ID: 662

AQSQID: 390610040

Site Name: Taft

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

Updated: May 6, 2021, 6:47 p.m.

Location: Cincinnati (Corryville), OH

Reporting: True, Located: True

Current AQI: 39.0

Cincinnati (Corryville) OH, US: 39.12886, -84.50404

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 6, 2021, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (39) 0.23 ppb (3) 10.5 μg/m3 (10) 4.3 μg/m3 (18) 39.0
 
May 6, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.22 ppb (3) 8.5 μg/m3 (8) 3.5 μg/m3 (15) 38.0
 
May 6, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) 0.23 ppb (3) 11.3 μg/m3 (11) 3.9 μg/m3 (17) 35.0
 
May 6, 2021, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (28) 0.24 ppb (3) 12.2 μg/m3 (12) 4.7 μg/m3 (20) 28.0
 
May 6, 2021, 1 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 16.0 ppb (15) 0.38 ppb (5) 16.4 μg/m3 (16) 6.2 μg/m3 (26) 26.0
 
May 6, 2021, noon N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 10.0 ppb (10) 0.5 ppb (6) 18.1 μg/m3 (17) 6.3 μg/m3 (27) 27.0
 
May 6, 2021, 11 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 3.0 ppb (3) 0.56 ppb (7) 20.5 μg/m3 (19) 6.6 μg/m3 (28) 28.0
 
May 6, 2021, 10 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 6.0 ppb (6) 0.34 ppb (4) 16.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
May 6, 2021, 9 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 16.0 ppb (15) 0.28 ppb (4) 11.8 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
May 6, 2021, 8 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 18.0 ppb (17) 0.28 ppb (4) 19.9 μg/m3 (19) 13.3 μg/m3 (54) 54.0
 
May 6, 2021, 7 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (20) 0.22 ppb (3) 10.8 μg/m3 (10) 4.5 μg/m3 (19) 20.0
 
May 6, 2021, 6 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (22) 0.23 ppb (3) 8.9 μg/m3 (9) 3.7 μg/m3 (16) 22.0
 
May 6, 2021, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) 0.25 ppb (3) 9.6 μg/m3 (9) 4.6 μg/m3 (20) 29.0
 
May 6, 2021, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (28) 0.23 ppb (3) 8.5 μg/m3 (8) 3.6 μg/m3 (16) 28.0
 
May 6, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) 0.22 ppb (3) 9.7 μg/m3 (9) 3.5 μg/m3 (15) 30.0
 
May 6, 2021, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (30) 0.23 ppb (3) 8.9 μg/m3 (9) 3.6 μg/m3 (16) 30.0
 
May 6, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (33) 0.23 ppb (3) 8.4 μg/m3 (8) 3.2 μg/m3 (14) 33.0
 
May 6, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (35) 0.19 ppb (3) 6.4 μg/m3 (6) 2.4 μg/m3 (10) 35.0
 
May 5, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.18 ppb (3) 7.5 μg/m3 (7) 2.4 μg/m3 (10) 37.0
 
May 5, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.18 ppb (3) 8.0 μg/m3 (8) 2.5 μg/m3 (11) 39.0
 
May 5, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.18 ppb (3) 7.2 μg/m3 (7) 2.7 μg/m3 (12) 39.0
 
May 5, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.15 ppb (2) 7.8 μg/m3 (8) 2.3 μg/m3 (10) 39.0
 
May 5, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (37) 0.16 ppb (3) 8.6 μg/m3 (8) 2.4 μg/m3 (10) 37.0
 
May 5, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.16 ppb (3) 12.2 μg/m3 (12) 3.0 μg/m3 (13) 37.0
 
May 5, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.16 ppb (3) 12.1 μg/m3 (12) 3.0 μg/m3 (13) 35.0
 
May 5, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.16 ppb (3) 8.5 μg/m3 (8) 3.0 μg/m3 (13) 32.0
 
May 5, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) 0.17 ppb (3) 8.7 μg/m3 (9) 3.0 μg/m3 (13) 28.0
 
