ID: 1721

AQSQID: 230050029

Site Name: Portland - Deering Oaks

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

Updated: Jan. 24, 2022, 9:35 a.m.

Location: Portland (Parkside), ME

Reporting: True, Located: True

Current AQI: 28.0

Portland (Parkside) ME, US: 43.660248, -70.268967

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 24, 2022, 9 a.m. 6.1 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
Jan. 24, 2022, 8 a.m. 6.6 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
Jan. 24, 2022, 7 a.m. 4.7 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
Jan. 24, 2022, 6 a.m. 5.4 ppb (6) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2022, 5 a.m. 18.2 ppb (18) 0.5 ppb (1) N/A 18.0 ppb (17) N/A N/A 18.0 ppb (17) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2022, 4 a.m. 19.4 ppb (19) 0.1 ppb (1) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (13) N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 24, 2022, 3 a.m. 21.8 ppb (21) 0.5 ppb (1) N/A 21.0 ppb (20) N/A N/A 13.0 ppb (13) N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 24, 2022, 2 a.m. 33.7 ppb (32) 3.1 ppb (3) N/A 31.0 ppb (30) N/A N/A 7.0 ppb (7) N/A N/A 16.0 μg/m3 (60) 60.0
 
Jan. 24, 2022, 1 a.m. 42.6 ppb (41) 5.4 ppb (6) N/A 37.0 ppb (35) N/A N/A 2.0 ppb (2) N/A N/A 16.0 μg/m3 (60) 60.0
 
Jan. 24, 2022, midnight 25.9 ppb (25) 1.0 ppb (1) N/A 25.0 ppb (24) N/A N/A 13.0 ppb (13) N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 23, 2022, 11 p.m. 14.6 ppb (14) 0.0 ppb (0) N/A 15.0 ppb (15) N/A N/A 24.0 ppb (23) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 23, 2022, 10 p.m. 11.4 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A N/A 28.0 ppb (26) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 23, 2022, 9 p.m. 6.6 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 23, 2022, 8 p.m. 5.6 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) N/A N/A 7.0 μg/m3 (30) 33.0
 
Jan. 23, 2022, 7 p.m. 5.6 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
Jan. 23, 2022, 6 p.m. 5.1 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
Jan. 23, 2022, 5 p.m. 5.0 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
Jan. 23, 2022, 4 p.m. 6.1 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) N/A N/A 7.0 μg/m3 (30) 32.0
 
Jan. 23, 2022, 3 p.m. 9.0 ppb (9) 1.8 ppb (2) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 23, 2022, 2 p.m. 10.7 ppb (11) 1.6 ppb (2) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2022, 1 p.m. 12.5 ppb (12) 1.2 ppb (2) N/A 11.0 ppb (11) N/A N/A 23.0 ppb (22) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2022, noon 12.9 ppb (13) 0.5 ppb (1) N/A 12.0 ppb (12) N/A N/A 20.0 ppb (19) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 23, 2022, 11 a.m. 12.6 ppb (12) 0.2 ppb (1) N/A 12.0 ppb (12) N/A N/A 20.0 ppb (19) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2022, 10 a.m. 14.7 ppb (14) 0.4 ppb (1) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 23, 2022, 9 a.m. 11.4 ppb (11) 0.1 ppb (1) N/A 11.0 ppb (11) N/A N/A 23.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2022, 8 a.m. 20.1 ppb (19) 0.4 ppb (1) N/A 20.0 ppb (19) N/A N/A 15.0 ppb (14) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2022, 7 a.m. 29.6 ppb (28) 1.5 ppb (2) N/A 28.0 ppb (27) N/A N/A 6.0 ppb (6) N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 23, 2022, 6 a.m. 33.1 ppb (32) 3.9 ppb (4) N/A 29.0 ppb (28) N/A N/A 5.0 ppb (5) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2022, 5 a.m. 42.0 ppb (40) 8.6 ppb (9) N/A 33.0 ppb (32) N/A N/A 3.0 ppb (3) N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 23, 2022, 4 a.m. 34.5 ppb (33) 1.8 ppb (2) N/A 33.0 ppb (32) N/A N/A 6.0 ppb (6) N/A N/A 16.0 μg/m3 (60) 60.0
 
Jan. 23, 2022, 3 a.m. 30.2 ppb (29) 2.1 ppb (2) N/A 28.0 ppb (27) N/A N/A 11.0 ppb (11) N/A N/A 20.0 μg/m3 (68) 68.0
 
Jan. 23, 2022, 2 a.m. 32.0 ppb (31) 1.7 ppb (2) N/A 30.0 ppb (29) N/A N/A 10.0 ppb (10) N/A N/A 24.0 μg/m3 (77) 77.0
 
