ID: 2340

AQSQID: 800150251

Site Name: Chalco

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

Updated: Oct. 17, 2021, 4:07 a.m.

Location: Chalco De Díaz Covarrubias (Calle San Juan), MX

Reporting: True, Located: True

Current AQI: 45.0

Chalco De Díaz Covarrubias (Calle San Juan) MX, MX: 19.2669, -98.886

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 17, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 18.0 ppb (17) 0.6 ppb (7) 48.0 μg/m3 (45) N/A 45.0
 
Oct. 17, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) 0.5 ppb (6) 84.0 μg/m3 (66) N/A 66.0
 
Oct. 17, 2021, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (29) 0.5 ppb (6) 85.0 μg/m3 (66) N/A 66.0
 
Oct. 16, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 34.0 ppb (32) 0.5 ppb (6) 83.0 μg/m3 (65) N/A 65.0
 
Oct. 16, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 35.0 ppb (33) 0.5 ppb (6) 126.0 μg/m3 (87) N/A 87.0
 
Oct. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 36.0 ppb (34) 0.5 ppb (6) 70.0 μg/m3 (59) N/A 59.0
 
Oct. 16, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 36.0 ppb (34) 0.5 ppb (6) 42.0 μg/m3 (39) N/A 39.0
 
Oct. 16, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 34.0 ppb (32) 0.5 ppb (6) 40.0 μg/m3 (38) N/A 38.0
 
Oct. 16, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 35.0 ppb (33) 0.5 ppb (6) 40.0 μg/m3 (38) N/A 38.0
 
Oct. 16, 2021, 5 p.m. 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. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 29.0 ppb (27) 0.7 ppb (8) 72.0 μg/m3 (60) N/A 60.0
 
Oct. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 14.0 ppb (13) 1.0 ppb (12) 94.0 μg/m3 (71) N/A 71.0
 
Oct. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 3.0 ppb (3) 1.7 ppb (20) 81.0 μg/m3 (64) N/A 64.0
 
Oct. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 1.0 ppb (1) 1.3 ppb (15) 65.0 μg/m3 (56) N/A 56.0
 
Oct. 16, 2021, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 1.0 ppb (1) 1.2 ppb (14) 100.0 μg/m3 (74) N/A 74.0
 
Oct. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 2.0 ppb (2) 0.9 ppb (11) 92.0 μg/m3 (70) N/A 70.0
 
Oct. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 1.0 ppb (1) 0.8 ppb (10) 42.0 μg/m3 (39) N/A 39.0
 
Oct. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 2.0 ppb (2) 0.6 ppb (7) 48.0 μg/m3 (45) N/A 45.0
 
Oct. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 4.0 ppb (4) 0.6 ppb (7) 61.0 μg/m3 (54) N/A 54.0
 
Oct. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 2.0 ppb (2) 0.6 ppb (7) N/A N/A 7.0
 
Oct. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 3.0 ppb (3) 0.8 ppb (10) N/A N/A 10.0
 
Oct. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 4.0 ppb (4) 0.8 ppb (10) 54.0 μg/m3 (50) N/A 50.0
 
Oct. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 12.0 ppb (12) 0.8 ppb (10) 41.0 μg/m3 (38) N/A 38.0
 
Oct. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 14.0 ppb (13) 0.7 ppb (8) 42.0 μg/m3 (39) N/A 39.0
 
Oct. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 23.0 ppb (22) 0.7 ppb (8) 73.0 μg/m3 (60) N/A 60.0
 
Oct. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 43.0 ppb (40) 0.9 ppb (11) 65.0 μg/m3 (56) N/A 56.0
 
Oct. 16, 2021, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 34.0 ppb (32) 0.7 ppb (8) 56.0 μg/m3 (52) N/A 52.0
 
Oct. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 41.0 ppb (38) 0.5 ppb (6) 39.0 μg/m3 (37) N/A 38.0
 
Oct. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 46.0 ppb (43) 0.4 ppb (5) 34.0 μg/m3 (32) N/A 43.0
 
Oct. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 46.0 ppb (43) 0.4 ppb (5) 36.0 μg/m3 (34) N/A 43.0
 
