ID: 1021

AQSQID: 090050005

Site Name: Cornwall

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

Updated: Jan. 19, 2022, 7:33 a.m.

Location: W Cornwall (E Cornwall), CT

Reporting: True, Located: True

Current AQI: 38.0

W Cornwall (E Cornwall) CT, US: 41.833099, -73.303299

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2022, 6 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.11 ppb (2) 3.0 μg/m3 (3) 2.1 μg/m3 (9) 38.0
 
Jan. 19, 2022, 5 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.11 ppb (2) 2.0 μg/m3 (2) 1.4 μg/m3 (6) 6.0
 
Jan. 19, 2022, 4 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.12 ppb (2) 2.0 μg/m3 (2) 2.1 μg/m3 (9) 39.0
 
Jan. 19, 2022, 3 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.13 ppb (2) 2.0 μg/m3 (2) 1.4 μg/m3 (6) 39.0
 
Jan. 19, 2022, 2 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.11 ppb (2) 2.0 μg/m3 (2) 1.3 μg/m3 (6) 39.0
 
Jan. 19, 2022, 1 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.11 ppb (2) 2.0 μg/m3 (2) 1.1 μg/m3 (5) 39.0
 
Jan. 19, 2022, midnight N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.12 ppb (2) 3.0 μg/m3 (3) 1.5 μg/m3 (7) 40.0
 
Jan. 18, 2022, 11 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.12 ppb (2) 3.0 μg/m3 (3) 1.1 μg/m3 (5) 41.0
 
Jan. 18, 2022, 10 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A N/A 44.0 ppb (41) 0.13 ppb (2) 2.0 μg/m3 (2) 1.0 μg/m3 (5) 41.0
 
Jan. 18, 2022, 9 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.13 ppb (2) 3.0 μg/m3 (3) 1.1 μg/m3 (5) 41.0
 
Jan. 18, 2022, 8 p.m. N/A 0.1 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.19 ppb (3) 3.0 μg/m3 (3) 1.2 μg/m3 (5) 40.0
 
Jan. 18, 2022, 7 p.m. N/A 0.1 ppb (1) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.16 ppb (3) 3.0 μg/m3 (3) 1.2 μg/m3 (5) 39.0
 
Jan. 18, 2022, 6 p.m. N/A 0.1 ppb (1) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.18 ppb (3) 2.0 μg/m3 (2) 1.1 μg/m3 (5) 39.0
 
Jan. 18, 2022, 5 p.m. N/A 0.2 ppb (1) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.15 ppb (2) 5.0 μg/m3 (5) 2.5 μg/m3 (11) 37.0
 
Jan. 18, 2022, 4 p.m. N/A 0.2 ppb (1) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (9) 37.0
 
Jan. 18, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A 5.0 μg/m3 (5) 2.2 μg/m3 (10) 37.0
 
Jan. 18, 2022, 2 p.m. N/A 0.2 ppb (1) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A 4.0 μg/m3 (4) 2.7 μg/m3 (12) 36.0
 
Jan. 18, 2022, 1 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.14 ppb (2) 4.0 μg/m3 (4) 2.6 μg/m3 (11) 36.0
 
Jan. 18, 2022, noon N/A 0.1 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.15 ppb (2) 4.0 μg/m3 (4) 2.7 μg/m3 (12) 36.0
 
Jan. 18, 2022, 11 a.m. N/A 0.1 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.13 ppb (2) 5.0 μg/m3 (5) 2.8 μg/m3 (12) 37.0
 
Jan. 18, 2022, 10 a.m. N/A 0.4 ppb (1) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.12 ppb (2) 5.0 μg/m3 (5) 3.0 μg/m3 (13) 38.0
 
Jan. 18, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.12 ppb (2) 4.0 μg/m3 (4) 2.3 μg/m3 (10) 38.0
 
Jan. 18, 2022, 8 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.1 ppb (2) 2.0 μg/m3 (2) 1.8 μg/m3 (8) 37.0
 
Jan. 18, 2022, 7 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A 3.0 μg/m3 (3) 1.2 μg/m3 (5) 36.0
 
Jan. 18, 2022, 6 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) 4.0 μg/m3 (4) 1.2 μg/m3 (5) 34.0
 
Jan. 18, 2022, 5 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.15 ppb (2) 8.0 μg/m3 (8) 1.1 μg/m3 (5) 8.0
 
