ID: 2156

AQSQID: 060190011

Site Name: Fresno - Garland

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

Updated: Sept. 21, 2021, 7:57 a.m.

Location: Fresno (Mclane), CA

Reporting: True, Located: True

Current AQI: 70.0

Fresno (Mclane) CA, US: 36.78538, -119.77321

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2021, 5 a.m. 13.1 ppb (13) -0.1 ppb (0) 15.3 ppb (15) 13.0 ppb (13) 15.5 ppb (15) 0.0 ppb (0) 25.0 ppb (24) 0.28 ppb (4) 92.0 μg/m3 (70) 10.1 μg/m3 (43) 70.0
 
Sept. 21, 2021, 4 a.m. 14.4 ppb (14) -0.2 ppb (0) 17.4 ppb (17) 15.0 ppb (15) 17.5 ppb (17) 1.0 ppb (2) 25.0 ppb (24) 0.3 ppb (4) 95.0 μg/m3 (71) 12.3 μg/m3 (52) 71.0
 
Sept. 21, 2021, 3 a.m. 13.8 ppb (14) -0.2 ppb (0) 16.4 ppb (16) 14.0 ppb (14) 16.6 ppb (16) 1.0 ppb (2) 29.0 ppb (27) 0.35 ppb (4) 92.0 μg/m3 (70) 12.8 μg/m3 (53) 70.0
 
Sept. 21, 2021, 2 a.m. 10.4 ppb (10) -0.2 ppb (0) 13.0 ppb (13) 11.0 ppb (11) 13.2 ppb (13) 0.0 ppb (0) 36.0 ppb (34) 0.34 ppb (4) 90.0 μg/m3 (69) 10.7 μg/m3 (45) 69.0
 
Sept. 21, 2021, 1 a.m. 4.6 ppb (5) -0.2 ppb (0) 7.3 ppb (7) 5.0 ppb (5) 7.4 ppb (7) 0.0 ppb (0) 50.0 ppb (47) 0.23 ppb (3) 72.0 μg/m3 (60) 7.3 μg/m3 (31) 60.0
 
Sept. 21, 2021, midnight 4.2 ppb (4) -0.1 ppb (0) 7.2 ppb (7) 4.0 ppb (4) 7.2 ppb (7) 1.0 ppb (2) 56.0 ppb (55) 0.21 ppb (3) 53.0 μg/m3 (50) 6.8 μg/m3 (29) 55.0
 
Sept. 20, 2021, 11 p.m. 5.9 ppb (6) 0.1 ppb (1) 9.4 ppb (9) 6.0 ppb (6) 9.2 ppb (9) 1.0 ppb (2) 57.0 ppb (58) 0.25 ppb (3) 44.0 μg/m3 (41) 8.1 μg/m3 (34) 58.0
 
Sept. 20, 2021, 10 p.m. 6.0 ppb (6) 0.2 ppb (1) 9.6 ppb (10) 6.0 ppb (6) 9.2 ppb (9) 1.0 ppb (2) 55.0 ppb (51) 0.24 ppb (3) 46.0 μg/m3 (43) 9.5 μg/m3 (40) 51.0
 
Sept. 20, 2021, 9 p.m. 6.5 ppb (7) 0.4 ppb (1) 9.8 ppb (10) 6.0 ppb (6) 9.2 ppb (9) 2.0 ppb (3) 50.0 ppb (47) 0.23 ppb (3) 48.0 μg/m3 (45) 8.5 μg/m3 (36) 47.0
 
Sept. 20, 2021, 8 p.m. 8.2 ppb (8) 0.8 ppb (1) 11.5 ppb (11) 7.0 ppb (7) 10.5 ppb (10) 3.0 ppb (5) 46.0 ppb (43) 0.24 ppb (3) 47.0 μg/m3 (44) 10.1 μg/m3 (43) 44.0
 
Sept. 20, 2021, 7 p.m. 5.1 ppb (5) 0.4 ppb (1) 7.3 ppb (7) 5.0 ppb (5) 6.8 ppb (7) 1.0 ppb (2) 44.0 ppb (41) 0.21 ppb (3) 42.0 μg/m3 (39) 5.1 μg/m3 (22) 41.0
 
Sept. 20, 2021, 6 p.m. 4.7 ppb (5) 0.4 ppb (1) 6.6 ppb (7) 4.0 ppb (4) 6.2 ppb (6) 1.0 ppb (2) 40.0 ppb (38) 0.2 ppb (3) 46.0 μg/m3 (43) 5.0 μg/m3 (21) 43.0
 
Sept. 20, 2021, 5 p.m. 5.7 ppb (6) 0.7 ppb (1) 7.8 ppb (8) 5.0 ppb (5) 7.0 ppb (7) 1.0 ppb (2) 35.0 ppb (33) 0.22 ppb (3) 35.0 μg/m3 (33) 7.5 μg/m3 (32) 33.0
 
Sept. 20, 2021, 4 p.m. 10.1 ppb (10) 2.1 ppb (2) 12.5 ppb (12) 8.0 ppb (8) 10.0 ppb (10) 1.0 ppb (2) 27.0 ppb (25) 0.27 ppb (4) 43.0 μg/m3 (40) 10.3 μg/m3 (43) 43.0
 
Sept. 20, 2021, 3 p.m. 10.8 ppb (11) 2.4 ppb (3) 12.8 ppb (13) 8.0 ppb (8) 10.1 ppb (10) 0.0 ppb (0) 18.0 ppb (17) 0.29 ppb (4) 34.0 μg/m3 (32) 8.0 μg/m3 (34) 34.0
 
Sept. 20, 2021, 2 p.m. 26.6 ppb (26) 10.0 ppb (10) 24.6 ppb (24) 17.0 ppb (17) 17.4 ppb (17) 0.0 ppb (0) 7.0 ppb (7) 0.38 ppb (5) 37.0 μg/m3 (35) 10.9 μg/m3 (46) 46.0
 
Sept. 20, 2021, 1 p.m. 15.8 ppb (15) 1.6 ppb (2) 19.0 ppb (18) 14.0 ppb (14) 17.3 ppb (17) 0.0 ppb (0) 4.0 ppb (4) 0.34 ppb (4) 29.0 μg/m3 (27) 4.4 μg/m3 (19) 27.0
 
Sept. 20, 2021, noon N/A N/A 11.5 ppb (11) N/A 11.4 ppb (11) 0.0 ppb (0) N/A 0.27 ppb (4) 27.0 μg/m3 (25) 6.5 μg/m3 (28) 28.0
 
Sept. 20, 2021, 11 a.m. 8.4 ppb (8) 0.0 ppb (0) 10.2 ppb (10) 8.0 ppb (8) 10.2 ppb (10) 1.0 ppb (2) 12.0 ppb (12) 0.24 ppb (3) 23.0 μg/m3 (22) 10.8 μg/m3 (46) 46.0
 
Sept. 20, 2021, 10 a.m. 7.2 ppb (7) -0.1 ppb (0) 8.5 ppb (9) 7.0 ppb (7) 8.6 ppb (9) 1.0 ppb (2) 15.0 ppb (14) 0.2 ppb (3) 23.0 μg/m3 (22) 4.7 μg/m3 (20) 22.0
 
