ID: 1021

AQSQID: 090050005

Site Name: Cornwall

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

Updated: Oct. 31, 2020, 10:39 a.m.

Location: W Cornwall (E Cornwall), CT

Reporting: True, Located: True

Current AQI: 34.0

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
Oct. 31, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.14 ppb (2) 11.3 μg/m3 (11) 8.0 μg/m3 (34) 34.0
 
Oct. 31, 2020, 8 a.m. N/A 0.0 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.13 ppb (2) 9.6 μg/m3 (9) 6.1 μg/m3 (26) 26.0
 
Oct. 31, 2020, 7 a.m. N/A 0.0 ppb (0) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A 9.2 μg/m3 (9) 5.9 μg/m3 (25) 25.0
 
Oct. 31, 2020, 6 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.12 ppb (2) 8.5 μg/m3 (8) 5.8 μg/m3 (25) 25.0
 
Oct. 31, 2020, 5 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.12 ppb (2) 8.2 μg/m3 (8) 5.7 μg/m3 (24) 24.0
 
Oct. 31, 2020, 4 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.12 ppb (2) 8.7 μg/m3 (9) 5.8 μg/m3 (25) 25.0
 
Oct. 31, 2020, 3 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.13 ppb (2) 8.7 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Oct. 31, 2020, 2 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.12 ppb (2) 9.6 μg/m3 (9) 6.3 μg/m3 (27) 27.0
 
Oct. 31, 2020, 1 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.13 ppb (2) 9.4 μg/m3 (9) 6.9 μg/m3 (29) 29.0
 
Oct. 31, 2020, midnight N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.12 ppb (2) 9.9 μg/m3 (10) 7.3 μg/m3 (31) 31.0
 
Oct. 30, 2020, 11 p.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.14 ppb (2) 9.2 μg/m3 (9) 6.8 μg/m3 (29) 29.0
 
Oct. 30, 2020, 10 p.m. N/A 0.0 ppb (0) 1.5 ppb (2) N/A N/A N/A 25.0 ppb (24) 0.14 ppb (2) 8.9 μg/m3 (9) 7.1 μg/m3 (30) 30.0
 
Oct. 30, 2020, 9 p.m. N/A 0.0 ppb (0) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.14 ppb (2) 8.7 μg/m3 (9) 6.9 μg/m3 (29) 29.0
 
Oct. 30, 2020, 8 p.m. N/A 0.2 ppb (1) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.14 ppb (2) 6.8 μg/m3 (7) 5.4 μg/m3 (23) 23.0
 
Oct. 30, 2020, 7 p.m. N/A 0.2 ppb (1) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.15 ppb (2) 4.3 μg/m3 (4) 3.7 μg/m3 (16) 23.0
 
Oct. 30, 2020, 6 p.m. N/A 0.2 ppb (1) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.14 ppb (2) 2.4 μg/m3 (3) 1.9 μg/m3 (8) 25.0
 
Oct. 30, 2020, 5 p.m. N/A 0.2 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 2.0 μg/m3 (2) 1.6 μg/m3 (7) 31.0
 
Oct. 30, 2020, 4 p.m. N/A 2.0 ppb (2) 2.6 ppb (3) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.13 ppb (2) 4.1 μg/m3 (4) 2.5 μg/m3 (11) 30.0
 
Oct. 30, 2020, 3 p.m. N/A 0.1 ppb (1) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.13 ppb (2) 1.8 μg/m3 (2) 1.0 μg/m3 (5) 27.0
 
Oct. 30, 2020, 2 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.12 ppb (2) 2.8 μg/m3 (3) 1.3 μg/m3 (6) 28.0
 
Oct. 30, 2020, 1 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.13 ppb (2) 1.8 μg/m3 (2) 0.6 μg/m3 (3) 26.0
 
Oct. 30, 2020, noon N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.13 ppb (2) 1.9 μg/m3 (2) 0.5 μg/m3 (3) 25.0
 
Oct. 30, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.13 ppb (2) 0.9 μg/m3 (1) 0.5 μg/m3 (3) 25.0
 
Oct. 30, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.13 ppb (2) 0.7 μg/m3 (1) 0.5 μg/m3 (3) 25.0
 
Oct. 30, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.12 ppb (2) 1.1 μg/m3 (2) 0.5 μg/m3 (3) 27.0
 