Jan. 18, 2022, 4 a.m. N/A 0.0 ppb (0) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.21 ppb (3) 2.0 μg/m3 (2) 0.8 μg/m3 (4) 34.0
 
Jan. 18, 2022, 3 a.m. N/A 0.0 ppb (0) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.21 ppb (3) 2.0 μg/m3 (2) 1.0 μg/m3 (5) 32.0
 
Jan. 18, 2022, 2 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.2 ppb (3) 2.0 μg/m3 (2) 1.2 μg/m3 (5) 33.0
 
Jan. 18, 2022, 1 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) 3.0 μg/m3 (3) 2.8 μg/m3 (12) 32.0
 
Jan. 18, 2022, midnight N/A 0.0 ppb (0) 3.2 ppb (4) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.19 ppb (3) 5.0 μg/m3 (5) 3.9 μg/m3 (17) 29.0
 
Jan. 17, 2022, 11 p.m. N/A 0.0 ppb (0) 4.2 ppb (4) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.19 ppb (3) 9.0 μg/m3 (9) 6.2 μg/m3 (26) 26.0
 
Jan. 17, 2022, 10 p.m. N/A 0.1 ppb (1) 5.3 ppb (5) N/A N/A N/A 25.0 ppb (24) 0.21 ppb (3) 8.0 μg/m3 (8) 6.1 μg/m3 (26) 26.0
 
Jan. 17, 2022, 9 p.m. N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.22 ppb (3) 6.0 μg/m3 (6) 4.8 μg/m3 (20) 23.0
 
Jan. 17, 2022, 8 p.m. N/A 0.2 ppb (1) 6.4 ppb (7) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.25 ppb (3) 7.0 μg/m3 (7) 5.3 μg/m3 (23) 23.0
 
Jan. 17, 2022, 7 p.m. N/A 0.5 ppb (1) 6.3 ppb (6) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.24 ppb (3) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 24.0
 
Jan. 17, 2022, 6 p.m. N/A 0.4 ppb (1) 5.3 ppb (5) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.21 ppb (3) 3.0 μg/m3 (3) 3.2 μg/m3 (14) 25.0
 
Jan. 17, 2022, 5 p.m. N/A 0.6 ppb (1) 4.1 ppb (4) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.18 ppb (3) 2.0 μg/m3 (2) 2.2 μg/m3 (10) 26.0
 
Jan. 17, 2022, 4 p.m. N/A 0.5 ppb (1) 3.4 ppb (4) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.18 ppb (3) 1.0 μg/m3 (1) 1.0 μg/m3 (5) 28.0
 
Jan. 17, 2022, 3 p.m. N/A 0.1 ppb (1) 2.2 ppb (3) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.17 ppb (3) 3.0 μg/m3 (3) 2.3 μg/m3 (10) 32.0
 
Jan. 17, 2022, 2 p.m. N/A 0.1 ppb (1) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.16 ppb (3) 6.0 μg/m3 (6) 3.6 μg/m3 (16) 37.0
 
Jan. 17, 2022, 1 p.m. N/A 0.1 ppb (1) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.16 ppb (3) 2.0 μg/m3 (2) 1.5 μg/m3 (7) 38.0
 
Jan. 17, 2022, noon N/A 0.0 ppb (0) 1.5 ppb (2) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.15 ppb (2) 0.0 μg/m3 (0) 0.0 μg/m3 (0) 37.0
 
Jan. 17, 2022, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.14 ppb (2) 0.0 μg/m3 (0) 0.1 μg/m3 (1) 36.0
 
Jan. 17, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.15 ppb (2) 0.0 μg/m3 (0) 0.3 μg/m3 (2) 35.0
 
Jan. 17, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.15 ppb (2) 1.0 μg/m3 (1) 0.7 μg/m3 (3) 35.0
 
Jan. 17, 2022, 8 a.m. N/A 0.1 ppb (1) 2.4 ppb (3) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.13 ppb (2) 5.0 μg/m3 (5) 1.3 μg/m3 (6) 34.0
 
Jan. 17, 2022, 7 a.m. N/A 0.0 ppb (0) 2.6 ppb (3) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A 12.0 μg/m3 (12) 2.1 μg/m3 (9) 34.0
 
Jan. 17, 2022, 6 a.m. N/A 0.0 ppb (0) 2.3 ppb (3) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.15 ppb (2) 9.0 μg/m3 (9) 3.1 μg/m3 (13) 34.0
 
