ID: 937

AQSQID: 201950001

Site Name: Cedar Bluff

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

Updated: April 10, 2021, 11:42 a.m.

Location: Ellis (67637), KS

Reporting: True, Located: True

Current AQI: 21.0

Ellis (67637) KS, US: 38.7703, -99.7636

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 10, 2021, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 22.0 ppb (21) N/A 4.7 μg/m3 (5) 2.6 μg/m3 (11) 21.0
 
April 10, 2021, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 20.0 ppb (19) N/A 5.7 μg/m3 (6) 2.9 μg/m3 (13) 19.0
 
April 10, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) N/A 7.1 μg/m3 (7) 2.8 μg/m3 (12) 20.0
 
April 10, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 22.0 ppb (21) N/A 7.2 μg/m3 (7) 2.4 μg/m3 (10) 21.0
 
April 10, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 26.0 ppb (25) N/A 6.1 μg/m3 (6) 2.1 μg/m3 (9) 25.0
 
April 10, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) N/A 5.4 μg/m3 (5) 2.0 μg/m3 (9) 29.0
 
April 10, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) N/A 5.2 μg/m3 (5) 1.6 μg/m3 (7) 27.0
 
April 10, 2021, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) N/A 5.7 μg/m3 (6) 1.8 μg/m3 (8) 29.0
 
April 10, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A 5.9 μg/m3 (6) 2.2 μg/m3 (10) 28.0
 
April 10, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 30.0
 
April 10, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A 7.8 μg/m3 (8) 1.9 μg/m3 (8) 35.0
 
April 9, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A 8.0 μg/m3 (8) 2.6 μg/m3 (11) 35.0
 
April 9, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A 9.5 μg/m3 (9) 3.7 μg/m3 (16) 34.0
 
April 9, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A 10.5 μg/m3 (10) 5.1 μg/m3 (22) 31.0
 
April 9, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A 10.4 μg/m3 (10) 5.0 μg/m3 (21) 33.0
 
April 9, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A 12.5 μg/m3 (12) 4.9 μg/m3 (21) 34.0
 
April 9, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A 23.0 μg/m3 (22) 4.4 μg/m3 (19) 36.0
 
April 9, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A 36.1 μg/m3 (34) 5.2 μg/m3 (22) 35.0
 
April 9, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) N/A 34.1 μg/m3 (32) 5.6 μg/m3 (24) 32.0
 
April 9, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A 27.3 μg/m3 (26) 6.4 μg/m3 (27) 28.0
 
April 9, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A 22.4 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
April 9, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) N/A 20.5 μg/m3 (19) 5.9 μg/m3 (25) 25.0
 
April 9, 2021, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 14.0 ppb (13) N/A 19.3 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
April 9, 2021, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 13.0 ppb (13) N/A 18.7 μg/m3 (18) 5.8 μg/m3 (25) 25.0
 
April 9, 2021, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 19.0 ppb (18) N/A 15.6 μg/m3 (15) 5.6 μg/m3 (24) 24.0
 
April 9, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) N/A 18.6 μg/m3 (18) 5.7 μg/m3 (24) 24.0
 
April 9, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) N/A 19.5 μg/m3 (19) 5.9 μg/m3 (25) 25.0
 
April 9, 2021, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) N/A 20.5 μg/m3 (19) 6.1 μg/m3 (26) 26.0
 
April 9, 2021, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A 17.9 μg/m3 (17) 5.5 μg/m3 (23) 27.0
 
April 9, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A 15.3 μg/m3 (15) 5.3 μg/m3 (23) 25.0
 
April 9, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A 17.8 μg/m3 (17) 5.4 μg/m3 (23) 25.0
 
April 9, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A 19.3 μg/m3 (18) 5.5 μg/m3 (23) 25.0
 
April 9, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A 21.7 μg/m3 (21) 5.7 μg/m3 (24) 34.0
 
April 9, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A 21.8 μg/m3 (21) 5.7 μg/m3 (24) 43.0
 
April 9, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A 19.0 μg/m3 (18) 5.3 μg/m3 (23) 46.0
 
April 8, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A 18.3 μg/m3 (17) 5.1 μg/m3 (22) 49.0
 
April 8, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A 18.9 μg/m3 (18) 5.1 μg/m3 (22) 49.0
 
April 8, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 53.0 ppb (50) N/A 14.6 μg/m3 (14) 4.8 μg/m3 (20) 50.0
 
April 8, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 53.0 ppb (50) N/A 15.7 μg/m3 (15) 4.8 μg/m3 (20) 50.0
 
April 8, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) N/A 15.7 μg/m3 (15) 4.3 μg/m3 (18) 48.0
 
April 8, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A 17.4 μg/m3 (17) 4.5 μg/m3 (19) 47.0
 
