ID: 1604

AQSQID: 201770013

Site Name: Kni-Topeka

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

Updated: Jan. 16, 2021, 6:31 p.m.

Location: Topeka (Swest Randolph Ave), KS

Reporting: True, Located: True

Current AQI: 25.0

Topeka (Swest Randolph Ave) KS, US: 39.0242, -95.7114

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 9.3 μg/m3 (9) 5.8 μg/m3 (25) 25.0
 
Jan. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 9.5 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 9.0 μg/m3 (9) 6.3 μg/m3 (27) 27.0
 
Jan. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 8.2 μg/m3 (8) 5.6 μg/m3 (24) 24.0
 
Jan. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 8.0 μg/m3 (8) 4.7 μg/m3 (20) 20.0
 
Jan. 16, 2021, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 7.0 μg/m3 (7) 4.3 μg/m3 (18) 19.0
 
Jan. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 5.8 μg/m3 (6) 4.1 μg/m3 (18) 19.0
 
Jan. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 7.0 μg/m3 (7) 3.9 μg/m3 (17) 19.0
 
Jan. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 7.2 μg/m3 (7) 4.3 μg/m3 (18) 20.0
 
Jan. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 7.9 μg/m3 (8) 4.5 μg/m3 (19) 21.0
 
Jan. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 6.7 μg/m3 (7) 3.6 μg/m3 (16) 20.0
 
Jan. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 5.8 μg/m3 (6) 3.3 μg/m3 (14) 20.0
 
Jan. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 5.4 μg/m3 (5) 3.2 μg/m3 (14) 20.0
 
Jan. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 5.3 μg/m3 (5) 2.7 μg/m3 (12) 20.0
 
Jan. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 5.8 μg/m3 (6) 2.9 μg/m3 (13) 20.0
 
Jan. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 4.9 μg/m3 (5) 2.6 μg/m3 (11) 20.0
 
Jan. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 6.3 μg/m3 (6) 2.5 μg/m3 (11) 21.0
 
Jan. 16, 2021, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 6.1 μg/m3 (6) 2.8 μg/m3 (12) 21.0
 
Jan. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 7.2 μg/m3 (7) 2.7 μg/m3 (12) 22.0
 
Jan. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 8.2 μg/m3 (8) 2.5 μg/m3 (11) 23.0
 
Jan. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 9.0 μg/m3 (9) 2.6 μg/m3 (11) 23.0
 
Jan. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 9.8 μg/m3 (10) 3.1 μg/m3 (13) 24.0
 
Jan. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 10.1 μg/m3 (10) 3.0 μg/m3 (13) 24.0
 
Jan. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (12) 3.5 μg/m3 (15) 15.0
 
Jan. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (11) 3.6 μg/m3 (16) 16.0
 
Jan. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 8.4 μg/m3 (8) 3.4 μg/m3 (15) 26.0
 
Jan. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 11.2 μg/m3 (11) 4.0 μg/m3 (17) 28.0
 
Jan. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 19.3 μg/m3 (18) 6.6 μg/m3 (28) 29.0
 
Jan. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 16.9 μg/m3 (16) 4.0 μg/m3 (17) 30.0
 
Jan. 15, 2021, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 17.0 μg/m3 (16) 4.7 μg/m3 (20) 30.0
 
Jan. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 9.7 μg/m3 (9) 3.4 μg/m3 (15) 30.0
 
Jan. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 11.7 μg/m3 (11) 3.4 μg/m3 (15) 30.0
 
Jan. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 16.1 μg/m3 (15) 3.5 μg/m3 (15) 31.0
 
Jan. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 31.6 μg/m3 (30) 3.8 μg/m3 (16) 31.0
 
Jan. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 34.9 μg/m3 (33) 3.9 μg/m3 (17) 33.0
 
Jan. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 40.0 μg/m3 (38) 4.0 μg/m3 (17) 38.0
 
Jan. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 37.5 μg/m3 (35) 4.3 μg/m3 (18) 35.0
 
Jan. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 31.3 μg/m3 (29) 3.6 μg/m3 (16) 33.0
 
Jan. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 23.2 μg/m3 (22) 3.3 μg/m3 (14) 33.0
 
