AQSQID: 390610040

Site Name: Taft

Location: Cincinnati (Corryville), OH

Reporting: True, Located: True

Current AQI: 53.0

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
March 29, 2020, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) 0.18 ppb (2) 24.0 μg/m3 (22) 13.3 μg/m3 (53) 53.0
 
March 29, 2020, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.21 ppb (2) 28.0 μg/m3 (25) 13.4 μg/m3 (53) 53.0
 
March 28, 2020, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 37.0 ppb (28) 0.19 ppb (2) 36.0 μg/m3 (33) 12.9 μg/m3 (52) 52.0
 
March 28, 2020, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (29) 0.18 ppb (2) 28.0 μg/m3 (25) 12.4 μg/m3 (51) 51.0
 
March 28, 2020, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 39.0 ppb (30) 0.18 ppb (2) 30.0 μg/m3 (27) 11.7 μg/m3 (49) 49.0
 
March 28, 2020, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 39.0 ppb (30) 0.18 ppb (2) 29.0 μg/m3 (26) 11.5 μg/m3 (48) 48.0
 
March 28, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 41.0 ppb (32) 0.18 ppb (2) 28.0 μg/m3 (25) 11.6 μg/m3 (48) 48.0
 
March 28, 2020, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 39.0 ppb (30) 0.19 ppb (2) 30.0 μg/m3 (27) 11.4 μg/m3 (48) 48.0
 
March 28, 2020, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 35.0 ppb (27) 0.18 ppb (2) 30.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
March 28, 2020, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 36.0 ppb (28) 0.17 ppb (2) 27.0 μg/m3 (25) 12.3 μg/m3 (51) 51.0
 
March 28, 2020, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 32.0 ppb (25) 0.18 ppb (2) 29.0 μg/m3 (26) 12.1 μg/m3 (50) 50.0
 
March 28, 2020, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 31.0 ppb (24) 0.17 ppb (2) 26.0 μg/m3 (24) 12.1 μg/m3 (50) 50.0
 
March 28, 2020, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 27.0 ppb (21) 0.19 ppb (2) 27.0 μg/m3 (25) 13.9 μg/m3 (54) 54.0
 
March 28, 2020, noon N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (18) 0.21 ppb (2) 27.0 μg/m3 (25) 14.8 μg/m3 (56) 56.0
 
March 28, 2020, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.21 ppb (2) 30.0 μg/m3 (27) 16.7 μg/m3 (60) 60.0
 
March 28, 2020, 10 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.23 ppb (3) 32.0 μg/m3 (29) 17.3 μg/m3 (61) 61.0
 
March 28, 2020, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.21 ppb (2) 30.0 μg/m3 (27) 15.6 μg/m3 (58) 58.0
 
March 28, 2020, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) 29.0 μg/m3 (26) 12.6 μg/m3 (51) 51.0
 
March 28, 2020, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (10) 0.26 ppb (3) 23.0 μg/m3 (21) 12.6 μg/m3 (51) 51.0
 
March 28, 2020, 6 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 16.0 ppb (12) 0.31 ppb (3) 28.0 μg/m3 (25) 11.2 μg/m3 (47) 47.0
 
March 28, 2020, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (16) 0.23 ppb (3) 26.0 μg/m3 (24) 11.1 μg/m3 (46) 46.0
 
March 28, 2020, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) 27.0 μg/m3 (25) 12.2 μg/m3 (50) 50.0
 
March 28, 2020, 3 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 23.0 μg/m3 (21) 10.7 μg/m3 (45) 45.0
 
March 28, 2020, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) 0.17 ppb (2) 19.0 μg/m3 (17) 9.7 μg/m3 (40) 40.0
 
March 28, 2020, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (19) 0.18 ppb (2) 22.0 μg/m3 (20) 8.8 μg/m3 (37) 37.0
 
March 28, 2020, midnight N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.18 ppb (2) 23.0 μg/m3 (21) 8.3 μg/m3 (35) 35.0
 
March 27, 2020, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.18 ppb (2) 20.0 μg/m3 (18) 8.1 μg/m3 (34) 34.0
 
