ID: 1604

AQSQID: 201770013

Site Name: Kni-Topeka

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

Updated: April 10, 2021, 7:43 p.m.

Location: Topeka (Swest Randolph Ave), KS

Reporting: True, Located: True

Current AQI: 35.0

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
April 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 18.5 μg/m3 (18) 6.8 μg/m3 (29) 35.0
 
April 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 16.8 μg/m3 (16) 7.1 μg/m3 (30) 34.0
 
April 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 16.7 μg/m3 (16) 7.1 μg/m3 (30) 30.0
 
April 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 14.3 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
April 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 14.1 μg/m3 (14) 7.5 μg/m3 (32) 32.0
 
April 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 13.5 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
April 10, 2021, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 10.4 μg/m3 (10) 6.8 μg/m3 (29) 29.0
 
April 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 7.7 μg/m3 (8) 4.8 μg/m3 (20) 20.0
 
April 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 6.6 μg/m3 (7) 4.2 μg/m3 (18) 20.0
 
April 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 6.5 μg/m3 (7) 4.1 μg/m3 (18) 21.0
 
April 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 9.4 μg/m3 (9) 6.2 μg/m3 (26) 26.0
 
April 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 10.7 μg/m3 (10) 6.7 μg/m3 (28) 28.0
 
April 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 11.2 μg/m3 (11) 6.6 μg/m3 (28) 28.0
 
April 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 11.5 μg/m3 (11) 6.3 μg/m3 (27) 30.0
 
April 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 12.5 μg/m3 (12) 7.1 μg/m3 (30) 30.0
 
April 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 11.6 μg/m3 (11) 6.5 μg/m3 (28) 33.0
 
April 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 12.5 μg/m3 (12) 6.5 μg/m3 (28) 33.0
 
April 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 16.3 μg/m3 (16) 7.7 μg/m3 (33) 33.0
 
April 10, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 20.4 μg/m3 (19) 11.8 μg/m3 (50) 50.0
 
April 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 12.7 μg/m3 (12) 5.0 μg/m3 (21) 44.0
 
April 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 14.7 μg/m3 (14) 4.3 μg/m3 (18) 48.0
 
April 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 19.3 μg/m3 (18) 5.8 μg/m3 (25) 46.0
 
April 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 20.6 μg/m3 (20) 5.5 μg/m3 (23) 43.0
 
April 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 20.2 μg/m3 (19) 5.6 μg/m3 (24) 43.0
 
April 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 20.5 μg/m3 (19) 5.9 μg/m3 (25) 44.0
 
April 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 19.7 μg/m3 (19) 5.6 μg/m3 (24) 40.0
 
April 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 19.1 μg/m3 (18) 4.9 μg/m3 (21) 30.0
 
April 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 17.3 μg/m3 (17) 5.5 μg/m3 (23) 23.0
 
April 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 18.6 μg/m3 (18) 7.1 μg/m3 (30) 30.0
 
April 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 13.0 μg/m3 (13) 6.1 μg/m3 (26) 26.0
 
April 9, 2021, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 11.8 μg/m3 (11) 5.1 μg/m3 (22) 22.0
 
April 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 9.9 μg/m3 (10) 4.7 μg/m3 (20) 20.0
 
April 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 9.8 μg/m3 (10) 4.5 μg/m3 (19) 19.0
 
April 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 9.9 μg/m3 (10) 4.5 μg/m3 (19) 19.0
 
April 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 7.7 μg/m3 (8) 4.2 μg/m3 (18) 18.0
 
April 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 8.3 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
April 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 7.0 μg/m3 (7) 3.8 μg/m3 (16) 16.0
 
April 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 11.1 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
April 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 12.6 μg/m3 (12) 5.1 μg/m3 (22) 22.0
 
April 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 12.9 μg/m3 (12) 5.2 μg/m3 (22) 22.0
 
April 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 12.7 μg/m3 (12) 5.4 μg/m3 (23) 23.0
 
April 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 19.5 μg/m3 (19) 7.9 μg/m3 (33) 33.0
 
