AQSQID: 090050005

Site Name: Cornwall

Location: Litchfield Co, CT

Reporting: True, Located: True

Current AQI: 62.0

Litchfield Co CT, US: 41.833099, -73.303299

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 13, 2019, 9 p.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.11 ppb (1) 79.0 μg/m3 (62) 6.0 μg/m3 (25) 62.0
 
Nov. 13, 2019, 8 p.m. N/A 0.3 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.11 ppb (1) 66.0 μg/m3 (56) 4.8 μg/m3 (20) 56.0
 
Nov. 13, 2019, 7 p.m. N/A 0.3 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.11 ppb (1) 56.0 μg/m3 (50) 4.3 μg/m3 (18) 50.0
 
Nov. 13, 2019, 6 p.m. N/A 0.3 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) 79.0 μg/m3 (62) 3.8 μg/m3 (16) 62.0
 
Nov. 13, 2019, 5 p.m. N/A 0.3 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) 80.0 μg/m3 (62) 4.0 μg/m3 (17) 62.0
 
Nov. 13, 2019, 4 p.m. N/A 0.4 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.09 ppb (1) 60.0 μg/m3 (52) 4.3 μg/m3 (18) 52.0
 
Nov. 13, 2019, 3 p.m. N/A 0.4 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) 32.0 μg/m3 (29) 3.2 μg/m3 (13) 29.0
 
Nov. 13, 2019, 2 p.m. N/A 0.4 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.11 ppb (1) 63.0 μg/m3 (54) 4.0 μg/m3 (17) 54.0
 
Nov. 13, 2019, 1 p.m. N/A 0.4 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) 41.0 μg/m3 (37) 3.5 μg/m3 (15) 37.0
 
Nov. 13, 2019, noon N/A 0.2 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) 59.0 μg/m3 (52) 3.7 μg/m3 (15) 52.0
 
Nov. 13, 2019, 11 a.m. N/A 0.2 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) 22.0 μg/m3 (20) 3.2 μg/m3 (13) 28.0
 
Nov. 13, 2019, 10 a.m. N/A 0.2 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) 50.0 μg/m3 (45) 3.2 μg/m3 (13) 45.0
 
Nov. 13, 2019, 9 a.m. N/A 0.2 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) 46.0 μg/m3 (42) 3.0 μg/m3 (12) 42.0
 
Nov. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) 52.0 μg/m3 (47) 3.1 μg/m3 (13) 47.0
 
Nov. 13, 2019, 7 a.m. N/A 0.2 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A 39.0 μg/m3 (35) 2.6 μg/m3 (11) 35.0
 
Nov. 13, 2019, 6 a.m. N/A 0.2 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.11 ppb (1) 21.0 μg/m3 (19) 2.5 μg/m3 (10) 28.0
 
Nov. 13, 2019, 5 a.m. N/A 0.2 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) 14.0 μg/m3 (13) 2.3 μg/m3 (10) 13.0
 
Nov. 13, 2019, 4 a.m. N/A 0.2 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) 43.0 μg/m3 (39) 3.6 μg/m3 (15) 39.0
 
Nov. 13, 2019, 3 a.m. N/A 0.2 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) 22.0 μg/m3 (20) 3.1 μg/m3 (13) 28.0
 
Nov. 13, 2019, 2 a.m. N/A 0.2 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) 9.0 μg/m3 (8) 3.2 μg/m3 (13) 28.0
 
Nov. 13, 2019, 1 a.m. N/A 0.2 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.11 ppb (1) 8.0 μg/m3 (7) 3.4 μg/m3 (14) 29.0
 
Nov. 13, 2019, midnight N/A 0.2 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.11 ppb (1) 15.0 μg/m3 (14) 3.5 μg/m3 (15) 30.0
 
Nov. 12, 2019, 11 p.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.11 ppb (1) 12.0 μg/m3 (11) 3.8 μg/m3 (16) 30.0
 