Jan. 17, 2022, 5 a.m. N/A 0.0 ppb (0) 3.1 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.17 ppb (3) 12.0 μg/m3 (12) 3.7 μg/m3 (16) 16.0
 
Jan. 17, 2022, 4 a.m. N/A 0.2 ppb (1) 4.0 ppb (4) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.18 ppb (3) 15.0 μg/m3 (14) 4.7 μg/m3 (20) 32.0
 
Jan. 17, 2022, 3 a.m. N/A 0.0 ppb (0) 3.4 ppb (4) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.18 ppb (3) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 32.0
 
Jan. 17, 2022, 2 a.m. N/A 0.1 ppb (1) 3.6 ppb (4) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.17 ppb (3) 12.0 μg/m3 (12) 5.6 μg/m3 (24) 32.0
 
Jan. 17, 2022, 1 a.m. N/A 0.1 ppb (1) 4.4 ppb (5) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) 10.0 μg/m3 (10) 5.7 μg/m3 (24) 31.0
 
Jan. 17, 2022, midnight N/A 0.0 ppb (0) 5.7 ppb (6) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.17 ppb (3) 9.0 μg/m3 (9) 5.8 μg/m3 (25) 30.0
 
Jan. 16, 2022, 11 p.m. N/A 0.0 ppb (0) 5.7 ppb (6) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.18 ppb (3) 9.0 μg/m3 (9) 5.6 μg/m3 (24) 30.0
 
Jan. 16, 2022, 10 p.m. N/A 0.1 ppb (1) 5.3 ppb (5) N/A N/A N/A 33.0 ppb (31) 0.19 ppb (3) 10.0 μg/m3 (10) 6.1 μg/m3 (26) 31.0
 
Jan. 16, 2022, 9 p.m. N/A 0.0 ppb (0) 4.4 ppb (5) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.18 ppb (3) 9.0 μg/m3 (9) 5.5 μg/m3 (23) 32.0
 
Jan. 16, 2022, 8 p.m. N/A 0.2 ppb (1) 3.5 ppb (4) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.19 ppb (3) 9.0 μg/m3 (9) 5.2 μg/m3 (22) 33.0
 
Jan. 16, 2022, 7 p.m. N/A 0.4 ppb (1) 3.3 ppb (4) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.19 ppb (3) 8.0 μg/m3 (8) 4.7 μg/m3 (20) 34.0
 
Jan. 16, 2022, 6 p.m. N/A 0.7 ppb (1) 3.2 ppb (4) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.18 ppb (3) 8.0 μg/m3 (8) 4.2 μg/m3 (18) 34.0
 
Jan. 16, 2022, 5 p.m. N/A 0.4 ppb (1) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.17 ppb (3) 8.0 μg/m3 (8) 4.5 μg/m3 (19) 35.0
 
Jan. 16, 2022, 4 p.m. N/A 0.3 ppb (1) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) 5.0 μg/m3 (5) 3.1 μg/m3 (13) 35.0
 
Jan. 16, 2022, 3 p.m. N/A 0.1 ppb (1) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.14 ppb (2) 3.0 μg/m3 (3) 2.5 μg/m3 (11) 36.0
 
Jan. 16, 2022, 2 p.m. N/A 0.1 ppb (1) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.15 ppb (2) 5.0 μg/m3 (5) 3.2 μg/m3 (14) 36.0
 
Jan. 16, 2022, 1 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.14 ppb (2) 2.0 μg/m3 (2) 1.4 μg/m3 (6) 37.0
 
Jan. 16, 2022, noon N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.12 ppb (2) 2.0 μg/m3 (2) 1.6 μg/m3 (7) 36.0
 
Jan. 16, 2022, 11 a.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.16 ppb (3) 4.0 μg/m3 (4) 1.7 μg/m3 (8) 36.0
 
Jan. 16, 2022, 10 a.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.15 ppb (2) 5.0 μg/m3 (5) 3.6 μg/m3 (16) 36.0
 
Jan. 16, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) 8.0 μg/m3 (8) 4.6 μg/m3 (20) 33.0
 
Jan. 16, 2022, 8 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 9.0 μg/m3 (9) 5.4 μg/m3 (23) 31.0
 
Jan. 16, 2022, 7 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A 11.0 μg/m3 (11) 6.7 μg/m3 (28) 29.0
 
