ID: 1128

AQSQID: 180970078

Site Name: Indpls-Washington Park

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

Updated: Jan. 16, 2021, 5:31 p.m.

Location: Indianapolis (Martindale-Brightwood), IN

Reporting: True, Located: True

Current AQI: 43.0

Indianapolis (Martindale-Brightwood) IN, US: 39.8108, -86.1147

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2021, 4 p.m. N/A N/A 8.5 ppb (9) 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (19) 0.26 ppb (4) 12.7 μg/m3 (12) 10.1 μg/m3 (43) 43.0
 
Jan. 16, 2021, 3 p.m. N/A N/A 14.0 ppb (14) 9.0 ppb (9) N/A 0.0 ppb (0) 16.0 ppb (15) 0.28 ppb (4) 12.3 μg/m3 (12) 9.8 μg/m3 (41) 41.0
 
Jan. 16, 2021, 2 p.m. N/A N/A 16.9 ppb (16) 11.0 ppb (11) N/A 0.0 ppb (0) 14.0 ppb (13) 0.3 ppb (4) 10.9 μg/m3 (11) 8.7 μg/m3 (37) 37.0
 
Jan. 16, 2021, 1 p.m. N/A N/A 32.4 ppb (31) 20.0 ppb (19) N/A 0.0 ppb (0) 6.0 ppb (6) 0.47 ppb (6) 13.3 μg/m3 (13) 9.9 μg/m3 (42) 42.0
 
Jan. 16, 2021, noon N/A N/A 27.3 ppb (26) 21.0 ppb (20) N/A 0.0 ppb (0) 4.0 ppb (4) 0.44 ppb (5) 13.1 μg/m3 (13) 10.5 μg/m3 (44) 44.0
 
Jan. 16, 2021, 11 a.m. N/A N/A 20.3 ppb (20) 16.0 ppb (16) N/A 0.0 ppb (0) 6.0 ppb (6) 0.38 ppb (5) 11.0 μg/m3 (11) 8.9 μg/m3 (38) 38.0
 
Jan. 16, 2021, 10 a.m. N/A N/A 10.5 ppb (10) 8.0 ppb (8) N/A 0.0 ppb (0) N/A 0.37 ppb (5) 10.5 μg/m3 (10) 8.2 μg/m3 (35) 35.0
 
Jan. 16, 2021, 9 a.m. N/A N/A 8.3 ppb (8) 8.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (18) 0.23 ppb (3) 11.4 μg/m3 (11) 8.5 μg/m3 (36) 36.0
 
Jan. 16, 2021, 8 a.m. N/A N/A 11.7 ppb (12) 10.0 ppb (10) N/A 0.0 ppb (0) 17.0 ppb (16) 0.25 ppb (3) 12.7 μg/m3 (12) 10.4 μg/m3 (44) 44.0
 
Jan. 16, 2021, 7 a.m. N/A N/A 11.2 ppb (11) 10.0 ppb (10) N/A 0.0 ppb (0) 18.0 ppb (17) 0.24 ppb (3) 11.2 μg/m3 (11) 8.3 μg/m3 (35) 35.0
 
Jan. 16, 2021, 6 a.m. N/A N/A 11.2 ppb (11) 10.0 ppb (10) N/A 0.0 ppb (0) 18.0 ppb (17) 0.23 ppb (3) 10.2 μg/m3 (10) 6.7 μg/m3 (28) 28.0
 
Jan. 16, 2021, 5 a.m. N/A N/A 10.3 ppb (10) 10.0 ppb (10) N/A 0.0 ppb (0) 20.0 ppb (19) 0.23 ppb (3) 10.3 μg/m3 (10) 5.9 μg/m3 (25) 25.0
 
Jan. 16, 2021, 4 a.m. N/A N/A 7.3 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (22) 0.22 ppb (3) 11.8 μg/m3 (11) 5.6 μg/m3 (24) 24.0
 
Jan. 16, 2021, 2 a.m. N/A N/A 20.0 ppb (19) 18.0 ppb (17) N/A 0.0 ppb (0) 11.0 ppb (11) 0.33 ppb (4) 16.6 μg/m3 (16) 9.8 μg/m3 (41) 41.0
 
Jan. 16, 2021, 1 a.m. N/A N/A 18.4 ppb (18) 17.0 ppb (17) N/A 0.0 ppb (0) 13.0 ppb (13) 0.3 ppb (4) 16.2 μg/m3 (15) 9.2 μg/m3 (39) 39.0
 
Jan. 16, 2021, midnight N/A N/A 12.0 ppb (12) 12.0 ppb (12) N/A 0.0 ppb (0) 19.0 ppb (18) 0.27 ppb (4) 13.1 μg/m3 (13) 7.7 μg/m3 (33) 33.0
 
Jan. 15, 2021, 11 p.m. N/A N/A 13.1 ppb (13) 12.0 ppb (12) N/A 0.0 ppb (0) 18.0 ppb (17) 0.3 ppb (4) 14.9 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2021, 9 p.m. N/A N/A 7.8 ppb (8) 7.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (25) 0.25 ppb (3) 23.7 μg/m3 (22) 7.6 μg/m3 (32) 32.0
 
Jan. 15, 2021, 8 p.m. N/A N/A 8.4 ppb (8) 7.0 ppb (7) N/A 1.0 ppb (2) 25.0 ppb (24) 0.24 ppb (3) 22.7 μg/m3 (22) 8.3 μg/m3 (35) 35.0
 
