AQSQID: 401091037

Site Name: North Okc

Location: Edmond (University House), OK

Reporting: True, Located: True

Current AQI: 38.0

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. 29, 2020, 4 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 14.0 μg/m3 (13) 9.1 μg/m3 (38) 38.0
 
Jan. 29, 2020, 3 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 13.0 μg/m3 (12) 8.5 μg/m3 (35) 35.0
 
Jan. 29, 2020, 2 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 15.0 μg/m3 (14) 10.1 μg/m3 (42) 42.0
 
Jan. 29, 2020, 1 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 14.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Jan. 29, 2020, noon 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) 14.0 μg/m3 (13) 10.9 μg/m3 (45) 45.0
 
Jan. 29, 2020, 11 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 14.0 μg/m3 (13) 10.7 μg/m3 (45) 45.0
 
Jan. 29, 2020, 10 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 12.0 μg/m3 (11) 9.7 μg/m3 (40) 40.0
 
Jan. 29, 2020, 9 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 12.0 μg/m3 (11) 9.6 μg/m3 (40) 40.0
 
Jan. 29, 2020, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 12.0 μg/m3 (11) 9.7 μg/m3 (40) 40.0
 
Jan. 29, 2020, 7 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 11.0 μg/m3 (10) 9.2 μg/m3 (38) 38.0
 
Jan. 29, 2020, 6 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 9.0 μg/m3 (8) 7.5 μg/m3 (31) 31.0
 
Jan. 29, 2020, 5 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) 8.0 μg/m3 (7) 6.7 μg/m3 (28) 28.0
 
Jan. 29, 2020, 4 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 6.0 μg/m3 (5) 4.8 μg/m3 (20) 20.0
 
Jan. 29, 2020, 3 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 5.0 μg/m3 (5) 4.2 μg/m3 (18) 18.0
 
Jan. 29, 2020, 2 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 4.0 μg/m3 (4) 3.4 μg/m3 (14) 16.0
 
Jan. 29, 2020, 1 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 4.0 μg/m3 (4) 3.5 μg/m3 (15) 17.0
 
Jan. 29, 2020, midnight 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 4.0 μg/m3 (4) 3.3 μg/m3 (14) 18.0
 
Jan. 28, 2020, 11 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 4.0 μg/m3 (4) 3.1 μg/m3 (13) 18.0
 
Jan. 28, 2020, 10 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 3.0 μg/m3 (3) 2.5 μg/m3 (10) 17.0
 
Jan. 28, 2020, 9 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 2.0 μg/m3 (2) 2.2 μg/m3 (9) 18.0
 
Jan. 28, 2020, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 3.0 μg/m3 (3) 2.4 μg/m3 (10) 18.0
 
Jan. 28, 2020, 7 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 4.0 μg/m3 (4) 3.2 μg/m3 (13) 17.0
 
Jan. 28, 2020, 6 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 4.0 μg/m3 (4) 3.4 μg/m3 (14) 17.0
 
Jan. 28, 2020, 5 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 5.0 μg/m3 (5) 4.1 μg/m3 (17) 17.0
 
Jan. 28, 2020, 4 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 7.0 μg/m3 (6) 5.5 μg/m3 (23) 23.0
 
Jan. 28, 2020, 3 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 11.0 μg/m3 (10) 9.1 μg/m3 (38) 38.0
 
Jan. 28, 2020, 2 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 12.0 μg/m3 (11) 9.6 μg/m3 (40) 40.0
 
Jan. 28, 2020, 1 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) 14.0 μg/m3 (13) 11.4 μg/m3 (48) 48.0
 
Jan. 28, 2020, noon 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) 15.0 μg/m3 (14) 11.9 μg/m3 (50) 50.0
 
Jan. 28, 2020, 11 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 14.0 μg/m3 (13) 10.4 μg/m3 (43) 43.0
 
Jan. 28, 2020, 10 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 17.0 μg/m3 (15) 12.4 μg/m3 (51) 51.0
 
Jan. 28, 2020, 9 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 16.0 μg/m3 (15) 10.9 μg/m3 (45) 45.0
 