May 5, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (21) 0.19 ppb (3) 9.3 μg/m3 (9) 4.6 μg/m3 (20) 21.0
 
May 5, 2021, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (18) 0.25 ppb (3) 11.2 μg/m3 (11) 5.3 μg/m3 (23) 23.0
 
May 5, 2021, noon N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (18) 0.19 ppb (3) 9.1 μg/m3 (9) 5.3 μg/m3 (23) 23.0
 
May 5, 2021, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (19) 0.18 ppb (3) 9.5 μg/m3 (9) 5.6 μg/m3 (24) 24.0
 
May 5, 2021, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (22) 0.17 ppb (3) 8.8 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
May 5, 2021, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) 0.17 ppb (3) 8.6 μg/m3 (8) 5.6 μg/m3 (24) 24.0
 
May 5, 2021, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (23) 0.17 ppb (3) 9.4 μg/m3 (9) 5.4 μg/m3 (23) 23.0
 
May 5, 2021, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) 0.17 ppb (3) 9.8 μg/m3 (10) 5.0 μg/m3 (21) 24.0
 
May 5, 2021, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 9.4 μg/m3 (9) 5.1 μg/m3 (22) 25.0
 
May 5, 2021, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) 0.17 ppb (3) 10.2 μg/m3 (10) 4.8 μg/m3 (20) 25.0
 
May 5, 2021, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) 0.18 ppb (3) 8.7 μg/m3 (9) 4.4 μg/m3 (19) 27.0
 
May 5, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) 0.19 ppb (3) 10.1 μg/m3 (10) 4.4 μg/m3 (19) 27.0
 
May 5, 2021, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) 9.2 μg/m3 (9) 4.1 μg/m3 (18) 25.0
 
May 5, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) 8.3 μg/m3 (8) 3.7 μg/m3 (16) 27.0
 
May 5, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) 7.0 μg/m3 (7) 2.7 μg/m3 (12) 30.0
 
May 4, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.21 ppb (3) 6.1 μg/m3 (6) 2.4 μg/m3 (10) 31.0
 
May 4, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) 0.23 ppb (3) 7.9 μg/m3 (8) 3.5 μg/m3 (15) 28.0
 
May 4, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) 0.25 ppb (3) 11.7 μg/m3 (11) 5.3 μg/m3 (23) 30.0
 
May 4, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 46.0 ppb (43) 0.22 ppb (3) 16.3 μg/m3 (16) 6.7 μg/m3 (28) 43.0
 
May 4, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 45.0 ppb (42) 0.23 ppb (3) 16.5 μg/m3 (16) 7.0 μg/m3 (30) 42.0
 
May 4, 2021, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 43.0 ppb (40) 0.24 ppb (3) 15.6 μg/m3 (15) 6.6 μg/m3 (28) 40.0
 
May 4, 2021, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (39) 0.24 ppb (3) 17.8 μg/m3 (17) 6.6 μg/m3 (28) 39.0
 
May 4, 2021, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 40.0 ppb (38) 0.27 ppb (4) 16.1 μg/m3 (15) 6.6 μg/m3 (28) 38.0
 
May 4, 2021, 3 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 35.0 ppb (33) 0.25 ppb (3) 16.7 μg/m3 (16) 6.2 μg/m3 (26) 33.0
 
May 4, 2021, 2 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 31.0 ppb (29) 0.24 ppb (3) 20.4 μg/m3 (19) 6.6 μg/m3 (28) 29.0
 
May 4, 2021, 1 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (23) 0.26 ppb (4) 15.7 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
May 4, 2021, noon N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 5.0 ppb (5) 0.48 ppb (6) 20.6 μg/m3 (20) 9.4 μg/m3 (40) 40.0
 
May 4, 2021, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 11.0 ppb (11) 0.39 ppb (5) 24.2 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
May 4, 2021, 10 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 18.0 ppb (17) 0.26 ppb (4) 21.3 μg/m3 (20) 8.2 μg/m3 (35) 35.0
 
May 4, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (21) 0.23 ppb (3) 14.5 μg/m3 (14) 7.2 μg/m3 (31) 31.0
 
