ID: 895

AQSQID: 530330080

Site Name: Seattle-Beacon Hill

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

Updated: Dec. 3, 2020, 3:41 p.m.

Location: Seattle (N Beacon Hill), WA

Reporting: True, Located: True

Current AQI: 59.0

Seattle (N Beacon Hill) WA, US: 47.568236, -122.308628

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 3, 2020, 2 p.m. N/A 34.6 ppb (33) 61.3 ppb (59) 26.0 ppb (25) N/A 2.0 ppb (3) 1.0 ppb (1) 0.47 ppb (6) N/A 12.0 μg/m3 (50) 59.0
 
Dec. 3, 2020, 1 p.m. N/A 25.6 ppb (25) 47.6 ppb (45) 23.0 ppb (22) N/A 2.0 ppb (3) 1.0 ppb (1) 0.54 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Dec. 3, 2020, noon N/A 35.4 ppb (34) 57.9 ppb (56) 22.0 ppb (21) N/A 2.0 ppb (3) 1.0 ppb (1) 0.59 ppb (7) N/A 13.0 μg/m3 (53) 56.0
 
Dec. 3, 2020, 11 a.m. N/A 32.3 ppb (31) 54.8 ppb (52) N/A N/A 2.0 ppb (3) 1.0 ppb (1) 0.49 ppb (6) N/A 11.0 μg/m3 (46) 52.0
 
Dec. 3, 2020, 10 a.m. N/A 39.1 ppb (37) 62.4 ppb (60) 22.0 ppb (21) N/A 2.0 ppb (3) N/A 0.4 ppb (5) N/A 15.0 μg/m3 (58) 60.0
 
Dec. 3, 2020, 9 a.m. N/A 44.1 ppb (42) 69.1 ppb (68) 24.0 ppb (23) N/A 2.0 ppb (3) 1.0 ppb (1) 0.36 ppb (5) N/A 15.0 μg/m3 (58) 68.0
 
Dec. 3, 2020, 8 a.m. N/A 20.4 ppb (20) 52.4 ppb (50) 32.0 ppb (31) N/A 2.0 ppb (3) 1.0 ppb (1) 0.35 ppb (4) N/A 9.0 μg/m3 (38) 50.0
 
Dec. 3, 2020, 7 a.m. N/A 23.3 ppb (22) 55.2 ppb (53) 33.0 ppb (32) N/A 2.0 ppb (3) 1.0 ppb (1) 0.41 ppb (5) N/A 10.0 μg/m3 (42) 53.0
 
Dec. 3, 2020, 6 a.m. N/A 33.6 ppb (32) 61.1 ppb (59) 27.0 ppb (26) N/A 2.0 ppb (3) 5.0 ppb (5) 0.3 ppb (4) N/A 9.0 μg/m3 (38) 59.0
 
Dec. 3, 2020, 5 a.m. N/A 23.9 ppb (23) 57.7 ppb (55) 34.0 ppb (33) N/A 2.0 ppb (3) 2.0 ppb (2) 0.45 ppb (6) N/A 10.0 μg/m3 (42) 55.0
 
Dec. 3, 2020, 4 a.m. N/A 1.3 ppb (2) 13.2 ppb (13) 12.0 ppb (12) N/A 1.0 ppb (2) 23.0 ppb (22) 0.24 ppb (3) N/A 3.0 μg/m3 (13) 22.0
 
Dec. 3, 2020, 3 a.m. N/A 1.5 ppb (2) 15.9 ppb (15) 14.0 ppb (14) N/A 1.0 ppb (2) 23.0 ppb (22) 0.23 ppb (3) N/A 3.0 μg/m3 (13) 22.0
 
Dec. 3, 2020, 2 a.m. N/A 2.6 ppb (3) 18.3 ppb (18) 15.0 ppb (15) N/A 1.0 ppb (2) 21.0 ppb (20) 0.3 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Dec. 3, 2020, 1 a.m. N/A 24.6 ppb (24) 50.4 ppb (48) 26.0 ppb (25) N/A 1.0 ppb (2) 11.0 ppb (11) 0.36 ppb (5) N/A 6.0 μg/m3 (25) 48.0
 
Dec. 3, 2020, midnight N/A 23.4 ppb (23) 58.4 ppb (56) 35.0 ppb (34) N/A 2.0 ppb (3) 3.0 ppb (3) 0.39 ppb (5) N/A 6.0 μg/m3 (25) 56.0
 
Dec. 2, 2020, 11 p.m. N/A 30.6 ppb (29) 59.9 ppb (58) 29.0 ppb (28) N/A 2.0 ppb (3) 9.0 ppb (9) 0.28 ppb (4) N/A 5.0 μg/m3 (21) 58.0
 
Dec. 2, 2020, 10 p.m. N/A 50.9 ppb (49) 82.3 ppb (82) 32.0 ppb (31) N/A 2.0 ppb (3) 4.0 ppb (4) 0.34 ppb (4) N/A 8.0 μg/m3 (34) 82.0
 
