ID: 2557

AQSQID: 80011G003

Site Name: Estaci¢N San Juanico

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

Updated: May 28, 2022, 12:42 p.m.

Location: Celaya (Las Gorditas De Doña Chango), MX

Reporting: True, Located: True

Current AQI: 84.0

Celaya (Las Gorditas De Doña Chango) MX, MX: 20.537683, -100.83994

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 28, 2022, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 25.0 ppb (24) 0.29 ppb (4) 52.0 μg/m3 (49) 27.4 μg/m3 (84) 84.0
 
May 28, 2022, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 27.0 ppb (25) 0.29 ppb (4) 46.0 μg/m3 (43) 23.4 μg/m3 (75) 75.0
 
May 28, 2022, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 26.0 ppb (25) 0.28 ppb (4) 45.0 μg/m3 (42) 23.7 μg/m3 (76) 76.0
 
May 28, 2022, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (28) 0.25 ppb (3) 55.0 μg/m3 (51) 24.2 μg/m3 (77) 77.0
 
May 28, 2022, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (28) 0.25 ppb (3) 55.0 μg/m3 (51) 24.2 μg/m3 (77) 77.0
 
May 28, 2022, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (28) 0.27 ppb (4) 38.0 μg/m3 (36) 20.0 μg/m3 (68) 68.0
 
May 28, 2022, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (28) 0.27 ppb (4) 38.0 μg/m3 (36) 20.0 μg/m3 (68) 68.0
 
May 28, 2022, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (35) 0.25 ppb (3) 38.0 μg/m3 (36) 16.3 μg/m3 (60) 60.0
 
May 28, 2022, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (35) 0.25 ppb (3) 38.0 μg/m3 (36) 16.3 μg/m3 (60) 60.0
 
May 28, 2022, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (35) 0.29 ppb (4) 72.0 μg/m3 (60) 14.0 μg/m3 (55) 60.0
 
May 27, 2022, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 54.0 ppb (50) 0.24 ppb (3) 70.0 μg/m3 (59) 18.9 μg/m3 (66) 66.0
 
May 27, 2022, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 53.0 ppb (50) 0.23 ppb (3) 76.0 μg/m3 (62) 22.7 μg/m3 (74) 74.0
 
May 27, 2022, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 53.0 ppb (50) 0.23 ppb (3) 91.0 μg/m3 (69) 27.3 μg/m3 (83) 83.0
 
May 27, 2022, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 49.0 ppb (46) 0.28 ppb (4) 104.0 μg/m3 (76) 26.6 μg/m3 (82) 82.0
 
May 27, 2022, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 42.0 ppb (39) 0.33 ppb (4) 90.0 μg/m3 (69) 36.1 μg/m3 (103) 103.0
 
May 27, 2022, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 32.0 ppb (30) 0.4 ppb (5) 95.0 μg/m3 (71) 36.0 μg/m3 (103) 103.0
 
May 27, 2022, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 36.0 ppb (34) 0.25 ppb (3) 56.0 μg/m3 (52) 23.7 μg/m3 (76) 76.0
 
May 27, 2022, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 38.0 ppb (36) 0.26 ppb (4) 78.0 μg/m3 (63) 22.2 μg/m3 (73) 73.0
 
May 27, 2022, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 35.0 ppb (33) 0.28 ppb (4) 69.0 μg/m3 (58) 20.8 μg/m3 (70) 70.0
 
May 27, 2022, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 32.0 ppb (30) 0.3 ppb (4) 74.0 μg/m3 (61) 13.3 μg/m3 (54) 61.0
 
May 27, 2022, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 34.0 ppb (32) 0.3 ppb (4) 103.0 μg/m3 (75) 13.9 μg/m3 (55) 75.0
 
May 27, 2022, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (35) 0.28 ppb (4) 132.0 μg/m3 (90) 14.7 μg/m3 (57) 90.0
 
May 26, 2022, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 44.0 ppb (41) 0.27 ppb (4) 82.0 μg/m3 (65) 16.1 μg/m3 (60) 65.0
 
May 26, 2022, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 52.0 ppb (49) 0.24 ppb (3) 95.0 μg/m3 (71) 12.6 μg/m3 (53) 71.0
 
May 26, 2022, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 61.0 ppb (71) 0.22 ppb (3) 79.0 μg/m3 (63) 17.0 μg/m3 (62) 71.0
 
