ID: 966

AQSQID: 401431127

Site Name: Tulsa

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

Updated: Sept. 22, 2021, 9:03 a.m.

Location: Tulsa (N Peoria Ave), OK

Reporting: True, Located: True

Current AQI: 30.0

Tulsa (N Peoria Ave) OK, US: 36.206699, -95.976402

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 22, 2021, 7 a.m. 2.2 ppb (3) 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) 32.0 ppb (30) 0.12 ppb (2) 14.0 μg/m3 (13) 4.4 μg/m3 (19) 30.0
 
Sept. 22, 2021, 6 a.m. 2.6 ppb (3) 0.0 ppb (0) 2.3 ppb (3) 3.0 ppb (3) 2.3 ppb (3) 0.0 ppb (0) 30.0 ppb (28) 0.12 ppb (2) 13.0 μg/m3 (13) 4.8 μg/m3 (20) 28.0
 
Sept. 22, 2021, 5 a.m. 2.5 ppb (3) 0.0 ppb (0) 2.3 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) 33.0 ppb (31) 0.12 ppb (2) 16.0 μg/m3 (15) 5.1 μg/m3 (22) 31.0
 
Sept. 22, 2021, 4 a.m. 2.6 ppb (3) 0.0 ppb (0) 2.3 ppb (3) 3.0 ppb (3) 2.3 ppb (3) 0.0 ppb (0) 34.0 ppb (32) 0.12 ppb (2) 18.0 μg/m3 (17) 5.9 μg/m3 (25) 32.0
 
Sept. 22, 2021, 3 a.m. 2.4 ppb (3) 0.1 ppb (1) 2.2 ppb (3) 2.0 ppb (2) 2.2 ppb (3) 0.0 ppb (0) 36.0 ppb (34) 0.12 ppb (2) 20.0 μg/m3 (19) 6.1 μg/m3 (26) 34.0
 
Sept. 22, 2021, 2 a.m. 2.8 ppb (3) 0.1 ppb (1) 2.5 ppb (3) 3.0 ppb (3) 2.5 ppb (3) 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 19.0 μg/m3 (18) 3.9 μg/m3 (17) 35.0
 
Sept. 22, 2021, 1 a.m. 2.9 ppb (3) 0.3 ppb (1) 2.4 ppb (3) 3.0 ppb (3) 2.2 ppb (3) 0.0 ppb (0) 39.0 ppb (37) 0.13 ppb (2) 17.0 μg/m3 (16) 4.2 μg/m3 (18) 37.0
 
Sept. 22, 2021, midnight 4.7 ppb (5) 0.3 ppb (1) 4.3 ppb (5) 4.0 ppb (4) 4.1 ppb (4) 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) 20.0 μg/m3 (19) 4.6 μg/m3 (20) 35.0
 
Sept. 21, 2021, 11 p.m. 3.9 ppb (4) 0.8 ppb (1) 3.6 ppb (4) 3.0 ppb (3) 2.9 ppb (3) 0.0 ppb (0) 40.0 ppb (38) 0.13 ppb (2) 22.0 μg/m3 (21) 3.9 μg/m3 (17) 38.0
 
Sept. 21, 2021, 10 p.m. 2.4 ppb (3) 0.6 ppb (1) 2.2 ppb (3) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 43.0 ppb (40) 0.13 ppb (2) 19.0 μg/m3 (18) 3.6 μg/m3 (16) 40.0
 
Sept. 21, 2021, 9 p.m. 2.5 ppb (3) 0.7 ppb (1) 2.3 ppb (3) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 43.0 ppb (40) 0.13 ppb (2) 19.0 μg/m3 (18) 3.6 μg/m3 (16) 40.0
 
Sept. 21, 2021, 8 p.m. 3.0 ppb (3) 1.1 ppb (2) 2.5 ppb (3) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 43.0 ppb (40) 0.13 ppb (2) 18.0 μg/m3 (17) 3.6 μg/m3 (16) 40.0
 
Sept. 21, 2021, 7 p.m. 2.1 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.11 ppb (2) 17.0 μg/m3 (16) 3.8 μg/m3 (16) 42.0
 
Sept. 21, 2021, 6 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) 0.11 ppb (2) 15.0 μg/m3 (14) 4.2 μg/m3 (18) 39.0
 
Sept. 21, 2021, 5 p.m. 3.3 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.11 ppb (2) 26.0 μg/m3 (25) 6.1 μg/m3 (26) 38.0
 
Sept. 21, 2021, 4 p.m. 3.6 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.11 ppb (2) 28.0 μg/m3 (26) 7.1 μg/m3 (30) 31.0
 
Sept. 21, 2021, 3 p.m. 3.8 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) 0.13 ppb (2) 13.0 μg/m3 (13) 5.6 μg/m3 (24) 26.0
 
Sept. 21, 2021, 2 p.m. 3.7 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) 0.13 ppb (2) 12.0 μg/m3 (12) 5.4 μg/m3 (23) 26.0
 
Sept. 21, 2021, 1 p.m. 3.9 ppb (4) 0.7 ppb (1) 3.7 ppb (4) 3.0 ppb (3) 2.5 ppb (3) 0.0 ppb (0) 27.0 ppb (25) 0.14 ppb (2) 15.0 μg/m3 (14) 6.7 μg/m3 (28) 28.0
 
Sept. 21, 2021, noon 13.3 ppb (13) 5.5 ppb (6) 10.1 ppb (10) 8.0 ppb (8) 5.9 ppb (6) 0.0 ppb (0) 24.0 ppb (23) 0.17 ppb (3) 19.0 μg/m3 (18) 7.8 μg/m3 (33) 33.0
 
Sept. 21, 2021, 11 a.m. 4.0 ppb (4) 0.7 ppb (1) 3.7 ppb (4) 3.0 ppb (3) 2.9 ppb (3) 0.0 ppb (0) 26.0 ppb (25) 0.14 ppb (2) 20.0 μg/m3 (19) 7.8 μg/m3 (33) 33.0
 
Sept. 21, 2021, 10 a.m. 3.2 ppb (4) 0.4 ppb (1) 2.7 ppb (3) 3.0 ppb (3) 2.2 ppb (3) 0.0 ppb (0) 25.0 ppb (24) 0.15 ppb (2) 19.0 μg/m3 (18) 8.8 μg/m3 (37) 37.0
 
Sept. 21, 2021, 9 a.m. 2.7 ppb (3) 0.3 ppb (1) 2.1 ppb (2) 2.0 ppb (2) 1.8 ppb (2) 0.0 ppb (0) 27.0 ppb (25) 0.15 ppb (2) 19.0 μg/m3 (18) 9.5 μg/m3 (40) 40.0
 