Dec. 2, 2020, 9 p.m. N/A 68.6 ppb (67) 98.9 ppb (99) 30.0 ppb (29) N/A 3.0 ppb (5) 4.0 ppb (4) 0.4 ppb (5) N/A 8.0 μg/m3 (34) 99.0
 
Dec. 2, 2020, 8 p.m. N/A 114.3 ppb (104) 151.1 ppb (111) 35.0 ppb (34) N/A 4.0 ppb (6) 4.0 ppb (4) 0.57 ppb (7) N/A 13.0 μg/m3 (53) 111.0
 
Dec. 2, 2020, 7 p.m. N/A 108.6 ppb (103) 143.2 ppb (109) 33.0 ppb (32) N/A 3.0 ppb (5) 4.0 ppb (4) 0.64 ppb (7) N/A 13.0 μg/m3 (53) 109.0
 
Dec. 2, 2020, 6 p.m. N/A 44.2 ppb (42) 68.7 ppb (67) 25.0 ppb (24) N/A 2.0 ppb (3) 5.0 ppb (5) 0.49 ppb (6) N/A 5.0 μg/m3 (21) 67.0
 
Dec. 2, 2020, 5 p.m. N/A 27.9 ppb (27) 50.8 ppb (48) 22.0 ppb (21) N/A 2.0 ppb (3) 7.0 ppb (7) 0.39 ppb (5) N/A 6.0 μg/m3 (25) 48.0
 
Dec. 2, 2020, 4 p.m. N/A 47.0 ppb (45) 73.6 ppb (72) 26.0 ppb (25) N/A 2.0 ppb (3) 2.0 ppb (2) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 72.0
 
Dec. 2, 2020, 3 p.m. N/A 28.1 ppb (27) 52.9 ppb (50) 25.0 ppb (24) N/A 2.0 ppb (3) 1.0 ppb (1) 0.26 ppb (4) N/A 3.0 μg/m3 (13) 50.0
 
Dec. 2, 2020, 2 p.m. N/A 2.0 ppb (2) 20.7 ppb (20) 18.0 ppb (17) N/A 1.0 ppb (2) 6.0 ppb (6) 0.21 ppb (3) N/A 2.0 μg/m3 (9) 20.0
 
Dec. 2, 2020, noon N/A 0.6 ppb (1) 10.8 ppb (11) 10.0 ppb (10) N/A 1.0 ppb (2) 10.0 ppb (10) 0.17 ppb (3) N/A 2.0 μg/m3 (9) 11.0
 
Dec. 2, 2020, 11 a.m. N/A 0.0 ppb (0) 6.4 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (2) 14.0 ppb (13) 0.16 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Dec. 2, 2020, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 15.0 ppb (14) 0.16 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Dec. 2, 2020, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 11.0 ppb (11) 0.18 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Dec. 2, 2020, 8 a.m. N/A 0.1 ppb (1) 9.4 ppb (9) 9.0 ppb (9) N/A 1.0 ppb (2) 10.0 ppb (10) 0.19 ppb (3) N/A 1.0 μg/m3 (5) 10.0
 
Dec. 2, 2020, 7 a.m. N/A 0.6 ppb (1) 12.5 ppb (12) 12.0 ppb (12) N/A 1.0 ppb (2) 7.0 ppb (7) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Dec. 2, 2020, 6 a.m. N/A 0.4 ppb (1) 12.1 ppb (12) 12.0 ppb (12) N/A 1.0 ppb (2) 8.0 ppb (8) 0.23 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 2, 2020, 5 a.m. N/A 0.5 ppb (1) 12.4 ppb (12) 12.0 ppb (12) N/A 1.0 ppb (2) 8.0 ppb (8) 0.22 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Dec. 2, 2020, 4 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 10.0 ppb (10) 0.23 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Dec. 2, 2020, 3 a.m. N/A 0.6 ppb (1) 12.7 ppb (12) 12.0 ppb (12) N/A 1.0 ppb (2) 11.0 ppb (11) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Dec. 2, 2020, 2 a.m. N/A 0.7 ppb (1) 13.0 ppb (13) 12.0 ppb (12) N/A 1.0 ppb (2) 13.0 ppb (13) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Dec. 2, 2020, 1 a.m. N/A 0.8 ppb (1) 14.7 ppb (14) 14.0 ppb (14) N/A 1.0 ppb (2) 13.0 ppb (13) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Dec. 2, 2020, midnight N/A 0.7 ppb (1) 9.9 ppb (10) 9.0 ppb (9) N/A 1.0 ppb (2) 17.0 ppb (16) 0.21 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2020, 11 p.m. N/A 1.3 ppb (2) 9.2 ppb (9) 8.0 ppb (8) N/A 1.0 ppb (2) 19.0 ppb (18) 0.21 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2020, 10 p.m. N/A 2.0 ppb (2) 8.6 ppb (9) 7.0 ppb (7) N/A 1.0 ppb (2) 21.0 ppb (20) 0.18 ppb (3) N/A 2.0 μg/m3 (9) 20.0
 