Sept. 20, 2021, 9 a.m. 6.5 ppb (7) -0.1 ppb (0) 8.0 ppb (8) 7.0 ppb (7) 8.1 ppb (8) 0.0 ppb (0) 18.0 ppb (17) 0.2 ppb (3) 25.0 μg/m3 (24) 5.7 μg/m3 (24) 24.0
 
Sept. 20, 2021, 8 a.m. 5.4 ppb (6) -0.2 ppb (0) 6.8 ppb (7) 6.0 ppb (6) 6.9 ppb (7) 1.0 ppb (2) 21.0 ppb (20) 0.19 ppb (3) 24.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
Sept. 20, 2021, 7 a.m. 5.4 ppb (6) -0.1 ppb (0) 6.7 ppb (7) 6.0 ppb (6) 6.8 ppb (7) 0.0 ppb (0) 24.0 ppb (23) 0.19 ppb (3) 30.0 μg/m3 (28) 3.7 μg/m3 (16) 28.0
 
Sept. 20, 2021, 6 a.m. 5.7 ppb (6) -0.1 ppb (0) 6.9 ppb (7) 6.0 ppb (6) 7.0 ppb (7) 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) 33.0 μg/m3 (31) 1.7 μg/m3 (8) 31.0
 
Sept. 20, 2021, 4 a.m. 5.4 ppb (6) -0.2 ppb (0) 6.4 ppb (7) 6.0 ppb (6) 6.5 ppb (7) 1.0 ppb (2) 33.0 ppb (31) 0.21 ppb (3) 31.0 μg/m3 (29) 5.6 μg/m3 (24) 31.0
 
Sept. 20, 2021, 3 a.m. 4.6 ppb (5) -0.2 ppb (0) 5.4 ppb (6) 5.0 ppb (5) 5.6 ppb (6) 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) 32.0 μg/m3 (30) 4.9 μg/m3 (21) 32.0
 
Sept. 20, 2021, 2 a.m. 2.8 ppb (3) -0.2 ppb (0) 3.4 ppb (4) 3.0 ppb (3) 3.5 ppb (4) 0.0 ppb (0) 38.0 ppb (36) 0.23 ppb (3) 36.0 μg/m3 (34) 6.0 μg/m3 (25) 36.0
 
Sept. 20, 2021, 1 a.m. 2.0 ppb (2) -0.1 ppb (0) 2.7 ppb (3) 2.0 ppb (2) 2.8 ppb (3) 0.0 ppb (0) 42.0 ppb (39) 0.2 ppb (3) 47.0 μg/m3 (44) 4.8 μg/m3 (20) 44.0
 
Sept. 20, 2021, midnight 1.8 ppb (2) -0.1 ppb (0) 2.5 ppb (3) 2.0 ppb (2) 2.5 ppb (3) 0.0 ppb (0) 45.0 ppb (42) 0.17 ppb (3) 62.0 μg/m3 (55) 5.1 μg/m3 (22) 55.0
 
Sept. 19, 2021, 11 p.m. 1.9 ppb (2) 0.0 ppb (0) 2.6 ppb (3) 2.0 ppb (2) 2.6 ppb (3) 0.0 ppb (0) 45.0 ppb (42) 0.17 ppb (3) 65.0 μg/m3 (56) 2.6 μg/m3 (11) 56.0
 
Sept. 19, 2021, 10 p.m. 1.7 ppb (2) 0.0 ppb (0) 2.3 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) 38.0 ppb (36) 0.16 ppb (3) 54.0 μg/m3 (50) 1.0 μg/m3 (5) 50.0
 
Sept. 19, 2021, 9 p.m. 1.6 ppb (2) 0.0 ppb (0) 2.3 ppb (3) 2.0 ppb (2) 2.2 ppb (3) 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) 61.0 μg/m3 (54) 4.1 μg/m3 (18) 54.0
 
Sept. 19, 2021, 8 p.m. 1.6 ppb (2) 0.0 ppb (0) 2.3 ppb (3) 2.0 ppb (2) 2.2 ppb (3) 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 73.0 μg/m3 (60) 4.8 μg/m3 (20) 60.0
 
Sept. 19, 2021, 7 p.m. 1.7 ppb (2) 0.1 ppb (1) 2.1 ppb (2) 2.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) 70.0 μg/m3 (59) 5.6 μg/m3 (24) 59.0
 
Sept. 19, 2021, 6 p.m. 1.4 ppb (2) 0.1 ppb (1) 2.0 ppb (2) 1.0 ppb (1) 1.8 ppb (2) 0.0 ppb (0) 25.0 ppb (24) 0.14 ppb (2) 61.0 μg/m3 (54) 6.9 μg/m3 (29) 54.0
 
Sept. 19, 2021, 5 p.m. 2.0 ppb (2) 0.2 ppb (1) 2.3 ppb (3) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 23.0 ppb (22) 0.14 ppb (2) 33.0 μg/m3 (31) 7.0 μg/m3 (30) 31.0
 
Sept. 19, 2021, 4 p.m. 3.3 ppb (4) 0.6 ppb (1) 3.7 ppb (4) 3.0 ppb (3) 3.0 ppb (3) 0.0 ppb (0) 19.0 ppb (18) 0.14 ppb (2) 31.0 μg/m3 (29) 5.2 μg/m3 (22) 29.0
 
Sept. 19, 2021, 3 p.m. 4.4 ppb (5) 1.0 ppb (1) 5.2 ppb (5) 3.0 ppb (3) 4.1 ppb (4) 0.0 ppb (0) 14.0 ppb (13) 0.16 ppb (3) 8.0 μg/m3 (8) 2.3 μg/m3 (10) 13.0
 
Sept. 19, 2021, 2 p.m. 5.6 ppb (6) 0.7 ppb (1) 6.6 ppb (7) 5.0 ppb (5) 5.8 ppb (6) 0.0 ppb (0) 9.0 ppb (9) 0.17 ppb (3) 20.0 μg/m3 (19) 4.5 μg/m3 (19) 19.0
 
Sept. 19, 2021, 1 p.m. 4.7 ppb (5) 0.1 ppb (1) 5.8 ppb (6) 5.0 ppb (5) 5.7 ppb (6) 0.0 ppb (0) 9.0 ppb (9) 0.16 ppb (3) 7.0 μg/m3 (7) 1.7 μg/m3 (8) 9.0
 
Sept. 19, 2021, noon N/A N/A 4.8 ppb (5) N/A 4.7 ppb (5) 0.0 ppb (0) N/A 0.16 ppb (3) 9.0 μg/m3 (9) 0.5 μg/m3 (3) 9.0
 
Sept. 19, 2021, 11 a.m. 3.6 ppb (4) 0.0 ppb (0) 4.5 ppb (5) 4.0 ppb (4) 4.5 ppb (5) 0.0 ppb (0) 11.0 ppb (11) 0.15 ppb (2) 12.0 μg/m3 (12) 3.1 μg/m3 (13) 13.0
 