March 27, 2020, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) 0.19 ppb (2) 17.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
March 27, 2020, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) 0.22 ppb (2) 16.0 μg/m3 (15) 9.8 μg/m3 (41) 41.0
 
March 27, 2020, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.22 ppb (2) 28.0 μg/m3 (25) 12.1 μg/m3 (50) 50.0
 
March 27, 2020, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) 0.23 ppb (3) 33.0 μg/m3 (30) 13.7 μg/m3 (54) 54.0
 
March 27, 2020, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 39.0 ppb (30) 0.26 ppb (3) 22.0 μg/m3 (20) 8.1 μg/m3 (34) 34.0
 
March 27, 2020, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.21 ppb (2) 24.0 μg/m3 (22) 9.2 μg/m3 (38) 38.0
 
March 27, 2020, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (22) 0.23 ppb (3) 17.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
March 27, 2020, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) 25.0 μg/m3 (23) 14.9 μg/m3 (56) 56.0
 
March 27, 2020, 2 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.21 ppb (2) 27.0 μg/m3 (25) 15.7 μg/m3 (58) 58.0
 
March 27, 2020, 1 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 20.0 ppb (15) 0.23 ppb (3) 25.0 μg/m3 (23) 18.7 μg/m3 (64) 64.0
 
March 27, 2020, noon N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 19.0 ppb (15) 0.24 ppb (3) 26.0 μg/m3 (24) 19.9 μg/m3 (67) 67.0
 
March 27, 2020, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) 27.0 μg/m3 (25) 17.5 μg/m3 (62) 62.0
 
March 27, 2020, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) 33.0 μg/m3 (30) 16.7 μg/m3 (60) 60.0
 
March 27, 2020, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) 0.17 ppb (2) 33.0 μg/m3 (30) 17.3 μg/m3 (61) 61.0
 
March 27, 2020, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.17 ppb (2) 19.0 μg/m3 (17) 14.6 μg/m3 (56) 56.0
 
March 27, 2020, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (29) 0.18 ppb (2) 17.0 μg/m3 (15) 11.3 μg/m3 (47) 47.0
 
March 27, 2020, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 36.0 ppb (28) 0.2 ppb (2) 23.0 μg/m3 (21) 11.2 μg/m3 (47) 47.0
 
March 27, 2020, 5 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 28.0 ppb (22) 0.26 ppb (3) 30.0 μg/m3 (27) 13.1 μg/m3 (52) 52.0
 
March 27, 2020, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 25.0 ppb (19) 0.26 ppb (3) 27.0 μg/m3 (25) 12.4 μg/m3 (51) 51.0
 
March 27, 2020, 3 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 21.0 ppb (16) 0.29 ppb (3) 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
March 27, 2020, 2 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 22.0 ppb (17) 0.32 ppb (4) 27.0 μg/m3 (25) 8.1 μg/m3 (34) 34.0
 
March 27, 2020, 1 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 22.0 ppb (17) 0.34 ppb (4) 18.0 μg/m3 (16) 7.2 μg/m3 (30) 30.0
 
March 27, 2020, midnight N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 19.0 ppb (15) 0.34 ppb (4) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
March 26, 2020, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.25 ppb (3) 13.0 μg/m3 (12) 5.8 μg/m3 (24) 28.0
 
March 26, 2020, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (29) 0.22 ppb (2) 23.0 μg/m3 (21) 4.9 μg/m3 (20) 29.0
 
March 26, 2020, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 39.0 ppb (30) 0.22 ppb (2) 18.0 μg/m3 (16) 5.2 μg/m3 (22) 30.0
 
March 26, 2020, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 42.0 ppb (32) 0.2 ppb (2) 12.0 μg/m3 (11) 4.2 μg/m3 (18) 32.0
 
March 26, 2020, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 45.0 ppb (35) 0.19 ppb (2) 19.0 μg/m3 (17) 4.1 μg/m3 (17) 35.0
 