Jan. 16, 2022, 6 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.16 ppb (3) 13.0 μg/m3 (13) 7.3 μg/m3 (31) 31.0
 
Jan. 16, 2022, 5 a.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.16 ppb (3) 14.0 μg/m3 (13) 7.3 μg/m3 (31) 31.0
 
Jan. 16, 2022, 4 a.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.15 ppb (2) 15.0 μg/m3 (14) 7.3 μg/m3 (31) 31.0
 
Jan. 16, 2022, 3 a.m. N/A 0.0 ppb (0) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) 15.0 μg/m3 (14) 7.5 μg/m3 (32) 32.0
 
Jan. 16, 2022, 2 a.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A N/A 1.0 ppb (2) 29.0 ppb (27) 0.15 ppb (2) 14.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
Jan. 16, 2022, 1 a.m. N/A 0.0 ppb (0) 1.3 ppb (2) N/A N/A 1.0 ppb (2) 30.0 ppb (28) 0.17 ppb (3) 14.0 μg/m3 (13) 6.5 μg/m3 (28) 28.0
 
Jan. 16, 2022, midnight N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 1.0 ppb (2) 31.0 ppb (29) 0.14 ppb (2) 13.0 μg/m3 (13) 6.4 μg/m3 (27) 29.0
 
Jan. 15, 2022, 11 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 1.0 ppb (2) 32.0 ppb (30) 0.13 ppb (2) 12.0 μg/m3 (12) 5.8 μg/m3 (25) 30.0
 
Jan. 15, 2022, 10 p.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A N/A N/A 33.0 ppb (31) 0.14 ppb (2) 12.0 μg/m3 (12) 5.5 μg/m3 (23) 31.0
 
Jan. 15, 2022, 9 p.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A N/A 1.0 ppb (2) 34.0 ppb (32) 0.15 ppb (2) 12.0 μg/m3 (12) 5.2 μg/m3 (22) 32.0
 
Jan. 15, 2022, 8 p.m. N/A 0.2 ppb (1) 1.5 ppb (2) N/A N/A 1.0 ppb (2) 35.0 ppb (33) 0.16 ppb (3) 10.0 μg/m3 (10) 4.9 μg/m3 (21) 33.0
 
Jan. 15, 2022, 7 p.m. N/A 0.1 ppb (1) 1.3 ppb (2) N/A N/A 1.0 ppb (2) 34.0 ppb (32) 0.16 ppb (3) 11.0 μg/m3 (11) 5.1 μg/m3 (22) 32.0
 
Jan. 15, 2022, 6 p.m. N/A 0.1 ppb (1) 1.1 ppb (2) N/A N/A 1.0 ppb (2) 34.0 ppb (32) 0.15 ppb (2) 10.0 μg/m3 (10) 5.2 μg/m3 (22) 32.0
 
Jan. 15, 2022, 5 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 1.0 ppb (2) 35.0 ppb (33) 0.15 ppb (2) 10.0 μg/m3 (10) 5.2 μg/m3 (22) 33.0
 
Jan. 15, 2022, 4 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 1.0 ppb (2) 34.0 ppb (32) 0.2 ppb (3) 11.0 μg/m3 (11) 4.8 μg/m3 (20) 32.0
 
Jan. 15, 2022, 3 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 1.0 ppb (2) 33.0 ppb (31) 0.19 ppb (3) 9.0 μg/m3 (9) 4.8 μg/m3 (20) 31.0
 
Jan. 15, 2022, 2 p.m. N/A 0.2 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) 8.0 μg/m3 (8) 4.7 μg/m3 (20) 31.0
 
Jan. 15, 2022, 1 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 8.0 μg/m3 (8) 4.5 μg/m3 (19) 31.0
 
Jan. 15, 2022, noon N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.09 ppb (2) 8.0 μg/m3 (8) 4.3 μg/m3 (18) 31.0
 
Jan. 15, 2022, 11 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.09 ppb (2) 8.0 μg/m3 (8) 4.5 μg/m3 (19) 31.0
 
Jan. 15, 2022, 10 a.m. N/A 0.2 ppb (1) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.11 ppb (2) 8.0 μg/m3 (8) 4.3 μg/m3 (18) 31.0
 
Jan. 15, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 9.0 μg/m3 (9) 4.6 μg/m3 (20) 31.0
 