Jan. 15, 2021, 7 p.m. N/A N/A 7.0 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (2) 26.0 ppb (25) 0.22 ppb (3) 22.7 μg/m3 (22) 8.1 μg/m3 (34) 34.0
 
Jan. 15, 2021, 6 p.m. N/A N/A 7.2 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (2) 27.0 ppb (25) 0.23 ppb (3) 29.5 μg/m3 (28) 8.1 μg/m3 (34) 34.0
 
Jan. 15, 2021, 5 p.m. N/A N/A 7.7 ppb (8) 6.0 ppb (6) N/A 1.0 ppb (2) 26.0 ppb (25) 0.24 ppb (3) 22.5 μg/m3 (21) 6.2 μg/m3 (26) 26.0
 
Jan. 15, 2021, 3 p.m. N/A N/A 7.7 ppb (8) 6.0 ppb (6) N/A 1.0 ppb (2) 25.0 ppb (24) 0.22 ppb (3) 18.0 μg/m3 (17) 5.2 μg/m3 (22) 24.0
 
Jan. 15, 2021, 2 p.m. N/A N/A 10.2 ppb (10) 8.0 ppb (8) N/A 1.0 ppb (2) 22.0 ppb (21) 0.24 ppb (3) 14.2 μg/m3 (14) 6.3 μg/m3 (27) 27.0
 
Jan. 15, 2021, noon N/A N/A 10.8 ppb (11) 9.0 ppb (9) N/A 0.0 ppb (0) 20.0 ppb (19) 0.23 ppb (3) 13.9 μg/m3 (13) 7.1 μg/m3 (30) 30.0
 
Jan. 15, 2021, 11 a.m. N/A N/A 7.5 ppb (8) 7.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (21) 0.22 ppb (3) 13.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
Jan. 15, 2021, 10 a.m. N/A N/A 8.2 ppb (8) 8.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (17) 0.22 ppb (3) 13.2 μg/m3 (13) 8.4 μg/m3 (36) 36.0
 
Jan. 15, 2021, 9 a.m. N/A N/A 5.6 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (19) 0.21 ppb (3) 10.3 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2021, 8 a.m. N/A N/A 5.8 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) 7.3 μg/m3 (7) 4.3 μg/m3 (18) 20.0
 
Jan. 15, 2021, 7 a.m. N/A N/A 7.0 ppb (7) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.22 ppb (3) 7.3 μg/m3 (7) 4.0 μg/m3 (17) 19.0
 
Jan. 15, 2021, 6 a.m. N/A N/A 4.7 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (21) 0.21 ppb (3) 5.9 μg/m3 (6) 4.2 μg/m3 (18) 21.0
 
Jan. 15, 2021, 5 a.m. N/A N/A 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) 0.2 ppb (3) 2.6 μg/m3 (3) 1.6 μg/m3 (7) 23.0
 
Jan. 15, 2021, 4 a.m. N/A N/A 4.9 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (20) 0.22 ppb (3) 8.7 μg/m3 (9) 6.6 μg/m3 (28) 28.0
 
Jan. 15, 2021, 3 a.m. N/A N/A 8.6 ppb (9) 7.0 ppb (7) N/A 1.0 ppb (2) 21.0 ppb (20) 0.24 ppb (3) 22.6 μg/m3 (21) 13.4 μg/m3 (54) 54.0
 
Jan. 15, 2021, 2 a.m. N/A N/A 16.2 ppb (16) 13.0 ppb (13) N/A 1.0 ppb (2) 18.0 ppb (17) 0.3 ppb (4) 25.8 μg/m3 (24) 16.0 μg/m3 (60) 60.0
 
Jan. 15, 2021, 1 a.m. N/A N/A 17.6 ppb (17) 14.0 ppb (14) N/A 1.0 ppb (2) 17.0 ppb (16) 0.31 ppb (4) 28.9 μg/m3 (27) 16.6 μg/m3 (61) 61.0
 
Jan. 15, 2021, midnight N/A N/A 20.8 ppb (20) 17.0 ppb (17) N/A 1.0 ppb (2) 14.0 ppb (13) 0.34 ppb (4) 29.1 μg/m3 (27) 16.0 μg/m3 (60) 60.0
 
Jan. 14, 2021, 11 p.m. N/A N/A 18.2 ppb (18) 15.0 ppb (15) N/A 1.0 ppb (2) 16.0 ppb (15) 0.34 ppb (4) 26.4 μg/m3 (25) 14.5 μg/m3 (57) 57.0
 
Jan. 14, 2021, 10 p.m. N/A N/A 14.0 ppb (14) 11.0 ppb (11) N/A 1.0 ppb (2) 21.0 ppb (20) 0.3 ppb (4) 25.8 μg/m3 (24) 13.7 μg/m3 (55) 55.0
 
Jan. 14, 2021, 9 p.m. N/A N/A 12.2 ppb (12) 9.0 ppb (9) N/A 1.0 ppb (2) 23.0 ppb (22) 0.3 ppb (4) 24.0 μg/m3 (23) 13.9 μg/m3 (55) 55.0
 
Jan. 14, 2021, 8 p.m. N/A N/A 10.6 ppb (10) 7.0 ppb (7) N/A 1.0 ppb (2) 24.0 ppb (23) 0.27 ppb (4) 25.7 μg/m3 (24) 15.0 μg/m3 (58) 58.0
 