Jan. 23, 2022, 1 a.m. 31.8 ppb (30) 2.1 ppb (2) N/A 30.0 ppb (29) N/A N/A 10.0 ppb (10) N/A N/A 21.0 μg/m3 (70) 70.0
 
Jan. 23, 2022, midnight 32.7 ppb (31) 1.7 ppb (2) N/A 31.0 ppb (30) N/A N/A 10.0 ppb (10) N/A N/A 18.0 μg/m3 (64) 64.0
 
Jan. 22, 2022, 11 p.m. 20.3 ppb (20) 0.3 ppb (1) N/A 20.0 ppb (19) N/A N/A 20.0 ppb (19) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2022, 10 p.m. 13.2 ppb (13) 0.2 ppb (1) N/A 13.0 ppb (13) N/A N/A 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
Jan. 22, 2022, 9 p.m. 7.9 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
Jan. 22, 2022, 8 p.m. 6.3 ppb (6) 1.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
Jan. 22, 2022, 7 p.m. 6.4 ppb (7) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) N/A N/A 1.0 μg/m3 (5) 36.0
 
Jan. 22, 2022, 6 p.m. 5.1 ppb (5) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
Jan. 22, 2022, 5 p.m. 6.0 ppb (6) 2.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 2.0 μg/m3 (9) 34.0
 
Jan. 22, 2022, 4 p.m. 5.4 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) N/A N/A -3.0 μg/m3 (0) 35.0
 
Jan. 22, 2022, 3 p.m. 5.3 ppb (5) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) N/A N/A -4.0 μg/m3 (0) 33.0
 
Jan. 22, 2022, 2 p.m. 7.1 ppb (7) 2.2 ppb (3) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
Jan. 22, 2022, 1 p.m. 7.5 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 22, 2022, noon 7.9 ppb (8) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
Jan. 22, 2022, 11 a.m. 7.4 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Jan. 22, 2022, 10 a.m. 7.0 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
Jan. 22, 2022, 9 a.m. 6.0 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 22, 2022, 8 a.m. 5.8 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
Jan. 22, 2022, 7 a.m. 5.1 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Jan. 22, 2022, 6 a.m. 5.5 ppb (6) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
Jan. 22, 2022, 5 a.m. 4.9 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A N/A 7.0 μg/m3 (30) 31.0
 
Jan. 22, 2022, 4 a.m. 6.9 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
Jan. 22, 2022, 3 a.m. 9.9 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2022, 2 a.m. 18.7 ppb (18) 1.4 ppb (2) N/A 17.0 ppb (17) N/A N/A 20.0 ppb (19) N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 22, 2022, 1 a.m. 11.6 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (11) N/A N/A 27.0 ppb (25) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 22, 2022, midnight 12.4 ppb (12) 1.6 ppb (2) N/A 11.0 ppb (11) N/A N/A 28.0 ppb (26) N/A N/A 6.0 μg/m3 (25) 26.0
 
Jan. 21, 2022, 11 p.m. 10.5 ppb (10) 2.1 ppb (2) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
Jan. 21, 2022, 10 p.m. 9.8 ppb (10) 1.9 ppb (2) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 21, 2022, 9 p.m. 9.1 ppb (9) 1.9 ppb (2) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
Jan. 21, 2022, 8 p.m. 6.9 ppb (7) 1.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
Jan. 21, 2022, 7 p.m. 6.7 ppb (7) 2.2 ppb (3) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) N/A N/A 2.0 μg/m3 (9) 34.0
 
Jan. 21, 2022, 6 p.m. 6.2 ppb (6) 2.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
Jan. 21, 2022, 5 p.m. 7.2 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A N/A 3.0 μg/m3 (13) 32.0
 
Jan. 21, 2022, 4 p.m. 8.4 ppb (8) 3.6 ppb (4) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Jan. 21, 2022, 3 p.m. 9.6 ppb (10) 3.8 ppb (4) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) N/A N/A 1.0 μg/m3 (5) 29.0
 
Jan. 21, 2022, 2 p.m. 8.9 ppb (9) 3.6 ppb (4) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
Jan. 21, 2022, 1 p.m. 13.8 ppb (14) 5.9 ppb (6) N/A 8.0 ppb (8) N/A N/A 25.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
Jan. 21, 2022, noon 14.5 ppb (14) 4.0 ppb (4) N/A 10.0 ppb (10) N/A N/A 22.0 ppb (21) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 21, 2022, 11 a.m. 11.4 ppb (11) 2.2 ppb (3) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2022, 10 a.m. 7.2 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 21, 2022, 9 a.m. 5.1 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 21, 2022, 8 a.m. 5.4 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2022, 7 a.m. 5.1 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) N/A N/A 6.0 μg/m3 (25) 26.0
 