Sept. 21, 2021, 8 a.m. 1.5 ppb (2) 0.1 ppb (1) 0.9 ppb (1) 1.0 ppb (1) 0.9 ppb (1) 0.0 ppb (0) 36.0 ppb (34) 0.15 ppb (2) 26.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Sept. 21, 2021, 7 a.m. 1.5 ppb (2) 0.0 ppb (0) 1.1 ppb (2) 1.0 ppb (1) 1.2 ppb (2) 0.0 ppb (0) 38.0 ppb (36) 0.15 ppb (2) 48.0 μg/m3 (45) 11.2 μg/m3 (47) 47.0
 
Sept. 21, 2021, 6 a.m. 1.5 ppb (2) 0.0 ppb (0) 1.0 ppb (1) 1.0 ppb (1) 1.1 ppb (2) 0.0 ppb (0) 40.0 ppb (38) 0.14 ppb (2) 56.0 μg/m3 (52) 11.7 μg/m3 (49) 52.0
 
Sept. 21, 2021, 5 a.m. 1.6 ppb (2) 0.1 ppb (1) 1.1 ppb (2) 2.0 ppb (2) 1.1 ppb (2) 0.0 ppb (0) 42.0 ppb (39) 0.14 ppb (2) 77.0 μg/m3 (62) 13.4 μg/m3 (54) 62.0
 
Sept. 21, 2021, 4 a.m. 2.0 ppb (2) 0.1 ppb (1) 1.7 ppb (2) 2.0 ppb (2) 1.4 ppb (2) 0.0 ppb (0) 46.0 ppb (43) 0.14 ppb (2) 37.0 μg/m3 (35) 12.4 μg/m3 (52) 52.0
 
Sept. 21, 2021, 3 a.m. 2.6 ppb (3) 0.1 ppb (1) 2.0 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 48.0 ppb (45) 0.15 ppb (2) 36.0 μg/m3 (34) 11.2 μg/m3 (47) 47.0
 
Sept. 21, 2021, 2 a.m. 13.4 ppb (13) 0.0 ppb (0) 12.5 ppb (12) 13.0 ppb (13) 12.2 ppb (12) 0.0 ppb (0) 42.0 ppb (39) 0.2 ppb (3) 33.0 μg/m3 (31) 11.5 μg/m3 (48) 48.0
 
Sept. 21, 2021, 1 a.m. 17.2 ppb (17) 0.0 ppb (0) 16.9 ppb (16) 17.0 ppb (17) 16.9 ppb (16) 0.0 ppb (0) 41.0 ppb (38) 0.2 ppb (3) 33.0 μg/m3 (31) 11.5 μg/m3 (48) 48.0
 
Sept. 21, 2021, midnight 5.6 ppb (6) 0.0 ppb (0) 6.2 ppb (6) 6.0 ppb (6) 6.3 ppb (6) 0.0 ppb (0) 55.0 ppb (51) 0.17 ppb (3) 33.0 μg/m3 (31) 11.5 μg/m3 (48) 51.0
 
Sept. 20, 2021, 11 p.m. 3.0 ppb (3) 0.0 ppb (0) 2.6 ppb (3) 3.0 ppb (3) 2.7 ppb (3) 0.0 ppb (0) 58.0 ppb (61) 0.15 ppb (2) 42.0 μg/m3 (39) 11.1 μg/m3 (47) 61.0
 
Sept. 20, 2021, 10 p.m. 5.0 ppb (5) 0.4 ppb (1) 4.7 ppb (5) 5.0 ppb (5) 4.4 ppb (5) 0.0 ppb (0) 54.0 ppb (50) 0.16 ppb (3) 47.0 μg/m3 (44) 12.0 μg/m3 (50) 50.0
 
Sept. 20, 2021, 9 p.m. 6.4 ppb (7) 0.9 ppb (1) 5.4 ppb (6) 5.0 ppb (5) 4.9 ppb (5) 0.0 ppb (0) 52.0 ppb (49) 0.16 ppb (3) 47.0 μg/m3 (44) 11.4 μg/m3 (48) 49.0
 
Sept. 20, 2021, 8 p.m. 4.5 ppb (5) 0.5 ppb (1) 4.1 ppb (4) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 53.0 ppb (50) 0.15 ppb (2) 61.0 μg/m3 (54) 11.4 μg/m3 (48) 54.0
 
Sept. 20, 2021, 7 p.m. 4.0 ppb (4) 0.3 ppb (1) 3.6 ppb (4) 4.0 ppb (4) 3.4 ppb (4) 0.0 ppb (0) 53.0 ppb (50) 0.16 ppb (3) 53.0 μg/m3 (50) 11.3 μg/m3 (48) 50.0
 
Sept. 20, 2021, 6 p.m. 2.9 ppb (3) 0.3 ppb (1) 2.7 ppb (3) 3.0 ppb (3) 2.5 ppb (3) 0.0 ppb (0) 51.0 ppb (48) 0.14 ppb (2) 46.0 μg/m3 (43) 11.0 μg/m3 (46) 48.0
 
Sept. 20, 2021, 5 p.m. 3.9 ppb (4) 0.7 ppb (1) 3.4 ppb (4) 3.0 ppb (3) 2.9 ppb (3) 0.0 ppb (0) 47.0 ppb (44) 0.15 ppb (2) 47.0 μg/m3 (44) 12.0 μg/m3 (50) 50.0
 
Sept. 20, 2021, 4 p.m. 4.0 ppb (4) 0.5 ppb (1) 3.8 ppb (4) 4.0 ppb (4) 3.4 ppb (4) 0.0 ppb (0) 42.0 ppb (39) 0.15 ppb (2) 39.0 μg/m3 (37) 12.4 μg/m3 (52) 52.0
 
Sept. 20, 2021, 3 p.m. 4.5 ppb (5) 0.9 ppb (1) 4.5 ppb (5) 4.0 ppb (4) 3.7 ppb (4) 0.0 ppb (0) 34.0 ppb (32) 0.15 ppb (2) 45.0 μg/m3 (42) 12.4 μg/m3 (52) 52.0
 
Sept. 20, 2021, 2 p.m. 5.0 ppb (5) 1.2 ppb (2) 5.1 ppb (5) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 26.0 ppb (25) 0.15 ppb (2) 35.0 μg/m3 (33) 11.4 μg/m3 (48) 48.0
 
Sept. 20, 2021, 1 p.m. 5.9 ppb (6) 0.9 ppb (1) 5.8 ppb (6) 5.0 ppb (5) 4.6 ppb (5) 0.0 ppb (0) 23.0 ppb (22) 0.15 ppb (2) 32.0 μg/m3 (30) 10.7 μg/m3 (45) 45.0
 
Sept. 20, 2021, noon 7.0 ppb (7) 0.6 ppb (1) 6.8 ppb (7) 6.0 ppb (6) 5.7 ppb (6) 0.0 ppb (0) 19.0 ppb (18) 0.17 ppb (3) 17.0 μg/m3 (16) 9.4 μg/m3 (40) 40.0
 
