ID: 2555

AQSQID: 80011G013

Site Name: Estaci¢N Dif

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

Updated: July 25, 2021, 4:53 a.m.

Location: Salamanca (Irapuato), MX

Reporting: True, Located: True

Current AQI: 64.0

Salamanca (Irapuato) MX, MX: 20.558153, -101.20485

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 34.0 ppb (32) 0.43 ppb (5) 48.0 μg/m3 (45) 18.2 μg/m3 (64) 64.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 43.0 ppb (40) 0.29 ppb (4) 53.0 μg/m3 (50) 19.6 μg/m3 (67) 67.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 59.0 ppb (65) 0.16 ppb (3) 48.0 μg/m3 (45) 19.0 μg/m3 (66) 66.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 62.0 ppb (74) 0.17 ppb (3) 31.0 μg/m3 (29) 21.5 μg/m3 (71) 74.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 57.0 ppb (58) N/A 26.0 μg/m3 (25) 32.2 μg/m3 (94) 94.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 53.0 ppb (50) 0.19 ppb (3) 59.0 μg/m3 (53) 34.3 μg/m3 (98) 98.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 50.0 ppb (47) 0.17 ppb (3) 37.0 μg/m3 (35) 28.9 μg/m3 (87) 87.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 53.0 ppb (50) 0.24 ppb (3) 37.0 μg/m3 (35) 26.2 μg/m3 (81) 81.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 54.0 ppb (50) 0.22 ppb (3) 36.0 μg/m3 (34) 23.6 μg/m3 (76) 76.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 49.0 ppb (46) 0.3 ppb (4) 49.0 μg/m3 (46) 50.6 μg/m3 (139) 139.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 40.0 ppb (38) 0.39 ppb (5) 91.0 μg/m3 (69) 73.1 μg/m3 (161) 161.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 37.0 ppb (35) 0.47 ppb (6) 81.0 μg/m3 (64) 28.4 μg/m3 (86) 86.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 28.0 ppb (26) 0.44 ppb (5) 29.0 μg/m3 (27) 24.8 μg/m3 (78) 78.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 15.0 ppb (14) 0.62 ppb (7) 28.0 μg/m3 (26) 28.9 μg/m3 (87) 87.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 18.0 ppb (17) 0.53 ppb (6) 22.0 μg/m3 (21) 18.5 μg/m3 (65) 65.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 31.0 ppb (29) 0.19 ppb (3) 15.0 μg/m3 (14) 18.2 μg/m3 (64) 64.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 39.0 ppb (37) 0.14 ppb (2) 12.0 μg/m3 (12) 13.0 μg/m3 (53) 53.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 44.0 ppb (41) N/A 14.0 μg/m3 (13) 13.1 μg/m3 (54) 54.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 45.0 ppb (42) N/A 7.0 μg/m3 (7) 12.2 μg/m3 (52) 52.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 47.0 ppb (44) N/A 25.0 μg/m3 (24) 17.8 μg/m3 (63) 63.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 36.0 ppb (34) 0.14 ppb (2) 26.0 μg/m3 (25) 18.0 μg/m3 (64) 64.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 40.0 ppb (38) N/A 23.0 μg/m3 (22) 17.8 μg/m3 (63) 63.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 40.0 ppb (38) N/A 27.0 μg/m3 (25) 11.4 μg/m3 (48) 48.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 40.0 ppb (38) 0.26 ppb (4) 44.0 μg/m3 (41) 10.0 μg/m3 (42) 42.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A 18.0 ppb (26) 33.0 ppb (31) 0.48 ppb (6) 107.0 μg/m3 (77) 18.1 μg/m3 (64) 77.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A 26.0 ppb (38) 25.0 ppb (24) 0.74 ppb (8) 98.0 μg/m3 (73) 12.8 μg/m3 (53) 73.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (35) 0.41 ppb (5) 50.0 μg/m3 (47) 13.8 μg/m3 (55) 55.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 47.0 ppb (44) 0.25 ppb (3) 50.0 μg/m3 (47) 19.5 μg/m3 (67) 67.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 45.0 ppb (42) 0.24 ppb (3) 43.0 μg/m3 (40) 27.2 μg/m3 (83) 83.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 47.0 ppb (44) 0.2 ppb (3) 26.0 μg/m3 (25) 20.0 μg/m3 (68) 68.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 49.0 ppb (46) 0.26 ppb (4) 31.0 μg/m3 (29) 19.3 μg/m3 (67) 67.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 49.0 ppb (46) 0.27 ppb (4) 38.0 μg/m3 (36) 21.1 μg/m3 (70) 70.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 45.0 ppb (42) 0.25 ppb (3) 39.0 μg/m3 (37) 21.9 μg/m3 (72) 72.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 35.0 ppb (33) 0.35 ppb (4) 36.0 μg/m3 (34) 20.5 μg/m3 (69) 69.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 31.0 ppb (29) 0.35 ppb (4) 30.0 μg/m3 (28) 24.3 μg/m3 (77) 77.