Jan. 28, 2020, 8 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) 15.0 μg/m3 (14) 11.3 μg/m3 (47) 47.0
 
Jan. 28, 2020, 7 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.3 ppb (3) 15.0 μg/m3 (14) 12.1 μg/m3 (50) 50.0
 
Jan. 28, 2020, 6 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 (23) 0.3 ppb (3) 13.0 μg/m3 (12) 9.9 μg/m3 (41) 41.0
 
Jan. 28, 2020, 5 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) 13.0 μg/m3 (12) 9.1 μg/m3 (38) 38.0
 
Jan. 28, 2020, 4 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) 14.0 μg/m3 (13) 10.3 μg/m3 (43) 43.0
 
Jan. 28, 2020, 3 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) 15.0 μg/m3 (14) 10.9 μg/m3 (45) 45.0
 
Jan. 28, 2020, 2 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) 14.0 μg/m3 (13) 8.2 μg/m3 (34) 34.0
 
Jan. 28, 2020, 1 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (29) 0.3 ppb (3) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Jan. 28, 2020, midnight 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) 15.0 μg/m3 (14) 5.6 μg/m3 (23) 28.0
 
Jan. 27, 2020, 11 p.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) 10.0 μg/m3 (9) 4.2 μg/m3 (18) 33.0
 
Jan. 27, 2020, 10 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) 9.0 μg/m3 (8) 3.7 μg/m3 (15) 36.0
 
Jan. 27, 2020, 9 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) 12.0 μg/m3 (11) 4.1 μg/m3 (17) 38.0
 
Jan. 27, 2020, 8 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) 17.0 μg/m3 (15) 4.8 μg/m3 (20) 38.0
 
Jan. 27, 2020, 7 p.m. 9.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (35) 0.3 ppb (3) 16.0 μg/m3 (15) 5.5 μg/m3 (23) 35.0
 
Jan. 27, 2020, 6 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) 16.0 μg/m3 (15) 7.1 μg/m3 (30) 34.0
 
Jan. 27, 2020, 5 p.m. 12.0 ppb (11) 2.0 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 41.0 ppb (32) 0.3 ppb (3) 19.0 μg/m3 (17) 9.6 μg/m3 (40) 40.0
 
Jan. 27, 2020, 4 p.m. 21.0 ppb (19) 5.0 ppb (5) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 31.0 ppb (24) 0.4 ppb (4) 28.0 μg/m3 (25) 14.9 μg/m3 (56) 56.0
 
Jan. 27, 2020, 3 p.m. 70.0 ppb (67) 33.0 ppb (31) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 10.0 ppb (8) 0.7 ppb (8) 39.0 μg/m3 (35) 22.7 μg/m3 (73) 73.0
 
Jan. 27, 2020, 2 p.m. 82.0 ppb (80) 50.0 ppb (46) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 3.0 ppb (2) 1.0 ppb (11) 36.0 μg/m3 (33) 22.7 μg/m3 (73) 80.0
 
Jan. 27, 2020, 1 p.m. 68.0 ppb (65) 38.0 ppb (35) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) 34.0 μg/m3 (31) 22.5 μg/m3 (72) 72.0
 
Jan. 27, 2020, noon 58.0 ppb (54) 27.0 ppb (25) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 0.0 ppb (0) 0.7 ppb (8) 31.0 μg/m3 (28) 22.6 μg/m3 (73) 73.0
 
Jan. 27, 2020, 11 a.m. 79.0 ppb (77) 47.0 ppb (44) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 0.0 ppb (0) 0.9 ppb (10) 36.0 μg/m3 (33) 25.2 μg/m3 (78) 78.0
 
Jan. 27, 2020, 10 a.m. 102.0 ppb (100) 69.0 ppb (66) N/A 32.0 ppb (30) N/A 0.0 ppb (0) 1.0 ppb (1) 1.1 ppb (12) 40.0 μg/m3 (36) 28.0 μg/m3 (84) 100.0
 
