ID: 688

AQSQID: 401091037

Site Name: North Okc

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

Updated: Jan. 18, 2021, 10:31 a.m.

Location: Edmond (University House), OK

Reporting: True, Located: True

Current AQI: 31.0

Edmond (University House) OK, US: 35.612801, -97.472198

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 18, 2021, 9 a.m. 25.0 ppb (24) 0.0 ppb (0) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 9.0 ppb (9) 0.4 ppb (5) 18.0 μg/m3 (17) 7.3 μg/m3 (31) 31.0
 
Jan. 18, 2021, 8 a.m. 30.0 ppb (29) 0.0 ppb (0) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 7.0 ppb (7) 0.4 ppb (5) 18.0 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
Jan. 18, 2021, 7 a.m. 25.0 ppb (24) 0.0 ppb (0) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 10.0 ppb (10) 0.5 ppb (6) 19.0 μg/m3 (18) 7.6 μg/m3 (32) 32.0
 
Jan. 18, 2021, 6 a.m. 34.0 ppb (33) 2.0 ppb (2) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 4.0 ppb (4) 0.6 ppb (7) 23.0 μg/m3 (22) 9.8 μg/m3 (41) 41.0
 
Jan. 18, 2021, 5 a.m. 50.0 ppb (48) 14.0 ppb (14) N/A 35.0 ppb (34) N/A 0.0 ppb (0) 1.0 ppb (1) 0.8 ppb (10) 30.0 μg/m3 (28) 13.9 μg/m3 (55) 55.0
 
Jan. 18, 2021, 4 a.m. 47.0 ppb (45) 12.0 ppb (12) N/A 34.0 ppb (33) N/A 0.0 ppb (0) 2.0 ppb (2) 0.7 ppb (8) 34.0 μg/m3 (32) 16.5 μg/m3 (61) 61.0
 
Jan. 18, 2021, 3 a.m. 36.0 ppb (34) 5.0 ppb (5) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 2.0 ppb (2) 0.6 ppb (7) 27.0 μg/m3 (25) 13.1 μg/m3 (54) 54.0
 
Jan. 18, 2021, 2 a.m. 35.0 ppb (34) 3.0 ppb (3) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 2.0 ppb (2) 0.6 ppb (7) 18.0 μg/m3 (17) 8.6 μg/m3 (36) 36.0
 
Jan. 18, 2021, 1 a.m. 31.0 ppb (30) 1.0 ppb (1) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 6.0 ppb (6) 0.5 ppb (6) 15.0 μg/m3 (14) 6.1 μg/m3 (26) 30.0
 
Jan. 18, 2021, midnight 9.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (27) 0.3 ppb (4) 10.0 μg/m3 (10) 3.7 μg/m3 (16) 27.0
 
Jan. 17, 2021, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.3 ppb (4) 8.0 μg/m3 (8) 1.5 μg/m3 (7) 36.0
 
Jan. 17, 2021, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) 0.3 ppb (4) 7.0 μg/m3 (7) 1.1 μg/m3 (5) 38.0
 
Jan. 17, 2021, 9 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 41.0 ppb (38) 0.3 ppb (4) 6.0 μg/m3 (6) 1.1 μg/m3 (5) 38.0
 
Jan. 17, 2021, 8 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) 0.3 ppb (4) 7.0 μg/m3 (7) 1.3 μg/m3 (6) 38.0
 
Jan. 17, 2021, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) 0.3 ppb (4) 8.0 μg/m3 (8) 1.3 μg/m3 (6) 37.0
 
Jan. 17, 2021, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) 0.3 ppb (4) 8.0 μg/m3 (8) 1.4 μg/m3 (6) 37.0
 
Jan. 17, 2021, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) 0.3 ppb (4) 9.0 μg/m3 (9) 1.6 μg/m3 (7) 35.0
 
Jan. 17, 2021, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.3 ppb (4) 9.0 μg/m3 (9) 1.4 μg/m3 (6) 34.0
 