May 4, 2021, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (21) 0.24 ppb (3) 14.0 μg/m3 (13) 7.1 μg/m3 (30) 30.0
 
May 4, 2021, 7 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (20) 0.25 ppb (3) 15.5 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
May 4, 2021, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) 0.24 ppb (3) 14.9 μg/m3 (14) 7.2 μg/m3 (31) 31.0
 
May 4, 2021, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 25.0 ppb (24) 0.24 ppb (3) 14.8 μg/m3 (14) 8.5 μg/m3 (36) 36.0
 
May 4, 2021, 4 a.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 17.0 ppb (16) 0.31 ppb (4) 17.0 μg/m3 (16) 8.5 μg/m3 (36) 36.0
 
May 4, 2021, 3 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 17.0 ppb (16) 0.33 ppb (4) 15.8 μg/m3 (15) 7.2 μg/m3 (31) 31.0
 
May 4, 2021, 2 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 28.0 ppb (26) 0.35 ppb (4) 13.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
May 4, 2021, 1 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 31.0 ppb (29) 0.3 ppb (4) 11.8 μg/m3 (11) 6.1 μg/m3 (26) 29.0
 
May 4, 2021, midnight N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (31) 0.3 ppb (4) 13.0 μg/m3 (13) 6.9 μg/m3 (29) 31.0
 
May 3, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 38.0 ppb (36) 0.28 ppb (4) 13.9 μg/m3 (13) 7.0 μg/m3 (30) 36.0
 
May 3, 2021, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 39.0 ppb (37) 0.26 ppb (4) 11.9 μg/m3 (12) 6.5 μg/m3 (28) 37.0
 
May 3, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 41.0 ppb (38) 0.25 ppb (3) 11.2 μg/m3 (11) 5.9 μg/m3 (25) 38.0
 
May 3, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 41.0 ppb (38) 0.25 ppb (3) 10.9 μg/m3 (11) 5.6 μg/m3 (24) 38.0
 
May 3, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 39.0 ppb (37) 0.27 ppb (4) 11.0 μg/m3 (11) 5.4 μg/m3 (23) 37.0
 
May 3, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) 0.27 ppb (4) 10.3 μg/m3 (10) 5.7 μg/m3 (24) 38.0
 
May 3, 2021, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 37.0 ppb (35) 0.28 ppb (4) 17.1 μg/m3 (16) 9.5 μg/m3 (40) 40.0
 
May 3, 2021, 4 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 34.0 ppb (32) 0.34 ppb (4) 21.7 μg/m3 (21) 10.4 μg/m3 (44) 44.0
 
May 3, 2021, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (28) 0.31 ppb (4) 18.6 μg/m3 (18) 9.9 μg/m3 (42) 42.0
 
May 3, 2021, 2 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (24) 0.34 ppb (4) 17.2 μg/m3 (16) 9.5 μg/m3 (40) 40.0
 
May 3, 2021, 1 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (24) 0.33 ppb (4) 17.1 μg/m3 (16) 10.4 μg/m3 (44) 44.0
 
May 3, 2021, noon N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (25) 0.34 ppb (4) 15.4 μg/m3 (15) 9.7 μg/m3 (41) 41.0
 
May 3, 2021, 11 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (30) 0.33 ppb (4) 15.8 μg/m3 (15) 9.5 μg/m3 (40) 40.0
 
May 3, 2021, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (34) 0.29 ppb (4) 14.2 μg/m3 (14) 8.5 μg/m3 (36) 36.0
 
May 3, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (34) 0.29 ppb (4) 11.9 μg/m3 (12) 7.8 μg/m3 (33) 34.0
 
May 3, 2021, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.27 ppb (4) 13.2 μg/m3 (13) 8.7 μg/m3 (37) 37.0
 
May 3, 2021, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.27 ppb (4) 14.2 μg/m3 (14) 7.4 μg/m3 (31) 31.0
 
May 3, 2021, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) 0.27 ppb (4) 11.6 μg/m3 (11) 6.5 μg/m3 (28) 30.0
 
May 3, 2021, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) 0.27 ppb (4) 11.1 μg/m3 (11) 6.2 μg/m3 (26) 34.0
 
