct. 25, 2020, 5 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) 0.21 ppb (3) N/A 5.7 μg/m3 (24) 28.0
 
Oct. 25, 2020, 4 p.m. 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) 0.2 ppb (3) N/A 5.8 μg/m3 (25) 27.0
 
Oct. 25, 2020, 3 p.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.2 ppb (3) N/A 5.8 μg/m3 (25) 26.0
 
Oct. 25, 2020, 2 p.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) 0.19 ppb (3) N/A 5.8 μg/m3 (25) 27.0
 
Oct. 25, 2020, 1 p.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) 0.19 ppb (3) N/A 5.7 μg/m3 (24) 27.0
 
Oct. 25, 2020, noon 1.9 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) 0.2 ppb (3) N/A 5.7 μg/m3 (24) 28.0
 
Oct. 25, 2020, 11 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) 0.19 ppb (3) N/A 5.7 μg/m3 (24) 29.0
 
Oct. 25, 2020, 10 a.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) 0.18 ppb (3) N/A 5.4 μg/m3 (23) 29.0
 
Oct. 25, 2020, 9 a.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) 0.18 ppb (3) N/A 5.3 μg/m3 (23) 29.0
 
Oct. 25, 2020, 8 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) 0.19 ppb (3) N/A 5.4 μg/m3 (23) 28.0
 
Oct. 25, 2020, 7 a.m. 2.8 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.19 ppb (3) N/A 5.8 μg/m3 (25) 26.0
 
Oct. 25, 2020, 6 a.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (26) 0.19 ppb (3) N/A 6.3 μg/m3 (27) 27.0
 
Oct. 25, 2020, 5 a.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) 0.2 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
Oct. 25, 2020, 4 a.m. 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (25) 0.21 ppb (3) N/A 6.8 μg/m3 (29) 29.0
 
Oct. 25, 2020, 3 a.m. 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (25) 0.21 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
Oct. 25, 2020, 2 a.m. 1.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) 0.22 ppb (3) N/A 7.2 μg/m3 (31) 31.0
 
Oct. 25, 2020, 1 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) 0.23 ppb (3) N/A 6.3 μg/m3 (27) 27.0
 
Oct. 25, 2020, midnight 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) 0.23 ppb (3) N/A 5.1 μg/m3 (22) 22.0
 
Oct. 24, 2020, 11 p.m. 2.0 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (23) 0.23 ppb (3) N/A 4.7 μg/m3 (20) 23.0
 
Oct. 24, 2020, 10 p.m. 1.5 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (24) 0.21 ppb (3) N/A 4.7 μg/m3 (20) 24.0
 
Oct. 24, 2020, 9 p.m. 1.5 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (25) 0.2 ppb (3) N/A 4.8 μg/m3 (20) 25.0
 
Oct. 24, 2020, 8 p.m. 1.6 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (25) 0.2 ppb (3) N/A 4.6 μg/m3 (20) 25.0
 
Oct. 24, 2020, 7 p.m. 2.9 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) 0.2 ppb (3) N/A 3.9 μg/m3 (17) 24.0
 
Oct. 24, 2020, 6 p.m. 2.1 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) 0.2 ppb (3) N/A 3.2 μg/m3 (14) 24.0
 
Oct. 24, 2020, 5 p.m. 3.7 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (20) 0.19 ppb (3) N/A 2.9 μg/m3 (13) 20.0
 
Oct. 24, 2020, 4 p.m. 9.0 ppb (9) 2.3 ppb (3) N/A 7.0 ppb (7) N/A N/A 11.0 ppb (11) 0.19 ppb (3) N/A 4.4 μg/m3 (19) 19.0
 
Oct. 24, 2020, 3 p.m. 26.8 ppb (26) 15.5 ppb (15) N/A 11.0 ppb (11) N/A N/A 3.0 ppb (3) 0.31 ppb (4) N/A 4.2 μg/m3 (18) 26.0
 
Oct. 24, 2020, 2 p.m. 22.3 ppb (22) 12.2 ppb (12) N/A 10.0 ppb (10) N/A N/A 1.0 ppb (1) 0.25 ppb (3) N/A 3.8 μg/m3 (16) 22.0
 
Oct. 24, 2020, 1 p.m. 11.6 ppb (11) 3.8 ppb (4) N/A 8.0 ppb (8) N/A N/A 2.0 ppb (2) 0.2 ppb (3) N/A 3.4 μg/m3 (15) 15.0
 
