ID: 2834

AQSQID: 490353013

Site Name: Herriman #3

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

Updated: Oct. 31, 2020, 7:39 a.m.

Location: Herriman (Foothills), UT

Reporting: True, Located: True

Current AQI: 30.0

Herriman (Foothills) UT, US: 40.496408, -112.036305

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 31, 2020, 6 a.m. 3.0 ppb (3) 0.5 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. 31, 2020, 5 a.m. 3.6 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A 2.0 μg/m3 (9) 30.0
 
Oct. 31, 2020, 4 a.m. 5.1 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) N/A N/A 3.1 μg/m3 (13) 29.0
 
Oct. 31, 2020, 3 a.m. 5.5 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) N/A N/A 3.8 μg/m3 (16) 29.0
 
Oct. 31, 2020, 2 a.m. 4.3 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A N/A 3.9 μg/m3 (17) 30.0
 
Oct. 31, 2020, 1 a.m. 4.5 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A N/A 3.1 μg/m3 (13) 32.0
 
Oct. 31, 2020, midnight 4.1 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
Oct. 30, 2020, 11 p.m. 4.2 ppb (4) 0.8 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
 
Oct. 30, 2020, 10 p.m. 2.5 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A 3.5 μg/m3 (15) 38.0
 
Oct. 30, 2020, 9 p.m. 3.5 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) N/A N/A 5.2 μg/m3 (22) 37.0
 
Oct. 30, 2020, 8 p.m. 3.4 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) N/A N/A 4.3 μg/m3 (18) 37.0
 
Oct. 30, 2020, 7 p.m. 3.9 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) N/A N/A 4.8 μg/m3 (20) 37.0
 
Oct. 30, 2020, 6 p.m. 7.0 ppb (7) 2.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) N/A N/A 7.6 μg/m3 (32) 33.0
 
Oct. 30, 2020, 5 p.m. 8.6 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) N/A N/A 8.2 μg/m3 (35) 35.0
 
Oct. 30, 2020, 4 p.m. 15.7 ppb (15) 6.0 ppb (6) N/A 10.0 ppb (10) N/A N/A 25.0 ppb (24) N/A N/A 8.7 μg/m3 (37) 37.0
 
Oct. 30, 2020, 3 p.m. 27.0 ppb (26) 12.9 ppb (13) N/A 14.0 ppb (14) N/A N/A 18.0 ppb (17) N/A N/A 8.1 μg/m3 (34) 34.0
 
Oct. 30, 2020, 2 p.m. 39.9 ppb (38) 20.3 ppb (20) N/A 20.0 ppb (19) N/A N/A 10.0 ppb (10) N/A N/A 6.6 μg/m3 (28) 38.0
 
Oct. 30, 2020, 1 p.m. 12.1 ppb (12) 1.2 ppb (2) N/A 11.0 ppb (11) N/A N/A 17.0 ppb (16) N/A N/A 5.1 μg/m3 (22) 22.0
 
Oct. 30, 2020, noon 8.3 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 19.0 ppb (18) N/A N/A 2.9 μg/m3 (13) 18.0
 
Oct. 30, 2020, 11 a.m. 6.8 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 21.0 ppb (20) N/A N/A 3.1 μg/m3 (13) 20.0
 
Oct. 30, 2020, 10 a.m. 5.8 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (20) N/A N/A 2.1 μg/m3 (9) 20.0
 
Oct. 30, 2020, 9 a.m. 5.3 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (20) N/A N/A 1.8 μg/m3 (8) 20.0
 
Oct. 30, 2020, 8 a.m. 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (20) N/A N/A 1.6 μg/m3 (7) 20.0
 
Oct. 30, 2020, 7 a.m. 5.6 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (21) N/A N/A 1.6 μg/m3 (7) 21.0
 
Oct. 30, 2020, 6 a.m. 11.9 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (12) N/A N/A 17.0 ppb (16) N/A N/A 3.0 μg/m3 (13) 16.0
 
