ID: 2954

AQSQID: 490210005

Site Name: Enoch

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

Updated: Oct. 19, 2021, 1:02 p.m.

Location: Cedar City (3860 N), UT

Reporting: True, Located: True

Current AQI: 26.0

Cedar City (3860 N) UT, US: 37.747445, -113.055524

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 19, 2021, 11 a.m. 12.1 ppb (12) 3.3 ppb (4) N/A 9.0 ppb (9) N/A N/A 28.0 ppb (26) N/A N/A 2.2 μg/m3 (10) 26.0
 
Oct. 19, 2021, 10 a.m. 7.1 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) N/A N/A 1.2 μg/m3 (5) 31.0
 
Oct. 19, 2021, 9 a.m. 4.0 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) N/A N/A 1.3 μg/m3 (6) 30.0
 
Oct. 19, 2021, 8 a.m. 4.0 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) N/A N/A 1.2 μg/m3 (5) 29.0
 
Oct. 19, 2021, 7 a.m. 3.3 ppb (4) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A 2.2 μg/m3 (10) 28.0
 
Oct. 19, 2021, 6 a.m. 3.3 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 1.4 μg/m3 (6) 34.0
 
Oct. 19, 2021, 5 a.m. 1.8 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A 1.2 μg/m3 (5) 36.0
 
Oct. 19, 2021, 4 a.m. 1.7 ppb (2) -0.4 ppb (0) 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
 
Oct. 19, 2021, 3 a.m. 3.6 ppb (4) -0.2 ppb (0) 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
 
Oct. 19, 2021, 2 a.m. 5.7 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) N/A N/A 2.7 μg/m3 (12) 34.0
 
Oct. 19, 2021, 1 a.m. 11.1 ppb (11) 2.9 ppb (3) N/A 8.0 ppb (8) N/A N/A 38.0 ppb (36) N/A N/A 1.8 μg/m3 (8) 36.0
 
Oct. 19, 2021, midnight 8.1 ppb (8) 2.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (40) N/A N/A 2.0 μg/m3 (9) 40.0
 
Oct. 18, 2021, 11 p.m. 8.8 ppb (9) 3.8 ppb (4) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
Oct. 18, 2021, 10 p.m. 0.4 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 3.2 μg/m3 (14) 37.0
 
Oct. 18, 2021, 9 p.m. 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 5.6 μg/m3 (24) 41.0
 
Oct. 18, 2021, 8 p.m. 0.5 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 6.1 μg/m3 (26) 41.0
 
Oct. 18, 2021, 7 p.m. 0.4 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 5.9 μg/m3 (25) 41.0
 
Oct. 18, 2021, 6 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 5.9 μg/m3 (25) 40.0
 
Oct. 18, 2021, 5 p.m. 3.2 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 6.5 μg/m3 (28) 39.0
 
Oct. 18, 2021, 4 p.m. 3.6 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 6.8 μg/m3 (29) 38.0
 
Oct. 18, 2021, 3 p.m. 4.2 ppb (4) 2.4 ppb (3) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 4.4 μg/m3 (19) 38.0
 
Oct. 18, 2021, 2 p.m. 8.5 ppb (9) 4.7 ppb (5) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) N/A N/A 5.2 μg/m3 (22) 38.0
 
Oct. 18, 2021, 1 p.m. 8.0 ppb (8) 3.5 ppb (4) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (38) N/A N/A 5.5 μg/m3 (23) 38.0
 
Oct. 18, 2021, noon 7.2 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) N/A N/A 6.4 μg/m3 (27) 38.0
 
Oct. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.9 μg/m3 (21) 34.0
 
Oct. 18, 2021, 10 a.m. 3.3 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 3.4 μg/m3 (15) 36.0
 
Oct. 18, 2021, 9 a.m. 0.2 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 3.1 μg/m3 (13) 40.0
 
Oct. 18, 2021, 8 a.m. 0.4 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 2.6 μg/m3 (11) 40.0
 
Oct. 18, 2021, 7 a.m. -0.3 ppb (0) -0.4 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) N/A N/A 2.4 μg/m3 (10) 41.0
 