Jan. 17, 2021, 3 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (27) 0.3 ppb (4) 9.0 μg/m3 (9) 2.1 μg/m3 (9) 27.0
 
Jan. 17, 2021, 2 p.m. 9.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 20.0 ppb (19) 0.3 ppb (4) 11.0 μg/m3 (11) 2.3 μg/m3 (10) 19.0
 
Jan. 17, 2021, 1 p.m. 7.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (19) 0.3 ppb (4) 11.0 μg/m3 (11) 2.2 μg/m3 (10) 19.0
 
Jan. 17, 2021, noon 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (18) 0.3 ppb (4) 11.0 μg/m3 (11) 2.5 μg/m3 (11) 18.0
 
Jan. 17, 2021, 11 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (19) 0.3 ppb (4) 10.0 μg/m3 (10) 2.4 μg/m3 (10) 19.0
 
Jan. 17, 2021, 10 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (17) 0.3 ppb (4) 13.0 μg/m3 (13) 3.3 μg/m3 (14) 17.0
 
Jan. 17, 2021, 9 a.m. 7.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 16.0 ppb (15) 0.3 ppb (4) 18.0 μg/m3 (17) 4.9 μg/m3 (21) 21.0
 
Jan. 17, 2021, 8 a.m. 12.0 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 11.0 ppb (11) 0.3 ppb (4) 34.0 μg/m3 (32) 8.4 μg/m3 (36) 36.0
 
Jan. 17, 2021, 7 a.m. 17.0 ppb (17) 0.0 ppb (0) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 8.0 ppb (8) 0.3 ppb (4) 49.0 μg/m3 (46) 11.1 μg/m3 (47) 47.0
 
Jan. 17, 2021, 6 a.m. 16.0 ppb (16) 0.0 ppb (0) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 11.0 ppb (11) 0.4 ppb (5) 60.0 μg/m3 (54) 13.6 μg/m3 (55) 55.0
 
Jan. 17, 2021, 5 a.m. 22.0 ppb (21) 0.0 ppb (0) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 8.0 ppb (8) 0.4 ppb (5) 61.0 μg/m3 (54) 15.5 μg/m3 (59) 59.0
 
Jan. 17, 2021, 4 a.m. 25.0 ppb (24) 1.0 ppb (1) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 6.0 ppb (6) 0.5 ppb (6) 67.0 μg/m3 (57) 16.4 μg/m3 (61) 61.0
 
Jan. 17, 2021, 3 a.m. 16.0 ppb (16) 0.0 ppb (0) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 16.0 ppb (15) 0.4 ppb (5) 63.0 μg/m3 (55) 18.3 μg/m3 (65) 65.0
 
Jan. 17, 2021, 2 a.m. 18.0 ppb (17) 0.0 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 15.0 ppb (14) 0.5 ppb (6) 56.0 μg/m3 (52) 16.6 μg/m3 (61) 61.0
 
Jan. 17, 2021, 1 a.m. 20.0 ppb (19) 0.0 ppb (0) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 15.0 ppb (14) 0.5 ppb (6) 41.0 μg/m3 (38) 12.7 μg/m3 (53) 53.0
 
Jan. 17, 2021, midnight 16.0 ppb (16) 0.0 ppb (0) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 20.0 ppb (19) 0.4 ppb (5) 31.0 μg/m3 (29) 8.3 μg/m3 (35) 35.0
 
Jan. 16, 2021, 11 p.m. 8.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 28.0 ppb (26) 0.4 ppb (5) 28.0 μg/m3 (26) 6.2 μg/m3 (26) 26.0
 
Jan. 16, 2021, 10 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.3 ppb (4) 20.0 μg/m3 (19) 3.9 μg/m3 (17) 31.0
 
Jan. 16, 2021, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.3 ppb (4) 21.0 μg/m3 (20) 3.0 μg/m3 (13) 37.0
 
Jan. 16, 2021, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.3 ppb (4) 23.0 μg/m3 (22) 3.3 μg/m3 (14) 36.0
 