Jan. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 20.0 μg/m3 (19) 3.1 μg/m3 (13) 31.0
 
Jan. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 17.6 μg/m3 (17) 3.1 μg/m3 (13) 33.0
 
Jan. 15, 2021, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 16.5 μg/m3 (16) 2.5 μg/m3 (11) 33.0
 
Jan. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 18.1 μg/m3 (17) 2.5 μg/m3 (11) 35.0
 
Jan. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 23.0 μg/m3 (22) 2.8 μg/m3 (12) 35.0
 
Jan. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 25.8 μg/m3 (24) 3.5 μg/m3 (15) 33.0
 
Jan. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 26.4 μg/m3 (25) 3.7 μg/m3 (16) 34.0
 
Jan. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 28.5 μg/m3 (27) 3.7 μg/m3 (16) 34.0
 
Jan. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 31.8 μg/m3 (30) 4.0 μg/m3 (17) 34.0
 
Jan. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 28.7 μg/m3 (27) 4.2 μg/m3 (18) 33.0
 
Jan. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 40.4 μg/m3 (38) 5.1 μg/m3 (22) 38.0
 
Jan. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 42.1 μg/m3 (39) 7.9 μg/m3 (33) 39.0
 
Jan. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 54.0 μg/m3 (50) 10.6 μg/m3 (45) 50.0
 
Jan. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 45.7 μg/m3 (43) 9.3 μg/m3 (39) 43.0
 
Jan. 14, 2021, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 19.8 μg/m3 (19) 6.0 μg/m3 (25) 36.0
 
Jan. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 19.7 μg/m3 (19) 5.0 μg/m3 (21) 32.0
 
Jan. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 23.2 μg/m3 (22) 4.2 μg/m3 (18) 28.0
 
Jan. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 35.3 μg/m3 (33) 4.5 μg/m3 (19) 33.0
 
Jan. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 15.4 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 15.3 μg/m3 (15) 5.7 μg/m3 (24) 24.0
 
Jan. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 16.7 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 17.1 μg/m3 (16) 6.1 μg/m3 (26) 26.0
 
Jan. 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 20.6 μg/m3 (20) 6.2 μg/m3 (26) 26.0
 
Jan. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 18.8 μg/m3 (18) 6.1 μg/m3 (26) 26.0
 
Jan. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 17.7 μg/m3 (17) 6.1 μg/m3 (26) 26.0
 
Jan. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 23.4 μg/m3 (22) 6.7 μg/m3 (28) 28.0
 
Jan. 14, 2021, midnight N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 23.2 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 23.6 μg/m3 (22) 5.6 μg/m3 (24) 25.0
 
Jan. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 18.5 μg/m3 (18) 5.3 μg/m3 (23) 28.0
 
Jan. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 13.5 μg/m3 (13) 5.2 μg/m3 (22) 29.0
 
Jan. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 12.4 μg/m3 (12) 5.0 μg/m3 (21) 31.0
 
Jan. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 13.8 μg/m3 (13) 6.2 μg/m3 (26) 29.0
 
Jan. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 14.3 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
Jan. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 13.5 μg/m3 (13) 9.1 μg/m3 (38) 38.0
 
Jan. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 15.4 μg/m3 (15) 9.9 μg/m3 (42) 42.0
 
Jan. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 15.3 μg/m3 (15) 10.7 μg/m3 (45) 45.0
 
Jan. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 14.8 μg/m3 (14) 10.2 μg/m3 (43) 43.0
 
Jan. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 15.7 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2021, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 15.1 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 14.8 μg/m3 (14) 9.5 μg/m3 (40) 40.0
 
Jan. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 13.6 μg/m3 (13) 8.8 μg/m3 (37) 37.0
 
Jan. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 13.3 μg/m3 (13) 8.4 μg/m3 (36) 36.0
 
Jan. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Jan. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 14.6 μg/m3 (14) 7.6 μg/m3 (32) 32.0
 
Jan. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 13.2 μg/m3 (13) 7.2 μg/m3 (31) 31.0
 
Jan. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 15.1 μg/m3 (14) 7.3 μg/m3 (31) 31.0
 