April 9, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 12.5 μg/m3 (12) 4.7 μg/m3 (20) 28.0
 
April 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 10.0 μg/m3 (10) 3.4 μg/m3 (15) 37.0
 
April 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 7.9 μg/m3 (8) 3.2 μg/m3 (14) 38.0
 
April 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 8.0 μg/m3 (8) 3.2 μg/m3 (14) 36.0
 
April 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 8.7 μg/m3 (9) 3.4 μg/m3 (15) 32.0
 
April 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 8.4 μg/m3 (8) 3.7 μg/m3 (16) 27.0
 
April 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 8.1 μg/m3 (8) 4.0 μg/m3 (17) 26.0
 
April 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 7.1 μg/m3 (7) 3.6 μg/m3 (16) 27.0
 
April 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 5.7 μg/m3 (6) 2.8 μg/m3 (12) 28.0
 
April 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 3.0 μg/m3 (3) 1.7 μg/m3 (8) 27.0
 
April 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 2.2 μg/m3 (3) 1.2 μg/m3 (5) 26.0
 
April 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 3.6 μg/m3 (4) 2.1 μg/m3 (9) 25.0
 
April 8, 2021, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 3.2 μg/m3 (3) 1.8 μg/m3 (8) 25.0
 
April 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 2.4 μg/m3 (3) 1.4 μg/m3 (6) 25.0
 
April 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 3.2 μg/m3 (3) 1.8 μg/m3 (8) 25.0
 
April 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 3.6 μg/m3 (4) 2.1 μg/m3 (9) 25.0
 
April 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 3.0 μg/m3 (3) 1.9 μg/m3 (8) 26.0
 
April 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 2.3 μg/m3 (3) 1.4 μg/m3 (6) 25.0
 
April 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 2.9 μg/m3 (3) 1.7 μg/m3 (8) 24.0
 
April 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 2.6 μg/m3 (3) 1.5 μg/m3 (7) 23.0
 
April 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 2.6 μg/m3 (3) 1.3 μg/m3 (6) 22.0
 
April 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 3.6 μg/m3 (4) 1.6 μg/m3 (7) 20.0
 
April 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 4.7 μg/m3 (5) 1.7 μg/m3 (8) 20.0
 
April 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 3.3 μg/m3 (4) 1.6 μg/m3 (7) 22.0
 
April 8, 2021, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 4.4 μg/m3 (5) 2.2 μg/m3 (10) 22.0
 
April 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 4.8 μg/m3 (5) 3.2 μg/m3 (14) 21.0
 
April 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 7.0 μg/m3 (7) 4.5 μg/m3 (19) 19.0
 
April 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 6.9 μg/m3 (7) 4.3 μg/m3 (18) 18.0
 
April 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 5.9 μg/m3 (6) 3.8 μg/m3 (16) 17.0
 
April 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 6.3 μg/m3 (6) 3.6 μg/m3 (16) 16.0
 
April 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 3.6 μg/m3 (4) 2.5 μg/m3 (11) 13.0
 
April 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 10.1 μg/m3 (10) 5.7 μg/m3 (24) 24.0
 
April 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 19.9 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
April 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 14.7 μg/m3 (14) 6.5 μg/m3 (28) 28.0
 
April 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 14.0 μg/m3 (13) 5.7 μg/m3 (24) 26.0
 
April 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 12.6 μg/m3 (12) 5.4 μg/m3 (23) 32.0
 
April 7, 2021, noon N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 12.2 μg/m3 (12) 5.3 μg/m3 (23) 38.0
 
April 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 11.9 μg/m3 (12) 5.4 μg/m3 (23) 38.0
 
April 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 12.3 μg/m3 (12) 5.7 μg/m3 (24) 38.0
 
April 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 12.6 μg/m3 (12) 5.4 μg/m3 (23) 39.0
 
April 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 12.8 μg/m3 (12) 5.7 μg/m3 (24) 42.0
 
April 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 14.3 μg/m3 (14) 6.2 μg/m3 (26) 47.0
 