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 26.0 ppb (25) N/A 36.0 μg/m3 (34) 23.2 μg/m3 (75) 75.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 15.0 ppb (14) N/A 36.0 μg/m3 (34) 65.7 μg/m3 (157) 157.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 6.0 ppb (6) N/A 43.0 μg/m3 (40) 29.8 μg/m3 (89) 89.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 4.0 ppb (4) N/A 36.0 μg/m3 (34) 19.0 μg/m3 (66) 66.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 7.0 ppb (7) N/A 24.0 μg/m3 (23) 13.5 μg/m3 (54) 54.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 17.0 ppb (16) N/A 20.0 μg/m3 (19) 11.5 μg/m3 (48) 48.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 19.0 ppb (18) N/A 21.0 μg/m3 (20) 26.0 μg/m3 (81) 81.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 18.0 ppb (17) N/A 30.0 μg/m3 (28) 19.3 μg/m3 (67) 67.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 21.0 ppb (20) N/A 32.0 μg/m3 (30) 27.8 μg/m3 (85) 85.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 24.0 ppb (23) N/A 13.0 μg/m3 (13) 5.2 μg/m3 (22) 23.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 30.0 ppb (28) N/A 9.0 μg/m3 (9) 15.4 μg/m3 (58) 58.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 38.0 ppb (36) N/A 13.0 μg/m3 (13) 13.6 μg/m3 (55) 55.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 37.0 ppb (35) N/A 12.0 μg/m3 (12) 16.1 μg/m3 (60) 60.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 39.0 ppb (37) N/A 11.0 μg/m3 (11) 12.7 μg/m3 (53) 53.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 43.0 ppb (40) N/A 87.0 μg/m3 (67) 10.3 μg/m3 (43) 67.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 53.0 ppb (50) N/A 35.0 μg/m3 (33) 10.4 μg/m3 (44) 50.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A 3.0 ppb (5) 54.0 ppb (50) N/A 72.0 μg/m3 (60) 21.9 μg/m3 (72) 72.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 53.0 ppb (50) N/A 15.0 μg/m3 (14) 18.1 μg/m3 (64) 64.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 53.0 ppb (50) N/A 12.0 μg/m3 (12) 17.3 μg/m3 (62) 62.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (45) N/A 12.0 μg/m3 (12) 19.8 μg/m3 (68) 68.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A 17.0 ppb (25) 46.0 ppb (43) N/A 11.0 μg/m3 (11) 16.8 μg/m3 (61) 61.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 28.0 ppb (26) N/A 36.0 μg/m3 (34) 15.8 μg/m3 (59) 59.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 26.0 ppb (25) N/A 23.0 μg/m3 (22) 19.2 μg/m3 (66) 66.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 24.0 ppb (23) N/A 28.0 μg/m3 (26) 27.2 μg/m3 (83) 83.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 12.0 ppb (12) N/A 37.0 μg/m3 (35) 24.6 μg/m3 (78) 78.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 7.0 ppb (7) N/A 46.0 μg/m3 (43) 36.9 μg/m3 (105) 105.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 4.0 ppb (4) N/A 59.0 μg/m3 (53) 34.8 μg/m3 (99) 99.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 3.0 ppb (3) N/A 40.0 μg/m3 (38) 17.7 μg/m3 (63) 63.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A 3.0 ppb (5) 5.0 ppb (5) N/A 21.0 μg/m3 (20) 18.1 μg/m3 (64) 64.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 11.0 ppb (11) N/A 19.0 μg/m3 (18) 16.6 μg/m3 (61) 61.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 9.0 ppb (9) N/A 27.0 μg/m3 (25) 29.3 μg/m3 (88) 88.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 6.0 ppb (6) N/A 34.0 μg/m3 (32) 24.5 μg/m3 (78) 78.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 6.0 ppb (6) N/A 31.0 μg/m3 (29) 19.1 μg/m3 (66) 66.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 10.0 ppb (10) N/A 33.0 μg/m3 (31) 26.5 μg/m3 (82) 82.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A 27.0 ppb (39) 3.0 ppb (3) N/A 43.0 μg/m3 (40) 31.3 μg/m3 (92) 92.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 11.0 ppb (11) N/A 37.0 μg/m3 (35) 29.4 μg/m3 (88) 88.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 18.0 ppb (17) N/A 34.0 μg/m3 (32) 24.2 μg/m3 (77) 77.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 28.0 ppb (26) N/A 28.0 μg/m3 (26) 24.0 μg/m3 (77) 77.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 29.0 ppb (27) N/A 30.0 μg/m3 (28) 13.9 μg/m3 (55) 55.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 47.0 ppb (44) N/A 88.0 μg/m3 (68) 27.9 μg/m3 (85) 85.0
 