Nov. 12, 2019, 10 p.m. N/A 0.2 ppb (0) 1.0 ppb (1) N/A N/A N/A 34.0 ppb (26) 0.11 ppb (1) 9.0 μg/m3 (8) 4.1 μg/m3 (17) 26.0
 
Nov. 12, 2019, 9 p.m. N/A 0.2 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.11 ppb (1) 9.0 μg/m3 (8) 3.9 μg/m3 (16) 26.0
 
Nov. 12, 2019, 8 p.m. N/A 0.2 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.11 ppb (1) 9.0 μg/m3 (8) 4.1 μg/m3 (17) 27.0
 
Nov. 12, 2019, 7 p.m. N/A 0.3 ppb (0) 1.2 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.12 ppb (1) 8.0 μg/m3 (7) 4.3 μg/m3 (18) 27.0
 
Nov. 12, 2019, 6 p.m. N/A 0.3 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) 7.0 μg/m3 (6) 4.2 μg/m3 (18) 26.0
 
Nov. 12, 2019, 5 p.m. N/A 0.3 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) 7.0 μg/m3 (6) 3.8 μg/m3 (16) 26.0
 
Nov. 12, 2019, 4 p.m. N/A 0.5 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.13 ppb (1) 5.0 μg/m3 (5) 3.4 μg/m3 (14) 22.0
 
Nov. 12, 2019, 3 p.m. N/A 0.5 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.11 ppb (1) 2.0 μg/m3 (2) 2.0 μg/m3 (8) 17.0
 
Nov. 12, 2019, 2 p.m. N/A 0.3 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.13 ppb (1) 2.0 μg/m3 (2) 1.0 μg/m3 (4) 15.0
 
Nov. 12, 2019, 1 p.m. N/A 0.3 ppb (0) 2.5 ppb (2) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.16 ppb (2) 4.0 μg/m3 (4) 2.9 μg/m3 (12) 13.0
 
Nov. 12, 2019, noon N/A 0.3 ppb (0) 5.0 ppb (5) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.19 ppb (2) 12.0 μg/m3 (11) 9.1 μg/m3 (38) 38.0
 
Nov. 12, 2019, 11 a.m. N/A 0.2 ppb (0) 5.7 ppb (5) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.19 ppb (2) 20.0 μg/m3 (18) 14.5 μg/m3 (55) 55.0
 
Nov. 12, 2019, 10 a.m. N/A 0.2 ppb (0) 5.7 ppb (5) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.19 ppb (2) 21.0 μg/m3 (19) 14.7 μg/m3 (56) 56.0
 
Nov. 12, 2019, 9 a.m. N/A 0.3 ppb (0) 5.8 ppb (5) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) 21.0 μg/m3 (19) 15.2 μg/m3 (57) 57.0
 
Nov. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 22.0 μg/m3 (20) 15.1 μg/m3 (57) 57.0
 
Nov. 12, 2019, 7 a.m. N/A 0.2 ppb (0) 6.5 ppb (6) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A 23.0 μg/m3 (21) 15.2 μg/m3 (57) 57.0
 
Nov. 12, 2019, 6 a.m. N/A 0.2 ppb (0) 6.8 ppb (6) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.22 ppb (2) 23.0 μg/m3 (21) 16.0 μg/m3 (59) 59.0
 
Nov. 12, 2019, 5 a.m. N/A 0.2 ppb (0) 6.8 ppb (6) N/A N/A 0.0 ppb (0) N/A 0.23 ppb (3) 22.0 μg/m3 (20) 14.3 μg/m3 (55) 55.0
 
Nov. 12, 2019, 4 a.m. N/A 0.2 ppb (0) 6.7 ppb (6) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.22 ppb (2) 20.0 μg/m3 (18) 14.1 μg/m3 (54) 54.0
 
Nov. 12, 2019, 3 a.m. N/A 0.2 ppb (0) 7.1 ppb (7) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) 18.0 μg/m3 (16) 12.8 μg/m3 (52) 52.0
 