Jan. 16, 2021, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.3 ppb (4) 24.0 μg/m3 (23) 3.5 μg/m3 (15) 35.0
 
Jan. 16, 2021, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.3 ppb (4) 18.0 μg/m3 (17) 3.1 μg/m3 (13) 33.0
 
Jan. 16, 2021, 5 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) 0.3 ppb (4) 13.0 μg/m3 (13) 3.2 μg/m3 (14) 29.0
 
Jan. 16, 2021, 4 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.3 ppb (4) 14.0 μg/m3 (13) 3.7 μg/m3 (16) 25.0
 
Jan. 16, 2021, 3 p.m. 7.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (22) 0.3 ppb (4) 18.0 μg/m3 (17) 3.7 μg/m3 (16) 22.0
 
Jan. 16, 2021, 2 p.m. 12.0 ppb (12) 1.0 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 17.0 ppb (16) 0.3 ppb (4) 17.0 μg/m3 (16) 3.4 μg/m3 (15) 16.0
 
Jan. 16, 2021, 1 p.m. 15.0 ppb (15) 0.0 ppb (0) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 12.0 ppb (12) 0.3 ppb (4) 20.0 μg/m3 (19) 3.6 μg/m3 (16) 19.0
 
Jan. 16, 2021, noon 10.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 17.0 ppb (16) 0.3 ppb (4) 15.0 μg/m3 (14) 3.3 μg/m3 (14) 16.0
 
Jan. 16, 2021, 11 a.m. 8.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (18) 0.3 ppb (4) 17.0 μg/m3 (16) 3.4 μg/m3 (15) 18.0
 
Jan. 16, 2021, 10 a.m. 8.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 20.0 ppb (19) 0.3 ppb (4) 17.0 μg/m3 (16) 3.4 μg/m3 (15) 19.0
 
Jan. 16, 2021, 9 a.m. 10.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 18.0 ppb (17) 0.3 ppb (4) 16.0 μg/m3 (15) 3.5 μg/m3 (15) 17.0
 
Jan. 16, 2021, 8 a.m. 7.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (20) 0.3 ppb (4) 14.0 μg/m3 (13) 3.3 μg/m3 (14) 20.0
 
Jan. 16, 2021, 7 a.m. 7.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (21) 0.3 ppb (4) 13.0 μg/m3 (13) 3.2 μg/m3 (14) 21.0
 
Jan. 16, 2021, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) 0.3 ppb (4) 16.0 μg/m3 (15) 3.4 μg/m3 (15) 25.0
 
Jan. 16, 2021, 5 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.3 ppb (4) 18.0 μg/m3 (17) 3.8 μg/m3 (16) 25.0
 
Jan. 16, 2021, 4 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.3 ppb (4) 23.0 μg/m3 (22) 4.4 μg/m3 (19) 25.0
 
Jan. 16, 2021, 3 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (27) 0.3 ppb (4) 28.0 μg/m3 (26) 4.7 μg/m3 (20) 27.0
 
Jan. 16, 2021, 2 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) 0.3 ppb (4) 33.0 μg/m3 (31) 4.9 μg/m3 (21) 31.0
 
Jan. 16, 2021, 1 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.3 ppb (4) 33.0 μg/m3 (31) 5.8 μg/m3 (25) 31.0
 
Jan. 16, 2021, midnight 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.3 ppb (4) 35.0 μg/m3 (33) 6.2 μg/m3 (26) 33.0
 
Jan. 15, 2021, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.3 ppb (4) 36.0 μg/m3 (34) 5.1 μg/m3 (22) 34.0
 
Jan. 15, 2021, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.3 ppb (4) 36.0 μg/m3 (34) 5.8 μg/m3 (25) 34.0
 
Jan. 15, 2021, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.3 ppb (4) 39.0 μg/m3 (37) 4.6 μg/m3 (20) 37.0
 
Jan. 15, 2021, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.2 ppb (3) 38.0 μg/m3 (36) 4.3 μg/m3 (18) 36.0
 
Jan. 15, 2021, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.2 ppb (3) 37.0 μg/m3 (35) 4.6 μg/m3 (20) 35.0
 
