ID: 9722

AQSQID: 113490353015

Site Name: Utah Tech. Center

Added: June 19, 2021, 5:40 a.m.

Updated: Oct. 22, 2021, 3:11 p.m.

Location: Salt Lake City (Jordan Meadows), UT

Reporting: True, Located: True

Current AQI: 42.0

Salt Lake City (Jordan Meadows) UT, US: 40.7771, -111.945

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 22, 2021, 1 p.m. 44.0 ppb (42) 12.5 ppb (12) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 4.0 ppb (4) 0.2 ppb (3) N/A 5.9 μg/m3 (25) 42.0
 
Oct. 22, 2021, noon 31.1 ppb (30) 4.6 ppb (5) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 7.0 ppb (7) 0.1 ppb (2) N/A 5.2 μg/m3 (22) 30.0
 
Oct. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 5.0 ppb (5) 0.1 ppb (2) N/A 6.2 μg/m3 (26) 26.0
 
Oct. 22, 2021, 10 a.m. 22.4 ppb (22) 1.0 ppb (1) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 12.0 ppb (12) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Oct. 22, 2021, 9 a.m. 43.0 ppb (41) 11.1 ppb (11) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 3.0 ppb (3) 0.2 ppb (3) N/A 8.8 μg/m3 (37) 41.0
 
Oct. 22, 2021, 8 a.m. 45.6 ppb (44) 12.3 ppb (12) N/A 33.0 ppb (32) N/A 1.0 ppb (2) 2.0 ppb (2) 0.2 ppb (3) N/A 8.0 μg/m3 (34) 44.0
 
Oct. 22, 2021, 7 a.m. 32.7 ppb (31) 2.0 ppb (2) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 4.0 ppb (4) 0.2 ppb (3) N/A 8.5 μg/m3 (36) 36.0
 
Oct. 22, 2021, 6 a.m. 32.5 ppb (31) 2.5 ppb (3) N/A 30.0 ppb (29) N/A 1.0 ppb (2) 7.0 ppb (7) 0.2 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
Oct. 22, 2021, 5 a.m. 45.5 ppb (43) 8.2 ppb (8) N/A 37.0 ppb (35) N/A 1.0 ppb (2) 2.0 ppb (2) 0.4 ppb (5) N/A 10.4 μg/m3 (44) 44.0
 
Oct. 22, 2021, 4 a.m. 46.4 ppb (44) 9.6 ppb (10) N/A 37.0 ppb (35) N/A 1.0 ppb (2) 3.0 ppb (3) 0.3 ppb (4) N/A 10.0 μg/m3 (42) 44.0
 
Oct. 22, 2021, 3 a.m. 41.5 ppb (40) 5.5 ppb (6) N/A 36.0 ppb (34) N/A 1.0 ppb (2) 3.0 ppb (3) 0.4 ppb (5) N/A 15.1 μg/m3 (58) 58.0
 
Oct. 22, 2021, 2 a.m. 36.1 ppb (35) 3.3 ppb (4) N/A 33.0 ppb (32) N/A 1.0 ppb (2) 7.0 ppb (7) 0.3 ppb (4) N/A 12.3 μg/m3 (52) 52.0
 
Oct. 22, 2021, 1 a.m. 25.9 ppb (25) 1.3 ppb (2) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 19.0 ppb (18) 0.1 ppb (2) N/A 8.8 μg/m3 (37) 37.0
 
Oct. 22, 2021, midnight 13.0 ppb (13) 0.9 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 36.0 ppb (34) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 34.0
 
Oct. 21, 2021, 11 p.m. 9.8 ppb (10) 1.5 ppb (2) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 45.0 ppb (42) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 42.0
 
Oct. 21, 2021, 10 p.m. 15.8 ppb (15) 3.7 ppb (4) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 38.0 ppb (36) 0.0 ppb (0) N/A 10.8 μg/m3 (46) 46.0
 
Oct. 21, 2021, 9 p.m. 14.9 ppb (15) 4.1 ppb (4) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 40.0 ppb (38) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 38.0
 
Oct. 21, 2021, 8 p.m. 16.2 ppb (16) 4.9 ppb (5) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 37.0 ppb (35) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 35.0
 
Oct. 21, 2021, 7 p.m. 22.8 ppb (22) 8.0 ppb (8) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 32.0 ppb (30) 0.1 ppb (2) N/A 9.6 μg/m3 (40) 40.0
 