Jan. 14, 2021, 7 p.m. N/A N/A 10.2 ppb (10) 7.0 ppb (7) N/A 1.0 ppb (2) 24.0 ppb (23) 0.27 ppb (4) 22.9 μg/m3 (22) 13.9 μg/m3 (55) 55.0
 
Jan. 14, 2021, 6 p.m. N/A N/A 10.8 ppb (11) 7.0 ppb (7) N/A 1.0 ppb (2) 25.0 ppb (24) 0.26 ppb (4) 23.4 μg/m3 (22) 13.7 μg/m3 (55) 55.0
 
Jan. 14, 2021, 5 p.m. N/A N/A 12.5 ppb (12) 7.0 ppb (7) N/A 1.0 ppb (2) 24.0 ppb (23) 0.28 ppb (4) 24.8 μg/m3 (23) 13.3 μg/m3 (54) 54.0
 
Jan. 14, 2021, 4 p.m. N/A N/A 14.0 ppb (14) 9.0 ppb (9) N/A 1.0 ppb (2) 22.0 ppb (21) 0.27 ppb (4) 23.9 μg/m3 (23) 13.2 μg/m3 (54) 54.0
 
Jan. 14, 2021, 3 p.m. N/A N/A 14.7 ppb (14) 10.0 ppb (10) N/A 1.0 ppb (2) 21.0 ppb (20) 0.3 ppb (4) 22.1 μg/m3 (21) 12.7 μg/m3 (53) 53.0
 
Jan. 14, 2021, 2 p.m. N/A N/A 19.8 ppb (19) 13.0 ppb (13) N/A 1.0 ppb (2) 16.0 ppb (15) 0.31 ppb (4) 22.7 μg/m3 (22) 14.0 μg/m3 (55) 55.0
 
Jan. 14, 2021, 1 p.m. N/A N/A 33.6 ppb (32) 23.0 ppb (22) N/A 1.0 ppb (2) 6.0 ppb (6) 0.43 ppb (5) 26.0 μg/m3 (25) 15.2 μg/m3 (58) 58.0
 
Jan. 14, 2021, noon N/A N/A 25.5 ppb (25) 20.0 ppb (19) N/A 1.0 ppb (2) 9.0 ppb (9) 0.35 ppb (4) 27.0 μg/m3 (25) 15.7 μg/m3 (59) 59.0
 
Jan. 14, 2021, 11 a.m. N/A N/A 23.8 ppb (23) 19.0 ppb (18) N/A 1.0 ppb (2) 10.0 ppb (10) 0.31 ppb (4) 23.3 μg/m3 (22) 14.1 μg/m3 (56) 56.0
 
Jan. 14, 2021, 10 a.m. N/A N/A 19.8 ppb (19) 17.0 ppb (17) N/A 1.0 ppb (2) 14.0 ppb (13) 0.37 ppb (5) 21.8 μg/m3 (21) 13.4 μg/m3 (54) 54.0
 
Jan. 14, 2021, 9 a.m. N/A N/A 19.5 ppb (19) 17.0 ppb (17) N/A 1.0 ppb (2) 14.0 ppb (13) 0.27 ppb (4) 19.8 μg/m3 (19) 13.2 μg/m3 (54) 54.0
 
Jan. 14, 2021, 8 a.m. N/A N/A 17.5 ppb (17) 16.0 ppb (16) N/A 1.0 ppb (2) 15.0 ppb (14) 0.42 ppb (5) 24.4 μg/m3 (23) 15.8 μg/m3 (59) 59.0
 
Jan. 14, 2021, 7 a.m. N/A N/A 16.3 ppb (16) 16.0 ppb (16) N/A 1.0 ppb (2) 17.0 ppb (16) 0.28 ppb (4) 20.1 μg/m3 (19) 12.9 μg/m3 (53) 53.0
 
Jan. 14, 2021, 6 a.m. N/A N/A 13.4 ppb (13) 11.0 ppb (11) N/A 1.0 ppb (2) 21.0 ppb (20) 0.25 ppb (3) 18.9 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2021, 5 a.m. N/A N/A 13.3 ppb (13) 11.0 ppb (11) N/A 1.0 ppb (2) 22.0 ppb (21) 0.24 ppb (3) 19.6 μg/m3 (19) 12.3 μg/m3 (52) 52.0
 
Jan. 14, 2021, 3 a.m. N/A N/A 11.6 ppb (11) 9.0 ppb (9) N/A 1.0 ppb (2) 24.0 ppb (23) 0.25 ppb (3) 19.6 μg/m3 (19) 11.9 μg/m3 (50) 50.0
 
Jan. 14, 2021, 2 a.m. N/A N/A 16.0 ppb (16) 13.0 ppb (13) N/A 1.0 ppb (2) 21.0 ppb (20) 0.24 ppb (3) 21.4 μg/m3 (20) 12.5 μg/m3 (52) 52.0
 
Jan. 14, 2021, 1 a.m. N/A N/A 12.9 ppb (13) 11.0 ppb (11) N/A 1.0 ppb (2) 23.0 ppb (22) 0.24 ppb (3) 23.5 μg/m3 (22) 13.1 μg/m3 (54) 54.0
 