Jan. 15, 2021, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) 0.2 ppb (3) 40.0 μg/m3 (38) 4.9 μg/m3 (21) 38.0
 
Jan. 15, 2021, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) 46.0 μg/m3 (43) 4.9 μg/m3 (21) 43.0
 
Jan. 15, 2021, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) 60.0 μg/m3 (54) 5.8 μg/m3 (25) 54.0
 
Jan. 15, 2021, 3 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) 63.0 μg/m3 (55) 6.4 μg/m3 (27) 55.0
 
Jan. 15, 2021, 2 p.m. 7.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) 54.0 μg/m3 (50) 5.4 μg/m3 (23) 50.0
 
Jan. 15, 2021, 1 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) 39.0 μg/m3 (37) 4.2 μg/m3 (18) 37.0
 
Jan. 15, 2021, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) 25.0 μg/m3 (24) 3.1 μg/m3 (13) 29.0
 
Jan. 15, 2021, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) 20.0 μg/m3 (19) 2.6 μg/m3 (11) 30.0
 
Jan. 15, 2021, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) 17.0 μg/m3 (16) 2.1 μg/m3 (9) 30.0
 
Jan. 15, 2021, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) 14.0 μg/m3 (13) 2.1 μg/m3 (9) 30.0
 
Jan. 15, 2021, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) 14.0 μg/m3 (13) 2.2 μg/m3 (10) 31.0
 
Jan. 15, 2021, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) 14.0 μg/m3 (13) 1.9 μg/m3 (8) 32.0
 
Jan. 15, 2021, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.2 ppb (3) 22.0 μg/m3 (21) 2.9 μg/m3 (13) 33.0
 
Jan. 15, 2021, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) 29.0 μg/m3 (27) 3.5 μg/m3 (15) 32.0
 
Jan. 15, 2021, 4 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) 0.3 ppb (4) 41.0 μg/m3 (38) 4.5 μg/m3 (19) 38.0
 
Jan. 15, 2021, 3 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (28) 0.3 ppb (4) 38.0 μg/m3 (36) 4.8 μg/m3 (20) 36.0
 
Jan. 15, 2021, 2 a.m. 7.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (25) 0.3 ppb (4) 33.0 μg/m3 (31) 5.8 μg/m3 (25) 31.0
 
Jan. 15, 2021, 1 a.m. 8.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (25) 0.3 ppb (4) 37.0 μg/m3 (35) 5.2 μg/m3 (22) 35.0
 
Jan. 15, 2021, midnight 7.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (28) 0.3 ppb (4) 32.0 μg/m3 (30) 4.4 μg/m3 (19) 30.0
 
Jan. 14, 2021, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.3 ppb (4) 29.0 μg/m3 (27) 4.0 μg/m3 (17) 35.0
 
Jan. 14, 2021, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) 0.3 ppb (4) 27.0 μg/m3 (25) 3.4 μg/m3 (15) 37.0
 
Jan. 14, 2021, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) 0.3 ppb (4) 40.0 μg/m3 (38) 4.1 μg/m3 (18) 38.0
 
Jan. 14, 2021, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) 0.3 ppb (4) 39.0 μg/m3 (37) 4.1 μg/m3 (18) 38.0
 
Jan. 14, 2021, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) 0.3 ppb (4) 42.0 μg/m3 (39) 4.6 μg/m3 (20) 39.0
 
Jan. 14, 2021, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) 0.3 ppb (4) 49.0 μg/m3 (46) 5.9 μg/m3 (25) 46.0
 
Jan. 14, 2021, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) 0.3 ppb (4) 56.0 μg/m3 (52) 6.4 μg/m3 (27) 52.0
 
Jan. 14, 2021, 4 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.3 ppb (4) 48.0 μg/m3 (45) 7.1 μg/m3 (30) 45.0
 
Jan. 14, 2021, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.3 ppb (4) 41.0 μg/m3 (38) 6.1 μg/m3 (26) 38.0
 
