AQSQID: 390350060

Site Name: G.T.Craig

Location: Cleveland (Orange Ave), OH

Reporting: True, Located: True

Current AQI: 29.0

Cleveland (Orange Ave) OH, US: 41.492191, -81.678552

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 23, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.13 ppb (1) 10.0 μg/m3 (9) 4.8 μg/m3 (20) 29.0
 
March 23, 2019, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) 9.0 μg/m3 (8) 4.5 μg/m3 (19) 28.0
 
March 23, 2019, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (27) 0.16 ppb (2) 10.0 μg/m3 (9) 5.6 μg/m3 (23) 27.0
 
March 23, 2019, noon N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) 10.0 μg/m3 (9) 5.4 μg/m3 (23) 26.0
 
March 23, 2019, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) 8.0 μg/m3 (7) 5.9 μg/m3 (25) 26.0
 
March 23, 2019, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 28.0
 
March 23, 2019, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 37.0 ppb (28) 0.13 ppb (1) 5.0 μg/m3 (5) 3.9 μg/m3 (16) 28.0
 
March 23, 2019, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 38.0 ppb (29) 0.13 ppb (1) 4.0 μg/m3 (4) 3.5 μg/m3 (15) 29.0
 
March 23, 2019, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 38.0 ppb (29) 0.13 ppb (1) 2.0 μg/m3 (2) 3.1 μg/m3 (13) 29.0
 
March 23, 2019, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 35.0 ppb (27) 0.14 ppb (2) 4.0 μg/m3 (4) 2.8 μg/m3 (12) 27.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 3.2 μg/m3 (13) 13.0
 
March 23, 2019, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.12 ppb (1) 5.0 μg/m3 (5) 6.5 μg/m3 (27) 27.0
 
March 23, 2019, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) 0.15 ppb (2) 4.0 μg/m3 (4) 5.8 μg/m3 (24) 28.0
 
March 23, 2019, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) 6.0 μg/m3 (5) 4.8 μg/m3 (20) 26.0
 
March 23, 2019, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) 0.15 ppb (2) 7.0 μg/m3 (6) 3.6 μg/m3 (15) 25.0
 
March 23, 2019, midnight N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.15 ppb (2) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 25.0
 
March 22, 2019, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) 0.16 ppb (2) 6.0 μg/m3 (5) 5.3 μg/m3 (22) 25.0
 
March 22, 2019, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.18 ppb (2) 7.0 μg/m3 (6) 6.7 μg/m3 (28) 28.0
 
March 22, 2019, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.19 ppb (2) 8.0 μg/m3 (7) 4.3 μg/m3 (18) 25.0
 
March 22, 2019, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) 7.0 μg/m3 (6) 4.0 μg/m3 (17) 25.0
 
March 22, 2019, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) 7.0 μg/m3 (6) 5.1 μg/m3 (21) 26.0
 
March 22, 2019, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.16 ppb (2) 9.0 μg/m3 (8) 6.9 μg/m3 (29) 29.0
 
March 22, 2019, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.15 ppb (2) 11.0 μg/m3 (10) 5.6 μg/m3 (23) 28.0
 
March 22, 2019, 4 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (25) 0.16 ppb (2) 5.0 μg/m3 (5) 7.6 μg/m3 (32) 32.0
 
March 22, 2019, 3 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 30.0 ppb (23) 0.19 ppb (2) 5.0 μg/m3 (5) 17.6 μg/m3 (62) 62.0
 
March 22, 2019, 2 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 25.0 ppb (19) 0.23 ppb (3) 11.0 μg/m3 (10) 19.8 μg/m3 (67) 67.0
 
March 22, 2019, 1 p.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) 10.0 μg/m3 (9) 18.4 μg/m3 (64) 64.0
 
March 22, 2019, noon N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 10.0 μg/m3 (9) 17.2 μg/m3 (61) 61.0
 
March 22, 2019, 11 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 27.0 ppb (21) 0.19 ppb (2) 26.0 μg/m3 (24) 15.7 μg/m3 (58) 58.0
 
