ID: 2689

AQSQID: 320031502

Site Name: Casino Center

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

Updated: Oct. 20, 2021, 12:08 a.m.

Location: Las Vegas (Cultural Corridor), NV

Reporting: True, Located: True

Current AQI: 17.0

Las Vegas (Cultural Corridor) NV, US: 36.174365, -115.13977

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 19, 2021, 10 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.24 ppb (3) 14.0 μg/m3 (13) 3.1 μg/m3 (13) 17.0
 
Oct. 19, 2021, 9 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.19 ppb (3) 12.0 μg/m3 (12) 2.8 μg/m3 (12) 13.0
 
Oct. 19, 2021, 8 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A N/A 15.0 μg/m3 (14) 2.9 μg/m3 (13) 16.0
 
Oct. 19, 2021, 7 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.28 ppb (4) 17.0 μg/m3 (16) 3.2 μg/m3 (14) 17.0
 
Oct. 19, 2021, 6 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.26 ppb (4) 17.0 μg/m3 (16) 3.3 μg/m3 (14) 16.0
 
Oct. 19, 2021, 5 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.2 ppb (3) 17.0 μg/m3 (16) 3.2 μg/m3 (14) 16.0
 
Oct. 19, 2021, 4 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.16 ppb (3) 20.0 μg/m3 (19) 3.1 μg/m3 (13) 19.0
 
Oct. 19, 2021, 3 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.21 ppb (3) 21.0 μg/m3 (20) 3.5 μg/m3 (15) 20.0
 
Oct. 19, 2021, 2 p.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 0.32 ppb (4) 17.0 μg/m3 (16) 3.8 μg/m3 (16) 25.0
 
Oct. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.26 ppb (4) 14.0 μg/m3 (13) 3.1 μg/m3 (13) 13.0
 
Oct. 19, 2021, noon N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.25 ppb (3) 13.0 μg/m3 (13) 3.1 μg/m3 (13) 20.0
 
Oct. 19, 2021, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.22 ppb (3) 13.0 μg/m3 (13) 2.9 μg/m3 (13) 17.0
 
Oct. 19, 2021, 10 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.12 ppb (2) 6.0 μg/m3 (6) 1.2 μg/m3 (5) 8.0
 
Oct. 19, 2021, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 1.9 μg/m3 (8) 11.0
 
Oct. 19, 2021, 8 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.11 ppb (2) 8.0 μg/m3 (8) 1.7 μg/m3 (8) 9.0
 
Oct. 19, 2021, 7 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.14 ppb (2) 9.0 μg/m3 (9) 1.8 μg/m3 (8) 9.0
 
Oct. 19, 2021, 6 a.m. N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 0.28 ppb (4) 20.0 μg/m3 (19) 4.7 μg/m3 (20) 21.0
 
Oct. 19, 2021, 5 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 0.48 ppb (6) 29.0 μg/m3 (27) 7.5 μg/m3 (32) 32.0
 
Oct. 19, 2021, 4 a.m. N/A N/A N/A 24.0 ppb (23) N/A N/A N/A 0.46 ppb (6) 32.0 μg/m3 (30) 8.3 μg/m3 (35) 35.0
 
Oct. 19, 2021, 3 a.m. N/A N/A N/A 24.0 ppb (23) N/A N/A N/A 0.39 ppb (5) 28.0 μg/m3 (26) 7.1 μg/m3 (30) 30.0
 
Oct. 19, 2021, 2 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 0.41 ppb (5) 26.0 μg/m3 (25) 5.7 μg/m3 (24) 25.0
 
Oct. 19, 2021, 1 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.2 ppb (3) 23.0 μg/m3 (22) 4.4 μg/m3 (19) 22.0
 
Oct. 19, 2021, midnight N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.14 ppb (2) 27.0 μg/m3 (25) 4.5 μg/m3 (19) 25.0
 
Oct. 18, 2021, 11 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.13 ppb (2) 29.0 μg/m3 (27) 5.2 μg/m3 (22) 27.0
 
Oct. 18, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.12 ppb (2) 20.0 μg/m3 (19) 3.7 μg/m3 (16) 19.0
 
Oct. 18, 2021, 9 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A N/A 23.0 μg/m3 (22) 3.5 μg/m3 (15) 22.0
 
Oct. 18, 2021, 8 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.12 ppb (2) 57.0 μg/m3 (52) 6.3 μg/m3 (27) 52.0
 
