ID: 130

AQSQID: 060250005

Site Name: Calexico - Ethel Street

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

Updated: Oct. 21, 2021, 1:01 p.m.

Location: Calexico (Andrade Ave), CA

Reporting: True, Located: True

Current AQI: 33.0

Calexico (Andrade Ave) CA, US: 32.67618, -115.48307

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 21, 2021, 11 a.m. 14.5 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 14.0 ppb (13) 0.25 ppb (3) 35.0 μg/m3 (33) 5.9 μg/m3 (25) 33.0
 
Oct. 21, 2021, 10 a.m. 12.3 ppb (12) 1.6 ppb (2) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 19.0 ppb (18) 0.28 ppb (4) 43.0 μg/m3 (40) 5.3 μg/m3 (23) 40.0
 
Oct. 21, 2021, 9 a.m. 12.2 ppb (12) 0.4 ppb (1) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 17.0 ppb (16) 0.24 ppb (3) 38.0 μg/m3 (36) 4.4 μg/m3 (19) 36.0
 
Oct. 21, 2021, 8 a.m. 13.1 ppb (13) 0.5 ppb (1) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 18.0 ppb (17) 0.27 ppb (4) 46.0 μg/m3 (43) 6.1 μg/m3 (26) 43.0
 
Oct. 21, 2021, 7 a.m. 13.2 ppb (13) 0.9 ppb (1) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 23.0 ppb (22) 0.24 ppb (3) 69.0 μg/m3 (58) 10.2 μg/m3 (43) 58.0
 
Oct. 21, 2021, 6 a.m. 16.8 ppb (16) 0.5 ppb (1) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 22.0 ppb (21) 0.39 ppb (5) 75.0 μg/m3 (61) 16.9 μg/m3 (62) 62.0
 
Oct. 21, 2021, 5 a.m. 32.2 ppb (31) 1.0 ppb (1) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 9.0 ppb (9) 0.59 ppb (7) 98.0 μg/m3 (73) 16.1 μg/m3 (60) 73.0
 
Oct. 21, 2021, 4 a.m. 37.2 ppb (36) 3.6 ppb (4) N/A 34.0 ppb (33) N/A 0.0 ppb (0) 10.0 ppb (10) 0.63 ppb (7) 91.0 μg/m3 (69) 14.0 μg/m3 (55) 69.0
 
Oct. 21, 2021, 3 a.m. 43.0 ppb (41) 7.6 ppb (8) N/A 35.0 ppb (34) N/A 0.0 ppb (0) 9.0 ppb (9) 0.74 ppb (8) 82.0 μg/m3 (65) 12.5 μg/m3 (52) 65.0
 
Oct. 21, 2021, 2 a.m. 35.6 ppb (34) 4.9 ppb (5) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 18.0 ppb (17) 0.56 ppb (7) 63.0 μg/m3 (55) 12.3 μg/m3 (52) 55.0
 
Oct. 21, 2021, 1 a.m. 24.1 ppb (23) 1.5 ppb (2) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 33.0 ppb (31) 0.38 ppb (5) 78.0 μg/m3 (63) 9.1 μg/m3 (38) 63.0
 
Oct. 21, 2021, midnight 12.1 ppb (12) 1.9 ppb (2) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 52.0 ppb (49) 0.24 ppb (3) 36.0 μg/m3 (34) 3.8 μg/m3 (16) 49.0
 
Oct. 20, 2021, 11 p.m. 10.0 ppb (10) 3.7 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 54.0 ppb (50) 0.2 ppb (3) 31.0 μg/m3 (29) 5.3 μg/m3 (23) 50.0
 
Oct. 20, 2021, 10 p.m. 6.6 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 59.0 ppb (65) 0.18 ppb (3) 24.0 μg/m3 (23) 4.8 μg/m3 (20) 65.0
 
Oct. 20, 2021, 9 p.m. 6.8 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 58.0 ppb (61) 0.21 ppb (3) 21.0 μg/m3 (20) 8.5 μg/m3 (36) 61.0
 
Oct. 20, 2021, 8 p.m. 4.0 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 56.0 ppb (55) 0.17 ppb (3) 27.0 μg/m3 (25) 4.8 μg/m3 (20) 55.0
 
Oct. 20, 2021, 7 p.m. 4.8 ppb (5) 1.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (50) 0.18 ppb (3) 26.0 μg/m3 (25) 2.1 μg/m3 (9) 50.0
 
Oct. 20, 2021, 6 p.m. 9.7 ppb (10) 4.3 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 46.0 ppb (43) 0.21 ppb (3) 83.0 μg/m3 (65) 4.1 μg/m3 (18) 65.0
 