Dec. 1, 2020, 9 p.m. N/A 1.5 ppb (2) 5.7 ppb (6) 4.0 ppb (4) N/A 1.0 ppb (2) 24.0 ppb (23) 0.16 ppb (3) N/A 2.0 μg/m3 (9) 23.0
 
Dec. 1, 2020, 8 p.m. N/A 2.4 ppb (3) 7.5 ppb (8) 5.0 ppb (5) N/A 1.0 ppb (2) 21.0 ppb (20) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 20.0
 
Dec. 1, 2020, 7 p.m. N/A 6.0 ppb (6) 13.4 ppb (13) 7.0 ppb (7) N/A 1.0 ppb (2) 14.0 ppb (13) 0.21 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Dec. 1, 2020, 6 p.m. N/A 6.7 ppb (7) 14.6 ppb (14) 8.0 ppb (8) N/A 1.0 ppb (2) 11.0 ppb (11) 0.21 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2020, 5 p.m. N/A 9.3 ppb (9) 20.0 ppb (19) 10.0 ppb (10) N/A 1.0 ppb (2) 7.0 ppb (7) 0.23 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2020, 4 p.m. N/A 5.6 ppb (6) 17.2 ppb (17) 11.0 ppb (11) N/A 1.0 ppb (2) 6.0 ppb (6) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2020, 3 p.m. N/A 3.4 ppb (4) 20.5 ppb (20) 16.0 ppb (16) N/A 1.0 ppb (2) 3.0 ppb (3) 0.3 ppb (4) N/A 4.0 μg/m3 (17) 20.0
 
Dec. 1, 2020, 2 p.m. N/A 0.9 ppb (1) 15.0 ppb (15) 14.0 ppb (14) N/A 1.0 ppb (2) 6.0 ppb (6) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Dec. 1, 2020, 1 p.m. N/A 0.4 ppb (1) 14.6 ppb (14) 14.0 ppb (14) N/A 1.0 ppb (2) 6.0 ppb (6) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2020, noon N/A 0.3 ppb (1) 8.4 ppb (8) 7.0 ppb (7) N/A 1.0 ppb (2) 19.0 ppb (18) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2020, 11 a.m. N/A 0.0 ppb (0) 7.4 ppb (7) 7.0 ppb (7) N/A 1.0 ppb (2) 19.0 ppb (18) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2020, 10 a.m. N/A 0.3 ppb (1) 11.6 ppb (11) 10.0 ppb (10) N/A 1.0 ppb (2) 17.0 ppb (16) 0.18 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2020, 9 a.m. N/A 0.5 ppb (1) 13.2 ppb (13) 13.0 ppb (13) N/A 1.0 ppb (2) 16.0 ppb (15) 0.18 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2020, 8 a.m. N/A 0.1 ppb (1) 7.9 ppb (8) 8.0 ppb (8) N/A 1.0 ppb (2) 20.0 ppb (19) 0.18 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2020, 7 a.m. N/A 0.1 ppb (1) 4.9 ppb (5) 5.0 ppb (5) N/A N/A 23.0 ppb (22) 0.17 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2020, 6 a.m. N/A 0.0 ppb (0) 5.5 ppb (6) 5.0 ppb (5) N/A N/A 22.0 ppb (21) 0.18 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2020, 5 a.m. N/A 0.1 ppb (1) 6.4 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2020, 4 a.m. N/A 0.2 ppb (1) 7.3 ppb (7) 7.0 ppb (7) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2020, 3 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 19.0 ppb (18) 0.23 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2020, 2 a.m. N/A 0.4 ppb (1) 13.1 ppb (13) 13.0 ppb (13) N/A 1.0 ppb (2) 19.0 ppb (18) 0.2 ppb (3) N/A 3.0 μg/m3 (13) 18.0
 
Dec. 1, 2020, 1 a.m. N/A 0.2 ppb (1) 9.1 ppb (9) 9.0 ppb (9) N/A 1.0 ppb (2) 23.0 ppb (22) 0.21 ppb (3) N/A 3.0 μg/m3 (13) 22.0
 
Dec. 1, 2020, midnight N/A 0.4 ppb (1) 10.1 ppb (10) 10.0 ppb (10) N/A 1.0 ppb (2) 23.0 ppb (22) 0.19 ppb (3) N/A 5.0 μg/m3 (21) 22.0
 
Nov. 30, 2020, 11 p.m. N/A 0.7 ppb (1) 7.4 ppb (7) 7.0 ppb (7) N/A 1.0 ppb (2) 26.0 ppb (25) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 25.0
 