Oct. 21, 2021, 6 p.m. 28.5 ppb (27) 11.0 ppb (11) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 27.0 ppb (25) 0.1 ppb (2) N/A 11.4 μg/m3 (48) 48.0
 
Oct. 21, 2021, 5 p.m. 28.3 ppb (27) 11.2 ppb (11) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 26.0 ppb (25) 0.1 ppb (2) N/A 9.2 μg/m3 (39) 39.0
 
Oct. 21, 2021, 4 p.m. 41.3 ppb (39) 19.4 ppb (19) N/A 22.0 ppb (21) N/A 2.0 ppb (3) 20.0 ppb (19) 0.2 ppb (3) N/A 8.3 μg/m3 (35) 39.0
 
Oct. 21, 2021, 3 p.m. 78.3 ppb (77) 46.1 ppb (44) N/A 32.0 ppb (31) N/A 2.0 ppb (3) 7.0 ppb (7) 0.4 ppb (5) N/A 11.3 μg/m3 (48) 77.0
 
Oct. 21, 2021, 2 p.m. 79.6 ppb (79) 44.7 ppb (43) N/A 35.0 ppb (34) N/A 1.0 ppb (2) 3.0 ppb (3) 0.5 ppb (6) N/A 10.5 μg/m3 (44) 79.0
 
Oct. 21, 2021, 1 p.m. 56.6 ppb (54) 21.9 ppb (21) N/A 35.0 ppb (34) N/A 1.0 ppb (2) 1.0 ppb (1) 0.4 ppb (5) N/A 7.9 μg/m3 (33) 54.0
 
Oct. 21, 2021, noon 30.8 ppb (30) 4.6 ppb (5) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 7.0 ppb (7) 0.2 ppb (3) N/A 6.4 μg/m3 (27) 30.0
 
Oct. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 14.0 ppb (13) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 21, 2021, 10 a.m. 37.4 ppb (36) 7.3 ppb (7) N/A 30.0 ppb (29) N/A 1.0 ppb (2) 4.0 ppb (4) 0.2 ppb (3) N/A 6.3 μg/m3 (27) 36.0
 
Oct. 21, 2021, 9 a.m. 61.3 ppb (59) 25.4 ppb (24) N/A 36.0 ppb (34) N/A 1.0 ppb (2) 1.0 ppb (1) 0.2 ppb (3) N/A 9.3 μg/m3 (39) 59.0
 
Oct. 21, 2021, 8 a.m. 28.9 ppb (28) 3.0 ppb (3) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 9.0 ppb (9) 0.1 ppb (2) N/A 6.2 μg/m3 (26) 28.0
 
Oct. 21, 2021, 7 a.m. 27.8 ppb (27) 3.5 ppb (4) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 13.0 ppb (13) 0.1 ppb (2) N/A 5.7 μg/m3 (24) 27.0
 
Oct. 21, 2021, 6 a.m. 50.8 ppb (48) 15.9 ppb (15) N/A 35.0 ppb (34) N/A 1.0 ppb (2) 2.0 ppb (2) 0.3 ppb (4) N/A 8.3 μg/m3 (35) 48.0
 
Oct. 21, 2021, 5 a.m. 72.8 ppb (72) 35.1 ppb (34) N/A 38.0 ppb (36) N/A 1.0 ppb (2) 1.0 ppb (1) 0.4 ppb (5) N/A 9.9 μg/m3 (42) 72.0
 
Oct. 21, 2021, 4 a.m. 59.0 ppb (57) 24.3 ppb (23) N/A 35.0 ppb (34) N/A 1.0 ppb (2) 2.0 ppb (2) 0.4 ppb (5) N/A 15.1 μg/m3 (58) 58.0
 
Oct. 21, 2021, 3 a.m. 40.8 ppb (39) 7.3 ppb (7) N/A 33.0 ppb (32) N/A 1.0 ppb (2) 3.0 ppb (3) 0.3 ppb (4) N/A 16.4 μg/m3 (61) 61.0
 
Oct. 21, 2021, 2 a.m. 28.1 ppb (27) 1.9 ppb (2) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 11.0 ppb (11) 0.1 ppb (2) N/A 9.9 μg/m3 (42) 42.0
 