Oct. 20, 2021, 5 p.m. 13.9 ppb (14) 5.5 ppb (6) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 40.0 ppb (38) 0.21 ppb (3) 55.0 μg/m3 (51) N/A 51.0
 
Oct. 20, 2021, 4 p.m. 21.3 ppb (21) 7.7 ppb (8) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 35.0 ppb (33) 0.32 ppb (4) 56.0 μg/m3 (52) N/A 52.0
 
Oct. 20, 2021, 3 p.m. 50.6 ppb (48) 22.7 ppb (22) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 16.0 ppb (15) 0.87 ppb (11) 114.0 μg/m3 (81) N/A 81.0
 
Oct. 20, 2021, 2 p.m. 72.9 ppb (72) 44.2 ppb (42) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 4.0 ppb (4) 1.15 ppb (13) 157.0 μg/m3 (102) N/A 102.0
 
Oct. 20, 2021, 1 p.m. 50.2 ppb (48) 24.5 ppb (24) N/A 26.0 ppb (25) N/A 0.0 ppb (0) 6.0 ppb (6) 0.48 ppb (6) 77.0 μg/m3 (62) N/A 62.0
 
Oct. 20, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) N/A 38.0
 
Oct. 20, 2021, 11 a.m. 6.6 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (25) 0.19 ppb (3) 26.0 μg/m3 (25) N/A 25.0
 
Oct. 20, 2021, 10 a.m. 7.2 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (25) 0.24 ppb (3) 33.0 μg/m3 (31) N/A 31.0
 
Oct. 20, 2021, 9 a.m. 13.6 ppb (13) 1.1 ppb (2) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 13.0 ppb (13) 0.34 ppb (4) 45.0 μg/m3 (42) N/A 42.0
 
Oct. 20, 2021, 8 a.m. 17.8 ppb (17) 2.7 ppb (3) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 9.0 ppb (9) 0.34 ppb (4) 55.0 μg/m3 (51) N/A 51.0
 
Oct. 20, 2021, 7 a.m. 11.0 ppb (11) 0.7 ppb (1) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (22) 0.41 ppb (5) 64.0 μg/m3 (56) N/A 56.0
 
Oct. 20, 2021, 6 a.m. 34.8 ppb (33) 6.5 ppb (7) N/A 28.0 ppb (27) N/A 0.0 ppb (0) 9.0 ppb (9) 0.74 ppb (8) 111.0 μg/m3 (79) 33.7 μg/m3 (97) 97.0
 
Oct. 20, 2021, 5 a.m. 40.7 ppb (39) 10.3 ppb (10) N/A 30.0 ppb (29) N/A 0.0 ppb (0) 2.0 ppb (2) 0.67 ppb (8) 78.0 μg/m3 (63) 16.6 μg/m3 (61) 63.0
 
Oct. 20, 2021, 4 a.m. 39.7 ppb (38) 8.5 ppb (9) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 8.0 ppb (8) 0.65 ppb (8) 70.0 μg/m3 (59) 16.7 μg/m3 (61) 61.0
 
Oct. 20, 2021, 3 a.m. 38.5 ppb (37) 7.2 ppb (7) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 11.0 ppb (11) 0.57 ppb (7) 80.0 μg/m3 (64) 14.9 μg/m3 (57) 64.0
 
Oct. 20, 2021, 2 a.m. 24.7 ppb (24) 2.4 ppb (3) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 24.0 ppb (23) 0.45 ppb (6) 58.0 μg/m3 (53) 4.4 μg/m3 (19) 53.0
 
Oct. 20, 2021, 1 a.m. 14.8 ppb (14) 0.5 ppb (1) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 40.0 ppb (38) 0.29 ppb (4) 46.0 μg/m3 (43) 2.5 μg/m3 (11) 43.0
 
Oct. 20, 2021, midnight 9.5 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 52.0 ppb (49) 0.33 ppb (4) 28.0 μg/m3 (26) 2.1 μg/m3 (9) 49.0
 
Oct. 19, 2021, 11 p.m. 4.9 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 55.0 ppb (51) 0.21 ppb (3) 24.0 μg/m3 (23) 0.1 μg/m3 (1) 51.0
 
Oct. 19, 2021, 10 p.m. 6.0 ppb (6) 3.1 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (50) 0.24 ppb (3) 25.0 μg/m3 (24) 0.1 μg/m3 (1) 50.0
 
