ID: 1107

AQSQID: 390350060

Site Name: G.T.Craig

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

Updated: April 20, 2021, 10:45 a.m.

Location: Cleveland (Industrial Valley), OH

Reporting: True, Located: True

Current AQI: 30.0

Cleveland (Industrial Valley) OH, US: 41.492191, -81.678552

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 20, 2021, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 32.0 ppb (30) N/A 9.6 μg/m3 (9) N/A 30.0
 
April 20, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 8.4 μg/m3 (8) N/A 31.0
 
April 20, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 8.9 μg/m3 (9) N/A 31.0
 
April 20, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 32.0 ppb (30) N/A 9.9 μg/m3 (10) N/A 30.0
 
April 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (10) N/A 10.0
 
April 20, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 37.0 ppb (35) N/A 9.4 μg/m3 (9) N/A 35.0
 
April 20, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 39.0 ppb (37) N/A 9.4 μg/m3 (9) N/A 37.0
 
April 20, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 39.0 ppb (37) N/A 14.5 μg/m3 (14) N/A 37.0
 
April 20, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 37.0 ppb (35) N/A 16.8 μg/m3 (16) N/A 35.0
 
April 20, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 38.0 ppb (36) N/A 22.6 μg/m3 (21) N/A 36.0
 
April 19, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 44.0 ppb (41) 0.0 ppb (0) 27.8 μg/m3 (26) N/A 41.0
 
April 19, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 47.0 ppb (44) 0.01 ppb (0) 33.0 μg/m3 (31) N/A 44.0
 
April 19, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 48.0 ppb (45) 0.0 ppb (0) 43.2 μg/m3 (40) N/A 45.0
 
April 19, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 46.0 ppb (43) N/A 34.7 μg/m3 (33) N/A 43.0
 
April 19, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 46.0 ppb (43) N/A 37.9 μg/m3 (36) N/A 43.0
 
April 19, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 46.0 ppb (43) N/A 40.6 μg/m3 (38) N/A 43.0
 
April 19, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 46.0 ppb (43) N/A 40.3 μg/m3 (38) N/A 43.0
 
April 19, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 45.0 ppb (42) N/A 28.8 μg/m3 (27) N/A 42.0
 
April 19, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 40.0 ppb (38) N/A 27.1 μg/m3 (26) N/A 38.0
 
April 19, 2021, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 34.0 ppb (32) 0.02 ppb (0) 28.0 μg/m3 (26) N/A 32.0
 
April 19, 2021, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 30.0 ppb (28) 0.03 ppb (0) 30.4 μg/m3 (29) N/A 29.0
 
April 19, 2021, noon N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 12.0 ppb (12) 0.21 ppb (3) 73.1 μg/m3 (60) N/A 60.0
 
April 19, 2021, 11 a.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 2.0 ppb (2) 0.23 ppb (3) 96.6 μg/m3 (72) N/A 72.0
 
April 19, 2021, 10 a.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 1.0 ppb (1) 0.14 ppb (2) 57.4 μg/m3 (53) N/A 53.0
 
April 19, 2021, 9 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 7.0 ppb (7) 0.1 ppb (2) 41.7 μg/m3 (39) N/A 39.0
 
April 19, 2021, 8 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 15.0 ppb (14) 0.05 ppb (2) 50.6 μg/m3 (47) N/A 47.0
 
April 19, 2021, 7 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 15.0 ppb (14) 0.07 ppb (2) 31.0 μg/m3 (29) N/A 29.0
 
April 19, 2021, 6 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 15.0 ppb (14) 0.05 ppb (2) 33.6 μg/m3 (32) N/A 32.0
 
April 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.7 μg/m3 (20) N/A 20.0
 
April 19, 2021, 4 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 19.0 ppb (18) 0.06 ppb (2) 19.7 μg/m3 (19) N/A 19.0
 
April 19, 2021, 3 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 28.0 ppb (26) 0.04 ppb (0) 17.3 μg/m3 (17) N/A 26.0
 
April 19, 2021, 2 a.m. N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 24.0 ppb (23) 0.43 ppb (5) 28.0 μg/m3 (26) N/A 26.0
 
April 19, 2021, 1 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 26.0 ppb (25) 0.11 ppb (2) 22.7 μg/m3 (22) N/A 25.0
 
April 19, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 32.0 ppb (30) 0.06 ppb (2) 17.9 μg/m3 (17) N/A 30.0
 