May 26, 2022, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 62.0 ppb (74) 0.24 ppb (3) 58.0 μg/m3 (53) 10.3 μg/m3 (43) 74.0
 
May 26, 2022, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 63.0 ppb (78) 0.2 ppb (3) 57.0 μg/m3 (52) 17.2 μg/m3 (62) 78.0
 
May 26, 2022, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 66.0 ppb (87) 0.24 ppb (3) 73.0 μg/m3 (60) 22.1 μg/m3 (73) 87.0
 
May 26, 2022, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 64.0 ppb (81) 0.31 ppb (4) 81.0 μg/m3 (64) 26.8 μg/m3 (82) 82.0
 
May 26, 2022, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 55.0 ppb (51) 0.31 ppb (4) 90.0 μg/m3 (69) 29.7 μg/m3 (89) 89.0
 
May 26, 2022, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 46.0 ppb (43) 0.32 ppb (4) 99.0 μg/m3 (73) 33.8 μg/m3 (97) 97.0
 
May 26, 2022, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 35.0 ppb (33) 0.42 ppb (5) 95.0 μg/m3 (71) 32.0 μg/m3 (93) 93.0
 
May 26, 2022, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 42.0 ppb (39) 0.27 ppb (4) 113.0 μg/m3 (80) 28.3 μg/m3 (86) 86.0
 
May 26, 2022, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 39.0 ppb (37) 0.29 ppb (4) 121.0 μg/m3 (84) 30.4 μg/m3 (90) 90.0
 
May 26, 2022, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 42.0 ppb (39) 0.96 ppb (12) 67.0 μg/m3 (57) 17.9 μg/m3 (64) 64.0
 
May 26, 2022, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 67.0 ppb (91) 0.49 ppb (6) 74.0 μg/m3 (61) 23.6 μg/m3 (76) 91.0
 
May 25, 2022, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 69.0 ppb (97) 0.45 ppb (6) 74.0 μg/m3 (61) 24.0 μg/m3 (77) 97.0
 
May 25, 2022, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 70.0 ppb (100) 0.33 ppb (4) 64.0 μg/m3 (56) 31.5 μg/m3 (92) 100.0
 
May 25, 2022, 8 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 70.0 ppb (100) 0.46 ppb (6) 89.0 μg/m3 (68) 34.7 μg/m3 (99) 100.0
 
May 25, 2022, 7 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 67.0 ppb (91) 0.41 ppb (5) 93.0 μg/m3 (70) 43.4 μg/m3 (121) 121.0
 
May 25, 2022, 6 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 63.0 ppb (78) 0.44 ppb (5) 77.0 μg/m3 (62) 24.5 μg/m3 (78) 78.0
 
May 25, 2022, 6 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 63.0 ppb (78) 0.44 ppb (5) 77.0 μg/m3 (62) 24.5 μg/m3 (78) 78.0
 
May 25, 2022, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 53.0 ppb (50) 0.39 ppb (5) 96.0 μg/m3 (72) 31.1 μg/m3 (91) 91.0
 
May 25, 2022, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 53.0 ppb (50) 0.39 ppb (5) 96.0 μg/m3 (72) 31.1 μg/m3 (91) 91.0
 
May 25, 2022, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 50.0 ppb (47) 0.42 ppb (5) 120.0 μg/m3 (84) 39.7 μg/m3 (112) 112.0
 
May 25, 2022, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 44.0 ppb (41) 0.55 ppb (7) 132.0 μg/m3 (90) 44.3 μg/m3 (123) 123.0
 
May 25, 2022, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 27.0 ppb (25) 0.24 ppb (3) 58.0 μg/m3 (53) 19.7 μg/m3 (67) 67.0
 
May 25, 2022, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 27.0 ppb (25) 0.24 ppb (3) 58.0 μg/m3 (53) 19.7 μg/m3 (67) 67.0
 
May 25, 2022, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 28.0 ppb (26) 0.28 ppb (4) 57.0 μg/m3 (52) 25.7 μg/m3 (80) 80.0
 
May 25, 2022, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 40.0 ppb (38) 0.3 ppb (4) 63.0 μg/m3 (55) 21.6 μg/m3 (71) 71.0
 
May 25, 2022, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 46.0 ppb (43) 0.44 ppb (5) 77.0 μg/m3 (62) 24.3 μg/m3 (77) 77.0
 
May 25, 2022, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 52.0 ppb (49) 0.5 ppb (6) 88.0 μg/m3 (68) 30.9 μg/m3 (91) 91.0
 