Nov. 12, 2019, 2 a.m. N/A 0.2 ppb (0) 7.7 ppb (7) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) 20.0 μg/m3 (18) 13.4 μg/m3 (53) 53.0
 
Nov. 12, 2019, 1 a.m. N/A 0.2 ppb (0) 8.7 ppb (8) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.27 ppb (3) 21.0 μg/m3 (19) 14.3 μg/m3 (55) 55.0
 
Nov. 12, 2019, midnight N/A 0.1 ppb (0) 12.8 ppb (12) N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.29 ppb (3) 22.0 μg/m3 (20) 15.9 μg/m3 (58) 58.0
 
Nov. 11, 2019, 11 p.m. N/A 0.2 ppb (0) 15.3 ppb (14) N/A N/A 1.0 ppb (1) 21.0 ppb (16) 0.32 ppb (4) 24.0 μg/m3 (22) 16.2 μg/m3 (59) 59.0
 
Nov. 11, 2019, 10 p.m. N/A 0.2 ppb (0) 8.7 ppb (8) N/A N/A N/A 38.0 ppb (29) 0.25 ppb (3) 22.0 μg/m3 (20) 13.5 μg/m3 (53) 53.0
 
Nov. 11, 2019, 9 p.m. N/A 0.3 ppb (0) 9.6 ppb (9) N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.23 ppb (3) 20.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Nov. 11, 2019, 8 p.m. N/A 0.6 ppb (1) 9.7 ppb (9) N/A N/A 1.0 ppb (1) 39.0 ppb (30) 0.23 ppb (3) 18.0 μg/m3 (16) 10.6 μg/m3 (44) 44.0
 
Nov. 11, 2019, 7 p.m. N/A 0.8 ppb (1) 8.8 ppb (8) N/A N/A 1.0 ppb (1) 40.0 ppb (31) 0.22 ppb (2) 17.0 μg/m3 (15) 10.4 μg/m3 (43) 43.0
 
Nov. 11, 2019, 6 p.m. N/A 0.6 ppb (1) 5.4 ppb (5) N/A N/A 1.0 ppb (1) 43.0 ppb (33) 0.18 ppb (2) 14.0 μg/m3 (13) 8.7 μg/m3 (36) 36.0
 
Nov. 11, 2019, 5 p.m. N/A 0.9 ppb (1) 5.8 ppb (5) N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.16 ppb (2) 16.0 μg/m3 (15) 9.9 μg/m3 (41) 41.0
 
Nov. 11, 2019, 4 p.m. N/A 1.0 ppb (1) 6.2 ppb (6) N/A N/A 1.0 ppb (1) 39.0 ppb (30) 0.17 ppb (2) 17.0 μg/m3 (15) 10.9 μg/m3 (45) 45.0
 
Nov. 11, 2019, 3 p.m. N/A 1.6 ppb (1) 8.6 ppb (8) N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.21 ppb (2) 22.0 μg/m3 (20) 14.9 μg/m3 (56) 56.0
 
Nov. 11, 2019, 2 p.m. N/A 1.6 ppb (1) 11.4 ppb (11) N/A N/A 1.0 ppb (1) 26.0 ppb (20) 0.23 ppb (3) 22.0 μg/m3 (20) 16.3 μg/m3 (59) 59.0
 
Nov. 11, 2019, 1 p.m. N/A 0.7 ppb (1) 9.8 ppb (9) N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.24 ppb (3) 21.0 μg/m3 (19) 15.3 μg/m3 (57) 57.0
 
Nov. 11, 2019, noon N/A 0.3 ppb (0) 7.7 ppb (7) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.21 ppb (2) 20.0 μg/m3 (18) 13.8 μg/m3 (54) 54.0
 
Nov. 11, 2019, 11 a.m. N/A 0.1 ppb (0) 6.4 ppb (6) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.23 ppb (3) 19.0 μg/m3 (17) 13.3 μg/m3 (53) 53.0
 