Oct. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 56.0 ppb (55) 0.4 ppb (5) 46.0 μg/m3 (43) N/A 55.0
 
Oct. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 62.0 ppb (74) 0.4 ppb (5) 72.0 μg/m3 (60) N/A 74.0
 
Oct. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 61.0 ppb (71) 0.7 ppb (8) 88.0 μg/m3 (68) N/A 71.0
 
Oct. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 48.0 ppb (45) 1.3 ppb (15) 72.0 μg/m3 (60) N/A 60.0
 
Oct. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 28.0 ppb (26) 1.2 ppb (14) 84.0 μg/m3 (66) N/A 66.0
 
Oct. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 9.0 ppb (9) 1.6 ppb (19) 107.0 μg/m3 (77) N/A 77.0
 
Oct. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 3.0 ppb (3) 1.7 ppb (20) 128.0 μg/m3 (88) N/A 88.0
 
Oct. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 1.0 ppb (1) 2.9 ppb (33) 79.0 μg/m3 (63) N/A 63.0
 
Oct. 15, 2021, noon N/A N/A N/A N/A N/A 2.0 ppb (3) 0.0 ppb (0) 1.6 ppb (19) 61.0 μg/m3 (54) N/A 54.0
 
Oct. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 1.0 ppb (1) 1.1 ppb (13) 35.0 μg/m3 (33) N/A 33.0
 
Oct. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 4.0 ppb (4) 0.7 ppb (8) 40.0 μg/m3 (38) N/A 38.0
 
Oct. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 5.0 ppb (5) 0.6 ppb (7) 43.0 μg/m3 (40) N/A 40.0
 
Oct. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 3.0 ppb (3) 0.6 ppb (7) 62.0 μg/m3 (55) N/A 55.0
 
Oct. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 15.0 ppb (14) 0.6 ppb (7) N/A N/A 14.0
 
Oct. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 22.0 ppb (21) 0.7 ppb (8) N/A N/A 21.0
 
Oct. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 27.0 ppb (25) 0.7 ppb (8) 61.0 μg/m3 (54) N/A 54.0
 
Oct. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 18.0 ppb (17) 0.9 ppb (11) 43.0 μg/m3 (40) N/A 40.0
 
Oct. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 30.0 ppb (28) 0.7 ppb (8) 47.0 μg/m3 (44) N/A 44.0
 
Oct. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 41.0 ppb (38) 0.9 ppb (11) 56.0 μg/m3 (52) N/A 52.0
 
Oct. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 51.0 ppb (48) 0.9 ppb (11) 65.0 μg/m3 (56) N/A 56.0
 
Oct. 15, 2021, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 62.0 ppb (74) 0.8 ppb (10) 81.0 μg/m3 (64) N/A 74.0
 
Oct. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 67.0 ppb (91) 0.8 ppb (10) 53.0 μg/m3 (50) N/A 91.0
 
Oct. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 73.0 ppb (103) 0.7 ppb (8) 37.0 μg/m3 (35) N/A 103.0
 
Oct. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 81.0 ppb (107) 0.5 ppb (6) 44.0 μg/m3 (41) N/A 107.0
 
Oct. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 85.0 ppb (109) 0.5 ppb (6) 38.0 μg/m3 (36) N/A 109.0
 
Oct. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 0.6 ppb (7) 49.0 μg/m3 (46) N/A 46.0
 
Oct. 14, 2021, 6 p.m. N/A N/A N/A 14.0 ppb (14) N/A 5.0 ppb (8) 66.0 ppb (87) 0.5 ppb (6) 80.0 μg/m3 (64) N/A 87.0
 
Oct. 14, 2021, 5 p.m. N/A N/A N/A 26.0 ppb (25) N/A 4.0 ppb (6) 49.0 ppb (46) 0.8 ppb (10) 128.0 μg/m3 (88) N/A 88.0
 
Oct. 14, 2021, 4 p.m. N/A N/A N/A 37.0 ppb (35) N/A 7.0 ppb (10) 21.0 ppb (20) 1.2 ppb (14) 122.0 μg/m3 (85) N/A 85.0
 