April 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 16.9 μg/m3 (16) 7.3 μg/m3 (31) 49.0
 
April 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 25.2 μg/m3 (24) 10.3 μg/m3 (43) 43.0
 
April 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 25.7 μg/m3 (24) 10.7 μg/m3 (45) 45.0
 
April 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 26.9 μg/m3 (25) 10.1 μg/m3 (43) 43.0
 
April 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 27.6 μg/m3 (26) 9.8 μg/m3 (41) 41.0
 
April 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 27.9 μg/m3 (26) 9.8 μg/m3 (41) 41.0
 
April 7, 2021, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 29.2 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
April 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 33.1 μg/m3 (31) 10.1 μg/m3 (43) 43.0
 
April 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 38.4 μg/m3 (36) 10.5 μg/m3 (44) 44.0
 
April 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 39.5 μg/m3 (37) 11.5 μg/m3 (48) 48.0
 
April 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 43.7 μg/m3 (41) 12.7 μg/m3 (53) 53.0
 
April 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 37.5 μg/m3 (35) 14.7 μg/m3 (57) 57.0
 
April 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 44.6 μg/m3 (42) 14.3 μg/m3 (56) 56.0
 
April 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 43.4 μg/m3 (41) 12.8 μg/m3 (53) 53.0
 
April 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 35.8 μg/m3 (34) 13.1 μg/m3 (54) 54.0
 
April 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 30.4 μg/m3 (29) 11.9 μg/m3 (50) 50.0
 
April 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 27.3 μg/m3 (26) 11.2 μg/m3 (47) 47.0
 
April 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 25.1 μg/m3 (24) 11.1 μg/m3 (47) 47.0
 
April 6, 2021, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 23.4 μg/m3 (22) 10.1 μg/m3 (43) 43.0
 
April 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 20.0 μg/m3 (19) 10.2 μg/m3 (43) 43.0
 
April 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 22.7 μg/m3 (22) 10.7 μg/m3 (45) 45.0
 
April 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 20.4 μg/m3 (19) 9.9 μg/m3 (42) 42.0
 
April 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 22.4 μg/m3 (21) 10.5 μg/m3 (44) 44.0
 
April 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 26.7 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
April 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 28.8 μg/m3 (27) 12.5 μg/m3 (52) 52.0
 
April 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 31.4 μg/m3 (30) 11.3 μg/m3 (48) 48.0
 
April 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 33.7 μg/m3 (32) 11.0 μg/m3 (46) 46.0
 
April 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 40.1 μg/m3 (38) 14.9 μg/m3 (57) 57.0
 
April 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 41.1 μg/m3 (39) 14.6 μg/m3 (57) 57.0
 
April 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 39.5 μg/m3 (37) 11.3 μg/m3 (48) 48.0
 
April 6, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 38.6 μg/m3 (36) 10.0 μg/m3 (42) 44.0
 
April 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 35.9 μg/m3 (34) 9.3 μg/m3 (39) 45.0
 
April 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 35.5 μg/m3 (33) 9.1 μg/m3 (38) 45.0
 
April 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 37.1 μg/m3 (35) 8.6 μg/m3 (36) 43.0
 
April 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 35.1 μg/m3 (33) 7.7 μg/m3 (33) 41.0
 
April 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 36.2 μg/m3 (34) 7.6 μg/m3 (32) 41.0
 
April 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 32.2 μg/m3 (30) 7.4 μg/m3 (31) 38.0
 
April 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 30.1 μg/m3 (28) 7.5 μg/m3 (32) 37.0
 
April 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 29.5 μg/m3 (28) 8.3 μg/m3 (35) 35.0
 
April 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 23.2 μg/m3 (22) 8.7 μg/m3 (37) 37.0
 
April 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 24.4 μg/m3 (23) 9.9 μg/m3 (42) 42.0
 
April 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 24.3 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
April 5, 2021, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 24.3 μg/m3 (23) 13.4 μg/m3 (54) 54.0
 