July 21, 2021, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 60.0 ppb (68) N/A 36.0 μg/m3 (34) 32.9 μg/m3 (95) 95.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 57.0 ppb (58) N/A 30.0 μg/m3 (28) 26.8 μg/m3 (82) 82.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 55.0 ppb (51) N/A 27.0 μg/m3 (25) 17.9 μg/m3 (64) 64.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 53.0 ppb (50) N/A 21.0 μg/m3 (20) 20.5 μg/m3 (69) 69.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 50.0 ppb (47) N/A 120.0 μg/m3 (84) 27.0 μg/m3 (83) 84.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 43.0 ppb (40) N/A 72.0 μg/m3 (60) 28.6 μg/m3 (86) 86.0
 
July 21, 2021, 5 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 30.0 ppb (28) N/A 30.0 μg/m3 (28) 21.4 μg/m3 (71) 71.0
 
July 21, 2021, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 24.0 ppb (23) N/A 28.0 μg/m3 (26) 1.9 μg/m3 (8) 26.0
 
July 21, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 19.0 ppb (18) N/A 30.0 μg/m3 (28) 17.5 μg/m3 (63) 63.0
 
July 21, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 11.0 ppb (11) N/A 36.0 μg/m3 (34) 13.9 μg/m3 (55) 55.0
 
July 21, 2021, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 11.0 ppb (11) N/A 27.0 μg/m3 (25) 16.5 μg/m3 (61) 61.0
 
July 21, 2021, noon N/A N/A N/A N/A N/A 3.0 ppb (5) 14.0 ppb (13) N/A 21.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
July 21, 2021, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 15.0 ppb (14) N/A 22.0 μg/m3 (21) 20.8 μg/m3 (70) 70.0
 
July 21, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 16.0 ppb (15) N/A 16.0 μg/m3 (15) 19.4 μg/m3 (67) 67.0
 
July 21, 2021, 9 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 16.0 ppb (15) N/A 22.0 μg/m3 (21) 11.6 μg/m3 (49) 49.0
 
July 21, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 19.0 ppb (18) N/A 21.0 μg/m3 (20) 8.6 μg/m3 (36) 36.0
 
July 21, 2021, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 19.0 ppb (18) N/A 21.0 μg/m3 (20) 16.9 μg/m3 (62) 62.0
 