Oct. 19, 2021, 9 p.m. 7.5 ppb (8) 2.8 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 53.0 ppb (50) 0.19 ppb (3) 13.0 μg/m3 (13) 3.5 μg/m3 (15) 50.0
 
Oct. 19, 2021, 8 p.m. 5.6 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (49) 0.2 ppb (3) 17.0 μg/m3 (16) 5.4 μg/m3 (23) 49.0
 
Oct. 19, 2021, 7 p.m. 8.1 ppb (8) 4.1 ppb (4) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (45) 0.19 ppb (3) 22.0 μg/m3 (21) 1.9 μg/m3 (8) 45.0
 
Oct. 19, 2021, 6 p.m. 6.4 ppb (7) 2.5 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 46.0 ppb (43) 0.18 ppb (3) 22.0 μg/m3 (21) 1.6 μg/m3 (7) 43.0
 
Oct. 19, 2021, 5 p.m. 7.5 ppb (8) 2.9 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (37) 0.18 ppb (3) 30.0 μg/m3 (28) 3.3 μg/m3 (14) 37.0
 
Oct. 19, 2021, 4 p.m. 8.5 ppb (9) 3.6 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) 0.19 ppb (3) 35.0 μg/m3 (33) 4.5 μg/m3 (19) 33.0
 
Oct. 19, 2021, 3 p.m. 12.1 ppb (12) 6.3 ppb (6) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (25) 0.23 ppb (3) 41.0 μg/m3 (38) 4.7 μg/m3 (20) 38.0
 
Oct. 19, 2021, 2 p.m. 13.3 ppb (13) 4.6 ppb (5) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (21) 0.26 ppb (4) 42.0 μg/m3 (39) 4.2 μg/m3 (18) 39.0
 
Oct. 19, 2021, 1 p.m. 16.7 ppb (16) 4.8 ppb (5) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 19.0 ppb (18) 0.33 ppb (4) 24.0 μg/m3 (23) 4.1 μg/m3 (18) 23.0
 
Oct. 19, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 2.4 μg/m3 (10) 13.0
 
Oct. 19, 2021, 11 a.m. 5.5 ppb (6) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 28.0 ppb (26) 0.19 ppb (3) 12.0 μg/m3 (12) 4.1 μg/m3 (18) 26.0
 
Oct. 19, 2021, 10 a.m. 3.3 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) 0.19 ppb (3) 17.0 μg/m3 (16) 5.0 μg/m3 (21) 28.0
 
Oct. 19, 2021, 9 a.m. 2.4 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) 0.18 ppb (3) 10.0 μg/m3 (10) 4.4 μg/m3 (19) 28.0
 
Oct. 19, 2021, 8 a.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) 0.18 ppb (3) 12.0 μg/m3 (12) 6.4 μg/m3 (27) 29.0
 
Oct. 19, 2021, 7 a.m. 1.3 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) 0.17 ppb (3) 22.0 μg/m3 (21) 1.8 μg/m3 (8) 32.0
 
Oct. 19, 2021, 6 a.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) 12.0 μg/m3 (12) 3.8 μg/m3 (16) 33.0
 
Oct. 19, 2021, 5 a.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) 0.16 ppb (3) 60.0 μg/m3 (54) 7.9 μg/m3 (33) 54.0
 
Oct. 19, 2021, 4 a.m. 1.6 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) 0.17 ppb (3) 62.0 μg/m3 (55) 11.9 μg/m3 (50) 55.0
 
Oct. 19, 2021, 3 a.m. 3.0 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.18 ppb (3) 66.0 μg/m3 (57) 7.6 μg/m3 (32) 57.0
 
Oct. 19, 2021, 2 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) 0.19 ppb (3) 34.0 μg/m3 (32) 5.9 μg/m3 (25) 37.0
 
Oct. 19, 2021, 1 a.m. 3.7 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) 0.19 ppb (3) 66.0 μg/m3 (57) 4.1 μg/m3 (18) 57.0
 
Oct. 19, 2021, midnight 3.0 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.18 ppb (3) 222.0 μg/m3 (135) 18.3 μg/m3 (65) 135.0
 
Oct. 18, 2021, 11 p.m. 3.2 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) 0.18 ppb (3) 156.0 μg/m3 (102) 13.2 μg/m3 (54) 102.0
 
Oct. 18, 2021, 10 p.m. 4.7 ppb (5) 2.2 ppb (3) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) 0.18 ppb (3) 92.0 μg/m3 (70) 10.2 μg/m3 (43) 70.0
 
Oct. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (48) 8.5 μg/m3 (36) 48.0
 