Oct. 18, 2021, 6 a.m. 0.0 ppb (0) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 2.3 μg/m3 (10) 40.0
 
Oct. 18, 2021, 5 a.m. 0.4 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 2.4 μg/m3 (10) 39.0
 
Oct. 18, 2021, 4 a.m. 2.2 ppb (3) -0.4 ppb (0) 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
 
Oct. 18, 2021, 3 a.m. 13.7 ppb (13) 2.8 ppb (3) N/A 11.0 ppb (11) N/A N/A 28.0 ppb (26) N/A N/A 3.1 μg/m3 (13) 26.0
 
Oct. 18, 2021, 2 a.m. 9.3 ppb (9) 1.2 ppb (2) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) N/A N/A 3.1 μg/m3 (13) 30.0
 
Oct. 18, 2021, 1 a.m. 1.3 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A 2.3 μg/m3 (10) 35.0
 
Oct. 18, 2021, midnight 1.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 2.8 μg/m3 (12) 38.0
 
Oct. 17, 2021, 11 p.m. 0.7 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 2.7 μg/m3 (12) 37.0
 
Oct. 17, 2021, 10 p.m. 0.4 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 3.2 μg/m3 (14) 38.0
 
Oct. 17, 2021, 9 p.m. 0.4 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 3.6 μg/m3 (16) 39.0
 
Oct. 17, 2021, 8 p.m. 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 3.6 μg/m3 (16) 39.0
 
Oct. 17, 2021, 7 p.m. 0.4 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 3.4 μg/m3 (15) 38.0
 
Oct. 17, 2021, 6 p.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A 3.2 μg/m3 (14) 38.0
 
Oct. 17, 2021, 5 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A N/A 3.4 μg/m3 (15) 36.0
 
Oct. 17, 2021, 4 p.m. 5.4 ppb (6) 2.3 ppb (3) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 4.2 μg/m3 (18) 31.0
 
Oct. 17, 2021, 3 p.m. 5.4 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A 4.7 μg/m3 (20) 28.0
 
Oct. 17, 2021, 2 p.m. 19.3 ppb (19) 6.1 ppb (6) N/A 13.0 ppb (13) N/A N/A 20.0 ppb (19) N/A N/A 4.8 μg/m3 (20) 20.0
 
Oct. 17, 2021, 1 p.m. 12.2 ppb (12) 3.5 ppb (4) N/A 9.0 ppb (9) N/A N/A 20.0 ppb (19) N/A N/A 2.8 μg/m3 (12) 19.0
 
Oct. 17, 2021, noon 13.7 ppb (13) 4.4 ppb (5) N/A 9.0 ppb (9) N/A N/A 18.0 ppb (17) N/A N/A 2.5 μg/m3 (11) 17.0
 
Oct. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
Oct. 17, 2021, 10 a.m. 3.6 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) N/A N/A 2.5 μg/m3 (11) 26.0
 
Oct. 17, 2021, 9 a.m. 5.4 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (18) N/A N/A 3.4 μg/m3 (15) 18.0
 
Oct. 17, 2021, 8 a.m. 5.8 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (19) N/A N/A 3.2 μg/m3 (14) 19.0
 
Oct. 17, 2021, 7 a.m. 15.3 ppb (15) 2.9 ppb (3) N/A 13.0 ppb (13) N/A N/A 12.0 ppb (12) N/A N/A 4.5 μg/m3 (19) 19.0
 
Oct. 17, 2021, 6 a.m. 12.6 ppb (12) 2.7 ppb (3) N/A 10.0 ppb (10) N/A N/A 15.0 ppb (14) N/A N/A 3.5 μg/m3 (15) 15.0
 
Oct. 17, 2021, 5 a.m. 17.4 ppb (17) 4.2 ppb (4) N/A 13.0 ppb (13) N/A N/A 12.0 ppb (12) N/A N/A 5.7 μg/m3 (24) 24.0
 
Oct. 17, 2021, 4 a.m. 13.5 ppb (13) 1.9 ppb (2) N/A 12.0 ppb (12) N/A N/A 16.0 ppb (15) N/A N/A 6.3 μg/m3 (27) 27.0
 