Jan. 14, 2021, midnight N/A N/A 15.2 ppb (15) 12.0 ppb (12) N/A 1.0 ppb (2) 24.0 ppb (23) 0.26 ppb (4) 26.7 μg/m3 (25) 13.4 μg/m3 (54) 54.0
 
Jan. 13, 2021, 11 p.m. N/A N/A 15.3 ppb (15) 12.0 ppb (12) N/A 2.0 ppb (3) 24.0 ppb (23) 0.24 ppb (3) 30.3 μg/m3 (29) 13.8 μg/m3 (55) 55.0
 
Jan. 13, 2021, 10 p.m. N/A N/A 17.1 ppb (17) 14.0 ppb (14) N/A 1.0 ppb (2) 24.0 ppb (23) 0.26 ppb (4) 33.8 μg/m3 (32) 13.5 μg/m3 (54) 54.0
 
Jan. 13, 2021, 9 p.m. N/A N/A 15.8 ppb (15) 12.0 ppb (12) N/A 1.0 ppb (2) 25.0 ppb (24) 0.26 ppb (4) 36.5 μg/m3 (34) 13.5 μg/m3 (54) 54.0
 
Jan. 13, 2021, 8 p.m. N/A N/A 13.6 ppb (13) 9.0 ppb (9) N/A 2.0 ppb (3) 27.0 ppb (25) 0.23 ppb (3) 37.5 μg/m3 (35) 14.1 μg/m3 (56) 56.0
 
Jan. 13, 2021, 7 p.m. N/A N/A 13.5 ppb (13) 8.0 ppb (8) N/A 2.0 ppb (3) 25.0 ppb (24) 0.24 ppb (3) 29.4 μg/m3 (28) 14.9 μg/m3 (57) 57.0
 
Jan. 13, 2021, 6 p.m. N/A N/A 13.3 ppb (13) 8.0 ppb (8) N/A 2.0 ppb (3) 24.0 ppb (23) 0.23 ppb (3) 37.9 μg/m3 (36) 16.3 μg/m3 (60) 60.0
 
Jan. 13, 2021, 5 p.m. N/A N/A 16.2 ppb (16) 9.0 ppb (9) N/A 2.0 ppb (3) 20.0 ppb (19) 0.24 ppb (3) 38.3 μg/m3 (36) 18.0 μg/m3 (64) 64.0
 
Jan. 13, 2021, 4 p.m. N/A N/A 18.8 ppb (18) 10.0 ppb (10) N/A 2.0 ppb (3) 18.0 ppb (17) 0.25 ppb (3) 33.7 μg/m3 (32) 18.5 μg/m3 (65) 65.0
 
Jan. 13, 2021, 3 p.m. N/A N/A 21.1 ppb (20) 12.0 ppb (12) N/A 1.0 ppb (2) 13.0 ppb (13) 0.27 ppb (4) 29.5 μg/m3 (28) 19.3 μg/m3 (67) 67.0
 
Jan. 13, 2021, 2 p.m. N/A N/A 23.4 ppb (23) 13.0 ppb (13) N/A 1.0 ppb (2) 11.0 ppb (11) 0.31 ppb (4) 27.4 μg/m3 (26) 19.4 μg/m3 (67) 67.0
 
Jan. 13, 2021, 1 p.m. N/A N/A 25.3 ppb (24) 16.0 ppb (16) N/A 1.0 ppb (2) 7.0 ppb (7) 0.32 ppb (4) 29.1 μg/m3 (27) 19.3 μg/m3 (67) 67.0
 
Jan. 13, 2021, noon N/A N/A 25.4 ppb (24) 18.0 ppb (17) N/A 1.0 ppb (2) 5.0 ppb (5) 0.32 ppb (4) 28.3 μg/m3 (27) 19.8 μg/m3 (68) 68.0
 
Jan. 13, 2021, 11 a.m. N/A N/A 22.5 ppb (22) 16.0 ppb (16) N/A 1.0 ppb (2) 6.0 ppb (6) 0.28 ppb (4) 30.1 μg/m3 (28) 20.9 μg/m3 (70) 70.0
 
Jan. 13, 2021, 10 a.m. N/A N/A 20.5 ppb (20) 15.0 ppb (15) N/A 1.0 ppb (2) 7.0 ppb (7) 0.24 ppb (3) 29.5 μg/m3 (28) 20.7 μg/m3 (70) 70.0
 
Jan. 13, 2021, 9 a.m. N/A N/A 16.6 ppb (16) 12.0 ppb (12) N/A 1.0 ppb (2) 9.0 ppb (9) 0.24 ppb (3) 29.0 μg/m3 (27) 20.6 μg/m3 (69) 69.0
 
Jan. 13, 2021, 8 a.m. N/A N/A 15.6 ppb (15) 12.0 ppb (12) N/A 1.0 ppb (2) 10.0 ppb (10) 0.23 ppb (3) 27.5 μg/m3 (26) 19.7 μg/m3 (67) 67.0
 
Jan. 13, 2021, 7 a.m. N/A N/A 22.3 ppb (22) 16.0 ppb (16) N/A 1.0 ppb (2) 7.0 ppb (7) 0.25 ppb (3) 28.3 μg/m3 (27) 19.5 μg/m3 (67) 67.0
 
Jan. 13, 2021, 6 a.m. N/A N/A 24.7 ppb (24) 19.0 ppb (18) N/A 1.0 ppb (2) 5.0 ppb (5) 0.27 ppb (4) 28.6 μg/m3 (27) 20.1 μg/m3 (68) 68.0
 