April 8, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A 17.3 μg/m3 (17) 4.5 μg/m3 (19) 46.0
 
April 8, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A 16.7 μg/m3 (16) 4.5 μg/m3 (19) 43.0
 
April 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 15.3 μg/m3 (15) 4.7 μg/m3 (20) 39.0
 
April 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.8 μg/m3 (14) 5.1 μg/m3 (22) 22.0
 
April 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (12) 5.1 μg/m3 (22) 22.0
 
April 8, 2021, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 21.0 ppb (20) N/A 12.2 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
April 8, 2021, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 22.0
 
April 8, 2021, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A 12.5 μg/m3 (12) 4.9 μg/m3 (21) 26.0
 
April 8, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A 13.5 μg/m3 (13) 5.1 μg/m3 (22) 27.0
 
April 8, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A 12.8 μg/m3 (12) 5.1 μg/m3 (22) 27.0
 
April 8, 2021, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A 12.9 μg/m3 (12) 5.0 μg/m3 (21) 28.0
 
April 8, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) N/A 12.9 μg/m3 (12) 4.7 μg/m3 (20) 29.0
 
April 8, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A 12.9 μg/m3 (12) 4.4 μg/m3 (19) 33.0
 
April 8, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A 13.9 μg/m3 (13) 4.4 μg/m3 (19) 36.0
 
April 8, 2021, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A 12.6 μg/m3 (12) 4.4 μg/m3 (19) 36.0
 
April 8, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A 15.4 μg/m3 (15) 4.4 μg/m3 (19) 39.0
 
April 8, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A 15.8 μg/m3 (15) 4.5 μg/m3 (19) 38.0
 
April 8, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A 14.4 μg/m3 (14) 4.7 μg/m3 (20) 39.0
 
April 7, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A 15.3 μg/m3 (15) 5.1 μg/m3 (22) 41.0
 
April 7, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A 14.4 μg/m3 (14) 4.6 μg/m3 (20) 41.0
 
April 7, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A 13.2 μg/m3 (13) 4.6 μg/m3 (20) 41.0
 
April 7, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A 18.1 μg/m3 (17) 4.9 μg/m3 (21) 41.0
 
April 7, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A 18.3 μg/m3 (17) 4.5 μg/m3 (19) 39.0
 
April 7, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A 17.4 μg/m3 (17) 4.3 μg/m3 (18) 37.0
 
April 7, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) N/A 10.9 μg/m3 (11) 4.3 μg/m3 (18) 32.0
 
April 7, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) N/A 8.8 μg/m3 (9) 4.4 μg/m3 (19) 32.0
 
April 7, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A 8.0 μg/m3 (8) 3.8 μg/m3 (16) 33.0
 
April 7, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A 6.6 μg/m3 (7) 2.6 μg/m3 (11) 35.0
 
April 7, 2021, 1 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A 4.5 μg/m3 (5) 1.9 μg/m3 (8) 35.0
 
April 7, 2021, noon N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A 5.0 μg/m3 (5) 2.2 μg/m3 (10) 33.0
 
April 7, 2021, 11 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) N/A 5.8 μg/m3 (6) 2.0 μg/m3 (9) 32.0
 
April 7, 2021, 10 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) N/A 6.4 μg/m3 (6) 1.7 μg/m3 (8) 32.0
 
April 7, 2021, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A 7.0 μg/m3 (7) 1.8 μg/m3 (8) 35.0
 
April 7, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A 8.2 μg/m3 (8) 2.2 μg/m3 (10) 34.0
 
April 7, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A 10.6 μg/m3 (10) 2.6 μg/m3 (11) 34.0
 
April 7, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A 12.6 μg/m3 (12) 2.9 μg/m3 (13) 31.0
 
April 7, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A 22.8 μg/m3 (22) 3.8 μg/m3 (16) 31.0
 
April 7, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (26) N/A 37.0 μg/m3 (35) 5.4 μg/m3 (23) 35.0
 
April 7, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A 42.7 μg/m3 (40) 9.2 μg/m3 (39) 40.0
 
April 7, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A 50.7 μg/m3 (47) 11.5 μg/m3 (48) 48.0
 
April 7, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A 58.7 μg/m3 (53) 11.1 μg/m3 (47) 53.0
 
April 7, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A 64.6 μg/m3 (56) 11.3 μg/m3 (48) 56.0
 
April 6, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A 52.2 μg/m3 (49) 10.3 μg/m3 (43) 49.0
 
April 6, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A 50.3 μg/m3 (47) 9.5 μg/m3 (40) 51.0
 
April 6, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 55.0 ppb (51) N/A 43.6 μg/m3 (41) 8.3 μg/m3 (35) 51.0
 
April 6, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) N/A 42.6 μg/m3 (40) 8.6 μg/m3 (36) 48.0
 