Jan. 21, 2022, 6 a.m. 4.6 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2022, 5 a.m. 3.9 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2022, 4 a.m. 4.4 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
Jan. 21, 2022, 3 a.m. 4.5 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
Jan. 21, 2022, 2 a.m. 4.7 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
Jan. 21, 2022, 1 a.m. 4.6 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
Jan. 21, 2022, midnight 4.7 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
Jan. 20, 2022, 11 p.m. 5.3 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
Jan. 20, 2022, 10 p.m. 6.3 ppb (6) 1.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
Jan. 20, 2022, 9 p.m. 6.8 ppb (7) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) N/A N/A 2.0 μg/m3 (9) 30.0
 
Jan. 20, 2022, 8 p.m. 6.6 ppb (7) 2.2 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Jan. 20, 2022, 7 p.m. 5.1 ppb (5) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
Jan. 20, 2022, 6 p.m. 5.4 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
Jan. 20, 2022, 5 p.m. 6.3 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A N/A 0.0 μg/m3 (0) 27.0
 
Jan. 20, 2022, 4 p.m. 7.7 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
Jan. 20, 2022, 3 p.m. 9.0 ppb (9) 2.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Jan. 20, 2022, 2 p.m. 9.2 ppb (9) 1.7 ppb (2) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 20, 2022, 1 p.m. 12.1 ppb (12) 2.6 ppb (3) N/A 9.0 ppb (9) N/A N/A 22.0 ppb (21) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2022, noon 17.7 ppb (17) 2.0 ppb (2) N/A 16.0 ppb (16) N/A N/A 15.0 ppb (14) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 20, 2022, 11 a.m. 13.0 ppb (13) 0.2 ppb (1) N/A 13.0 ppb (13) N/A N/A 19.0 ppb (18) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 20, 2022, 10 a.m. 11.8 ppb (12) 0.1 ppb (1) N/A 12.0 ppb (12) N/A N/A 21.0 ppb (20) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2022, 9 a.m. 11.0 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A N/A 22.0 ppb (21) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2022, 8 a.m. 9.8 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A N/A 22.0 ppb (21) N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 20, 2022, 7 a.m. 13.7 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (14) N/A N/A 20.0 ppb (19) N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 20, 2022, 6 a.m. 16.7 ppb (16) 0.4 ppb (1) N/A 16.0 ppb (16) N/A N/A 19.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2022, 5 a.m. 15.5 ppb (15) 0.3 ppb (1) N/A 15.0 ppb (15) N/A N/A 21.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2022, 4 a.m. 22.4 ppb (22) 2.7 ppb (3) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (13) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2022, 3 a.m. 26.1 ppb (25) 2.1 ppb (2) N/A 24.0 ppb (23) N/A N/A 6.0 ppb (6) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 20, 2022, 2 a.m. 22.7 ppb (22) 2.2 ppb (3) N/A 21.0 ppb (20) N/A N/A 10.0 ppb (10) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2022, 1 a.m. 29.0 ppb (28) 2.8 ppb (3) N/A 26.0 ppb (25) N/A N/A 6.0 ppb (6) N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 20, 2022, midnight 21.7 ppb (21) 2.5 ppb (3) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (13) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2022, 11 p.m. 19.7 ppb (19) 2.3 ppb (3) N/A 17.0 ppb (17) N/A N/A 16.0 ppb (15) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2022, 10 p.m. 27.2 ppb (26) 6.2 ppb (6) N/A 21.0 ppb (20) N/A N/A 13.0 ppb (13) N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 19, 2022, 9 p.m. 20.1 ppb (19) 2.8 ppb (3) N/A 17.0 ppb (17) N/A N/A 20.0 ppb (19) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2022, 8 p.m. 9.5 ppb (9) 1.1 ppb (2) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 19, 2022, 7 p.m. 19.4 ppb (19) 3.4 ppb (4) N/A 16.0 ppb (16) N/A N/A 22.0 ppb (21) N/A N/A 3.0 μg/m3 (13) 21.0
 