Oct. 30, 2020, 8 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.12 ppb (2) 1.1 μg/m3 (2) 0.3 μg/m3 (2) 25.0
 
Oct. 30, 2020, 7 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A 0.8 μg/m3 (1) 0.3 μg/m3 (2) 24.0
 
Oct. 30, 2020, 6 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.14 ppb (2) 0.9 μg/m3 (1) 0.3 μg/m3 (2) 25.0
 
Oct. 30, 2020, 5 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.14 ppb (2) 1.4 μg/m3 (2) 0.4 μg/m3 (2) 2.0
 
Oct. 30, 2020, 4 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.13 ppb (2) 1.9 μg/m3 (2) 0.9 μg/m3 (4) 27.0
 
Oct. 30, 2020, 3 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.14 ppb (2) 2.2 μg/m3 (3) 1.3 μg/m3 (6) 27.0
 
Oct. 30, 2020, 2 a.m. N/A 0.0 ppb (0) 1.5 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.14 ppb (2) 2.1 μg/m3 (2) 1.0 μg/m3 (5) 26.0
 
Oct. 30, 2020, 1 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.13 ppb (2) 2.8 μg/m3 (3) 2.0 μg/m3 (9) 30.0
 
Oct. 30, 2020, midnight N/A 0.0 ppb (0) 2.3 ppb (3) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.14 ppb (2) 2.1 μg/m3 (2) 1.4 μg/m3 (6) 27.0
 
Oct. 29, 2020, 11 p.m. N/A 0.0 ppb (0) 3.3 ppb (4) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.16 ppb (3) 1.1 μg/m3 (2) 0.5 μg/m3 (3) 24.0
 
Oct. 29, 2020, 10 p.m. N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A N/A 26.0 ppb (25) 0.15 ppb (2) 1.1 μg/m3 (2) 0.5 μg/m3 (3) 25.0
 
Oct. 29, 2020, 9 p.m. N/A 0.0 ppb (0) 3.9 ppb (4) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.15 ppb (2) 1.8 μg/m3 (2) 0.8 μg/m3 (4) 25.0
 
Oct. 29, 2020, 8 p.m. N/A 0.0 ppb (0) 3.5 ppb (4) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.15 ppb (2) 1.4 μg/m3 (2) 0.9 μg/m3 (4) 26.0
 
Oct. 29, 2020, 7 p.m. N/A 0.2 ppb (1) 4.3 ppb (5) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 2.4 μg/m3 (3) 1.7 μg/m3 (8) 25.0
 
Oct. 29, 2020, 6 p.m. N/A 0.3 ppb (1) 4.4 ppb (5) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.17 ppb (3) 3.4 μg/m3 (4) 2.6 μg/m3 (11) 26.0
 
Oct. 29, 2020, 5 p.m. N/A 0.2 ppb (1) 3.5 ppb (4) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.18 ppb (3) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 28.0
 
Oct. 29, 2020, 4 p.m. N/A 0.1 ppb (1) 2.5 ppb (3) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.17 ppb (3) 7.5 μg/m3 (7) 4.6 μg/m3 (20) 31.0
 
Oct. 29, 2020, 3 p.m. N/A 0.1 ppb (1) 2.6 ppb (3) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) 8.4 μg/m3 (8) 5.4 μg/m3 (23) 26.0
 
Oct. 29, 2020, 2 p.m. N/A 0.1 ppb (1) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.15 ppb (2) 9.7 μg/m3 (9) 6.2 μg/m3 (26) 26.0
 
Oct. 29, 2020, 1 p.m. N/A 0.0 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.16 ppb (3) 10.0 μg/m3 (10) 6.4 μg/m3 (27) 27.0
 
Oct. 29, 2020, noon N/A 0.0 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.16 ppb (3) 9.0 μg/m3 (9) 5.5 μg/m3 (23) 24.0
 
Oct. 29, 2020, 11 a.m. N/A 0.0 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.15 ppb (2) 9.4 μg/m3 (9) 5.8 μg/m3 (25) 25.0
 
Oct. 29, 2020, 10 a.m. N/A 0.0 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.15 ppb (2) 9.5 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Oct. 29, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.17 ppb (3) 7.9 μg/m3 (8) 4.5 μg/m3 (19) 22.0
 