Oct. 21, 2021, 1 a.m. 24.9 ppb (24) 0.9 ppb (1) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 17.0 ppb (16) 0.1 ppb (2) N/A 9.6 μg/m3 (40) 40.0
 
Oct. 21, 2021, midnight 20.2 ppb (20) 1.2 ppb (2) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 24.0 ppb (23) 0.0 ppb (0) N/A 7.8 μg/m3 (33) 33.0
 
Oct. 20, 2021, 11 p.m. 13.0 ppb (13) 1.5 ppb (2) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 35.0 ppb (33) 0.0 ppb (0) N/A 4.7 μg/m3 (20) 33.0
 
Oct. 20, 2021, 10 p.m. 13.9 ppb (14) 2.4 ppb (3) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 37.0 ppb (35) 0.0 ppb (0) N/A 4.6 μg/m3 (20) 35.0
 
Oct. 20, 2021, 9 p.m. 10.5 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 39.0 ppb (37) 0.0 ppb (0) N/A 4.7 μg/m3 (20) 37.0
 
Oct. 20, 2021, 8 p.m. 8.2 ppb (8) 2.5 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 43.0 ppb (40) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 40.0
 
Oct. 20, 2021, 7 p.m. 8.6 ppb (9) 2.8 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 39.0 ppb (37) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 37.0
 
Oct. 20, 2021, 6 p.m. 9.9 ppb (10) 3.4 ppb (4) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 35.0 ppb (33) 0.0 ppb (0) N/A 5.3 μg/m3 (23) 33.0
 
Oct. 20, 2021, 5 p.m. 11.6 ppb (11) 4.1 ppb (4) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 32.0 ppb (30) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 30.0
 
Oct. 20, 2021, 4 p.m. 13.9 ppb (14) 4.5 ppb (5) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 29.0 ppb (27) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 27.0
 
Oct. 20, 2021, 3 p.m. 29.4 ppb (28) 10.0 ppb (10) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 19.0 ppb (18) 0.1 ppb (2) N/A 5.9 μg/m3 (25) 28.0
 
Oct. 20, 2021, 2 p.m. 45.5 ppb (43) 16.3 ppb (16) N/A 29.0 ppb (28) N/A 1.0 ppb (2) 8.0 ppb (8) 0.2 ppb (3) N/A 6.6 μg/m3 (28) 43.0
 
Oct. 20, 2021, 1 p.m. 43.6 ppb (42) 13.0 ppb (13) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 2.0 ppb (2) 0.2 ppb (3) N/A 6.9 μg/m3 (29) 42.0
 
Oct. 20, 2021, noon 26.6 ppb (26) 4.0 ppb (4) N/A 23.0 ppb (22) N/A 1.0 ppb (2) 10.0 ppb (10) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 26.0
 
Oct. 20, 2021, 11 a.m. 35.2 ppb (34) 8.4 ppb (8) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 4.0 ppb (4) 0.1 ppb (2) N/A 5.2 μg/m3 (22) 34.0
 
Oct. 20, 2021, 10 a.m. 37.6 ppb (36) 9.8 ppb (10) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 2.0 ppb (2) 0.1 ppb (2) N/A 6.9 μg/m3 (29) 36.0
 
Oct. 20, 2021, 9 a.m. 31.8 ppb (30) 4.2 ppb (4) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 2.0 ppb (2) 0.2 ppb (3) N/A 8.9 μg/m3 (38) 38.0
 
Oct. 20, 2021, 8 a.m. 23.4 ppb (23) 2.0 ppb (2) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 7.0 ppb (7) 0.1 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Oct. 20, 2021, 7 a.m. 32.9 ppb (32) 5.7 ppb (6) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 3.0 ppb (3) 0.1 ppb (2) N/A 6.4 μg/m3 (27) 32.0
 
Oct. 20, 2021, 6 a.m. 33.3 ppb (32) 6.8 ppb (7) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 5.0 ppb (5) 0.1 ppb (2) N/A 7.2 μg/m3 (31) 32.0
 
Oct. 20, 2021, 5 a.m. 33.8 ppb (32) 8.9 ppb (9) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 4.0 ppb (4) 0.2 ppb (3) N/A 6.9 μg/m3 (29) 32.0
 