Sept. 19, 2021, 10 a.m. 3.4 ppb (4) 0.0 ppb (0) 4.1 ppb (4) 3.0 ppb (3) 4.1 ppb (4) 0.0 ppb (0) 12.0 ppb (12) 0.16 ppb (3) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Sept. 19, 2021, 9 a.m. 3.5 ppb (4) 0.0 ppb (0) 4.2 ppb (4) 3.0 ppb (3) 4.2 ppb (4) 0.0 ppb (0) 13.0 ppb (13) 0.16 ppb (3) 14.0 μg/m3 (13) 1.7 μg/m3 (8) 13.0
 
Sept. 19, 2021, 8 a.m. 3.0 ppb (3) -0.1 ppb (0) 3.7 ppb (4) 3.0 ppb (3) 3.8 ppb (4) 0.0 ppb (0) 15.0 ppb (14) 0.16 ppb (3) 18.0 μg/m3 (17) 2.1 μg/m3 (9) 17.0
 
Sept. 19, 2021, 7 a.m. 2.6 ppb (3) -0.1 ppb (0) 3.5 ppb (4) 3.0 ppb (3) 3.5 ppb (4) 0.0 ppb (0) 18.0 ppb (17) 0.17 ppb (3) 24.0 μg/m3 (23) 2.2 μg/m3 (10) 23.0
 
Sept. 19, 2021, 6 a.m. 2.4 ppb (3) 0.1 ppb (1) 3.2 ppb (4) 2.0 ppb (2) 3.2 ppb (4) 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) 46.0 μg/m3 (43) 3.7 μg/m3 (16) 43.0
 
Sept. 19, 2021, 5 a.m. 2.8 ppb (3) 0.2 ppb (1) 3.5 ppb (4) 3.0 ppb (3) 3.5 ppb (4) 0.0 ppb (0) 27.0 ppb (25) 0.18 ppb (3) 45.0 μg/m3 (42) 7.3 μg/m3 (31) 42.0
 
Sept. 19, 2021, 4 a.m. 2.8 ppb (3) 0.0 ppb (0) 4.0 ppb (4) 3.0 ppb (3) 4.0 ppb (4) 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) 43.0 μg/m3 (40) 10.1 μg/m3 (43) 43.0
 
Sept. 19, 2021, 3 a.m. 2.7 ppb (3) -0.2 ppb (0) 4.1 ppb (4) 3.0 ppb (3) 4.3 ppb (5) 0.0 ppb (0) 39.0 ppb (37) 0.19 ppb (3) 52.0 μg/m3 (49) 6.7 μg/m3 (28) 49.0
 
Sept. 19, 2021, 2 a.m. 3.7 ppb (4) 0.0 ppb (0) 5.6 ppb (6) 4.0 ppb (4) 5.5 ppb (6) 0.0 ppb (0) 43.0 ppb (40) 0.21 ppb (3) 70.0 μg/m3 (59) 9.2 μg/m3 (39) 59.0
 
Sept. 19, 2021, 1 a.m. 3.0 ppb (3) -0.1 ppb (0) 4.9 ppb (5) 3.0 ppb (3) 5.0 ppb (5) 0.0 ppb (0) 48.0 ppb (45) 0.2 ppb (3) 79.0 μg/m3 (63) 11.4 μg/m3 (48) 63.0
 
Sept. 19, 2021, midnight 2.4 ppb (3) -0.1 ppb (0) 4.4 ppb (5) 3.0 ppb (3) 4.4 ppb (5) 0.0 ppb (0) 53.0 ppb (50) 0.2 ppb (3) 85.0 μg/m3 (66) 13.5 μg/m3 (54) 66.0
 
Sept. 18, 2021, 11 p.m. 2.6 ppb (3) 0.0 ppb (0) 4.6 ppb (5) 3.0 ppb (3) 4.5 ppb (5) 0.0 ppb (0) 53.0 ppb (50) 0.2 ppb (3) 94.0 μg/m3 (71) 10.1 μg/m3 (43) 71.0
 
Sept. 18, 2021, 10 p.m. 2.5 ppb (3) 0.0 ppb (0) 4.7 ppb (5) 3.0 ppb (3) 4.7 ppb (5) 0.0 ppb (0) 53.0 ppb (50) 0.2 ppb (3) 118.0 μg/m3 (83) 10.9 μg/m3 (46) 83.0
 
Sept. 18, 2021, 9 p.m. 2.7 ppb (3) 0.0 ppb (0) 5.2 ppb (5) 3.0 ppb (3) 5.1 ppb (5) 0.0 ppb (0) 51.0 ppb (48) 0.24 ppb (3) 97.0 μg/m3 (72) 18.2 μg/m3 (64) 72.0
 
Sept. 18, 2021, 8 p.m. 3.0 ppb (3) 0.0 ppb (0) 5.7 ppb (6) 3.0 ppb (3) 5.7 ppb (6) 0.0 ppb (0) 48.0 ppb (45) 0.25 ppb (3) 86.0 μg/m3 (67) 19.0 μg/m3 (66) 67.0
 
Sept. 18, 2021, 7 p.m. 3.6 ppb (4) 0.1 ppb (1) 6.4 ppb (7) 4.0 ppb (4) 6.3 ppb (6) 1.0 ppb (2) 45.0 ppb (42) 0.25 ppb (3) 104.0 μg/m3 (76) 17.9 μg/m3 (64) 76.0
 
Sept. 18, 2021, 6 p.m. 4.2 ppb (4) 0.1 ppb (1) 7.1 ppb (7) 4.0 ppb (4) 6.8 ppb (7) 1.0 ppb (2) 42.0 ppb (39) 0.26 ppb (4) 90.0 μg/m3 (69) 22.0 μg/m3 (72) 72.0
 
Sept. 18, 2021, 5 p.m. 4.2 ppb (4) 0.3 ppb (1) 6.4 ppb (7) 4.0 ppb (4) 6.0 ppb (6) 0.0 ppb (0) 33.0 ppb (31) 0.26 ppb (4) 77.0 μg/m3 (62) 16.5 μg/m3 (61) 62.0
 
Sept. 18, 2021, 4 p.m. 4.3 ppb (5) 0.5 ppb (1) 6.1 ppb (6) 4.0 ppb (4) 5.6 ppb (6) 0.0 ppb (0) 27.0 ppb (25) 0.24 ppb (3) 60.0 μg/m3 (54) 15.2 μg/m3 (58) 58.0
 
Sept. 18, 2021, 3 p.m. 4.4 ppb (5) 0.5 ppb (1) 6.1 ppb (6) 4.0 ppb (4) 5.6 ppb (6) 0.0 ppb (0) 23.0 ppb (22) 0.24 ppb (3) 50.0 μg/m3 (47) 16.0 μg/m3 (60) 60.0
 
Sept. 18, 2021, 2 p.m. 4.5 ppb (5) 0.1 ppb (1) 6.2 ppb (6) 4.0 ppb (4) 6.0 ppb (6) 0.0 ppb (0) 20.0 ppb (19) 0.23 ppb (3) 39.0 μg/m3 (37) 14.3 μg/m3 (56) 56.0
 
Sept. 18, 2021, 1 p.m. 3.7 ppb (4) -0.1 ppb (0) 5.6 ppb (6) 4.0 ppb (4) 5.6 ppb (6) 0.0 ppb (0) 21.0 ppb (20) 0.23 ppb (3) 32.0 μg/m3 (30) 14.8 μg/m3 (57) 57.0
 