Oct. 30, 2020, 5 a.m. 21.6 ppb (21) 0.8 ppb (1) N/A 21.0 ppb (20) N/A N/A 10.0 ppb (10) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 30, 2020, 4 a.m. 21.2 ppb (20) 0.8 ppb (1) N/A 21.0 ppb (20) N/A N/A 10.0 ppb (10) N/A N/A 6.3 μg/m3 (27) 27.0
 
Oct. 30, 2020, 3 a.m. 15.7 ppb (15) 0.6 ppb (1) N/A 15.0 ppb (15) N/A N/A 17.0 ppb (16) N/A N/A 8.3 μg/m3 (35) 35.0
 
Oct. 30, 2020, 2 a.m. 14.4 ppb (14) 0.7 ppb (1) N/A 14.0 ppb (14) N/A N/A 20.0 ppb (19) N/A N/A 9.8 μg/m3 (41) 41.0
 
Oct. 30, 2020, 1 a.m. 13.5 ppb (13) 1.1 ppb (2) N/A 13.0 ppb (13) N/A N/A 22.0 ppb (21) N/A N/A 10.6 μg/m3 (45) 45.0
 
Oct. 30, 2020, midnight 14.5 ppb (14) 1.4 ppb (2) N/A 13.0 ppb (13) N/A N/A 28.0 ppb (26) N/A N/A 10.1 μg/m3 (43) 43.0
 
Oct. 29, 2020, 11 p.m. 11.1 ppb (11) 1.4 ppb (2) N/A 10.0 ppb (10) N/A N/A 38.0 ppb (36) N/A N/A 12.8 μg/m3 (53) 53.0
 
Oct. 29, 2020, 10 p.m. 7.7 ppb (8) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) N/A N/A 11.6 μg/m3 (49) 49.0
 
Oct. 29, 2020, 9 p.m. 7.1 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) N/A N/A 10.9 μg/m3 (46) 46.0
 
Oct. 29, 2020, 8 p.m. 7.6 ppb (8) 2.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) N/A N/A 11.5 μg/m3 (48) 48.0
 
Oct. 29, 2020, 7 p.m. 7.8 ppb (8) 2.4 ppb (3) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (35) N/A N/A 11.5 μg/m3 (48) 48.0
 
Oct. 29, 2020, 6 p.m. 8.8 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) N/A N/A 11.6 μg/m3 (49) 49.0
 
Oct. 29, 2020, 5 p.m. 12.3 ppb (12) 4.4 ppb (5) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 29, 2020, 4 p.m. 18.8 ppb (18) 7.1 ppb (7) N/A 12.0 ppb (12) N/A N/A 26.0 ppb (25) N/A N/A 13.1 μg/m3 (54) 54.0
 
Oct. 29, 2020, 3 p.m. 16.4 ppb (16) 5.0 ppb (5) N/A 12.0 ppb (12) N/A N/A 22.0 ppb (21) N/A N/A 10.7 μg/m3 (45) 45.0
 
Oct. 29, 2020, 2 p.m. 31.2 ppb (30) 9.4 ppb (9) N/A 22.0 ppb (21) N/A N/A 10.0 ppb (10) N/A N/A 11.3 μg/m3 (48) 48.0
 
Oct. 29, 2020, 1 p.m. 22.7 ppb (22) 3.1 ppb (3) N/A 20.0 ppb (19) N/A N/A 11.0 ppb (11) N/A N/A 9.9 μg/m3 (42) 42.0
 
Oct. 29, 2020, noon 13.3 ppb (13) 0.7 ppb (1) N/A 13.0 ppb (13) N/A N/A 17.0 ppb (16) N/A N/A 8.8 μg/m3 (37) 37.0
 
Oct. 29, 2020, 11 a.m. 9.1 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 21.0 ppb (20) N/A N/A 7.9 μg/m3 (33) 33.0
 
Oct. 29, 2020, 10 a.m. 8.0 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 22.0 ppb (21) N/A N/A 7.1 μg/m3 (30) 30.0
 
Oct. 29, 2020, 9 a.m. 9.2 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 20.0 ppb (19) N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 29, 2020, 8 a.m. 8.4 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 19.0 ppb (18) N/A N/A 4.3 μg/m3 (18) 18.0
 