Oct. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 83.0 μg/m3 (65) 10.0 μg/m3 (42) 65.0
 
Oct. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 118.0 μg/m3 (83) 6.8 μg/m3 (29) 83.0
 
Oct. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (57) 5.9 μg/m3 (25) 57.0
 
Oct. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 101.0 μg/m3 (74) 4.7 μg/m3 (20) 74.0
 
Oct. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 115.0 μg/m3 (81) 4.2 μg/m3 (18) 81.0
 
Oct. 17, 2021, 3 a.m. 23.1 ppb (22) 0.5 ppb (1) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 15.0 ppb (14) 0.39 ppb (5) 41.0 μg/m3 (38) 7.4 μg/m3 (31) 38.0
 
Oct. 17, 2021, 2 a.m. 11.2 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 31.0 ppb (29) 0.32 ppb (4) 32.0 μg/m3 (30) 4.8 μg/m3 (20) 30.0
 
Oct. 17, 2021, 1 a.m. 5.8 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (39) 0.24 ppb (3) 36.0 μg/m3 (34) 2.9 μg/m3 (13) 39.0
 
Oct. 17, 2021, midnight 3.6 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (47) 0.18 ppb (3) 24.0 μg/m3 (23) 3.3 μg/m3 (14) 47.0
 
Oct. 16, 2021, 11 p.m. 3.3 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (49) 0.18 ppb (3) 19.0 μg/m3 (18) 1.3 μg/m3 (6) 49.0
 
Oct. 16, 2021, 10 p.m. 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (48) 0.19 ppb (3) 16.0 μg/m3 (15) 2.9 μg/m3 (13) 48.0
 
Oct. 16, 2021, 9 p.m. 3.9 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 50.0 ppb (47) 0.18 ppb (3) 13.0 μg/m3 (13) 4.2 μg/m3 (18) 47.0
 
Oct. 16, 2021, 8 p.m. 4.0 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (45) 0.18 ppb (3) 24.0 μg/m3 (23) 2.1 μg/m3 (9) 45.0
 
Oct. 16, 2021, 7 p.m. 6.4 ppb (7) 3.0 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) 0.18 ppb (3) 24.0 μg/m3 (23) 0.0 μg/m3 (0) 41.0
 
Oct. 16, 2021, 6 p.m. 6.2 ppb (6) 2.4 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) 0.2 ppb (3) 21.0 μg/m3 (20) 0.3 μg/m3 (2) 38.0
 
Oct. 16, 2021, 5 p.m. 8.0 ppb (8) 2.8 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (33) 0.21 ppb (3) 49.0 μg/m3 (46) 1.3 μg/m3 (6) 46.0
 
Oct. 16, 2021, 4 p.m. 7.5 ppb (8) 2.8 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) 0.21 ppb (3) 50.0 μg/m3 (47) 3.0 μg/m3 (13) 47.0
 
Oct. 16, 2021, 3 p.m. 8.7 ppb (9) 2.7 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (27) 0.22 ppb (3) 52.0 μg/m3 (49) 5.4 μg/m3 (23) 49.0
 
Oct. 16, 2021, 2 p.m. 13.0 ppb (13) 2.6 ppb (3) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 20.0 ppb (19) 0.26 ppb (4) 48.0 μg/m3 (45) 5.4 μg/m3 (23) 45.0
 
Oct. 16, 2021, 1 p.m. 10.3 ppb (10) 2.3 ppb (3) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (22) 0.22 ppb (3) 17.0 μg/m3 (16) 1.8 μg/m3 (8) 22.0
 
Oct. 16, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 2.9 μg/m3 (13) 35.0
 
Oct. 16, 2021, 11 a.m. 4.3 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.18 ppb (3) 29.0 μg/m3 (27) 3.5 μg/m3 (15) 27.0
 
Oct. 16, 2021, 10 a.m. 6.4 ppb (7) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (22) 0.17 ppb (3) 31.0 μg/m3 (29) 4.7 μg/m3 (20) 29.0
 
Oct. 16, 2021, 9 a.m. 7.8 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (20) 0.22 ppb (3) 37.0 μg/m3 (35) 6.7 μg/m3 (28) 35.0
 
Oct. 16, 2021, 8 a.m. 10.5 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (20) 0.19 ppb (3) 43.0 μg/m3 (40) 5.3 μg/m3 (23) 40.0
 
Oct. 16, 2021, 7 a.m. 9.3 ppb (9) 1.9 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (22) 0.25 ppb (3) 41.0 μg/m3 (38) 6.5 μg/m3 (28) 38.0
 