Nov. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.21 ppb (2) 20.0 μg/m3 (18) 13.7 μg/m3 (54) 54.0
 
Nov. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.2 ppb (2) 21.0 μg/m3 (19) 14.2 μg/m3 (55) 55.0
 
Nov. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.18 ppb (2) 20.0 μg/m3 (18) 13.2 μg/m3 (53) 53.0
 
Nov. 11, 2019, 7 a.m. N/A 0.2 ppb (0) 5.1 ppb (5) N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A 18.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Nov. 11, 2019, 6 a.m. N/A 0.2 ppb (0) 5.0 ppb (5) N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.17 ppb (2) 18.0 μg/m3 (16) 11.2 μg/m3 (47) 47.0
 
Nov. 11, 2019, 5 a.m. N/A 0.2 ppb (0) 5.4 ppb (5) N/A N/A 1.0 ppb (1) N/A 0.18 ppb (2) 18.0 μg/m3 (16) 11.1 μg/m3 (46) 46.0
 
Nov. 11, 2019, 4 a.m. N/A 0.2 ppb (0) 5.6 ppb (5) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.18 ppb (2) 17.0 μg/m3 (15) 10.6 μg/m3 (44) 44.0
 
Nov. 11, 2019, 3 a.m. N/A 0.2 ppb (0) 5.7 ppb (5) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.19 ppb (2) 16.0 μg/m3 (15) 11.1 μg/m3 (46) 46.0
 
Nov. 11, 2019, 2 a.m. N/A 0.2 ppb (0) 6.7 ppb (6) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.19 ppb (2) 16.0 μg/m3 (15) 10.5 μg/m3 (44) 44.0
 
Nov. 11, 2019, 1 a.m. N/A 0.2 ppb (0) 8.3 ppb (8) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.2 ppb (2) 15.0 μg/m3 (14) 9.8 μg/m3 (41) 41.0
 
Nov. 11, 2019, midnight N/A 0.2 ppb (0) 8.9 ppb (8) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.2 ppb (2) 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Nov. 10, 2019, 11 p.m. N/A 0.2 ppb (0) 9.1 ppb (8) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.21 ppb (2) 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Nov. 10, 2019, 10 p.m. N/A 0.2 ppb (0) 9.0 ppb (8) N/A N/A N/A 29.0 ppb (22) 0.2 ppb (2) 12.0 μg/m3 (11) 8.3 μg/m3 (35) 35.0
 
Nov. 10, 2019, 9 p.m. N/A 0.4 ppb (0) 9.5 ppb (9) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.19 ppb (2) 11.0 μg/m3 (10) 7.4 μg/m3 (31) 31.0
 
Nov. 10, 2019, 8 p.m. N/A 0.7 ppb (1) 9.4 ppb (9) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.18 ppb (2) 12.0 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
Nov. 10, 2019, 7 p.m. N/A 0.9 ppb (1) 8.7 ppb (8) N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.18 ppb (2) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Nov. 10, 2019, 6 p.m. N/A 0.8 ppb (1) 7.6 ppb (7) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.17 ppb (2) 10.0 μg/m3 (9) 6.8 μg/m3 (28) 28.0
 
Nov. 10, 2019, 5 p.m. N/A 0.8 ppb (1) 7.8 ppb (7) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.17 ppb (2) 10.0 μg/m3 (9) 6.5 μg/m3 (27) 27.0
 
Nov. 10, 2019, 4 p.m. N/A 1.6 ppb (1) 8.2 ppb (8) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.17 ppb (2) 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Nov. 10, 2019, 3 p.m. N/A 1.9 ppb (2) 7.4 ppb (7) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.17 ppb (2) 10.0 μg/m3 (9) 6.4 μg/m3 (27) 27.0
 
Nov. 10, 2019, 2 p.m. N/A 1.6 ppb (1) 7.4 ppb (7) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) 11.0 μg/m3 (10) 7.1 μg/m3 (30) 30.0
 
