ID: 2169

AQSQID: 490530007

Site Name: Hurricane

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

Updated: Jan. 27, 2021, 12:31 p.m.

Location: Hurricane (N 870 W), UT

Reporting: True, Located: True

Current AQI: 32.0

Hurricane (N 870 W) UT, US: 37.179, -113.3052

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 27, 2021, 11 a.m. N/A 0.2 ppb (1) N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.1 μg/m3 (9) 32.0
 
Jan. 27, 2021, 10 a.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A N/A 1.4 μg/m3 (6) 33.0
 
Jan. 27, 2021, 9 a.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A 1.4 μg/m3 (6) 33.0
 
Jan. 27, 2021, 8 a.m. 4.5 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (22) N/A N/A 5.5 μg/m3 (23) 23.0
 
Jan. 27, 2021, 7 a.m. 7.1 ppb (7) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 19.0 ppb (18) N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 27, 2021, 6 a.m. 8.1 ppb (8) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 19.0 ppb (18) N/A N/A 11.8 μg/m3 (50) 50.0
 
Jan. 27, 2021, 5 a.m. 6.0 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) N/A N/A 8.9 μg/m3 (38) 38.0
 
Jan. 27, 2021, 4 a.m. 6.7 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) N/A N/A 5.4 μg/m3 (23) 25.0
 
Jan. 27, 2021, 3 a.m. 5.1 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) N/A N/A 5.3 μg/m3 (23) 28.0
 
Jan. 27, 2021, 2 a.m. 6.4 ppb (7) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) N/A N/A 5.1 μg/m3 (22) 30.0
 
Jan. 27, 2021, 1 a.m. 8.7 ppb (9) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) N/A N/A 3.8 μg/m3 (16) 29.0
 
Jan. 27, 2021, midnight 6.2 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) N/A N/A 3.3 μg/m3 (14) 33.0
 
Jan. 26, 2021, 11 p.m. 5.4 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) N/A N/A 3.2 μg/m3 (14) 36.0
 
Jan. 26, 2021, 10 p.m. 5.0 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) N/A N/A 2.8 μg/m3 (12) 38.0
 
Jan. 26, 2021, 9 p.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Jan. 26, 2021, 8 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 2.9 μg/m3 (13) 38.0
 
Jan. 26, 2021, 7 p.m. 4.6 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 2.8 μg/m3 (12) 36.0
 
Jan. 26, 2021, 6 p.m. 5.1 ppb (5) 2.3 ppb (3) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A N/A 2.8 μg/m3 (12) 35.0
 
Jan. 26, 2021, 5 p.m. 7.7 ppb (8) 3.4 ppb (4) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) N/A N/A 3.6 μg/m3 (16) 33.0
 
Jan. 26, 2021, 4 p.m. 13.2 ppb (13) 5.3 ppb (5) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) N/A N/A 5.6 μg/m3 (24) 29.0
 
Jan. 26, 2021, 3 p.m. 31.8 ppb (30) 11.8 ppb (12) N/A 20.0 ppb (19) N/A N/A 17.0 ppb (16) N/A N/A 7.2 μg/m3 (31) 31.0
 
Jan. 26, 2021, 2 p.m. 21.0 ppb (20) 2.1 ppb (2) N/A 19.0 ppb (18) N/A N/A 19.0 ppb (18) N/A N/A 3.2 μg/m3 (14) 20.0
 
Jan. 26, 2021, 1 p.m. 9.8 ppb (10) 0.9 ppb (1) N/A 9.0 ppb (9) N/A N/A 31.0 ppb (29) N/A N/A 2.3 μg/m3 (10) 29.0
 
Jan. 26, 2021, noon 2.9 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) N/A N/A 1.7 μg/m3 (8) 37.0
 
Jan. 26, 2021, 11 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 1.9 μg/m3 (8) 38.0
 
Jan. 26, 2021, 10 a.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 1.5 μg/m3 (7) 38.0
 
Jan. 26, 2021, 9 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A 1.9 μg/m3 (8) 36.0
 
Jan. 26, 2021, 8 a.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 1.6 μg/m3 (7) 37.0
 
Jan. 26, 2021, 7 a.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 1.6 μg/m3 (7) 37.0
 
Jan. 26, 2021, 6 a.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 2.2 μg/m3 (10) 37.0
 