Oct. 18, 2021, 7 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.16 ppb (3) 59.0 μg/m3 (53) 7.1 μg/m3 (30) 53.0
 
Oct. 18, 2021, 6 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.18 ppb (3) 56.0 μg/m3 (52) 7.2 μg/m3 (31) 52.0
 
Oct. 18, 2021, 5 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.2 ppb (3) 39.0 μg/m3 (37) 6.7 μg/m3 (28) 37.0
 
Oct. 18, 2021, 4 p.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.17 ppb (3) 52.0 μg/m3 (49) 8.7 μg/m3 (37) 49.0
 
Oct. 18, 2021, 3 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.21 ppb (3) 83.0 μg/m3 (65) 10.8 μg/m3 (46) 65.0
 
Oct. 18, 2021, 2 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.21 ppb (3) 49.0 μg/m3 (46) 8.3 μg/m3 (35) 46.0
 
Oct. 18, 2021, 1 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.22 ppb (3) 33.0 μg/m3 (31) 6.6 μg/m3 (28) 31.0
 
Oct. 18, 2021, noon N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.18 ppb (3) 44.0 μg/m3 (41) 6.7 μg/m3 (28) 41.0
 
Oct. 18, 2021, 11 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.19 ppb (3) 32.0 μg/m3 (30) 6.0 μg/m3 (25) 30.0
 
Oct. 18, 2021, 10 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.14 ppb (2) 30.0 μg/m3 (28) 5.5 μg/m3 (23) 28.0
 
Oct. 18, 2021, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.17 ppb (3) 31.0 μg/m3 (29) 5.7 μg/m3 (24) 29.0
 
Oct. 18, 2021, 8 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.14 ppb (2) 41.0 μg/m3 (38) 6.8 μg/m3 (29) 38.0
 
Oct. 18, 2021, 7 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.16 ppb (3) 49.0 μg/m3 (46) 7.2 μg/m3 (31) 46.0
 
Oct. 18, 2021, 6 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.21 ppb (3) 38.0 μg/m3 (36) 7.1 μg/m3 (30) 36.0
 
Oct. 18, 2021, 5 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.19 ppb (3) 30.0 μg/m3 (28) 6.3 μg/m3 (27) 28.0
 
Oct. 18, 2021, 4 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.26 ppb (4) 21.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Oct. 18, 2021, 3 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 0.34 ppb (4) 24.0 μg/m3 (23) 6.7 μg/m3 (28) 28.0
 
Oct. 18, 2021, 2 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A N/A 0.23 ppb (3) 17.0 μg/m3 (16) 5.5 μg/m3 (23) 23.0
 
Oct. 18, 2021, 1 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.21 ppb (3) 19.0 μg/m3 (18) 5.6 μg/m3 (24) 24.0
 
Oct. 18, 2021, midnight N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.22 ppb (3) 28.0 μg/m3 (26) 8.8 μg/m3 (37) 37.0
 
Oct. 17, 2021, 11 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.2 ppb (3) 23.0 μg/m3 (22) 4.6 μg/m3 (20) 22.0
 
Oct. 17, 2021, 10 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.21 ppb (3) 19.0 μg/m3 (18) 4.4 μg/m3 (19) 19.0
 
Oct. 17, 2021, 9 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.2 ppb (3) 19.0 μg/m3 (18) 4.2 μg/m3 (18) 18.0
 
Oct. 17, 2021, 8 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.18 ppb (3) 15.0 μg/m3 (14) 4.2 μg/m3 (18) 18.0
 
Oct. 17, 2021, 7 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.21 ppb (3) 13.0 μg/m3 (13) 4.4 μg/m3 (19) 19.0
 
Oct. 17, 2021, 6 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.17 ppb (3) 17.0 μg/m3 (16) 4.5 μg/m3 (19) 19.0
 
Oct. 17, 2021, 5 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.41 ppb (5) 28.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
Oct. 17, 2021, 4 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A N/A 0.62 ppb (7) 38.0 μg/m3 (36) 11.1 μg/m3 (47) 47.0
 
Oct. 17, 2021, 3 p.m. N/A N/A N/A 31.0 ppb (30) N/A N/A N/A 0.85 ppb (10) 37.0 μg/m3 (35) 12.2 μg/m3 (52) 52.0
 