Jan. 15, 2022, 8 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.12 ppb (2) 8.0 μg/m3 (8) 4.2 μg/m3 (18) 33.0
 
Jan. 15, 2022, 7 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A 8.0 μg/m3 (8) 4.1 μg/m3 (18) 34.0
 
Jan. 15, 2022, 6 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.12 ppb (2) 7.0 μg/m3 (7) 4.2 μg/m3 (18) 34.0
 
Jan. 15, 2022, 5 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.13 ppb (2) 8.0 μg/m3 (8) 4.1 μg/m3 (18) 18.0
 
Jan. 15, 2022, 4 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.17 ppb (3) 7.0 μg/m3 (7) 3.2 μg/m3 (14) 37.0
 
Jan. 15, 2022, 3 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.15 ppb (2) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 38.0
 
Jan. 15, 2022, 2 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.12 ppb (2) 6.0 μg/m3 (6) 2.4 μg/m3 (10) 38.0
 
Jan. 15, 2022, 1 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 7.0 μg/m3 (7) 3.5 μg/m3 (15) 35.0
 
Jan. 15, 2022, midnight N/A 0.0 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.12 ppb (2) 6.0 μg/m3 (6) 3.5 μg/m3 (15) 34.0
 
Jan. 14, 2022, 11 p.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.13 ppb (2) 9.0 μg/m3 (9) 5.1 μg/m3 (22) 33.0
 
Jan. 14, 2022, 10 p.m. N/A 0.1 ppb (1) 2.7 ppb (3) N/A N/A N/A 34.0 ppb (32) 0.16 ppb (3) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 32.0
 
Jan. 14, 2022, 9 p.m. N/A 0.0 ppb (0) 3.2 ppb (4) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) 10.0 μg/m3 (10) 6.7 μg/m3 (28) 31.0
 
Jan. 14, 2022, 8 p.m. N/A 0.3 ppb (1) 3.3 ppb (4) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.21 ppb (3) 10.0 μg/m3 (10) 6.4 μg/m3 (27) 33.0
 
Jan. 14, 2022, 7 p.m. N/A 0.2 ppb (1) 2.3 ppb (3) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.18 ppb (3) 9.0 μg/m3 (9) 5.8 μg/m3 (25) 33.0
 
Jan. 14, 2022, 6 p.m. N/A 0.3 ppb (1) 2.2 ppb (3) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.19 ppb (3) 7.0 μg/m3 (7) 5.1 μg/m3 (22) 30.0
 
Jan. 14, 2022, 5 p.m. N/A 0.4 ppb (1) 3.0 ppb (3) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.19 ppb (3) 10.0 μg/m3 (10) 6.9 μg/m3 (29) 29.0
 
Jan. 14, 2022, 4 p.m. N/A 1.1 ppb (2) 5.6 ppb (6) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.24 ppb (3) 13.0 μg/m3 (13) 10.4 μg/m3 (44) 44.0
 
Jan. 14, 2022, 3 p.m. N/A 1.4 ppb (2) 7.5 ppb (8) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.22 ppb (3) 14.0 μg/m3 (13) 10.2 μg/m3 (43) 43.0
 
Jan. 14, 2022, 2 p.m. N/A 1.6 ppb (2) 10.2 ppb (10) N/A N/A 1.0 ppb (2) 23.0 ppb (22) 0.25 ppb (3) 17.0 μg/m3 (16) 11.9 μg/m3 (50) 50.0
 
Jan. 14, 2022, 1 p.m. N/A 1.1 ppb (2) 11.5 ppb (11) N/A N/A 1.0 ppb (2) 21.0 ppb (20) 0.27 ppb (4) 18.0 μg/m3 (17) 12.2 μg/m3 (52) 52.0
 
Jan. 14, 2022, noon N/A 0.2 ppb (1) 10.7 ppb (11) N/A N/A 1.0 ppb (2) 22.0 ppb (21) 0.2 ppb (3) 17.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2022, 11 a.m. N/A 0.0 ppb (0) 7.8 ppb (8) N/A N/A 1.0 ppb (2) 27.0 ppb (25) 0.18 ppb (3) 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2022, 10 a.m. N/A 0.4 ppb (1) 5.6 ppb (6) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.17 ppb (3) 14.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
Jan. 14, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.17 ppb (3) 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2022, 8 a.m. N/A 0.0 ppb (0) 5.4 ppb (6) N/A N/A 1.0 ppb (2) 35.0 ppb (33) 0.2 ppb (3) 13.0 μg/m3 (13) 8.2 μg/m3 (35) 35.0
 