Sept. 18, 2021, noon N/A N/A 5.8 ppb (6) N/A 5.8 ppb (6) 0.0 ppb (0) N/A 0.23 ppb (3) 35.0 μg/m3 (33) 12.3 μg/m3 (52) 52.0
 
Sept. 18, 2021, 11 a.m. 4.5 ppb (5) -0.1 ppb (0) 6.6 ppb (7) 5.0 ppb (5) 6.7 ppb (7) 0.0 ppb (0) 20.0 ppb (19) 0.24 ppb (3) 41.0 μg/m3 (38) 17.2 μg/m3 (62) 62.0
 
Sept. 18, 2021, 10 a.m. 5.0 ppb (5) -0.1 ppb (0) 7.5 ppb (8) 5.0 ppb (5) 7.5 ppb (8) 0.0 ppb (0) 21.0 ppb (20) 0.25 ppb (3) 43.0 μg/m3 (40) 13.4 μg/m3 (54) 54.0
 
Sept. 18, 2021, 9 a.m. 6.3 ppb (6) -0.1 ppb (0) 8.9 ppb (9) 6.0 ppb (6) 9.0 ppb (9) 0.0 ppb (0) 21.0 ppb (20) 0.23 ppb (3) 51.0 μg/m3 (48) 14.7 μg/m3 (57) 57.0
 
Sept. 18, 2021, 8 a.m. 5.9 ppb (6) -0.1 ppb (0) 8.4 ppb (8) 6.0 ppb (6) 8.5 ppb (9) 0.0 ppb (0) 22.0 ppb (21) 0.21 ppb (3) 55.0 μg/m3 (51) 13.5 μg/m3 (54) 54.0
 
Sept. 18, 2021, 7 a.m. 6.4 ppb (7) -0.2 ppb (0) 8.9 ppb (9) 7.0 ppb (7) 9.0 ppb (9) 0.0 ppb (0) 24.0 ppb (23) 0.22 ppb (3) 55.0 μg/m3 (51) 13.5 μg/m3 (54) 54.0
 
Sept. 18, 2021, 6 a.m. 6.0 ppb (6) -0.1 ppb (0) 8.7 ppb (9) 6.0 ppb (6) 8.8 ppb (9) 0.0 ppb (0) 27.0 ppb (25) 0.23 ppb (3) 63.0 μg/m3 (55) 12.4 μg/m3 (52) 55.0
 
Sept. 18, 2021, 5 a.m. 7.2 ppb (7) -0.2 ppb (0) 10.8 ppb (11) 7.0 ppb (7) 11.0 ppb (11) 0.0 ppb (0) 36.0 ppb (34) 0.27 ppb (4) 115.0 μg/m3 (81) 14.0 μg/m3 (55) 81.0
 
Sept. 18, 2021, 4 a.m. 8.1 ppb (8) -0.2 ppb (0) 12.0 ppb (12) 8.0 ppb (8) 12.1 ppb (12) 1.0 ppb (2) 46.0 ppb (43) 0.3 ppb (4) 131.0 μg/m3 (89) 17.2 μg/m3 (62) 89.0
 
Sept. 18, 2021, 3 a.m. 21.4 ppb (21) -0.1 ppb (0) 26.2 ppb (25) 22.0 ppb (21) 26.3 ppb (25) 1.0 ppb (2) 38.0 ppb (36) 0.64 ppb (7) 97.0 μg/m3 (72) 28.1 μg/m3 (85) 85.0
 
Sept. 18, 2021, 2 a.m. 12.6 ppb (12) -0.1 ppb (0) 17.8 ppb (17) 13.0 ppb (13) 17.8 ppb (17) 1.0 ppb (2) 57.0 ppb (58) 0.44 ppb (5) 98.0 μg/m3 (73) 23.1 μg/m3 (75) 75.0
 
Sept. 18, 2021, 1 a.m. 7.0 ppb (7) -0.2 ppb (0) 12.2 ppb (12) 7.0 ppb (7) 12.3 ppb (12) 2.0 ppb (3) 69.0 ppb (97) 0.36 ppb (5) 95.0 μg/m3 (71) 25.1 μg/m3 (79) 97.0
 
Sept. 18, 2021, midnight 7.3 ppb (7) -0.1 ppb (0) 13.2 ppb (13) 7.0 ppb (7) 13.3 ppb (13) 2.0 ppb (3) 77.0 ppb (105) 0.31 ppb (4) 88.0 μg/m3 (68) 15.0 μg/m3 (58) 105.0
 
Sept. 17, 2021, 11 p.m. 7.5 ppb (8) -0.1 ppb (0) 13.9 ppb (14) 8.0 ppb (8) 14.0 ppb (14) 2.0 ppb (3) 80.0 ppb (106) 0.31 ppb (4) 104.0 μg/m3 (76) 21.3 μg/m3 (71) 106.0
 
Sept. 17, 2021, 10 p.m. 6.8 ppb (7) 0.0 ppb (0) 12.8 ppb (13) 7.0 ppb (7) 12.7 ppb (12) 2.0 ppb (3) 76.0 ppb (104) 0.29 ppb (4) 108.0 μg/m3 (78) 16.9 μg/m3 (62) 104.0
 
Sept. 17, 2021, 9 p.m. 7.3 ppb (7) 0.2 ppb (1) 13.2 ppb (13) 7.0 ppb (7) 12.9 ppb (13) 2.0 ppb (3) 70.0 ppb (100) 0.28 ppb (4) 113.0 μg/m3 (80) 14.1 μg/m3 (56) 100.0
 
Sept. 17, 2021, 8 p.m. 9.0 ppb (9) 0.5 ppb (1) 15.1 ppb (15) 9.0 ppb (9) 14.5 ppb (14) 2.0 ppb (3) 59.0 ppb (65) 0.27 ppb (4) 117.0 μg/m3 (82) 16.1 μg/m3 (60) 82.0
 
Sept. 17, 2021, 7 p.m. 16.0 ppb (16) 1.8 ppb (2) 23.2 ppb (22) 14.0 ppb (14) 21.1 ppb (20) 2.0 ppb (3) 45.0 ppb (42) 0.31 ppb (4) 125.0 μg/m3 (86) 18.7 μg/m3 (65) 86.0
 
Sept. 17, 2021, 6 p.m. 21.7 ppb (21) 3.7 ppb (4) 29.3 ppb (28) 18.0 ppb (17) 25.1 ppb (24) 2.0 ppb (3) 35.0 ppb (33) 0.41 ppb (5) 103.0 μg/m3 (75) 21.8 μg/m3 (72) 75.0
 
Sept. 17, 2021, 5 p.m. 15.7 ppb (15) 2.9 ppb (3) 21.6 ppb (21) 13.0 ppb (13) 18.3 ppb (18) 1.0 ppb (2) 30.0 ppb (28) 0.4 ppb (5) 76.0 μg/m3 (62) 18.4 μg/m3 (65) 65.0
 
Sept. 17, 2021, 4 p.m. 11.5 ppb (11) 2.1 ppb (2) 15.9 ppb (15) 9.0 ppb (9) 13.5 ppb (13) 1.0 ppb (2) 24.0 ppb (23) 0.36 ppb (5) 58.0 μg/m3 (53) 14.6 μg/m3 (57) 57.0
 