Oct. 17, 2021, 2 p.m. N/A N/A N/A 31.0 ppb (30) N/A N/A N/A 0.8 ppb (10) 31.0 μg/m3 (29) 10.1 μg/m3 (43) 43.0
 
Oct. 17, 2021, 1 p.m. N/A N/A N/A 31.0 ppb (30) N/A N/A N/A 0.79 ppb (10) 30.0 μg/m3 (28) 10.1 μg/m3 (43) 43.0
 
Oct. 17, 2021, noon N/A N/A N/A 31.0 ppb (30) N/A N/A N/A 0.57 ppb (7) 22.0 μg/m3 (21) 7.5 μg/m3 (32) 32.0
 
Oct. 17, 2021, 11 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 0.4 ppb (5) 21.0 μg/m3 (20) 6.6 μg/m3 (28) 28.0
 
Oct. 17, 2021, 10 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 0.49 ppb (6) 24.0 μg/m3 (23) 8.0 μg/m3 (34) 34.0
 
Oct. 17, 2021, 9 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A N/A 0.65 ppb (8) 24.0 μg/m3 (23) 9.2 μg/m3 (39) 39.0
 
Oct. 17, 2021, 8 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A N/A 0.65 ppb (8) 26.0 μg/m3 (25) 8.8 μg/m3 (37) 37.0
 
Oct. 17, 2021, 7 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A N/A 0.67 ppb (8) 27.0 μg/m3 (25) 9.6 μg/m3 (40) 40.0
 
Oct. 17, 2021, 6 a.m. N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 1.02 ppb (12) 38.0 μg/m3 (36) 13.6 μg/m3 (55) 55.0
 
Oct. 17, 2021, 5 a.m. N/A N/A N/A 37.0 ppb (35) N/A N/A N/A 0.81 ppb (10) 33.0 μg/m3 (31) 12.5 μg/m3 (52) 52.0
 
Oct. 17, 2021, 4 a.m. N/A N/A N/A 39.0 ppb (37) N/A N/A N/A 0.72 ppb (8) 34.0 μg/m3 (32) 10.3 μg/m3 (43) 43.0
 
Oct. 17, 2021, 3 a.m. N/A N/A N/A 36.0 ppb (34) N/A N/A N/A 0.56 ppb (7) 30.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
Oct. 17, 2021, 2 a.m. N/A N/A N/A 36.0 ppb (34) N/A N/A N/A 0.56 ppb (7) 29.0 μg/m3 (27) 13.1 μg/m3 (54) 54.0
 
Oct. 17, 2021, 1 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.31 ppb (4) 15.0 μg/m3 (14) 4.2 μg/m3 (18) 19.0
 
Oct. 17, 2021, midnight N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) 3.3 μg/m3 (14) 14.0
 
Oct. 16, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.12 ppb (2) 12.0 μg/m3 (12) 3.4 μg/m3 (15) 15.0
 
Oct. 16, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (2) 15.0 μg/m3 (14) 3.5 μg/m3 (15) 15.0
 
Oct. 16, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.11 ppb (2) 13.0 μg/m3 (13) 3.5 μg/m3 (15) 15.0
 
Oct. 16, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.11 ppb (2) 20.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
Oct. 16, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.11 ppb (2) 24.0 μg/m3 (23) 3.9 μg/m3 (17) 23.0
 
Oct. 16, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (2) 22.0 μg/m3 (21) 3.4 μg/m3 (15) 21.0
 
Oct. 16, 2021, 5 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.15 ppb (2) 22.0 μg/m3 (21) 3.9 μg/m3 (17) 21.0
 
Oct. 16, 2021, 4 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A N/A 0.23 ppb (3) 20.0 μg/m3 (19) 4.6 μg/m3 (20) 20.0
 
Oct. 16, 2021, 3 p.m. N/A N/A N/A 28.0 ppb (27) N/A N/A N/A 0.55 ppb (7) 30.0 μg/m3 (28) 7.0 μg/m3 (30) 30.0
 
Oct. 16, 2021, 2 p.m. N/A N/A N/A 34.0 ppb (33) N/A N/A N/A 0.65 ppb (8) 24.0 μg/m3 (23) 6.5 μg/m3 (28) 33.0
 
Oct. 16, 2021, 1 p.m. N/A N/A N/A 30.0 ppb (29) N/A N/A N/A 0.42 ppb (5) 20.0 μg/m3 (19) 5.2 μg/m3 (22) 29.0
 