Jan. 14, 2022, 7 a.m. N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A 12.0 μg/m3 (12) 7.0 μg/m3 (30) 36.0
 
Jan. 14, 2022, 6 a.m. N/A 0.0 ppb (0) 3.7 ppb (4) N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.2 ppb (3) 11.0 μg/m3 (11) 6.8 μg/m3 (29) 38.0
 
Jan. 14, 2022, 5 a.m. N/A 0.0 ppb (0) 4.1 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.2 ppb (3) 13.0 μg/m3 (13) 7.8 μg/m3 (33) 33.0
 
Jan. 14, 2022, 4 a.m. N/A 0.1 ppb (1) 7.0 ppb (7) N/A N/A 1.0 ppb (2) 34.0 ppb (32) 0.2 ppb (3) 15.0 μg/m3 (14) 10.1 μg/m3 (43) 43.0
 
Jan. 14, 2022, 3 a.m. N/A 0.0 ppb (0) 6.6 ppb (7) N/A N/A 1.0 ppb (2) 34.0 ppb (32) 0.2 ppb (3) 13.0 μg/m3 (13) 8.3 μg/m3 (35) 35.0
 
Jan. 14, 2022, 2 a.m. N/A 0.0 ppb (0) 6.2 ppb (6) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.18 ppb (3) 13.0 μg/m3 (13) 8.5 μg/m3 (36) 36.0
 
Jan. 14, 2022, 1 a.m. N/A 0.0 ppb (0) 6.7 ppb (7) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.2 ppb (3) 14.0 μg/m3 (13) 8.4 μg/m3 (36) 36.0
 
Jan. 14, 2022, midnight N/A 0.1 ppb (1) 10.1 ppb (10) N/A N/A 1.0 ppb (2) 32.0 ppb (30) 0.24 ppb (3) 16.0 μg/m3 (15) 10.2 μg/m3 (43) 43.0
 
Jan. 13, 2022, 11 p.m. N/A 0.0 ppb (0) 14.0 ppb (14) N/A N/A 1.0 ppb (2) 27.0 ppb (25) 0.26 ppb (4) 21.0 μg/m3 (20) 12.6 μg/m3 (53) 53.0
 
Jan. 13, 2022, 10 p.m. N/A 0.1 ppb (1) 14.7 ppb (14) N/A N/A N/A 26.0 ppb (25) 0.27 ppb (4) 22.0 μg/m3 (21) 13.2 μg/m3 (54) 54.0
 
Jan. 13, 2022, 9 p.m. N/A 0.4 ppb (1) 12.7 ppb (12) N/A N/A 1.0 ppb (2) 29.0 ppb (27) 0.25 ppb (3) 17.0 μg/m3 (16) 10.8 μg/m3 (46) 46.0
 
Jan. 13, 2022, 8 p.m. N/A 1.0 ppb (1) 10.8 ppb (11) N/A N/A 1.0 ppb (2) 31.0 ppb (29) 0.23 ppb (3) 17.0 μg/m3 (16) 10.6 μg/m3 (45) 45.0
 
Jan. 13, 2022, 7 p.m. N/A 1.2 ppb (2) 8.0 ppb (8) N/A N/A 1.0 ppb (2) 35.0 ppb (33) 0.2 ppb (3) 14.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
Jan. 13, 2022, 6 p.m. N/A 2.2 ppb (3) 10.4 ppb (10) N/A N/A 1.0 ppb (2) 33.0 ppb (31) 0.21 ppb (3) 15.0 μg/m3 (14) 9.7 μg/m3 (41) 41.0
 
Jan. 13, 2022, 5 p.m. N/A 2.2 ppb (3) 9.7 ppb (10) N/A N/A 1.0 ppb (2) 32.0 ppb (30) 0.2 ppb (3) 16.0 μg/m3 (15) 8.9 μg/m3 (38) 38.0
 
Jan. 13, 2022, 4 p.m. N/A 4.1 ppb (4) 16.0 ppb (16) N/A N/A 1.0 ppb (2) 26.0 ppb (25) 0.23 ppb (3) 20.0 μg/m3 (19) 12.7 μg/m3 (53) 53.0
 