March 22, 2019, 10 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 32.0 ppb (25) 0.18 ppb (2) 19.0 μg/m3 (17) 11.3 μg/m3 (47) 47.0
 
March 22, 2019, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.15 ppb (2) 6.0 μg/m3 (5) 6.9 μg/m3 (29) 30.0
 
March 22, 2019, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.15 ppb (2) 3.0 μg/m3 (3) 8.1 μg/m3 (34) 34.0
 
March 22, 2019, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.15 ppb (2) 2.0 μg/m3 (2) 7.6 μg/m3 (32) 32.0
 
March 22, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.16 ppb (2) 5.0 μg/m3 (5) 9.8 μg/m3 (41) 41.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 17.0 μg/m3 (61) 61.0
 
March 22, 2019, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.17 ppb (2) 6.0 μg/m3 (5) 11.5 μg/m3 (48) 48.0
 
March 22, 2019, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) 0.19 ppb (2) 6.0 μg/m3 (5) 14.5 μg/m3 (55) 55.0
 
March 22, 2019, 2 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.22 ppb (2) 8.0 μg/m3 (7) 18.4 μg/m3 (64) 64.0
 
March 22, 2019, 1 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 31.0 ppb (24) 0.24 ppb (3) 10.0 μg/m3 (9) 20.5 μg/m3 (68) 68.0
 
March 22, 2019, midnight N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 32.0 ppb (25) 0.26 ppb (3) 9.0 μg/m3 (8) 24.6 μg/m3 (77) 77.0
 
March 21, 2019, 11 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) 15.0 μg/m3 (14) 18.8 μg/m3 (64) 64.0
 
March 21, 2019, 10 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 30.0 ppb (23) 0.32 ppb (4) 12.0 μg/m3 (11) 18.5 μg/m3 (64) 64.0
 
March 21, 2019, 9 p.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 26.0 ppb (20) 0.34 ppb (4) 22.0 μg/m3 (20) 20.7 μg/m3 (69) 69.0
 
March 21, 2019, 8 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 26.0 ppb (20) 0.36 ppb (4) 28.0 μg/m3 (25) 18.3 μg/m3 (63) 63.0
 
March 21, 2019, 7 p.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 26.0 ppb (20) 0.31 ppb (3) 22.0 μg/m3 (20) 13.6 μg/m3 (53) 53.0
 
March 21, 2019, 6 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 24.0 ppb (18) 0.28 ppb (3) 9.0 μg/m3 (8) 18.7 μg/m3 (64) 64.0
 
March 21, 2019, 5 p.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 26.0 ppb (20) 0.26 ppb (3) 20.0 μg/m3 (18) 14.1 μg/m3 (54) 54.0
 
March 21, 2019, 4 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 30.0 ppb (23) 0.24 ppb (3) 16.0 μg/m3 (15) 15.4 μg/m3 (57) 57.0
 
March 21, 2019, 3 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 25.0 ppb (19) 0.23 ppb (3) 11.0 μg/m3 (10) 13.4 μg/m3 (53) 53.0
 
March 21, 2019, 2 p.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) 28.0 ppb (22) 0.24 ppb (3) 11.0 μg/m3 (10) 13.9 μg/m3 (54) 54.0
 
March 21, 2019, 1 p.m. N/A N/A N/A 24.0 ppb (22) N/A 0.0 ppb (0) 16.0 ppb (12) 0.29 ppb (3) 23.0 μg/m3 (21) 18.8 μg/m3 (64) 64.0
 
March 21, 2019, noon N/A N/A N/A 35.0 ppb (32) N/A 0.0 ppb (0) 13.0 ppb (10) 0.38 ppb (4) 19.0 μg/m3 (17) 19.9 μg/m3 (67) 67.0
 
March 21, 2019, 11 a.m. N/A N/A N/A 32.0 ppb (30) N/A 0.0 ppb (0) 13.0 ppb (10) 0.47 ppb (5) 25.0 μg/m3 (23) 15.7 μg/m3 (58) 58.0
 