Oct. 14, 2021, 3 p.m. N/A N/A N/A 38.0 ppb (36) N/A 8.0 ppb (12) 6.0 ppb (6) 2.3 ppb (27) 129.0 μg/m3 (88) N/A 88.0
 
Oct. 14, 2021, 2 p.m. N/A N/A N/A 24.0 ppb (23) N/A 3.0 ppb (5) 2.0 ppb (2) 2.1 ppb (24) 103.0 μg/m3 (75) N/A 75.0
 
Oct. 14, 2021, 1 p.m. N/A N/A N/A 26.0 ppb (25) N/A 3.0 ppb (5) 2.0 ppb (2) 2.4 ppb (28) 65.0 μg/m3 (56) N/A 56.0
 
Oct. 14, 2021, noon N/A N/A N/A 22.0 ppb (21) N/A 3.0 ppb (5) 1.0 ppb (1) 1.5 ppb (18) 59.0 μg/m3 (53) N/A 53.0
 
Oct. 14, 2021, 11 a.m. N/A N/A N/A 19.0 ppb (18) N/A 4.0 ppb (6) 2.0 ppb (2) 1.1 ppb (13) 53.0 μg/m3 (50) N/A 50.0
 
Oct. 14, 2021, 10 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 1.0 ppb (1) 0.7 ppb (8) 29.0 μg/m3 (27) N/A 27.0
 
Oct. 14, 2021, 9 a.m. N/A N/A N/A 17.0 ppb (17) N/A 2.0 ppb (3) 2.0 ppb (2) 0.5 ppb (6) 32.0 μg/m3 (30) N/A 30.0
 
Oct. 14, 2021, 8 a.m. N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 4.0 ppb (4) 0.4 ppb (5) 39.0 μg/m3 (37) N/A 37.0
 
Oct. 14, 2021, 7 a.m. N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 3.0 ppb (3) 0.5 ppb (6) N/A N/A 21.0
 
Oct. 14, 2021, 6 a.m. N/A N/A N/A 17.0 ppb (17) N/A 2.0 ppb (3) 10.0 ppb (10) 0.5 ppb (6) 40.0 μg/m3 (38) N/A 38.0
 
Oct. 14, 2021, 5 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 6.0 ppb (6) 0.6 ppb (7) 35.0 μg/m3 (33) N/A 33.0
 
Oct. 14, 2021, 4 a.m. N/A N/A N/A 25.0 ppb (24) N/A 2.0 ppb (3) 14.0 ppb (13) 0.7 ppb (8) 34.0 μg/m3 (32) N/A 32.0
 
Oct. 14, 2021, 3 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 25.0 ppb (24) 0.6 ppb (7) 34.0 μg/m3 (32) N/A 32.0
 
Oct. 14, 2021, 2 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 34.0 ppb (32) 0.6 ppb (7) 47.0 μg/m3 (44) N/A 44.0
 
Oct. 14, 2021, 1 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 37.0 ppb (35) 0.7 ppb (8) 36.0 μg/m3 (34) N/A 35.0
 
Oct. 14, 2021, midnight N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 39.0 ppb (37) 0.7 ppb (8) 46.0 μg/m3 (43) N/A 43.0
 
Oct. 13, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 40.0 ppb (38) 0.4 ppb (5) 51.0 μg/m3 (48) N/A 48.0
 
Oct. 13, 2021, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 2.0 ppb (3) 40.0 ppb (38) 0.5 ppb (6) 40.0 μg/m3 (38) N/A 38.0
 
Oct. 13, 2021, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 39.0 ppb (37) 0.5 ppb (6) 29.0 μg/m3 (27) N/A 37.0
 
Oct. 13, 2021, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 36.0 ppb (34) 0.5 ppb (6) 19.0 μg/m3 (18) N/A 34.0
 
Oct. 13, 2021, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 44.0 ppb (41) 0.4 ppb (5) 22.0 μg/m3 (21) N/A 41.0
 