Jan. 27, 2020, 9 a.m. 74.0 ppb (71) 47.0 ppb (44) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 1.0 ppb (1) 0.9 ppb (10) 33.0 μg/m3 (30) 23.3 μg/m3 (74) 74.0
 
Jan. 27, 2020, 8 a.m. 64.0 ppb (61) 35.0 ppb (32) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 1.0 ppb (1) 0.8 ppb (9) 33.0 μg/m3 (30) 24.4 μg/m3 (76) 76.0
 
Jan. 27, 2020, 7 a.m. 58.0 ppb (54) 30.0 ppb (28) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) 30.0 μg/m3 (27) 21.3 μg/m3 (70) 70.0
 
Jan. 27, 2020, 6 a.m. 54.0 ppb (50) 33.0 ppb (31) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 0.0 ppb (0) 0.7 ppb (8) 28.0 μg/m3 (25) 19.5 μg/m3 (66) 66.0
 
Jan. 27, 2020, 5 a.m. 48.0 ppb (44) 18.0 ppb (17) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 2.0 ppb (2) 0.7 ppb (8) 31.0 μg/m3 (28) 21.0 μg/m3 (69) 69.0
 
Jan. 27, 2020, 4 a.m. 51.0 ppb (47) 21.0 ppb (19) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 1.0 ppb (1) 0.8 ppb (9) 30.0 μg/m3 (27) 19.2 μg/m3 (65) 65.0
 
Jan. 27, 2020, 3 a.m. 39.0 ppb (36) 11.0 ppb (10) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 1.0 ppb (1) 0.8 ppb (9) 29.0 μg/m3 (26) 18.9 μg/m3 (65) 65.0
 
Jan. 27, 2020, 2 a.m. 29.0 ppb (27) 0.0 ppb (0) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 7.0 ppb (5) 0.6 ppb (7) 29.0 μg/m3 (26) 19.8 μg/m3 (67) 67.0
 
Jan. 27, 2020, 1 a.m. 18.0 ppb (17) 0.0 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 19.0 ppb (15) 0.4 ppb (4) 26.0 μg/m3 (24) 17.9 μg/m3 (63) 63.0
 
Jan. 27, 2020, midnight 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) 22.0 μg/m3 (20) 14.0 μg/m3 (54) 54.0
 
Jan. 26, 2020, 11 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.3 ppb (3) 16.0 μg/m3 (15) 10.9 μg/m3 (45) 45.0
 
Jan. 26, 2020, 10 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 26, 2020, 9 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 41.0 ppb (32) 0.2 ppb (2) 17.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 26, 2020, 8 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 38.0 ppb (29) 0.2 ppb (2) 16.0 μg/m3 (15) 10.6 μg/m3 (44) 44.0
 
Jan. 26, 2020, 7 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 35.0 ppb (27) 0.3 ppb (3) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 26, 2020, 6 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 33.0 ppb (25) 0.3 ppb (3) 14.0 μg/m3 (13) 9.8 μg/m3 (41) 41.0
 
Jan. 26, 2020, 5 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 27.0 ppb (21) 0.3 ppb (3) 16.0 μg/m3 (15) 11.4 μg/m3 (48) 48.0
 
Jan. 26, 2020, 4 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 18.0 ppb (14) 0.3 ppb (3) 20.0 μg/m3 (18) 13.7 μg/m3 (54) 54.0
 
Jan. 26, 2020, 3 p.m. 12.0 ppb (11) 5.0 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) 0.3 ppb (3) 15.0 μg/m3 (14) 12.5 μg/m3 (51) 51.0
 
Jan. 26, 2020, 2 p.m. 15.0 ppb (14) 4.0 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 7.0 ppb (5) 0.3 ppb (3) 14.0 μg/m3 (13) 11.3 μg/m3 (47) 47.0
 
Jan. 26, 2020, 1 p.m. 16.0 ppb (15) 2.0 ppb (2) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) 13.0 μg/m3 (12) 9.9 μg/m3 (41) 41.0
 