May 3, 2021, 4 a.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 38.0 ppb (36) 0.31 ppb (4) 12.2 μg/m3 (12) 6.7 μg/m3 (28) 36.0
 
May 3, 2021, 3 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 40.0 ppb (38) 0.32 ppb (4) 12.1 μg/m3 (12) 6.6 μg/m3 (28) 38.0
 
May 3, 2021, 2 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 40.0 ppb (38) 0.34 ppb (4) 12.0 μg/m3 (12) 6.8 μg/m3 (29) 38.0
 
May 3, 2021, 1 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 35.0 ppb (33) 0.37 ppb (5) 15.0 μg/m3 (14) 7.4 μg/m3 (31) 33.0
 
May 3, 2021, midnight N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 40.0 ppb (38) 0.3 ppb (4) 12.8 μg/m3 (12) 6.2 μg/m3 (26) 38.0
 
May 2, 2021, 11 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 39.0 ppb (37) 0.33 ppb (4) 18.9 μg/m3 (18) 7.6 μg/m3 (32) 37.0
 
May 2, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 47.0 ppb (44) 0.3 ppb (4) 15.8 μg/m3 (15) 6.7 μg/m3 (28) 44.0
 
May 2, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 53.0 ppb (50) 0.26 ppb (4) 17.1 μg/m3 (16) 6.3 μg/m3 (27) 50.0
 
May 2, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 55.0 ppb (51) 0.26 ppb (4) 19.3 μg/m3 (18) 6.3 μg/m3 (27) 51.0
 
May 2, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 56.0 ppb (55) 0.25 ppb (3) 17.3 μg/m3 (17) 6.2 μg/m3 (26) 55.0
 
May 2, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 57.0 ppb (58) 0.25 ppb (3) 17.9 μg/m3 (17) 6.3 μg/m3 (27) 58.0
 
May 2, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 58.0 ppb (61) 0.26 ppb (4) 17.5 μg/m3 (17) 6.4 μg/m3 (27) 61.0
 
May 2, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 58.0 ppb (61) 0.27 ppb (4) 19.5 μg/m3 (19) 6.5 μg/m3 (28) 61.0
 
May 2, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 54.0 ppb (50) 0.26 ppb (4) 17.3 μg/m3 (17) 6.3 μg/m3 (27) 50.0
 
May 2, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 51.0 ppb (48) 0.26 ppb (4) 17.8 μg/m3 (17) 6.3 μg/m3 (27) 48.0
 
May 2, 2021, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 49.0 ppb (46) 0.28 ppb (4) 18.1 μg/m3 (17) 6.6 μg/m3 (28) 46.0
 
May 2, 2021, noon N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 49.0 ppb (46) 0.27 ppb (4) 16.6 μg/m3 (16) 6.4 μg/m3 (27) 46.0
 
May 2, 2021, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 51.0 ppb (48) 0.27 ppb (4) 17.5 μg/m3 (17) 6.7 μg/m3 (28) 48.0
 
May 2, 2021, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 51.0 ppb (48) 0.27 ppb (4) 16.4 μg/m3 (16) 7.0 μg/m3 (30) 48.0
 
May 2, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 50.0 ppb (47) 0.27 ppb (4) 16.9 μg/m3 (16) 7.0 μg/m3 (30) 47.0
 
May 2, 2021, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 49.0 ppb (46) 0.26 ppb (4) 15.7 μg/m3 (15) 6.8 μg/m3 (29) 46.0
 
May 2, 2021, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 50.0 ppb (47) 0.27 ppb (4) 18.0 μg/m3 (17) 6.7 μg/m3 (28) 47.0
 
May 2, 2021, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 50.0 ppb (47) 0.26 ppb (4) 16.6 μg/m3 (16) 6.5 μg/m3 (28) 47.0
 
May 2, 2021, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (47) 0.27 ppb (4) 15.2 μg/m3 (15) 6.0 μg/m3 (25) 47.0
 
May 2, 2021, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (47) 0.28 ppb (4) 15.6 μg/m3 (15) 6.2 μg/m3 (26) 47.0
 