Nov. 30, 2020, 10 p.m. N/A 1.2 ppb (2) 6.5 ppb (7) 5.0 ppb (5) N/A 1.0 ppb (2) 28.0 ppb (26) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 26.0
 
Nov. 30, 2020, 9 p.m. N/A 1.1 ppb (2) 5.0 ppb (5) 4.0 ppb (4) N/A 1.0 ppb (2) 30.0 ppb (28) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 28.0
 
Nov. 30, 2020, 8 p.m. N/A 1.4 ppb (2) 5.4 ppb (6) 4.0 ppb (4) N/A 1.0 ppb (2) 30.0 ppb (28) 0.14 ppb (2) N/A 0.0 μg/m3 (0) 28.0
 
Nov. 30, 2020, 7 p.m. N/A 1.1 ppb (2) 4.7 ppb (5) 4.0 ppb (4) N/A 1.0 ppb (2) 31.0 ppb (29) 0.13 ppb (2) N/A 2.0 μg/m3 (9) 29.0
 
Nov. 30, 2020, 6 p.m. N/A 1.1 ppb (2) 5.4 ppb (6) 4.0 ppb (4) N/A 1.0 ppb (2) 31.0 ppb (29) 0.13 ppb (2) N/A 4.0 μg/m3 (17) 29.0
 
Nov. 30, 2020, 5 p.m. N/A 0.9 ppb (1) 5.8 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (2) 31.0 ppb (29) 0.13 ppb (2) N/A 3.0 μg/m3 (13) 29.0
 
Nov. 30, 2020, 4 p.m. N/A 0.5 ppb (1) 5.8 ppb (6) 6.0 ppb (6) N/A 1.0 ppb (2) 32.0 ppb (30) 0.13 ppb (2) N/A 3.0 μg/m3 (13) 30.0
 
Nov. 30, 2020, 3 p.m. N/A 0.2 ppb (1) 5.0 ppb (5) 5.0 ppb (5) N/A 1.0 ppb (2) 30.0 ppb (28) 0.13 ppb (2) N/A 4.0 μg/m3 (17) 28.0
 
Nov. 30, 2020, 2 p.m. N/A 0.2 ppb (1) 6.2 ppb (6) 6.0 ppb (6) N/A 1.0 ppb (2) 28.0 ppb (26) 0.14 ppb (2) N/A 1.0 μg/m3 (5) 26.0
 
Nov. 30, 2020, 1 p.m. N/A 0.5 ppb (1) 7.2 ppb (7) 7.0 ppb (7) N/A 1.0 ppb (2) 27.0 ppb (25) 0.13 ppb (2) N/A 3.0 μg/m3 (13) 25.0
 
Nov. 30, 2020, noon N/A 1.9 ppb (2) 15.3 ppb (15) 14.0 ppb (14) N/A 1.0 ppb (2) 10.0 ppb (10) 0.21 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 30, 2020, 11 a.m. N/A 2.9 ppb (3) 18.0 ppb (17) 15.0 ppb (15) N/A 1.0 ppb (2) 3.0 ppb (3) 0.23 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 30, 2020, 10 a.m. N/A 12.8 ppb (13) 28.5 ppb (27) 15.0 ppb (15) N/A 2.0 ppb (3) N/A 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 30, 2020, 9 a.m. N/A 14.2 ppb (14) 30.5 ppb (29) 16.0 ppb (16) N/A 2.0 ppb (3) 1.0 ppb (1) 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 30, 2020, 8 a.m. N/A 5.7 ppb (6) 21.6 ppb (21) 16.0 ppb (16) N/A 2.0 ppb (3) 2.0 ppb (2) 0.26 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Nov. 30, 2020, 7 a.m. N/A 2.5 ppb (3) 18.5 ppb (18) 16.0 ppb (16) N/A 2.0 ppb (3) 2.0 ppb (2) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Nov. 30, 2020, 6 a.m. N/A 0.1 ppb (1) 12.4 ppb (12) 12.0 ppb (12) N/A 1.0 ppb (2) 10.0 ppb (10) 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 30, 2020, 5 a.m. N/A 1.1 ppb (2) 15.4 ppb (15) 14.0 ppb (14) N/A 1.0 ppb (2) 14.0 ppb (13) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 30, 2020, 4 a.m. N/A 1.1 ppb (2) 9.0 ppb (9) 8.0 ppb (8) N/A 1.0 ppb (2) 18.0 ppb (17) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 30, 2020, 3 a.m. N/A 1.4 ppb (2) 16.9 ppb (16) 15.0 ppb (15) N/A 1.0 ppb (2) 8.0 ppb (8) 0.31 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 30, 2020, 2 a.m. N/A 6.7 ppb (7) 23.3 ppb (22) 16.0 ppb (16) N/A 1.0 ppb (2) 4.0 ppb (4) 0.36 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 30, 2020, 1 a.m. N/A 22.9 ppb (22) 39.2 ppb (37) 16.0 ppb (16) N/A 2.0 ppb (3) 1.0 ppb (1) 0.5 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 30, 2020, midnight N/A 46.1 ppb (44) 63.4 ppb (62) 16.0 ppb (16) N/A 2.0 ppb (3) 1.0 ppb (1) 0.69 ppb (8) N/A 14.0 μg/m3 (55) 62.0
 