March 21, 2019, 10 a.m. N/A N/A N/A 30.0 ppb (28) N/A 0.0 ppb (0) 16.0 ppb (12) 0.61 ppb (7) 22.0 μg/m3 (20) 11.1 μg/m3 (46) 46.0
 
March 21, 2019, 9 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) 10.0 μg/m3 (9) 16.5 μg/m3 (60) 60.0
 
March 21, 2019, 8 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 17.0 ppb (13) 0.22 ppb (2) 12.0 μg/m3 (11) 15.8 μg/m3 (58) 58.0
 
March 21, 2019, 7 a.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 27.0 ppb (21) 0.21 ppb (2) 15.0 μg/m3 (14) 14.8 μg/m3 (56) 56.0
 
March 21, 2019, 6 a.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 40.0 ppb (31) 0.29 ppb (3) 25.0 μg/m3 (23) 9.7 μg/m3 (40) 40.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 10.3 μg/m3 (43) 43.0
 
March 21, 2019, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 44.0 ppb (34) 0.13 ppb (1) 10.0 μg/m3 (9) 8.8 μg/m3 (37) 37.0
 
March 21, 2019, 3 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 40.0 ppb (31) 0.21 ppb (2) 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
March 21, 2019, 2 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 39.0 ppb (30) 0.26 ppb (3) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
March 21, 2019, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 48.0 ppb (37) 0.14 ppb (2) 11.0 μg/m3 (10) 9.1 μg/m3 (38) 38.0
 
March 21, 2019, midnight N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 49.0 ppb (38) 0.14 ppb (2) 12.0 μg/m3 (11) 10.0 μg/m3 (42) 42.0
 
March 20, 2019, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 50.0 ppb (38) 0.15 ppb (2) 28.0 μg/m3 (25) 8.6 μg/m3 (36) 38.0
 
March 20, 2019, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 48.0 ppb (37) 0.18 ppb (2) 29.0 μg/m3 (26) 7.7 μg/m3 (32) 37.0
 
March 20, 2019, 9 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 49.0 ppb (38) 0.17 ppb (2) 44.0 μg/m3 (40) 8.7 μg/m3 (36) 40.0
 
March 20, 2019, 8 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 46.0 ppb (35) 0.17 ppb (2) 37.0 μg/m3 (34) 11.2 μg/m3 (47) 47.0
 
March 20, 2019, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 49.0 ppb (38) 0.17 ppb (2) 35.0 μg/m3 (32) 9.8 μg/m3 (41) 41.0
 
March 20, 2019, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 49.0 ppb (38) 0.23 ppb (3) 21.0 μg/m3 (19) 12.1 μg/m3 (50) 50.0
 
March 20, 2019, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 46.0 ppb (35) 0.17 ppb (2) 24.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
March 20, 2019, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 46.0 ppb (35) 0.16 ppb (2) 26.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
March 20, 2019, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A 2.0 ppb (3) 43.0 ppb (33) 0.16 ppb (2) 22.0 μg/m3 (20) 23.1 μg/m3 (74) 74.0
 
March 20, 2019, 2 p.m. N/A N/A N/A 18.0 ppb (17) N/A 6.0 ppb (9) 30.0 ppb (23) 0.44 ppb (5) 90.0 μg/m3 (68) 27.1 μg/m3 (82) 82.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 14.0 ppb (11) 0.39 ppb (4) 110.0 μg/m3 (78) 26.3 μg/m3 (80) 80.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 0.48 ppb (5) 94.0 μg/m3 (70) 25.5 μg/m3 (79) 79.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.4 ppb (4) 84.0 μg/m3 (64) 22.8 μg/m3 (73) 73.0
 
March 20, 2019, 10 a.m. N/A N/A N/A 42.0 ppb (39) N/A 1.0 ppb (1) 3.0 ppb (2) 0.43 ppb (5) 37.0 μg/m3 (34) 23.7 μg/m3 (75) 75.0
 