Oct. 29, 2020, 7 a.m. 8.9 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 18.0 ppb (17) N/A N/A 3.5 μg/m3 (15) 17.0
 
Oct. 29, 2020, 6 a.m. 10.0 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) N/A N/A 4.6 μg/m3 (20) 20.0
 
Oct. 29, 2020, 5 a.m. 6.6 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (22) N/A N/A 5.6 μg/m3 (24) 24.0
 
Oct. 29, 2020, 4 a.m. 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) N/A N/A 5.5 μg/m3 (23) 24.0
 
Oct. 29, 2020, 3 a.m. 5.2 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) N/A N/A 5.7 μg/m3 (24) 24.0
 
Oct. 29, 2020, 2 a.m. 6.5 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 29, 2020, 1 a.m. 9.3 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) N/A N/A 9.3 μg/m3 (39) 39.0
 
Oct. 29, 2020, midnight 6.8 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) N/A N/A 7.9 μg/m3 (33) 33.0
 
Oct. 28, 2020, 11 p.m. 4.5 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) N/A N/A 6.9 μg/m3 (29) 35.0
 
Oct. 28, 2020, 10 p.m. 5.7 ppb (6) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) N/A N/A 6.7 μg/m3 (28) 35.0
 
Oct. 28, 2020, 9 p.m. 13.1 ppb (13) 4.1 ppb (4) N/A 9.0 ppb (9) N/A N/A 36.0 ppb (34) N/A N/A 12.2 μg/m3 (52) 52.0
 
Oct. 28, 2020, 8 p.m. 11.4 ppb (11) 3.5 ppb (4) N/A 8.0 ppb (8) N/A N/A 38.0 ppb (36) N/A N/A 15.0 μg/m3 (58) 58.0
 
Oct. 28, 2020, 7 p.m. 10.7 ppb (11) 3.5 ppb (4) N/A 7.0 ppb (7) N/A N/A 37.0 ppb (35) N/A N/A 15.3 μg/m3 (58) 58.0
 
Oct. 28, 2020, 6 p.m. 8.5 ppb (9) 2.9 ppb (3) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (36) N/A N/A 13.3 μg/m3 (54) 54.0
 
Oct. 28, 2020, 5 p.m. 10.3 ppb (10) 3.5 ppb (4) N/A 7.0 ppb (7) N/A N/A 36.0 ppb (34) N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 28, 2020, 4 p.m. 21.3 ppb (21) 8.0 ppb (8) N/A 13.0 ppb (13) N/A N/A 29.0 ppb (27) N/A N/A 14.6 μg/m3 (57) 57.0
 
Oct. 28, 2020, 3 p.m. 20.1 ppb (19) 6.2 ppb (6) N/A 14.0 ppb (14) N/A N/A 26.0 ppb (25) N/A N/A 12.2 μg/m3 (52) 52.0
 
Oct. 28, 2020, 2 p.m. 17.7 ppb (17) 3.5 ppb (4) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) N/A N/A 10.7 μg/m3 (45) 45.0
 
Oct. 28, 2020, 1 p.m. 18.6 ppb (18) 3.0 ppb (3) N/A 16.0 ppb (16) N/A N/A 17.0 ppb (16) N/A N/A 9.8 μg/m3 (41) 41.0
 
Oct. 28, 2020, noon 9.7 ppb (10) 0.7 ppb (1) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) N/A N/A 7.2 μg/m3 (31) 31.0
 
Oct. 28, 2020, 11 a.m. 7.0 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) N/A N/A 6.8 μg/m3 (29) 29.0
 
Oct. 28, 2020, 10 a.m. 6.3 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) N/A N/A 7.4 μg/m3 (31) 31.0
 
Oct. 28, 2020, 9 a.m. 5.5 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) N/A N/A 7.9 μg/m3 (33) 33.0
 
Oct. 28, 2020, 8 a.m. 6.0 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) N/A N/A 7.9 μg/m3 (33) 33.0
 
Oct. 28, 2020, 7 a.m. 5.3 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) N/A N/A 6.2 μg/m3 (26) 26.0
 