Jan. 13, 2022, 3 p.m. N/A 5.1 ppb (5) 18.8 ppb (18) N/A N/A 1.0 ppb (2) 25.0 ppb (24) 0.24 ppb (3) 21.0 μg/m3 (20) 12.5 μg/m3 (52) 52.0
 
Jan. 13, 2022, 2 p.m. N/A 7.4 ppb (7) 24.5 ppb (24) N/A N/A 1.0 ppb (2) 21.0 ppb (20) 0.3 ppb (4) 21.0 μg/m3 (20) 13.8 μg/m3 (55) 55.0
 
Jan. 13, 2022, 1 p.m. N/A 2.6 ppb (3) 16.6 ppb (16) N/A N/A 1.0 ppb (2) 23.0 ppb (22) 0.25 ppb (3) 19.0 μg/m3 (18) 12.6 μg/m3 (53) 53.0
 
Jan. 13, 2022, noon N/A 0.2 ppb (1) 10.7 ppb (11) N/A N/A 1.0 ppb (2) 23.0 ppb (22) 0.22 ppb (3) 19.0 μg/m3 (18) 10.9 μg/m3 (46) 46.0
 
Jan. 13, 2022, 11 a.m. N/A 0.0 ppb (0) 9.9 ppb (10) N/A N/A 1.0 ppb (2) 22.0 ppb (21) 0.22 ppb (3) 20.0 μg/m3 (19) 12.1 μg/m3 (51) 51.0
 
Jan. 13, 2022, 10 a.m. N/A 0.5 ppb (1) 9.4 ppb (9) N/A N/A 1.0 ppb (2) 23.0 ppb (22) 0.21 ppb (3) 19.0 μg/m3 (18) 11.6 μg/m3 (49) 49.0
 
Jan. 13, 2022, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 24.0 ppb (23) 0.21 ppb (3) 19.0 μg/m3 (18) 11.6 μg/m3 (49) 49.0
 
Jan. 13, 2022, 8 a.m. N/A 0.0 ppb (0) 10.4 ppb (10) N/A N/A 1.0 ppb (2) 23.0 ppb (22) 0.2 ppb (3) 18.0 μg/m3 (17) 11.7 μg/m3 (49) 49.0
 
Jan. 13, 2022, 7 a.m. N/A 0.0 ppb (0) 9.9 ppb (10) N/A N/A 1.0 ppb (2) 24.0 ppb (23) N/A 20.0 μg/m3 (19) 12.1 μg/m3 (51) 51.0
 
Jan. 13, 2022, 6 a.m. N/A 0.1 ppb (1) 9.1 ppb (9) N/A N/A 1.0 ppb (2) 25.0 ppb (24) 0.21 ppb (3) 19.0 μg/m3 (18) 10.8 μg/m3 (46) 46.0
 
Jan. 13, 2022, 5 a.m. N/A 0.0 ppb (0) 8.7 ppb (9) N/A N/A 1.0 ppb (2) N/A 0.2 ppb (3) 19.0 μg/m3 (18) 10.9 μg/m3 (46) 46.0
 
Jan. 13, 2022, 4 a.m. N/A 0.0 ppb (0) 9.3 ppb (9) N/A N/A 1.0 ppb (2) 26.0 ppb (25) 0.22 ppb (3) 20.0 μg/m3 (19) 11.5 μg/m3 (48) 48.0
 
Jan. 13, 2022, 3 a.m. N/A 0.0 ppb (0) 9.5 ppb (9) N/A N/A 1.0 ppb (2) 26.0 ppb (25) 0.23 ppb (3) 20.0 μg/m3 (19) 11.1 μg/m3 (47) 47.0
 
Jan. 13, 2022, 2 a.m. N/A 0.0 ppb (0) 9.3 ppb (9) N/A N/A 1.0 ppb (2) 27.0 ppb (25) 0.22 ppb (3) 18.0 μg/m3 (17) 9.2 μg/m3 (39) 39.0
 
Jan. 13, 2022, 1 a.m. N/A 0.0 ppb (0) 9.7 ppb (10) N/A N/A 1.0 ppb (2) 27.0 ppb (25) 0.21 ppb (3) 18.0 μg/m3 (17) 10.1 μg/m3 (43) 43.0
 
Jan. 13, 2022, midnight N/A 0.0 ppb (0) 10.3 ppb (10) N/A N/A 1.0 ppb (2) 27.0 ppb (25) 0.21 ppb (3) 19.0 μg/m3 (18) 9.9 μg/m3 (42) 42.0
 