May 24, 2022, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 68.0 ppb (94) 0.35 ppb (4) 143.0 μg/m3 (95) 41.5 μg/m3 (116) 116.0
 
May 24, 2022, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 65.0 ppb (84) 0.39 ppb (5) 99.0 μg/m3 (73) 31.1 μg/m3 (91) 91.0
 
May 24, 2022, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 65.0 ppb (84) 0.36 ppb (5) 104.0 μg/m3 (76) 27.9 μg/m3 (85) 85.0
 
May 24, 2022, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 65.0 ppb (84) 0.41 ppb (5) 97.0 μg/m3 (72) 26.6 μg/m3 (82) 84.0
 
May 24, 2022, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 61.0 ppb (71) 0.42 ppb (5) 84.0 μg/m3 (66) 28.7 μg/m3 (86) 86.0
 
May 24, 2022, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 57.0 ppb (58) 0.45 ppb (6) 95.0 μg/m3 (71) 26.9 μg/m3 (83) 83.0
 
May 24, 2022, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 44.0 ppb (41) 0.52 ppb (6) 115.0 μg/m3 (81) 25.6 μg/m3 (80) 81.0
 
May 24, 2022, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 26.0 ppb (25) 0.68 ppb (8) 107.0 μg/m3 (77) 27.5 μg/m3 (84) 84.0
 
May 24, 2022, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 14.0 ppb (13) 0.7 ppb (8) 103.0 μg/m3 (75) 29.3 μg/m3 (88) 88.0
 
May 24, 2022, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 6.0 ppb (6) 0.67 ppb (8) 54.0 μg/m3 (50) 27.2 μg/m3 (83) 83.0
 
May 24, 2022, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 12.0 ppb (12) 0.31 ppb (4) 45.0 μg/m3 (42) 20.7 μg/m3 (70) 70.0
 
May 24, 2022, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 12.0 ppb (12) 0.29 ppb (4) 37.0 μg/m3 (35) 15.6 μg/m3 (59) 59.0
 
May 24, 2022, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 29.0 ppb (27) 0.22 ppb (3) 32.0 μg/m3 (30) 13.9 μg/m3 (55) 55.0
 
May 24, 2022, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 34.0 ppb (32) 0.21 ppb (3) 34.0 μg/m3 (32) 14.6 μg/m3 (57) 57.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 38.0 ppb (36) 0.2 ppb (3) 58.0 μg/m3 (53) 18.3 μg/m3 (65) 65.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 38.0 ppb (36) 0.22 ppb (3) 82.0 μg/m3 (65) 23.1 μg/m3 (75) 75.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 42.0 ppb (39) 0.3 ppb (4) 55.0 μg/m3 (51) 23.1 μg/m3 (75) 75.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 45.0 ppb (42) 0.36 ppb (5) 109.0 μg/m3 (78) 21.7 μg/m3 (72) 78.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 45.0 ppb (42) 0.36 ppb (5) 109.0 μg/m3 (78) 21.7 μg/m3 (72) 78.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 52.0 ppb (49) 0.36 ppb (5) 173.0 μg/m3 (110) 25.9 μg/m3 (81) 110.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 52.0 ppb (49) 0.36 ppb (5) 94.0 μg/m3 (71) 26.1 μg/m3 (81) 81.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 52.0 ppb (49) 0.36 ppb (5) 94.0 μg/m3 (71) 26.1 μg/m3 (81) 81.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 62.0 ppb (74) 0.46 ppb (6) 100.0 μg/m3 (74) 33.9 μg/m3 (97) 97.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 62.0 ppb (74) 0.46 ppb (6) 239.0 μg/m3 (143) 33.9 μg/m3 (97) 143.0
 
May 23, 2022, 7 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 71.0 ppb (101) 0.4 ppb (5) 91.0 μg/m3 (69) 37.8 μg/m3 (107) 107.0
 
May 23, 2022, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 66.0 ppb (87) 0.47 ppb (6) 91.0 μg/m3 (69) 32.7 μg/m3 (95) 95.0
 
May 23, 2022, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 34.0 ppb (32) 0.41 ppb (5) 100.0 μg/m3 (74) 40.1 μg/m3 (113) 113.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 36.0 ppb (34) 0.33 ppb (4) 65.0 μg/m3 (56) 38.0 μg/m3 (108) 108.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 36.0 ppb (34) 0.33 ppb (4) 65.0 μg/m3 (56) 38.0 μg/m3 (108) 108.0
 