Sept. 20, 2021, 11 a.m. 5.1 ppb (5) 0.1 ppb (1) 4.9 ppb (5) 5.0 ppb (5) 4.5 ppb (5) 0.0 ppb (0) 21.0 ppb (20) 0.16 ppb (3) 15.0 μg/m3 (14) 8.8 μg/m3 (37) 37.0
 
Sept. 20, 2021, 10 a.m. 2.2 ppb (3) 0.0 ppb (0) 1.9 ppb (2) 2.0 ppb (2) 1.6 ppb (2) 0.0 ppb (0) 24.0 ppb (23) 0.12 ppb (2) 13.0 μg/m3 (13) 8.4 μg/m3 (36) 36.0
 
Sept. 20, 2021, 9 a.m. 1.7 ppb (2) 0.0 ppb (0) 1.4 ppb (2) 2.0 ppb (2) 1.1 ppb (2) 0.0 ppb (0) 25.0 ppb (24) 0.12 ppb (2) 14.0 μg/m3 (13) 8.2 μg/m3 (35) 35.0
 
Sept. 20, 2021, 8 a.m. 1.7 ppb (2) 0.0 ppb (0) 1.4 ppb (2) 2.0 ppb (2) 1.1 ppb (2) 0.0 ppb (0) 25.0 ppb (24) 0.12 ppb (2) 13.0 μg/m3 (13) 7.7 μg/m3 (33) 33.0
 
Sept. 20, 2021, 7 a.m. 1.6 ppb (2) 0.0 ppb (0) 1.3 ppb (2) 2.0 ppb (2) 1.0 ppb (1) 0.0 ppb (0) 24.0 ppb (23) 0.11 ppb (2) 13.0 μg/m3 (13) 6.8 μg/m3 (29) 29.0
 
Sept. 20, 2021, 6 a.m. 1.5 ppb (2) 0.0 ppb (0) 1.2 ppb (2) 2.0 ppb (2) 1.0 ppb (1) 0.0 ppb (0) 25.0 ppb (24) 0.11 ppb (2) 14.0 μg/m3 (13) 6.3 μg/m3 (27) 27.0
 
Sept. 20, 2021, 5 a.m. 1.6 ppb (2) 0.0 ppb (0) 1.2 ppb (2) 2.0 ppb (2) 1.1 ppb (2) 0.0 ppb (0) 27.0 ppb (25) 0.11 ppb (2) 15.0 μg/m3 (14) 6.2 μg/m3 (26) 26.0
 
Sept. 20, 2021, 4 a.m. 2.9 ppb (3) 0.0 ppb (0) 2.5 ppb (3) 3.0 ppb (3) 2.2 ppb (3) 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 28.0
 
Sept. 20, 2021, 3 a.m. 4.2 ppb (4) 0.0 ppb (0) 4.0 ppb (4) 4.0 ppb (4) 3.5 ppb (4) 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) 17.0 μg/m3 (16) 6.2 μg/m3 (26) 28.0
 
Sept. 20, 2021, 2 a.m. 5.0 ppb (5) 0.1 ppb (1) 4.7 ppb (5) 5.0 ppb (5) 4.2 ppb (4) 0.0 ppb (0) 31.0 ppb (29) 0.15 ppb (2) 13.0 μg/m3 (13) 5.9 μg/m3 (25) 29.0
 
Sept. 20, 2021, 1 a.m. 5.1 ppb (5) 0.1 ppb (1) 4.8 ppb (5) 5.0 ppb (5) 4.3 ppb (5) 0.0 ppb (0) 32.0 ppb (30) 0.18 ppb (3) 15.0 μg/m3 (14) 6.1 μg/m3 (26) 30.0
 
Sept. 20, 2021, midnight 3.6 ppb (4) 0.1 ppb (1) 3.3 ppb (4) 3.0 ppb (3) 2.9 ppb (3) 0.0 ppb (0) 35.0 ppb (33) 0.16 ppb (3) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 33.0
 
Sept. 19, 2021, 11 p.m. 2.0 ppb (2) 0.2 ppb (1) 1.8 ppb (2) 2.0 ppb (2) 1.6 ppb (2) 0.0 ppb (0) 36.0 ppb (34) 0.13 ppb (2) 15.0 μg/m3 (14) 6.1 μg/m3 (26) 34.0
 
Sept. 19, 2021, 10 p.m. 1.5 ppb (2) 0.1 ppb (1) 1.2 ppb (2) 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) 36.0 ppb (34) 0.12 ppb (2) 13.0 μg/m3 (13) 5.7 μg/m3 (24) 34.0
 
Sept. 19, 2021, 9 p.m. 1.4 ppb (2) 0.2 ppb (1) 1.1 ppb (2) 1.0 ppb (1) 0.9 ppb (1) 0.0 ppb (0) 36.0 ppb (34) 0.12 ppb (2) 12.0 μg/m3 (12) 5.7 μg/m3 (24) 34.0
 
Sept. 19, 2021, 8 p.m. 1.9 ppb (2) 0.3 ppb (1) 1.6 ppb (2) 2.0 ppb (2) 1.2 ppb (2) 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 11.0 μg/m3 (11) 5.8 μg/m3 (25) 35.0
 
Sept. 19, 2021, 7 p.m. 1.7 ppb (2) 0.3 ppb (1) 1.5 ppb (2) 1.0 ppb (1) 1.1 ppb (2) 0.0 ppb (0) 38.0 ppb (36) 0.12 ppb (2) 11.0 μg/m3 (11) 5.5 μg/m3 (23) 36.0
 
Sept. 19, 2021, 6 p.m. 1.6 ppb (2) 0.2 ppb (1) 1.5 ppb (2) 1.0 ppb (1) 1.1 ppb (2) 0.0 ppb (0) 36.0 ppb (34) 0.12 ppb (2) 11.0 μg/m3 (11) 5.9 μg/m3 (25) 34.0
 
Sept. 19, 2021, 5 p.m. 2.9 ppb (3) 0.4 ppb (1) 2.9 ppb (3) 3.0 ppb (3) 2.3 ppb (3) 0.0 ppb (0) 40.0 ppb (38) 0.12 ppb (2) 14.0 μg/m3 (13) 6.6 μg/m3 (28) 38.0
 
Sept. 19, 2021, 4 p.m. 3.4 ppb (4) 0.5 ppb (1) 3.5 ppb (4) 3.0 ppb (3) 2.7 ppb (3) 0.0 ppb (0) 37.0 ppb (35) 0.12 ppb (2) 14.0 μg/m3 (13) 6.5 μg/m3 (28) 35.0
 
Sept. 19, 2021, 3 p.m. 2.7 ppb (3) 0.5 ppb (1) 3.0 ppb (3) 2.0 ppb (2) 2.2 ppb (3) 0.0 ppb (0) 33.0 ppb (31) 0.12 ppb (2) 11.0 μg/m3 (11) 6.2 μg/m3 (26) 31.0
 