April 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 23.7 μg/m3 (22) 13.2 μg/m3 (54) 54.0
 
April 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 23.1 μg/m3 (22) 12.3 μg/m3 (52) 52.0
 
April 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 26.4 μg/m3 (25) 14.8 μg/m3 (57) 57.0
 
April 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 29.4 μg/m3 (28) 17.2 μg/m3 (62) 62.0
 
April 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 33.1 μg/m3 (31) 17.9 μg/m3 (64) 64.0
 
April 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 34.2 μg/m3 (32) 16.8 μg/m3 (61) 61.0
 
April 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 40.8 μg/m3 (38) 19.8 μg/m3 (68) 68.0
 
April 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 46.3 μg/m3 (43) 20.3 μg/m3 (69) 69.0
 
April 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 47.1 μg/m3 (44) 21.0 μg/m3 (70) 70.0
 
April 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 40.7 μg/m3 (38) 12.7 μg/m3 (53) 53.0
 
April 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 42.2 μg/m3 (40) 11.2 μg/m3 (47) 47.0
 
April 5, 2021, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 40.0 μg/m3 (38) 13.0 μg/m3 (53) 53.0
 
April 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 40.1 μg/m3 (38) 11.1 μg/m3 (47) 50.0
 
April 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 44.3 μg/m3 (42) 11.3 μg/m3 (48) 50.0
 
April 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 43.8 μg/m3 (41) 11.7 μg/m3 (49) 51.0
 
April 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 42.3 μg/m3 (40) 10.6 μg/m3 (45) 50.0
 
April 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 43.1 μg/m3 (40) 10.6 μg/m3 (45) 48.0
 
April 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 39.3 μg/m3 (37) 9.4 μg/m3 (40) 43.0
 
April 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 31.6 μg/m3 (30) 9.7 μg/m3 (41) 42.0
 
April 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 26.6 μg/m3 (25) 9.5 μg/m3 (40) 40.0
 
April 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 24.6 μg/m3 (23) 10.8 μg/m3 (46) 46.0
 
April 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 23.7 μg/m3 (22) 12.4 μg/m3 (52) 52.0
 
April 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 27.4 μg/m3 (26) 14.6 μg/m3 (57) 57.0
 
April 4, 2021, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 33.5 μg/m3 (32) 19.7 μg/m3 (67) 67.0
 
April 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 39.8 μg/m3 (37) 24.2 μg/m3 (77) 77.0
 
April 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 55.1 μg/m3 (52) 38.0 μg/m3 (108) 108.0
 
April 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 85.7 μg/m3 (67) 62.2 μg/m3 (155) 155.0
 
April 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 123.9 μg/m3 (86) 96.2 μg/m3 (173) 173.0
 
April 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 91.6 μg/m3 (70) 60.3 μg/m3 (154) 154.0
 
April 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 99.7 μg/m3 (74) 53.4 μg/m3 (146) 146.0
 
April 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 99.9 μg/m3 (74) 49.9 μg/m3 (137) 137.0
 
April 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 100.6 μg/m3 (74) 47.3 μg/m3 (131) 131.0
 
April 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 94.7 μg/m3 (71) 49.0 μg/m3 (135) 135.0
 
April 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 89.5 μg/m3 (69) 52.3 μg/m3 (143) 143.0
 
April 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 81.3 μg/m3 (65) 45.1 μg/m3 (125) 125.0
 
April 4, 2021, midnight N/A N/A N/A N/A N/A N/A 72.0 ppb (102) N/A 65.8 μg/m3 (57) 30.3 μg/m3 (90) 102.0
 
April 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A 60.5 μg/m3 (54) 23.5 μg/m3 (75) 101.0
 
April 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A 57.6 μg/m3 (53) 21.7 μg/m3 (72) 101.0
 
April 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 51.2 μg/m3 (48) 16.7 μg/m3 (61) 78.0
 
April 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 52.4 μg/m3 (49) 16.7 μg/m3 (61) 78.0
 
April 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 47.1 μg/m3 (44) 16.7 μg/m3 (61) 71.0