Sept. 17, 2021, 3 p.m. 13.9 ppb (14) 3.2 ppb (4) 17.8 ppb (17) 11.0 ppb (11) 14.3 ppb (14) 0.0 ppb (0) 15.0 ppb (14) 0.36 ppb (5) 53.0 μg/m3 (50) 11.7 μg/m3 (49) 50.0
 
Sept. 17, 2021, 2 p.m. 14.1 ppb (14) 2.0 ppb (2) 17.9 ppb (17) 12.0 ppb (12) 15.7 ppb (15) 0.0 ppb (0) 9.0 ppb (9) 0.34 ppb (4) 40.0 μg/m3 (38) 10.8 μg/m3 (46) 46.0
 
Sept. 17, 2021, 1 p.m. 9.7 ppb (10) 0.2 ppb (1) 13.3 ppb (13) 9.0 ppb (9) 13.1 ppb (13) 0.0 ppb (0) 11.0 ppb (11) 0.26 ppb (4) 39.0 μg/m3 (37) 7.3 μg/m3 (31) 37.0
 
Sept. 17, 2021, noon N/A N/A 11.8 ppb (12) N/A 11.7 ppb (12) 0.0 ppb (0) N/A 0.26 ppb (4) 38.0 μg/m3 (36) 8.5 μg/m3 (36) 36.0
 
Sept. 17, 2021, 11 a.m. 8.3 ppb (8) 0.0 ppb (0) 11.2 ppb (11) 8.0 ppb (8) 11.2 ppb (11) 1.0 ppb (2) 16.0 ppb (15) 0.22 ppb (3) 37.0 μg/m3 (35) 9.4 μg/m3 (40) 40.0
 
Sept. 17, 2021, 10 a.m. 6.5 ppb (7) -0.1 ppb (0) 9.1 ppb (9) 7.0 ppb (7) 9.2 ppb (9) 1.0 ppb (2) 19.0 ppb (18) 0.22 ppb (3) 40.0 μg/m3 (38) 10.9 μg/m3 (46) 46.0
 
Sept. 17, 2021, 9 a.m. 5.8 ppb (6) -0.1 ppb (0) 8.5 ppb (9) 6.0 ppb (6) 8.5 ppb (9) 1.0 ppb (2) 23.0 ppb (22) 0.21 ppb (3) 47.0 μg/m3 (44) 13.6 μg/m3 (55) 55.0
 
Sept. 17, 2021, 8 a.m. 5.3 ppb (5) -0.2 ppb (0) 7.8 ppb (8) 5.0 ppb (5) 7.9 ppb (8) 1.0 ppb (2) 27.0 ppb (25) 0.21 ppb (3) 46.0 μg/m3 (43) 12.8 μg/m3 (53) 53.0
 
Sept. 17, 2021, 7 a.m. 5.6 ppb (6) -0.2 ppb (0) 8.1 ppb (8) 6.0 ppb (6) 8.2 ppb (8) 1.0 ppb (2) 30.0 ppb (28) 0.22 ppb (3) 55.0 μg/m3 (51) 13.3 μg/m3 (54) 54.0
 
Sept. 17, 2021, 6 a.m. 5.7 ppb (6) -0.2 ppb (0) 8.2 ppb (8) 6.0 ppb (6) 8.3 ppb (8) 1.0 ppb (2) 32.0 ppb (30) 0.21 ppb (3) 74.0 μg/m3 (61) 10.3 μg/m3 (43) 61.0
 
Sept. 17, 2021, 5 a.m. 5.5 ppb (6) -0.2 ppb (0) 7.9 ppb (8) 6.0 ppb (6) 8.1 ppb (8) 1.0 ppb (2) 31.0 ppb (29) 0.2 ppb (3) 101.0 μg/m3 (74) 11.5 μg/m3 (48) 74.0
 
Sept. 17, 2021, 4 a.m. 6.0 ppb (6) -0.2 ppb (0) 8.7 ppb (9) 6.0 ppb (6) 8.8 ppb (9) 1.0 ppb (2) 41.0 ppb (38) 0.24 ppb (3) 99.0 μg/m3 (73) 11.1 μg/m3 (47) 73.0
 
Sept. 17, 2021, 3 a.m. 5.2 ppb (5) -0.2 ppb (0) 7.7 ppb (8) 5.0 ppb (5) 7.8 ppb (8) 0.0 ppb (0) 48.0 ppb (45) 0.23 ppb (3) 96.0 μg/m3 (72) 17.3 μg/m3 (62) 72.0
 
Sept. 17, 2021, 2 a.m. 4.5 ppb (5) -0.2 ppb (0) 7.1 ppb (7) 5.0 ppb (5) 7.3 ppb (7) 0.0 ppb (0) 51.0 ppb (48) 0.23 ppb (3) 115.0 μg/m3 (81) 14.6 μg/m3 (57) 81.0
 
Sept. 17, 2021, 1 a.m. 3.3 ppb (4) -0.2 ppb (0) 6.1 ppb (6) 4.0 ppb (4) 6.2 ppb (6) 0.0 ppb (0) 57.0 ppb (58) 0.22 ppb (3) 107.0 μg/m3 (77) 24.0 μg/m3 (77) 77.0
 
Sept. 17, 2021, midnight 2.9 ppb (3) -0.1 ppb (0) 6.2 ppb (6) 3.0 ppb (3) 6.3 ppb (6) 1.0 ppb (2) 65.0 ppb (84) 0.25 ppb (3) 105.0 μg/m3 (76) 20.3 μg/m3 (69) 84.0
 
Sept. 16, 2021, 11 p.m. 3.6 ppb (4) -0.1 ppb (0) 7.8 ppb (8) 4.0 ppb (4) 7.8 ppb (8) 1.0 ppb (2) 72.0 ppb (102) 0.28 ppb (4) 112.0 μg/m3 (80) 23.3 μg/m3 (75) 102.0
 
Sept. 16, 2021, 10 p.m. 5.0 ppb (5) -0.1 ppb (0) 10.0 ppb (10) 5.0 ppb (5) 10.0 ppb (10) 1.0 ppb (2) 82.0 ppb (107) 0.33 ppb (4) 85.0 μg/m3 (66) 23.9 μg/m3 (76) 107.0
 
Sept. 16, 2021, 9 p.m. 5.4 ppb (6) -0.1 ppb (0) 10.7 ppb (11) 5.0 ppb (5) 10.7 ppb (11) 2.0 ppb (3) 80.0 ppb (106) 0.33 ppb (4) 75.0 μg/m3 (61) 21.9 μg/m3 (72) 106.0
 
Sept. 16, 2021, 8 p.m. 6.1 ppb (6) 0.0 ppb (0) 11.7 ppb (12) 6.0 ppb (6) 11.7 ppb (12) 2.0 ppb (3) 71.0 ppb (101) 0.3 ppb (4) 75.0 μg/m3 (61) 13.1 μg/m3 (54) 101.0
 
Sept. 16, 2021, 7 p.m. 6.6 ppb (7) 0.2 ppb (1) 12.2 ppb (12) 6.0 ppb (6) 12.0 ppb (12) 3.0 ppb (5) 60.0 ppb (68) 0.28 ppb (4) 73.0 μg/m3 (60) 19.2 μg/m3 (66) 68.0
 