Sept. 19, 2021, 2 p.m. 2.7 ppb (3) 0.5 ppb (1) 3.7 ppb (4) 2.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) 27.0 ppb (25) 0.12 ppb (2) 11.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
Sept. 19, 2021, 1 p.m. 6.8 ppb (7) 2.5 ppb (3) 8.3 ppb (8) 4.0 ppb (4) 3.5 ppb (4) 0.0 ppb (0) 15.0 ppb (14) 0.19 ppb (3) 17.0 μg/m3 (16) 8.1 μg/m3 (34) 34.0
 
Sept. 19, 2021, noon 10.0 ppb (10) 2.7 ppb (3) 13.5 ppb (13) 7.0 ppb (7) 6.9 ppb (7) 0.0 ppb (0) 3.0 ppb (3) 0.26 ppb (4) 21.0 μg/m3 (20) 10.9 μg/m3 (46) 46.0
 
Sept. 19, 2021, 11 a.m. 9.9 ppb (10) 1.5 ppb (2) 12.1 ppb (12) 8.0 ppb (8) 7.5 ppb (8) 0.0 ppb (0) 2.0 ppb (2) 0.24 ppb (3) 21.0 μg/m3 (20) 10.8 μg/m3 (46) 46.0
 
Sept. 19, 2021, 10 a.m. 8.0 ppb (8) 0.7 ppb (1) 10.2 ppb (10) 7.0 ppb (7) 6.8 ppb (7) 0.0 ppb (0) 5.0 ppb (5) 0.24 ppb (3) 21.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2021, 9 a.m. 7.7 ppb (8) 0.4 ppb (1) 9.1 ppb (9) 7.0 ppb (7) 6.3 ppb (6) 0.0 ppb (0) 8.0 ppb (8) 0.25 ppb (3) 22.0 μg/m3 (21) 11.6 μg/m3 (49) 49.0
 
Sept. 19, 2021, 8 a.m. 7.6 ppb (8) 0.5 ppb (1) 9.1 ppb (9) 7.0 ppb (7) 6.1 ppb (6) 0.0 ppb (0) 7.0 ppb (7) 0.27 ppb (4) 21.0 μg/m3 (20) 11.5 μg/m3 (48) 48.0
 
Sept. 19, 2021, 7 a.m. 10.6 ppb (10) 0.4 ppb (1) 12.6 ppb (12) 10.0 ppb (10) 9.4 ppb (9) 0.0 ppb (0) 9.0 ppb (9) 0.32 ppb (4) 21.0 μg/m3 (20) 11.4 μg/m3 (48) 48.0
 
Sept. 19, 2021, 6 a.m. 13.9 ppb (14) 1.4 ppb (2) 16.5 ppb (16) 12.0 ppb (12) 12.5 ppb (12) 0.0 ppb (0) 10.0 ppb (10) 0.32 ppb (4) 22.0 μg/m3 (21) 11.7 μg/m3 (49) 49.0
 
Sept. 19, 2021, 5 a.m. 10.5 ppb (10) 0.2 ppb (1) 11.8 ppb (12) 10.0 ppb (10) 9.5 ppb (9) 0.0 ppb (0) 16.0 ppb (15) 0.3 ppb (4) 20.0 μg/m3 (19) 11.4 μg/m3 (48) 48.0
 
Sept. 19, 2021, 4 a.m. 13.5 ppb (13) 0.4 ppb (1) 16.3 ppb (16) 13.0 ppb (13) 13.3 ppb (13) 0.0 ppb (0) 19.0 ppb (18) 0.3 ppb (4) 20.0 μg/m3 (19) 11.4 μg/m3 (48) 48.0
 
Sept. 19, 2021, 3 a.m. 18.4 ppb (18) 0.7 ppb (1) 23.7 ppb (23) 18.0 ppb (17) 19.8 ppb (19) 0.0 ppb (0) 13.0 ppb (13) 0.38 ppb (5) 24.0 μg/m3 (23) 11.9 μg/m3 (50) 50.0
 
Sept. 19, 2021, 2 a.m. 22.0 ppb (21) 0.5 ppb (1) 23.4 ppb (23) 22.0 ppb (21) 20.5 ppb (20) 0.0 ppb (0) 13.0 ppb (13) 0.38 ppb (5) 23.0 μg/m3 (22) 10.7 μg/m3 (45) 45.0
 
Sept. 19, 2021, 1 a.m. 17.5 ppb (17) 0.1 ppb (1) 15.1 ppb (15) 17.0 ppb (17) 14.0 ppb (14) 0.0 ppb (0) 21.0 ppb (20) 0.34 ppb (4) 17.0 μg/m3 (16) 9.8 μg/m3 (41) 41.0
 
Sept. 19, 2021, midnight 14.3 ppb (14) 1.3 ppb (2) 11.2 ppb (11) 13.0 ppb (13) 9.8 ppb (10) 0.0 ppb (0) 34.0 ppb (32) 0.29 ppb (4) 17.0 μg/m3 (16) 9.8 μg/m3 (41) 41.0
 
Sept. 18, 2021, 11 p.m. 5.9 ppb (6) 0.7 ppb (1) 5.2 ppb (5) 5.0 ppb (5) 4.3 ppb (5) 0.0 ppb (0) 46.0 ppb (43) 0.22 ppb (3) 17.0 μg/m3 (16) 9.9 μg/m3 (42) 43.0
 
Sept. 18, 2021, 10 p.m. 3.2 ppb (4) 0.5 ppb (1) 3.0 ppb (3) 3.0 ppb (3) 2.4 ppb (3) 0.0 ppb (0) 47.0 ppb (44) 0.15 ppb (2) 14.0 μg/m3 (13) 8.6 μg/m3 (36) 44.0
 
Sept. 18, 2021, 9 p.m. 3.1 ppb (3) 0.7 ppb (1) 3.0 ppb (3) 2.0 ppb (2) 2.2 ppb (3) 0.0 ppb (0) 45.0 ppb (42) 0.15 ppb (2) 14.0 μg/m3 (13) 7.9 μg/m3 (33) 42.0
 
Sept. 18, 2021, 8 p.m. 2.9 ppb (3) 0.7 ppb (1) 2.9 ppb (3) 2.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) 42.0 ppb (39) 0.14 ppb (2) 14.0 μg/m3 (13) 7.1 μg/m3 (30) 39.0
 
Sept. 18, 2021, 7 p.m. 2.8 ppb (3) 0.7 ppb (1) 2.6 ppb (3) 2.0 ppb (2) 1.9 ppb (2) 0.0 ppb (0) 41.0 ppb (38) 0.15 ppb (2) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 38.0
 