Oct. 24, 2020, noon 9.4 ppb (9) 1.6 ppb (2) N/A 8.0 ppb (8) N/A N/A 6.0 ppb (6) 0.17 ppb (3) N/A 3.2 μg/m3 (14) 14.0
 
Oct. 24, 2020, 11 a.m. 16.3 ppb (16) 6.6 ppb (7) N/A 10.0 ppb (10) N/A N/A 5.0 ppb (5) 0.18 ppb (3) N/A 3.3 μg/m3 (14) 16.0
 
Oct. 24, 2020, 10 a.m. 9.0 ppb (9) 2.2 ppb (3) N/A 7.0 ppb (7) N/A N/A 7.0 ppb (7) 0.14 ppb (2) N/A 3.3 μg/m3 (14) 14.0
 
Oct. 24, 2020, 9 a.m. 11.6 ppb (11) 4.8 ppb (5) N/A 7.0 ppb (7) N/A N/A 8.0 ppb (8) 0.16 ppb (3) N/A 3.7 μg/m3 (16) 16.0
 
Oct. 24, 2020, 8 a.m. 10.8 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (8) N/A N/A 9.0 ppb (9) 0.16 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
Oct. 24, 2020, 7 a.m. 10.1 ppb (10) 2.4 ppb (3) N/A 8.0 ppb (8) N/A N/A 11.0 ppb (11) 0.21 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
Oct. 24, 2020, 6 a.m. 8.1 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (13) 0.17 ppb (3) N/A 5.1 μg/m3 (22) 22.0
 
Oct. 24, 2020, 5 a.m. 8.3 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (15) 0.2 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
Oct. 24, 2020, 4 a.m. 12.6 ppb (12) 5.2 ppb (5) N/A 8.0 ppb (8) N/A N/A 16.0 ppb (15) 0.22 ppb (3) N/A 5.3 μg/m3 (23) 23.0
 
Oct. 24, 2020, 3 a.m. 9.8 ppb (10) 3.4 ppb (4) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (18) 0.22 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
Oct. 24, 2020, 2 a.m. 15.8 ppb (15) 6.4 ppb (7) N/A 10.0 ppb (10) N/A N/A 17.0 ppb (16) 0.28 ppb (4) N/A 6.4 μg/m3 (27) 27.0
 
Oct. 24, 2020, 1 a.m. 22.0 ppb (21) 9.4 ppb (9) N/A 13.0 ppb (13) N/A N/A 12.0 ppb (12) 0.35 ppb (4) N/A 8.6 μg/m3 (36) 36.0
 
Oct. 24, 2020, midnight 28.0 ppb (27) 13.4 ppb (13) N/A 15.0 ppb (15) N/A N/A 9.0 ppb (9) 0.39 ppb (5) N/A 9.7 μg/m3 (41) 41.0
 
Oct. 23, 2020, 11 p.m. 27.1 ppb (26) 13.6 ppb (13) N/A 14.0 ppb (14) N/A N/A 11.0 ppb (11) 0.38 ppb (5) N/A 9.3 μg/m3 (39) 39.0
 
Oct. 23, 2020, 10 p.m. 35.9 ppb (34) 19.8 ppb (19) N/A 16.0 ppb (16) N/A N/A 10.0 ppb (10) 0.39 ppb (5) N/A 8.5 μg/m3 (36) 36.0
 
Oct. 23, 2020, 9 p.m. 41.8 ppb (40) 25.6 ppb (25) N/A 17.0 ppb (17) N/A N/A 7.0 ppb (7) 0.39 ppb (5) N/A 10.7 μg/m3 (45) 45.0
 
Oct. 23, 2020, 8 p.m. 29.6 ppb (28) 17.2 ppb (17) N/A 13.0 ppb (13) N/A N/A 10.0 ppb (10) 0.36 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Oct. 23, 2020, 7 p.m. 33.0 ppb (32) 20.1 ppb (19) N/A 13.0 ppb (13) N/A N/A 6.0 ppb (6) 0.39 ppb (5) N/A 14.6 μg/m3 (57) 57.0
 
Oct. 23, 2020, 6 p.m. 19.2 ppb (19) 9.3 ppb (9) N/A 10.0 ppb (10) N/A N/A 6.0 ppb (6) 0.33 ppb (4) N/A 13.7 μg/m3 (55) 55.0
 