Jan. 13, 2021, 5 a.m. N/A N/A 22.5 ppb (22) 17.0 ppb (17) N/A 1.0 ppb (2) 6.0 ppb (6) 0.27 ppb (4) 28.1 μg/m3 (27) 20.3 μg/m3 (69) 69.0
 
Jan. 13, 2021, 4 a.m. N/A N/A 21.1 ppb (20) 16.0 ppb (16) N/A 1.0 ppb (2) 8.0 ppb (8) 0.27 ppb (4) 30.6 μg/m3 (29) 20.7 μg/m3 (70) 70.0
 
Jan. 13, 2021, 3 a.m. N/A N/A 20.3 ppb (20) 16.0 ppb (16) N/A 1.0 ppb (2) 9.0 ppb (9) 0.27 ppb (4) 29.5 μg/m3 (28) 20.3 μg/m3 (69) 69.0
 
Jan. 13, 2021, 2 a.m. N/A N/A 19.5 ppb (19) 15.0 ppb (15) N/A 1.0 ppb (2) 11.0 ppb (11) 0.26 ppb (4) 30.2 μg/m3 (28) 19.1 μg/m3 (66) 66.0
 
Jan. 13, 2021, 1 a.m. N/A N/A 20.6 ppb (20) 16.0 ppb (16) N/A 1.0 ppb (2) 11.0 ppb (11) 0.28 ppb (4) 29.3 μg/m3 (28) 17.8 μg/m3 (63) 63.0
 
Jan. 13, 2021, midnight N/A N/A 18.8 ppb (18) 15.0 ppb (15) N/A 1.0 ppb (2) 14.0 ppb (13) 0.3 ppb (4) 29.7 μg/m3 (28) 17.2 μg/m3 (62) 62.0
 
Jan. 12, 2021, 11 p.m. N/A N/A 22.9 ppb (22) 19.0 ppb (18) N/A 1.0 ppb (2) 10.0 ppb (10) 0.31 ppb (4) 31.1 μg/m3 (29) 16.2 μg/m3 (60) 60.0
 
Jan. 12, 2021, 10 p.m. N/A N/A 15.5 ppb (15) 12.0 ppb (12) N/A 1.0 ppb (2) 19.0 ppb (18) 0.27 ppb (4) 32.4 μg/m3 (30) 15.3 μg/m3 (58) 58.0
 
Jan. 12, 2021, 9 p.m. N/A N/A 13.8 ppb (14) 10.0 ppb (10) N/A 1.0 ppb (2) 22.0 ppb (21) 0.25 ppb (3) 33.9 μg/m3 (32) 14.8 μg/m3 (57) 57.0
 
Jan. 12, 2021, 8 p.m. N/A N/A 13.5 ppb (13) 8.0 ppb (8) N/A 1.0 ppb (2) 24.0 ppb (23) 0.26 ppb (4) 36.7 μg/m3 (34) 16.0 μg/m3 (60) 60.0
 
Jan. 12, 2021, 7 p.m. N/A N/A 14.8 ppb (14) 8.0 ppb (8) N/A 2.0 ppb (3) 21.0 ppb (20) 0.25 ppb (3) 44.2 μg/m3 (41) 18.5 μg/m3 (65) 65.0
 
Jan. 12, 2021, 6 p.m. N/A N/A 14.2 ppb (14) 7.0 ppb (7) N/A 1.0 ppb (2) 22.0 ppb (21) 0.25 ppb (3) 40.0 μg/m3 (38) 18.0 μg/m3 (64) 64.0
 
Jan. 12, 2021, 5 p.m. N/A N/A 14.0 ppb (14) 7.0 ppb (7) N/A 1.0 ppb (2) 20.0 ppb (19) 0.24 ppb (3) 44.3 μg/m3 (42) 17.9 μg/m3 (64) 64.0
 
Jan. 12, 2021, 4 p.m. N/A N/A 12.2 ppb (12) 6.0 ppb (6) N/A 1.0 ppb (2) 19.0 ppb (18) 0.24 ppb (3) 32.1 μg/m3 (30) 17.4 μg/m3 (63) 63.0
 
Jan. 12, 2021, 3 p.m. N/A N/A 12.7 ppb (12) 7.0 ppb (7) N/A 1.0 ppb (2) 17.0 ppb (16) 0.24 ppb (3) 26.8 μg/m3 (25) 18.6 μg/m3 (65) 65.0
 
Jan. 12, 2021, 2 p.m. N/A N/A 12.7 ppb (12) 8.0 ppb (8) N/A 1.0 ppb (2) 16.0 ppb (15) 0.26 ppb (4) 24.6 μg/m3 (23) 18.4 μg/m3 (65) 65.0
 
Jan. 12, 2021, 1 p.m. N/A N/A 14.1 ppb (14) 9.0 ppb (9) N/A 1.0 ppb (2) 14.0 ppb (13) 0.3 ppb (4) 24.7 μg/m3 (23) 18.2 μg/m3 (64) 64.0
 
Jan. 12, 2021, noon N/A N/A 13.9 ppb (14) 11.0 ppb (11) N/A 1.0 ppb (2) 12.0 ppb (12) 0.27 ppb (4) 24.2 μg/m3 (23) 18.3 μg/m3 (65) 65.0
 