Oct. 29, 2020, 8 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.16 ppb (3) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Oct. 29, 2020, 7 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A 7.8 μg/m3 (8) 3.8 μg/m3 (16) 18.0
 
Oct. 29, 2020, 6 a.m. N/A 0.0 ppb (0) 2.2 ppb (3) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.16 ppb (3) 7.4 μg/m3 (7) 3.7 μg/m3 (16) 18.0
 
Oct. 29, 2020, 5 a.m. N/A 0.0 ppb (0) 2.3 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.17 ppb (3) 8.0 μg/m3 (8) 3.8 μg/m3 (16) 16.0
 
Oct. 29, 2020, 4 a.m. N/A 0.0 ppb (0) 2.2 ppb (3) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.17 ppb (3) 7.1 μg/m3 (7) 3.2 μg/m3 (14) 17.0
 
Oct. 29, 2020, 3 a.m. N/A 0.0 ppb (0) 2.3 ppb (3) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.16 ppb (3) 8.2 μg/m3 (8) 3.9 μg/m3 (17) 19.0
 
Oct. 29, 2020, 2 a.m. N/A 0.0 ppb (0) 2.4 ppb (3) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.16 ppb (3) 8.2 μg/m3 (8) 3.7 μg/m3 (16) 20.0
 
Oct. 29, 2020, 1 a.m. N/A 0.0 ppb (0) 2.9 ppb (3) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.18 ppb (3) 7.5 μg/m3 (7) 3.4 μg/m3 (15) 19.0
 
Oct. 29, 2020, midnight N/A 0.0 ppb (0) 3.3 ppb (4) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.18 ppb (3) 6.9 μg/m3 (7) 3.6 μg/m3 (16) 19.0
 
Oct. 28, 2020, 11 p.m. N/A 0.0 ppb (0) 2.9 ppb (3) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.17 ppb (3) 8.0 μg/m3 (8) 3.7 μg/m3 (16) 20.0
 
Oct. 28, 2020, 10 p.m. N/A 0.0 ppb (0) 2.8 ppb (3) N/A N/A N/A 21.0 ppb (20) 0.18 ppb (3) 7.6 μg/m3 (8) 3.6 μg/m3 (16) 20.0
 
Oct. 28, 2020, 9 p.m. N/A 0.0 ppb (0) 2.4 ppb (3) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.17 ppb (3) 7.6 μg/m3 (8) 3.3 μg/m3 (14) 22.0
 
Oct. 28, 2020, 8 p.m. N/A 0.0 ppb (0) 2.2 ppb (3) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.17 ppb (3) 5.7 μg/m3 (6) 2.8 μg/m3 (12) 24.0
 
Oct. 28, 2020, 7 p.m. N/A 0.1 ppb (1) 2.3 ppb (3) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.18 ppb (3) 4.9 μg/m3 (5) 2.5 μg/m3 (11) 24.0
 
Oct. 28, 2020, 6 p.m. N/A 0.3 ppb (1) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.18 ppb (3) 7.3 μg/m3 (7) 2.6 μg/m3 (11) 22.0
 
Oct. 28, 2020, 5 p.m. N/A 0.6 ppb (1) 2.9 ppb (3) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.17 ppb (3) 4.1 μg/m3 (4) 2.4 μg/m3 (10) 19.0
 
Oct. 28, 2020, 4 p.m. N/A 0.7 ppb (1) 2.9 ppb (3) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.17 ppb (3) 1.9 μg/m3 (2) 0.9 μg/m3 (4) 19.0
 
Oct. 28, 2020, 3 p.m. N/A 1.4 ppb (2) 5.2 ppb (5) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.16 ppb (3) 1.4 μg/m3 (2) 0.8 μg/m3 (4) 18.0
 
Oct. 28, 2020, 2 p.m. N/A 0.4 ppb (1) 3.4 ppb (4) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.15 ppb (2) 0.7 μg/m3 (1) 0.4 μg/m3 (2) 18.0
 
Oct. 28, 2020, 1 p.m. N/A 0.1 ppb (1) 2.5 ppb (3) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.15 ppb (2) 0.8 μg/m3 (1) 0.6 μg/m3 (3) 19.0
 