April 18, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 34.0 ppb (32) 0.04 ppb (0) 18.7 μg/m3 (18) N/A 32.0
 
April 18, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 37.0 ppb (35) 0.01 ppb (0) 13.2 μg/m3 (13) N/A 35.0
 
April 18, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 38.0 ppb (36) 0.51 ppb (6) 12.2 μg/m3 (12) N/A 36.0
 
April 18, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 37.0 ppb (35) 0.01 ppb (0) 16.4 μg/m3 (16) N/A 35.0
 
April 18, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 36.0 ppb (34) 0.03 ppb (0) 23.5 μg/m3 (22) N/A 34.0
 
April 18, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 38.0 ppb (36) 0.03 ppb (0) 18.1 μg/m3 (17) N/A 36.0
 
April 18, 2021, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 35.0 ppb (33) 0.04 ppb (0) 19.5 μg/m3 (19) N/A 33.0
 
April 18, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 39.0 ppb (37) 0.06 ppb (2) 18.1 μg/m3 (17) N/A 37.0
 
April 18, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 38.0 ppb (36) 0.06 ppb (2) 15.8 μg/m3 (15) N/A 36.0
 
April 18, 2021, 2 p.m. N/A N/A N/A 7.0 ppb (7) N/A 2.0 ppb (3) 28.0 ppb (26) 0.12 ppb (2) 23.1 μg/m3 (22) N/A 26.0
 
April 18, 2021, 1 p.m. N/A N/A N/A 14.0 ppb (14) N/A 5.0 ppb (8) 14.0 ppb (13) 0.46 ppb (6) 76.6 μg/m3 (62) N/A 62.0
 
April 18, 2021, noon N/A N/A N/A 18.0 ppb (17) N/A 6.0 ppb (9) 7.0 ppb (7) 1.52 ppb (18) 54.7 μg/m3 (51) N/A 51.0
 
April 18, 2021, 11 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 5.0 ppb (5) 0.23 ppb (3) 40.1 μg/m3 (38) N/A 38.0
 
April 18, 2021, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 1.0 ppb (1) 0.57 ppb (7) 38.5 μg/m3 (36) N/A 36.0
 
April 18, 2021, 9 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 0.0 ppb (0) 0.31 ppb (4) 47.4 μg/m3 (44) N/A 44.0
 
April 18, 2021, 8 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 0.0 ppb (0) 0.29 ppb (4) 52.2 μg/m3 (49) N/A 49.0
 
April 18, 2021, 7 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 0.0 ppb (0) 0.31 ppb (4) 51.0 μg/m3 (48) N/A 48.0
 
April 18, 2021, 6 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 0.0 ppb (0) 0.35 ppb (4) 39.7 μg/m3 (37) N/A 37.0
 
April 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) N/A 38.0
 
April 18, 2021, 4 a.m. N/A N/A N/A 25.0 ppb (24) N/A 1.0 ppb (2) 2.0 ppb (2) 0.43 ppb (5) 40.2 μg/m3 (38) N/A 38.0
 
April 18, 2021, 3 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 6.0 ppb (6) 0.24 ppb (3) 35.2 μg/m3 (33) N/A 33.0
 
April 18, 2021, 2 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 13.0 ppb (13) 0.2 ppb (3) 20.4 μg/m3 (19) N/A 19.0
 
April 18, 2021, 1 a.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 26.0 ppb (25) 0.1 ppb (2) 17.5 μg/m3 (17) N/A 25.0
 
April 18, 2021, midnight N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 25.0 ppb (24) 0.08 ppb (2) 16.7 μg/m3 (16) N/A 24.0
 
April 17, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 30.0 ppb (28) 0.1 ppb (2) 16.0 μg/m3 (15) N/A 28.0
 
April 17, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 30.0 ppb (28) 0.1 ppb (2) 13.0 μg/m3 (13) N/A 28.0
 
April 17, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 32.0 ppb (30) 0.07 ppb (2) 11.0 μg/m3 (11) N/A 30.0
 
April 17, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 31.0 ppb (29) 0.06 ppb (2) 6.4 μg/m3 (6) N/A 29.0
 
April 17, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 29.0 ppb (27) 0.06 ppb (2) 8.2 μg/m3 (8) N/A 27.0
 
April 17, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) 0.06 ppb (2) 8.7 μg/m3 (9) N/A 26.0
 
April 17, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 28.0 ppb (26) 0.05 ppb (2) 8.7 μg/m3 (9) N/A 26.0
 