Sept. 18, 2021, 6 p.m. 2.4 ppb (3) 0.5 ppb (1) 2.4 ppb (3) 2.0 ppb (2) 1.8 ppb (2) 0.0 ppb (0) 44.0 ppb (41) 0.19 ppb (3) 16.0 μg/m3 (15) 7.3 μg/m3 (31) 41.0
 
Sept. 18, 2021, 5 p.m. 3.2 ppb (4) 0.6 ppb (1) 3.3 ppb (4) 3.0 ppb (3) 2.3 ppb (3) 0.0 ppb (0) 43.0 ppb (40) 0.14 ppb (2) 14.0 μg/m3 (13) 7.7 μg/m3 (33) 40.0
 
Sept. 18, 2021, 4 p.m. 4.0 ppb (4) 0.8 ppb (1) 4.7 ppb (5) 3.0 ppb (3) 3.2 ppb (4) 0.0 ppb (0) 39.0 ppb (37) 0.15 ppb (2) 15.0 μg/m3 (14) 8.4 μg/m3 (36) 37.0
 
Sept. 18, 2021, 3 p.m. 6.3 ppb (6) 1.5 ppb (2) 7.2 ppb (7) 5.0 ppb (5) 4.7 ppb (5) 0.0 ppb (0) 33.0 ppb (31) 0.17 ppb (3) 22.0 μg/m3 (21) 13.3 μg/m3 (54) 54.0
 
Sept. 18, 2021, 2 p.m. 9.1 ppb (9) 2.7 ppb (3) 11.0 ppb (11) 6.0 ppb (6) 6.8 ppb (7) 0.0 ppb (0) 25.0 ppb (24) 0.18 ppb (3) 35.0 μg/m3 (33) 16.7 μg/m3 (61) 61.0
 
Sept. 18, 2021, 1 p.m. 7.1 ppb (7) 1.9 ppb (2) 7.9 ppb (8) 5.0 ppb (5) 4.5 ppb (5) 0.0 ppb (0) 20.0 ppb (19) 0.2 ppb (3) 29.0 μg/m3 (27) 17.0 μg/m3 (62) 62.0
 
Sept. 18, 2021, noon 7.0 ppb (7) 0.9 ppb (1) 9.1 ppb (9) 6.0 ppb (6) 6.1 ppb (6) 0.0 ppb (0) 12.0 ppb (12) 0.2 ppb (3) 26.0 μg/m3 (25) 16.5 μg/m3 (61) 61.0
 
Sept. 18, 2021, 11 a.m. 4.4 ppb (5) 0.2 ppb (1) 5.5 ppb (6) 4.0 ppb (4) 3.5 ppb (4) 0.0 ppb (0) 16.0 ppb (15) 0.17 ppb (3) 27.0 μg/m3 (25) 16.7 μg/m3 (61) 61.0
 
Sept. 18, 2021, 10 a.m. 3.3 ppb (4) 0.1 ppb (1) 4.0 ppb (4) 3.0 ppb (3) 2.4 ppb (3) 0.0 ppb (0) 24.0 ppb (23) 0.16 ppb (3) 27.0 μg/m3 (25) 16.4 μg/m3 (61) 61.0
 
Sept. 18, 2021, 9 a.m. 3.8 ppb (4) 0.2 ppb (1) 4.3 ppb (5) 4.0 ppb (4) 2.4 ppb (3) 0.0 ppb (0) 25.0 ppb (24) 0.16 ppb (3) 28.0 μg/m3 (26) 15.8 μg/m3 (59) 59.0
 
Sept. 18, 2021, 8 a.m. 6.2 ppb (6) 0.2 ppb (1) 6.3 ppb (6) 6.0 ppb (6) 4.3 ppb (5) 0.0 ppb (0) 16.0 ppb (15) 0.21 ppb (3) 26.0 μg/m3 (25) 14.8 μg/m3 (57) 57.0
 
Sept. 18, 2021, 7 a.m. 6.4 ppb (7) 0.2 ppb (1) 6.6 ppb (7) 6.0 ppb (6) 4.8 ppb (5) 0.0 ppb (0) 21.0 ppb (20) 0.22 ppb (3) 29.0 μg/m3 (27) 14.7 μg/m3 (57) 57.0
 
Sept. 18, 2021, 6 a.m. 7.0 ppb (7) 0.3 ppb (1) 6.5 ppb (7) 7.0 ppb (7) 4.7 ppb (5) 0.0 ppb (0) 25.0 ppb (24) 0.23 ppb (3) 28.0 μg/m3 (26) 14.6 μg/m3 (57) 57.0
 
Sept. 18, 2021, 5 a.m. 9.1 ppb (9) 0.2 ppb (1) 11.3 ppb (11) 9.0 ppb (9) 9.4 ppb (9) 0.0 ppb (0) 22.0 ppb (21) 0.27 ppb (4) 27.0 μg/m3 (25) 14.6 μg/m3 (57) 57.0
 
Sept. 18, 2021, 4 a.m. 9.5 ppb (9) 0.1 ppb (1) 11.9 ppb (12) 9.0 ppb (9) 10.2 ppb (10) 0.0 ppb (0) 23.0 ppb (22) 0.27 ppb (4) 26.0 μg/m3 (25) 14.4 μg/m3 (56) 56.0
 
Sept. 18, 2021, 3 a.m. 17.6 ppb (17) 0.9 ppb (1) 18.4 ppb (18) 17.0 ppb (17) 15.9 ppb (15) 0.0 ppb (0) 19.0 ppb (18) 0.39 ppb (5) 29.0 μg/m3 (27) 15.3 μg/m3 (58) 58.0
 
Sept. 18, 2021, 2 a.m. 23.7 ppb (23) 1.8 ppb (2) 26.5 ppb (25) 22.0 ppb (21) 22.5 ppb (22) 0.0 ppb (0) 13.0 ppb (13) 0.49 ppb (6) 28.0 μg/m3 (26) 14.2 μg/m3 (56) 56.0
 
Sept. 18, 2021, 1 a.m. 23.5 ppb (23) 0.4 ppb (1) 26.2 ppb (25) 23.0 ppb (22) 23.1 ppb (22) 0.0 ppb (0) 17.0 ppb (16) 0.6 ppb (7) 21.0 μg/m3 (20) 11.5 μg/m3 (48) 48.0
 
Sept. 18, 2021, midnight 14.4 ppb (14) 0.5 ppb (1) 15.7 ppb (15) 14.0 ppb (14) 14.5 ppb (14) 0.0 ppb (0) 34.0 ppb (32) 0.34 ppb (4) 28.0 μg/m3 (26) 11.3 μg/m3 (48) 48.0
 
Sept. 17, 2021, 11 p.m. 4.7 ppb (5) 0.5 ppb (1) 4.6 ppb (5) 4.0 ppb (4) 4.0 ppb (4) 0.0 ppb (0) 49.0 ppb (46) 0.18 ppb (3) 22.0 μg/m3 (21) 10.7 μg/m3 (45) 46.0
 