Oct. 28, 2020, noon N/A 0.0 ppb (0) 2.4 ppb (3) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.15 ppb (2) 3.0 μg/m3 (3) 2.5 μg/m3 (11) 19.0
 
Oct. 28, 2020, 11 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.15 ppb (2) 4.2 μg/m3 (4) 3.5 μg/m3 (15) 20.0
 
Oct. 28, 2020, 10 a.m. N/A 0.0 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.14 ppb (2) 6.3 μg/m3 (6) 4.7 μg/m3 (20) 21.0
 
Oct. 28, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.15 ppb (2) 7.3 μg/m3 (7) 4.8 μg/m3 (20) 21.0
 
Oct. 28, 2020, 8 a.m. N/A 0.0 ppb (0) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.14 ppb (2) 7.6 μg/m3 (8) 4.4 μg/m3 (19) 20.0
 
Oct. 28, 2020, 7 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A 6.5 μg/m3 (7) 3.3 μg/m3 (14) 22.0
 
Oct. 28, 2020, 6 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.13 ppb (2) 6.3 μg/m3 (6) 3.4 μg/m3 (15) 23.0
 
Oct. 28, 2020, 5 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.12 ppb (2) 5.1 μg/m3 (5) 2.5 μg/m3 (11) 11.0
 
Oct. 28, 2020, 4 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.12 ppb (2) 7.1 μg/m3 (7) 3.7 μg/m3 (16) 26.0
 
Oct. 28, 2020, 3 a.m. N/A 0.0 ppb (0) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.13 ppb (2) 6.9 μg/m3 (7) 3.7 μg/m3 (16) 25.0
 
Oct. 28, 2020, 2 a.m. N/A 1.2 ppb (2) 3.7 ppb (4) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.13 ppb (2) 9.0 μg/m3 (9) 4.6 μg/m3 (20) 25.0
 
Oct. 28, 2020, 1 a.m. N/A 0.1 ppb (1) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.13 ppb (2) 8.5 μg/m3 (8) 4.7 μg/m3 (20) 25.0
 
Oct. 28, 2020, midnight N/A 0.0 ppb (0) 1.5 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.13 ppb (2) 7.4 μg/m3 (7) 3.0 μg/m3 (13) 25.0
 
Oct. 27, 2020, 11 p.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.14 ppb (2) 7.0 μg/m3 (7) 3.5 μg/m3 (15) 24.0
 
Oct. 27, 2020, 10 p.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A N/A N/A 27.0 ppb (25) 0.14 ppb (2) 5.9 μg/m3 (6) 2.9 μg/m3 (13) 25.0
 
Oct. 27, 2020, 9 p.m. N/A 0.0 ppb (0) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.13 ppb (2) 6.5 μg/m3 (7) 3.1 μg/m3 (13) 25.0
 
Oct. 27, 2020, 8 p.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.12 ppb (2) 6.3 μg/m3 (6) 2.8 μg/m3 (12) 27.0
 
Oct. 27, 2020, 7 p.m. N/A 0.1 ppb (1) 1.4 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.12 ppb (2) 6.4 μg/m3 (6) 3.3 μg/m3 (14) 29.0
 
Oct. 27, 2020, 6 p.m. N/A 0.2 ppb (1) 1.5 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.12 ppb (2) 6.3 μg/m3 (6) 3.0 μg/m3 (13) 29.0
 
Oct. 27, 2020, 5 p.m. N/A 0.3 ppb (1) 1.4 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.11 ppb (2) 5.5 μg/m3 (6) 2.8 μg/m3 (12) 28.0
 
Oct. 27, 2020, 4 p.m. N/A 0.3 ppb (1) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.12 ppb (2) 6.1 μg/m3 (6) 3.1 μg/m3 (13) 26.0
 
Oct. 27, 2020, 3 p.m. N/A 0.2 ppb (1) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.13 ppb (2) 6.2 μg/m3 (6) 3.2 μg/m3 (14) 24.0
 
Oct. 27, 2020, 2 p.m. N/A 0.3 ppb (1) 2.1 ppb (2) N/A N/A N/A 24.0 ppb (23) 0.13 ppb (2) 6.6 μg/m3 (7) 3.1 μg/m3 (13) 23.0
 
Oct. 27, 2020, 1 p.m. N/A 0.1 ppb (1) 1.5 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.07 ppb (2) 6.3 μg/m3 (6) 3.2 μg/m3 (14) 23.0
 