Oct. 28, 2020, 6 a.m. 6.4 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) N/A N/A 5.7 μg/m3 (24) 25.0
 
Oct. 28, 2020, 5 a.m. 6.3 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) N/A N/A 5.8 μg/m3 (25) 25.0
 
Oct. 28, 2020, 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 7.2 μg/m3 (31) 31.0
 
Oct. 28, 2020, 3 a.m. 7.5 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) N/A N/A 7.3 μg/m3 (31) 31.0
 
Oct. 28, 2020, 2 a.m. 8.3 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) N/A N/A 10.2 μg/m3 (43) 43.0
 
Oct. 28, 2020, 1 a.m. 12.2 ppb (12) 1.6 ppb (2) N/A 11.0 ppb (11) N/A N/A 28.0 ppb (26) N/A N/A 10.6 μg/m3 (45) 45.0
 
Oct. 28, 2020, midnight 7.4 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (36) N/A N/A 8.8 μg/m3 (37) 37.0
 
Oct. 27, 2020, 11 p.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A N/A 7.9 μg/m3 (33) 40.0
 
Oct. 27, 2020, 10 p.m. 3.7 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) N/A N/A 9.5 μg/m3 (40) 42.0
 
Oct. 27, 2020, 9 p.m. 3.9 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A N/A 11.9 μg/m3 (50) 50.0
 
Oct. 27, 2020, 8 p.m. 4.4 ppb (5) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A 13.2 μg/m3 (54) 54.0
 
Oct. 27, 2020, 7 p.m. 5.2 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) N/A N/A 12.8 μg/m3 (53) 53.0
 
Oct. 27, 2020, 6 p.m. 14.2 ppb (14) 5.4 ppb (6) N/A 9.0 ppb (9) N/A N/A 36.0 ppb (34) N/A N/A 13.8 μg/m3 (55) 55.0
 
Oct. 27, 2020, 5 p.m. 18.2 ppb (18) 7.3 ppb (7) N/A 11.0 ppb (11) N/A N/A 31.0 ppb (29) N/A N/A 13.4 μg/m3 (54) 54.0
 
Oct. 27, 2020, 4 p.m. 17.0 ppb (17) 6.6 ppb (7) N/A 11.0 ppb (11) N/A N/A 29.0 ppb (27) N/A N/A 12.3 μg/m3 (52) 52.0
 
Oct. 27, 2020, 3 p.m. 10.9 ppb (11) 3.1 ppb (3) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) N/A N/A 10.2 μg/m3 (43) 43.0
 
Oct. 27, 2020, 2 p.m. 18.3 ppb (18) 4.2 ppb (4) N/A 14.0 ppb (14) N/A N/A 18.0 ppb (17) N/A N/A 10.9 μg/m3 (46) 46.0
 
Oct. 27, 2020, 1 p.m. 12.8 ppb (13) 1.7 ppb (2) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) N/A N/A 9.2 μg/m3 (39) 39.0
 
Oct. 27, 2020, noon 12.7 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (12) N/A N/A 19.0 ppb (18) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 27, 2020, 11 a.m. 9.4 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 22.0 ppb (21) N/A N/A 7.5 μg/m3 (32) 32.0
 
Oct. 27, 2020, 10 a.m. 9.9 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 27, 2020, 9 a.m. 12.6 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (12) N/A N/A 18.0 ppb (17) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 27, 2020, 8 a.m. 11.7 ppb (12) 0.7 ppb (1) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) N/A N/A 6.6 μg/m3 (28) 28.0
 
Oct. 27, 2020, 7 a.m. 10.8 ppb (11) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) N/A N/A 5.9 μg/m3 (25) 25.0
 
Oct. 27, 2020, 6 a.m. 11.2 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 27, 2020, 5 a.m. 6.1 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 27, 2020, 4 a.m. 7.2 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) N/A N/A 6.7 μg/m3 (28) 28.0
 
Oct. 27, 2020, 3 a.m. 7.5 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) N/A N/A 6.6 μg/m3 (28) 28.0
 
Oct. 27, 2020, 2 a.m. 7.9 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) N/A N/A 6.1 μg/m3 (26) 26.0
 