March 26, 2020, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 2.0 ppb (3) 45.0 ppb (35) 0.19 ppb (2) 16.0 μg/m3 (15) 4.3 μg/m3 (18) 35.0
 
March 26, 2020, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 43.0 ppb (33) 0.19 ppb (2) 17.0 μg/m3 (15) 4.4 μg/m3 (18) 33.0
 
March 26, 2020, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 38.0 ppb (29) 0.2 ppb (2) 15.0 μg/m3 (14) 4.9 μg/m3 (20) 29.0
 
March 26, 2020, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 35.0 ppb (27) 0.2 ppb (2) 18.0 μg/m3 (16) 5.8 μg/m3 (24) 27.0
 
March 26, 2020, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 27.0 ppb (21) 0.22 ppb (2) 22.0 μg/m3 (20) 6.6 μg/m3 (28) 28.0
 
March 26, 2020, 1 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (20) 0.21 ppb (2) 23.0 μg/m3 (21) 6.1 μg/m3 (25) 25.0
 
March 26, 2020, noon N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) 23.0 μg/m3 (21) 5.5 μg/m3 (23) 23.0
 
March 26, 2020, 11 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) 18.0 μg/m3 (16) 5.2 μg/m3 (22) 22.0
 
March 26, 2020, 10 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (21) 0.19 ppb (2) 18.0 μg/m3 (16) 5.3 μg/m3 (22) 22.0
 
March 26, 2020, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) 0.16 ppb (2) 17.0 μg/m3 (15) 5.5 μg/m3 (23) 25.0
 
March 26, 2020, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) 0.18 ppb (2) 20.0 μg/m3 (18) 7.1 μg/m3 (30) 30.0
 
March 26, 2020, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.19 ppb (2) 21.0 μg/m3 (19) 8.5 μg/m3 (35) 35.0
 
March 26, 2020, 6 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
March 26, 2020, 5 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) 27.0 μg/m3 (25) 8.6 μg/m3 (36) 36.0
 
March 26, 2020, 4 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (26) 0.22 ppb (2) 24.0 μg/m3 (22) 8.7 μg/m3 (36) 36.0
 
March 26, 2020, 3 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 35.0 ppb (27) 0.23 ppb (3) 26.0 μg/m3 (24) 7.5 μg/m3 (31) 31.0
 
March 26, 2020, 2 a.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 31.0 ppb (24) 0.28 ppb (3) 26.0 μg/m3 (24) 7.8 μg/m3 (32) 32.0
 
March 26, 2020, 1 a.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 28.0 ppb (22) 0.33 ppb (4) 32.0 μg/m3 (29) 6.5 μg/m3 (27) 29.0
 
March 26, 2020, midnight N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 38.0 ppb (29) 0.25 ppb (3) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 29.0
 
March 25, 2020, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 47.0 ppb (36) 0.19 ppb (2) 21.0 μg/m3 (19) 3.7 μg/m3 (15) 36.0
 
March 25, 2020, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 50.0 ppb (38) 0.18 ppb (2) 21.0 μg/m3 (19) 3.8 μg/m3 (16) 38.0
 
March 25, 2020, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (40) 0.18 ppb (2) 6.0 μg/m3 (5) 3.2 μg/m3 (13) 40.0
 
March 25, 2020, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 47.0 ppb (36) 0.19 ppb (2) 29.0 μg/m3 (26) 4.4 μg/m3 (18) 36.0
 
March 25, 2020, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (37) 0.16 ppb (2) 24.0 μg/m3 (22) 4.1 μg/m3 (17) 37.0
 
March 25, 2020, 6 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 41.0 ppb (32) 0.19 ppb (2) 33.0 μg/m3 (30) 5.1 μg/m3 (21) 32.0
 
March 25, 2020, 5 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 37.0 ppb (28) 0.22 ppb (2) 19.0 μg/m3 (17) 7.1 μg/m3 (30) 30.0
 
March 25, 2020, 4 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 34.0 ppb (26) 0.24 ppb (3) 39.0 μg/m3 (35) 8.6 μg/m3 (36) 36.0
 