April 17, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) 0.04 ppb (0) 11.2 μg/m3 (11) N/A 25.0
 
April 17, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 25.0 ppb (24) 0.04 ppb (0) 12.0 μg/m3 (12) N/A 24.0
 
April 17, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) 0.05 ppb (2) 10.9 μg/m3 (11) N/A 22.0
 
April 17, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 22.0 ppb (21) 0.07 ppb (2) 9.7 μg/m3 (9) N/A 21.0
 
April 17, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 20.0 ppb (19) 0.08 ppb (2) 10.2 μg/m3 (10) N/A 19.0
 
April 17, 2021, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 20.0 ppb (19) 0.07 ppb (2) 8.9 μg/m3 (9) N/A 19.0
 
April 17, 2021, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 21.0 ppb (20) 0.09 ppb (2) 7.2 μg/m3 (7) N/A 20.0
 
April 17, 2021, 9 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) 0.08 ppb (2) 7.3 μg/m3 (7) N/A 21.0
 
April 17, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) 0.05 ppb (2) 6.7 μg/m3 (7) N/A 22.0
 
April 17, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) 0.05 ppb (2) 8.3 μg/m3 (8) N/A 21.0
 
April 17, 2021, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 21.0 ppb (20) 0.06 ppb (2) 14.1 μg/m3 (14) N/A 20.0
 
April 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.1 μg/m3 (14) N/A 14.0
 
April 17, 2021, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 17.0 ppb (16) 0.07 ppb (2) 14.9 μg/m3 (14) N/A 16.0
 
April 17, 2021, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 21.0 ppb (20) 0.1 ppb (2) 13.3 μg/m3 (13) N/A 20.0
 
April 17, 2021, 2 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 17.0 ppb (16) 0.15 ppb (2) 16.0 μg/m3 (15) N/A 16.0
 
April 17, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 24.0 ppb (23) 0.08 ppb (2) 13.0 μg/m3 (13) N/A 23.0
 
April 17, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 24.0 ppb (23) 0.1 ppb (2) 11.6 μg/m3 (11) N/A 23.0
 
April 16, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 27.0 ppb (25) 0.11 ppb (2) 11.5 μg/m3 (11) N/A 25.0
 
April 16, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 28.0 ppb (26) 0.09 ppb (2) 10.1 μg/m3 (10) N/A 26.0
 
April 16, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 28.0 ppb (26) 0.08 ppb (2) 10.0 μg/m3 (10) N/A 26.0
 
April 16, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 27.0 ppb (25) 0.09 ppb (2) 11.6 μg/m3 (11) N/A 25.0
 
April 16, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 26.0 ppb (25) 0.1 ppb (2) 11.1 μg/m3 (11) N/A 25.0
 
April 16, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 23.0 ppb (22) 0.1 ppb (2) 12.4 μg/m3 (12) N/A 22.0
 
April 16, 2021, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 24.0 ppb (23) 0.1 ppb (2) 13.5 μg/m3 (13) N/A 23.0
 
April 16, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 24.0 ppb (23) 0.1 ppb (2) 12.1 μg/m3 (12) N/A 23.0
 
April 16, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 22.0 ppb (21) 0.08 ppb (2) 12.8 μg/m3 (12) N/A 21.0
 
April 16, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 22.0 ppb (21) 0.09 ppb (2) 9.5 μg/m3 (9) N/A 21.0
 
April 16, 2021, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 20.0 ppb (19) 0.11 ppb (2) 10.1 μg/m3 (10) N/A 19.0
 
April 16, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 20.0 ppb (19) 0.1 ppb (2) 6.8 μg/m3 (7) N/A 19.0
 
April 16, 2021, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 21.0 ppb (20) 0.09 ppb (2) 6.1 μg/m3 (6) N/A 20.0
 
April 16, 2021, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 23.0 ppb (22) 0.08 ppb (2) 8.6 μg/m3 (8) N/A 22.0
 
April 16, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 23.0 ppb (22) 0.09 ppb (2) 11.0 μg/m3 (11) N/A 22.0
 
April 16, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 26.0 ppb (25) 0.06 ppb (2) 9.4 μg/m3 (9) N/A 25.0
 
April 16, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 23.0 ppb (22) 0.07 ppb (2) 8.4 μg/m3 (8) N/A 22.0
 
April 16, 2021, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 20.0 ppb (19) 0.08 ppb (2) 5.6 μg/m3 (6) N/A 19.0
 