Jan. 26, 2021, 5 a.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A 1.6 μg/m3 (7) 36.0
 
Jan. 26, 2021, 4 a.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A 1.2 μg/m3 (5) 37.0
 
Jan. 26, 2021, 3 a.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 0.7 μg/m3 (3) 38.0
 
Jan. 26, 2021, 2 a.m. 4.5 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) N/A N/A 1.9 μg/m3 (8) 36.0
 
Jan. 26, 2021, 1 a.m. 6.8 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) N/A N/A 2.3 μg/m3 (10) 31.0
 
Jan. 26, 2021, midnight 6.3 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) N/A N/A 1.8 μg/m3 (8) 32.0
 
Jan. 25, 2021, 11 p.m. 3.2 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A N/A 1.0 μg/m3 (5) 35.0
 
Jan. 25, 2021, 10 p.m. 2.9 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A 1.1 μg/m3 (5) 35.0
 
Jan. 25, 2021, 9 p.m. 2.5 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A 0.8 μg/m3 (4) 35.0
 
Jan. 25, 2021, 8 p.m. 2.4 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A 1.5 μg/m3 (7) 35.0
 
Jan. 25, 2021, 7 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A N/A 1.9 μg/m3 (8) 35.0
 
Jan. 25, 2021, 6 p.m. 4.1 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A N/A 2.0 μg/m3 (9) 35.0
 
Jan. 25, 2021, 5 p.m. 4.8 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 2.5 μg/m3 (11) 34.0
 
Jan. 25, 2021, 4 p.m. 3.4 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A 2.4 μg/m3 (10) 33.0
 
Jan. 25, 2021, 3 p.m. 5.4 ppb (6) 1.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 1.8 μg/m3 (8) 34.0
 
Jan. 25, 2021, 2 p.m. 5.6 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A N/A 1.8 μg/m3 (8) 31.0
 
Jan. 25, 2021, 1 p.m. 3.8 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A 2.1 μg/m3 (9) 29.0
 
Jan. 25, 2021, noon 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A N/A 2.8 μg/m3 (12) 30.0
 
Jan. 25, 2021, 11 a.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A 3.5 μg/m3 (15) 33.0
 
Jan. 25, 2021, 10 a.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A 3.5 μg/m3 (15) 29.0
 
Jan. 25, 2021, 9 a.m. 4.5 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) N/A N/A 4.1 μg/m3 (18) 24.0
 
Jan. 25, 2021, 8 a.m. 5.7 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (20) N/A N/A 5.2 μg/m3 (22) 22.0
 
Jan. 25, 2021, 7 a.m. 3.4 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) N/A N/A 4.5 μg/m3 (19) 24.0
 
Jan. 25, 2021, 6 a.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) N/A N/A 3.5 μg/m3 (15) 26.0
 
Jan. 25, 2021, 5 a.m. 4.7 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) N/A N/A 5.3 μg/m3 (23) 25.0
 
Jan. 25, 2021, 4 a.m. 7.2 ppb (7) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 24.0 ppb (23) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 25, 2021, 3 a.m. 5.6 ppb (6) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) N/A N/A 4.7 μg/m3 (20) 27.0
 
Jan. 25, 2021, 2 a.m. 4.7 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 25, 2021, 1 a.m. 4.8 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) N/A N/A 5.1 μg/m3 (22) 30.0
 
Jan. 25, 2021, midnight 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A 3.3 μg/m3 (14) 35.0
 
Jan. 24, 2021, 11 p.m. 2.0 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A 3.4 μg/m3 (15) 36.0
 
Jan. 24, 2021, 10 p.m. 1.8 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 3.2 μg/m3 (14) 39.0
 
Jan. 24, 2021, 9 p.m. 2.2 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 3.2 μg/m3 (14) 38.0
 
Jan. 24, 2021, 8 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A 4.3 μg/m3 (18) 35.0
 
Jan. 24, 2021, 7 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A N/A 3.6 μg/m3 (16) 32.0
 
Jan. 24, 2021, 6 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
Jan. 24, 2021, 5 p.m. 5.3 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (22) N/A N/A 5.7 μg/m3 (24) 24.0
 
Jan. 24, 2021, 4 p.m. 13.9 ppb (14) 6.0 ppb (6) N/A 8.0 ppb (8) N/A N/A 15.0 ppb (14) N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 24, 2021, 3 p.m. 3.9 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (18) N/A N/A 2.9 μg/m3 (13) 18.0
 