March 20, 2019, 9 a.m. N/A N/A N/A 42.0 ppb (39) N/A 1.0 ppb (1) 2.0 ppb (2) 0.38 ppb (4) 33.0 μg/m3 (30) 24.5 μg/m3 (77) 77.0
 
March 20, 2019, 8 a.m. N/A N/A N/A 40.0 ppb (37) N/A N/A 2.0 ppb (2) 0.4 ppb (4) 43.0 μg/m3 (39) 25.3 μg/m3 (78) 78.0
 
March 20, 2019, 7 a.m. N/A N/A N/A 42.0 ppb (39) N/A 0.0 ppb (0) 1.0 ppb (1) 0.39 ppb (4) 32.0 μg/m3 (29) 24.3 μg/m3 (76) 76.0
 
March 20, 2019, 6 a.m. N/A N/A N/A 43.0 ppb (40) N/A 1.0 ppb (1) 1.0 ppb (1) 1.56 ppb (17) 36.0 μg/m3 (33) 20.7 μg/m3 (69) 69.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (37) 21.0 μg/m3 (69) 69.0
 
March 20, 2019, 4 a.m. N/A N/A N/A 41.0 ppb (38) N/A 1.0 ppb (1) 5.0 ppb (4) 0.64 ppb (7) 39.0 μg/m3 (35) 26.6 μg/m3 (81) 81.0
 
March 20, 2019, 3 a.m. N/A N/A N/A 47.0 ppb (44) N/A 1.0 ppb (1) 2.0 ppb (2) 0.63 ppb (7) 55.0 μg/m3 (50) 28.4 μg/m3 (85) 85.0
 
March 20, 2019, 2 a.m. N/A N/A N/A 48.0 ppb (44) N/A 1.0 ppb (1) 3.0 ppb (2) 0.75 ppb (8) 57.0 μg/m3 (51) 20.2 μg/m3 (67) 67.0
 
March 20, 2019, 1 a.m. N/A N/A N/A 35.0 ppb (32) N/A 0.0 ppb (0) 17.0 ppb (13) 0.36 ppb (4) 47.0 μg/m3 (43) 19.4 μg/m3 (66) 66.0
 
March 20, 2019, midnight N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 29.0 ppb (22) 0.38 ppb (4) 30.0 μg/m3 (27) 16.5 μg/m3 (60) 60.0
 
March 19, 2019, 11 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 37.0 ppb (28) 0.29 ppb (3) 24.0 μg/m3 (22) 15.0 μg/m3 (56) 56.0
 
March 19, 2019, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 47.0 ppb (36) 0.2 ppb (2) 15.0 μg/m3 (14) 14.3 μg/m3 (55) 55.0
 
March 19, 2019, 9 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 44.0 ppb (34) 0.26 ppb (3) 24.0 μg/m3 (22) 12.7 μg/m3 (51) 51.0
 
March 19, 2019, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) 24.0 μg/m3 (22) 15.2 μg/m3 (57) 57.0
 
March 19, 2019, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) 32.0 μg/m3 (29) 19.2 μg/m3 (65) 65.0
 
March 19, 2019, 6 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 44.0 ppb (34) 0.2 ppb (2) 89.0 μg/m3 (67) 18.9 μg/m3 (65) 67.0
 
March 19, 2019, 5 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 41.0 ppb (32) 0.21 ppb (2) 55.0 μg/m3 (50) 19.2 μg/m3 (65) 65.0
 
March 19, 2019, 4 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 37.0 ppb (28) 0.21 ppb (2) 22.0 μg/m3 (20) 13.5 μg/m3 (53) 53.0
 
March 19, 2019, 3 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 37.0 ppb (28) 0.2 ppb (2) 23.0 μg/m3 (21) 17.0 μg/m3 (61) 61.0
 
March 19, 2019, 2 p.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) 31.0 ppb (24) 0.25 ppb (3) 25.0 μg/m3 (23) 20.1 μg/m3 (67) 67.0
 