Oct. 23, 2020, 5 p.m. 15.1 ppb (15) 6.8 ppb (7) N/A 8.0 ppb (8) N/A N/A 9.0 ppb (9) 0.29 ppb (4) N/A 11.3 μg/m3 (48) 48.0
 
Oct. 23, 2020, 4 p.m. 24.8 ppb (24) 16.1 ppb (16) N/A 9.0 ppb (9) N/A N/A 4.0 ppb (4) 0.32 ppb (4) N/A 10.5 μg/m3 (44) 44.0
 
Oct. 23, 2020, 3 p.m. 46.6 ppb (44) 34.7 ppb (33) N/A 13.0 ppb (13) N/A N/A 2.0 ppb (2) 0.44 ppb (5) N/A 9.8 μg/m3 (41) 44.0
 
Oct. 23, 2020, 2 p.m. 76.1 ppb (75) 60.5 ppb (58) N/A 16.0 ppb (16) N/A N/A 1.0 ppb (1) 0.72 ppb (8) N/A 10.6 μg/m3 (45) 75.0
 
Oct. 23, 2020, 1 p.m. 72.1 ppb (71) 56.3 ppb (54) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.54 ppb (6) N/A 8.6 μg/m3 (36) 71.0
 
Oct. 23, 2020, noon 65.1 ppb (63) 48.2 ppb (46) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.44 ppb (5) N/A 8.5 μg/m3 (36) 63.0
 
Oct. 23, 2020, 11 a.m. 45.3 ppb (43) 29.5 ppb (28) N/A 16.0 ppb (16) N/A N/A 1.0 ppb (1) 0.37 ppb (5) N/A 9.6 μg/m3 (40) 43.0
 
Oct. 23, 2020, 10 a.m. 34.0 ppb (33) 18.4 ppb (18) N/A 16.0 ppb (16) N/A N/A 2.0 ppb (2) 0.34 ppb (4) N/A 10.2 μg/m3 (43) 43.0
 
Oct. 23, 2020, 9 a.m. 25.9 ppb (25) 10.8 ppb (11) N/A 15.0 ppb (15) N/A N/A 2.0 ppb (2) 0.37 ppb (5) N/A 11.3 μg/m3 (48) 48.0
 
Oct. 23, 2020, 8 a.m. 33.8 ppb (32) 17.1 ppb (17) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.41 ppb (5) N/A 12.1 μg/m3 (51) 51.0
 
Oct. 23, 2020, 7 a.m. 39.7 ppb (38) 22.8 ppb (22) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.5 ppb (6) N/A 14.8 μg/m3 (57) 57.0
 
Oct. 23, 2020, 6 a.m. 53.9 ppb (51) 33.0 ppb (32) N/A 21.0 ppb (20) N/A N/A 1.0 ppb (1) 0.57 ppb (7) N/A 12.8 μg/m3 (53) 53.0
 
Oct. 23, 2020, 5 a.m. 60.6 ppb (59) 38.5 ppb (37) N/A 23.0 ppb (22) N/A N/A 1.0 ppb (1) 0.63 ppb (7) N/A 14.4 μg/m3 (56) 59.0
 
Oct. 23, 2020, 4 a.m. 26.6 ppb (26) 8.1 ppb (8) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.51 ppb (6) N/A 15.7 μg/m3 (59) 59.0
 
Oct. 23, 2020, 3 a.m. 41.4 ppb (40) 18.2 ppb (18) N/A 23.0 ppb (22) N/A N/A 6.0 ppb (6) 0.55 ppb (7) N/A 9.0 μg/m3 (38) 40.0
 
Oct. 23, 2020, 2 a.m. 23.3 ppb (22) 5.4 ppb (6) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (8) 0.6 ppb (7) N/A 9.4 μg/m3 (40) 40.0
 
Oct. 23, 2020, 1 a.m. 14.9 ppb (15) 3.1 ppb (3) N/A 12.0 ppb (12) N/A N/A 20.0 ppb (19) 0.32 ppb (4) N/A 4.9 μg/m3 (21) 21.0
 
Oct. 23, 2020, midnight 11.6 ppb (11) 4.4 ppb (5) N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) 0.25 ppb (3) N/A 3.7 μg/m3 (16) 26.0
 