July 21, 2021, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 21.0 ppb (20) N/A 26.0 μg/m3 (25) 18.1 μg/m3 (64) 64.0
 
July 21, 2021, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 25.0 ppb (24) N/A 41.0 μg/m3 (38) 7.7 μg/m3 (33) 38.0
 
July 21, 2021, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 28.0 ppb (26) N/A 35.0 μg/m3 (33) 21.8 μg/m3 (72) 72.0
 
July 21, 2021, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 42.0 ppb (39) N/A 42.0 μg/m3 (39) 19.2 μg/m3 (66) 66.0
 
July 21, 2021, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 50.0 ppb (47) N/A 88.0 μg/m3 (68) 15.7 μg/m3 (59) 68.0
 
July 21, 2021, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 55.0 ppb (51) N/A 48.0 μg/m3 (45) 15.5 μg/m3 (59) 59.0
 
July 21, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 50.0 ppb (47) N/A 19.0 μg/m3 (18) 24.9 μg/m3 (78) 78.0
 
July 20, 2021, 11 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 55.0 ppb (51) N/A 20.0 μg/m3 (19) 24.6 μg/m3 (78) 78.0
 
July 20, 2021, 10 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 56.0 ppb (55) N/A 18.0 μg/m3 (17) 26.6 μg/m3 (82) 82.0
 
July 20, 2021, 9 p.m. N/A N/A N/A N/A N/A 21.0 ppb (30) 59.0 ppb (65) N/A 74.0 μg/m3 (61) 24.9 μg/m3 (78) 78.0
 
July 20, 2021, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 56.0 ppb (55) N/A 96.0 μg/m3 (72) 24.1 μg/m3 (77) 77.0
 
July 20, 2021, 7 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 54.0 ppb (50) N/A 36.0 μg/m3 (34) 26.8 μg/m3 (82) 82.0
 
July 20, 2021, 6 p.m. N/A N/A N/A N/A N/A 19.0 ppb (28) 47.0 ppb (44) N/A 34.0 μg/m3 (32) 20.8 μg/m3 (70) 70.0
 
July 20, 2021, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 35.0 ppb (33) N/A 23.0 μg/m3 (22) 21.8 μg/m3 (72) 72.0
 
July 20, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (23) N/A 36.0 μg/m3 (34) 22.2 μg/m3 (73) 73.0
 
July 20, 2021, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (14) N/A 42.0 μg/m3 (39) 33.8 μg/m3 (97) 97.0
 
July 20, 2021, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 10.0 ppb (10) N/A 48.0 μg/m3 (45) 22.9 μg/m3 (74) 74.0
 
July 20, 2021, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 6.0 ppb (6) N/A 36.0 μg/m3 (34) 12.8 μg/m3 (53) 53.0
 
July 20, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 4.0 ppb (4) N/A 27.0 μg/m3 (25) 30.3 μg/m3 (90) 90.0
 
July 20, 2021, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 6.0 ppb (6) N/A 35.0 μg/m3 (33) 13.6 μg/m3 (55) 55.0
 
July 20, 2021, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 9.0 ppb (9) N/A 25.0 μg/m3 (24) 17.8 μg/m3 (63) 63.0
 
July 20, 2021, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 6.0 ppb (6) N/A 16.0 μg/m3 (15) 23.7 μg/m3 (76) 76.0
 
July 20, 2021, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 25.0 ppb (24) N/A 19.0 μg/m3 (18) 23.1 μg/m3 (75) 75.0
 
July 20, 2021, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 50.0 ppb (47) N/A 28.0 μg/m3 (26) 10.1 μg/m3 (43) 47.0
 
July 20, 2021, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 15.0 ppb (14) N/A 21.0 μg/m3 (20) 13.3 μg/m3 (54) 54.0
 
July 20, 2021, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 23.0 ppb (22) N/A 15.0 μg/m3 (14) 22.0 μg/m3 (72) 72.0
 
July 20, 2021, 4 a.m. N/A N/A N/A N/A N/A 17.0 ppb (25) 25.0 ppb (24) N/A 16.0 μg/m3 (15) 17.1 μg/m3 (62) 62.0
 