March 25, 2020, 3 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 24.0 ppb (18) 0.3 ppb (3) 34.0 μg/m3 (31) 14.5 μg/m3 (55) 55.0
 
March 25, 2020, 2 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 19.0 ppb (15) 0.29 ppb (3) 43.0 μg/m3 (39) 16.8 μg/m3 (60) 60.0
 
March 25, 2020, 1 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 14.0 ppb (11) 0.27 ppb (3) 34.0 μg/m3 (31) 20.4 μg/m3 (68) 68.0
 
March 25, 2020, noon N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 13.0 ppb (10) 0.27 ppb (3) 30.0 μg/m3 (27) 22.5 μg/m3 (72) 72.0
 
March 25, 2020, 11 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 15.0 ppb (12) 0.23 ppb (3) 33.0 μg/m3 (30) 23.2 μg/m3 (74) 74.0
 
March 25, 2020, 10 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 16.0 ppb (12) 0.21 ppb (2) 26.0 μg/m3 (24) 22.4 μg/m3 (72) 72.0
 
March 25, 2020, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.23 ppb (3) 30.0 μg/m3 (27) 21.5 μg/m3 (70) 70.0
 
March 25, 2020, 8 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (14) 0.22 ppb (2) 25.0 μg/m3 (23) 21.4 μg/m3 (70) 70.0
 
March 25, 2020, 7 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (15) 0.22 ppb (2) 28.0 μg/m3 (25) 19.5 μg/m3 (66) 66.0
 
March 25, 2020, 6 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (17) 0.18 ppb (2) 25.0 μg/m3 (23) 15.2 μg/m3 (57) 57.0
 
March 25, 2020, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) 23.0 μg/m3 (21) 13.6 μg/m3 (53) 53.0
 
March 25, 2020, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.17 ppb (2) 26.0 μg/m3 (24) 14.7 μg/m3 (56) 56.0
 
March 25, 2020, 3 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) 0.18 ppb (2) 30.0 μg/m3 (27) 16.1 μg/m3 (59) 59.0
 
March 25, 2020, 2 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.18 ppb (2) 19.0 μg/m3 (17) 14.5 μg/m3 (55) 55.0
 
March 25, 2020, 1 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 28.0 ppb (22) 0.19 ppb (2) 21.0 μg/m3 (19) 13.9 μg/m3 (54) 54.0
 
March 25, 2020, midnight N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 28.0 ppb (22) 0.2 ppb (2) 28.0 μg/m3 (25) 13.2 μg/m3 (53) 53.0
 
March 24, 2020, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.21 ppb (2) 22.0 μg/m3 (20) 10.1 μg/m3 (42) 42.0
 
March 24, 2020, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.19 ppb (2) 26.0 μg/m3 (24) 8.9 μg/m3 (37) 37.0
 
March 24, 2020, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 36.0 ppb (28) 0.18 ppb (2) 25.0 μg/m3 (23) 7.8 μg/m3 (32) 32.0
 
March 24, 2020, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) 31.0 μg/m3 (28) 7.8 μg/m3 (32) 32.0
 
March 24, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (28) 0.18 ppb (2) 23.0 μg/m3 (21) 9.1 μg/m3 (38) 38.0
 
March 24, 2020, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) 0.19 ppb (2) 22.0 μg/m3 (20) 8.7 μg/m3 (36) 36.0
 
March 24, 2020, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 33.0 ppb (25) 0.18 ppb (2) 27.0 μg/m3 (25) 9.3 μg/m3 (39) 39.0
 
March 24, 2020, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (24) 0.18 ppb (2) 20.0 μg/m3 (18) 10.5 μg/m3 (44) 44.0
 
March 24, 2020, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.19 ppb (2) 23.0 μg/m3 (21) 11.3 μg/m3 (47) 47.0
 
March 24, 2020, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.23 ppb (3) 21.0 μg/m3 (19) 11.9 μg/m3 (50) 50.0
 
March 24, 2020, 1 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (18) 0.21 ppb (2) 28.0 μg/m3 (25) 13.2 μg/m3 (53) 53.0
 