Jan. 14, 2021, 2 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.3 ppb (4) 45.0 μg/m3 (42) 6.3 μg/m3 (27) 42.0
 
Jan. 14, 2021, 1 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.3 ppb (4) 56.0 μg/m3 (52) 7.0 μg/m3 (30) 52.0
 
Jan. 14, 2021, noon 12.0 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 16.0 ppb (15) 0.3 ppb (4) 32.0 μg/m3 (30) 7.3 μg/m3 (31) 31.0
 
Jan. 14, 2021, 11 a.m. 19.0 ppb (18) 0.0 ppb (0) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 10.0 ppb (10) 0.3 ppb (4) 18.0 μg/m3 (17) 8.3 μg/m3 (35) 35.0
 
Jan. 14, 2021, 10 a.m. 16.0 ppb (16) 0.0 ppb (0) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 12.0 ppb (12) 0.3 ppb (4) 13.0 μg/m3 (13) 7.3 μg/m3 (31) 31.0
 
Jan. 14, 2021, 9 a.m. 12.0 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 19.0 ppb (18) 0.3 ppb (4) 16.0 μg/m3 (15) 7.5 μg/m3 (32) 32.0
 
Jan. 14, 2021, 8 a.m. 10.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 22.0 ppb (21) 0.3 ppb (4) 14.0 μg/m3 (13) 7.3 μg/m3 (31) 31.0
 
Jan. 14, 2021, 7 a.m. 10.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (22) 0.3 ppb (4) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
Jan. 14, 2021, 6 a.m. 10.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (25) 0.3 ppb (4) 15.0 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
Jan. 14, 2021, 5 a.m. 9.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (27) 0.3 ppb (4) 17.0 μg/m3 (16) 6.6 μg/m3 (28) 28.0
 
Jan. 14, 2021, 4 a.m. 8.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 32.0 ppb (30) 0.3 ppb (4) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 30.0
 
Jan. 14, 2021, 3 a.m. 8.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 31.0 ppb (29) 0.3 ppb (4) 19.0 μg/m3 (18) 5.9 μg/m3 (25) 29.0
 
Jan. 14, 2021, 2 a.m. 10.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 28.0 ppb (26) 0.3 ppb (4) 18.0 μg/m3 (17) 6.4 μg/m3 (27) 27.0
 
Jan. 14, 2021, 1 a.m. 14.0 ppb (14) 0.0 ppb (0) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 25.0 ppb (24) 0.4 ppb (5) 24.0 μg/m3 (23) 7.9 μg/m3 (33) 33.0
 
Jan. 14, 2021, midnight 15.0 ppb (15) 0.0 ppb (0) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 24.0 ppb (23) 0.4 ppb (5) 25.0 μg/m3 (24) 8.2 μg/m3 (35) 35.0
 
Jan. 13, 2021, 11 p.m. 10.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 31.0 ppb (29) 0.4 ppb (5) 25.0 μg/m3 (24) 8.5 μg/m3 (36) 36.0
 
Jan. 13, 2021, 10 p.m. 7.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 37.0 ppb (35) 0.3 ppb (4) 25.0 μg/m3 (24) 7.7 μg/m3 (33) 35.0
 
Jan. 13, 2021, 9 p.m. 19.0 ppb (18) 9.0 ppb (9) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 38.0 ppb (36) 0.3 ppb (4) 30.0 μg/m3 (28) 7.5 μg/m3 (32) 36.0
 
Jan. 13, 2021, 8 p.m. 20.0 ppb (19) 9.0 ppb (9) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 36.0 ppb (34) 0.3 ppb (4) 28.0 μg/m3 (26) 8.7 μg/m3 (37) 37.0
 
Jan. 13, 2021, 7 p.m. 26.0 ppb (25) 12.0 ppb (12) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 31.0 ppb (29) 0.3 ppb (4) 31.0 μg/m3 (29) 11.7 μg/m3 (49) 49.0
 