Jan. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 18.6 μg/m3 (18) 7.7 μg/m3 (33) 33.0
 
Jan. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 19.5 μg/m3 (19) 8.1 μg/m3 (34) 34.0
 
Jan. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 20.5 μg/m3 (19) 8.5 μg/m3 (36) 36.0
 
Jan. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 17.5 μg/m3 (17) 8.2 μg/m3 (35) 35.0
 
Jan. 13, 2021, midnight N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 15.0 μg/m3 (14) 6.6 μg/m3 (28) 28.0
 
Jan. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 14.3 μg/m3 (14) 4.9 μg/m3 (21) 25.0
 
Jan. 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 12.8 μg/m3 (12) 5.7 μg/m3 (24) 31.0
 
Jan. 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 13.8 μg/m3 (13) 7.7 μg/m3 (33) 33.0
 
Jan. 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 13.2 μg/m3 (13) 5.7 μg/m3 (24) 30.0
 
Jan. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 13.5 μg/m3 (13) 6.2 μg/m3 (26) 28.0
 
Jan. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 12.8 μg/m3 (12) 6.3 μg/m3 (27) 27.0
 
Jan. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 14.3 μg/m3 (14) 7.2 μg/m3 (31) 31.0
 
Jan. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 16.6 μg/m3 (16) 8.3 μg/m3 (35) 35.0
 
Jan. 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 15.4 μg/m3 (15) 9.5 μg/m3 (40) 40.0
 
Jan. 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 12.3 μg/m3 (12) 8.2 μg/m3 (35) 35.0
 
Jan. 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 11.7 μg/m3 (11) 7.8 μg/m3 (33) 33.0
 
Jan. 12, 2021, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 11.0 μg/m3 (11) 7.4 μg/m3 (31) 31.0
 
Jan. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 10.1 μg/m3 (10) 7.1 μg/m3 (30) 30.0
 
Jan. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 10.2 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
Jan. 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 10.3 μg/m3 (10) 6.8 μg/m3 (29) 29.0
 
Jan. 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 10.6 μg/m3 (10) 6.8 μg/m3 (29) 29.0
 
Jan. 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 10.7 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
Jan. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 11.2 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
Jan. 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 12.0 μg/m3 (12) 7.2 μg/m3 (31) 31.0
 
Jan. 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 12.8 μg/m3 (12) 7.1 μg/m3 (30) 30.0
 
Jan. 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 11.3 μg/m3 (11) 7.3 μg/m3 (31) 31.0
 
Jan. 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 11.6 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
Jan. 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 11.1 μg/m3 (11) 6.7 μg/m3 (28) 28.0
 
Jan. 12, 2021, midnight N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 13.8 μg/m3 (13) 6.6 μg/m3 (28) 28.0
 
Jan. 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 10.9 μg/m3 (11) 5.6 μg/m3 (24) 24.0
 
Jan. 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 10.2 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 11.4 μg/m3 (11) 6.5 μg/m3 (28) 28.0
 
Jan. 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 10.7 μg/m3 (10) 7.3 μg/m3 (31) 31.0
 
Jan. 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 13.1 μg/m3 (13) 8.9 μg/m3 (38) 38.0
 
Jan. 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 14.3 μg/m3 (14) 9.6 μg/m3 (40) 40.0
 
Jan. 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 15.4 μg/m3 (15) 10.8 μg/m3 (46) 46.0
 
Jan. 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 19.0 μg/m3 (18) 13.4 μg/m3 (54) 54.0
 
Jan. 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 24.2 μg/m3 (23) 17.5 μg/m3 (63) 63.0
 
Jan. 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 26.8 μg/m3 (25) 19.9 μg/m3 (68) 68.0
 
Jan. 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 21.6 μg/m3 (20) 17.0 μg/m3 (62) 62.0
 
Jan. 11, 2021, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 18.5 μg/m3 (18) 14.3 μg/m3 (56) 56.0
 
Jan. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 16.2 μg/m3 (15) 12.4 μg/m3 (52) 52.0
 
Jan. 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 16.5 μg/m3 (16) 12.8 μg/m3 (53) 53.0
 