Oct. 17, 2021, 3 a.m. 14.5 ppb (14) 2.8 ppb (3) N/A 12.0 ppb (12) N/A N/A 18.0 ppb (17) N/A N/A 5.3 μg/m3 (23) 23.0
 
Oct. 17, 2021, 2 a.m. 13.5 ppb (13) 3.3 ppb (4) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) N/A N/A 4.5 μg/m3 (19) 19.0
 
Oct. 17, 2021, 1 a.m. 14.8 ppb (14) 3.4 ppb (4) N/A 12.0 ppb (12) N/A N/A 19.0 ppb (18) N/A N/A 8.2 μg/m3 (35) 35.0
 
Oct. 17, 2021, midnight 24.7 ppb (24) 10.0 ppb (10) N/A 15.0 ppb (15) N/A N/A 23.0 ppb (22) N/A N/A 5.9 μg/m3 (25) 25.0
 
Oct. 16, 2021, 11 p.m. 8.8 ppb (9) 4.1 ppb (4) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) N/A N/A 4.7 μg/m3 (20) 35.0
 
Oct. 16, 2021, 10 p.m. 4.5 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) N/A N/A 3.7 μg/m3 (16) 37.0
 
Oct. 16, 2021, 9 p.m. 5.0 ppb (5) 2.3 ppb (3) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A N/A 3.5 μg/m3 (15) 35.0
 
Oct. 16, 2021, 8 p.m. 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A N/A 4.1 μg/m3 (18) 36.0
 
Oct. 16, 2021, 7 p.m. 1.5 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 5.8 μg/m3 (25) 37.0
 
Oct. 16, 2021, 6 p.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A 4.1 μg/m3 (18) 35.0
 
Oct. 16, 2021, 5 p.m. 3.9 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A 4.4 μg/m3 (19) 30.0
 
Oct. 16, 2021, 4 p.m. 11.2 ppb (11) 4.5 ppb (5) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) N/A N/A 11.4 μg/m3 (48) 48.0
 
Oct. 16, 2021, 3 p.m. 26.3 ppb (25) 14.4 ppb (14) N/A 12.0 ppb (12) N/A N/A 14.0 ppb (13) N/A N/A 7.6 μg/m3 (32) 32.0
 
Oct. 16, 2021, 2 p.m. 24.6 ppb (24) 14.2 ppb (14) N/A 11.0 ppb (11) N/A N/A 7.0 ppb (7) N/A N/A 6.2 μg/m3 (26) 26.0
 
Oct. 16, 2021, 1 p.m. 23.4 ppb (23) 10.0 ppb (10) N/A 14.0 ppb (14) N/A N/A 4.0 ppb (4) N/A N/A 7.1 μg/m3 (30) 30.0
 
Oct. 16, 2021, noon 20.9 ppb (20) 7.7 ppb (8) N/A 13.0 ppb (13) N/A N/A 5.0 ppb (5) N/A N/A 7.1 μg/m3 (30) 30.0
 
Oct. 16, 2021, 11 a.m. 9.6 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A 5.2 μg/m3 (22) 22.0
 
Oct. 16, 2021, 10 a.m. 10.7 ppb (11) 1.1 ppb (2) N/A 10.0 ppb (10) N/A N/A 8.0 ppb (8) N/A N/A 6.3 μg/m3 (27) 27.0
 
Oct. 16, 2021, 9 a.m. 6.2 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (12) N/A N/A 3.6 μg/m3 (16) 16.0
 
Oct. 16, 2021, 8 a.m. 10.1 ppb (10) 1.6 ppb (2) N/A 9.0 ppb (9) N/A N/A 11.0 ppb (11) N/A N/A 3.3 μg/m3 (14) 14.0
 
Oct. 16, 2021, 7 a.m. 15.2 ppb (15) 4.3 ppb (5) N/A 11.0 ppb (11) N/A N/A 8.0 ppb (8) N/A N/A 5.3 μg/m3 (23) 23.0
 
Oct. 16, 2021, 6 a.m. 16.4 ppb (16) 2.4 ppb (3) N/A 14.0 ppb (14) N/A N/A 9.0 ppb (9) N/A N/A 7.1 μg/m3 (30) 30.0
 