Nov. 29, 2020, 11 p.m. N/A 49.2 ppb (47) 69.3 ppb (68) 19.0 ppb (18) N/A 2.0 ppb (3) 2.0 ppb (2) 0.69 ppb (8) N/A 26.0 μg/m3 (81) 81.0
 
Nov. 29, 2020, 10 p.m. N/A 46.4 ppb (44) 67.6 ppb (66) 20.0 ppb (19) N/A 3.0 ppb (5) 3.0 ppb (3) 0.43 ppb (5) N/A 18.0 μg/m3 (64) 66.0
 
Nov. 29, 2020, 9 p.m. N/A 89.4 ppb (89) 114.4 ppb (104) 24.0 ppb (23) N/A 3.0 ppb (5) 2.0 ppb (2) 0.44 ppb (5) N/A 18.0 μg/m3 (64) 104.0
 
Nov. 29, 2020, 8 p.m. N/A 68.6 ppb (67) 91.5 ppb (91) 22.0 ppb (21) N/A 3.0 ppb (5) 2.0 ppb (2) 0.41 ppb (5) N/A 16.0 μg/m3 (60) 91.0
 
Nov. 29, 2020, 7 p.m. N/A 68.6 ppb (67) 90.3 ppb (90) 21.0 ppb (20) N/A 2.0 ppb (3) 2.0 ppb (2) 0.39 ppb (5) N/A 10.0 μg/m3 (42) 90.0
 
Nov. 29, 2020, 6 p.m. N/A 62.3 ppb (60) 81.6 ppb (81) 19.0 ppb (18) N/A 2.0 ppb (3) 2.0 ppb (2) 0.35 ppb (4) N/A 9.0 μg/m3 (38) 81.0
 
Nov. 29, 2020, 5 p.m. N/A 34.7 ppb (33) 50.3 ppb (48) 15.0 ppb (15) N/A 2.0 ppb (3) 2.0 ppb (2) 0.33 ppb (4) N/A 7.0 μg/m3 (30) 48.0
 
Nov. 29, 2020, 4 p.m. N/A 31.5 ppb (30) 47.8 ppb (46) 16.0 ppb (16) N/A 2.0 ppb (3) 1.0 ppb (1) 0.28 ppb (4) N/A 6.0 μg/m3 (25) 46.0
 
Nov. 29, 2020, 3 p.m. N/A 36.1 ppb (35) 51.7 ppb (49) 15.0 ppb (15) N/A 2.0 ppb (3) 1.0 ppb (1) 0.33 ppb (4) N/A 2.0 μg/m3 (9) 49.0
 
Nov. 29, 2020, 2 p.m. N/A 0.7 ppb (1) 9.2 ppb (9) 9.0 ppb (9) N/A 1.0 ppb (2) 7.0 ppb (7) 0.19 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Nov. 29, 2020, 1 p.m. N/A 0.1 ppb (1) 7.5 ppb (8) 8.0 ppb (8) N/A 1.0 ppb (2) 9.0 ppb (9) 0.2 ppb (3) N/A 1.0 μg/m3 (5) 9.0
 
Nov. 29, 2020, noon N/A -5.3 ppb (0) 4.6 ppb (5) 5.0 ppb (5) N/A 1.0 ppb (2) 11.0 ppb (11) 0.18 ppb (3) N/A 0.0 μg/m3 (0) 11.0
 
Nov. 29, 2020, 11 a.m. N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 1.0 ppb (2) 10.0 ppb (10) 0.22 ppb (3) N/A 2.0 μg/m3 (9) 10.0
 