Sept. 17, 2021, 10 p.m. 4.0 ppb (4) 0.7 ppb (1) 3.4 ppb (4) 3.0 ppb (3) 2.8 ppb (3) 0.0 ppb (0) 49.0 ppb (46) 0.17 ppb (3) 22.0 μg/m3 (21) 12.3 μg/m3 (52) 52.0
 
Sept. 17, 2021, 9 p.m. 3.8 ppb (4) 0.7 ppb (1) 3.9 ppb (4) 3.0 ppb (3) 3.0 ppb (3) 0.0 ppb (0) 51.0 ppb (48) 0.17 ppb (3) 23.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2021, 8 p.m. 3.7 ppb (4) 0.6 ppb (1) 3.6 ppb (4) 3.0 ppb (3) 2.9 ppb (3) 0.0 ppb (0) 49.0 ppb (46) 0.16 ppb (3) 26.0 μg/m3 (25) 12.3 μg/m3 (52) 52.0
 
Sept. 17, 2021, 7 p.m. 3.8 ppb (4) 0.6 ppb (1) 3.7 ppb (4) 3.0 ppb (3) 3.0 ppb (3) 0.0 ppb (0) 50.0 ppb (47) 0.15 ppb (2) 25.0 μg/m3 (24) 12.4 μg/m3 (52) 52.0
 
Sept. 17, 2021, 6 p.m. 5.2 ppb (5) 0.7 ppb (1) 4.9 ppb (5) 4.0 ppb (4) 4.1 ppb (4) 0.0 ppb (0) 54.0 ppb (50) 0.18 ppb (3) 29.0 μg/m3 (27) 13.0 μg/m3 (53) 53.0
 
Sept. 17, 2021, 5 p.m. 3.6 ppb (4) 0.4 ppb (1) 3.7 ppb (4) 3.0 ppb (3) 3.2 ppb (4) 0.0 ppb (0) 52.0 ppb (49) 0.16 ppb (3) 24.0 μg/m3 (23) 12.6 μg/m3 (53) 53.0
 
Sept. 17, 2021, 4 p.m. 4.5 ppb (5) 0.7 ppb (1) 4.6 ppb (5) 4.0 ppb (4) 3.7 ppb (4) 0.0 ppb (0) 44.0 ppb (41) 0.16 ppb (3) 21.0 μg/m3 (20) 11.8 μg/m3 (50) 50.0
 
Sept. 17, 2021, 3 p.m. 5.9 ppb (6) 1.3 ppb (2) 6.4 ppb (7) 5.0 ppb (5) 4.5 ppb (5) 0.0 ppb (0) 34.0 ppb (32) 0.16 ppb (3) 25.0 μg/m3 (24) 10.8 μg/m3 (46) 46.0
 
Sept. 17, 2021, 2 p.m. 7.6 ppb (8) 1.7 ppb (2) 8.6 ppb (9) 6.0 ppb (6) 5.4 ppb (6) 0.0 ppb (0) 28.0 ppb (26) 0.19 ppb (3) 30.0 μg/m3 (28) 12.3 μg/m3 (52) 52.0
 
Sept. 17, 2021, 1 p.m. 23.0 ppb (22) 10.2 ppb (10) 25.1 ppb (24) 13.0 ppb (13) 13.2 ppb (13) 0.0 ppb (0) 14.0 ppb (13) 0.34 ppb (4) 32.0 μg/m3 (30) 13.2 μg/m3 (54) 54.0
 
Sept. 17, 2021, noon 22.8 ppb (22) 10.5 ppb (10) 24.8 ppb (24) 12.0 ppb (12) 12.3 ppb (12) 0.0 ppb (0) 2.0 ppb (2) 0.33 ppb (4) 22.0 μg/m3 (21) 11.6 μg/m3 (49) 49.0
 
Sept. 17, 2021, 11 a.m. 11.8 ppb (12) 1.9 ppb (2) 17.1 ppb (17) 10.0 ppb (10) 11.5 ppb (11) 0.0 ppb (0) 6.0 ppb (6) 0.24 ppb (3) 20.0 μg/m3 (19) 10.4 μg/m3 (44) 44.0
 
Sept. 17, 2021, 10 a.m. 7.9 ppb (8) 0.2 ppb (1) 9.4 ppb (9) 8.0 ppb (8) 7.6 ppb (8) 0.0 ppb (0) 12.0 ppb (12) 0.2 ppb (3) 19.0 μg/m3 (18) 10.4 μg/m3 (44) 44.0
 
Sept. 17, 2021, 9 a.m. 8.5 ppb (9) 0.3 ppb (1) 8.2 ppb (8) 8.0 ppb (8) 6.9 ppb (7) 0.0 ppb (0) 17.0 ppb (16) 0.2 ppb (3) 20.0 μg/m3 (19) 10.1 μg/m3 (43) 43.0
 
Sept. 17, 2021, 8 a.m. 4.8 ppb (5) 0.0 ppb (0) 4.9 ppb (5) 5.0 ppb (5) 4.3 ppb (5) 0.0 ppb (0) 27.0 ppb (25) 0.16 ppb (3) 37.0 μg/m3 (35) 10.8 μg/m3 (46) 46.0
 
Sept. 17, 2021, 7 a.m. 3.1 ppb (3) 0.0 ppb (0) 2.8 ppb (3) 3.0 ppb (3) 2.6 ppb (3) 0.0 ppb (0) 33.0 ppb (31) 0.14 ppb (2) 28.0 μg/m3 (26) 10.3 μg/m3 (43) 43.0
 
Sept. 17, 2021, 6 a.m. 2.5 ppb (3) 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) 1.9 ppb (2) 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) 19.0 μg/m3 (18) 9.8 μg/m3 (41) 41.0
 
Sept. 17, 2021, 5 a.m. 2.2 ppb (3) 0.0 ppb (0) 1.7 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 39.0 ppb (37) 0.14 ppb (2) 22.0 μg/m3 (21) 9.5 μg/m3 (40) 40.0
 
Sept. 17, 2021, 4 a.m. 3.4 ppb (4) 0.1 ppb (1) 3.0 ppb (3) 3.0 ppb (3) 2.5 ppb (3) 0.0 ppb (0) 40.0 ppb (38) 0.15 ppb (2) 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Sept. 17, 2021, 3 a.m. 9.3 ppb (9) 0.0 ppb (0) 9.2 ppb (9) 9.0 ppb (9) 7.9 ppb (8) 0.0 ppb (0) 31.0 ppb (29) 0.23 ppb (3) 25.0 μg/m3 (24) 11.2 μg/m3 (47) 47.0
 