Oct. 16, 2021, 5 a.m. 21.6 ppb (21) 4.3 ppb (5) N/A 17.0 ppb (17) N/A N/A 9.0 ppb (9) N/A N/A 8.5 μg/m3 (36) 36.0
 
Oct. 16, 2021, 4 a.m. 25.1 ppb (24) 5.1 ppb (5) N/A 20.0 ppb (19) N/A N/A 7.0 ppb (7) N/A N/A 6.6 μg/m3 (28) 28.0
 
Oct. 16, 2021, 3 a.m. 16.8 ppb (16) 4.8 ppb (5) N/A 12.0 ppb (12) N/A N/A 14.0 ppb (13) N/A N/A 4.9 μg/m3 (21) 21.0
 
Oct. 16, 2021, 2 a.m. 3.4 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) N/A N/A 4.7 μg/m3 (20) 25.0
 
Oct. 16, 2021, 1 a.m. 3.6 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A N/A 3.2 μg/m3 (14) 27.0
 
Oct. 16, 2021, midnight 4.1 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A 2.6 μg/m3 (11) 30.0
 
Oct. 15, 2021, 11 p.m. -0.2 ppb (0) -0.4 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (35) N/A N/A 1.7 μg/m3 (8) 35.0
 
Oct. 15, 2021, 10 p.m. -0.2 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (35) N/A N/A 1.6 μg/m3 (7) 35.0
 
Oct. 15, 2021, 9 p.m. -0.2 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) N/A N/A 1.4 μg/m3 (6) 36.0
 
Oct. 15, 2021, 8 p.m. 0.1 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) N/A N/A 1.5 μg/m3 (7) 36.0
 
Oct. 15, 2021, 7 p.m. 0.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A N/A 1.7 μg/m3 (8) 34.0
 
Oct. 15, 2021, 6 p.m. 1.8 ppb (2) 1.1 ppb (2) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
Oct. 15, 2021, 5 p.m. 2.8 ppb (3) 1.6 ppb (2) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A N/A 2.4 μg/m3 (10) 31.0
 
Oct. 15, 2021, 4 p.m. 4.8 ppb (5) 2.7 ppb (3) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A N/A 2.9 μg/m3 (13) 27.0
 
Oct. 15, 2021, 3 p.m. 5.7 ppb (6) 2.6 ppb (3) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (22) N/A N/A 2.7 μg/m3 (12) 22.0
 
Oct. 15, 2021, 2 p.m. 5.1 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (18) N/A N/A 3.4 μg/m3 (15) 18.0
 
Oct. 15, 2021, 1 p.m. 18.1 ppb (18) 9.5 ppb (9) N/A 9.0 ppb (9) N/A N/A 8.0 ppb (8) N/A N/A 6.2 μg/m3 (26) 26.0
 
Oct. 15, 2021, noon 31.1 ppb (30) 16.9 ppb (16) N/A 14.0 ppb (14) N/A N/A 4.0 ppb (4) N/A N/A 9.3 μg/m3 (39) 39.0
 
Oct. 15, 2021, 11 a.m. 26.7 ppb (26) 10.6 ppb (10) N/A 16.0 ppb (16) N/A N/A 5.0 ppb (5) N/A N/A 5.3 μg/m3 (23) 26.0
 
Oct. 15, 2021, 10 a.m. 4.8 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (14) N/A N/A 2.7 μg/m3 (12) 14.0
 
Oct. 15, 2021, 9 a.m. 0.7 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 18.0 ppb (17) N/A N/A 2.4 μg/m3 (10) 17.0
 
Oct. 15, 2021, 8 a.m. -0.1 ppb (0) -0.4 ppb (0) N/A 0.0 ppb (0) N/A N/A 17.0 ppb (16) N/A N/A 1.1 μg/m3 (5) 16.0
 
Oct. 15, 2021, 7 a.m. -0.1 ppb (0) -0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (19) N/A N/A 1.1 μg/m3 (5) 19.0
 
Oct. 15, 2021, 6 a.m. 0.6 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (22) N/A N/A 1.4 μg/m3 (6) 22.0
 
Oct. 15, 2021, 5 a.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) N/A N/A 1.5 μg/m3 (7) 27.0
 