Oct. 13, 2021, 6 p.m. N/A N/A N/A 8.0 ppb (8) N/A 2.0 ppb (3) 49.0 ppb (46) 0.4 ppb (5) 41.0 μg/m3 (38) N/A 46.0
 
Oct. 13, 2021, 5 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 43.0 ppb (40) 0.7 ppb (8) 40.0 μg/m3 (38) N/A 40.0
 
Oct. 13, 2021, 4 p.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 22.0 ppb (21) 1.0 ppb (12) 84.0 μg/m3 (66) N/A 66.0
 
Oct. 13, 2021, 3 p.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 8.0 ppb (8) 1.3 ppb (15) 152.0 μg/m3 (100) N/A 100.0
 
Oct. 13, 2021, 2 p.m. N/A N/A N/A 24.0 ppb (23) N/A 3.0 ppb (5) 3.0 ppb (3) 2.9 ppb (33) 79.0 μg/m3 (63) N/A 63.0
 
Oct. 13, 2021, 1 p.m. N/A N/A N/A 21.0 ppb (20) N/A 3.0 ppb (5) 1.0 ppb (1) 2.1 ppb (24) 77.0 μg/m3 (62) N/A 62.0
 
Oct. 13, 2021, noon N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 1.0 ppb (1) 1.5 ppb (18) 59.0 μg/m3 (53) N/A 53.0
 
Oct. 13, 2021, 11 a.m. N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 1.0 ppb (1) 1.0 ppb (12) 38.0 μg/m3 (36) N/A 36.0
 
Oct. 13, 2021, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 1.0 ppb (1) 0.8 ppb (10) 34.0 μg/m3 (32) N/A 32.0
 
Oct. 13, 2021, 9 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 3.0 ppb (3) 0.4 ppb (5) 36.0 μg/m3 (34) N/A 34.0
 
Oct. 13, 2021, 8 a.m. N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 7.0 ppb (7) 0.3 ppb (4) 21.0 μg/m3 (20) N/A 20.0
 
Oct. 13, 2021, 7 a.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 7.0 ppb (7) 0.3 ppb (4) N/A N/A 18.0
 
Oct. 13, 2021, 6 a.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 4.0 ppb (4) 0.4 ppb (5) 36.0 μg/m3 (34) N/A 34.0
 
Oct. 13, 2021, 5 a.m. N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 9.0 ppb (9) 0.5 ppb (6) 57.0 μg/m3 (52) N/A 52.0
 
Oct. 13, 2021, 4 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 10.0 ppb (10) 0.6 ppb (7) 53.0 μg/m3 (50) N/A 50.0
 
Oct. 13, 2021, 3 a.m. N/A N/A N/A 34.0 ppb (33) N/A 2.0 ppb (3) 8.0 ppb (8) 0.9 ppb (11) 39.0 μg/m3 (37) N/A 37.0
 
Oct. 13, 2021, 2 a.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 21.0 ppb (20) 0.7 ppb (8) 38.0 μg/m3 (36) N/A 36.0
 
Oct. 13, 2021, 1 a.m. N/A N/A N/A 21.0 ppb (20) N/A 2.0 ppb (3) 31.0 ppb (29) 0.7 ppb (8) 35.0 μg/m3 (33) N/A 33.0
 
Oct. 13, 2021, midnight N/A N/A N/A 12.0 ppb (12) N/A 2.0 ppb (3) 38.0 ppb (36) 0.7 ppb (8) 50.0 μg/m3 (47) N/A 47.0
 
Oct. 12, 2021, 11 p.m. N/A N/A N/A 7.0 ppb (7) N/A 2.0 ppb (3) 42.0 ppb (39) 0.4 ppb (5) 44.0 μg/m3 (41) N/A 41.0
 
Oct. 12, 2021, 10 p.m. N/A N/A N/A 7.0 ppb (7) N/A 2.0 ppb (3) 42.0 ppb (39) 0.4 ppb (5) 34.0 μg/m3 (32) N/A 39.0
 
Oct. 12, 2021, 9 p.m. N/A N/A N/A 8.0 ppb (8) N/A 2.0 ppb (3) 44.0 ppb (41) 0.6 ppb (7) 34.0 μg/m3 (32) N/A 41.0
 