Oct. 20, 2021, 4 a.m. 35.5 ppb (34) 7.4 ppb (7) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 3.0 ppb (3) 0.2 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 20, 2021, 3 a.m. 37.6 ppb (36) 9.5 ppb (9) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 2.0 ppb (2) 0.2 ppb (3) N/A 9.3 μg/m3 (39) 39.0
 
Oct. 20, 2021, 2 a.m. 24.8 ppb (24) 1.9 ppb (2) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 11.0 ppb (11) 0.1 ppb (2) N/A 6.8 μg/m3 (29) 29.0
 
Oct. 20, 2021, 1 a.m. 14.2 ppb (14) 0.7 ppb (1) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) N/A 5.1 μg/m3 (22) 22.0
 
Oct. 20, 2021, midnight 14.0 ppb (14) 1.2 ppb (2) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 23.0 ppb (22) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 22.0
 
Oct. 19, 2021, 11 p.m. 11.5 ppb (11) 2.2 ppb (3) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 28.0 ppb (26) 0.0 ppb (0) N/A 3.9 μg/m3 (17) 26.0
 
Oct. 19, 2021, 10 p.m. 11.2 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 29.0 ppb (27) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 27.0
 
Oct. 19, 2021, 9 p.m. 11.3 ppb (11) 2.8 ppb (3) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 30.0 ppb (28) 0.0 ppb (0) N/A 2.6 μg/m3 (11) 28.0
 
Oct. 19, 2021, 8 p.m. 18.2 ppb (18) 3.8 ppb (4) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 23.0 ppb (22) 0.1 ppb (2) N/A 5.1 μg/m3 (22) 22.0
 
Oct. 19, 2021, 7 p.m. 18.6 ppb (18) 4.9 ppb (5) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 24.0 ppb (23) 0.0 ppb (0) N/A 3.9 μg/m3 (17) 23.0
 
Oct. 19, 2021, 6 p.m. 20.4 ppb (20) 4.5 ppb (5) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 21.0 ppb (20) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 20.0
 
Oct. 19, 2021, 5 p.m. 15.4 ppb (15) 3.2 ppb (4) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 25.0 ppb (24) 0.0 ppb (0) N/A 2.0 μg/m3 (9) 24.0
 
Oct. 19, 2021, 4 p.m. 20.7 ppb (20) 2.9 ppb (3) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 20.0 ppb (19) 0.0 ppb (0) N/A 2.7 μg/m3 (12) 20.0
 
Oct. 19, 2021, 3 p.m. 21.2 ppb (20) 3.4 ppb (4) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 24.0 ppb (23) 0.0 ppb (0) N/A 3.5 μg/m3 (15) 23.0
 
Oct. 19, 2021, 2 p.m. 15.2 ppb (15) 0.7 ppb (1) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 27.0 ppb (25) 0.0 ppb (0) N/A 1.8 μg/m3 (8) 25.0
 
Oct. 19, 2021, 1 p.m. 17.8 ppb (17) 1.1 ppb (2) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 28.0 ppb (26) 0.0 ppb (0) N/A 1.2 μg/m3 (5) 26.0
 
Oct. 19, 2021, noon 9.9 ppb (10) 0.7 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 37.0 ppb (35) 0.0 ppb (0) N/A 0.9 μg/m3 (4) 35.0
 
Oct. 19, 2021, 11 a.m. 8.5 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 39.0 ppb (37) 0.0 ppb (0) N/A 1.1 μg/m3 (5) 37.0
 
Oct. 19, 2021, 10 a.m. 5.8 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 44.0 ppb (41) 0.0 ppb (0) N/A 1.0 μg/m3 (5) 41.0
 
Oct. 19, 2021, 9 a.m. 3.9 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 46.0 ppb (43) 0.0 ppb (0) N/A 1.0 μg/m3 (5) 43.0
 
Oct. 19, 2021, 8 a.m. 4.9 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 44.0 ppb (41) 0.0 ppb (0) N/A 1.6 μg/m3 (7) 41.0
 
Oct. 19, 2021, 7 a.m. 11.5 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 31.0 ppb (29) 0.0 ppb (0) N/A 4.6 μg/m3 (20) 29.0
 
Oct. 19, 2021, 6 a.m. 8.9 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 32.0 ppb (30) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 30.0
 
Oct. 19, 2021, 5 a.m. 12.0 ppb (12) 0.2 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 31.0 ppb (29) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 29.0
 