Oct. 15, 2021, 4 a.m. 0.8 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A N/A 1.2 μg/m3 (5) 31.0
 
Oct. 15, 2021, 3 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A N/A 1.1 μg/m3 (5) 30.0
 
Oct. 15, 2021, 2 a.m. 3.6 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A 1.7 μg/m3 (8) 30.0
 
Oct. 15, 2021, 1 a.m. 10.7 ppb (11) 7.1 ppb (7) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (28) N/A N/A 1.8 μg/m3 (8) 28.0
 
Oct. 15, 2021, midnight 4.6 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 1.6 μg/m3 (7) 31.0
 
Oct. 14, 2021, 11 p.m. 5.3 ppb (5) 2.6 ppb (3) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) N/A N/A 2.0 μg/m3 (9) 32.0
 
Oct. 14, 2021, 10 p.m. 6.2 ppb (6) 4.2 ppb (4) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A 1.8 μg/m3 (8) 33.0
 
Oct. 14, 2021, 9 p.m. 2.3 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A N/A 1.4 μg/m3 (6) 34.0
 
Oct. 14, 2021, 8 p.m. 5.8 ppb (6) 4.7 ppb (5) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A N/A 1.7 μg/m3 (8) 33.0
 
Oct. 14, 2021, 7 p.m. 3.3 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A N/A 2.6 μg/m3 (11) 31.0
 
Oct. 14, 2021, 6 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) N/A N/A 2.9 μg/m3 (13) 30.0
 
Oct. 14, 2021, 5 p.m. 5.5 ppb (6) 2.9 ppb (3) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) N/A N/A 4.8 μg/m3 (20) 23.0
 
Oct. 14, 2021, 4 p.m. 12.7 ppb (12) 8.1 ppb (8) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (14) N/A N/A 6.3 μg/m3 (27) 27.0
 
Oct. 14, 2021, 3 p.m. 20.1 ppb (19) 12.7 ppb (12) N/A 8.0 ppb (8) N/A N/A 12.0 ppb (12) N/A N/A 11.0 μg/m3 (46) 46.0
 
Oct. 14, 2021, 2 p.m. 56.8 ppb (54) 40.6 ppb (39) N/A 16.0 ppb (16) N/A N/A 6.0 ppb (6) N/A N/A 11.0 μg/m3 (46) 54.0
 
Oct. 14, 2021, 1 p.m. 38.0 ppb (36) 20.2 ppb (20) N/A 18.0 ppb (17) N/A N/A 5.0 ppb (5) N/A N/A 9.9 μg/m3 (42) 42.0
 
Oct. 14, 2021, noon 51.6 ppb (49) 32.6 ppb (31) N/A 19.0 ppb (18) N/A N/A 4.0 ppb (4) N/A N/A 7.5 μg/m3 (32) 49.0
 
Oct. 14, 2021, 11 a.m. 30.4 ppb (29) 12.9 ppb (13) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (7) N/A N/A 5.1 μg/m3 (22) 29.0
 
Oct. 14, 2021, 10 a.m. 13.2 ppb (13) 2.0 ppb (2) N/A 11.0 ppb (11) N/A N/A 10.0 ppb (10) N/A N/A 5.2 μg/m3 (22) 22.0
 
Oct. 14, 2021, 9 a.m. 8.5 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 12.0 ppb (12) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, 8 a.m. 9.8 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 12.0 ppb (12) N/A N/A 4.9 μg/m3 (21) 21.0
 
Oct. 14, 2021, 7 a.m. 12.7 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A N/A 10.0 ppb (10) N/A N/A 7.8 μg/m3 (33) 33.0
 
Oct. 14, 2021, 6 a.m. 17.1 ppb (17) 1.6 ppb (2) N/A 16.0 ppb (16) N/A N/A 8.0 ppb (8) N/A N/A 6.1 μg/m3 (26) 26.0
 
Oct. 14, 2021, 5 a.m. 18.3 ppb (18) 2.1 ppb (2) N/A 16.0 ppb (16) N/A N/A 9.0 ppb (9) N/A N/A 3.4 μg/m3 (15) 18.0
 