Jan. 26, 2020, noon 16.0 ppb (15) 1.0 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) 12.0 μg/m3 (11) 8.4 μg/m3 (35) 35.0
 
Jan. 26, 2020, 11 a.m. 18.0 ppb (17) 1.0 ppb (1) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) 14.0 μg/m3 (13) 8.3 μg/m3 (35) 35.0
 
Jan. 26, 2020, 10 a.m. 16.0 ppb (15) 0.0 ppb (0) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 7.0 ppb (5) 0.3 ppb (3) 12.0 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
Jan. 26, 2020, 9 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 15.0 ppb (12) 0.3 ppb (3) 14.0 μg/m3 (13) 7.2 μg/m3 (30) 30.0
 
Jan. 26, 2020, 8 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 18.0 ppb (14) 0.3 ppb (3) 13.0 μg/m3 (12) 7.2 μg/m3 (30) 30.0
 
Jan. 26, 2020, 7 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (17) 0.3 ppb (3) 12.0 μg/m3 (11) 6.5 μg/m3 (27) 27.0
 
Jan. 26, 2020, 6 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) 11.0 μg/m3 (10) 5.9 μg/m3 (25) 25.0
 
Jan. 26, 2020, 5 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) 13.0 μg/m3 (12) 5.9 μg/m3 (25) 25.0
 
Jan. 26, 2020, 4 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) N/A 7.5 μg/m3 (31) 31.0
 
Jan. 26, 2020, 3 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) 15.0 μg/m3 (14) 7.8 μg/m3 (32) 32.0
 
Jan. 26, 2020, 2 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.3 ppb (3) 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
Jan. 26, 2020, 1 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (23) 0.3 ppb (3) 15.0 μg/m3 (14) 8.2 μg/m3 (34) 34.0
 
Jan. 26, 2020, midnight 14.0 ppb (13) 1.0 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) 13.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
Jan. 25, 2020, 11 p.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.3 ppb (3) 13.0 μg/m3 (12) 6.4 μg/m3 (27) 30.0
 
Jan. 25, 2020, 10 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) 13.0 μg/m3 (12) 6.1 μg/m3 (25) 32.0
 
Jan. 25, 2020, 9 p.m. 9.0 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) 12.0 μg/m3 (11) 5.5 μg/m3 (23) 31.0
 
Jan. 25, 2020, 8 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) 10.0 μg/m3 (9) 4.9 μg/m3 (20) 32.0
 
Jan. 25, 2020, 7 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (31) 0.3 ppb (3) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 31.0
 
Jan. 25, 2020, 6 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 11.0 μg/m3 (10) 5.2 μg/m3 (22) 27.0
 
Jan. 25, 2020, 5 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) 0.3 ppb (3) 11.0 μg/m3 (10) 5.7 μg/m3 (24) 24.0
 
Jan. 25, 2020, 4 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) 12.0 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
Jan. 25, 2020, 3 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) 0.3 ppb (3) 11.0 μg/m3 (10) 7.8 μg/m3 (32) 32.0
 
Jan. 25, 2020, 2 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) 12.0 μg/m3 (11) 9.2 μg/m3 (38) 38.0
 
Jan. 25, 2020, 1 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) 12.0 μg/m3 (11) 9.2 μg/m3 (38) 38.0
 
Jan. 25, 2020, noon 8.0 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.3 ppb (3) 10.0 μg/m3 (9) 8.3 μg/m3 (35) 35.0
 
Jan. 25, 2020, 11 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) 10.0 μg/m3 (9) 7.8 μg/m3 (32) 32.0
 
Jan. 25, 2020, 10 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) 10.0 μg/m3 (9) 7.5 μg/m3 (31) 31.0
 
Jan. 25, 2020, 9 a.m. 11.0 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) 10.0 μg/m3 (9) 7.2 μg/m3 (30) 30.0
 
Jan. 25, 2020, 8 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) 9.0 μg/m3 (8) 6.9 μg/m3 (29) 29.0
 
Jan. 25, 2020, 7 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 9.0 μg/m3 (8) 6.1 μg/m3 (25) 25.0
 