Jan. 13, 2021, 6 p.m. 22.0 ppb (21) 8.0 ppb (8) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 28.0 ppb (26) 0.3 ppb (4) 34.0 μg/m3 (32) 14.6 μg/m3 (57) 57.0
 
Jan. 13, 2021, 5 p.m. 20.0 ppb (19) 7.0 ppb (7) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 24.0 ppb (23) 0.3 ppb (4) 36.0 μg/m3 (34) 16.7 μg/m3 (61) 61.0
 
Jan. 13, 2021, 4 p.m. 31.0 ppb (30) 13.0 ppb (13) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 19.0 ppb (18) 0.4 ppb (5) 38.0 μg/m3 (36) 19.5 μg/m3 (67) 67.0
 
Jan. 13, 2021, 3 p.m. 33.0 ppb (32) 12.0 ppb (12) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 14.0 ppb (13) 0.4 ppb (5) 38.0 μg/m3 (36) 21.5 μg/m3 (71) 71.0
 
Jan. 13, 2021, 2 p.m. 43.0 ppb (41) 17.0 ppb (17) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 9.0 ppb (9) 0.5 ppb (6) 43.0 μg/m3 (40) 21.9 μg/m3 (72) 72.0
 
Jan. 13, 2021, 1 p.m. 25.0 ppb (24) 2.0 ppb (2) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 6.0 ppb (6) 0.4 ppb (5) 27.0 μg/m3 (25) 19.4 μg/m3 (67) 67.0
 
Jan. 13, 2021, noon 23.0 ppb (22) 1.0 ppb (1) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 5.0 ppb (5) 0.4 ppb (5) 27.0 μg/m3 (25) 20.3 μg/m3 (69) 69.0
 
Jan. 13, 2021, 11 a.m. 18.0 ppb (17) 0.0 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 9.0 ppb (9) 0.3 ppb (4) 28.0 μg/m3 (26) 21.1 μg/m3 (70) 70.0
 
Jan. 13, 2021, 10 a.m. 13.0 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 14.0 ppb (13) 0.3 ppb (4) 25.0 μg/m3 (24) 19.3 μg/m3 (67) 67.0
 
Jan. 13, 2021, 9 a.m. 11.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 17.0 ppb (16) 0.3 ppb (4) 25.0 μg/m3 (24) 18.7 μg/m3 (65) 65.0
 
Jan. 13, 2021, 8 a.m. 11.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 19.0 ppb (18) 0.3 ppb (4) 25.0 μg/m3 (24) 18.3 μg/m3 (65) 65.0
 
Jan. 13, 2021, 7 a.m. 12.0 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 18.0 ppb (17) 0.3 ppb (4) 24.0 μg/m3 (23) 17.7 μg/m3 (63) 63.0
 
Jan. 13, 2021, 6 a.m. 11.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 19.0 ppb (18) 0.3 ppb (4) 21.0 μg/m3 (20) 16.6 μg/m3 (61) 61.0
 
Jan. 13, 2021, 5 a.m. 11.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (19) 0.3 ppb (4) 21.0 μg/m3 (20) 15.7 μg/m3 (59) 59.0
 
Jan. 13, 2021, 4 a.m. 11.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (20) 0.3 ppb (4) 24.0 μg/m3 (23) 14.6 μg/m3 (57) 57.0
 
Jan. 13, 2021, 3 a.m. 10.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (22) 0.3 ppb (4) 22.0 μg/m3 (21) 13.4 μg/m3 (54) 54.0
 
Jan. 13, 2021, 2 a.m. 10.0 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 24.0 ppb (23) 0.3 ppb (4) 24.0 μg/m3 (23) 13.1 μg/m3 (54) 54.0
 
Jan. 13, 2021, 1 a.m. 15.0 ppb (15) 0.0 ppb (0) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 20.0 ppb (19) 0.4 ppb (5) 29.0 μg/m3 (27) 14.7 μg/m3 (57) 57.0
 
Jan. 13, 2021, midnight 21.0 ppb (20) 0.0 ppb (0) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 19.0 ppb (18) 0.4 ppb (5) 33.0 μg/m3 (31) 13.7 μg/m3 (55) 55.0
 