Oct. 14, 2021, 4 a.m. 13.3 ppb (13) 1.5 ppb (2) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) N/A N/A 4.4 μg/m3 (19) 19.0
 
Oct. 14, 2021, 3 a.m. 18.6 ppb (18) 3.6 ppb (4) N/A 15.0 ppb (15) N/A N/A 11.0 ppb (11) N/A N/A 3.9 μg/m3 (17) 18.0
 
Oct. 14, 2021, 2 a.m. 20.4 ppb (20) 4.4 ppb (5) N/A 16.0 ppb (16) N/A N/A 11.0 ppb (11) N/A N/A 3.5 μg/m3 (15) 20.0
 
Oct. 14, 2021, 1 a.m. 25.5 ppb (25) 6.3 ppb (6) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (13) N/A N/A N/A 25.0
 
Oct. 14, 2021, midnight 17.7 ppb (17) 7.4 ppb (7) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) N/A N/A 5.5 μg/m3 (23) 25.0
 
Oct. 13, 2021, 11 p.m. 7.5 ppb (8) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) N/A N/A 3.2 μg/m3 (14) 31.0
 
Oct. 13, 2021, 10 p.m. 8.2 ppb (8) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) N/A N/A 3.8 μg/m3 (16) 32.0
 
Oct. 13, 2021, 9 p.m. 14.7 ppb (14) 8.2 ppb (8) N/A 7.0 ppb (7) N/A N/A 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
Oct. 13, 2021, 8 p.m. 11.7 ppb (12) 5.5 ppb (6) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) N/A N/A 5.3 μg/m3 (23) 33.0
 
Oct. 13, 2021, 7 p.m. 14.7 ppb (14) 7.4 ppb (7) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) N/A N/A 7.9 μg/m3 (33) 33.0
 
Oct. 13, 2021, 6 p.m. 23.0 ppb (22) 12.3 ppb (12) N/A 11.0 ppb (11) N/A N/A 28.0 ppb (26) N/A N/A 8.5 μg/m3 (36) 36.0
 
Oct. 13, 2021, 5 p.m. 31.9 ppb (31) 18.7 ppb (18) N/A 13.0 ppb (13) N/A N/A 23.0 ppb (22) N/A N/A 9.6 μg/m3 (40) 40.0
 
Oct. 13, 2021, 4 p.m. 37.3 ppb (36) 24.8 ppb (24) N/A 13.0 ppb (13) N/A N/A 19.0 ppb (18) N/A N/A 8.0 μg/m3 (34) 36.0
 
Oct. 13, 2021, 3 p.m. 44.3 ppb (42) 28.8 ppb (28) N/A 16.0 ppb (16) N/A N/A 14.0 ppb (13) N/A N/A 8.6 μg/m3 (36) 42.0
 
Oct. 13, 2021, 2 p.m. 71.6 ppb (70) 48.4 ppb (46) N/A 23.0 ppb (22) N/A N/A 8.0 ppb (8) N/A N/A 9.9 μg/m3 (42) 70.0
 
Oct. 13, 2021, 1 p.m. 84.1 ppb (84) 57.7 ppb (55) N/A 27.0 ppb (26) N/A N/A 3.0 ppb (3) N/A N/A 9.6 μg/m3 (40) 84.0
 
Oct. 13, 2021, noon 23.3 ppb (22) 8.5 ppb (9) N/A 15.0 ppb (15) N/A N/A 10.0 ppb (10) N/A N/A 9.7 μg/m3 (41) 41.0
 
Oct. 13, 2021, 11 a.m. 29.3 ppb (28) 12.1 ppb (12) N/A 17.0 ppb (17) N/A N/A 7.0 ppb (7) N/A N/A 4.3 μg/m3 (18) 28.0
 
Oct. 13, 2021, 10 a.m. 18.8 ppb (18) 3.3 ppb (4) N/A 16.0 ppb (16) N/A N/A 8.0 ppb (8) N/A N/A 4.7 μg/m3 (20) 20.0
 
Oct. 13, 2021, 9 a.m. 12.0 ppb (12) 1.2 ppb (2) N/A 11.0 ppb (11) N/A N/A 12.0 ppb (12) N/A N/A 4.2 μg/m3 (18) 18.0
 