Nov. 29, 2020, 10 a.m. N/A 0.0 ppb (0) 7.6 ppb (8) 8.0 ppb (8) N/A 1.0 ppb (2) 8.0 ppb (8) 0.24 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 29, 2020, 9 a.m. N/A 0.1 ppb (1) 7.8 ppb (8) 8.0 ppb (8) N/A 1.0 ppb (2) 7.0 ppb (7) 0.26 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2020, 8 a.m. N/A 2.1 ppb (2) 13.2 ppb (13) 11.0 ppb (11) N/A 1.0 ppb (2) 3.0 ppb (3) 0.34 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Nov. 29, 2020, 7 a.m. N/A 0.4 ppb (1) 10.2 ppb (10) 10.0 ppb (10) N/A 1.0 ppb (2) 8.0 ppb (8) 0.29 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2020, 6 a.m. N/A 0.0 ppb (0) 9.6 ppb (10) 9.0 ppb (9) N/A 1.0 ppb (2) 12.0 ppb (12) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2020, 5 a.m. N/A 0.8 ppb (1) 12.8 ppb (13) 12.0 ppb (12) N/A 1.0 ppb (2) 7.0 ppb (7) 0.31 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 29, 2020, 4 a.m. N/A 1.4 ppb (2) 16.6 ppb (16) 15.0 ppb (15) N/A 1.0 ppb (2) 6.0 ppb (6) 0.38 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 29, 2020, 3 a.m. N/A 1.7 ppb (2) 18.6 ppb (18) 16.0 ppb (16) N/A 1.0 ppb (2) 7.0 ppb (7) 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 29, 2020, 2 a.m. N/A 1.3 ppb (2) 23.8 ppb (23) 22.0 ppb (21) N/A 1.0 ppb (2) 8.0 ppb (8) 0.41 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 29, 2020, 1 a.m. N/A 4.5 ppb (5) 26.2 ppb (25) 22.0 ppb (21) N/A 1.0 ppb (2) 9.0 ppb (9) 0.45 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2020, midnight N/A 0.4 ppb (1) 11.7 ppb (12) 12.0 ppb (12) N/A 1.0 ppb (2) 18.0 ppb (17) 0.29 ppb (4) N/A 3.0 μg/m3 (13) 17.0
 
Nov. 28, 2020, 11 p.m. N/A 0.4 ppb (1) 7.0 ppb (7) 7.0 ppb (7) N/A 1.0 ppb (2) 25.0 ppb (24) 0.19 ppb (3) N/A 1.0 μg/m3 (5) 24.0
 
Nov. 28, 2020, 10 p.m. N/A 0.5 ppb (1) 5.5 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (2) 28.0 ppb (26) 0.2 ppb (3) N/A 2.0 μg/m3 (9) 26.0
 
Nov. 28, 2020, 9 p.m. N/A 0.5 ppb (1) 6.2 ppb (6) 6.0 ppb (6) N/A 1.0 ppb (2) 26.0 ppb (25) 0.18 ppb (3) N/A 2.0 μg/m3 (9) 25.0
 
Nov. 28, 2020, 8 p.m. N/A 0.4 ppb (1) 4.8 ppb (5) 5.0 ppb (5) N/A 1.0 ppb (2) 28.0 ppb (26) 0.15 ppb (2) N/A 2.0 μg/m3 (9) 26.0
 
Nov. 28, 2020, 7 p.m. N/A 0.7 ppb (1) 6.2 ppb (6) 6.0 ppb (6) N/A 1.0 ppb (2) 24.0 ppb (23) 0.19 ppb (3) N/A 3.0 μg/m3 (13) 23.0
 
Nov. 28, 2020, 6 p.m. N/A 1.6 ppb (2) 10.0 ppb (10) 8.0 ppb (8) N/A 1.0 ppb (2) 15.0 ppb (14) 0.21 ppb (3) N/A 3.0 μg/m3 (13) 14.0
 
Nov. 28, 2020, 5 p.m. N/A 2.6 ppb (3) 12.4 ppb (12) 10.0 ppb (10) N/A 1.0 ppb (2) 12.0 ppb (12) 0.24 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Nov. 28, 2020, 4 p.m. N/A 0.8 ppb (1) 9.0 ppb (9) 8.0 ppb (8) N/A 1.0 ppb (2) 12.0 ppb (12) 0.19 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2020, 3 p.m. N/A 0.2 ppb (1) 9.0 ppb (9) 9.0 ppb (9) N/A 1.0 ppb (2) 12.0 ppb (12) 0.18 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 28, 2020, 2 p.m. N/A 0.2 ppb (1) 8.2 ppb (8) 8.0 ppb (8) N/A 1.0 ppb (2) 13.0 ppb (13) 0.19 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 28, 2020, 1 p.m. N/A 0.3 ppb (1) 7.4 ppb (7) 7.0 ppb (7) N/A 1.0 ppb (2) 17.0 ppb (16) 0.16 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 28, 2020, noon N/A 0.6 ppb (1) 8.0 ppb (8) N/A N/A 1.0 ppb (2) 19.0 ppb (18) 0.15 ppb (2) N/A 4.0 μg/m3 (17) 18.0
 
Nov. 28, 2020, 11 a.m. N/A 0.2 ppb (1) 5.0 ppb (5) N/A N/A 1.0 ppb (2) 20.0 ppb (19) 0.16 ppb (3) N/A 3.0 μg/m3 (13) 19.0
 