March 19, 2019, 1 p.m. N/A N/A N/A 31.0 ppb (29) N/A 1.0 ppb (1) 15.0 ppb (12) 0.37 ppb (4) 42.0 μg/m3 (38) 20.2 μg/m3 (67) 67.0
 
March 19, 2019, noon N/A N/A N/A 41.0 ppb (38) N/A 1.0 ppb (1) 6.0 ppb (5) 0.49 ppb (5) 62.0 μg/m3 (54) 21.0 μg/m3 (69) 69.0
 
March 19, 2019, 11 a.m. N/A N/A N/A 44.0 ppb (41) N/A 0.0 ppb (0) 2.0 ppb (2) 0.48 ppb (5) 42.0 μg/m3 (38) 26.6 μg/m3 (81) 81.0
 
March 19, 2019, 10 a.m. N/A N/A N/A 42.0 ppb (39) N/A 1.0 ppb (1) 2.0 ppb (2) 0.54 ppb (6) 46.0 μg/m3 (42) 30.9 μg/m3 (90) 90.0
 
March 19, 2019, 9 a.m. N/A N/A N/A 41.0 ppb (38) N/A 1.0 ppb (1) 1.0 ppb (1) 0.65 ppb (7) 55.0 μg/m3 (50) 30.5 μg/m3 (89) 89.0
 
March 19, 2019, 8 a.m. N/A N/A N/A 36.0 ppb (33) N/A 1.0 ppb (1) 2.0 ppb (2) 0.61 ppb (7) 34.0 μg/m3 (31) 24.0 μg/m3 (76) 76.0
 
March 19, 2019, 7 a.m. N/A N/A N/A 39.0 ppb (36) N/A 1.0 ppb (1) 1.0 ppb (1) 0.46 ppb (5) 30.0 μg/m3 (27) 26.4 μg/m3 (81) 81.0
 
March 19, 2019, 6 a.m. N/A N/A N/A 43.0 ppb (40) N/A 1.0 ppb (1) 1.0 ppb (1) 0.46 ppb (5) 37.0 μg/m3 (34) 25.8 μg/m3 (79) 79.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 23.4 μg/m3 (74) 74.0
 
March 19, 2019, 4 a.m. N/A N/A N/A 37.0 ppb (34) N/A 0.0 ppb (0) 7.0 ppb (5) 0.39 ppb (4) 23.0 μg/m3 (21) 21.4 μg/m3 (70) 70.0
 
March 19, 2019, 3 a.m. N/A N/A N/A 36.0 ppb (33) N/A 0.0 ppb (0) 9.0 ppb (7) 0.5 ppb (6) 21.0 μg/m3 (19) 22.5 μg/m3 (72) 72.0
 
March 19, 2019, 2 a.m. N/A N/A N/A 39.0 ppb (36) N/A 0.0 ppb (0) 8.0 ppb (6) 0.42 ppb (5) 25.0 μg/m3 (23) 24.2 μg/m3 (76) 76.0
 
March 19, 2019, 1 a.m. N/A N/A N/A 31.0 ppb (29) N/A 0.0 ppb (0) 14.0 ppb (11) 0.36 ppb (4) 29.0 μg/m3 (26) 17.3 μg/m3 (61) 61.0
 
March 19, 2019, midnight N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 32.0 ppb (25) 0.23 ppb (3) 19.0 μg/m3 (17) 17.8 μg/m3 (62) 62.0
 
March 18, 2019, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) 10.0 μg/m3 (9) 18.9 μg/m3 (65) 65.0
 
March 18, 2019, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) 14.0 μg/m3 (13) 19.2 μg/m3 (65) 65.0
 
March 18, 2019, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) 15.0 μg/m3 (14) 17.4 μg/m3 (61) 61.0
 
March 18, 2019, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) 15.0 μg/m3 (14) 17.3 μg/m3 (61) 61.0
 
March 18, 2019, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) 18.0 μg/m3 (16) 16.3 μg/m3 (59) 59.0
 