Nov. 10, 2019, 1 p.m. N/A 1.2 ppb (1) 7.6 ppb (7) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.16 ppb (2) 10.0 μg/m3 (9) 6.6 μg/m3 (28) 28.0
 
Nov. 10, 2019, noon N/A 0.5 ppb (0) 7.5 ppb (7) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.16 ppb (2) 12.0 μg/m3 (11) 7.9 μg/m3 (33) 33.0
 
Nov. 10, 2019, 11 a.m. N/A 0.2 ppb (0) 6.4 ppb (6) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.16 ppb (2) 13.0 μg/m3 (12) 8.6 μg/m3 (36) 36.0
 
Nov. 10, 2019, 10 a.m. N/A 0.2 ppb (0) 5.4 ppb (5) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.15 ppb (2) 16.0 μg/m3 (15) 10.1 μg/m3 (42) 42.0
 
Nov. 10, 2019, 9 a.m. N/A 0.3 ppb (0) 4.3 ppb (4) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.14 ppb (2) 14.0 μg/m3 (13) 9.1 μg/m3 (38) 38.0
 
Nov. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.13 ppb (1) 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
Nov. 10, 2019, 7 a.m. N/A 0.2 ppb (0) 3.5 ppb (3) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A 12.0 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
Nov. 10, 2019, 6 a.m. N/A 0.2 ppb (0) 4.3 ppb (4) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.13 ppb (1) 10.0 μg/m3 (9) 5.7 μg/m3 (24) 24.0
 
Nov. 10, 2019, 5 a.m. N/A 0.2 ppb (0) 6.8 ppb (6) N/A N/A 0.0 ppb (0) N/A 0.15 ppb (2) 10.0 μg/m3 (9) 5.8 μg/m3 (24) 24.0
 
Nov. 10, 2019, 4 a.m. N/A 0.2 ppb (0) 7.9 ppb (7) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.16 ppb (2) 9.0 μg/m3 (8) 5.8 μg/m3 (24) 24.0
 
Nov. 10, 2019, 3 a.m. N/A 0.2 ppb (0) 7.7 ppb (7) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.17 ppb (2) 9.0 μg/m3 (8) 5.7 μg/m3 (24) 24.0
 
Nov. 10, 2019, 2 a.m. N/A 0.2 ppb (0) 6.7 ppb (6) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) 11.0 μg/m3 (10) 6.5 μg/m3 (27) 27.0
 
Nov. 10, 2019, 1 a.m. N/A 0.2 ppb (0) 7.6 ppb (7) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.17 ppb (2) 11.0 μg/m3 (10) 6.3 μg/m3 (26) 26.0
 
Nov. 10, 2019, midnight N/A 0.2 ppb (0) 9.8 ppb (9) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) 12.0 μg/m3 (11) 6.3 μg/m3 (26) 26.0
 
Nov. 9, 2019, 11 p.m. N/A 0.2 ppb (0) 10.8 ppb (10) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) 11.0 μg/m3 (10) 5.3 μg/m3 (22) 22.0
 
Nov. 9, 2019, 10 p.m. N/A 0.2 ppb (0) 8.2 ppb (8) N/A N/A N/A 23.0 ppb (18) 0.16 ppb (2) 10.0 μg/m3 (9) 4.5 μg/m3 (19) 19.0
 
Nov. 9, 2019, 9 p.m. N/A 0.3 ppb (0) 3.3 ppb (3) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.13 ppb (1) 11.0 μg/m3 (10) 3.2 μg/m3 (13) 22.0
 
Nov. 9, 2019, 8 p.m. N/A 0.4 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.12 ppb (1) 16.0 μg/m3 (15) 2.9 μg/m3 (12) 23.0
 
Nov. 9, 2019, 7 p.m. N/A 0.5 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) 5.0 μg/m3 (5) 2.7 μg/m3 (11) 23.0
 