Nov. 28, 2020, 10 a.m. N/A 0.0 ppb (0) 9.7 ppb (10) 9.0 ppb (9) N/A 1.0 ppb (2) 13.0 ppb (13) 0.18 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2020, 9 a.m. N/A 0.2 ppb (1) 16.5 ppb (16) 17.0 ppb (17) N/A 1.0 ppb (2) 7.0 ppb (7) 0.18 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 8 a.m. N/A 0.1 ppb (1) 9.4 ppb (9) 10.0 ppb (10) N/A 1.0 ppb (2) 16.0 ppb (15) 0.16 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 28, 2020, 7 a.m. N/A 0.0 ppb (0) 3.6 ppb (4) 4.0 ppb (4) N/A 1.0 ppb (2) 23.0 ppb (22) 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2020, 6 a.m. N/A 0.1 ppb (1) 5.6 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (2) 20.0 ppb (19) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2020, 5 a.m. N/A 1.3 ppb (2) 14.7 ppb (14) 13.0 ppb (13) N/A 1.0 ppb (2) 9.0 ppb (9) 0.25 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 4 a.m. N/A 3.2 ppb (4) 21.5 ppb (21) 19.0 ppb (18) N/A 2.0 ppb (3) 5.0 ppb (5) 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2020, 3 a.m. N/A 2.0 ppb (2) 19.0 ppb (18) 18.0 ppb (17) N/A 2.0 ppb (3) 8.0 ppb (8) 0.22 ppb (3) N/A 4.0 μg/m3 (17) 18.0
 
Nov. 28, 2020, 2 a.m. N/A 2.0 ppb (2) 17.9 ppb (17) 16.0 ppb (16) N/A 1.0 ppb (2) 11.0 ppb (11) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2020, 1 a.m. N/A 2.3 ppb (3) 20.6 ppb (20) 19.0 ppb (18) N/A 1.0 ppb (2) 10.0 ppb (10) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2020, midnight N/A 1.7 ppb (2) 15.1 ppb (15) 14.0 ppb (14) N/A 1.0 ppb (2) 14.0 ppb (13) 0.26 ppb (4) N/A 3.0 μg/m3 (13) 15.0
 
Nov. 27, 2020, 11 p.m. N/A 0.8 ppb (1) 8.8 ppb (9) 8.0 ppb (8) N/A 1.0 ppb (2) 19.0 ppb (18) 0.17 ppb (3) N/A 3.0 μg/m3 (13) 18.0
 
Nov. 27, 2020, 10 p.m. N/A 1.3 ppb (2) 6.6 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (2) 22.0 ppb (21) 0.16 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 27, 2020, 9 p.m. N/A 1.7 ppb (2) 7.6 ppb (8) 6.0 ppb (6) N/A 1.0 ppb (2) 23.0 ppb (22) 0.16 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 27, 2020, 8 p.m. N/A 1.9 ppb (2) 7.0 ppb (7) 5.0 ppb (5) N/A 1.0 ppb (2) 22.0 ppb (21) 0.17 ppb (3) N/A 0.0 μg/m3 (0) 21.0
 
Nov. 27, 2020, 7 p.m. N/A 3.3 ppb (4) 10.9 ppb (11) 8.0 ppb (8) N/A 1.0 ppb (2) 19.0 ppb (18) 0.2 ppb (3) N/A 1.0 μg/m3 (5) 18.0
 
Nov. 27, 2020, 6 p.m. N/A 5.3 ppb (5) 16.8 ppb (16) 12.0 ppb (12) N/A 1.0 ppb (2) 15.0 ppb (14) 0.2 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 27, 2020, 5 p.m. N/A 4.6 ppb (5) 14.5 ppb (14) 11.0 ppb (11) N/A 1.0 ppb (2) 13.0 ppb (13) 0.19 ppb (3) N/A 2.0 μg/m3 (9) 14.0
 
Nov. 27, 2020, 4 p.m. N/A 2.1 ppb (2) 11.1 ppb (11) 9.0 ppb (9) N/A 1.0 ppb (2) 11.0 ppb (11) 0.19 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Nov. 27, 2020, 3 p.m. N/A 0.8 ppb (1) 9.8 ppb (10) 9.0 ppb (9) N/A 1.0 ppb (2) 12.0 ppb (12) 0.18 ppb (3) N/A 2.0 μg/m3 (9) 12.0
 
Nov. 27, 2020, 2 p.m. N/A 0.3 ppb (1) 5.6 ppb (6) 6.0 ppb (6) N/A 1.0 ppb (2) 15.0 ppb (14) 0.16 ppb (3) N/A 0.0 μg/m3 (0) 14.0
 
Nov. 27, 2020, 1 p.m. N/A 0.4 ppb (1) 5.4 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (2) 15.0 ppb (14) 0.16 ppb (3) N/A 1.0 μg/m3 (5) 14.0
 
Nov. 27, 2020, noon N/A 1.4 ppb (2) 8.5 ppb (9) 7.0 ppb (7) N/A 1.0 ppb (2) 13.0 ppb (13) 0.15 ppb (2) N/A 2.0 μg/m3 (9) 13.0
 