April 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (6) N/A 6.0
 
April 16, 2021, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 22.0 ppb (21) 0.08 ppb (2) 6.4 μg/m3 (6) N/A 21.0
 
April 16, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 25.0 ppb (24) 0.1 ppb (2) 5.2 μg/m3 (5) N/A 24.0
 
April 16, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 25.0 ppb (24) 0.11 ppb (2) 5.8 μg/m3 (6) N/A 24.0
 
April 16, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 24.0 ppb (23) 0.11 ppb (2) 6.3 μg/m3 (6) N/A 23.0
 
April 16, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 23.0 ppb (22) 0.11 ppb (2) 4.5 μg/m3 (5) N/A 22.0
 
April 15, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 23.0 ppb (22) 0.1 ppb (2) 6.2 μg/m3 (6) N/A 22.0
 
April 15, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 21.0 ppb (20) 0.1 ppb (2) 6.9 μg/m3 (7) N/A 20.0
 
April 15, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 21.0 ppb (20) 0.1 ppb (2) 8.3 μg/m3 (8) N/A 20.0
 
April 15, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 20.0 ppb (19) 0.1 ppb (2) 9.0 μg/m3 (9) N/A 19.0
 
April 15, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 18.0 ppb (17) 0.11 ppb (2) 10.6 μg/m3 (10) N/A 17.0
 
April 15, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 18.0 ppb (17) 0.13 ppb (2) 12.9 μg/m3 (12) N/A 17.0
 
April 15, 2021, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 20.0 ppb (19) 0.12 ppb (2) 11.9 μg/m3 (12) N/A 19.0
 
April 15, 2021, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 18.0 ppb (17) 0.12 ppb (2) 12.2 μg/m3 (12) N/A 17.0
 
April 15, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 16.0 ppb (15) 0.14 ppb (2) 19.5 μg/m3 (19) N/A 19.0
 
April 15, 2021, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 16.0 ppb (15) 0.15 ppb (2) 15.4 μg/m3 (15) N/A 15.0
 
April 15, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 23.0 ppb (22) 0.15 ppb (2) 14.1 μg/m3 (14) N/A 22.0
 
April 15, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 21.0 ppb (20) 0.16 ppb (3) 16.2 μg/m3 (15) N/A 20.0
 
April 15, 2021, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 19.0 ppb (18) 0.17 ppb (3) 14.9 μg/m3 (14) N/A 18.0
 
April 15, 2021, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 22.0 ppb (21) 0.17 ppb (3) 13.6 μg/m3 (13) N/A 21.0
 
April 15, 2021, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 26.0 ppb (25) 0.14 ppb (2) 14.2 μg/m3 (14) N/A 25.0
 
April 15, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 27.0 ppb (25) 0.15 ppb (2) 12.8 μg/m3 (12) N/A 25.0
 
April 15, 2021, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 25.0 ppb (24) 0.14 ppb (2) 13.1 μg/m3 (13) N/A 24.0
 
April 15, 2021, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) 27.0 ppb (25) 0.13 ppb (2) 12.2 μg/m3 (12) N/A 25.0
 
April 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (12) N/A 12.0
 
April 15, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 26.0 ppb (25) 0.12 ppb (2) 15.7 μg/m3 (15) N/A 25.0
 
April 15, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 30.0 ppb (28) 0.13 ppb (2) 18.6 μg/m3 (18) N/A 28.0
 
April 15, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 37.0 ppb (35) 0.12 ppb (2) 17.9 μg/m3 (17) N/A 35.0
 
April 15, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 43.0 ppb (40) 0.14 ppb (2) 16.8 μg/m3 (16) N/A 40.0
 
April 15, 2021, midnight N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 37.0 ppb (35) 0.22 ppb (3) 18.7 μg/m3 (18) N/A 35.0
 
April 14, 2021, 11 p.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 32.0 ppb (30) 0.28 ppb (4) 18.9 μg/m3 (18) N/A 30.0
 
April 14, 2021, 10 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 39.0 ppb (37) 0.26 ppb (4) 19.3 μg/m3 (18) N/A 37.0
 
April 14, 2021, 9 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 40.0 ppb (38) 0.23 ppb (3) 20.5 μg/m3 (19) N/A 38.0
 
April 14, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 41.0 ppb (38) 0.2 ppb (3) 18.9 μg/m3 (18) N/A 38.0
 