May 2, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (45) 0.29 ppb (4) 15.5 μg/m3 (15) 6.3 μg/m3 (27) 45.0
 
May 2, 2021, 2 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 46.0 ppb (43) 0.29 ppb (4) 17.3 μg/m3 (17) 6.5 μg/m3 (28) 43.0
 
May 2, 2021, 1 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 46.0 ppb (43) 0.3 ppb (4) 13.5 μg/m3 (13) 6.2 μg/m3 (26) 43.0
 
May 2, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 51.0 ppb (48) 0.29 ppb (4) 14.1 μg/m3 (14) 5.2 μg/m3 (22) 48.0
 
May 1, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 54.0 ppb (50) 0.26 ppb (4) 14.1 μg/m3 (14) 4.7 μg/m3 (20) 50.0
 
May 1, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (50) 0.24 ppb (3) 13.0 μg/m3 (13) 4.6 μg/m3 (20) 50.0
 
May 1, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (50) 0.25 ppb (3) 11.2 μg/m3 (11) 4.4 μg/m3 (19) 50.0
 
May 1, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (50) 0.24 ppb (3) 10.8 μg/m3 (10) 4.5 μg/m3 (19) 50.0
 
May 1, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) 0.23 ppb (3) 10.9 μg/m3 (11) 4.2 μg/m3 (18) 50.0
 
May 1, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (47) 0.23 ppb (3) 12.1 μg/m3 (12) 4.3 μg/m3 (18) 47.0
 
May 1, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (44) 0.23 ppb (3) 11.1 μg/m3 (11) 4.0 μg/m3 (17) 44.0
 
May 1, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) 0.24 ppb (3) 11.4 μg/m3 (11) 4.0 μg/m3 (17) 40.0
 
May 1, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 36.0 ppb (34) 0.24 ppb (3) 11.9 μg/m3 (12) 4.5 μg/m3 (19) 34.0
 
May 1, 2021, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.24 ppb (3) 13.8 μg/m3 (13) 4.9 μg/m3 (21) 32.0
 
May 1, 2021, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (30) 0.27 ppb (4) 12.1 μg/m3 (12) 5.1 μg/m3 (22) 30.0
 
May 1, 2021, noon N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 26.0 ppb (25) 0.3 ppb (4) 12.1 μg/m3 (12) 5.8 μg/m3 (25) 25.0
 
May 1, 2021, 11 a.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 18.0 ppb (17) 0.38 ppb (5) 11.7 μg/m3 (11) 5.3 μg/m3 (23) 23.0
 
May 1, 2021, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 17.0 ppb (16) 0.24 ppb (3) 10.6 μg/m3 (10) 5.3 μg/m3 (23) 23.0
 
May 1, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (28) 0.22 ppb (3) 10.9 μg/m3 (11) 5.5 μg/m3 (23) 28.0
 
May 1, 2021, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) 0.2 ppb (3) 8.6 μg/m3 (8) 4.3 μg/m3 (18) 31.0
 
May 1, 2021, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) 8.5 μg/m3 (8) 4.3 μg/m3 (18) 32.0
 
May 1, 2021, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.2 ppb (3) 9.0 μg/m3 (9) 4.2 μg/m3 (18) 33.0
 
May 1, 2021, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (34) 0.21 ppb (3) 8.5 μg/m3 (8) 4.1 μg/m3 (18) 34.0
 
May 1, 2021, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.19 ppb (3) 8.3 μg/m3 (8) 4.0 μg/m3 (17) 36.0
 
May 1, 2021, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.2 ppb (3) 9.0 μg/m3 (9) 4.1 μg/m3 (18) 36.0
 
May 1, 2021, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) 0.2 ppb (3) 9.3 μg/m3 (9) 4.0 μg/m3 (17) 38.0
 
May 1, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) 0.19 ppb (3) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 40.0
 
May 1, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (43) 0.18 ppb (3) 9.8 μg/m3 (10) 3.9 μg/m3 (17) 43.0
 