Jan. 24, 2021, 2 p.m. 10.9 ppb (11) 1.9 ppb (2) N/A 9.0 ppb (9) N/A N/A 12.0 ppb (12) N/A N/A 3.7 μg/m3 (16) 16.0
 
Jan. 24, 2021, 1 p.m. 5.5 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (17) N/A N/A 2.7 μg/m3 (12) 17.0
 
Jan. 24, 2021, noon 6.1 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (18) N/A N/A 2.1 μg/m3 (9) 18.0
 
Jan. 24, 2021, 11 a.m. 6.6 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (19) N/A N/A 3.5 μg/m3 (15) 19.0
 
Jan. 24, 2021, 10 a.m. 5.7 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (21) N/A N/A 3.2 μg/m3 (14) 21.0
 
Jan. 24, 2021, 9 a.m. 2.7 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
Jan. 24, 2021, 8 a.m. 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A N/A 1.9 μg/m3 (8) 25.0
 
Jan. 24, 2021, 7 a.m. 3.1 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) N/A N/A 2.7 μg/m3 (12) 25.0
 
Jan. 24, 2021, 6 a.m. 3.6 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
Jan. 24, 2021, 5 a.m. 5.1 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) N/A N/A 3.3 μg/m3 (14) 26.0
 
Jan. 24, 2021, 4 a.m. 3.1 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) N/A N/A 2.4 μg/m3 (10) 26.0
 
Jan. 24, 2021, 3 a.m. 2.7 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A N/A 1.6 μg/m3 (7) 28.0
 
Jan. 24, 2021, 2 a.m. 2.4 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A N/A 1.5 μg/m3 (7) 31.0
 
Jan. 24, 2021, 1 a.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 2.2 μg/m3 (10) 34.0
 
Jan. 24, 2021, midnight 1.5 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
Jan. 23, 2021, 11 p.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 1.1 μg/m3 (5) 39.0
 
Jan. 23, 2021, 10 p.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 1.1 μg/m3 (5) 39.0
 
Jan. 23, 2021, 9 p.m. 1.6 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 1.2 μg/m3 (5) 38.0
 
Jan. 23, 2021, 8 p.m. 2.3 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 1.4 μg/m3 (6) 38.0
 
Jan. 23, 2021, 7 p.m. 1.6 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 1.5 μg/m3 (7) 38.0
 
Jan. 23, 2021, 6 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A 1.6 μg/m3 (7) 38.0
 
Jan. 23, 2021, 5 p.m. 2.5 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A 2.6 μg/m3 (11) 35.0
 
Jan. 23, 2021, 4 p.m. 4.3 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) N/A N/A 4.3 μg/m3 (18) 31.0
 
Jan. 23, 2021, 3 p.m. 4.6 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
Jan. 23, 2021, 2 p.m. 3.8 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A N/A 3.2 μg/m3 (14) 30.0
 
Jan. 23, 2021, 1 p.m. 4.0 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A 4.6 μg/m3 (20) 28.0
 
Jan. 23, 2021, noon 3.0 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A N/A 3.9 μg/m3 (17) 28.0
 
Jan. 23, 2021, 11 a.m. 4.2 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A N/A 2.8 μg/m3 (12) 27.0
 
Jan. 23, 2021, 10 a.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A 0.8 μg/m3 (4) 34.0
 
Jan. 23, 2021, 9 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A 0.3 μg/m3 (2) 37.0
 
Jan. 23, 2021, 8 a.m. 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A 0.9 μg/m3 (4) 37.0
 
Jan. 23, 2021, 7 a.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 1.1 μg/m3 (5) 39.0
 
Jan. 23, 2021, 6 a.m. 1.6 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 1.9 μg/m3 (8) 38.0
 
Jan. 23, 2021, 5 a.m. 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A 2.1 μg/m3 (9) 33.0
 
Jan. 23, 2021, 4 a.m. 2.9 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 2.8 μg/m3 (12) 34.0
 
Jan. 23, 2021, 3 a.m. 3.9 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 5.6 μg/m3 (24) 34.0
 
Jan. 23, 2021, 2 a.m. 3.8 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) N/A N/A 4.3 μg/m3 (18) 35.0
 
Jan. 23, 2021, 1 a.m. 10.4 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (9) N/A N/A 29.0 ppb (27) N/A N/A 5.1 μg/m3 (22) 27.0
 