July 20, 2021, 3 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 35.0 ppb (33) N/A 83.0 μg/m3 (65) 8.1 μg/m3 (34) 65.0
 
July 20, 2021, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 51.0 ppb (48) N/A 129.0 μg/m3 (88) 10.9 μg/m3 (46) 88.0
 
July 20, 2021, 1 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 53.0 ppb (50) N/A 35.0 μg/m3 (33) 11.9 μg/m3 (50) 50.0
 
July 20, 2021, midnight N/A N/A N/A N/A N/A 9.0 ppb (13) 56.0 ppb (55) N/A 14.0 μg/m3 (13) 19.2 μg/m3 (66) 66.0
 
July 19, 2021, 11 p.m. N/A N/A N/A N/A N/A 18.0 ppb (26) 50.0 ppb (47) N/A 24.0 μg/m3 (23) 22.5 μg/m3 (73) 73.0
 
July 19, 2021, 10 p.m. N/A N/A N/A N/A N/A 43.0 ppb (60) 54.0 ppb (50) N/A 7.0 μg/m3 (7) 23.3 μg/m3 (75) 75.0
 
July 19, 2021, 9 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) 54.0 ppb (50) N/A 11.0 μg/m3 (11) 26.1 μg/m3 (81) 81.0
 
July 19, 2021, 8 p.m. N/A N/A N/A N/A N/A 36.0 ppb (51) 59.0 ppb (65) N/A 26.0 μg/m3 (25) 12.4 μg/m3 (52) 65.0
 
July 19, 2021, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (45) N/A 91.0 μg/m3 (69) 8.2 μg/m3 (35) 69.0
 
July 19, 2021, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 39.0 ppb (37) N/A N/A 17.1 μg/m3 (62) 62.0
 
July 19, 2021, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 31.0 ppb (29) N/A 67.0 μg/m3 (57) 5.1 μg/m3 (22) 57.0
 
July 19, 2021, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 27.0 ppb (25) N/A 27.0 μg/m3 (25) 22.0 μg/m3 (72) 72.0
 
July 19, 2021, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 18.0 ppb (17) N/A 50.0 μg/m3 (47) 21.6 μg/m3 (71) 71.0
 
July 19, 2021, 2 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 7.0 ppb (7) N/A 55.0 μg/m3 (51) 29.8 μg/m3 (89) 89.0
 
July 19, 2021, 1 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 4.0 ppb (4) N/A 52.0 μg/m3 (49) 12.0 μg/m3 (50) 50.0
 
July 19, 2021, noon N/A N/A N/A N/A N/A 8.0 ppb (12) 8.0 ppb (8) N/A 28.0 μg/m3 (26) 11.1 μg/m3 (47) 47.0
 
July 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 12.0 ppb (12) N/A 20.0 μg/m3 (19) 9.5 μg/m3 (40) 40.0
 
July 19, 2021, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 17.0 ppb (16) N/A 22.0 μg/m3 (21) 9.6 μg/m3 (40) 40.0
 
July 19, 2021, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 23.0 ppb (22) N/A 20.0 μg/m3 (19) 15.3 μg/m3 (58) 58.0
 
July 19, 2021, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 22.0 ppb (21) N/A 21.0 μg/m3 (20) 6.9 μg/m3 (29) 29.0
 
July 19, 2021, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 23.0 ppb (22) N/A 32.0 μg/m3 (30) 21.3 μg/m3 (71) 71.0
 
July 19, 2021, 6 a.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 19.0 ppb (18) N/A 43.0 μg/m3 (40) 18.7 μg/m3 (65) 65.0
 
July 19, 2021, 5 a.m. N/A N/A N/A N/A N/A 18.0 ppb (26) 12.0 ppb (12) N/A 45.0 μg/m3 (42) 18.2 μg/m3 (64) 64.0
 
July 19, 2021, 4 a.m. N/A N/A N/A N/A N/A 28.0 ppb (40) 15.0 ppb (14) N/A 49.0 μg/m3 (46) 17.3 μg/m3 (62) 62.0
 