Sept. 17, 2021, 2 a.m. 15.1 ppb (15) 0.1 ppb (1) 15.3 ppb (15) 15.0 ppb (15) 13.9 ppb (14) 0.0 ppb (0) 22.0 ppb (21) 0.34 ppb (4) 30.0 μg/m3 (28) 11.3 μg/m3 (48) 48.0
 
Sept. 17, 2021, 1 a.m. 19.9 ppb (19) 1.0 ppb (1) 18.9 ppb (18) 19.0 ppb (18) 17.1 ppb (17) 0.0 ppb (0) 17.0 ppb (16) 0.35 ppb (4) 25.0 μg/m3 (24) 10.8 μg/m3 (46) 46.0
 
Sept. 17, 2021, midnight 8.7 ppb (9) 0.5 ppb (1) 7.3 ppb (7) 8.0 ppb (8) 6.8 ppb (7) 0.0 ppb (0) 34.0 ppb (32) 0.22 ppb (3) 24.0 μg/m3 (23) 9.9 μg/m3 (42) 42.0
 
Sept. 16, 2021, 11 p.m. 3.1 ppb (3) 0.2 ppb (1) 2.5 ppb (3) 3.0 ppb (3) 2.3 ppb (3) 0.0 ppb (0) 45.0 ppb (42) 0.14 ppb (2) 20.0 μg/m3 (19) 8.8 μg/m3 (37) 42.0
 
Sept. 16, 2021, 10 p.m. 3.0 ppb (3) 0.4 ppb (1) 2.8 ppb (3) 3.0 ppb (3) 2.4 ppb (3) 0.0 ppb (0) 48.0 ppb (45) 0.14 ppb (2) 21.0 μg/m3 (20) 8.6 μg/m3 (36) 45.0
 
Sept. 16, 2021, 9 p.m. 3.3 ppb (4) 0.6 ppb (1) 2.7 ppb (3) 3.0 ppb (3) 2.1 ppb (2) 0.0 ppb (0) 46.0 ppb (43) 0.18 ppb (3) 26.0 μg/m3 (25) 9.4 μg/m3 (40) 43.0
 
Sept. 16, 2021, 8 p.m. 2.8 ppb (3) 0.4 ppb (1) 2.4 ppb (3) 2.0 ppb (2) 1.9 ppb (2) 0.0 ppb (0) 43.0 ppb (40) 0.14 ppb (2) 22.0 μg/m3 (21) 9.8 μg/m3 (41) 41.0
 
Sept. 16, 2021, 7 p.m. 2.8 ppb (3) 0.4 ppb (1) 2.5 ppb (3) 2.0 ppb (2) 1.9 ppb (2) 0.0 ppb (0) 43.0 ppb (40) 0.13 ppb (2) 26.0 μg/m3 (25) 10.3 μg/m3 (43) 43.0
 
Sept. 16, 2021, 6 p.m. 2.3 ppb (3) 0.2 ppb (1) 2.0 ppb (2) 2.0 ppb (2) 1.6 ppb (2) 0.0 ppb (0) 42.0 ppb (39) 0.13 ppb (2) 28.0 μg/m3 (26) 9.7 μg/m3 (41) 41.0
 
Sept. 16, 2021, 5 p.m. 3.1 ppb (3) 0.5 ppb (1) 2.6 ppb (3) 3.0 ppb (3) 2.0 ppb (2) 0.0 ppb (0) 40.0 ppb (38) 0.14 ppb (2) 26.0 μg/m3 (25) 9.8 μg/m3 (41) 41.0
 
Sept. 16, 2021, 4 p.m. 4.3 ppb (5) 0.8 ppb (1) 3.6 ppb (4) 4.0 ppb (4) -0.1 ppb (0) 0.0 ppb (0) 39.0 ppb (37) 0.15 ppb (2) 28.0 μg/m3 (26) 10.3 μg/m3 (43) 43.0
 
Sept. 16, 2021, 3 p.m. 5.7 ppb (6) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 25.0 μg/m3 (24) 9.9 μg/m3 (42) 42.0
 
Sept. 16, 2021, 2 p.m. 8.0 ppb (8) 2.1 ppb (2) 13.5 ppb (13) 6.0 ppb (6) 0.4 ppb (1) 0.0 ppb (0) 26.0 ppb (25) 0.18 ppb (3) 23.0 μg/m3 (22) 10.1 μg/m3 (43) 43.0
 
Sept. 16, 2021, 1 p.m. 12.3 ppb (12) 3.0 ppb (3) 24.0 ppb (23) 9.0 ppb (9) 1.2 ppb (2) 0.0 ppb (0) 18.0 ppb (17) 0.21 ppb (3) 31.0 μg/m3 (29) 10.5 μg/m3 (44) 44.0
 
Sept. 16, 2021, noon 22.6 ppb (22) 10.2 ppb (10) 27.2 ppb (26) 12.0 ppb (12) 1.4 ppb (2) 0.0 ppb (0) 5.0 ppb (5) 0.35 ppb (4) 24.0 μg/m3 (23) 10.2 μg/m3 (43) 43.0
 
Sept. 16, 2021, 11 a.m. 8.5 ppb (9) 1.0 ppb (1) 25.5 ppb (25) 7.0 ppb (7) 1.4 ppb (2) 0.0 ppb (0) 7.0 ppb (7) 0.24 ppb (3) 18.0 μg/m3 (17) 9.5 μg/m3 (40) 40.0
 
Sept. 16, 2021, 10 a.m. 10.3 ppb (10) 2.0 ppb (2) 25.3 ppb (24) 8.0 ppb (8) 1.3 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 0.28 ppb (4) 15.0 μg/m3 (14) 9.2 μg/m3 (39) 39.0
 
Sept. 16, 2021, 9 a.m. 10.4 ppb (10) 1.6 ppb (2) 24.1 ppb (23) 9.0 ppb (9) 1.2 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 0.29 ppb (4) 16.0 μg/m3 (15) 9.2 μg/m3 (39) 39.0
 
Sept. 16, 2021, 8 a.m. 9.8 ppb (10) 0.6 ppb (1) 22.4 ppb (22) 9.0 ppb (9) 1.1 ppb (2) 0.0 ppb (0) 4.0 ppb (4) 0.31 ppb (4) 17.0 μg/m3 (16) 9.4 μg/m3 (40) 40.0
 
Sept. 16, 2021, 7 a.m. 10.6 ppb (10) 1.2 ppb (2) 21.3 ppb (21) 9.0 ppb (9) 1.0 ppb (1) 0.0 ppb (0) 8.0 ppb (8) 0.29 ppb (4) 18.0 μg/m3 (17) 9.6 μg/m3 (40) 40.0
 
Sept. 16, 2021, 6 a.m. 11.9 ppb (12) 0.5 ppb (1) 20.0 ppb (19) 11.0 ppb (11) 0.9 ppb (1) 0.0 ppb (0) 11.0 ppb (11) 0.3 ppb (4) 20.0 μg/m3 (19) 9.8 μg/m3 (41) 41.0
 