Oct. 12, 2021, 8 p.m. N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 48.0 ppb (45) 0.5 ppb (6) 18.0 μg/m3 (17) N/A 45.0
 
Oct. 12, 2021, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 44.0 ppb (41) 0.5 ppb (6) 28.0 μg/m3 (26) N/A 41.0
 
Oct. 12, 2021, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 2.0 ppb (3) 41.0 ppb (38) 0.5 ppb (6) 33.0 μg/m3 (31) N/A 38.0
 
Oct. 12, 2021, 5 p.m. N/A N/A N/A 9.0 ppb (9) N/A 2.0 ppb (3) 40.0 ppb (38) 0.5 ppb (6) 32.0 μg/m3 (30) N/A 38.0
 
Oct. 12, 2021, 4 p.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 30.0 ppb (28) 0.7 ppb (8) 47.0 μg/m3 (44) N/A 44.0
 
Oct. 12, 2021, 3 p.m. N/A N/A N/A 13.0 ppb (13) N/A 2.0 ppb (3) 21.0 ppb (20) 0.8 ppb (10) 69.0 μg/m3 (58) N/A 58.0
 
Oct. 12, 2021, 2 p.m. N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 6.0 ppb (6) 1.6 ppb (19) 53.0 μg/m3 (50) N/A 50.0
 
Oct. 12, 2021, 1 p.m. N/A N/A N/A 29.0 ppb (28) N/A 2.0 ppb (3) 1.0 ppb (1) 1.5 ppb (18) 44.0 μg/m3 (41) N/A 41.0
 
Oct. 12, 2021, noon N/A N/A N/A 28.0 ppb (27) N/A 2.0 ppb (3) 1.0 ppb (1) 1.0 ppb (12) 39.0 μg/m3 (37) N/A 37.0
 
Oct. 12, 2021, 11 a.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 5.0 ppb (5) 0.6 ppb (7) 28.0 μg/m3 (26) N/A 26.0
 
Oct. 12, 2021, 10 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 6.0 ppb (6) 0.5 ppb (6) 37.0 μg/m3 (35) N/A 35.0
 
Oct. 12, 2021, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 6.0 ppb (6) 0.4 ppb (5) 37.0 μg/m3 (35) N/A 35.0
 
Oct. 12, 2021, 8 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 5.0 ppb (5) 0.5 ppb (6) 25.0 μg/m3 (24) N/A 24.0
 
Oct. 12, 2021, 7 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 7.0 ppb (7) 0.4 ppb (5) N/A N/A 19.0
 
Oct. 12, 2021, 6 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 12.0 ppb (12) 0.6 ppb (7) 37.0 μg/m3 (35) N/A 35.0
 
Oct. 12, 2021, 5 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 7.0 ppb (7) 0.7 ppb (8) 46.0 μg/m3 (43) N/A 43.0
 
Oct. 12, 2021, 4 a.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 15.0 ppb (14) 0.7 ppb (8) 38.0 μg/m3 (36) N/A 36.0
 
Oct. 12, 2021, 3 a.m. N/A N/A N/A 34.0 ppb (33) N/A 1.0 ppb (2) 15.0 ppb (14) 0.8 ppb (10) 37.0 μg/m3 (35) N/A 35.0
 
Oct. 12, 2021, 2 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 35.0 ppb (33) 0.6 ppb (7) 51.0 μg/m3 (48) N/A 48.0
 
Oct. 12, 2021, 1 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 41.0 ppb (38) 0.6 ppb (7) 41.0 μg/m3 (38) N/A 38.0
 
Oct. 12, 2021, midnight N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 45.0 ppb (42) 0.6 ppb (7) 42.0 μg/m3 (39) N/A 42.0
 
Oct. 11, 2021, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A 2.0 ppb (3) 49.0 ppb (46) 0.5 ppb (6) 40.0 μg/m3 (38) N/A 46.0
 
Oct. 11, 2021, 10 p.m. N/A N/A N/A 9.0 ppb (9) N/A 2.0 ppb (3) 54.0 ppb (50) 0.7 ppb (8) 42.0 μg/m3 (39) N/A 50.0
 