Jan. 12, 2021, 11 p.m. 12.0 ppb (12) 0.0 ppb (0) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 30.0 ppb (28) 0.3 ppb (4) 33.0 μg/m3 (31) 12.2 μg/m3 (52) 52.0
 
Jan. 12, 2021, 10 p.m. 8.0 ppb (8) 0.0 ppb (0) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (32) 0.3 ppb (4) 31.0 μg/m3 (29) 11.5 μg/m3 (48) 48.0
 
Jan. 12, 2021, 9 p.m. 9.0 ppb (9) 1.0 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (30) 0.3 ppb (4) 28.0 μg/m3 (26) 12.8 μg/m3 (53) 53.0
 
Jan. 12, 2021, 8 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (31) 0.3 ppb (4) 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2021, 7 p.m. 9.0 ppb (9) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (30) 0.3 ppb (4) 28.0 μg/m3 (26) 12.3 μg/m3 (52) 52.0
 
Jan. 12, 2021, 6 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (29) 0.3 ppb (4) 19.0 μg/m3 (18) 12.1 μg/m3 (51) 51.0
 
Jan. 12, 2021, 5 p.m. 8.0 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (27) 0.3 ppb (4) 18.0 μg/m3 (17) 11.9 μg/m3 (50) 50.0
 
Jan. 12, 2021, 4 p.m. 17.0 ppb (17) 6.0 ppb (6) N/A 11.0 ppb (11) N/A N/A N/A 0.3 ppb (4) 20.0 μg/m3 (19) 13.0 μg/m3 (53) 53.0
 
Jan. 12, 2021, 3 p.m. 24.0 ppb (23) 9.0 ppb (9) N/A 15.0 ppb (15) N/A N/A N/A 0.4 ppb (5) 21.0 μg/m3 (20) 13.3 μg/m3 (54) 54.0
 
Jan. 12, 2021, 2 p.m. 31.0 ppb (30) 9.0 ppb (9) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 8.0 ppb (8) 0.5 ppb (6) 18.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2021, 1 p.m. 22.0 ppb (21) 2.0 ppb (2) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 7.0 ppb (7) 0.4 ppb (5) 16.0 μg/m3 (15) 11.2 μg/m3 (47) 47.0
 
Jan. 12, 2021, noon 17.0 ppb (17) 0.0 ppb (0) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 11.0 ppb (11) 0.3 ppb (4) 14.0 μg/m3 (13) 10.4 μg/m3 (44) 44.0
 
Jan. 12, 2021, 11 a.m. 14.0 ppb (14) 0.0 ppb (0) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 14.0 ppb (13) 0.3 ppb (4) 13.0 μg/m3 (13) 9.8 μg/m3 (41) 41.0
 
Jan. 12, 2021, 10 a.m. 13.0 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 14.0 ppb (13) 0.3 ppb (4) 13.0 μg/m3 (13) 9.2 μg/m3 (39) 39.0
 
Jan. 12, 2021, 9 a.m. 11.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 16.0 ppb (15) 0.3 ppb (4) 13.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2021, 8 a.m. 14.0 ppb (14) 0.0 ppb (0) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 12.0 ppb (12) 0.3 ppb (4) 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2021, 7 a.m. 18.0 ppb (17) 0.0 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 10.0 ppb (10) 0.3 ppb (4) 17.0 μg/m3 (16) 11.6 μg/m3 (49) 49.0
 
Jan. 12, 2021, 6 a.m. 14.0 ppb (14) 0.0 ppb (0) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 15.0 ppb (14) 0.3 ppb (4) 14.0 μg/m3 (13) 9.6 μg/m3 (40) 40.0
 
Jan. 12, 2021, 5 a.m. 15.0 ppb (15) 0.0 ppb (0) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 14.0 ppb (13) 0.3 ppb (4) 16.0 μg/m3 (15) 9.9 μg/m3 (42) 42.0
 