Oct. 16, 2021, noon N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.29 ppb (4) 17.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
Oct. 16, 2021, 11 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A N/A 0.48 ppb (6) 22.0 μg/m3 (21) 7.1 μg/m3 (30) 30.0
 
Oct. 16, 2021, 10 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A N/A 0.59 ppb (7) 22.0 μg/m3 (21) 7.8 μg/m3 (33) 33.0
 
Oct. 16, 2021, 9 a.m. N/A N/A N/A 37.0 ppb (35) N/A N/A N/A 0.78 ppb (10) 25.0 μg/m3 (24) 10.6 μg/m3 (45) 45.0
 
Oct. 16, 2021, 8 a.m. N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 1.19 ppb (14) 31.0 μg/m3 (29) 12.7 μg/m3 (53) 53.0
 
Oct. 16, 2021, 7 a.m. N/A N/A N/A 37.0 ppb (35) N/A N/A N/A 1.11 ppb (13) 34.0 μg/m3 (32) 10.9 μg/m3 (46) 46.0
 
Oct. 16, 2021, 6 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A N/A 0.74 ppb (8) 34.0 μg/m3 (32) 9.1 μg/m3 (38) 38.0
 
Oct. 16, 2021, 5 a.m. N/A N/A N/A 36.0 ppb (34) N/A N/A N/A 0.71 ppb (8) 32.0 μg/m3 (30) 9.0 μg/m3 (38) 38.0
 
Oct. 16, 2021, 4 a.m. N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 0.92 ppb (11) 49.0 μg/m3 (46) 26.3 μg/m3 (81) 81.0
 
Oct. 16, 2021, 3 a.m. N/A N/A N/A 41.0 ppb (39) N/A N/A N/A 0.78 ppb (10) 26.0 μg/m3 (25) 8.3 μg/m3 (35) 39.0
 
Oct. 16, 2021, 2 a.m. N/A N/A N/A 39.0 ppb (37) N/A N/A N/A 0.46 ppb (6) 25.0 μg/m3 (24) 5.5 μg/m3 (23) 37.0
 
Oct. 16, 2021, 1 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.21 ppb (3) 17.0 μg/m3 (16) 3.8 μg/m3 (16) 16.0
 
Oct. 16, 2021, midnight N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.17 ppb (3) 12.0 μg/m3 (12) 2.7 μg/m3 (12) 12.0
 
Oct. 15, 2021, 11 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.14 ppb (2) 8.0 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
Oct. 15, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.13 ppb (2) 8.0 μg/m3 (8) 1.9 μg/m3 (8) 8.0
 
Oct. 15, 2021, 9 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.13 ppb (2) 16.0 μg/m3 (15) 2.9 μg/m3 (13) 15.0
 
Oct. 15, 2021, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.11 ppb (2) 10.0 μg/m3 (10) 2.1 μg/m3 (9) 10.0
 
Oct. 15, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.11 ppb (2) 10.0 μg/m3 (10) 1.8 μg/m3 (8) 10.0
 
Oct. 15, 2021, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.1 ppb (2) 13.0 μg/m3 (13) 2.4 μg/m3 (10) 13.0
 
Oct. 15, 2021, 5 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.16 ppb (3) 21.0 μg/m3 (20) 3.8 μg/m3 (16) 20.0
 
Oct. 15, 2021, 4 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.17 ppb (3) 17.0 μg/m3 (16) 3.1 μg/m3 (13) 16.0
 
Oct. 15, 2021, 3 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.22 ppb (3) 23.0 μg/m3 (22) 3.9 μg/m3 (17) 22.0
 
Oct. 15, 2021, 2 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.26 ppb (4) 25.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
Oct. 15, 2021, 1 p.m. N/A N/A N/A 29.0 ppb (28) N/A N/A N/A 0.31 ppb (4) 18.0 μg/m3 (17) 3.6 μg/m3 (16) 28.0
 
Oct. 15, 2021, noon N/A N/A N/A 24.0 ppb (23) N/A N/A N/A 0.19 ppb (3) 15.0 μg/m3 (14) 3.6 μg/m3 (16) 23.0
 
Oct. 15, 2021, 11 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.13 ppb (2) 15.0 μg/m3 (14) 3.3 μg/m3 (14) 14.0
 