Oct. 27, 2020, noon N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.12 ppb (2) 5.3 μg/m3 (5) 2.8 μg/m3 (12) 24.0
 
Oct. 27, 2020, 11 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.11 ppb (2) 5.9 μg/m3 (6) 2.9 μg/m3 (13) 26.0
 
Oct. 27, 2020, 10 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.11 ppb (2) 5.6 μg/m3 (6) 2.4 μg/m3 (10) 28.0
 
Oct. 27, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.19 ppb (3) 3.7 μg/m3 (4) 1.5 μg/m3 (7) 25.0
 
Oct. 27, 2020, 8 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.15 ppb (2) 4.1 μg/m3 (4) 1.6 μg/m3 (7) 19.0
 
Oct. 27, 2020, 7 a.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A 1.9 μg/m3 (2) 0.9 μg/m3 (4) 17.0
 
Oct. 27, 2020, 6 a.m. N/A 0.0 ppb (0) 3.1 ppb (3) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.17 ppb (3) 1.1 μg/m3 (2) 0.4 μg/m3 (2) 14.0
 
Oct. 27, 2020, 5 a.m. N/A 0.0 ppb (0) 2.6 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.16 ppb (3) 0.8 μg/m3 (1) 0.4 μg/m3 (2) 3.0
 
Oct. 27, 2020, 4 a.m. N/A 0.0 ppb (0) 2.6 ppb (3) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.15 ppb (2) 1.2 μg/m3 (2) 0.7 μg/m3 (3) 22.0
 
Oct. 27, 2020, 3 a.m. N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.16 ppb (3) 2.2 μg/m3 (3) 0.9 μg/m3 (4) 22.0
 
Oct. 27, 2020, 2 a.m. N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.16 ppb (3) 3.3 μg/m3 (4) 1.9 μg/m3 (8) 20.0
 
Oct. 27, 2020, 1 a.m. N/A 0.0 ppb (0) 5.7 ppb (6) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.18 ppb (3) 3.6 μg/m3 (4) 2.8 μg/m3 (12) 17.0
 
Oct. 27, 2020, midnight N/A 0.0 ppb (0) 5.9 ppb (6) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.17 ppb (3) 5.7 μg/m3 (6) 4.1 μg/m3 (18) 18.0
 
Oct. 26, 2020, 11 p.m. N/A 0.0 ppb (0) 5.5 ppb (6) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.18 ppb (3) 4.5 μg/m3 (5) 3.7 μg/m3 (16) 17.0
 
Oct. 26, 2020, 10 p.m. N/A 0.0 ppb (0) 5.5 ppb (6) N/A N/A N/A 19.0 ppb (18) 0.17 ppb (3) 5.1 μg/m3 (5) 4.1 μg/m3 (18) 18.0
 
Oct. 26, 2020, 9 p.m. N/A 0.1 ppb (1) 4.5 ppb (5) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.15 ppb (2) 3.5 μg/m3 (4) 3.2 μg/m3 (14) 19.0
 
Oct. 26, 2020, 8 p.m. N/A 0.2 ppb (1) 3.6 ppb (4) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.14 ppb (2) 2.9 μg/m3 (3) 2.5 μg/m3 (11) 23.0
 
Oct. 26, 2020, 7 p.m. N/A 0.3 ppb (1) 2.8 ppb (3) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.14 ppb (2) 3.4 μg/m3 (4) 2.7 μg/m3 (12) 25.0
 
Oct. 26, 2020, 6 p.m. N/A 0.4 ppb (1) 2.4 ppb (3) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.14 ppb (2) 3.2 μg/m3 (3) 2.8 μg/m3 (12) 25.0
 
Oct. 26, 2020, 5 p.m. N/A 0.4 ppb (1) 2.3 ppb (3) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.14 ppb (2) 5.2 μg/m3 (5) 4.1 μg/m3 (18) 25.0
 
Oct. 26, 2020, 4 p.m. N/A 0.3 ppb (1) 2.3 ppb (3) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.15 ppb (2) 8.1 μg/m3 (8) 6.1 μg/m3 (26) 26.0
 
Oct. 26, 2020, 3 p.m. N/A 0.2 ppb (1) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.13 ppb (2) 6.4 μg/m3 (6) 4.7 μg/m3 (20) 25.0
 