Oct. 11, 2021, 9 p.m. N/A N/A N/A 11.0 ppb (11) N/A 3.0 ppb (5) 59.0 ppb (65) 0.6 ppb (7) 50.0 μg/m3 (47) N/A 65.0
 
Oct. 11, 2021, 8 p.m. N/A N/A N/A 13.0 ppb (13) N/A 4.0 ppb (6) 73.0 ppb (103) 0.8 ppb (10) 54.0 μg/m3 (50) N/A 103.0
 
Oct. 11, 2021, 7 p.m. N/A N/A N/A 20.0 ppb (19) N/A 5.0 ppb (8) 92.0 ppb (113) 0.9 ppb (11) 58.0 μg/m3 (53) N/A 113.0
 
Oct. 11, 2021, 6 p.m. N/A N/A N/A 25.0 ppb (24) N/A 5.0 ppb (8) 74.0 ppb (103) 0.9 ppb (11) 48.0 μg/m3 (45) N/A 103.0
 
Oct. 11, 2021, 5 p.m. N/A N/A N/A 23.0 ppb (22) N/A 3.0 ppb (5) 45.0 ppb (42) 0.9 ppb (11) 53.0 μg/m3 (50) N/A 50.0
 
Oct. 11, 2021, 4 p.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 20.0 ppb (19) 0.9 ppb (11) 64.0 μg/m3 (56) N/A 56.0
 
Oct. 11, 2021, 3 p.m. N/A N/A N/A 30.0 ppb (29) N/A 2.0 ppb (3) 5.0 ppb (5) 1.6 ppb (19) 95.0 μg/m3 (71) N/A 71.0
 
Oct. 11, 2021, 2 p.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 3.0 ppb (3) 2.2 ppb (25) 92.0 μg/m3 (70) N/A 70.0
 
Oct. 11, 2021, 1 p.m. N/A N/A N/A 22.0 ppb (21) N/A 3.0 ppb (5) 1.0 ppb (1) 2.3 ppb (27) 78.0 μg/m3 (63) N/A 63.0
 
Oct. 11, 2021, noon N/A N/A N/A 24.0 ppb (23) N/A 3.0 ppb (5) 1.0 ppb (1) 1.6 ppb (19) 48.0 μg/m3 (45) N/A 45.0
 
Oct. 11, 2021, 11 a.m. N/A N/A N/A 23.0 ppb (22) N/A 3.0 ppb (5) 1.0 ppb (1) 1.5 ppb (18) 32.0 μg/m3 (30) N/A 30.0
 
Oct. 11, 2021, 10 a.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 1.0 ppb (1) 0.7 ppb (8) 39.0 μg/m3 (37) N/A 37.0
 
Oct. 11, 2021, 9 a.m. N/A N/A N/A N/A N/A 95.0 ppb (110) N/A 9.7 ppb (105) 18.0 μg/m3 (17) N/A 110.0
 
Oct. 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) N/A 28.0
 
Oct. 11, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.2 ppb (3) N/A N/A 3.0
 
Oct. 11, 2021, 6 a.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 5.0 ppb (5) 0.6 ppb (7) 28.0 μg/m3 (26) N/A 26.0
 
Oct. 11, 2021, 5 a.m. N/A N/A N/A 15.0 ppb (15) N/A 2.0 ppb (3) 15.0 ppb (14) 0.5 ppb (6) 49.0 μg/m3 (46) N/A 46.0
 
Oct. 11, 2021, 4 a.m. N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) 7.0 ppb (7) 0.6 ppb (7) 46.0 μg/m3 (43) N/A 43.0
 
Oct. 11, 2021, 3 a.m. N/A N/A N/A 17.0 ppb (17) N/A 3.0 ppb (5) 17.0 ppb (16) 0.6 ppb (7) 28.0 μg/m3 (26) N/A 26.0
 
Oct. 11, 2021, 2 a.m. N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 18.0 ppb (17) 0.6 ppb (7) 25.0 μg/m3 (24) N/A 24.0
 