March 24, 2020, noon N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 15.0 ppb (12) 0.25 ppb (3) 30.0 μg/m3 (27) 14.5 μg/m3 (55) 55.0
 
March 24, 2020, 11 a.m. N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) 10.0 ppb (8) 0.26 ppb (3) 30.0 μg/m3 (27) 14.8 μg/m3 (56) 56.0
 
March 24, 2020, 10 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 8.0 ppb (6) 0.28 ppb (3) 25.0 μg/m3 (23) 15.4 μg/m3 (57) 57.0
 
March 24, 2020, 9 a.m. N/A N/A N/A 24.0 ppb (22) N/A 0.0 ppb (0) 10.0 ppb (8) 0.25 ppb (3) 31.0 μg/m3 (28) 16.6 μg/m3 (60) 60.0
 
March 24, 2020, 8 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) 28.0 μg/m3 (25) 17.5 μg/m3 (62) 62.0
 
March 24, 2020, 7 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 16.0 ppb (12) 0.19 ppb (2) 28.0 μg/m3 (25) 17.8 μg/m3 (62) 62.0
 
March 24, 2020, 6 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 21.0 ppb (16) 0.19 ppb (2) 25.0 μg/m3 (23) 17.2 μg/m3 (61) 61.0
 
March 24, 2020, 5 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 26.0 μg/m3 (24) 15.3 μg/m3 (57) 57.0
 
March 24, 2020, 4 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 20.0 ppb (15) 0.22 ppb (2) 29.0 μg/m3 (26) 15.2 μg/m3 (57) 57.0
 
March 24, 2020, 3 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 28.0 μg/m3 (25) 15.3 μg/m3 (57) 57.0
 
March 24, 2020, 2 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (22) 0.19 ppb (2) 25.0 μg/m3 (23) 15.0 μg/m3 (56) 56.0
 
March 24, 2020, 1 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 31.0 ppb (24) 0.21 ppb (2) 25.0 μg/m3 (23) 15.4 μg/m3 (57) 57.0
 
March 24, 2020, midnight N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.21 ppb (2) 25.0 μg/m3 (23) 15.2 μg/m3 (57) 57.0
 
March 23, 2020, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.17 ppb (2) 20.0 μg/m3 (18) 11.2 μg/m3 (47) 47.0
 
March 23, 2020, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.17 ppb (2) 17.0 μg/m3 (15) 10.2 μg/m3 (42) 42.0
 
March 23, 2020, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (29) 0.18 ppb (2) 23.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
March 23, 2020, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (27) 0.18 ppb (2) 19.0 μg/m3 (17) 9.5 μg/m3 (40) 40.0
 
March 23, 2020, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.19 ppb (2) N/A 11.1 μg/m3 (46) 46.0
 
March 23, 2020, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.18 ppb (2) N/A 11.5 μg/m3 (48) 48.0
 
March 23, 2020, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.18 ppb (2) 18.0 μg/m3 (16) 11.1 μg/m3 (46) 46.0
 
March 23, 2020, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.19 ppb (2) 18.0 μg/m3 (16) 11.8 μg/m3 (49) 49.0
 
March 23, 2020, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) 0.21 ppb (2) 24.0 μg/m3 (22) 12.5 μg/m3 (51) 51.0
 
March 23, 2020, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 22.0 μg/m3 (20) 10.8 μg/m3 (45) 45.0
 
March 23, 2020, 1 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.21 ppb (2) 21.0 μg/m3 (19) 9.5 μg/m3 (40) 40.0
 
March 23, 2020, noon N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 11.0 ppb (8) 0.25 ppb (3) 26.0 μg/m3 (24) 11.5 μg/m3 (48) 48.0
 
March 23, 2020, 11 a.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 9.0 ppb (7) 0.27 ppb (3) 14.0 μg/m3 (13) 12.5 μg/m3 (51) 51.0
 
March 23, 2020, 10 a.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 7.0 ppb (5) 0.33 ppb (4) 23.0 μg/m3 (21) 11.5 μg/m3 (48) 48.0
 