Jan. 19, 2022, 6 p.m. 13.0 ppb (13) 1.8 ppb (2) N/A 11.0 ppb (11) N/A N/A 27.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
Jan. 19, 2022, 5 p.m. 19.5 ppb (19) 4.4 ppb (5) N/A 15.0 ppb (15) N/A N/A 23.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Jan. 19, 2022, 4 p.m. 29.8 ppb (29) 8.5 ppb (9) N/A 21.0 ppb (20) N/A N/A 18.0 ppb (17) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2022, 3 p.m. 27.3 ppb (26) 6.2 ppb (6) N/A 21.0 ppb (20) N/A N/A 19.0 ppb (18) N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 19, 2022, 2 p.m. 22.0 ppb (21) 5.0 ppb (5) N/A 17.0 ppb (17) N/A N/A 22.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
Jan. 19, 2022, 1 p.m. 26.5 ppb (25) 3.6 ppb (4) N/A 23.0 ppb (22) N/A N/A 18.0 ppb (17) N/A N/A 3.0 μg/m3 (13) 25.0
 
Jan. 19, 2022, noon 7.5 ppb (8) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) N/A N/A 2.0 μg/m3 (9) 29.0
 
Jan. 19, 2022, 11 a.m. 7.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) N/A N/A 1.0 μg/m3 (5) 29.0
 
Jan. 19, 2022, 10 a.m. 5.6 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) N/A N/A 2.0 μg/m3 (9) 30.0
 
Jan. 19, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Jan. 19, 2022, 8 a.m. 4.4 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Jan. 19, 2022, 7 a.m. 5.8 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
Jan. 19, 2022, 6 a.m. 8.2 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A N/A 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
Jan. 19, 2022, 5 a.m. 10.2 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2022, 4 a.m. 6.8 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 19, 2022, 3 a.m. 6.3 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Jan. 19, 2022, 2 a.m. 5.2 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
Jan. 19, 2022, 1 a.m. 5.6 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
Jan. 19, 2022, midnight 6.5 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
Jan. 18, 2022, 11 p.m. 4.7 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) N/A N/A 8.0 μg/m3 (34) 35.0
 
Jan. 18, 2022, 10 p.m. 4.5 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) N/A N/A 3.0 μg/m3 (13) 36.0
 
Jan. 18, 2022, 9 p.m. 5.3 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) N/A N/A 4.0 μg/m3 (17) 36.0
 
Jan. 18, 2022, 8 p.m. 4.9 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) N/A N/A 1.0 μg/m3 (5) 37.0
 
Jan. 18, 2022, 7 p.m. 4.2 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
Jan. 18, 2022, 6 p.m. 4.4 ppb (5) 1.5 ppb (2) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
Jan. 18, 2022, 5 p.m. 4.6 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Jan. 18, 2022, 4 p.m. 4.3 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
Jan. 18, 2022, 3 p.m. 4.4 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) N/A N/A N/A 32.0
 
Jan. 18, 2022, 2 p.m. 4.3 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
Jan. 18, 2022, 1 p.m. 5.3 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
Jan. 18, 2022, noon 5.6 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Jan. 18, 2022, 11 a.m. 3.9 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
Jan. 18, 2022, 10 a.m. 2.6 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
Jan. 18, 2022, 9 a.m. 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
Jan. 18, 2022, 8 a.m. 3.1 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
Jan. 18, 2022, 7 a.m. 3.1 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A N/A 1.0 μg/m3 (5) 27.0
 
Jan. 18, 2022, 6 a.m. 6.9 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 17.0 ppb (16) N/A N/A 3.0 μg/m3 (13) 16.0
 
Jan. 18, 2022, 5 a.m. 6.7 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A 17.0 ppb (16) N/A N/A 3.0 μg/m3 (13) 16.0
 
Jan. 18, 2022, 4 a.m. 7.9 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 17.0 ppb (16) N/A N/A 2.0 μg/m3 (9) 16.0
 
Jan. 18, 2022, 3 a.m. 7.4 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 19.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Jan. 18, 2022, 2 a.m. 6.4 ppb (7) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
Jan. 18, 2022, 1 a.m. 5.5 ppb (6) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Jan. 18, 2022, midnight 5.9 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 17, 2022, 11 p.m. 6.6 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Jan. 17, 2022, 10 p.m. 6.7 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
Jan. 17, 2022, 9 p.m. 6.8 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2022, 8 p.m. 6.3 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2022, 7 p.m. 4.4 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2022, 6 p.m. 4.3 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2022, 5 p.m. 3.7 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) N/A N/A 7.0 μg/m3 (30) 38.0
 
Jan. 17, 2022, 4 p.m. 3.3 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2022, 3 p.m. 4.5 ppb (5) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Jan. 17, 2022, 2 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
Jan. 17, 2022, 1 p.m. 3.7 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
Jan. 17, 2022, noon 5.2 ppb (5) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Jan. 17, 2022, 11 a.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Jan. 17, 2022, 10 a.m. 4.3 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0