April 6, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A 33.8 μg/m3 (32) 8.7 μg/m3 (37) 41.0
 
April 6, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A 29.8 μg/m3 (28) 8.6 μg/m3 (36) 38.0
 
April 6, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A 32.6 μg/m3 (31) 8.7 μg/m3 (37) 37.0
 
April 6, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A 28.8 μg/m3 (27) 8.8 μg/m3 (37) 37.0
 
April 6, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A 29.7 μg/m3 (28) 8.8 μg/m3 (37) 37.0
 
April 6, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A 20.9 μg/m3 (20) 7.3 μg/m3 (31) 31.0
 
April 6, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) N/A 19.1 μg/m3 (18) 7.0 μg/m3 (30) 30.0
 
April 6, 2021, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) N/A 18.5 μg/m3 (18) 6.9 μg/m3 (29) 29.0
 
April 6, 2021, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A 17.4 μg/m3 (17) 6.6 μg/m3 (28) 28.0
 
April 6, 2021, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A 16.6 μg/m3 (16) 6.7 μg/m3 (28) 28.0
 
April 6, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A 19.0 μg/m3 (18) 6.9 μg/m3 (29) 29.0
 
April 6, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) N/A 19.2 μg/m3 (18) 6.9 μg/m3 (29) 30.0
 
April 6, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A 23.6 μg/m3 (22) 7.0 μg/m3 (30) 31.0
 
April 6, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A 25.2 μg/m3 (24) 7.1 μg/m3 (30) 33.0
 
April 6, 2021, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) N/A 25.5 μg/m3 (24) 7.3 μg/m3 (31) 32.0
 
April 6, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) N/A 21.2 μg/m3 (20) 7.3 μg/m3 (31) 32.0
 
April 6, 2021, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A 25.5 μg/m3 (24) 8.3 μg/m3 (35) 35.0
 
April 6, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A 26.8 μg/m3 (25) 8.7 μg/m3 (37) 37.0
 
April 6, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A 32.5 μg/m3 (31) 8.1 μg/m3 (34) 37.0
 
April 6, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A 32.6 μg/m3 (31) 8.9 μg/m3 (38) 39.0
 
April 5, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A 31.3 μg/m3 (29) 9.2 μg/m3 (39) 47.0
 
April 5, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) N/A 30.1 μg/m3 (28) 8.9 μg/m3 (38) 50.0
 
April 5, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 51.0 ppb (48) N/A 27.5 μg/m3 (26) 8.3 μg/m3 (35) 48.0
 
April 5, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A 30.8 μg/m3 (29) 8.1 μg/m3 (34) 46.0
 
April 5, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) N/A 27.8 μg/m3 (26) 8.5 μg/m3 (36) 44.0
 
April 5, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A 31.1 μg/m3 (29) 8.7 μg/m3 (37) 41.0
 
April 5, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A 29.7 μg/m3 (28) 8.8 μg/m3 (37) 38.0
 
April 5, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A 23.6 μg/m3 (22) 8.3 μg/m3 (35) 35.0
 
April 5, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A 25.1 μg/m3 (24) 8.0 μg/m3 (34) 34.0
 
April 5, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) N/A 17.2 μg/m3 (16) 7.5 μg/m3 (32) 32.0
 
April 5, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 20.0 ppb (19) N/A 14.3 μg/m3 (14) 6.9 μg/m3 (29) 29.0
 
April 5, 2021, noon N/A N/A N/A 2.0 ppb (2) N/A N/A 19.0 ppb (18) N/A 13.5 μg/m3 (13) 6.8 μg/m3 (29) 29.0
 
April 5, 2021, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 21.0 ppb (20) N/A 13.7 μg/m3 (13) 6.7 μg/m3 (28) 28.0
 
April 5, 2021, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) N/A 13.5 μg/m3 (13) 6.5 μg/m3 (28) 28.0
 
April 5, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A 14.7 μg/m3 (14) 6.9 μg/m3 (29) 29.0
 
April 5, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A 16.0 μg/m3 (15) 7.7 μg/m3 (33) 33.0
 
April 5, 2021, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A 19.2 μg/m3 (18) 8.3 μg/m3 (35) 35.0
 
April 5, 2021, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A 19.3 μg/m3 (18) 8.3 μg/m3 (35) 35.0
 
April 5, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A 21.2 μg/m3 (20) 7.2 μg/m3 (31) 34.0
 
April 5, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A 19.7 μg/m3 (19) 6.9 μg/m3 (29) 36.0
 
April 5, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A 20.3 μg/m3 (19) 7.0 μg/m3 (30) 38.0
 
April 5, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A 24.6 μg/m3 (23) 7.4 μg/m3 (31) 41.0
 
April 5, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) N/A 26.3 μg/m3 (25) 7.8 μg/m3 (33) 44.0
 