Jan. 12, 2021, 4 a.m. 26.0 ppb (25) 0.0 ppb (0) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 7.0 ppb (7) 0.4 ppb (5) 21.0 μg/m3 (20) 11.5 μg/m3 (48) 48.0
 
Jan. 12, 2021, 3 a.m. 40.0 ppb (38) 7.0 ppb (7) N/A 33.0 ppb (32) N/A 0.0 ppb (0) 2.0 ppb (2) 0.6 ppb (7) 29.0 μg/m3 (27) 12.3 μg/m3 (52) 52.0
 
Jan. 12, 2021, 2 a.m. 38.0 ppb (36) 6.0 ppb (6) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 3.0 ppb (3) 0.6 ppb (7) 27.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
Jan. 12, 2021, 1 a.m. 33.0 ppb (32) 1.0 ppb (1) N/A 32.0 ppb (31) N/A 0.0 ppb (0) 5.0 ppb (5) 0.5 ppb (6) 26.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2021, midnight 26.0 ppb (25) 0.0 ppb (0) N/A 26.0 ppb (25) N/A 0.0 ppb (0) 14.0 ppb (13) 0.5 ppb (6) 21.0 μg/m3 (20) 8.5 μg/m3 (36) 36.0
 
Jan. 11, 2021, 11 p.m. 8.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 32.0 ppb (30) 0.3 ppb (4) 12.0 μg/m3 (12) 4.8 μg/m3 (20) 30.0
 
Jan. 11, 2021, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.2 ppb (3) 11.0 μg/m3 (11) 4.7 μg/m3 (20) 36.0
 
Jan. 11, 2021, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.2 ppb (3) 10.0 μg/m3 (10) 4.9 μg/m3 (21) 37.0
 
Jan. 11, 2021, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.2 ppb (3) 11.0 μg/m3 (11) 5.6 μg/m3 (24) 36.0
 
Jan. 11, 2021, 7 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.3 ppb (4) 14.0 μg/m3 (13) 7.5 μg/m3 (32) 33.0
 
Jan. 11, 2021, 6 p.m. 8.0 ppb (8) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (30) 0.3 ppb (4) 19.0 μg/m3 (18) 10.9 μg/m3 (46) 46.0
 
Jan. 11, 2021, 5 p.m. 10.0 ppb (10) 2.0 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (27) 0.3 ppb (4) 21.0 μg/m3 (20) 12.9 μg/m3 (53) 53.0
 
Jan. 11, 2021, 4 p.m. 15.0 ppb (15) 5.0 ppb (5) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (22) 0.3 ppb (4) 28.0 μg/m3 (26) 17.2 μg/m3 (62) 62.0
 
Jan. 11, 2021, 3 p.m. 29.0 ppb (28) 12.0 ppb (12) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 13.0 ppb (13) 0.4 ppb (5) 28.0 μg/m3 (26) 16.6 μg/m3 (61) 61.0
 
Jan. 11, 2021, 2 p.m. 56.0 ppb (54) 32.0 ppb (31) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 3.0 ppb (3) 0.6 ppb (7) 24.0 μg/m3 (23) 15.3 μg/m3 (58) 58.0
 
Jan. 11, 2021, 1 p.m. 40.0 ppb (38) 20.0 ppb (19) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) 23.0 μg/m3 (22) 14.8 μg/m3 (57) 57.0
 
Jan. 11, 2021, noon 18.0 ppb (17) 1.0 ppb (1) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 4.0 ppb (4) 0.3 ppb (4) 22.0 μg/m3 (21) 14.4 μg/m3 (56) 56.0
 
Jan. 11, 2021, 11 a.m. 21.0 ppb (20) 1.0 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 4.0 ppb (4) 0.3 ppb (4) 23.0 μg/m3 (22) 15.5 μg/m3 (59) 59.0
 
Jan. 11, 2021, 10 a.m. 22.0 ppb (21) 1.0 ppb (1) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 5.0 ppb (5) 0.3 ppb (4) 22.0 μg/m3 (21) 15.0 μg/m3 (58) 58.0