March 23, 2020, 9 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 18.0 ppb (14) 0.24 ppb (3) 21.0 μg/m3 (19) 9.3 μg/m3 (39) 39.0
 
March 23, 2020, 8 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (17) 0.25 ppb (3) 18.0 μg/m3 (16) 8.2 μg/m3 (34) 34.0
 
March 23, 2020, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.24 ppb (3) 18.0 μg/m3 (16) 7.5 μg/m3 (31) 31.0
 
March 23, 2020, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.22 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
March 23, 2020, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.22 ppb (2) 25.0 μg/m3 (23) 6.9 μg/m3 (29) 29.0
 
March 23, 2020, 4 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (21) 0.28 ppb (3) 17.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
March 23, 2020, 3 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 24.0 ppb (18) 0.29 ppb (3) 15.0 μg/m3 (14) 8.4 μg/m3 (35) 35.0
 
March 23, 2020, 2 a.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 18.0 ppb (14) 0.28 ppb (3) 22.0 μg/m3 (20) 10.1 μg/m3 (42) 42.0
 
March 23, 2020, 1 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (19) 0.23 ppb (3) 19.0 μg/m3 (17) 9.2 μg/m3 (38) 38.0
 
March 23, 2020, midnight N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) 17.0 μg/m3 (15) 8.9 μg/m3 (37) 37.0
 
March 22, 2020, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) 22.0 μg/m3 (20) 9.1 μg/m3 (38) 38.0
 
March 22, 2020, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) 20.0 μg/m3 (18) 7.8 μg/m3 (32) 32.0
 
March 22, 2020, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (27) 0.19 ppb (2) 17.0 μg/m3 (15) 6.5 μg/m3 (27) 27.0
 
March 22, 2020, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.18 ppb (2) 22.0 μg/m3 (20) 5.7 μg/m3 (24) 27.0
 
March 22, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.18 ppb (2) 12.0 μg/m3 (11) 5.9 μg/m3 (25) 27.0
 
March 22, 2020, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) 0.18 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 28.0
 
March 22, 2020, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.18 ppb (2) 16.0 μg/m3 (15) 5.7 μg/m3 (24) 28.0
 
March 22, 2020, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.17 ppb (2) 8.0 μg/m3 (7) 5.9 μg/m3 (25) 26.0
 
March 22, 2020, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.17 ppb (2) 14.0 μg/m3 (13) 6.2 μg/m3 (26) 26.0
 
March 22, 2020, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.16 ppb (2) 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
March 22, 2020, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) 13.0 μg/m3 (12) 8.9 μg/m3 (37) 37.0
 
March 22, 2020, noon N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) 14.0 μg/m3 (13) 8.8 μg/m3 (37) 37.0
 
March 22, 2020, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) 7.0 μg/m3 (6) 7.7 μg/m3 (32) 32.0
 
March 22, 2020, 10 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.16 ppb (2) 13.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
March 22, 2020, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.16 ppb (2) 5.0 μg/m3 (5) 5.8 μg/m3 (24) 24.0
 
March 22, 2020, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.15 ppb (2) 8.0 μg/m3 (7) 5.3 μg/m3 (22) 22.0
 
March 22, 2020, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (24) 0.14 ppb (2) 12.0 μg/m3 (11) 5.4 μg/m3 (23) 24.0
 
March 22, 2020, 6 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.14 ppb (2) 9.0 μg/m3 (8) 5.1 μg/m3 (21) 25.0
 
March 22, 2020, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) 0.14 ppb (2) 7.0 μg/m3 (6) 4.4 μg/m3 (18) 26.0
 
March 22, 2020, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) 0.14 ppb (2) 14.0 μg/m3 (13) 5.6 μg/m3 (23) 25.0
 
March 22, 2020, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) 0.16 ppb (2) 19.0 μg/m3 (17) 7.2 μg/m3 (30) 30.0
 
March 22, 2020, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.16 ppb (2) 14.0 μg/m3 (13) 8.5 μg/m3 (35) 35.0