Sept. 16, 2021, 6 p.m. 7.9 ppb (8) 0.4 ppb (1) 13.2 ppb (13) 7.0 ppb (7) 12.7 ppb (12) 3.0 ppb (5) 51.0 ppb (48) 0.32 ppb (4) 87.0 μg/m3 (67) 23.5 μg/m3 (75) 75.0
 
Sept. 16, 2021, 5 p.m. 12.8 ppb (13) 1.6 ppb (2) 18.4 ppb (18) 11.0 ppb (11) 16.4 ppb (16) 2.0 ppb (3) 40.0 ppb (38) 0.38 ppb (5) 83.0 μg/m3 (65) 20.8 μg/m3 (70) 70.0
 
Sept. 16, 2021, 4 p.m. 14.3 ppb (14) 2.8 ppb (3) 18.6 ppb (18) 11.0 ppb (11) 15.3 ppb (15) 1.0 ppb (2) 24.0 ppb (23) 0.39 ppb (5) 93.0 μg/m3 (70) 13.6 μg/m3 (55) 70.0
 
Sept. 16, 2021, 3 p.m. 11.4 ppb (11) 2.0 ppb (2) 14.3 ppb (14) 9.0 ppb (9) 12.0 ppb (12) 0.0 ppb (0) 18.0 ppb (17) 0.33 ppb (4) 50.0 μg/m3 (47) 15.8 μg/m3 (59) 59.0
 
Sept. 16, 2021, 2 p.m. 11.8 ppb (12) 1.1 ppb (2) 14.7 ppb (14) 11.0 ppb (11) 13.5 ppb (13) 0.0 ppb (0) 13.0 ppb (13) 0.31 ppb (4) 60.0 μg/m3 (54) 17.7 μg/m3 (63) 63.0
 
Sept. 16, 2021, 1 p.m. 9.3 ppb (9) 0.1 ppb (1) 12.0 ppb (12) 9.0 ppb (9) 11.9 ppb (12) 0.0 ppb (0) 15.0 ppb (14) 0.3 ppb (4) 44.0 μg/m3 (41) 11.7 μg/m3 (49) 49.0
 
Sept. 16, 2021, noon N/A N/A 10.8 ppb (11) N/A 10.9 ppb (11) 0.0 ppb (0) N/A 0.25 ppb (3) 53.0 μg/m3 (50) 14.0 μg/m3 (55) 55.0
 
Sept. 16, 2021, 11 a.m. 7.5 ppb (8) -0.1 ppb (0) 10.5 ppb (10) 8.0 ppb (8) 10.6 ppb (10) 0.0 ppb (0) 19.0 ppb (18) 0.23 ppb (3) 51.0 μg/m3 (48) 15.6 μg/m3 (59) 59.0
 
Sept. 16, 2021, 10 a.m. 7.1 ppb (7) -0.1 ppb (0) 10.3 ppb (10) 7.0 ppb (7) 10.4 ppb (10) 0.0 ppb (0) 20.0 ppb (19) 0.23 ppb (3) 55.0 μg/m3 (51) 17.8 μg/m3 (63) 63.0
 
Sept. 16, 2021, 9 a.m. 7.0 ppb (7) -0.1 ppb (0) 9.6 ppb (10) 7.0 ppb (7) 9.7 ppb (10) 0.0 ppb (0) 23.0 ppb (22) 0.23 ppb (3) 59.0 μg/m3 (53) 16.5 μg/m3 (61) 61.0
 
Sept. 16, 2021, 8 a.m. 6.9 ppb (7) -0.1 ppb (0) 10.2 ppb (10) 7.0 ppb (7) 10.2 ppb (10) 2.0 ppb (3) 25.0 ppb (24) 0.23 ppb (3) 69.0 μg/m3 (58) 19.6 μg/m3 (67) 67.0
 
Sept. 16, 2021, 7 a.m. 6.3 ppb (6) -0.2 ppb (0) 9.5 ppb (9) 7.0 ppb (7) 9.6 ppb (10) 2.0 ppb (3) 31.0 ppb (29) 0.23 ppb (3) 62.0 μg/m3 (55) 16.2 μg/m3 (60) 60.0
 
Sept. 16, 2021, 6 a.m. 6.2 ppb (6) -0.2 ppb (0) 9.2 ppb (9) 6.0 ppb (6) 9.4 ppb (9) 2.0 ppb (3) 39.0 ppb (37) 0.25 ppb (3) 73.0 μg/m3 (60) 16.0 μg/m3 (60) 60.0
 
Sept. 16, 2021, 5 a.m. 3.6 ppb (4) -0.2 ppb (0) 5.9 ppb (6) 4.0 ppb (4) 6.0 ppb (6) 0.0 ppb (0) 46.0 ppb (43) 0.23 ppb (3) 62.0 μg/m3 (55) 14.9 μg/m3 (57) 57.0
 
Sept. 16, 2021, 4 a.m. 3.8 ppb (4) -0.2 ppb (0) 5.8 ppb (6) 4.0 ppb (4) 6.0 ppb (6) 0.0 ppb (0) 45.0 ppb (42) 0.24 ppb (3) 79.0 μg/m3 (63) 11.8 μg/m3 (50) 63.0
 
Sept. 16, 2021, 3 a.m. 4.4 ppb (5) -0.2 ppb (0) 6.6 ppb (7) 5.0 ppb (5) 6.7 ppb (7) 0.0 ppb (0) 45.0 ppb (42) 0.25 ppb (3) 97.0 μg/m3 (72) 15.0 μg/m3 (58) 72.0
 
Sept. 16, 2021, 2 a.m. 6.3 ppb (6) -0.2 ppb (0) 8.9 ppb (9) 7.0 ppb (7) 9.0 ppb (9) 0.0 ppb (0) 46.0 ppb (43) 0.26 ppb (4) 107.0 μg/m3 (77) 14.2 μg/m3 (56) 77.0
 
Sept. 16, 2021, 1 a.m. 4.7 ppb (5) -0.2 ppb (0) 7.1 ppb (7) 5.0 ppb (5) 7.2 ppb (7) 0.0 ppb (0) 51.0 ppb (48) 0.25 ppb (3) 88.0 μg/m3 (68) 18.1 μg/m3 (64) 68.0
 
Sept. 16, 2021, midnight 2.9 ppb (3) -0.1 ppb (0) 5.4 ppb (6) 3.0 ppb (3) 5.4 ppb (6) 0.0 ppb (0) 58.0 ppb (61) 0.23 ppb (3) 84.0 μg/m3 (66) 16.7 μg/m3 (61) 66.0
 
Sept. 15, 2021, 11 p.m. 2.3 ppb (3) -0.2 ppb (0) 5.1 ppb (5) 3.0 ppb (3) 5.2 ppb (5) 0.0 ppb (0) 62.0 ppb (74) 0.22 ppb (3) 69.0 μg/m3 (58) 13.4 μg/m3 (54) 74.0
 