Jan. 12, 2021, 11 a.m. N/A N/A 11.1 ppb (11) 9.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (13) 0.23 ppb (3) 21.8 μg/m3 (21) 17.4 μg/m3 (63) 63.0
 
Jan. 12, 2021, 10 a.m. N/A N/A 9.0 ppb (9) 7.0 ppb (7) N/A 0.0 ppb (0) 16.0 ppb (15) 0.21 ppb (3) 20.7 μg/m3 (20) 17.1 μg/m3 (62) 62.0
 
Jan. 12, 2021, 9 a.m. N/A N/A 7.7 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (15) 0.2 ppb (3) 24.8 μg/m3 (23) 19.3 μg/m3 (67) 67.0
 
Jan. 12, 2021, 8 a.m. N/A N/A 6.9 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (17) 0.19 ppb (3) 21.7 μg/m3 (21) 17.4 μg/m3 (63) 63.0
 
Jan. 12, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (18) 0.18 ppb (3) 21.9 μg/m3 (21) 16.5 μg/m3 (61) 61.0
 
Jan. 12, 2021, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (19) 0.19 ppb (3) 18.3 μg/m3 (17) 13.7 μg/m3 (55) 55.0
 
Jan. 12, 2021, 5 a.m. N/A N/A 7.6 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (17) 0.2 ppb (3) 20.4 μg/m3 (19) 15.1 μg/m3 (58) 58.0
 
Jan. 12, 2021, 4 a.m. N/A N/A 9.5 ppb (9) 7.0 ppb (7) N/A 0.0 ppb (0) 16.0 ppb (15) 0.21 ppb (3) 23.2 μg/m3 (22) 17.4 μg/m3 (63) 63.0
 
Jan. 12, 2021, 3 a.m. N/A N/A 8.9 ppb (9) 7.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (16) 0.22 ppb (3) 20.7 μg/m3 (20) 16.1 μg/m3 (60) 60.0
 
Jan. 12, 2021, 2 a.m. N/A N/A 9.7 ppb (10) 8.0 ppb (8) N/A 0.0 ppb (0) 17.0 ppb (16) N/A 18.5 μg/m3 (18) 14.2 μg/m3 (56) 56.0
 
Jan. 12, 2021, 1 a.m. N/A N/A 8.4 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 18.9 μg/m3 (18) 13.8 μg/m3 (55) 55.0
 
Jan. 12, 2021, midnight N/A N/A 8.3 ppb (8) 7.0 ppb (7) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 18.4 μg/m3 (18) 13.5 μg/m3 (54) 54.0
 
Jan. 11, 2021, 11 p.m. N/A N/A 8.7 ppb (9) 7.0 ppb (7) N/A 0.0 ppb (0) 19.0 ppb (18) 0.25 ppb (3) 19.9 μg/m3 (19) 14.5 μg/m3 (57) 57.0
 
Jan. 11, 2021, 10 p.m. N/A N/A 8.9 ppb (9) 7.0 ppb (7) N/A 0.0 ppb (0) 19.0 ppb (18) 0.25 ppb (3) 22.7 μg/m3 (22) 15.3 μg/m3 (58) 58.0
 
Jan. 11, 2021, 9 p.m. N/A N/A 10.0 ppb (10) 7.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (17) 0.27 ppb (4) 27.2 μg/m3 (26) 19.7 μg/m3 (67) 67.0
 
Jan. 11, 2021, 8 p.m. N/A N/A 8.8 ppb (9) 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (18) 0.25 ppb (3) 28.6 μg/m3 (27) 20.0 μg/m3 (68) 68.0
 
Jan. 11, 2021, 7 p.m. N/A N/A 9.5 ppb (9) 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (18) 0.26 ppb (4) 27.2 μg/m3 (26) 19.3 μg/m3 (67) 67.0
 
Jan. 11, 2021, 6 p.m. N/A N/A 8.1 ppb (8) 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (19) 0.37 ppb (5) 24.5 μg/m3 (23) 16.2 μg/m3 (60) 60.0
 
Jan. 11, 2021, 5 p.m. N/A N/A 6.4 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (22) 0.25 ppb (3) 19.6 μg/m3 (19) 13.2 μg/m3 (54) 54.0
 
Jan. 11, 2021, 4 p.m. N/A N/A 6.9 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (23) 0.22 ppb (3) 21.3 μg/m3 (20) 14.1 μg/m3 (56) 56.0
 
Jan. 11, 2021, 3 p.m. N/A N/A 8.4 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (22) 0.44 ppb (5) 25.4 μg/m3 (24) 17.0 μg/m3 (62) 62.0
 
Jan. 11, 2021, 2 p.m. N/A N/A 6.9 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 23.3 μg/m3 (22) 16.7 μg/m3 (61) 61.0
 
Jan. 11, 2021, 1 p.m. N/A N/A 6.6 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) 0.23 ppb (3) 22.5 μg/m3 (21) 15.8 μg/m3 (59) 59.0
 
Jan. 11, 2021, noon N/A N/A 5.3 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.22 ppb (3) 19.7 μg/m3 (19) 14.6 μg/m3 (57) 57.0
 
Jan. 11, 2021, 11 a.m. N/A N/A 6.6 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (23) 0.23 ppb (3) 19.0 μg/m3 (18) 15.9 μg/m3 (59) 59.0
 