April 5, 2021, midnight N/A N/A N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) N/A 25.4 μg/m3 (24) 7.5 μg/m3 (32) 48.0
 
April 4, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 56.0 ppb (55) N/A 21.0 μg/m3 (20) 7.0 μg/m3 (30) 55.0
 
April 4, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 57.0 ppb (58) N/A 23.8 μg/m3 (23) 6.9 μg/m3 (29) 58.0
 
April 4, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 56.0 ppb (55) N/A 28.3 μg/m3 (27) 7.1 μg/m3 (30) 55.0
 
April 4, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 56.0 ppb (55) N/A 27.0 μg/m3 (25) 6.8 μg/m3 (29) 55.0
 
April 4, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 57.0 ppb (58) N/A 27.9 μg/m3 (26) 7.3 μg/m3 (31) 58.0
 
April 4, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 57.0 ppb (58) N/A 31.1 μg/m3 (29) 7.8 μg/m3 (33) 58.0
 
April 4, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A 36.4 μg/m3 (34) 8.7 μg/m3 (37) 51.0
 
April 4, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A 35.5 μg/m3 (33) 8.8 μg/m3 (37) 40.0
 
April 4, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A 36.8 μg/m3 (35) 9.6 μg/m3 (40) 40.0
 
April 4, 2021, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A 30.6 μg/m3 (29) 10.4 μg/m3 (44) 44.0
 
April 4, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 22.0 ppb (21) N/A 26.1 μg/m3 (25) 10.4 μg/m3 (44) 44.0
 
April 4, 2021, noon N/A N/A N/A 3.0 ppb (3) N/A N/A 20.0 ppb (19) N/A 22.5 μg/m3 (21) 10.2 μg/m3 (43) 43.0
 
April 4, 2021, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 22.0 ppb (21) N/A 22.4 μg/m3 (21) 10.1 μg/m3 (43) 43.0
 
April 4, 2021, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) N/A 23.9 μg/m3 (23) 9.7 μg/m3 (41) 41.0
 
April 4, 2021, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A 24.4 μg/m3 (23) 9.5 μg/m3 (40) 40.0
 
April 4, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A 25.7 μg/m3 (24) 9.4 μg/m3 (40) 40.0
 
April 4, 2021, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A 27.4 μg/m3 (26) 9.7 μg/m3 (41) 41.0
 
April 4, 2021, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A 30.7 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
April 4, 2021, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A 37.6 μg/m3 (35) 10.7 μg/m3 (45) 45.0
 
April 4, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A 39.0 μg/m3 (37) 11.2 μg/m3 (47) 47.0
 
April 4, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) N/A 37.4 μg/m3 (35) 10.8 μg/m3 (46) 46.0
 
April 4, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) N/A 39.6 μg/m3 (37) 11.2 μg/m3 (47) 47.0
 
April 4, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A 50.5 μg/m3 (47) 12.5 μg/m3 (52) 52.0
 
April 4, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A 57.0 ppb (58) N/A 50.6 μg/m3 (47) 11.2 μg/m3 (47) 58.0
 
April 3, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 62.0 ppb (74) N/A 38.1 μg/m3 (36) 11.5 μg/m3 (48) 74.0
 
April 3, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 63.0 ppb (78) N/A 40.5 μg/m3 (38) 14.9 μg/m3 (57) 78.0
 
April 3, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 82.0 ppb (107) N/A 79.2 μg/m3 (63) 46.6 μg/m3 (129) 129.0
 
April 3, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 59.0 ppb (65) N/A 36.8 μg/m3 (35) 12.4 μg/m3 (52) 65.0
 
April 3, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A 41.8 μg/m3 (39) 11.2 μg/m3 (47) 51.0
 
April 3, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 48.0 ppb (45) N/A 43.4 μg/m3 (41) 9.7 μg/m3 (41) 45.0
 
April 3, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) N/A 40.4 μg/m3 (38) 9.4 μg/m3 (40) 40.0
 
April 3, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A 37.0 μg/m3 (35) 9.9 μg/m3 (42) 42.0
 
April 3, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A 37.9 μg/m3 (36) 10.3 μg/m3 (43) 43.0
 
April 3, 2021, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) N/A 40.5 μg/m3 (38) 11.0 μg/m3 (46) 46.0
 
April 3, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 21.0 ppb (20) N/A 28.1 μg/m3 (27) 10.5 μg/m3 (44) 44.0
 
April 3, 2021, noon N/A N/A N/A 3.0 ppb (3) N/A N/A 21.0 ppb (20) N/A 22.3 μg/m3 (21) 10.7 μg/m3 (45) 45.0
 
April 3, 2021, 11 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A 23.6 μg/m3 (22) 10.4 μg/m3 (44) 44.0