ID: 2118

AQSQID: 240190004

Site Name: Horn Point

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

Updated: Jan. 18, 2022, 1:33 a.m.

Location: Cambridge (Horns Point Rd), MD

Reporting: True, Located: True

Current AQI: 38.0

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
Jan. 18, 2022, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 8.0 μg/m3 (34) 38.0
 
Jan. 17, 2022, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2022, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 8.0 μg/m3 (34) 35.0
 
Jan. 17, 2022, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
Jan. 17, 2022, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Jan. 17, 2022, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Jan. 17, 2022, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
Jan. 17, 2022, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
Jan. 17, 2022, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
Jan. 17, 2022, 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 5.0 μg/m3 (21) 26.0
 
Jan. 17, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Jan. 17, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
Jan. 17, 2022, noon 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
 
Jan. 17, 2022, 11 a.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
 
Jan. 17, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
Jan. 17, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.0 μg/m3 (5) 28.0
 
Jan. 17, 2022, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 1.0 μg/m3 (5) 29.0
 
Jan. 17, 2022, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 1.0 μg/m3 (5) 30.0
 
Jan. 17, 2022, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
Jan. 17, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A -2.0 μg/m3 (0) 41.0
 
Jan. 17, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A -1.0 μg/m3 (0) 45.0
 
Jan. 17, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
Jan. 17, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
Jan. 17, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 2.0 μg/m3 (9) 37.0
 
Jan. 17, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 2.0 μg/m3 (9) 34.0
 
Jan. 16, 2022, 11 p.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
 
Jan. 16, 2022, 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 7.0 μg/m3 (30) 31.0
 
Jan. 16, 2022, 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 5.0 μg/m3 (21) 29.0
 
Jan. 16, 2022, 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 6.0 μg/m3 (25) 26.0
 
Jan. 16, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2022, 3 p.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
 
Jan. 16, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2022, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2022, 11 a.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
 
Jan. 16, 2022, 10 a.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
 
Jan. 16, 2022, 9 a.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
 
Jan. 16, 2022, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A N/A 27.0
 
Jan. 16, 2022, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A N/A 29.0
 
Jan. 16, 2022, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A N/A 30.0
 
Jan. 16, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A N/A 31.0
 
Jan. 16, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A N/A 32.0
 
Jan. 16, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A N/A 32.0
 
Jan. 16, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A N/A 33.0
 
Jan. 16, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A N/A 34.0
 
Jan. 16, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A N/A 33.0
 
Jan. 15, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A N/A 34.0
 
Jan. 15, 2022, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A N/A 34.0
 
Jan. 15, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A N/A 34.0
 
Jan. 15, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A N/A 35.0
 
Jan. 15, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A N/A 36.0
 
Jan. 15, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A N/A 36.0
 
Jan. 15, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A N/A 36.0
 
Jan. 15, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A N/A 36.0
 
Jan. 15, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A N/A 35.0
 
Jan. 15, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A N/A 36.0
 
Jan. 15, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A N/A 36.0
 
Jan. 15, 2022, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
Jan. 15, 2022, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 3.0 μg/m3 (13) 36.0
 
Jan. 15, 2022, 10 a.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
 
Jan. 15, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 4.0 μg/m3 (17) 36.0
 
Jan. 15, 2022, 8 a.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
 
Jan. 15, 2022, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 36.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
Jan. 15, 2022, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 35.0 ppb (33) N/A N/A 7.0 μg/m3 (30) 33.0
 
Jan. 15, 2022, 5 a.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
 
Jan. 15, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
Jan. 15, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 7.0 μg/m3 (30) 33.0
 
Jan. 15, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
Jan. 15, 2022, 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
 
Jan. 15, 2022, midnight 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
 
Jan. 14, 2022, 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
 
Jan. 14, 2022, 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 6.0 μg/m3 (25) 28.0
 