Nov. 9, 2019, 6 p.m. N/A 0.4 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) 10.0 μg/m3 (9) 2.9 μg/m3 (12) 23.0
 
Nov. 9, 2019, 5 p.m. N/A 0.3 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) 6.0 μg/m3 (5) 1.7 μg/m3 (7) 23.0
 
Nov. 9, 2019, 4 p.m. N/A 0.4 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) 3.0 μg/m3 (3) 2.1 μg/m3 (9) 22.0
 
Nov. 9, 2019, 3 p.m. N/A 0.4 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) 4.0 μg/m3 (4) 2.7 μg/m3 (11) 21.0
 
Nov. 9, 2019, 2 p.m. N/A 0.4 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) 5.0 μg/m3 (5) 3.2 μg/m3 (13) 22.0
 
Nov. 9, 2019, 1 p.m. N/A 0.4 ppb (0) 1.1 ppb (1) N/A N/A 1.0 ppb (1) 27.0 ppb (21) 0.1 ppb (1) 5.0 μg/m3 (5) 3.2 μg/m3 (13) 21.0
 
Nov. 9, 2019, noon N/A 0.3 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) 6.0 μg/m3 (5) 3.6 μg/m3 (15) 20.0
 
Nov. 9, 2019, 11 a.m. N/A 0.2 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) 6.0 μg/m3 (5) 3.4 μg/m3 (14) 20.0
 
Nov. 9, 2019, 10 a.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) 6.0 μg/m3 (5) 3.5 μg/m3 (15) 21.0
 
Nov. 9, 2019, 9 a.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) 5.0 μg/m3 (5) 3.3 μg/m3 (14) 21.0
 
Nov. 9, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.09 ppb (1) 5.0 μg/m3 (5) 3.3 μg/m3 (14) 21.0
 
Nov. 9, 2019, 7 a.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A 6.0 μg/m3 (5) 3.2 μg/m3 (13) 21.0
 
Nov. 9, 2019, 6 a.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) 5.0 μg/m3 (5) 3.2 μg/m3 (13) 21.0
 
Nov. 9, 2019, 5 a.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) 8.0 μg/m3 (7) 3.3 μg/m3 (14) 14.0
 
Nov. 9, 2019, 4 a.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) 6.0 μg/m3 (5) 3.2 μg/m3 (13) 21.0
 
Nov. 9, 2019, 3 a.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.11 ppb (1) 6.0 μg/m3 (5) 3.1 μg/m3 (13) 21.0
 
Nov. 9, 2019, 2 a.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) 6.0 μg/m3 (5) 3.2 μg/m3 (13) 22.0
 
Nov. 9, 2019, 1 a.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) 5.0 μg/m3 (5) 3.1 μg/m3 (13) 22.0
 
Nov. 9, 2019, midnight N/A 0.2 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) 6.0 μg/m3 (5) 2.9 μg/m3 (12) 22.0
 
Nov. 8, 2019, 11 p.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) 5.0 μg/m3 (5) 2.5 μg/m3 (10) 22.0
 
Nov. 8, 2019, 10 p.m. N/A 6.1 ppb (6) 6.1 ppb (6) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.11 ppb (1) 5.0 μg/m3 (5) 2.2 μg/m3 (9) 22.0
 
Nov. 8, 2019, 8 p.m. N/A 0.2 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) 9.0 μg/m3 (8) 1.9 μg/m3 (8) 24.0
 
Nov. 8, 2019, 7 p.m. N/A 0.3 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 24.0
 
Nov. 8, 2019, 6 p.m. N/A 0.3 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.09 ppb (1) 6.0 μg/m3 (5) 2.4 μg/m3 (10) 24.0
 
Nov. 8, 2019, 5 p.m. N/A 0.3 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) 5.0 μg/m3 (5) 2.7 μg/m3 (11) 24.0
 
Nov. 8, 2019, 4 p.m. N/A 0.3 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.09 ppb (1) 4.0 μg/m3 (4) 2.5 μg/m3 (10) 24.0
 