Oct. 22, 2020, 11 p.m. 28.4 ppb (27) 14.8 ppb (14) N/A 14.0 ppb (14) N/A N/A 23.0 ppb (22) 0.33 ppb (4) N/A 3.5 μg/m3 (15) 27.0
 
Oct. 22, 2020, 10 p.m. 31.2 ppb (30) 18.1 ppb (18) N/A 13.0 ppb (13) N/A N/A 24.0 ppb (23) 0.36 ppb (5) N/A 4.0 μg/m3 (17) 30.0
 
Oct. 22, 2020, 9 p.m. 39.1 ppb (37) 24.5 ppb (24) N/A 15.0 ppb (15) N/A N/A 17.0 ppb (16) 0.38 ppb (5) N/A 6.5 μg/m3 (28) 37.0
 
Oct. 22, 2020, 8 p.m. 40.6 ppb (39) 28.1 ppb (27) N/A 13.0 ppb (13) N/A N/A 14.0 ppb (13) 0.34 ppb (4) N/A 7.8 μg/m3 (33) 39.0
 
Oct. 22, 2020, 7 p.m. 56.5 ppb (54) 41.2 ppb (39) N/A 16.0 ppb (16) N/A N/A 9.0 ppb (9) N/A N/A 9.8 μg/m3 (41) 54.0
 
Oct. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.36 ppb (5) N/A 10.7 μg/m3 (45) 45.0
 
Oct. 22, 2020, 5 p.m. 40.0 ppb (38) 27.3 ppb (26) N/A 13.0 ppb (13) N/A N/A 6.0 ppb (6) 0.31 ppb (4) N/A 10.4 μg/m3 (44) 44.0
 
Oct. 22, 2020, 4 p.m. 109.6 ppb (103) 90.1 ppb (90) N/A 21.0 ppb (20) N/A N/A 2.0 ppb (2) 0.71 ppb (8) N/A 11.5 μg/m3 (48) 103.0
 
Oct. 22, 2020, 3 p.m. 188.4 ppb (118) 166.6 ppb (114) N/A 23.0 ppb (22) N/A N/A 1.0 ppb (1) 1.04 ppb (12) N/A 11.8 μg/m3 (50) 118.0
 
Oct. 22, 2020, 2 p.m. 116.7 ppb (104) 101.4 ppb (102) N/A 16.0 ppb (16) N/A N/A 1.0 ppb (1) 0.68 ppb (8) N/A 10.4 μg/m3 (44) 104.0
 
Oct. 22, 2020, 1 p.m. 100.8 ppb (101) 86.4 ppb (86) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) 0.72 ppb (8) N/A 9.6 μg/m3 (40) 101.0
 
Oct. 22, 2020, noon 68.9 ppb (67) 58.0 ppb (56) N/A 11.0 ppb (11) N/A N/A 1.0 ppb (1) 0.5 ppb (6) N/A 8.4 μg/m3 (36) 67.0
 
Oct. 22, 2020, 11 a.m. 43.2 ppb (41) 31.4 ppb (30) N/A 12.0 ppb (12) N/A N/A 1.0 ppb (1) 0.37 ppb (5) N/A 9.2 μg/m3 (39) 41.0
 
Oct. 22, 2020, 10 a.m. 49.9 ppb (48) 36.0 ppb (34) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) 0.4 ppb (5) N/A 9.5 μg/m3 (40) 48.0
 
Oct. 22, 2020, 9 a.m. 26.1 ppb (25) 14.5 ppb (14) N/A 12.0 ppb (12) N/A N/A 1.0 ppb (1) 0.27 ppb (4) N/A 8.1 μg/m3 (34) 34.0
 
Oct. 22, 2020, 8 a.m. 15.3 ppb (15) 3.3 ppb (4) N/A 12.0 ppb (12) N/A N/A 2.0 ppb (2) 0.27 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
Oct. 22, 2020, 7 a.m. 13.6 ppb (13) 1.5 ppb (2) N/A 12.0 ppb (12) N/A N/A 4.0 ppb (4) 0.29 ppb (4) N/A 9.5 μg/m3 (40) 40.0
 
Oct. 22, 2020, 6 a.m. 15.7 ppb (15) 2.0 ppb (2) N/A 14.0 ppb (14) N/A N/A 4.0 ppb (4) 0.28 ppb (4) N/A 8.3 μg/m3 (35) 35.0