Oct. 27, 2020, 1 a.m. 7.2 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 30.0 ppb (28) N/A N/A 6.2 μg/m3 (26) 28.0
 
Oct. 27, 2020, midnight 4.7 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) N/A N/A 5.5 μg/m3 (23) 35.0
 
Oct. 26, 2020, 11 p.m. 4.9 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) N/A N/A 6.3 μg/m3 (27) 37.0
 
Oct. 26, 2020, 10 p.m. 3.3 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 5.2 μg/m3 (22) 39.0
 
Oct. 26, 2020, 9 p.m. 2.2 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A 4.4 μg/m3 (19) 40.0
 
Oct. 26, 2020, 8 p.m. 2.2 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 4.4 μg/m3 (19) 39.0
 
Oct. 26, 2020, 7 p.m. 3.0 ppb (3) 1.5 ppb (2) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A 4.8 μg/m3 (20) 36.0
 
Oct. 26, 2020, 6 p.m. 2.6 ppb (3) 1.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A 4.5 μg/m3 (19) 35.0
 
Oct. 26, 2020, 5 p.m. 2.4 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A N/A 4.1 μg/m3 (18) 33.0
 
Oct. 26, 2020, 4 p.m. 3.7 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
Oct. 26, 2020, 3 p.m. 5.0 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A 4.2 μg/m3 (18) 29.0
 
Oct. 26, 2020, 2 p.m. 3.8 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
Oct. 26, 2020, 1 p.m. 2.8 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A N/A 4.2 μg/m3 (18) 28.0
 
Oct. 26, 2020, noon 1.9 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A N/A 4.3 μg/m3 (18) 28.0
 
Oct. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.3 μg/m3 (18) 28.0
 
Oct. 26, 2020, 10 a.m. 1.7 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A N/A 4.8 μg/m3 (20) 28.0
 
Oct. 26, 2020, 9 a.m. 1.5 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A N/A 4.6 μg/m3 (20) 28.0
 
Oct. 26, 2020, 8 a.m. 2.8 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A N/A 4.4 μg/m3 (19) 27.0
 
Oct. 26, 2020, 7 a.m. 4.7 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) N/A N/A 4.5 μg/m3 (19) 25.0
 
Oct. 26, 2020, 6 a.m. 5.1 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) N/A N/A 4.6 μg/m3 (20) 25.0
 
Oct. 26, 2020, 5 a.m. 4.7 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A N/A 4.5 μg/m3 (19) 26.0
 
Oct. 26, 2020, 4 a.m. 3.6 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A N/A 4.5 μg/m3 (19) 27.0
 
Oct. 26, 2020, 3 a.m. 3.2 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A N/A 4.4 μg/m3 (19) 27.0
 
Oct. 26, 2020, 2 a.m. 2.6 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A N/A 4.1 μg/m3 (18) 29.0
 
Oct. 26, 2020, 1 a.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A 4.3 μg/m3 (18) 30.0
 
Oct. 26, 2020, midnight 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A 4.9 μg/m3 (21) 29.0
 
Oct. 25, 2020, 11 p.m. 3.9 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A N/A 5.5 μg/m3 (23) 28.0
 
Oct. 25, 2020, 10 p.m. 3.4 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A 5.2 μg/m3 (22) 29.0
 
Oct. 25, 2020, 9 p.m. 3.5 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A 5.2 μg/m3 (22) 29.0
 
Oct. 25, 2020, 8 p.m. 3.9 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A N/A 5.4 μg/m3 (23) 28.0
 
Oct. 25, 2020, 7 p.m. 2.5 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A N/A 5.7 μg/m3 (24) 27.0
 
Oct. 25, 2020, 6 p.m. 3.0 ppb (3) 1.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A N/A 4.8 μg/m3 (20) 27.0
 
Oct. 25, 2020, 5 p.m. 2.9 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
Oct. 25, 2020, 4 p.m. 2.5 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A N/A 4.1 μg/m3 (18) 27.0
 