Jan. 11, 2021, 10 a.m. N/A N/A 5.5 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.33 ppb (4) 17.9 μg/m3 (17) 15.2 μg/m3 (58) 58.0
 
Jan. 11, 2021, 9 a.m. N/A N/A 4.8 ppb (5) 4.0 ppb (4) N/A 1.0 ppb (2) 24.0 ppb (23) 0.21 ppb (3) 18.1 μg/m3 (17) 15.4 μg/m3 (58) 58.0
 
Jan. 11, 2021, 8 a.m. N/A N/A 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (22) 0.22 ppb (3) 16.6 μg/m3 (16) 14.6 μg/m3 (57) 57.0
 
Jan. 11, 2021, 7 a.m. N/A N/A 4.4 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) 0.21 ppb (3) 14.5 μg/m3 (14) 13.1 μg/m3 (54) 54.0
 
Jan. 11, 2021, 6 a.m. N/A N/A 4.4 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) 14.5 μg/m3 (14) 12.8 μg/m3 (53) 53.0
 
Jan. 11, 2021, 5 a.m. N/A N/A 4.3 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.21 ppb (3) 13.9 μg/m3 (13) 13.0 μg/m3 (53) 53.0
 
Jan. 11, 2021, 4 a.m. N/A N/A 4.8 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.28 ppb (4) 14.5 μg/m3 (14) 13.4 μg/m3 (54) 54.0
 
Jan. 11, 2021, 3 a.m. N/A N/A 5.7 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (24) 0.26 ppb (4) 15.7 μg/m3 (15) 14.8 μg/m3 (57) 57.0
 
Jan. 11, 2021, 2 a.m. N/A N/A 6.5 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (23) 0.32 ppb (4) 16.6 μg/m3 (16) 14.9 μg/m3 (57) 57.0
 
Jan. 11, 2021, 1 a.m. N/A N/A 6.8 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (23) 0.29 ppb (4) 16.7 μg/m3 (16) 15.2 μg/m3 (58) 58.0
 
Jan. 11, 2021, midnight N/A N/A 6.4 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (24) 0.23 ppb (3) 15.5 μg/m3 (15) 14.1 μg/m3 (56) 56.0
 
Jan. 10, 2021, 11 p.m. N/A N/A 6.9 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (23) 0.24 ppb (3) 15.8 μg/m3 (15) 14.6 μg/m3 (57) 57.0
 
Jan. 10, 2021, 10 p.m. N/A N/A 8.7 ppb (9) 7.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (22) 0.25 ppb (3) 17.8 μg/m3 (17) 16.6 μg/m3 (61) 61.0
 
Jan. 10, 2021, 9 p.m. N/A N/A 9.3 ppb (9) 7.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (22) 0.26 ppb (4) 19.8 μg/m3 (19) 17.5 μg/m3 (63) 63.0
 
Jan. 10, 2021, 8 p.m. N/A N/A 7.7 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (24) 0.27 ppb (4) 17.5 μg/m3 (17) 15.4 μg/m3 (58) 58.0
 
Jan. 10, 2021, 7 p.m. N/A N/A 8.2 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (23) 0.25 ppb (3) 19.7 μg/m3 (19) 15.7 μg/m3 (59) 59.0
 
Jan. 10, 2021, 6 p.m. N/A N/A 10.8 ppb (11) 7.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (21) 0.25 ppb (3) 21.2 μg/m3 (20) 17.0 μg/m3 (62) 62.0
 
Jan. 10, 2021, 5 p.m. N/A N/A 7.9 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (24) 0.23 ppb (3) 17.8 μg/m3 (17) 14.4 μg/m3 (56) 56.0
 
Jan. 10, 2021, 4 p.m. N/A N/A 8.2 ppb (8) 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (23) 0.23 ppb (3) 18.7 μg/m3 (18) 14.6 μg/m3 (57) 57.0
 
Jan. 10, 2021, 3 p.m. N/A N/A 14.0 ppb (14) 9.0 ppb (9) N/A 0.0 ppb (0) 18.0 ppb (17) 0.27 ppb (4) 20.8 μg/m3 (20) 16.4 μg/m3 (61) 61.0
 
Jan. 10, 2021, 2 p.m. N/A N/A 28.9 ppb (28) 18.0 ppb (17) N/A 0.0 ppb (0) 5.0 ppb (5) 0.37 ppb (5) 28.8 μg/m3 (27) 23.0 μg/m3 (74) 74.0
 
Jan. 10, 2021, 1 p.m. N/A N/A 33.3 ppb (32) 20.0 ppb (19) N/A 0.0 ppb (0) 1.0 ppb (1) 0.42 ppb (5) 29.5 μg/m3 (28) 23.9 μg/m3 (76) 76.0
 
Jan. 10, 2021, noon N/A N/A 35.0 ppb (34) 22.0 ppb (21) N/A 0.0 ppb (0) 0.0 ppb (0) 0.45 ppb (6) 30.4 μg/m3 (29) 25.3 μg/m3 (79) 79.0
 
Jan. 10, 2021, 11 a.m. N/A N/A 34.8 ppb (33) 23.0 ppb (22) N/A 0.0 ppb (0) 0.0 ppb (0) 0.41 ppb (5) 29.0 μg/m3 (27) 24.2 μg/m3 (77) 77.0
 