Oct. 16, 2021, 6 a.m. 11.9 ppb (12) 1.2 ppb (2) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (20) 0.28 ppb (4) 44.0 μg/m3 (41) 9.0 μg/m3 (38) 41.0
 
Oct. 16, 2021, 5 a.m. 32.4 ppb (31) 7.4 ppb (7) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 8.0 ppb (8) 0.48 ppb (6) 79.0 μg/m3 (63) 13.5 μg/m3 (54) 63.0
 
Oct. 16, 2021, 4 a.m. 32.1 ppb (31) 6.4 ppb (7) N/A 26.0 ppb (25) N/A 0.0 ppb (0) 8.0 ppb (8) 0.51 ppb (6) 90.0 μg/m3 (69) 9.6 μg/m3 (40) 69.0
 
Oct. 16, 2021, 3 a.m. 23.9 ppb (23) 3.5 ppb (4) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 17.0 ppb (16) 0.45 ppb (6) 103.0 μg/m3 (75) 10.8 μg/m3 (46) 75.0
 
Oct. 16, 2021, 2 a.m. 32.7 ppb (31) 4.5 ppb (5) N/A 28.0 ppb (27) N/A 0.0 ppb (0) 12.0 ppb (12) 0.4 ppb (5) 157.0 μg/m3 (102) 12.9 μg/m3 (53) 102.0
 
Oct. 16, 2021, 1 a.m. 22.1 ppb (21) 4.0 ppb (4) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 24.0 ppb (23) 0.41 ppb (5) 85.0 μg/m3 (66) 5.4 μg/m3 (23) 66.0
 
Oct. 16, 2021, midnight 10.4 ppb (10) 2.8 ppb (3) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 38.0 ppb (36) 0.25 ppb (3) 34.0 μg/m3 (32) 5.1 μg/m3 (22) 36.0
 
Oct. 15, 2021, 11 p.m. 9.1 ppb (9) 4.0 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (40) 0.27 ppb (4) 39.0 μg/m3 (37) 7.3 μg/m3 (31) 40.0
 
Oct. 15, 2021, 10 p.m. 7.4 ppb (7) 3.7 ppb (4) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (41) 0.23 ppb (3) 34.0 μg/m3 (32) 4.5 μg/m3 (19) 41.0
 
Oct. 15, 2021, 9 p.m. 5.9 ppb (6) 3.3 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) 0.19 ppb (3) 33.0 μg/m3 (31) 3.0 μg/m3 (13) 41.0
 
Oct. 15, 2021, 8 p.m. 6.7 ppb (7) 3.6 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.19 ppb (3) 39.0 μg/m3 (37) 4.5 μg/m3 (19) 39.0
 
Oct. 15, 2021, 7 p.m. 8.4 ppb (8) 4.6 ppb (5) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) 0.2 ppb (3) 50.0 μg/m3 (47) 4.7 μg/m3 (20) 47.0
 
Oct. 15, 2021, 6 p.m. 11.8 ppb (12) 6.1 ppb (6) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (36) 0.28 ppb (4) 56.0 μg/m3 (52) 3.6 μg/m3 (16) 52.0
 
Oct. 15, 2021, 5 p.m. 12.0 ppb (12) 6.5 ppb (7) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (34) 0.34 ppb (4) 38.0 μg/m3 (36) 5.6 μg/m3 (24) 36.0
 
Oct. 15, 2021, 4 p.m. 12.7 ppb (12) 5.5 ppb (6) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (25) 0.28 ppb (4) 74.0 μg/m3 (61) 5.9 μg/m3 (25) 61.0
 
Oct. 15, 2021, 3 p.m. 18.4 ppb (18) 8.2 ppb (8) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (20) 0.26 ppb (4) 101.0 μg/m3 (74) 7.3 μg/m3 (31) 74.0
 
Oct. 15, 2021, 2 p.m. 19.0 ppb (18) 6.0 ppb (6) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 20.0 ppb (19) 0.29 ppb (4) 124.0 μg/m3 (86) 5.8 μg/m3 (25) 86.0
 
Oct. 15, 2021, 1 p.m. 19.3 ppb (19) 7.0 ppb (7) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 21.0 ppb (20) 0.35 ppb (4) 39.0 μg/m3 (37) 3.2 μg/m3 (14) 37.0
 
Oct. 15, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (47) 6.4 μg/m3 (27) 47.0
 
Oct. 15, 2021, 11 a.m. 6.5 ppb (7) 1.1 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (26) 0.19 ppb (3) 42.0 μg/m3 (39) 6.8 μg/m3 (29) 39.0
 