Sept. 15, 2021, 10 p.m. 3.9 ppb (4) -0.1 ppb (0) 7.7 ppb (8) 4.0 ppb (4) 7.7 ppb (8) 1.0 ppb (2) 69.0 ppb (97) 0.27 ppb (4) 111.0 μg/m3 (79) 17.7 μg/m3 (63) 97.0
 
Sept. 15, 2021, 9 p.m. 5.3 ppb (5) -0.1 ppb (0) 9.9 ppb (10) 5.0 ppb (5) 9.9 ppb (10) 1.0 ppb (2) 69.0 ppb (97) 0.28 ppb (4) 119.0 μg/m3 (83) 23.5 μg/m3 (75) 97.0
 
Sept. 15, 2021, 8 p.m. 10.1 ppb (10) 0.3 ppb (1) 17.9 ppb (17) 10.0 ppb (10) 17.5 ppb (17) 2.0 ppb (3) 71.0 ppb (101) 0.32 ppb (4) 91.0 μg/m3 (69) 23.0 μg/m3 (74) 101.0
 
Sept. 15, 2021, 7 p.m. 10.7 ppb (11) 0.6 ppb (1) 18.5 ppb (18) 10.0 ppb (10) 17.7 ppb (17) 3.0 ppb (5) 57.0 ppb (58) 0.3 ppb (4) 94.0 μg/m3 (71) 19.7 μg/m3 (67) 71.0
 
Sept. 15, 2021, 6 p.m. 8.2 ppb (8) 0.5 ppb (1) 13.8 ppb (14) 8.0 ppb (8) 13.1 ppb (13) 2.0 ppb (3) 48.0 ppb (45) 0.28 ppb (4) 95.0 μg/m3 (71) 19.5 μg/m3 (67) 71.0
 
Sept. 15, 2021, 5 p.m. 8.0 ppb (8) 0.7 ppb (1) 12.1 ppb (12) 7.0 ppb (7) 11.1 ppb (11) 2.0 ppb (3) 40.0 ppb (38) 0.27 ppb (4) 83.0 μg/m3 (65) 16.0 μg/m3 (60) 65.0
 
Sept. 15, 2021, 4 p.m. 10.1 ppb (10) 1.2 ppb (2) 13.5 ppb (13) 9.0 ppb (9) 12.1 ppb (12) 2.0 ppb (3) 33.0 ppb (31) 0.35 ppb (4) 79.0 μg/m3 (63) 22.0 μg/m3 (72) 72.0
 
Sept. 15, 2021, 3 p.m. 20.2 ppb (20) 3.8 ppb (4) 24.8 ppb (24) 16.0 ppb (16) 20.6 ppb (20) 1.0 ppb (2) 17.0 ppb (16) 0.47 ppb (6) 70.0 μg/m3 (59) 17.9 μg/m3 (64) 64.0
 
Sept. 15, 2021, 2 p.m. 25.1 ppb (24) 5.0 ppb (5) 29.5 ppb (28) 20.0 ppb (19) 24.1 ppb (23) 1.0 ppb (2) 6.0 ppb (6) 0.49 ppb (6) 59.0 μg/m3 (53) 15.2 μg/m3 (58) 58.0
 
Sept. 15, 2021, 1 p.m. 15.3 ppb (15) 0.5 ppb (1) 18.6 ppb (18) 15.0 ppb (15) 18.2 ppb (18) 1.0 ppb (2) 9.0 ppb (9) 0.39 ppb (5) 54.0 μg/m3 (50) 15.2 μg/m3 (58) 58.0
 
Sept. 15, 2021, noon N/A N/A 14.4 ppb (14) N/A 14.5 ppb (14) 1.0 ppb (2) N/A 0.27 ppb (4) 45.0 μg/m3 (42) 14.4 μg/m3 (56) 56.0
 
Sept. 15, 2021, 11 a.m. 10.7 ppb (11) -0.1 ppb (0) 13.7 ppb (13) 11.0 ppb (11) 13.8 ppb (14) 1.0 ppb (2) 17.0 ppb (16) 0.26 ppb (4) 47.0 μg/m3 (44) 15.3 μg/m3 (58) 58.0
 
Sept. 15, 2021, 10 a.m. 8.5 ppb (9) -0.1 ppb (0) 11.1 ppb (11) 9.0 ppb (9) 11.2 ppb (11) 0.0 ppb (0) 21.0 ppb (20) 0.29 ppb (4) 48.0 μg/m3 (45) 10.7 μg/m3 (45) 45.0
 
Sept. 15, 2021, 9 a.m. 7.7 ppb (8) -0.1 ppb (0) 10.4 ppb (10) 8.0 ppb (8) 10.5 ppb (10) 0.0 ppb (0) 25.0 ppb (24) 0.24 ppb (3) 55.0 μg/m3 (51) 11.5 μg/m3 (48) 51.0
 
Sept. 15, 2021, 8 a.m. 7.6 ppb (8) -0.2 ppb (0) 10.4 ppb (10) 8.0 ppb (8) 10.5 ppb (10) 1.0 ppb (2) 29.0 ppb (27) 0.23 ppb (3) 62.0 μg/m3 (55) 15.5 μg/m3 (59) 59.0
 
Sept. 15, 2021, 7 a.m. 8.5 ppb (9) -0.2 ppb (0) 11.1 ppb (11) 9.0 ppb (9) 11.2 ppb (11) 1.0 ppb (2) 31.0 ppb (29) 0.28 ppb (4) 66.0 μg/m3 (57) 15.1 μg/m3 (58) 58.0
 
Sept. 15, 2021, 6 a.m. 6.7 ppb (7) -0.2 ppb (0) 8.8 ppb (9) 7.0 ppb (7) 8.9 ppb (9) 1.0 ppb (2) 37.0 ppb (35) 0.27 ppb (4) 59.0 μg/m3 (53) 10.3 μg/m3 (43) 53.0
 
Sept. 15, 2021, 5 a.m. 7.5 ppb (8) -0.2 ppb (0) 9.6 ppb (10) 8.0 ppb (8) 9.8 ppb (10) 2.0 ppb (3) 38.0 ppb (36) 0.31 ppb (4) 66.0 μg/m3 (57) 12.2 μg/m3 (52) 57.0
 
Sept. 15, 2021, 4 a.m. 11.5 ppb (11) -0.2 ppb (0) 13.8 ppb (14) 12.0 ppb (12) 14.0 ppb (14) 2.0 ppb (3) 36.0 ppb (34) 0.36 ppb (5) 63.0 μg/m3 (55) 11.4 μg/m3 (48) 55.0
 
Sept. 15, 2021, 3 a.m. 13.1 ppb (13) -0.2 ppb (0) 15.2 ppb (15) 13.0 ppb (13) 15.3 ppb (15) 0.0 ppb (0) 40.0 ppb (38) 0.34 ppb (4) 82.0 μg/m3 (65) 17.9 μg/m3 (64) 65.0
 
Sept. 15, 2021, 2 a.m. 12.1 ppb (12) -0.2 ppb (0) 14.0 ppb (14) 12.0 ppb (12) 14.1 ppb (14) 0.0 ppb (0) 45.0 ppb (42) 0.36 ppb (5) 62.0 μg/m3 (55) 12.0 μg/m3 (50) 55.0
 