Jan. 10, 2021, 10 a.m. N/A N/A 33.8 ppb (32) 23.0 ppb (22) N/A 0.0 ppb (0) N/A 0.4 ppb (5) 26.5 μg/m3 (25) 22.9 μg/m3 (74) 74.0
 
Jan. 10, 2021, 9 a.m. N/A N/A 31.5 ppb (30) 23.0 ppb (22) N/A 0.0 ppb (0) 1.0 ppb (1) 0.44 ppb (5) 25.2 μg/m3 (24) 22.4 μg/m3 (73) 73.0
 
Jan. 10, 2021, 8 a.m. N/A N/A 48.5 ppb (46) 24.0 ppb (23) N/A 0.0 ppb (0) 0.0 ppb (0) 0.53 ppb (6) 30.5 μg/m3 (29) 26.2 μg/m3 (81) 81.0
 
Jan. 10, 2021, 7 a.m. N/A N/A 88.1 ppb (88) N/A N/A 1.0 ppb (2) 0.0 ppb (0) 0.92 ppb (11) 35.0 μg/m3 (33) 28.7 μg/m3 (86) 88.0
 
Jan. 10, 2021, 6 a.m. N/A N/A 93.8 ppb (94) N/A N/A 1.0 ppb (2) 1.0 ppb (1) 0.92 ppb (11) 39.9 μg/m3 (37) 31.6 μg/m3 (93) 94.0
 
Jan. 10, 2021, 5 a.m. N/A N/A 79.5 ppb (79) 23.0 ppb (22) N/A 0.0 ppb (0) 0.0 ppb (0) 0.76 ppb (10) 31.3 μg/m3 (29) 25.9 μg/m3 (81) 81.0
 
Jan. 10, 2021, 4 a.m. N/A N/A 48.6 ppb (46) 23.0 ppb (22) N/A 0.0 ppb (0) 0.0 ppb (0) 0.7 ppb (8) 33.5 μg/m3 (32) 28.6 μg/m3 (86) 86.0
 
Jan. 10, 2021, 3 a.m. N/A N/A 46.4 ppb (44) 23.0 ppb (22) N/A N/A 0.0 ppb (0) 0.65 ppb (8) 25.7 μg/m3 (24) 22.0 μg/m3 (72) 72.0
 
Jan. 10, 2021, 2 a.m. N/A N/A 31.6 ppb (30) 21.0 ppb (20) N/A N/A 3.0 ppb (3) 0.59 ppb (7) 23.0 μg/m3 (22) 19.9 μg/m3 (68) 68.0
 
Jan. 10, 2021, 1 a.m. N/A N/A 18.1 ppb (18) 14.0 ppb (14) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 21.4 μg/m3 (20) 18.6 μg/m3 (65) 65.0
 
Jan. 10, 2021, midnight N/A N/A 11.8 ppb (12) 10.0 ppb (10) N/A 0.0 ppb (0) 16.0 ppb (15) N/A 20.7 μg/m3 (20) 18.4 μg/m3 (65) 65.0
 
Jan. 9, 2021, 11 p.m. N/A N/A 10.6 ppb (10) 9.0 ppb (9) N/A 0.0 ppb (0) 17.0 ppb (16) 0.28 ppb (4) 19.8 μg/m3 (19) 17.6 μg/m3 (63) 63.0
 
Jan. 9, 2021, 10 p.m. N/A N/A 10.4 ppb (10) 8.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (18) 0.28 ppb (4) 20.1 μg/m3 (19) 17.5 μg/m3 (63) 63.0
 
Jan. 9, 2021, 9 p.m. N/A N/A 7.8 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (22) 0.25 ppb (3) 17.0 μg/m3 (16) 16.1 μg/m3 (60) 60.0
 
Jan. 9, 2021, 8 p.m. N/A N/A 6.6 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) 0.26 ppb (4) 17.0 μg/m3 (16) 14.4 μg/m3 (56) 56.0
 
Jan. 9, 2021, 7 p.m. N/A N/A 5.8 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.23 ppb (3) 14.5 μg/m3 (14) 14.1 μg/m3 (56) 56.0
 
Jan. 9, 2021, 6 p.m. N/A N/A 6.1 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.23 ppb (3) 15.5 μg/m3 (15) 14.8 μg/m3 (57) 57.0
 
Jan. 9, 2021, 5 p.m. N/A N/A 6.6 ppb (7) 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) 0.23 ppb (3) 16.3 μg/m3 (16) 15.4 μg/m3 (58) 58.0
 
Jan. 9, 2021, 4 p.m. N/A N/A 5.3 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (24) 0.22 ppb (3) 14.7 μg/m3 (14) 15.0 μg/m3 (58) 58.0
 
Jan. 9, 2021, 3 p.m. N/A N/A 5.2 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) 0.22 ppb (3) 14.7 μg/m3 (14) 15.4 μg/m3 (58) 58.0
 
Jan. 9, 2021, 2 p.m. N/A N/A 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) 0.22 ppb (3) 14.2 μg/m3 (14) 15.1 μg/m3 (58) 58.0
 
Jan. 9, 2021, 1 p.m. N/A N/A 5.1 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) 0.22 ppb (3) 15.2 μg/m3 (15) 14.5 μg/m3 (57) 57.0
 
Jan. 9, 2021, noon N/A N/A 3.9 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) 0.21 ppb (3) 13.6 μg/m3 (13) 13.3 μg/m3 (54) 54.0