Nov. 27, 2020, 11 a.m. N/A 0.8 ppb (1) 6.1 ppb (6) 6.0 ppb (6) N/A 1.0 ppb (2) 15.0 ppb (14) 0.14 ppb (2) N/A 3.0 μg/m3 (13) 14.0
 
Nov. 27, 2020, 10 a.m. N/A 1.1 ppb (2) 7.4 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (2) N/A 0.16 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 27, 2020, 9 a.m. N/A 1.0 ppb (1) 8.7 ppb (9) 8.0 ppb (8) N/A 1.0 ppb (2) 16.0 ppb (15) 0.17 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 27, 2020, 8 a.m. N/A 0.4 ppb (1) 7.6 ppb (8) 7.0 ppb (7) N/A 1.0 ppb (2) 18.0 ppb (17) 0.18 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Nov. 27, 2020, 7 a.m. N/A 0.6 ppb (1) 10.0 ppb (10) 10.0 ppb (10) N/A N/A 16.0 ppb (15) 0.19 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 27, 2020, 6 a.m. N/A 0.7 ppb (1) 10.2 ppb (10) 10.0 ppb (10) N/A N/A 17.0 ppb (16) 0.19 ppb (3) N/A 3.0 μg/m3 (13) 16.0
 
Nov. 27, 2020, 5 a.m. N/A 0.2 ppb (1) 6.6 ppb (7) 7.0 ppb (7) N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 2.0 μg/m3 (9) 21.0
 
Nov. 27, 2020, 4 a.m. N/A 0.6 ppb (1) 10.1 ppb (10) 10.0 ppb (10) N/A 1.0 ppb (2) 19.0 ppb (18) N/A N/A 2.0 μg/m3 (9) 18.0
 
Nov. 27, 2020, 3 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 18.0 ppb (17) 0.21 ppb (3) N/A 3.0 μg/m3 (13) 17.0
 
Nov. 27, 2020, 2 a.m. N/A 1.0 ppb (1) 12.9 ppb (13) 13.0 ppb (13) N/A 1.0 ppb (2) 15.0 ppb (14) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 27, 2020, 1 a.m. N/A 0.1 ppb (1) 5.0 ppb (5) 5.0 ppb (5) N/A 1.0 ppb (2) 24.0 ppb (23) 0.17 ppb (3) N/A 4.0 μg/m3 (17) 23.0
 
Nov. 27, 2020, midnight N/A 0.1 ppb (1) 5.0 ppb (5) 5.0 ppb (5) N/A 1.0 ppb (2) 26.0 ppb (25) 0.15 ppb (2) N/A 0.0 μg/m3 (0) 25.0
 
Nov. 26, 2020, 11 p.m. N/A 0.2 ppb (1) 4.0 ppb (4) 4.0 ppb (4) N/A 1.0 ppb (2) 24.0 ppb (23) 0.16 ppb (3) N/A 1.0 μg/m3 (5) 23.0
 
Nov. 26, 2020, 10 p.m. N/A 0.4 ppb (1) 3.0 ppb (3) 3.0 ppb (3) N/A 1.0 ppb (2) 25.0 ppb (24) 0.14 ppb (2) N/A 3.0 μg/m3 (13) 24.0
 
Nov. 26, 2020, 9 p.m. N/A 0.4 ppb (1) 2.2 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) 0.14 ppb (2) N/A 15.0 μg/m3 (58) 58.0
 
Nov. 26, 2020, 8 p.m. N/A 0.4 ppb (1) 3.5 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (2) 24.0 ppb (23) 0.15 ppb (2) N/A -1.0 μg/m3 (0) 23.0
 
Nov. 26, 2020, 7 p.m. N/A 0.5 ppb (1) 3.0 ppb (3) 3.0 ppb (3) N/A 1.0 ppb (2) 24.0 ppb (23) 0.14 ppb (2) N/A 2.0 μg/m3 (9) 23.0
 
Nov. 26, 2020, 6 p.m. N/A 0.4 ppb (1) 3.3 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (2) 21.0 ppb (20) 0.15 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 26, 2020, 5 p.m. N/A 1.9 ppb (2) 10.1 ppb (10) 8.0 ppb (8) N/A 1.0 ppb (2) 12.0 ppb (12) 0.21 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Nov. 26, 2020, 4 p.m. N/A 1.7 ppb (2) 12.2 ppb (12) 11.0 ppb (11) N/A 1.0 ppb (2) 7.0 ppb (7) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Nov. 26, 2020, 3 p.m. N/A 0.8 ppb (1) 11.9 ppb (12) 11.0 ppb (11) N/A 1.0 ppb (2) 5.0 ppb (5) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Nov. 26, 2020, 2 p.m. N/A 1.7 ppb (2) 14.2 ppb (14) 13.0 ppb (13) N/A 1.0 ppb (2) 4.0 ppb (4) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0