Oct. 15, 2021, 10 a.m. 6.1 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (23) 0.2 ppb (3) 33.0 μg/m3 (31) 6.4 μg/m3 (27) 31.0
 
Oct. 15, 2021, 9 a.m. 4.9 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) 0.18 ppb (3) 26.0 μg/m3 (25) 4.4 μg/m3 (19) 25.0
 
Oct. 15, 2021, 8 a.m. 8.1 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (22) 0.21 ppb (3) 37.0 μg/m3 (35) 5.9 μg/m3 (25) 35.0
 
Oct. 15, 2021, 7 a.m. 16.7 ppb (16) 0.9 ppb (1) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 17.0 ppb (16) 0.32 ppb (4) 56.0 μg/m3 (52) 10.2 μg/m3 (43) 52.0
 
Oct. 15, 2021, 6 a.m. 24.8 ppb (24) 3.0 ppb (3) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 15.0 ppb (14) 0.43 ppb (5) 89.0 μg/m3 (68) 14.3 μg/m3 (56) 68.0
 
Oct. 15, 2021, 5 a.m. 28.5 ppb (27) 2.8 ppb (3) N/A 26.0 ppb (25) N/A 0.0 ppb (0) 13.0 ppb (13) 0.47 ppb (6) 70.0 μg/m3 (59) 12.6 μg/m3 (53) 59.0
 
Oct. 15, 2021, 4 a.m. 46.8 ppb (45) 11.9 ppb (12) N/A 35.0 ppb (34) N/A 0.0 ppb (0) 5.0 ppb (5) 0.61 ppb (7) 98.0 μg/m3 (73) 18.0 μg/m3 (64) 73.0
 
Oct. 15, 2021, 3 a.m. 36.8 ppb (35) 7.1 ppb (7) N/A 30.0 ppb (29) N/A 0.0 ppb (0) 13.0 ppb (13) 0.49 ppb (6) 112.0 μg/m3 (80) 17.8 μg/m3 (63) 80.0
 
Oct. 15, 2021, 2 a.m. 27.1 ppb (26) 3.7 ppb (4) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 23.0 ppb (22) 0.48 ppb (6) 74.0 μg/m3 (61) 9.4 μg/m3 (40) 61.0
 
Oct. 15, 2021, 1 a.m. 18.9 ppb (18) 1.9 ppb (2) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 32.0 ppb (30) 0.38 ppb (5) 56.0 μg/m3 (52) 7.3 μg/m3 (31) 52.0
 
Oct. 15, 2021, midnight 12.9 ppb (13) 4.3 ppb (5) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 47.0 ppb (44) 0.22 ppb (3) 36.0 μg/m3 (34) 7.1 μg/m3 (30) 44.0
 
Oct. 14, 2021, 11 p.m. 7.7 ppb (8) 2.9 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 51.0 ppb (48) 0.25 ppb (3) 34.0 μg/m3 (32) 3.8 μg/m3 (16) 48.0
 
Oct. 14, 2021, 10 p.m. 9.8 ppb (10) 4.7 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 49.0 ppb (46) 0.21 ppb (3) 30.0 μg/m3 (28) 3.6 μg/m3 (16) 46.0
 
Oct. 14, 2021, 9 p.m. 5.0 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (48) 0.18 ppb (3) 26.0 μg/m3 (25) 3.9 μg/m3 (17) 48.0
 
Oct. 14, 2021, 8 p.m. 5.7 ppb (6) 2.3 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 50.0 ppb (47) 0.19 ppb (3) N/A N/A 47.0
 
Oct. 14, 2021, 7 p.m. 6.6 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (44) 0.19 ppb (3) 28.0 μg/m3 (26) 3.3 μg/m3 (14) 44.0
 
Oct. 14, 2021, 6 p.m. 7.2 ppb (7) 2.3 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (41) 0.21 ppb (3) 42.0 μg/m3 (39) 4.4 μg/m3 (19) 41.0
 
Oct. 14, 2021, 5 p.m. 8.9 ppb (9) 2.9 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (37) 0.22 ppb (3) 47.0 μg/m3 (44) 7.9 μg/m3 (33) 44.0
 
Oct. 14, 2021, 4 p.m. 14.3 ppb (14) 5.3 ppb (5) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 30.0 ppb (28) 0.26 ppb (4) 55.0 μg/m3 (51) 13.5 μg/m3 (54) 54.0
 