Oct. 25, 2020, 3 p.m. 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
Oct. 25, 2020, 2 p.m. 1.6 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A N/A 1.5 μg/m3 (7) 34.0
 
Oct. 25, 2020, 1 p.m. 1.2 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A N/A 0.9 μg/m3 (4) 34.0
 
Oct. 25, 2020, noon 1.0 ppb (1) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A N/A 1.3 μg/m3 (6) 31.0
 
Oct. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 2.2 μg/m3 (10) 31.0
 
Oct. 25, 2020, 10 a.m. 0.8 ppb (1) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) N/A N/A 2.5 μg/m3 (11) 32.0
 
Oct. 25, 2020, 9 a.m. 0.7 ppb (1) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
Oct. 25, 2020, 8 a.m. 0.7 ppb (1) 0.5 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
 
Oct. 25, 2020, 7 a.m. 0.7 ppb (1) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A N/A 2.1 μg/m3 (9) 36.0
 
Oct. 25, 2020, 6 a.m. 0.8 ppb (1) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A N/A 1.9 μg/m3 (8) 34.0
 
Oct. 25, 2020, 5 a.m. 0.9 ppb (1) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A N/A 2.2 μg/m3 (10) 31.0
 
Oct. 25, 2020, 4 a.m. 1.7 ppb (2) 0.5 ppb (1) 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. 25, 2020, 3 a.m. 5.8 ppb (6) 0.5 ppb (1) 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
 
Oct. 25, 2020, 2 a.m. 7.3 ppb (7) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) N/A N/A 8.9 μg/m3 (38) 38.0
 
Oct. 25, 2020, 1 a.m. 8.0 ppb (8) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) N/A N/A 7.7 μg/m3 (33) 33.0
 
Oct. 25, 2020, midnight 10.3 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (10) N/A N/A 34.0 ppb (32) N/A N/A 9.5 μg/m3 (40) 40.0
 
Oct. 24, 2020, 11 p.m. 14.7 ppb (14) 2.0 ppb (2) N/A 13.0 ppb (13) N/A N/A 31.0 ppb (29) N/A N/A 11.0 μg/m3 (46) 46.0
 
Oct. 24, 2020, 10 p.m. 16.1 ppb (16) 4.4 ppb (5) N/A 12.0 ppb (12) N/A N/A 32.0 ppb (30) N/A N/A 11.9 μg/m3 (50) 50.0
 
Oct. 24, 2020, 9 p.m. 7.1 ppb (7) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) N/A N/A 10.5 μg/m3 (44) 44.0
 
Oct. 24, 2020, 8 p.m. 5.2 ppb (5) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 24, 2020, 7 p.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A N/A 8.3 μg/m3 (35) 38.0
 
Oct. 24, 2020, 6 p.m. 2.9 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A 7.7 μg/m3 (33) 37.0
 
Oct. 24, 2020, 5 p.m. 4.0 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 6.5 μg/m3 (28) 36.0
 
Oct. 24, 2020, 4 p.m. 7.9 ppb (8) 1.5 ppb (2) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) N/A N/A 6.2 μg/m3 (26) 31.0
 
Oct. 24, 2020, 3 p.m. 11.2 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (10) N/A N/A 28.0 ppb (26) N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 24, 2020, 2 p.m. 9.2 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (9) N/A N/A 30.0 ppb (28) N/A N/A 5.8 μg/m3 (25) 28.0
 
Oct. 24, 2020, 1 p.m. 7.6 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) N/A N/A 4.7 μg/m3 (20) 26.0
 
Oct. 24, 2020, noon 5.3 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) N/A N/A 3.9 μg/m3 (17) 27.0
 
Oct. 24, 2020, 11 a.m. 4.4 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 3.7 μg/m3 (16) 16.0
 
Oct. 24, 2020, 10 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 3.4 μg/m3 (15) 29.0
 
Oct. 24, 2020, 9 a.m. 5.8 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) N/A N/A 3.7 μg/m3 (16) 28.0
 
Oct. 24, 2020, 8 a.m. 7.4 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Oct. 24, 2020, 7 a.m. 4.1 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A N/A 3.6 μg/m3 (16) 32.0