March 18, 2019, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (29) 0.18 ppb (2) 14.0 μg/m3 (13) 17.8 μg/m3 (62) 62.0
 
March 18, 2019, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.17 ppb (2) 12.0 μg/m3 (11) 18.0 μg/m3 (63) 63.0
 
March 18, 2019, 4 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 34.0 ppb (26) 0.19 ppb (2) 19.0 μg/m3 (17) 19.3 μg/m3 (66) 66.0
 
March 18, 2019, 3 p.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 27.0 ppb (21) 0.22 ppb (2) 18.0 μg/m3 (16) 24.4 μg/m3 (76) 76.0
 
March 18, 2019, 2 p.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) 19.0 ppb (15) 0.3 ppb (3) 28.0 μg/m3 (25) 26.8 μg/m3 (81) 81.0
 
March 18, 2019, 1 p.m. N/A N/A N/A 28.0 ppb (26) N/A 0.0 ppb (0) 11.0 ppb (8) 0.42 ppb (5) 30.0 μg/m3 (27) 21.9 μg/m3 (71) 71.0
 
March 18, 2019, noon N/A N/A N/A 34.0 ppb (31) N/A 0.0 ppb (0) 6.0 ppb (5) 0.43 ppb (5) 28.0 μg/m3 (25) 17.4 μg/m3 (61) 61.0
 
March 18, 2019, 11 a.m. N/A N/A N/A 37.0 ppb (34) N/A 0.0 ppb (0) 3.0 ppb (2) 0.4 ppb (4) 19.0 μg/m3 (17) 18.5 μg/m3 (64) 64.0
 
March 18, 2019, 10 a.m. N/A N/A N/A 40.0 ppb (37) N/A 0.0 ppb (0) 1.0 ppb (1) 0.43 ppb (5) 20.0 μg/m3 (18) 11.5 μg/m3 (48) 48.0
 
March 18, 2019, 9 a.m. N/A N/A N/A 40.0 ppb (37) N/A 0.0 ppb (0) 2.0 ppb (2) 0.37 ppb (4) 16.0 μg/m3 (15) 8.3 μg/m3 (35) 37.0
 
March 18, 2019, 8 a.m. N/A N/A N/A 40.0 ppb (37) N/A 0.0 ppb (0) 2.0 ppb (2) 0.39 ppb (4) 13.0 μg/m3 (12) 7.6 μg/m3 (32) 37.0
 
March 18, 2019, 7 a.m. N/A N/A N/A 34.0 ppb (31) N/A 0.0 ppb (0) 8.0 ppb (6) 0.3 ppb (3) 13.0 μg/m3 (12) 3.4 μg/m3 (14) 31.0
 
March 18, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.14 ppb (2) 10.0 μg/m3 (9) 2.1 μg/m3 (9) 28.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 3.7 μg/m3 (15) 15.0
 
March 18, 2019, 4 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 37.0 ppb (28) 0.17 ppb (2) 9.0 μg/m3 (8) 5.5 μg/m3 (23) 28.0
 
March 18, 2019, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 35.0 ppb (27) 0.24 ppb (3) 14.0 μg/m3 (13) 4.4 μg/m3 (18) 27.0
 
March 18, 2019, 2 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 36.0 ppb (28) 0.19 ppb (2) 10.0 μg/m3 (9) 4.8 μg/m3 (20) 28.0
 
March 18, 2019, 1 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 36.0 ppb (28) 0.19 ppb (2) 10.0 μg/m3 (9) 4.7 μg/m3 (20) 28.0
 
March 18, 2019, midnight N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.19 ppb (2) 9.0 μg/m3 (8) 4.9 μg/m3 (20) 30.0
 
March 17, 2019, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (29) 0.21 ppb (2) 10.0 μg/m3 (9) 4.9 μg/m3 (20) 29.0
 
March 17, 2019, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.23 ppb (3) 11.0 μg/m3 (10) 3.1 μg/m3 (13) 28.0
 