Oct. 19, 2021, 4 a.m. 15.9 ppb (15) 0.4 ppb (1) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 27.0 ppb (25) 0.0 ppb (0) N/A 4.9 μg/m3 (21) 25.0
 
Oct. 19, 2021, 3 a.m. 13.8 ppb (14) 0.3 ppb (1) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 33.0 ppb (31) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 31.0
 
Oct. 19, 2021, 2 a.m. 12.3 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 38.0 ppb (36) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 36.0
 
Oct. 19, 2021, 1 a.m. 13.3 ppb (13) 0.3 ppb (1) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 37.0 ppb (35) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 35.0
 
Oct. 19, 2021, midnight 6.9 ppb (7) 0.3 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 45.0 ppb (42) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 42.0
 
Oct. 18, 2021, 11 p.m. 8.0 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 42.0 ppb (39) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 39.0
 
Oct. 18, 2021, 10 p.m. 11.2 ppb (11) 0.8 ppb (1) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 39.0 ppb (37) 0.0 ppb (0) N/A 4.7 μg/m3 (20) 37.0
 
Oct. 18, 2021, 9 p.m. 16.1 ppb (16) 1.9 ppb (2) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 36.0 ppb (34) 0.0 ppb (0) N/A 7.5 μg/m3 (32) 34.0
 
Oct. 18, 2021, 8 p.m. 9.1 ppb (9) 1.5 ppb (2) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 40.0 ppb (38) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 38.0
 
Oct. 18, 2021, 7 p.m. 10.7 ppb (11) 2.6 ppb (3) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 39.0 ppb (37) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 37.0
 
Oct. 18, 2021, 6 p.m. 18.7 ppb (18) 4.6 ppb (5) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 30.0 ppb (28) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 28.0
 
Oct. 18, 2021, 5 p.m. 27.8 ppb (27) 6.9 ppb (7) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 20.0 ppb (19) 0.0 ppb (0) N/A 6.8 μg/m3 (29) 29.0
 
Oct. 18, 2021, 4 p.m. 19.0 ppb (18) 3.5 ppb (4) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 26.0 ppb (25) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 25.0
 
Oct. 18, 2021, 3 p.m. 33.7 ppb (32) 8.6 ppb (9) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 15.0 ppb (14) 0.1 ppb (2) N/A 6.1 μg/m3 (26) 32.0
 
Oct. 18, 2021, 2 p.m. 28.7 ppb (28) 4.9 ppb (5) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 16.0 ppb (15) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 28.0
 
Oct. 18, 2021, 1 p.m. 29.2 ppb (28) 2.3 ppb (3) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 15.0 ppb (14) 0.0 ppb (0) N/A 4.6 μg/m3 (20) 28.0
 
Oct. 18, 2021, noon 21.7 ppb (21) 0.8 ppb (1) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 17.0 ppb (16) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 21.0
 
Oct. 18, 2021, 11 a.m. 13.0 ppb (13) 0.5 ppb (1) N/A 13.0 ppb (13) N/A N/A 25.0 ppb (24) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 24.0
 
Oct. 18, 2021, 10 a.m. 11.6 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 29.0 ppb (27) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 27.0
 
Oct. 18, 2021, 9 a.m. 11.4 ppb (11) 1.1 ppb (2) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 34.0 ppb (32) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 32.0
 
Oct. 18, 2021, 8 a.m. 27.4 ppb (26) 2.4 ppb (3) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 19.0 ppb (18) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 26.0
 
Oct. 18, 2021, 7 a.m. 14.9 ppb (15) 0.5 ppb (1) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 26.0 ppb (25) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 25.0
 
Oct. 18, 2021, 6 a.m. 12.7 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 28.0 ppb (26) 0.0 ppb (0) N/A 3.5 μg/m3 (15) 26.0
 
Oct. 18, 2021, 5 a.m. 25.9 ppb (25) 1.8 ppb (2) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 18.0 ppb (17) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 25.0
 
Oct. 18, 2021, 4 a.m. 31.4 ppb (30) 2.3 ppb (3) N/A 29.0 ppb (28) N/A 1.0 ppb (2) 16.0 ppb (15) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 30.0
 
Oct. 18, 2021, 3 a.m. 31.1 ppb (30) 2.1 ppb (2) N/A 29.0 ppb (28) N/A 1.0 ppb (2) 17.0 ppb (16) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 30.0
 