Oct. 15, 2021, 10 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.12 ppb (2) 15.0 μg/m3 (14) 3.3 μg/m3 (14) 14.0
 
Oct. 15, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (2) 23.0 μg/m3 (22) 4.0 μg/m3 (17) 22.0
 
Oct. 15, 2021, 8 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.1 ppb (2) 23.0 μg/m3 (22) 4.0 μg/m3 (17) 22.0
 
Oct. 15, 2021, 7 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.11 ppb (2) 18.0 μg/m3 (17) 3.2 μg/m3 (14) 17.0
 
Oct. 15, 2021, 6 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A N/A 0.33 ppb (4) 23.0 μg/m3 (22) 5.9 μg/m3 (25) 27.0
 
Oct. 15, 2021, 5 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A N/A 0.59 ppb (7) 29.0 μg/m3 (27) 8.0 μg/m3 (34) 34.0
 
Oct. 15, 2021, 4 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A N/A 0.61 ppb (7) 27.0 μg/m3 (25) 7.7 μg/m3 (33) 34.0
 
Oct. 15, 2021, 3 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A N/A 0.56 ppb (7) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 27.0
 
Oct. 15, 2021, 2 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A N/A 0.37 ppb (5) 16.0 μg/m3 (15) 5.7 μg/m3 (24) 25.0
 
Oct. 15, 2021, 1 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.28 ppb (4) 13.0 μg/m3 (13) 3.4 μg/m3 (15) 19.0
 
Oct. 15, 2021, midnight N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.15 ppb (2) 8.0 μg/m3 (8) 2.3 μg/m3 (10) 10.0
 
Oct. 14, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.11 ppb (2) 10.0 μg/m3 (10) 2.2 μg/m3 (10) 10.0
 
Oct. 14, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.13 ppb (2) 17.0 μg/m3 (16) 2.9 μg/m3 (13) 16.0
 
Oct. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) 14.0 μg/m3 (13) 3.2 μg/m3 (14) 14.0
 
Oct. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) 16.0 μg/m3 (15) 3.3 μg/m3 (14) 15.0
 
Oct. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) 17.0 μg/m3 (16) 3.4 μg/m3 (15) 16.0
 
Oct. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) 19.0 μg/m3 (18) 3.4 μg/m3 (15) 18.0
 
Oct. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 29.0 μg/m3 (27) 4.2 μg/m3 (18) 27.0
 
Oct. 14, 2021, 4 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.24 ppb (3) 37.0 μg/m3 (35) 6.2 μg/m3 (26) 35.0
 
Oct. 14, 2021, 3 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.29 ppb (4) 36.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
Oct. 14, 2021, 2 p.m. N/A N/A N/A 31.0 ppb (30) N/A N/A N/A 0.7 ppb (8) 39.0 μg/m3 (37) 8.7 μg/m3 (37) 37.0
 
Oct. 14, 2021, 1 p.m. N/A N/A N/A 32.0 ppb (31) N/A N/A N/A 0.71 ppb (8) 30.0 μg/m3 (28) 7.8 μg/m3 (33) 33.0
 
Oct. 14, 2021, noon N/A N/A N/A 28.0 ppb (27) N/A N/A N/A 0.36 ppb (5) 26.0 μg/m3 (25) 6.3 μg/m3 (27) 27.0
 
Oct. 14, 2021, 11 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A N/A 0.37 ppb (5) 24.0 μg/m3 (23) 7.4 μg/m3 (31) 31.0
 
Oct. 14, 2021, 10 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A N/A 0.41 ppb (5) 24.0 μg/m3 (23) 7.1 μg/m3 (30) 31.0
 
Oct. 14, 2021, 9 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A N/A 0.49 ppb (6) 35.0 μg/m3 (33) 8.8 μg/m3 (37) 37.0
 
Oct. 14, 2021, 8 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A N/A 0.51 ppb (6) 34.0 μg/m3 (32) 9.6 μg/m3 (40) 40.0
 
Oct. 14, 2021, 7 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A N/A 0.66 ppb (8) 32.0 μg/m3 (30) 10.5 μg/m3 (44) 44.0
 
Oct. 14, 2021, 6 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A N/A 0.61 ppb (7) 30.0 μg/m3 (28) 9.2 μg/m3 (39) 39.0
 
Oct. 14, 2021, 5 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A N/A 0.53 ppb (6) 21.0 μg/m3 (20) 7.2 μg/m3 (31) 32.0
 