Oct. 14, 2021, 3 p.m. 23.0 ppb (22) 7.9 ppb (8) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 22.0 ppb (21) 0.38 ppb (5) 74.0 μg/m3 (61) 10.9 μg/m3 (46) 61.0
 
Oct. 14, 2021, 2 p.m. 24.0 ppb (23) 5.9 ppb (6) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 16.0 ppb (15) 0.4 ppb (5) 112.0 μg/m3 (80) 12.5 μg/m3 (52) 80.0
 
Oct. 14, 2021, 1 p.m. 36.1 ppb (35) 11.5 ppb (11) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 5.0 ppb (5) 0.5 ppb (6) 86.0 μg/m3 (67) 20.9 μg/m3 (70) 70.0
 
Oct. 14, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) 10.2 μg/m3 (43) 46.0
 
Oct. 14, 2021, 11 a.m. 20.5 ppb (20) 2.4 ppb (3) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 14.0 ppb (13) 0.42 ppb (5) 51.0 μg/m3 (48) 18.4 μg/m3 (65) 65.0
 
Oct. 14, 2021, 10 a.m. 39.6 ppb (38) 15.9 ppb (15) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 6.0 ppb (6) 0.62 ppb (7) 66.0 μg/m3 (57) 21.9 μg/m3 (72) 72.0
 
Oct. 14, 2021, 9 a.m. 56.7 ppb (54) 31.2 ppb (30) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 1.0 ppb (1) 0.92 ppb (11) 62.0 μg/m3 (55) 19.2 μg/m3 (66) 66.0
 
Oct. 14, 2021, 8 a.m. 59.9 ppb (58) 32.9 ppb (32) N/A 27.0 ppb (26) N/A 0.0 ppb (0) 1.0 ppb (1) 0.95 ppb (11) 64.0 μg/m3 (56) 18.6 μg/m3 (65) 65.0
 
Oct. 14, 2021, 7 a.m. 66.2 ppb (64) 37.6 ppb (36) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 1.0 ppb (1) 1.1 ppb (13) 74.0 μg/m3 (61) 16.6 μg/m3 (61) 64.0
 
Oct. 14, 2021, 6 a.m. 109.5 ppb (103) 81.4 ppb (81) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 1.0 ppb (1) 1.57 ppb (19) 118.0 μg/m3 (83) 31.2 μg/m3 (92) 103.0
 
Oct. 14, 2021, 5 a.m. 97.7 ppb (98) 67.3 ppb (66) N/A 30.0 ppb (29) N/A 1.0 ppb (2) 1.0 ppb (1) 1.4 ppb (16) 114.0 μg/m3 (81) 22.2 μg/m3 (73) 98.0
 
Oct. 14, 2021, 4 a.m. 42.7 ppb (41) 14.5 ppb (14) N/A 28.0 ppb (27) N/A 0.0 ppb (0) 3.0 ppb (3) 0.81 ppb (10) 65.0 μg/m3 (56) 7.4 μg/m3 (31) 56.0
 
Oct. 14, 2021, 3 a.m. 37.7 ppb (36) 7.3 ppb (7) N/A 30.0 ppb (29) N/A 0.0 ppb (0) 7.0 ppb (7) 0.55 ppb (7) 72.0 μg/m3 (60) 10.8 μg/m3 (46) 60.0
 
Oct. 14, 2021, 2 a.m. 24.7 ppb (24) 2.2 ppb (3) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 16.0 ppb (15) 0.43 ppb (5) 64.0 μg/m3 (56) 7.3 μg/m3 (31) 56.0
 
Oct. 14, 2021, 1 a.m. 6.5 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (38) 0.22 ppb (3) 32.0 μg/m3 (30) 4.8 μg/m3 (20) 38.0
 
Oct. 14, 2021, midnight 6.1 ppb (6) 2.4 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (40) 0.18 ppb (3) 27.0 μg/m3 (25) 3.0 μg/m3 (13) 40.0
 
Oct. 13, 2021, 11 p.m. 6.8 ppb (7) 2.9 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) 0.2 ppb (3) 25.0 μg/m3 (24) 3.3 μg/m3 (14) 38.0
 
Oct. 13, 2021, 10 p.m. 4.8 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (42) 0.18 ppb (3) 23.0 μg/m3 (22) 4.8 μg/m3 (20) 42.0
 
Oct. 13, 2021, 9 p.m. 5.3 ppb (5) 2.3 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (42) 0.19 ppb (3) 30.0 μg/m3 (28) 3.8 μg/m3 (16) 42.0
 
Oct. 13, 2021, 8 p.m. 5.0 ppb (5) 2.3 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.15 ppb (2) 33.0 μg/m3 (31) 4.5 μg/m3 (19) 39.0
 