Jan. 23, 2021, midnight 9.9 ppb (10) 0.9 ppb (1) N/A 9.0 ppb (9) N/A N/A 30.0 ppb (28) N/A N/A 4.3 μg/m3 (18) 28.0
 
Jan. 22, 2021, 11 p.m. 3.4 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A N/A 3.1 μg/m3 (13) 35.0
 
Jan. 22, 2021, 10 p.m. 2.2 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A 2.4 μg/m3 (10) 33.0
 
Jan. 22, 2021, 9 p.m. 4.1 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A 3.9 μg/m3 (17) 28.0
 
Jan. 22, 2021, 8 p.m. 6.3 ppb (6) 1.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) N/A N/A 4.8 μg/m3 (20) 25.0
 
Jan. 22, 2021, 7 p.m. 12.8 ppb (13) 3.1 ppb (3) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 22, 2021, 6 p.m. 9.8 ppb (10) 2.7 ppb (3) N/A 7.0 ppb (7) N/A N/A 22.0 ppb (21) N/A N/A 6.5 μg/m3 (28) 28.0
 
Jan. 22, 2021, 5 p.m. 24.0 ppb (23) 10.2 ppb (10) N/A 14.0 ppb (14) N/A N/A 14.0 ppb (13) N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 22, 2021, 4 p.m. 21.4 ppb (21) 9.6 ppb (10) N/A 12.0 ppb (12) N/A N/A 17.0 ppb (16) N/A N/A 10.6 μg/m3 (45) 45.0
 
Jan. 22, 2021, 3 p.m. 9.9 ppb (10) 2.3 ppb (3) N/A 8.0 ppb (8) N/A N/A 21.0 ppb (20) N/A N/A 4.6 μg/m3 (20) 20.0
 
Jan. 22, 2021, 2 p.m. 9.4 ppb (9) 2.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 22.0 ppb (21) N/A N/A 4.2 μg/m3 (18) 21.0
 
Jan. 22, 2021, 1 p.m. 3.6 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
Jan. 22, 2021, noon 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A N/A 3.7 μg/m3 (16) 25.0
 
Jan. 22, 2021, 11 a.m. 1.6 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) N/A N/A 3.9 μg/m3 (17) 25.0
 
Jan. 22, 2021, 10 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Jan. 22, 2021, 9 a.m. 1.5 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A N/A 4.5 μg/m3 (19) 25.0
 
Jan. 22, 2021, 8 a.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
Jan. 22, 2021, 7 a.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) N/A N/A 3.9 μg/m3 (17) 27.0
 
Jan. 22, 2021, 6 a.m. 2.4 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A N/A 4.9 μg/m3 (21) 26.0
 
Jan. 22, 2021, 5 a.m. 4.3 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2021, 4 a.m. 4.4 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) N/A N/A 5.4 μg/m3 (23) 25.0
 
Jan. 22, 2021, 3 a.m. 7.4 ppb (7) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) N/A N/A 5.6 μg/m3 (24) 24.0
 
Jan. 22, 2021, 2 a.m. 22.1 ppb (21) 3.2 ppb (4) N/A 19.0 ppb (18) N/A N/A 17.0 ppb (16) N/A N/A 13.3 μg/m3 (54) 54.0
 
Jan. 22, 2021, 1 a.m. 15.2 ppb (15) 2.7 ppb (3) N/A 13.0 ppb (13) N/A N/A 23.0 ppb (22) N/A N/A 7.5 μg/m3 (32) 32.0
 
Jan. 22, 2021, midnight 8.1 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (8) N/A N/A 30.0 ppb (28) N/A N/A 7.2 μg/m3 (31) 31.0
 
Jan. 21, 2021, 11 p.m. 3.9 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 5.8 μg/m3 (25) 34.0
 
Jan. 21, 2021, 10 p.m. 4.3 ppb (5) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A N/A 7.9 μg/m3 (33) 35.0
 
Jan. 21, 2021, 9 p.m. 2.6 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A 7.6 μg/m3 (32) 34.0
 
Jan. 21, 2021, 8 p.m. 1.7 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A N/A 4.5 μg/m3 (19) 32.0
 
Jan. 21, 2021, 7 p.m. 7.2 ppb (7) 3.4 ppb (4) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A N/A 4.5 μg/m3 (19) 27.0
 