April 14, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 41.0 ppb (38) 0.2 ppb (3) 21.0 μg/m3 (20) N/A 38.0
 
April 14, 2021, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 39.0 ppb (37) 0.17 ppb (3) 20.3 μg/m3 (19) N/A 37.0
 
April 14, 2021, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 40.0 ppb (38) N/A 18.1 μg/m3 (17) N/A 38.0
 
April 14, 2021, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 40.0 ppb (38) N/A 20.1 μg/m3 (19) N/A 38.0
 
April 14, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 38.0 ppb (36) 0.24 ppb (3) 20.2 μg/m3 (19) N/A 36.0
 
April 14, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 36.0 ppb (34) 0.23 ppb (3) 16.2 μg/m3 (15) N/A 34.0
 
April 14, 2021, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 31.0 ppb (29) 0.25 ppb (3) 19.4 μg/m3 (18) N/A 29.0
 
April 14, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 27.0 ppb (25) 0.24 ppb (3) 31.0 μg/m3 (29) N/A 29.0
 
April 14, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) 0.3 ppb (4) 18.3 μg/m3 (17) N/A 22.0
 
April 14, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 24.0 ppb (23) 0.26 ppb (4) 16.1 μg/m3 (15) N/A 23.0
 
April 14, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) 0.21 ppb (3) 13.0 μg/m3 (13) N/A 26.0
 
April 14, 2021, 8 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) 0.19 ppb (3) 11.0 μg/m3 (11) N/A 27.0
 
April 14, 2021, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) 0.19 ppb (3) 11.0 μg/m3 (11) N/A 26.0
 
April 14, 2021, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A 1.3 ppb (15) 12.4 μg/m3 (12) N/A 15.0
 
April 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.5 μg/m3 (14) N/A 14.0
 
April 14, 2021, 4 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 31.0 ppb (29) 0.24 ppb (3) 20.0 μg/m3 (19) N/A 29.0
 
April 14, 2021, 3 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 14.0 ppb (13) 0.5 ppb (6) 45.7 μg/m3 (43) N/A 43.0
 
April 14, 2021, 2 a.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 12.0 ppb (12) 0.49 ppb (6) 64.3 μg/m3 (56) N/A 56.0
 
April 14, 2021, 1 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 29.0 ppb (27) 0.34 ppb (4) 26.5 μg/m3 (25) N/A 27.0
 
April 14, 2021, midnight N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 42.0 ppb (39) 0.29 ppb (4) 18.7 μg/m3 (18) N/A 39.0
 
April 13, 2021, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 41.0 ppb (38) 0.32 ppb (4) 16.1 μg/m3 (15) N/A 38.0
 
April 13, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 44.0 ppb (41) 0.27 ppb (4) 17.8 μg/m3 (17) N/A 41.0
 
April 13, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 45.0 ppb (42) 0.24 ppb (3) 16.1 μg/m3 (15) N/A 42.0
 
April 13, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 43.0 ppb (40) 0.23 ppb (3) 17.2 μg/m3 (16) N/A 40.0
 
April 13, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 42.0 ppb (39) 0.24 ppb (3) 17.2 μg/m3 (16) N/A 39.0
 
April 13, 2021, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 40.0 ppb (38) 0.21 ppb (3) 15.9 μg/m3 (15) N/A 38.0
 
April 13, 2021, 5 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 37.0 ppb (35) 0.21 ppb (3) 18.9 μg/m3 (18) N/A 35.0
 
April 13, 2021, 4 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 35.0 ppb (33) 0.22 ppb (3) 19.2 μg/m3 (18) N/A 33.0
 
April 13, 2021, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 33.0 ppb (31) 0.2 ppb (3) 17.6 μg/m3 (17) N/A 31.0
 
April 13, 2021, 2 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 31.0 ppb (29) 0.2 ppb (3) 19.1 μg/m3 (18) N/A 29.0
 
April 13, 2021, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 29.0 ppb (27) 0.21 ppb (3) 23.8 μg/m3 (23) N/A 27.0
 
April 13, 2021, noon N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 28.0 ppb (26) 0.23 ppb (3) 24.1 μg/m3 (23) N/A 26.0
 
April 13, 2021, 11 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 28.0 ppb (26) 0.2 ppb (3) 19.8 μg/m3 (19) N/A 26.0
 
April 13, 2021, 10 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 25.0 ppb (24) 0.19 ppb (3) 13.8 μg/m3 (13) N/A 24.0