Jan. 14, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
Jan. 14, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2022, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 22.0 ppb (21) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2022, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2022, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2022, 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 13.0 μg/m3 (53) 53.0
 
Jan. 14, 2022, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 14, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 14, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 15.0 ppb (14) N/A N/A 23.0 μg/m3 (74) 74.0
 
Jan. 14, 2022, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 23.0 μg/m3 (74) 74.0
 
Jan. 14, 2022, 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 25.0 μg/m3 (79) 79.0
 
Jan. 14, 2022, 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 22.0 μg/m3 (72) 72.0
 
Jan. 14, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 22.0 μg/m3 (72) 72.0
 
Jan. 14, 2022, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 14, 2022, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 17.0 μg/m3 (62) 62.0
 
Jan. 14, 2022, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 14, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2022, 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 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 14, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 14, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2022, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2022, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 13, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A N/A 29.0
 
Jan. 13, 2022, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A N/A 28.0
 
Jan. 13, 2022, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A N/A 29.0
 
Jan. 13, 2022, 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 N/A 28.0
 
Jan. 13, 2022, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A N/A 28.0
 
Jan. 13, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 13, 2022, 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 N/A 13.0
 
Jan. 13, 2022, noon 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
 
Jan. 13, 2022, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A N/A 15.0
 
Jan. 13, 2022, 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 N/A 18.0
 
Jan. 13, 2022, 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 N/A 20.0
 
Jan. 13, 2022, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A N/A 20.0
 
Jan. 13, 2022, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 13, 2022, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A N/A 20.0
 
Jan. 13, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A N/A 21.0
 
Jan. 13, 2022, 4 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
 
Jan. 13, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A N/A 20.0
 
Jan. 13, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A N/A 23.0
 
Jan. 13, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 13, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A N/A 28.0
 
Jan. 12, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A N/A 29.0
 
Jan. 12, 2022, 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 N/A 31.0
 
Jan. 12, 2022, 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 N/A 33.0
 
Jan. 12, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A N/A 35.0
 
Jan. 12, 2022, 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 N/A 35.0
 
Jan. 12, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A N/A 35.0
 
Jan. 12, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A N/A 35.0
 
Jan. 12, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A N/A 34.0
 
Jan. 12, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A N/A 33.0
 
Jan. 12, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A N/A 32.0
 
Jan. 12, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A N/A 31.0
 
Jan. 12, 2022, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A N/A 30.0
 
Jan. 12, 2022, 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 N/A 30.0
 
Jan. 12, 2022, 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 N/A 30.0
 
Jan. 12, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
Jan. 12, 2022, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A N/A 27.0
 
Jan. 12, 2022, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 12, 2022, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A N/A 26.0
 
Jan. 12, 2022, 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 N/A 26.0
 
Jan. 12, 2022, 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 N/A 27.0
 
Jan. 12, 2022, 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 N/A 27.0
 
Jan. 12, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A N/A 26.0
 
Jan. 12, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A N/A 24.0
 
Jan. 12, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 11, 2022, 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 N/A 28.0
 
Jan. 11, 2022, 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 N/A 33.0
 
Jan. 11, 2022, 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 N/A 35.0
 
Jan. 11, 2022, 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 N/A 36.0
 
Jan. 11, 2022, 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 N/A 35.0
 
Jan. 11, 2022, 6 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
 
Jan. 11, 2022, 5 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
 
Jan. 11, 2022, 4 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
 
Jan. 11, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 7.0 μg/m3 (30) 35.0
 
Jan. 11, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2022, 1 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
 
Jan. 11, 2022, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 11, 2022, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
Jan. 11, 2022, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 7.0 μg/m3 (30) 35.0
 
Jan. 11, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 11, 2022, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 7.0 μg/m3 (30) 33.0
 
Jan. 11, 2022, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
Jan. 11, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 7.0 μg/m3 (30) 34.0
 
Jan. 11, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
Jan. 11, 2022, 1 a.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