Nov. 8, 2019, 3 p.m. N/A 0.3 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.09 ppb (1) 4.0 μg/m3 (4) 1.9 μg/m3 (8) 25.0
 
Nov. 8, 2019, 2 p.m. N/A 0.3 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.09 ppb (1) 4.0 μg/m3 (4) 1.6 μg/m3 (7) 23.0
 
Nov. 8, 2019, 1 p.m. N/A 0.3 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) 5.0 μg/m3 (5) 2.9 μg/m3 (12) 22.0
 
Nov. 8, 2019, noon N/A 0.3 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) 5.0 μg/m3 (5) 3.2 μg/m3 (13) 22.0
 
Nov. 8, 2019, 11 a.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) 5.0 μg/m3 (5) 2.8 μg/m3 (12) 22.0
 
Nov. 8, 2019, 10 a.m. N/A 0.2 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 22.0
 
Nov. 8, 2019, 9 a.m. N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 23.0
 
Nov. 8, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) 5.0 μg/m3 (5) 3.3 μg/m3 (14) 23.0
 
Nov. 8, 2019, 7 a.m. N/A 0.2 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A 4.0 μg/m3 (4) 2.4 μg/m3 (10) 24.0
 
Nov. 8, 2019, 6 a.m. N/A 0.2 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) 2.0 μg/m3 (2) 1.2 μg/m3 (5) 25.0
 
Nov. 8, 2019, 5 a.m. N/A 0.2 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) 2.0 μg/m3 (2) 1.3 μg/m3 (5) 5.0
 
Nov. 8, 2019, 4 a.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.11 ppb (1) 2.0 μg/m3 (2) 1.1 μg/m3 (5) 25.0
 
Nov. 8, 2019, 3 a.m. N/A 0.2 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.12 ppb (1) 1.0 μg/m3 (1) 0.6 μg/m3 (2) 25.0
 
Nov. 8, 2019, 2 a.m. N/A 0.2 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.12 ppb (1) 1.0 μg/m3 (1) 0.4 μg/m3 (2) 25.0
 
Nov. 8, 2019, 1 a.m. N/A 0.2 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.13 ppb (1) 0.0 μg/m3 (0) 0.1 μg/m3 (0) 24.0
 
Nov. 8, 2019, midnight N/A 0.2 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.14 ppb (2) 0.0 μg/m3 (0) 0.1 μg/m3 (0) 19.0
 
Nov. 7, 2019, 11 p.m. N/A 0.2 ppb (0) 2.3 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.14 ppb (2) 1.0 μg/m3 (1) 0.6 μg/m3 (2) 19.0
 
Nov. 7, 2019, 10 p.m. N/A 0.2 ppb (0) 6.8 ppb (6) N/A N/A N/A 26.0 ppb (20) 0.17 ppb (2) 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
Nov. 7, 2019, 9 p.m. N/A 0.2 ppb (0) 8.9 ppb (8) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.18 ppb (2) 12.0 μg/m3 (11) 9.7 μg/m3 (40) 40.0
 
Nov. 7, 2019, 8 p.m. N/A 0.4 ppb (0) 11.8 ppb (11) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.19 ppb (2) 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Nov. 7, 2019, 7 p.m. N/A 0.7 ppb (1) 12.3 ppb (11) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 14.0 μg/m3 (13) 11.1 μg/m3 (46) 46.0
 
Nov. 7, 2019, 6 p.m. N/A 0.8 ppb (1) 11.2 ppb (10) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.18 ppb (2) 13.0 μg/m3 (12) 8.9 μg/m3 (37) 37.0
 
Nov. 7, 2019, 5 p.m. N/A 0.7 ppb (1) 10.8 ppb (10) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.18 ppb (2) 16.0 μg/m3 (15) 9.2 μg/m3 (38) 38.0
 
Nov. 7, 2019, 4 p.m. N/A 0.9 ppb (1) 11.2 ppb (10) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.17 ppb (2) 14.0 μg/m3 (13) 8.6 μg/m3 (36) 36.0
 