Jan. 21, 2021, 6 p.m. 4.8 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
Jan. 21, 2021, 5 p.m. 8.1 ppb (8) 3.8 ppb (4) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (23) N/A N/A 4.2 μg/m3 (18) 23.0
 
Jan. 21, 2021, 4 p.m. 12.9 ppb (13) 5.2 ppb (5) N/A 8.0 ppb (8) N/A N/A 20.0 ppb (19) N/A N/A 6.8 μg/m3 (29) 29.0
 
Jan. 21, 2021, 3 p.m. 24.9 ppb (24) 7.7 ppb (8) N/A 17.0 ppb (17) N/A N/A 11.0 ppb (11) N/A N/A 7.3 μg/m3 (31) 31.0
 
Jan. 21, 2021, 2 p.m. 26.3 ppb (25) 8.5 ppb (9) N/A 18.0 ppb (17) N/A N/A 11.0 ppb (11) N/A N/A 7.3 μg/m3 (31) 31.0
 
Jan. 21, 2021, 1 p.m. 5.2 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (22) N/A N/A 4.9 μg/m3 (21) 22.0
 
Jan. 21, 2021, noon 2.8 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Jan. 21, 2021, 11 a.m. N/A 0.4 ppb (1) N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 4.1 μg/m3 (18) 23.0
 
Jan. 21, 2021, 10 a.m. 4.9 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (21) N/A N/A 4.6 μg/m3 (20) 21.0
 
Jan. 21, 2021, 9 a.m. 4.7 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (20) N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 21, 2021, 8 a.m. 3.6 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (23) N/A N/A 7.3 μg/m3 (31) 31.0
 
Jan. 21, 2021, 7 a.m. 3.7 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (24) N/A N/A 5.2 μg/m3 (22) 24.0
 
Jan. 21, 2021, 6 a.m. 3.0 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
Jan. 21, 2021, 5 a.m. 3.2 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A N/A 3.5 μg/m3 (15) 27.0
 
Jan. 21, 2021, 4 a.m. 4.6 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A N/A 3.7 μg/m3 (16) 26.0
 
Jan. 21, 2021, 3 a.m. 4.6 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A N/A 3.9 μg/m3 (17) 27.0
 
Jan. 21, 2021, 2 a.m. 25.7 ppb (25) 4.1 ppb (4) N/A 22.0 ppb (21) N/A N/A 14.0 ppb (13) N/A N/A 10.8 μg/m3 (46) 46.0
 
Jan. 21, 2021, 1 a.m. 20.7 ppb (20) 2.4 ppb (3) N/A 18.0 ppb (17) N/A N/A 19.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2021, midnight 7.6 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) N/A N/A 6.3 μg/m3 (27) 31.0
 
Jan. 20, 2021, 11 p.m. 3.0 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 5.6 μg/m3 (24) 36.0
 
Jan. 20, 2021, 10 p.m. 3.3 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) N/A N/A 3.9 μg/m3 (17) 37.0
 
Jan. 20, 2021, 9 p.m. 3.1 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A 3.6 μg/m3 (16) 36.0
 
Jan. 20, 2021, 8 p.m. 3.7 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A N/A 3.6 μg/m3 (16) 34.0
 
Jan. 20, 2021, 7 p.m. 4.5 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 3.7 μg/m3 (16) 31.0
 
Jan. 20, 2021, 6 p.m. 3.3 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
Jan. 20, 2021, 5 p.m. 5.7 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A 3.3 μg/m3 (14) 28.0
 
Jan. 20, 2021, 4 p.m. 9.2 ppb (9) 1.5 ppb (2) N/A 8.0 ppb (8) N/A N/A 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Jan. 20, 2021, 3 p.m. 22.2 ppb (21) 4.2 ppb (4) N/A 18.0 ppb (17) N/A N/A 15.0 ppb (14) N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 20, 2021, 2 p.m. 14.4 ppb (14) 2.3 ppb (3) N/A 12.0 ppb (12) N/A N/A 20.0 ppb (19) N/A N/A 4.1 μg/m3 (18) 19.0
 
Jan. 20, 2021, 1 p.m. 6.1 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) N/A N/A 2.8 μg/m3 (12) 26.0
 
Jan. 20, 2021, noon 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A N/A 2.6 μg/m3 (11) 30.0