ID: 2118

AQSQID: 240190004

Site Name: Horn Point

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

Updated: Dec. 5, 2020, 8:41 a.m.

Location: Cambridge (Horns Point Rd), MD

Reporting: True, Located: True

Current AQI: 31.0

Cambridge (Horns Point Rd) MD, US: 38.5876, -76.1408

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 5, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
Dec. 5, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
Dec. 5, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0
 
Dec. 5, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Dec. 5, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A N/A 17.0
 
Dec. 5, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 8.0 μg/m3 (34) 34.0
 
Dec. 5, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
Dec. 5, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 9.0 μg/m3 (38) 38.0
 
Dec. 4, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
Dec. 4, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 8.0 μg/m3 (34) 34.0
 
Dec. 4, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 10.0 μg/m3 (42) 42.0
 
Dec. 4, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 8.0 μg/m3 (34) 34.0
 
Dec. 4, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 11.0 μg/m3 (46) 46.0
 
Dec. 4, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
Dec. 4, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Dec. 4, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
Dec. 4, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 8.0 μg/m3 (34) 34.0
 
Dec. 4, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 9.0 μg/m3 (38) 38.0
 
Dec. 4, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Dec. 4, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
Dec. 4, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 8.0 μg/m3 (34) 34.0
 
Dec. 4, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 8.0 μg/m3 (34) 34.0
 
Dec. 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
Dec. 4, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 8.0 μg/m3 (34) 34.0
 
Dec. 4, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
Dec. 4, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Dec. 4, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
Dec. 4, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
Dec. 4, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
Dec. 4, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 4.0 μg/m3 (17) 17.0
 
Dec. 4, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 6.0 μg/m3 (25) 25.0
 
Dec. 4, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 2.0 μg/m3 (9) 20.0
 
Dec. 3, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 3.0 μg/m3 (13) 27.0
 
Dec. 3, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
Dec. 3, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
Dec. 3, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
Dec. 3, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
Dec. 3, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
Dec. 3, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
Dec. 3, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Dec. 3, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 6.0 μg/m3 (25) 26.0
 
Dec. 3, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
Dec. 3, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
Dec. 3, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 8.0 μg/m3 (34) 34.0
 
Dec. 3, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 8.0 μg/m3 (34) 34.0
 
Dec. 3, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 3.0 μg/m3 (13) 18.0
 
Dec. 3, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0
 
Dec. 3, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 7.0 μg/m3 (30) 30.0
 
Dec. 3, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
Dec. 3, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
Dec. 3, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Dec. 3, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
Dec. 3, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 7.0 μg/m3 (30) 30.0
 
Dec. 3, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
Dec. 3, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 3.0 μg/m3 (13) 32.0
 
Dec. 3, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
Dec. 2, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
Dec. 2, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
Dec. 2, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
Dec. 2, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
Dec. 2, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 12.0 μg/m3 (50) 50.0
 
Dec. 2, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 2.0 μg/m3 (9) 31.0
 
Dec. 2, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
Dec. 2, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 7.0 μg/m3 (30) 30.0
 
Dec. 2, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 7.0 μg/m3 (30) 30.0
 
Dec. 2, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Dec. 2, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
Dec. 2, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 24.0
 
Dec. 2, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Dec. 2, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
Dec. 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 0.0 μg/m3 (0) 23.0
 
Dec. 2, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 1.0 μg/m3 (5) 23.0
 
Dec. 2, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
Dec. 2, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
Dec. 2, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 3.0 μg/m3 (13) 23.0
 
Dec. 2, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Dec. 2, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
Dec. 2, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 0.0 μg/m3 (0) 20.0
 
Dec. 2, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 2.0 μg/m3 (9) 21.0
 
Dec. 2, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Dec. 1, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 3.0 μg/m3 (13) 23.0
 
Dec. 1, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Dec. 1, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 1.0 μg/m3 (5) 19.0
 
Dec. 1, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 2.0 μg/m3 (9) 18.0
 
Dec. 1, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 2.0 μg/m3 (9) 15.0
 
Dec. 1, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 1.0 μg/m3 (5) 15.0
 
Dec. 1, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 2.0 μg/m3 (9) 13.0
 
Dec. 1, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 3.0 μg/m3 (13) 13.0
 
Dec. 1, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 5.0 μg/m3 (21) 21.0
 
Dec. 1, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Dec. 1, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
Dec. 1, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Dec. 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 3.0 μg/m3 (13) 20.0
 
Dec. 1, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 3.0 μg/m3 (13) 13.0
 
Dec. 1, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 3.0 μg/m3 (13) 14.0
 
Dec. 1, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 7.0 μg/m3 (30) 30.0
 
Dec. 1, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.0 μg/m3 (13) 21.0
 
Dec. 1, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A -1.0 μg/m3 (0) 21.0
 
Dec. 1, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 1.0 μg/m3 (5) 21.0
 
Dec. 1, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 3.0 μg/m3 (13) 22.0
 
Dec. 1, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Nov. 30, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Nov. 30, 2020, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
Nov. 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
Nov. 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 30, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
Nov. 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 30, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
Nov. 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 0.0 μg/m3 (0) 31.0
 
Nov. 30, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A -2.0 μg/m3 (0) 32.0
 
Nov. 30, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 1.0 μg/m3 (5) 33.0
 
Nov. 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A -1.0 μg/m3 (0) 36.0
 
Nov. 30, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A -1.0 μg/m3 (0) 35.0
 
Nov. 30, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
Nov. 30, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
Nov. 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Nov. 30, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 7.0 μg/m3 (30) 32.0
 
Nov. 30, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 30, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 30, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
Nov. 30, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
Nov. 30, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 30, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 30, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 30, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
Nov. 29, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 2.0 μg/m3 (9) 28.0
 
Nov. 29, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
Nov. 29, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Nov. 29, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
Nov. 29, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
Nov. 29, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
Nov. 29, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
Nov. 29, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Nov. 29, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
Nov. 29, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 3.0 μg/m3 (13) 22.0
 
Nov. 29, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 29, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 29, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 29, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 29, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 29, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 29, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 29, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 29, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 29, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 7.0 μg/m3 (30) 30.0
 
Nov. 29, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 29, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 28, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
Nov. 28, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
Nov. 28, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 6.0 μg/m3 (25) 36.0
 
Nov. 28, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
Nov. 28, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
Nov. 28, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
Nov. 28, 2020, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Nov. 28, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 6.0 μg/m3 (25) 26.0
 
Nov. 28, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 14.0 μg/m3 (55) 55.0
 
Nov. 28, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 13.0 μg/m3 (53) 53.0
 
Nov. 28, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 28, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 9.0 μg/m3 (38) 38.0