Jan. 12, 2022, 11 p.m. N/A 0.0 ppb (0) 10.3 ppb (10) N/A N/A 1.0 ppb (2) 27.0 ppb (25) 0.2 ppb (3) 18.0 μg/m3 (17) 9.1 μg/m3 (38) 38.0
 
Jan. 12, 2022, 10 p.m. N/A 0.1 ppb (1) 11.7 ppb (12) N/A N/A N/A 26.0 ppb (25) 0.21 ppb (3) 18.0 μg/m3 (17) 8.9 μg/m3 (38) 38.0
 
Jan. 12, 2022, 9 p.m. N/A 0.3 ppb (1) 11.8 ppb (12) N/A N/A 1.0 ppb (2) 27.0 ppb (25) 0.2 ppb (3) 15.0 μg/m3 (14) 8.1 μg/m3 (34) 34.0
 
Jan. 12, 2022, 8 p.m. N/A 1.2 ppb (2) 10.2 ppb (10) N/A N/A 1.0 ppb (2) 30.0 ppb (28) 0.18 ppb (3) 15.0 μg/m3 (14) 8.1 μg/m3 (34) 34.0
 
Jan. 12, 2022, 7 p.m. N/A 1.8 ppb (2) 9.3 ppb (9) N/A N/A 1.0 ppb (2) 32.0 ppb (30) 0.18 ppb (3) 14.0 μg/m3 (13) 7.2 μg/m3 (31) 31.0
 
Jan. 12, 2022, 6 p.m. N/A 2.6 ppb (3) 10.1 ppb (10) N/A N/A 1.0 ppb (2) 32.0 ppb (30) 0.19 ppb (3) 14.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
Jan. 12, 2022, 5 p.m. N/A 3.0 ppb (3) 10.5 ppb (10) N/A N/A 1.0 ppb (2) 32.0 ppb (30) 0.19 ppb (3) 12.0 μg/m3 (12) 7.6 μg/m3 (32) 32.0
 
Jan. 12, 2022, 4 p.m. N/A 3.6 ppb (4) 12.4 ppb (12) N/A N/A 1.0 ppb (2) 31.0 ppb (29) 0.2 ppb (3) 12.0 μg/m3 (12) 6.4 μg/m3 (27) 29.0
 
Jan. 12, 2022, 3 p.m. N/A 5.2 ppb (5) 16.2 ppb (16) N/A N/A 1.0 ppb (2) 28.0 ppb (26) 0.6 ppb (7) 11.0 μg/m3 (11) 6.3 μg/m3 (27) 27.0
 
Jan. 12, 2022, 2 p.m. N/A 4.1 ppb (4) 15.3 ppb (15) N/A N/A 1.0 ppb (2) 28.0 ppb (26) 0.19 ppb (3) 12.0 μg/m3 (12) 6.3 μg/m3 (27) 27.0
 
Jan. 12, 2022, 1 p.m. N/A 2.6 ppb (3) 15.6 ppb (15) N/A N/A 1.0 ppb (2) 25.0 ppb (24) 0.19 ppb (3) 12.0 μg/m3 (12) 6.5 μg/m3 (28) 28.0
 
Jan. 12, 2022, noon N/A 0.6 ppb (1) 16.3 ppb (16) N/A N/A 1.0 ppb (2) 21.0 ppb (20) 0.19 ppb (3) 12.0 μg/m3 (12) 6.8 μg/m3 (29) 29.0
 
Jan. 12, 2022, 11 a.m. N/A 0.0 ppb (0) 16.2 ppb (16) N/A N/A 1.0 ppb (2) 21.0 ppb (20) 0.19 ppb (3) 13.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
Jan. 12, 2022, 10 a.m. N/A 0.7 ppb (1) 20.1 ppb (19) N/A N/A 1.0 ppb (2) 17.0 ppb (16) 0.2 ppb (3) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 29.0
 
Jan. 12, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.21 ppb (3) 13.0 μg/m3 (13) 6.5 μg/m3 (28) 28.0
 
Jan. 12, 2022, 8 a.m. N/A 0.0 ppb (0) 10.5 ppb (10) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.16 ppb (3) 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2022, 7 a.m. N/A 0.1 ppb (1) 5.1 ppb (5) N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A 11.0 μg/m3 (11) 5.8 μg/m3 (25) 28.0