Oct. 18, 2021, 2 a.m. 42.8 ppb (41) 4.8 ppb (5) N/A 38.0 ppb (36) N/A 1.0 ppb (2) 11.0 ppb (11) 0.1 ppb (2) N/A 5.9 μg/m3 (25) 41.0
 
Oct. 18, 2021, 1 a.m. 22.8 ppb (22) 0.5 ppb (1) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 28.0 ppb (26) 0.0 ppb (0) N/A 5.8 μg/m3 (25) 26.0
 
Oct. 18, 2021, midnight 12.2 ppb (12) 0.4 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 39.0 ppb (37) 0.0 ppb (0) N/A 2.7 μg/m3 (12) 37.0
 
Oct. 17, 2021, 11 p.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 2.3 μg/m3 (10) 47.0
 
Oct. 17, 2021, 10 p.m. 2.4 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 2.2 μg/m3 (10) 48.0
 
Oct. 17, 2021, 9 p.m. 2.6 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 49.0 ppb (46) N/A N/A 2.4 μg/m3 (10) 46.0
 
Oct. 17, 2021, 8 p.m. 4.2 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 2.6 μg/m3 (11) 44.0
 
Oct. 17, 2021, 7 p.m. 4.9 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 45.0 ppb (42) N/A N/A 2.6 μg/m3 (11) 42.0
 
Oct. 17, 2021, 6 p.m. 7.4 ppb (7) 2.2 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 40.0 ppb (38) 0.0 ppb (0) N/A 2.8 μg/m3 (12) 38.0
 
Oct. 17, 2021, 5 p.m. 7.5 ppb (8) 2.3 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 38.0 ppb (36) 0.0 ppb (0) N/A 2.9 μg/m3 (13) 36.0
 
Oct. 17, 2021, 4 p.m. 10.8 ppb (11) 3.4 ppb (4) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 33.0 ppb (31) 0.0 ppb (0) N/A 3.4 μg/m3 (15) 31.0
 
Oct. 17, 2021, 3 p.m. 12.0 ppb (12) 3.3 ppb (4) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 29.0 ppb (27) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 27.0
 
Oct. 17, 2021, 2 p.m. 14.8 ppb (14) 2.2 ppb (3) N/A 13.0 ppb (13) N/A 1.0 ppb (2) 24.0 ppb (23) 0.0 ppb (0) N/A 4.7 μg/m3 (20) 23.0
 
Oct. 17, 2021, 1 p.m. 20.0 ppb (19) 1.1 ppb (2) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 17.0 ppb (16) 0.0 ppb (0) N/A 5.8 μg/m3 (25) 25.0
 
Oct. 17, 2021, noon 17.3 ppb (17) 0.6 ppb (1) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 17.0 ppb (16) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 21.0
 
Oct. 17, 2021, 11 a.m. 35.9 ppb (34) 9.2 ppb (9) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 6.6 μg/m3 (28) 34.0
 
Oct. 17, 2021, 10 a.m. 55.9 ppb (54) 23.2 ppb (22) N/A 33.0 ppb (32) N/A 1.0 ppb (2) 0.0 ppb (0) 0.3 ppb (4) N/A 14.1 μg/m3 (56) 56.0
 
Oct. 17, 2021, 9 a.m. 50.8 ppb (48) 18.2 ppb (18) N/A 33.0 ppb (32) N/A 1.0 ppb (2) 1.0 ppb (1) 0.3 ppb (4) N/A 16.4 μg/m3 (61) 61.0
 
Oct. 17, 2021, 8 a.m. 62.7 ppb (61) 30.8 ppb (30) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 1.0 ppb (1) 0.6 ppb (7) N/A 17.8 μg/m3 (63) 63.0
 
Oct. 17, 2021, 7 a.m. 74.2 ppb (73) 40.0 ppb (38) N/A 34.0 ppb (33) N/A 1.0 ppb (2) 1.0 ppb (1) 0.7 ppb (8) N/A 15.9 μg/m3 (59) 73.0
 
Oct. 17, 2021, 6 a.m. 66.8 ppb (65) 30.7 ppb (29) N/A 36.0 ppb (34) N/A 1.0 ppb (2) 1.0 ppb (1) 0.5 ppb (6) N/A 14.8 μg/m3 (57) 65.0
 