Oct. 26, 2020, 2 p.m. N/A 0.1 ppb (1) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.12 ppb (2) 6.1 μg/m3 (6) 4.7 μg/m3 (20) 25.0
 
Oct. 26, 2020, 1 p.m. N/A 0.1 ppb (1) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.14 ppb (2) 6.9 μg/m3 (7) 5.4 μg/m3 (23) 24.0
 
Oct. 26, 2020, noon N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.12 ppb (2) 2.8 μg/m3 (3) 2.6 μg/m3 (11) 24.0
 
Oct. 26, 2020, 11 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.13 ppb (2) 3.9 μg/m3 (4) 3.4 μg/m3 (15) 24.0
 
Oct. 26, 2020, 10 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.13 ppb (2) 5.3 μg/m3 (5) 4.1 μg/m3 (18) 25.0
 
Oct. 26, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.13 ppb (2) 6.6 μg/m3 (7) 4.7 μg/m3 (20) 25.0
 
Oct. 26, 2020, 8 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.12 ppb (2) 7.8 μg/m3 (8) 5.2 μg/m3 (22) 25.0
 
Oct. 26, 2020, 7 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A 6.5 μg/m3 (7) 4.6 μg/m3 (20) 24.0
 
Oct. 26, 2020, 6 a.m. N/A 0.0 ppb (0) 1.5 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.12 ppb (2) 9.2 μg/m3 (9) 6.2 μg/m3 (26) 26.0
 
Oct. 26, 2020, 5 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.13 ppb (2) 10.0 μg/m3 (10) 6.1 μg/m3 (26) 26.0
 
Oct. 26, 2020, 4 a.m. N/A 0.0 ppb (0) 2.4 ppb (3) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.14 ppb (2) 11.3 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
Oct. 26, 2020, 3 a.m. N/A 0.0 ppb (0) 2.6 ppb (3) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.15 ppb (2) 12.0 μg/m3 (12) 7.6 μg/m3 (32) 32.0
 
Oct. 26, 2020, 2 a.m. N/A 0.0 ppb (0) 1.5 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.14 ppb (2) 10.7 μg/m3 (10) 6.8 μg/m3 (29) 29.0
 
Oct. 26, 2020, 1 a.m. N/A 0.0 ppb (0) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.13 ppb (2) 10.6 μg/m3 (10) 6.8 μg/m3 (29) 29.0
 
Oct. 26, 2020, midnight N/A 0.0 ppb (0) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.13 ppb (2) 10.6 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Oct. 25, 2020, 11 p.m. N/A 0.0 ppb (0) 1.5 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.14 ppb (2) 11.0 μg/m3 (11) 6.8 μg/m3 (29) 29.0
 
Oct. 25, 2020, 10 p.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A N/A N/A 27.0 ppb (25) 0.14 ppb (2) 9.8 μg/m3 (10) 5.5 μg/m3 (23) 25.0
 
Oct. 25, 2020, 9 p.m. N/A 0.2 ppb (1) 1.5 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.14 ppb (2) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 27.0
 
Oct. 25, 2020, 8 p.m. N/A 0.3 ppb (1) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.14 ppb (2) 7.4 μg/m3 (7) 3.9 μg/m3 (17) 27.0
 
Oct. 25, 2020, 7 p.m. N/A 0.2 ppb (1) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.12 ppb (2) 7.7 μg/m3 (8) 3.7 μg/m3 (16) 27.0
 
Oct. 25, 2020, 6 p.m. N/A 0.1 ppb (1) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.11 ppb (2) 8.7 μg/m3 (9) 4.5 μg/m3 (19) 27.0
 
Oct. 25, 2020, 5 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.12 ppb (2) 4.9 μg/m3 (5) 3.1 μg/m3 (13) 27.0
 
Oct. 25, 2020, 4 p.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.11 ppb (2) 4.8 μg/m3 (5) 3.1 μg/m3 (13) 27.0
 
Oct. 25, 2020, 3 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.11 ppb (2) 4.9 μg/m3 (5) 2.9 μg/m3 (13) 26.0
 
Oct. 25, 2020, 2 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.11 ppb (2) 5.6 μg/m3 (6) 3.1 μg/m3 (13) 25.0
 