Oct. 13, 2021, 8 a.m. 16.4 ppb (16) 2.6 ppb (3) N/A 14.0 ppb (14) N/A N/A 11.0 ppb (11) N/A N/A 5.1 μg/m3 (22) 22.0
 
Oct. 13, 2021, 7 a.m. 16.3 ppb (16) 0.7 ppb (1) N/A 16.0 ppb (16) N/A N/A 7.0 ppb (7) N/A N/A 7.2 μg/m3 (31) 31.0
 
Oct. 13, 2021, 6 a.m. 9.3 ppb (9) 0.5 ppb (1) N/A 9.0 ppb (9) N/A N/A 12.0 ppb (12) N/A N/A 11.6 μg/m3 (49) 49.0
 
Oct. 13, 2021, 5 a.m. 8.5 ppb (9) -0.2 ppb (0) N/A 9.0 ppb (9) N/A N/A 13.0 ppb (13) N/A N/A 10.7 μg/m3 (45) 45.0
 
Oct. 13, 2021, 4 a.m. 20.2 ppb (20) 3.1 ppb (3) N/A 17.0 ppb (17) N/A N/A 8.0 ppb (8) N/A N/A 6.8 μg/m3 (29) 29.0
 
Oct. 13, 2021, 3 a.m. 10.1 ppb (10) 1.8 ppb (2) N/A 8.0 ppb (8) N/A N/A 17.0 ppb (16) N/A N/A 11.1 μg/m3 (47) 47.0
 
Oct. 13, 2021, 2 a.m. 19.2 ppb (19) 0.9 ppb (1) N/A 18.0 ppb (17) N/A N/A 10.0 ppb (10) N/A N/A 17.0 μg/m3 (62) 62.0
 
Oct. 13, 2021, 1 a.m. 20.3 ppb (20) 7.1 ppb (7) N/A 13.0 ppb (13) N/A N/A 17.0 ppb (16) N/A N/A 13.5 μg/m3 (54) 54.0
 
Oct. 13, 2021, midnight 9.6 ppb (10) 2.5 ppb (3) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) N/A N/A 2.8 μg/m3 (12) 22.0
 
Oct. 12, 2021, 11 p.m. 11.3 ppb (11) 6.1 ppb (6) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) N/A N/A 3.8 μg/m3 (16) 25.0
 
Oct. 12, 2021, 10 p.m. 7.8 ppb (8) 3.8 ppb (4) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A N/A 2.3 μg/m3 (10) 26.0
 
Oct. 12, 2021, 9 p.m. 11.5 ppb (11) 6.3 ppb (6) 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
 
Oct. 12, 2021, 8 p.m. 6.6 ppb (7) 3.9 ppb (4) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A N/A 1.8 μg/m3 (8) 28.0
 
Oct. 12, 2021, 7 p.m. 0.1 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 31.0 ppb (29) N/A N/A 0.8 μg/m3 (4) 29.0
 
Oct. 12, 2021, 6 p.m. -0.2 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 31.0 ppb (29) N/A N/A 0.7 μg/m3 (3) 29.0
 
Oct. 12, 2021, 5 p.m. 2.4 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A N/A 1.9 μg/m3 (8) 28.0
 
Oct. 12, 2021, 4 p.m. 6.6 ppb (7) 3.3 ppb (4) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A N/A 2.6 μg/m3 (11) 26.0
 
Oct. 12, 2021, 3 p.m. 5.9 ppb (6) 3.1 ppb (3) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) N/A N/A 0.6 μg/m3 (3) 26.0
 
Oct. 12, 2021, 2 p.m. 10.9 ppb (11) 5.4 ppb (6) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) N/A N/A 0.6 μg/m3 (3) 25.0
 
Oct. 12, 2021, 1 p.m. 10.5 ppb (10) 4.1 ppb (4) N/A 7.0 ppb (7) N/A N/A 22.0 ppb (21) N/A N/A 0.7 μg/m3 (3) 21.0
 
Oct. 12, 2021, noon 30.3 ppb (29) 20.4 ppb (20) N/A 10.0 ppb (10) N/A N/A 22.0 ppb (21) N/A N/A 4.8 μg/m3 (20) 29.0