Oct. 14, 2021, 4 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 0.26 ppb (4) 17.0 μg/m3 (16) 5.0 μg/m3 (21) 24.0
 
Oct. 14, 2021, 3 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.29 ppb (4) 17.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
Oct. 14, 2021, 2 a.m. N/A N/A N/A 22.0 ppb (21) N/A N/A N/A 0.34 ppb (4) 22.0 μg/m3 (21) 5.6 μg/m3 (24) 24.0
 
Oct. 14, 2021, 1 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A N/A 0.22 ppb (3) 21.0 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
Oct. 14, 2021, midnight N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.16 ppb (3) 17.0 μg/m3 (16) 5.3 μg/m3 (23) 23.0
 
Oct. 13, 2021, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.16 ppb (3) 18.0 μg/m3 (17) 5.4 μg/m3 (23) 23.0
 
Oct. 13, 2021, 10 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.16 ppb (3) 17.0 μg/m3 (16) 5.1 μg/m3 (22) 22.0
 
Oct. 13, 2021, 9 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 0.18 ppb (3) 15.0 μg/m3 (14) 4.3 μg/m3 (18) 18.0
 
Oct. 13, 2021, 8 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.19 ppb (3) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
Oct. 13, 2021, 7 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.16 ppb (3) 14.0 μg/m3 (13) 3.8 μg/m3 (16) 16.0
 
Oct. 13, 2021, 6 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.14 ppb (2) 12.0 μg/m3 (12) 3.5 μg/m3 (15) 15.0
 
Oct. 13, 2021, 5 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.14 ppb (2) 20.0 μg/m3 (19) 3.8 μg/m3 (16) 19.0
 
Oct. 13, 2021, 4 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 0.15 ppb (2) 18.0 μg/m3 (17) 3.7 μg/m3 (16) 17.0
 
Oct. 13, 2021, 3 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A N/A 0.25 ppb (3) 23.0 μg/m3 (22) 4.0 μg/m3 (17) 22.0
 
Oct. 13, 2021, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.24 ppb (3) 16.0 μg/m3 (15) 3.5 μg/m3 (15) 18.0
 
Oct. 13, 2021, 1 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.2 ppb (3) 12.0 μg/m3 (12) 3.1 μg/m3 (13) 17.0
 
Oct. 13, 2021, noon N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.13 ppb (2) 11.0 μg/m3 (11) 2.8 μg/m3 (12) 12.0
 
Oct. 13, 2021, 11 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A N/A 0.14 ppb (2) 12.0 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
Oct. 13, 2021, 10 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A N/A 0.09 ppb (2) 7.0 μg/m3 (7) 2.4 μg/m3 (10) 10.0
 
Oct. 13, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.11 ppb (2) 9.0 μg/m3 (9) 2.6 μg/m3 (11) 11.0
 
Oct. 13, 2021, 8 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.14 ppb (2) 10.0 μg/m3 (10) 2.9 μg/m3 (13) 13.0
 
Oct. 13, 2021, 7 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.28 ppb (4) 20.0 μg/m3 (19) 4.9 μg/m3 (21) 21.0
 
Oct. 13, 2021, 6 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A N/A 0.34 ppb (4) 24.0 μg/m3 (23) 6.4 μg/m3 (27) 27.0
 
Oct. 13, 2021, 5 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A N/A 0.42 ppb (5) 22.0 μg/m3 (21) 6.5 μg/m3 (28) 31.0
 
Oct. 13, 2021, 4 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A N/A 0.31 ppb (4) 32.0 μg/m3 (30) 7.9 μg/m3 (33) 33.0
 
Oct. 13, 2021, 3 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.3 ppb (4) 18.0 μg/m3 (17) 4.7 μg/m3 (20) 20.0
 
Oct. 13, 2021, 2 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.24 ppb (3) 16.0 μg/m3 (15) 3.7 μg/m3 (16) 18.0
 
Oct. 13, 2021, 1 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A N/A 0.17 ppb (3) 10.0 μg/m3 (10) 2.8 μg/m3 (12) 12.0
 
Oct. 13, 2021, midnight N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 0.13 ppb (2) 9.0 μg/m3 (9) 2.3 μg/m3 (10) 10.0
 
Oct. 12, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.12 ppb (2) 8.0 μg/m3 (8) 2.2 μg/m3 (10) 10.0