Oct. 13, 2021, 7 p.m. 3.2 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.16 ppb (3) 30.0 μg/m3 (28) 6.2 μg/m3 (26) 38.0
 
Oct. 13, 2021, 6 p.m. 7.0 ppb (7) 3.3 ppb (4) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.17 ppb (3) 26.0 μg/m3 (25) 3.8 μg/m3 (16) 36.0
 
Oct. 13, 2021, 5 p.m. 10.3 ppb (10) 4.0 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) 42.0 μg/m3 (39) 4.2 μg/m3 (18) 39.0
 
Oct. 13, 2021, 4 p.m. 9.7 ppb (10) 4.1 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) 61.0 μg/m3 (54) 7.0 μg/m3 (30) 54.0
 
Oct. 13, 2021, 3 p.m. 16.3 ppb (16) 6.2 ppb (6) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (22) 0.29 ppb (4) 79.0 μg/m3 (63) 12.0 μg/m3 (50) 63.0
 
Oct. 13, 2021, 2 p.m. 22.7 ppb (22) 8.1 ppb (8) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 16.0 ppb (15) 1.04 ppb (12) 97.0 μg/m3 (72) 9.1 μg/m3 (38) 72.0
 
Oct. 13, 2021, 1 p.m. 31.9 ppb (31) 14.4 ppb (14) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 10.0 ppb (10) 0.52 ppb (6) 66.0 μg/m3 (57) 8.0 μg/m3 (34) 57.0
 
Oct. 13, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 7.4 μg/m3 (31) 42.0
 
Oct. 13, 2021, 11 a.m. 23.8 ppb (23) 4.6 ppb (5) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 5.0 ppb (5) 0.37 ppb (5) 52.0 μg/m3 (49) 7.3 μg/m3 (31) 49.0
 
Oct. 13, 2021, 10 a.m. 14.1 ppb (14) 2.7 ppb (3) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 13.0 ppb (13) 0.24 ppb (3) 36.0 μg/m3 (34) 6.4 μg/m3 (27) 34.0
 
Oct. 13, 2021, 9 a.m. 6.2 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (19) 0.2 ppb (3) 41.0 μg/m3 (38) 9.9 μg/m3 (42) 42.0
 
Oct. 13, 2021, 8 a.m. 24.1 ppb (23) 3.9 ppb (4) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 6.0 ppb (6) 0.42 ppb (5) 90.0 μg/m3 (69) 29.1 μg/m3 (87) 87.0
 
Oct. 13, 2021, 7 a.m. 93.1 ppb (93) 65.0 ppb (63) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 1.0 ppb (1) 1.43 ppb (16) 146.0 μg/m3 (97) 44.7 μg/m3 (124) 124.0
 
Oct. 13, 2021, 6 a.m. 100.8 ppb (101) 69.7 ppb (68) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 1.0 ppb (1) 1.48 ppb (18) 147.0 μg/m3 (97) 29.4 μg/m3 (88) 101.0
 
Oct. 13, 2021, 5 a.m. 84.9 ppb (84) 53.1 ppb (51) N/A 32.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) 1.26 ppb (15) 136.0 μg/m3 (92) 22.2 μg/m3 (73) 92.0
 
Oct. 13, 2021, 4 a.m. 51.8 ppb (49) 22.5 ppb (22) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 4.0 ppb (4) 0.74 ppb (8) 98.0 μg/m3 (73) 14.9 μg/m3 (57) 73.0
 
Oct. 13, 2021, 3 a.m. 41.0 ppb (39) 13.6 ppb (13) N/A 27.0 ppb (26) N/A 0.0 ppb (0) 6.0 ppb (6) 0.67 ppb (8) 62.0 μg/m3 (55) 6.8 μg/m3 (29) 55.0
 
Oct. 13, 2021, 2 a.m. 24.8 ppb (24) 5.3 ppb (5) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 20.0 ppb (19) 0.43 ppb (5) 46.0 μg/m3 (43) 7.4 μg/m3 (31) 43.0
 
Oct. 13, 2021, 1 a.m. 12.1 ppb (12) 2.6 ppb (3) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 33.0 ppb (31) 0.3 ppb (4) 42.0 μg/m3 (39) -0.7 μg/m3 (0) 39.0
 
Oct. 13, 2021, midnight 11.6 ppb (11) 4.6 ppb (5) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 40.0 ppb (38) 0.23 ppb (3) 41.0 μg/m3 (38) 0.3 μg/m3 (2) 38.0