July 19, 2021, 3 a.m. N/A N/A N/A N/A N/A 29.0 ppb (42) 16.0 ppb (15) N/A 48.0 μg/m3 (45) 21.6 μg/m3 (71) 71.0
 
July 19, 2021, 2 a.m. N/A N/A N/A N/A N/A 18.0 ppb (26) 22.0 ppb (21) N/A 69.0 μg/m3 (58) 17.1 μg/m3 (62) 62.0
 
July 19, 2021, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 34.0 ppb (32) N/A 78.0 μg/m3 (63) 11.5 μg/m3 (48) 63.0
 
July 19, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 42.0 ppb (39) N/A 22.0 μg/m3 (21) 12.1 μg/m3 (51) 51.0
 
July 18, 2021, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 46.0 ppb (43) N/A 18.0 μg/m3 (17) 11.5 μg/m3 (48) 48.0
 
July 18, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 46.0 ppb (43) N/A 23.0 μg/m3 (22) 18.9 μg/m3 (66) 66.0
 
July 18, 2021, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 49.0 ppb (46) N/A 26.0 μg/m3 (25) 18.3 μg/m3 (65) 65.0
 
July 18, 2021, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 45.0 ppb (42) N/A 29.0 μg/m3 (27) 14.4 μg/m3 (56) 56.0
 
July 18, 2021, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 38.0 ppb (36) N/A 35.0 μg/m3 (33) 19.1 μg/m3 (66) 66.0
 
July 18, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 34.0 ppb (32) N/A 42.0 μg/m3 (39) 25.8 μg/m3 (80) 80.0
 
July 18, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 29.0 ppb (27) N/A 38.0 μg/m3 (36) 29.0 μg/m3 (87) 87.0
 
July 18, 2021, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 23.0 ppb (22) N/A 42.0 μg/m3 (39) 21.5 μg/m3 (71) 71.0
 
July 18, 2021, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 16.0 ppb (15) N/A 39.0 μg/m3 (37) 21.6 μg/m3 (71) 71.0
 
July 18, 2021, 2 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 11.0 ppb (11) N/A 38.0 μg/m3 (36) 22.6 μg/m3 (74) 74.0
 
July 18, 2021, 1 p.m. N/A N/A N/A N/A N/A 18.0 ppb (26) 6.0 ppb (6) N/A 47.0 μg/m3 (44) 23.3 μg/m3 (75) 75.0
 
July 18, 2021, noon N/A N/A N/A N/A N/A 9.0 ppb (13) 7.0 ppb (7) N/A 36.0 μg/m3 (34) 17.7 μg/m3 (63) 63.0
 
July 18, 2021, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 9.0 ppb (9) N/A 35.0 μg/m3 (33) 21.8 μg/m3 (72) 72.0
 
July 18, 2021, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 9.0 ppb (9) N/A 32.0 μg/m3 (30) 6.6 μg/m3 (28) 30.0
 
July 18, 2021, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 10.0 ppb (10) N/A 36.0 μg/m3 (34) 18.5 μg/m3 (65) 65.0
 
July 18, 2021, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 10.0 ppb (10) N/A 33.0 μg/m3 (31) 30.8 μg/m3 (91) 91.0
 
July 18, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 8.0 ppb (8) N/A 42.0 μg/m3 (39) 16.6 μg/m3 (61) 61.0
 
July 18, 2021, 6 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 5.0 ppb (5) N/A 47.0 μg/m3 (44) 21.8 μg/m3 (72) 72.0
 
July 18, 2021, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 14.0 ppb (13) N/A 39.0 μg/m3 (37) 20.1 μg/m3 (68) 68.0
 
July 18, 2021, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 10.0 ppb (10) N/A 52.0 μg/m3 (49) 24.8 μg/m3 (78) 78.0
 
July 18, 2021, 3 a.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 14.0 ppb (13) N/A 54.0 μg/m3 (50) 21.6 μg/m3 (71) 71.0