Oct. 25, 2020, 1 p.m. N/A 0.1 ppb (1) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.1 ppb (2) 5.0 μg/m3 (5) 2.6 μg/m3 (11) 23.0
 
Oct. 25, 2020, noon N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.1 ppb (2) 5.4 μg/m3 (5) 3.2 μg/m3 (14) 22.0
 
Oct. 25, 2020, 11 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.1 ppb (2) 6.3 μg/m3 (6) 3.6 μg/m3 (16) 22.0
 
Oct. 25, 2020, 10 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.1 ppb (2) 4.9 μg/m3 (5) 2.7 μg/m3 (12) 22.0
 
Oct. 25, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.13 ppb (2) 5.2 μg/m3 (5) 2.7 μg/m3 (12) 22.0
 
Oct. 25, 2020, 8 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.11 ppb (2) 4.4 μg/m3 (5) 2.6 μg/m3 (11) 22.0
 
Oct. 25, 2020, 7 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A 5.0 μg/m3 (5) 2.8 μg/m3 (12) 21.0
 
Oct. 25, 2020, 6 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.12 ppb (2) 6.9 μg/m3 (7) 3.8 μg/m3 (16) 19.0
 
Oct. 25, 2020, 5 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.13 ppb (2) 4.6 μg/m3 (5) 2.5 μg/m3 (11) 11.0
 
Oct. 25, 2020, 4 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.12 ppb (2) 4.8 μg/m3 (5) 2.1 μg/m3 (9) 18.0
 
Oct. 25, 2020, 3 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.12 ppb (2) 6.2 μg/m3 (6) 2.4 μg/m3 (10) 18.0
 
Oct. 25, 2020, 2 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.11 ppb (2) 4.7 μg/m3 (5) 2.3 μg/m3 (10) 17.0
 
Oct. 25, 2020, 1 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.13 ppb (2) 4.7 μg/m3 (5) 1.5 μg/m3 (7) 15.0
 
Oct. 25, 2020, midnight N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.12 ppb (2) 4.3 μg/m3 (4) 1.9 μg/m3 (8) 15.0
 
Oct. 24, 2020, 11 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.13 ppb (2) 4.4 μg/m3 (5) 2.0 μg/m3 (9) 16.0
 
Oct. 24, 2020, 10 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A N/A 19.0 ppb (18) 0.13 ppb (2) 5.0 μg/m3 (5) 2.4 μg/m3 (10) 18.0
 
Oct. 24, 2020, 9 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.13 ppb (2) 6.9 μg/m3 (7) 2.1 μg/m3 (9) 22.0
 
Oct. 24, 2020, 8 p.m. N/A 0.1 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.12 ppb (2) 6.6 μg/m3 (7) 2.1 μg/m3 (9) 25.0
 
Oct. 24, 2020, 7 p.m. N/A 0.1 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.13 ppb (2) 4.7 μg/m3 (5) 2.5 μg/m3 (11) 24.0
 
Oct. 24, 2020, 6 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.13 ppb (2) 3.3 μg/m3 (4) 1.6 μg/m3 (7) 21.0
 
Oct. 24, 2020, 5 p.m. N/A 0.1 ppb (1) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.14 ppb (2) 2.4 μg/m3 (3) 0.9 μg/m3 (4) 17.0
 
Oct. 24, 2020, 4 p.m. N/A 0.1 ppb (1) 1.5 ppb (2) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.13 ppb (2) 10.8 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Oct. 24, 2020, 3 p.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.12 ppb (2) 12.6 μg/m3 (12) 8.2 μg/m3 (35) 35.0
 
Oct. 24, 2020, 2 p.m. N/A 0.0 ppb (0) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.12 ppb (2) 10.7 μg/m3 (10) 7.1 μg/m3 (30) 30.0
 
Oct. 24, 2020, 1 p.m. N/A 0.0 ppb (0) 1.5 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.12 ppb (2) 10.9 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
Oct. 24, 2020, noon N/A 0.0 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.12 ppb (2) 13.1 μg/m3 (13) 8.5 μg/m3 (36) 36.0
 
Oct. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.14 ppb (2) 12.1 μg/m3 (12) 8.7 μg/m3 (37) 37.0
 
Oct. 24, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.14 ppb (2) 10.1 μg/m3 (10) 7.1 μg/m3 (30) 30.0