Jan. 25, 2020, 6 a.m. 10.0 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 9.0 μg/m3 (8) 5.7 μg/m3 (24) 24.0
 
Jan. 25, 2020, 5 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 9.0 μg/m3 (8) 5.4 μg/m3 (23) 23.0
 
Jan. 25, 2020, 4 a.m. 8.0 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 8.0 μg/m3 (7) 5.4 μg/m3 (23) 23.0
 
Jan. 25, 2020, 3 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 25, 2020, 2 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (18) 0.3 ppb (3) 12.0 μg/m3 (11) 7.5 μg/m3 (31) 31.0
 
Jan. 25, 2020, 1 a.m. 22.0 ppb (20) 2.0 ppb (2) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 15.0 ppb (12) 0.4 ppb (4) 20.0 μg/m3 (18) 13.5 μg/m3 (53) 53.0
 
Jan. 25, 2020, midnight 11.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) 13.0 μg/m3 (12) 6.8 μg/m3 (28) 28.0
 
Jan. 24, 2020, 11 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) 9.0 μg/m3 (8) 4.9 μg/m3 (20) 28.0
 
Jan. 24, 2020, 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 (29) 0.2 ppb (2) 8.0 μg/m3 (7) 4.7 μg/m3 (20) 29.0
 
Jan. 24, 2020, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) 9.0 μg/m3 (8) 4.9 μg/m3 (20) 29.0
 
Jan. 24, 2020, 8 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 (29) 0.2 ppb (2) 8.0 μg/m3 (7) 5.1 μg/m3 (21) 29.0
 
Jan. 24, 2020, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 9.0 μg/m3 (8) 5.7 μg/m3 (24) 27.0
 
Jan. 24, 2020, 6 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) 12.0 μg/m3 (11) 6.3 μg/m3 (26) 26.0
 
Jan. 24, 2020, 5 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) N/A N/A 24.0
 
Jan. 24, 2020, 4 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) 8.0 μg/m3 (7) 6.1 μg/m3 (25) 25.0
 
Jan. 24, 2020, 3 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 9.0 μg/m3 (8) 6.2 μg/m3 (26) 26.0
 
Jan. 24, 2020, 2 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) 10.0 μg/m3 (9) 6.6 μg/m3 (28) 28.0
 
Jan. 24, 2020, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) 8.0 μg/m3 (7) 6.1 μg/m3 (25) 25.0
 
Jan. 24, 2020, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) 8.0 μg/m3 (7) 5.9 μg/m3 (25) 26.0
 
Jan. 24, 2020, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) 8.0 μg/m3 (7) 5.6 μg/m3 (23) 23.0
 
Jan. 24, 2020, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2020, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.2 ppb (2) 6.0 μg/m3 (5) 4.7 μg/m3 (20) 22.0
 
Jan. 24, 2020, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 4.0 μg/m3 (4) 3.3 μg/m3 (14) 19.0
 
Jan. 24, 2020, 7 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 3.0 μg/m3 (3) 2.6 μg/m3 (11) 18.0
 
Jan. 24, 2020, 6 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 4.0 μg/m3 (4) 2.1 μg/m3 (9) 17.0
 
Jan. 24, 2020, 5 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) 4.0 μg/m3 (4) 1.7 μg/m3 (7) 13.0
 
Jan. 24, 2020, 4 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 3.0 μg/m3 (3) 1.2 μg/m3 (5) 18.0
 
Jan. 24, 2020, 3 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) 3.0 μg/m3 (3) 1.7 μg/m3 (7) 21.0
 
Jan. 24, 2020, 2 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 (25) 0.2 ppb (2) 4.0 μg/m3 (4) 1.9 μg/m3 (8) 25.0
 
Jan. 24, 2020, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) 4.0 μg/m3 (4) 1.6 μg/m3 (7) 25.0
 
Jan. 24, 2020, midnight 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 6.0 μg/m3 (5) 1.3 μg/m3 (5) 27.0
 