Oct. 11, 2021, 1 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 32.0 ppb (30) 0.5 ppb (6) 23.0 μg/m3 (22) N/A 30.0
 
Oct. 11, 2021, midnight N/A N/A N/A 7.0 ppb (7) N/A 2.0 ppb (3) 40.0 ppb (38) 0.5 ppb (6) 29.0 μg/m3 (27) N/A 38.0
 
Oct. 10, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 44.0 ppb (41) 0.4 ppb (5) 33.0 μg/m3 (31) N/A 41.0
 
Oct. 10, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 43.0 ppb (40) 0.5 ppb (6) 25.0 μg/m3 (24) N/A 40.0
 
Oct. 10, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 41.0 ppb (38) 0.5 ppb (6) 13.0 μg/m3 (13) N/A 38.0
 
Oct. 10, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 37.0 ppb (35) 0.4 ppb (5) 7.0 μg/m3 (7) N/A 35.0
 
Oct. 10, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 34.0 ppb (32) 0.4 ppb (5) 17.0 μg/m3 (16) N/A 32.0
 
Oct. 10, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 33.0 ppb (31) 0.5 ppb (6) 12.0 μg/m3 (12) N/A 31.0
 
Oct. 10, 2021, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 30.0 ppb (28) 0.4 ppb (5) 18.0 μg/m3 (17) N/A 28.0
 
Oct. 10, 2021, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 27.0 ppb (25) 0.4 ppb (5) 20.0 μg/m3 (19) N/A 25.0
 
Oct. 10, 2021, 3 p.m. N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 17.0 ppb (16) 0.5 ppb (6) 27.0 μg/m3 (25) N/A 25.0
 
Oct. 10, 2021, 2 p.m. N/A N/A N/A 15.0 ppb (15) N/A 2.0 ppb (3) 7.0 ppb (7) 0.9 ppb (11) 22.0 μg/m3 (21) N/A 21.0
 
Oct. 10, 2021, 1 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 2.0 ppb (2) 0.8 ppb (10) 12.0 μg/m3 (12) N/A 18.0
 
Oct. 10, 2021, noon N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 9.0 ppb (9) 0.5 ppb (6) 15.0 μg/m3 (14) N/A 16.0
 
Oct. 10, 2021, 11 a.m. N/A N/A N/A 8.0 ppb (8) N/A 2.0 ppb (3) 16.0 ppb (15) 0.4 ppb (5) 21.0 μg/m3 (20) N/A 20.0
 
Oct. 10, 2021, 10 a.m. N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 7.0 ppb (7) 0.5 ppb (6) 13.0 μg/m3 (13) N/A 14.0
 
Oct. 10, 2021, 9 a.m. N/A N/A N/A 12.0 ppb (12) N/A 2.0 ppb (3) 12.0 ppb (12) 0.3 ppb (4) 18.0 μg/m3 (17) N/A 17.0
 
Oct. 10, 2021, 8 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 15.0 ppb (14) 0.3 ppb (4) 26.0 μg/m3 (25) N/A 25.0
 
Oct. 10, 2021, 7 a.m. N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 8.0 ppb (8) 0.4 ppb (5) N/A N/A 16.0
 
Oct. 10, 2021, 6 a.m. N/A N/A N/A 12.0 ppb (12) N/A 2.0 ppb (3) 15.0 ppb (14) 0.4 ppb (5) 19.0 μg/m3 (18) N/A 18.0
 
Oct. 10, 2021, 5 a.m. N/A N/A N/A 11.0 ppb (11) N/A 2.0 ppb (3) 19.0 ppb (18) 0.4 ppb (5) 18.0 μg/m3 (17) N/A 18.0
 
Oct. 10, 2021, 4 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 21.0 ppb (20) 0.5 ppb (6) 22.0 μg/m3 (21) N/A 21.0
 
Oct. 10, 2021, 3 a.m. N/A N/A N/A 17.0 ppb (17) N/A 2.0 ppb (3) 27.0 ppb (25) 0.5 ppb (6) 27.0 μg/m3 (25) N/A 25.0