Sept. 16, 2021, 5 a.m. 10.4 ppb (10) 0.3 ppb (1) 19.0 ppb (18) 10.0 ppb (10) 0.8 ppb (1) 0.0 ppb (0) 15.0 ppb (14) 0.27 ppb (4) 20.0 μg/m3 (19) 9.8 μg/m3 (41) 41.0
 
Sept. 16, 2021, 4 a.m. 15.0 ppb (15) 0.4 ppb (1) 17.3 ppb (17) 15.0 ppb (15) 0.7 ppb (1) 0.0 ppb (0) 13.0 ppb (13) 0.35 ppb (4) 21.0 μg/m3 (20) 9.7 μg/m3 (41) 41.0
 
Sept. 16, 2021, 3 a.m. 12.2 ppb (12) 0.2 ppb (1) 13.9 ppb (14) 12.0 ppb (12) 0.5 ppb (1) 0.0 ppb (0) 21.0 ppb (20) 0.3 ppb (4) 24.0 μg/m3 (23) 9.2 μg/m3 (39) 39.0
 
Sept. 16, 2021, 2 a.m. 17.4 ppb (17) 0.5 ppb (1) 10.2 ppb (10) 17.0 ppb (17) 0.2 ppb (1) 0.0 ppb (0) 21.0 ppb (20) 0.36 ppb (5) 19.0 μg/m3 (18) 8.5 μg/m3 (36) 36.0
 
Sept. 16, 2021, 1 a.m. 12.4 ppb (12) 0.2 ppb (1) 5.9 ppb (6) 12.0 ppb (12) 0.0 ppb (0) 0.0 ppb (0) 35.0 ppb (33) 0.26 ppb (4) 20.0 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
Sept. 16, 2021, midnight 12.1 ppb (12) 0.3 ppb (1) 4.7 ppb (5) 12.0 ppb (12) -0.2 ppb (0) 0.0 ppb (0) 39.0 ppb (37) 0.26 ppb (4) 21.0 μg/m3 (20) 7.7 μg/m3 (33) 37.0
 
Sept. 15, 2021, 11 p.m. 9.7 ppb (10) 0.4 ppb (1) 2.1 ppb (2) 9.0 ppb (9) -0.3 ppb (0) 0.0 ppb (0) 47.0 ppb (44) 0.21 ppb (3) 22.0 μg/m3 (21) 7.8 μg/m3 (33) 44.0
 
Sept. 15, 2021, 10 p.m. 3.8 ppb (4) 0.4 ppb (1) 2.0 ppb (2) 3.0 ppb (3) -0.4 ppb (0) 0.0 ppb (0) 52.0 ppb (49) 0.15 ppb (2) 17.0 μg/m3 (16) 6.9 μg/m3 (29) 49.0
 
Sept. 15, 2021, 9 p.m. 3.2 ppb (4) 0.4 ppb (1) 0.8 ppb (1) 3.0 ppb (3) -0.4 ppb (0) 0.0 ppb (0) 46.0 ppb (43) 0.14 ppb (2) 21.0 μg/m3 (20) 8.2 μg/m3 (35) 43.0
 
Sept. 15, 2021, 8 p.m. 3.5 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) 0.13 ppb (2) 21.0 μg/m3 (20) 8.8 μg/m3 (37) 40.0
 
Sept. 15, 2021, 7 p.m. 3.5 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (46) 0.12 ppb (2) 25.0 μg/m3 (24) 8.9 μg/m3 (38) 46.0
 
Sept. 15, 2021, 6 p.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.11 ppb (2) 23.0 μg/m3 (22) 8.2 μg/m3 (35) 44.0
 
Sept. 15, 2021, 5 p.m. 2.5 ppb (3) 0.2 ppb (1) 2.5 ppb (3) 2.0 ppb (2) 2.4 ppb (3) N/A 46.0 ppb (43) 0.11 ppb (2) 24.0 μg/m3 (23) 8.5 μg/m3 (36) 43.0
 
Sept. 15, 2021, 4 p.m. 4.6 ppb (5) 0.8 ppb (1) 4.0 ppb (4) 4.0 ppb (4) 3.5 ppb (4) N/A 44.0 ppb (41) 0.12 ppb (2) 30.0 μg/m3 (28) 8.1 μg/m3 (34) 41.0
 
Sept. 15, 2021, 3 p.m. 8.0 ppb (8) 1.3 ppb (2) 7.6 ppb (8) 7.0 ppb (7) 6.5 ppb (7) N/A 39.0 ppb (37) 0.15 ppb (2) 41.0 μg/m3 (38) 8.4 μg/m3 (36) 38.0
 
Sept. 15, 2021, 2 p.m. 7.3 ppb (7) 1.2 ppb (2) 6.7 ppb (7) 6.0 ppb (6) 5.5 ppb (6) 0.0 ppb (0) 36.0 ppb (34) 0.15 ppb (2) 25.0 μg/m3 (24) 7.0 μg/m3 (30) 34.0
 
Sept. 15, 2021, 1 p.m. 9.2 ppb (9) 1.7 ppb (2) 9.9 ppb (10) 8.0 ppb (8) 7.7 ppb (8) 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 24.0 μg/m3 (23) 7.8 μg/m3 (33) 33.0
 
Sept. 15, 2021, noon 9.7 ppb (10) 0.9 ppb (1) 10.3 ppb (10) 9.0 ppb (9) 8.7 ppb (9) 0.0 ppb (0) 21.0 ppb (20) 0.18 ppb (3) 25.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2021, 11 a.m. 8.4 ppb (8) 0.6 ppb (1) 10.1 ppb (10) 8.0 ppb (8) 8.6 ppb (9) 0.0 ppb (0) 13.0 ppb (13) 0.16 ppb (3) 31.0 μg/m3 (29) 11.3 μg/m3 (48) 48.0
 
Sept. 15, 2021, 10 a.m. 8.1 ppb (8) 0.7 ppb (1) 9.0 ppb (9) 7.0 ppb (7) 7.7 ppb (8) 0.0 ppb (0) 15.0 ppb (14) 0.16 ppb (3) 28.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2021, 9 a.m. 4.4 ppb (5) 0.1 ppb (1) 6.0 ppb (6) 4.0 ppb (4) 5.2 ppb (5) 0.0 ppb (0) 16.0 ppb (15) 0.13 ppb (2) 23.0 μg/m3 (22) 10.5 μg/m3 (44) 44.0
 
Sept. 15, 2021, 8 a.m. 3.8 ppb (4) 0.1 ppb (1) 4.9 ppb (5) 4.0 ppb (4) 4.2 ppb (4) 0.0 ppb (0) 19.0 ppb (18) 0.13 ppb (2) 22.0 μg/m3 (21) 9.9 μg/m3 (42) 42.0