Oct. 17, 2021, 5 a.m. 63.0 ppb (61) 24.5 ppb (24) N/A 38.0 ppb (36) N/A 1.0 ppb (2) 1.0 ppb (1) 0.4 ppb (5) N/A 14.0 μg/m3 (55) 61.0
 
Oct. 17, 2021, 4 a.m. 65.5 ppb (64) 27.2 ppb (26) N/A 38.0 ppb (36) N/A 1.0 ppb (2) 1.0 ppb (1) 0.5 ppb (6) N/A 18.3 μg/m3 (65) 65.0
 
Oct. 17, 2021, 3 a.m. 47.9 ppb (46) 11.0 ppb (11) N/A 37.0 ppb (35) N/A 1.0 ppb (2) 3.0 ppb (3) 0.3 ppb (4) N/A 18.1 μg/m3 (64) 64.0
 
Oct. 17, 2021, 2 a.m. 33.0 ppb (32) 3.0 ppb (3) N/A 30.0 ppb (29) N/A 1.0 ppb (2) 10.0 ppb (10) 0.2 ppb (3) N/A 16.0 μg/m3 (60) 60.0
 
Oct. 17, 2021, 1 a.m. 18.5 ppb (18) 0.6 ppb (1) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 27.0 ppb (25) 0.0 ppb (0) N/A 11.8 μg/m3 (50) 50.0
 
Oct. 17, 2021, midnight 18.9 ppb (18) 1.8 ppb (2) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 31.0 ppb (29) 0.0 ppb (0) N/A 12.3 μg/m3 (52) 52.0
 
Oct. 16, 2021, 11 p.m. 11.7 ppb (12) 1.8 ppb (2) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 41.0 ppb (38) 0.0 ppb (0) N/A 8.4 μg/m3 (36) 38.0
 
Oct. 16, 2021, 10 p.m. 6.9 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 48.0 ppb (45) 0.0 ppb (0) N/A 5.1 μg/m3 (22) 45.0
 
Oct. 16, 2021, 9 p.m. 7.5 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 47.0 ppb (44) 0.0 ppb (0) N/A 4.9 μg/m3 (21) 44.0
 
Oct. 16, 2021, 8 p.m. 12.9 ppb (13) 3.3 ppb (4) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 42.0 ppb (39) 0.0 ppb (0) N/A 7.9 μg/m3 (33) 39.0
 
Oct. 16, 2021, 7 p.m. 18.5 ppb (18) 5.4 ppb (6) N/A 13.0 ppb (13) N/A 2.0 ppb (3) 39.0 ppb (37) 0.0 ppb (0) N/A 9.8 μg/m3 (41) 41.0
 
Oct. 16, 2021, 6 p.m. 24.4 ppb (24) 8.5 ppb (9) N/A 16.0 ppb (16) N/A 2.0 ppb (3) 34.0 ppb (32) 0.0 ppb (0) N/A 9.0 μg/m3 (38) 38.0
 
Oct. 16, 2021, 5 p.m. 31.1 ppb (30) 13.0 ppb (13) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 25.0 ppb (24) 0.0 ppb (0) N/A 9.2 μg/m3 (39) 39.0
 
Oct. 16, 2021, 4 p.m. 34.9 ppb (33) 16.1 ppb (16) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 20.0 ppb (19) 0.0 ppb (0) N/A 8.3 μg/m3 (35) 35.0
 
Oct. 16, 2021, 3 p.m. 33.8 ppb (32) 14.9 ppb (15) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 16.0 ppb (15) 0.0 ppb (0) N/A 8.3 μg/m3 (35) 35.0
 
Oct. 16, 2021, 2 p.m. 39.5 ppb (38) 14.9 ppb (15) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 9.0 ppb (9) 0.1 ppb (2) N/A 8.7 μg/m3 (37) 38.0
 
Oct. 16, 2021, 1 p.m. 57.4 ppb (55) 24.9 ppb (24) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 1.0 ppb (1) 0.2 ppb (3) N/A 8.2 μg/m3 (35) 55.0
 
Oct. 16, 2021, noon 60.4 ppb (58) 28.5 ppb (27) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 0.0 ppb (0) 0.2 ppb (3) N/A 8.7 μg/m3 (37) 58.0
 