Nov. 7, 2019, 3 p.m. N/A 1.2 ppb (1) 11.8 ppb (11) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.18 ppb (2) 15.0 μg/m3 (14) 9.4 μg/m3 (39) 39.0
 
Nov. 7, 2019, 2 p.m. N/A 0.9 ppb (1) 11.0 ppb (10) N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.17 ppb (2) 16.0 μg/m3 (15) 9.5 μg/m3 (40) 40.0
 
Nov. 7, 2019, 1 p.m. N/A 1.0 ppb (1) 13.2 ppb (12) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.18 ppb (2) 20.0 μg/m3 (18) 11.4 μg/m3 (48) 48.0
 
Nov. 7, 2019, noon N/A 0.7 ppb (1) 12.7 ppb (12) N/A N/A 1.0 ppb (1) 26.0 ppb (20) 0.18 ppb (2) 20.0 μg/m3 (18) 11.8 μg/m3 (49) 49.0
 
Nov. 7, 2019, 11 a.m. N/A 0.3 ppb (0) 9.5 ppb (9) N/A N/A 1.0 ppb (1) 27.0 ppb (21) 0.17 ppb (2) 20.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Nov. 7, 2019, 10 a.m. N/A 0.2 ppb (0) 7.6 ppb (7) N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.16 ppb (2) 19.0 μg/m3 (17) 11.3 μg/m3 (47) 47.0
 
Nov. 7, 2019, 9 a.m. N/A 0.2 ppb (0) 5.6 ppb (5) N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.15 ppb (2) 18.0 μg/m3 (16) 10.8 μg/m3 (45) 45.0
 
Nov. 7, 2019, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) 0.13 ppb (1) 19.0 μg/m3 (17) 10.7 μg/m3 (45) 45.0
 
Nov. 7, 2019, 7 a.m. N/A 0.2 ppb (0) 4.2 ppb (4) N/A N/A 1.0 ppb (1) 36.0 ppb (28) N/A 20.0 μg/m3 (18) 13.0 μg/m3 (52) 52.0
 
Nov. 7, 2019, 6 a.m. N/A 0.2 ppb (0) 3.9 ppb (4) N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.14 ppb (2) 20.0 μg/m3 (18) 13.1 μg/m3 (52) 52.0
 
Nov. 7, 2019, 5 a.m. N/A 0.2 ppb (0) 3.4 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.14 ppb (2) 14.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
Nov. 7, 2019, 4 a.m. N/A 0.2 ppb (0) 2.6 ppb (2) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) 11.0 μg/m3 (10) 6.2 μg/m3 (26) 28.0
 
Nov. 7, 2019, 3 a.m. N/A 0.2 ppb (0) 2.2 ppb (2) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.13 ppb (1) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 29.0
 
Nov. 7, 2019, 2 a.m. N/A 0.2 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 31.0
 
Nov. 7, 2019, 1 a.m. N/A 0.2 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.12 ppb (1) 10.0 μg/m3 (9) 5.6 μg/m3 (23) 30.0
 
Nov. 7, 2019, midnight N/A 0.2 ppb (0) 2.0 ppb (2) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.12 ppb (1) 11.0 μg/m3 (10) 5.8 μg/m3 (24) 30.0
 
Nov. 6, 2019, 11 p.m. N/A 0.2 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.12 ppb (1) 10.0 μg/m3 (9) 5.5 μg/m3 (23) 30.0
 
Nov. 6, 2019, 10 p.m. N/A 0.2 ppb (0) 1.4 ppb (1) N/A N/A N/A 41.0 ppb (32) 0.11 ppb (1) 10.0 μg/m3 (9) 4.7 μg/m3 (20) 32.0
 
Nov. 6, 2019, 9 p.m. N/A 0.2 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.11 ppb (1) 8.0 μg/m3 (7) 4.9 μg/m3 (20) 31.0