Jan. 23, 2020, 11 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 30.0
 
Jan. 23, 2020, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) 5.0 μg/m3 (5) 0.8 μg/m3 (3) 32.0
 
Jan. 23, 2020, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) 3.0 μg/m3 (3) 0.7 μg/m3 (3) 31.0
 
Jan. 23, 2020, 8 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 (30) 0.2 ppb (2) 5.0 μg/m3 (5) 0.9 μg/m3 (4) 30.0
 
Jan. 23, 2020, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 4.0 μg/m3 (4) 1.5 μg/m3 (6) 27.0
 
Jan. 23, 2020, 6 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 (26) 0.2 ppb (2) 4.0 μg/m3 (4) 1.8 μg/m3 (8) 26.0
 
Jan. 23, 2020, 5 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) 4.0 μg/m3 (4) 2.4 μg/m3 (10) 23.0
 
Jan. 23, 2020, 4 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 6.0 μg/m3 (5) 3.6 μg/m3 (15) 19.0
 
Jan. 23, 2020, 3 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 9.0 μg/m3 (8) 5.6 μg/m3 (23) 23.0
 
Jan. 23, 2020, 2 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) 13.0 μg/m3 (12) 9.3 μg/m3 (39) 39.0
 
Jan. 23, 2020, 1 p.m. 8.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) 0.3 ppb (3) 14.0 μg/m3 (13) 11.3 μg/m3 (47) 47.0
 
Jan. 23, 2020, noon 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) 16.0 μg/m3 (15) 11.2 μg/m3 (47) 47.0
 
Jan. 23, 2020, 11 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (7) 0.3 ppb (3) 14.0 μg/m3 (13) 9.5 μg/m3 (40) 40.0
 
Jan. 23, 2020, 10 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 9.0 ppb (7) 0.3 ppb (3) 11.0 μg/m3 (10) 8.6 μg/m3 (36) 36.0
 
Jan. 23, 2020, 9 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) 11.0 μg/m3 (10) 8.8 μg/m3 (37) 37.0
 
Jan. 23, 2020, 8 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.2 ppb (2) 10.0 μg/m3 (9) 8.1 μg/m3 (34) 34.0
 
Jan. 23, 2020, 7 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) 10.0 μg/m3 (9) 8.3 μg/m3 (35) 35.0
 
Jan. 23, 2020, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) 10.0 μg/m3 (9) 7.6 μg/m3 (32) 32.0
 
Jan. 23, 2020, 5 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) 8.0 μg/m3 (7) 5.9 μg/m3 (25) 25.0
 
Jan. 23, 2020, 4 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) 8.0 μg/m3 (7) 5.5 μg/m3 (23) 23.0
 
Jan. 23, 2020, 3 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 6.0 μg/m3 (5) 4.5 μg/m3 (19) 19.0
 
Jan. 23, 2020, 2 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 5.0 μg/m3 (5) 3.4 μg/m3 (14) 17.0
 
Jan. 23, 2020, 1 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 3.0 μg/m3 (3) 2.5 μg/m3 (10) 18.0
 
Jan. 23, 2020, midnight 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 3.0 μg/m3 (3) 2.2 μg/m3 (9) 18.0
 
Jan. 22, 2020, 11 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 2.0 μg/m3 (2) 2.1 μg/m3 (9) 19.0
 
Jan. 22, 2020, 10 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) 2.0 μg/m3 (2) 1.7 μg/m3 (7) 20.0
 
Jan. 22, 2020, 9 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) 1.0 μg/m3 (1) 1.3 μg/m3 (5) 20.0
 
Jan. 22, 2020, 8 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) 2.0 μg/m3 (2) 1.8 μg/m3 (8) 20.0
 
Jan. 22, 2020, 7 p.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) 3.0 μg/m3 (3) 2.7 μg/m3 (11) 21.0
 
Jan. 22, 2020, 6 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) 3.0 μg/m3 (3) 3.1 μg/m3 (13) 21.0
 
Jan. 22, 2020, 5 p.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) 3.0 μg/m3 (3) 3.0 μg/m3 (12) 22.0