April 30, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (45) 0.18 ppb (3) 10.1 μg/m3 (10) 4.4 μg/m3 (19) 45.0
 
April 30, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (48) 0.16 ppb (3) 12.6 μg/m3 (12) 4.9 μg/m3 (21) 48.0
 
April 30, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 53.0 ppb (50) 0.16 ppb (3) 11.4 μg/m3 (11) 4.3 μg/m3 (18) 50.0
 
April 30, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (50) 0.16 ppb (3) 20.1 μg/m3 (19) 4.7 μg/m3 (20) 50.0
 
April 30, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 53.0 ppb (50) 0.16 ppb (3) 23.3 μg/m3 (22) 5.1 μg/m3 (22) 50.0
 
April 30, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (50) 0.17 ppb (3) 26.3 μg/m3 (25) 5.6 μg/m3 (24) 50.0
 
April 30, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (48) 0.18 ppb (3) 22.1 μg/m3 (21) 5.4 μg/m3 (23) 48.0
 
April 30, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (46) 0.16 ppb (3) 16.2 μg/m3 (15) 4.8 μg/m3 (20) 46.0
 
April 30, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) 0.2 ppb (3) 10.8 μg/m3 (10) 4.9 μg/m3 (21) 38.0
 
April 30, 2021, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 36.0 ppb (34) 0.19 ppb (3) 10.7 μg/m3 (10) 4.9 μg/m3 (21) 34.0
 
April 30, 2021, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (31) 0.21 ppb (3) 12.1 μg/m3 (12) 6.9 μg/m3 (29) 31.0
 
April 30, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (28) 0.23 ppb (3) 17.4 μg/m3 (17) 9.8 μg/m3 (41) 41.0
 
April 30, 2021, 11 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (23) 0.26 ppb (4) 18.5 μg/m3 (18) 11.8 μg/m3 (50) 50.0
 
April 30, 2021, 10 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (24) 0.23 ppb (3) 17.5 μg/m3 (17) 10.6 μg/m3 (45) 45.0
 
April 30, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) 15.1 μg/m3 (14) 8.9 μg/m3 (38) 38.0
 
April 30, 2021, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 28.0 ppb (26) 0.19 ppb (3) 14.2 μg/m3 (14) 8.3 μg/m3 (35) 35.0
 
April 30, 2021, 7 a.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 27.0 ppb (25) 0.2 ppb (3) 12.7 μg/m3 (12) 8.2 μg/m3 (35) 35.0
 
April 30, 2021, 6 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (23) 0.22 ppb (3) 16.1 μg/m3 (15) 10.1 μg/m3 (43) 43.0
 
April 30, 2021, 5 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (25) 0.22 ppb (3) 13.7 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
April 30, 2021, 4 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) 13.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
April 30, 2021, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (28) 0.19 ppb (3) 11.1 μg/m3 (11) 6.7 μg/m3 (28) 28.0
 
April 30, 2021, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.19 ppb (3) 10.5 μg/m3 (10) 6.0 μg/m3 (25) 32.0
 
April 30, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.18 ppb (3) 11.1 μg/m3 (11) 5.8 μg/m3 (25) 36.0
 
April 30, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (37) 0.21 ppb (3) 13.9 μg/m3 (13) 8.7 μg/m3 (37) 37.0
 
April 29, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 41.0 ppb (38) 0.21 ppb (3) 14.1 μg/m3 (14) 8.1 μg/m3 (34) 38.0
 
April 29, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.22 ppb (3) 15.1 μg/m3 (14) 7.6 μg/m3 (32) 38.0
 
April 29, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.22 ppb (3) 11.1 μg/m3 (11) 4.9 μg/m3 (21) 35.0
 
April 29, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.25 ppb (3) 7.8 μg/m3 (8) 3.0 μg/m3 (13) 32.0
 
April 29, 2021, 7 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 30.0 ppb (28) 0.25 ppb (3) 7.9 μg/m3 (8) 3.1 μg/m3 (13) 28.0
 
April 29, 2021, 6 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (27) 0.24 ppb (3) 11.4 μg/m3 (11) 5.0 μg/m3 (21) 27.0