Jan. 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 18.7 μg/m3 (18) 14.5 μg/m3 (57) 57.0
 
Jan. 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 22.7 μg/m3 (22) 17.2 μg/m3 (62) 62.0
 
Jan. 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 25.1 μg/m3 (24) 19.5 μg/m3 (67) 67.0
 
Jan. 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 26.8 μg/m3 (25) 20.8 μg/m3 (70) 70.0
 
Jan. 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 28.4 μg/m3 (27) 22.2 μg/m3 (73) 73.0
 
Jan. 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 31.5 μg/m3 (30) 24.2 μg/m3 (77) 77.0
 
Jan. 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 32.3 μg/m3 (30) 25.0 μg/m3 (79) 79.0
 
Jan. 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 31.0 μg/m3 (29) 23.2 μg/m3 (75) 75.0
 
Jan. 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 28.6 μg/m3 (27) 21.8 μg/m3 (72) 72.0
 
Jan. 11, 2021, midnight N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 29.0 μg/m3 (27) 21.8 μg/m3 (72) 72.0
 
Jan. 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 28.0 μg/m3 (26) 20.9 μg/m3 (70) 70.0
 
Jan. 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 28.4 μg/m3 (27) 22.4 μg/m3 (73) 73.0
 
Jan. 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 28.1 μg/m3 (27) 21.1 μg/m3 (70) 70.0
 
Jan. 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 27.3 μg/m3 (26) 20.0 μg/m3 (68) 68.0
 
Jan. 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 28.3 μg/m3 (27) 20.7 μg/m3 (70) 70.0
 
Jan. 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 31.2 μg/m3 (29) 22.0 μg/m3 (72) 72.0
 
Jan. 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 32.7 μg/m3 (31) 24.0 μg/m3 (77) 77.0
 
Jan. 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 33.9 μg/m3 (32) 24.5 μg/m3 (78) 78.0
 
Jan. 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 36.8 μg/m3 (35) 26.3 μg/m3 (81) 81.0
 
Jan. 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 42.0 μg/m3 (39) 29.6 μg/m3 (88) 88.0
 
Jan. 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 45.6 μg/m3 (43) 32.1 μg/m3 (94) 94.0
 
Jan. 10, 2021, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 43.2 μg/m3 (40) 29.9 μg/m3 (89) 89.0
 
Jan. 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 37.3 μg/m3 (35) 26.1 μg/m3 (81) 81.0
 
Jan. 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 36.3 μg/m3 (34) 26.0 μg/m3 (81) 81.0
 
Jan. 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 38.9 μg/m3 (37) 27.8 μg/m3 (85) 85.0
 
Jan. 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 35.0 μg/m3 (33) 25.8 μg/m3 (80) 80.0
 
Jan. 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 33.0 μg/m3 (31) 24.1 μg/m3 (77) 77.0
 
Jan. 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 30.4 μg/m3 (29) 22.7 μg/m3 (74) 74.0
 
Jan. 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 32.0 μg/m3 (30) 22.6 μg/m3 (74) 74.0
 
Jan. 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 31.7 μg/m3 (30) 22.7 μg/m3 (74) 74.0
 
Jan. 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 35.8 μg/m3 (34) 24.9 μg/m3 (78) 78.0
 
Jan. 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 36.1 μg/m3 (34) 24.5 μg/m3 (78) 78.0
 
Jan. 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 36.0 μg/m3 (34) 25.5 μg/m3 (80) 80.0
 
Jan. 10, 2021, midnight N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 34.2 μg/m3 (32) 23.2 μg/m3 (75) 75.0
 
Jan. 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 34.7 μg/m3 (33) 22.8 μg/m3 (74) 74.0
 
Jan. 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 32.4 μg/m3 (30) 21.3 μg/m3 (71) 71.0
 
Jan. 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 32.8 μg/m3 (31) 21.4 μg/m3 (71) 71.0
 
Jan. 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 32.4 μg/m3 (30) 20.9 μg/m3 (70) 70.0
 
Jan. 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 30.6 μg/m3 (29) 19.5 μg/m3 (67) 67.0
 
Jan. 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 28.2 μg/m3 (27) 19.1 μg/m3 (66) 66.0