Oct. 16, 2021, 11 a.m. 46.1 ppb (44) 14.3 ppb (14) N/A 32.0 ppb (31) N/A 1.0 ppb (2) N/A 0.1 ppb (2) N/A 7.8 μg/m3 (33) 44.0
 
Oct. 16, 2021, 10 a.m. 43.0 ppb (41) 13.3 ppb (13) N/A 30.0 ppb (29) N/A 1.0 ppb (2) 5.0 ppb (5) 0.1 ppb (2) N/A 7.7 μg/m3 (33) 41.0
 
Oct. 16, 2021, 9 a.m. 61.8 ppb (60) 29.8 ppb (29) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 1.0 ppb (1) 0.3 ppb (4) N/A 10.7 μg/m3 (45) 60.0
 
Oct. 16, 2021, 8 a.m. 88.3 ppb (88) 50.4 ppb (48) N/A 38.0 ppb (36) N/A 1.0 ppb (2) 1.0 ppb (1) 0.3 ppb (4) N/A 11.8 μg/m3 (50) 88.0
 
Oct. 16, 2021, 7 a.m. 42.3 ppb (40) 11.1 ppb (11) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 5.0 ppb (5) 0.1 ppb (2) N/A 8.7 μg/m3 (37) 40.0
 
Oct. 16, 2021, 6 a.m. 31.4 ppb (30) 3.9 ppb (4) N/A 27.0 ppb (26) N/A 0.0 ppb (0) 9.0 ppb (9) 0.1 ppb (2) N/A 5.4 μg/m3 (23) 30.0
 
Oct. 16, 2021, 5 a.m. 31.2 ppb (30) 4.1 ppb (4) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 9.0 ppb (9) 0.1 ppb (2) N/A 6.2 μg/m3 (26) 30.0
 
Oct. 16, 2021, 4 a.m. 49.0 ppb (47) 13.9 ppb (14) N/A 35.0 ppb (34) N/A 1.0 ppb (2) 1.0 ppb (1) 0.3 ppb (4) N/A 8.1 μg/m3 (34) 47.0
 
Oct. 16, 2021, 3 a.m. 58.1 ppb (56) 20.9 ppb (20) N/A 37.0 ppb (35) N/A 1.0 ppb (2) 2.0 ppb (2) 0.4 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
Oct. 16, 2021, 2 a.m. 33.9 ppb (32) 5.0 ppb (5) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 10.0 ppb (10) 0.2 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
Oct. 16, 2021, 1 a.m. 15.9 ppb (15) 0.5 ppb (1) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 26.0 ppb (25) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 25.0
 
Oct. 16, 2021, midnight 9.7 ppb (10) 0.5 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 35.0
 
Oct. 15, 2021, 11 p.m. 8.9 ppb (9) 1.6 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 41.0 ppb (38) 0.0 ppb (0) N/A 2.9 μg/m3 (13) 38.0
 
Oct. 15, 2021, 10 p.m. 6.5 ppb (7) 1.6 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (39) 0.0 ppb (0) N/A 2.6 μg/m3 (11) 39.0
 
Oct. 15, 2021, 9 p.m. 4.9 ppb (5) 1.4 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (39) 0.0 ppb (0) N/A 2.4 μg/m3 (10) 39.0
 
Oct. 15, 2021, 8 p.m. 5.8 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) 0.0 ppb (0) N/A 2.9 μg/m3 (13) 38.0
 
Oct. 15, 2021, 7 p.m. 6.5 ppb (7) 2.2 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) 0.0 ppb (0) N/A 3.5 μg/m3 (15) 38.0
 
Oct. 15, 2021, 6 p.m. 7.7 ppb (8) 2.8 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) N/A 4.1 μg/m3 (18) 35.0
 
Oct. 15, 2021, 5 p.m. 14.5 ppb (14) 6.0 ppb (6) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 28.0
 
Oct. 15, 2021, 4 p.m. 22.0 ppb (21) 9.4 ppb (9) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) N/A 6.4 μg/m3 (27) 27.0
 
Oct. 15, 2021, 3 p.m. 53.8 ppb (51) 29.1 ppb (28) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 14.0 ppb (13) 0.2 ppb (3) N/A 7.5 μg/m3 (32) 51.0
 
Oct. 15, 2021, 2 p.m. 66.6 ppb (65) 34.4 ppb (33) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 5.0 ppb (5) 0.3 ppb (4) N/A 8.3 μg/m3 (35) 65.0