Sept. 15, 2021, 1 a.m. 3.8 ppb (4) -0.2 ppb (0) 5.9 ppb (6) 4.0 ppb (4) 6.0 ppb (6) 0.0 ppb (0) 60.0 ppb (68) 0.23 ppb (3) 58.0 μg/m3 (53) 16.7 μg/m3 (61) 68.0
 
Sept. 15, 2021, midnight 2.6 ppb (3) -0.1 ppb (0) 4.7 ppb (5) 3.0 ppb (3) 4.8 ppb (5) 0.0 ppb (0) 66.0 ppb (87) 0.23 ppb (3) 55.0 μg/m3 (51) 10.5 μg/m3 (44) 87.0
 
Sept. 14, 2021, 11 p.m. 2.1 ppb (2) -0.2 ppb (0) 4.5 ppb (5) 2.0 ppb (2) 4.6 ppb (5) 1.0 ppb (2) 68.0 ppb (94) 0.22 ppb (3) 51.0 μg/m3 (48) 13.4 μg/m3 (54) 94.0
 
Sept. 14, 2021, 10 p.m. 2.2 ppb (3) -0.1 ppb (0) 4.7 ppb (5) 2.0 ppb (2) 4.7 ppb (5) 0.0 ppb (0) 67.0 ppb (91) 0.22 ppb (3) 42.0 μg/m3 (39) 10.0 μg/m3 (42) 91.0
 
Sept. 14, 2021, 9 p.m. 3.5 ppb (4) -0.1 ppb (0) 7.1 ppb (7) 4.0 ppb (4) 7.1 ppb (7) 1.0 ppb (2) 78.0 ppb (105) 0.27 ppb (4) 46.0 μg/m3 (43) 16.9 μg/m3 (62) 105.0
 
Sept. 14, 2021, 8 p.m. 5.5 ppb (6) 0.0 ppb (0) 10.3 ppb (10) 5.0 ppb (5) 10.2 ppb (10) 1.0 ppb (2) 82.0 ppb (107) 0.28 ppb (4) 63.0 μg/m3 (55) 17.3 μg/m3 (62) 107.0
 
Sept. 14, 2021, 7 p.m. 4.8 ppb (5) 0.0 ppb (0) 8.9 ppb (9) 5.0 ppb (5) 8.9 ppb (9) 1.0 ppb (2) 71.0 ppb (101) 0.27 ppb (4) 80.0 μg/m3 (64) 13.7 μg/m3 (55) 101.0
 
Sept. 14, 2021, 6 p.m. 5.1 ppb (5) 0.1 ppb (1) 8.6 ppb (9) 5.0 ppb (5) 8.4 ppb (8) 2.0 ppb (3) 62.0 ppb (74) 0.29 ppb (4) 70.0 μg/m3 (59) 17.6 μg/m3 (63) 74.0
 
Sept. 14, 2021, 5 p.m. 5.6 ppb (6) 0.1 ppb (1) 8.5 ppb (9) 5.0 ppb (5) 8.3 ppb (8) 1.0 ppb (2) 56.0 ppb (55) 0.42 ppb (5) 88.0 μg/m3 (68) 38.5 μg/m3 (109) 109.0
 
Sept. 14, 2021, 4 p.m. 11.6 ppb (11) 1.0 ppb (1) 14.7 ppb (14) 11.0 ppb (11) 13.6 ppb (13) 2.0 ppb (3) 46.0 ppb (43) 0.44 ppb (5) 71.0 μg/m3 (59) 30.5 μg/m3 (90) 90.0
 
Sept. 14, 2021, 3 p.m. 24.6 ppb (24) 4.5 ppb (5) 28.7 ppb (28) 20.0 ppb (19) 23.7 ppb (23) 2.0 ppb (3) 26.0 ppb (25) 0.59 ppb (7) 83.0 μg/m3 (65) 22.7 μg/m3 (74) 74.0
 
Sept. 14, 2021, 2 p.m. 28.9 ppb (28) 7.1 ppb (7) 33.6 ppb (32) 22.0 ppb (21) 25.6 ppb (25) 0.0 ppb (0) 6.0 ppb (6) 0.63 ppb (7) 71.0 μg/m3 (59) 16.0 μg/m3 (60) 60.0
 
Sept. 14, 2021, 1 p.m. 21.3 ppb (21) 2.0 ppb (2) 23.8 ppb (23) 19.0 ppb (18) 21.9 ppb (21) 0.0 ppb (0) 6.0 ppb (6) 0.49 ppb (6) 49.0 μg/m3 (46) 13.6 μg/m3 (55) 55.0
 
Sept. 14, 2021, noon N/A N/A 17.1 ppb (17) N/A 16.9 ppb (16) 0.0 ppb (0) N/A 0.35 ppb (4) 65.0 μg/m3 (56) 13.9 μg/m3 (55) 56.0
 
Sept. 14, 2021, 11 a.m. 10.3 ppb (10) -0.1 ppb (0) 13.0 ppb (13) 10.0 ppb (10) 13.0 ppb (13) 0.0 ppb (0) 19.0 ppb (18) 0.3 ppb (4) 50.0 μg/m3 (47) 13.8 μg/m3 (55) 55.0
 
Sept. 14, 2021, 10 a.m. 8.8 ppb (9) -0.1 ppb (0) 10.8 ppb (11) 9.0 ppb (9) 10.9 ppb (11) 0.0 ppb (0) 26.0 ppb (25) 0.28 ppb (4) 55.0 μg/m3 (51) 16.6 μg/m3 (61) 61.0
 
Sept. 14, 2021, 9 a.m. 11.1 ppb (11) -0.1 ppb (0) 13.7 ppb (13) 11.0 ppb (11) 13.8 ppb (14) 1.0 ppb (2) 21.0 ppb (20) 0.34 ppb (4) 54.0 μg/m3 (50) 11.8 μg/m3 (50) 50.0
 
Sept. 14, 2021, 8 a.m. 9.6 ppb (10) -0.1 ppb (0) 12.0 ppb (12) 10.0 ppb (10) 12.1 ppb (12) 0.0 ppb (0) 26.0 ppb (25) 0.36 ppb (5) 50.0 μg/m3 (47) 10.9 μg/m3 (46) 47.0
 
Sept. 14, 2021, 7 a.m. 8.0 ppb (8) -0.2 ppb (0) 9.5 ppb (9) 8.0 ppb (8) 9.7 ppb (10) 0.0 ppb (0) 36.0 ppb (34) 0.3 ppb (4) 51.0 μg/m3 (48) 11.6 μg/m3 (49) 49.0
 
Sept. 14, 2021, 6 a.m. 9.5 ppb (9) -0.2 ppb (0) 10.6 ppb (10) 10.0 ppb (10) 10.8 ppb (11) 0.0 ppb (0) 37.0 ppb (35) 0.33 ppb (4) 54.0 μg/m3 (50) 9.2 μg/m3 (39) 50.0
 
Sept. 14, 2021, 5 a.m. 12.9 ppb (13) -0.2 ppb (0) 13.7 ppb (13) 13.0 ppb (13) 13.8 ppb (14) 0.0 ppb (0) 37.0 ppb (35) 0.4 ppb (5) 55.0 μg/m3 (51) 12.2 μg/m3 (52) 52.0