March 17, 2019, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (29) 0.24 ppb (3) 11.0 μg/m3 (10) 0.2 μg/m3 (1) 29.0
 
March 17, 2019, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.23 ppb (3) 11.0 μg/m3 (10) 1.4 μg/m3 (6) 30.0
 
March 17, 2019, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.23 ppb (3) 10.0 μg/m3 (9) 3.3 μg/m3 (14) 30.0
 
March 17, 2019, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 30.0
 
March 17, 2019, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (29) 0.18 ppb (2) 8.0 μg/m3 (7) 2.2 μg/m3 (9) 29.0
 
March 17, 2019, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 36.0 ppb (28) 0.23 ppb (3) 12.0 μg/m3 (11) 3.4 μg/m3 (14) 28.0
 
March 17, 2019, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 37.0 ppb (28) 0.35 ppb (4) 13.0 μg/m3 (12) 4.8 μg/m3 (20) 28.0
 
March 17, 2019, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (29) 0.17 ppb (2) 6.0 μg/m3 (5) 5.6 μg/m3 (23) 29.0
 
March 17, 2019, noon N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 31.0 ppb (24) 0.18 ppb (2) 17.0 μg/m3 (15) 5.7 μg/m3 (24) 24.0
 
March 17, 2019, 11 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 31.0 ppb (24) 0.17 ppb (2) 10.0 μg/m3 (9) 5.2 μg/m3 (22) 24.0
 
March 17, 2019, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) 0.14 ppb (2) 6.0 μg/m3 (5) 6.2 μg/m3 (26) 28.0
 
March 17, 2019, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (25) 0.15 ppb (2) 6.0 μg/m3 (5) 3.8 μg/m3 (16) 25.0
 
March 17, 2019, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.14 ppb (2) 5.0 μg/m3 (5) 2.7 μg/m3 (11) 26.0
 
March 17, 2019, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) 0.13 ppb (1) 4.0 μg/m3 (4) 3.8 μg/m3 (16) 28.0
 
March 17, 2019, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (29) 0.13 ppb (1) 5.0 μg/m3 (5) 2.3 μg/m3 (10) 29.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.2 μg/m3 (5) 5.0
 
March 17, 2019, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.15 ppb (2) 6.0 μg/m3 (5) 2.4 μg/m3 (10) 30.0
 
March 17, 2019, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (31) 0.17 ppb (2) 5.0 μg/m3 (5) 4.6 μg/m3 (19) 31.0
 
March 17, 2019, 2 a.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) 5.0 μg/m3 (5) 6.4 μg/m3 (27) 31.0
 
March 17, 2019, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (31) 0.16 ppb (2) 6.0 μg/m3 (5) 4.5 μg/m3 (19) 31.0
 
March 17, 2019, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (31) 0.16 ppb (2) 7.0 μg/m3 (6) 3.2 μg/m3 (13) 31.0
 
March 16, 2019, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (31) 0.16 ppb (2) 8.0 μg/m3 (7) 4.7 μg/m3 (20) 31.0
 
March 16, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (32) 0.16 ppb (2) 7.0 μg/m3 (6) 5.8 μg/m3 (24) 32.0
 
March 16, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.16 ppb (2) 7.0 μg/m3 (6) 2.5 μg/m3 (10) 32.0
 
March 16, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) 7.0 μg/m3 (6) 0.1 μg/m3 (0) 33.0
 
March 16, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.15 ppb (2) 3.0 μg/m3 (3) -0.1 μg/m3 (0) 34.0
 
March 16, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) 3.0 μg/m3 (3) 0.9 μg/m3 (4) 33.0
 
March 16, 2019, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) 5.0 μg/m3 (5) 2.2 μg/m3 (9) 33.0
 
March 16, 2019, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.15 ppb (2) 7.0 μg/m3 (6) 3.8 μg/m3 (16) 32.0
 
March 16, 2019, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.15 ppb (2) 8.0 μg/m3 (7) 4.6 μg/m3 (19) 31.0