May 23, 2022, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 37.0 ppb (35) 0.31 ppb (4) 58.0 μg/m3 (53) 38.1 μg/m3 (108) 108.0
 
May 23, 2022, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 44.0 ppb (41) 0.3 ppb (4) 59.0 μg/m3 (53) 19.2 μg/m3 (66) 66.0
 
May 23, 2022, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 43.0 ppb (40) 0.28 ppb (4) 65.0 μg/m3 (56) 16.5 μg/m3 (61) 61.0
 
May 23, 2022, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 44.0 ppb (41) 0.23 ppb (3) 184.0 μg/m3 (116) 23.3 μg/m3 (75) 116.0
 
May 23, 2022, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 47.0 ppb (44) 0.22 ppb (3) 314.0 μg/m3 (181) 30.8 μg/m3 (91) 181.0
 
May 22, 2022, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 54.0 ppb (50) 0.25 ppb (3) 83.0 μg/m3 (65) 29.0 μg/m3 (87) 87.0
 
May 22, 2022, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 74.0 ppb (103) 0.27 ppb (4) 73.0 μg/m3 (60) 26.0 μg/m3 (81) 103.0
 
May 22, 2022, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 77.0 ppb (105) 0.29 ppb (4) 72.0 μg/m3 (60) 24.4 μg/m3 (77) 105.0
 
May 22, 2022, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 77.0 ppb (105) 0.31 ppb (4) 86.0 μg/m3 (67) 35.7 μg/m3 (102) 105.0
 
May 22, 2022, 6 p.m. N/A N/A N/A N/A N/A 15.0 ppb (22) 76.0 ppb (104) 0.4 ppb (5) 91.0 μg/m3 (69) 32.6 μg/m3 (95) 104.0
 
May 22, 2022, 5 p.m. N/A N/A N/A N/A N/A 19.0 ppb (28) 74.0 ppb (103) 0.43 ppb (5) 89.0 μg/m3 (68) 30.6 μg/m3 (90) 103.0
 
May 22, 2022, 4 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 61.0 ppb (71) 0.44 ppb (5) 106.0 μg/m3 (77) 39.8 μg/m3 (112) 112.0
 
May 22, 2022, 3 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 51.0 ppb (48) 0.49 ppb (6) 107.0 μg/m3 (77) 39.2 μg/m3 (111) 111.0
 
May 22, 2022, 2 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 39.0 ppb (37) 0.58 ppb (7) 141.0 μg/m3 (94) 53.2 μg/m3 (145) 145.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 24.0 ppb (23) 0.62 ppb (7) 120.0 μg/m3 (84) 48.4 μg/m3 (133) 133.0
 
May 22, 2022, noon N/A N/A N/A N/A N/A 8.0 ppb (12) 20.0 ppb (19) 0.55 ppb (7) 112.0 μg/m3 (80) 50.9 μg/m3 (139) 139.0
 
May 22, 2022, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 23.0 ppb (22) 0.47 ppb (6) 90.0 μg/m3 (69) 35.7 μg/m3 (102) 102.0
 
May 22, 2022, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 29.0 ppb (27) 0.36 ppb (5) 81.0 μg/m3 (64) 38.0 μg/m3 (108) 108.0
 
May 22, 2022, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 38.0 ppb (36) 0.31 ppb (4) 92.0 μg/m3 (70) 41.4 μg/m3 (116) 116.0
 
May 22, 2022, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 36.0 ppb (34) 0.39 ppb (5) 146.0 μg/m3 (97) 54.6 μg/m3 (149) 149.0
 
May 22, 2022, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 17.0 ppb (16) 0.7 ppb (8) 128.0 μg/m3 (88) 45.7 μg/m3 (127) 127.0
 
May 22, 2022, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 38.0 ppb (36) 0.52 ppb (6) 135.0 μg/m3 (91) 45.2 μg/m3 (125) 125.0
 
May 22, 2022, 3 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 30.0 ppb (28) 0.84 ppb (10) 177.0 μg/m3 (112) 41.6 μg/m3 (117) 117.0
 
May 22, 2022, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 35.0 ppb (33) 0.85 ppb (10) 160.0 μg/m3 (104) 34.9 μg/m3 (99) 104.0
 
May 22, 2022, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 50.0 ppb (47) 0.75 ppb (10) 92.0 μg/m3 (70) 25.0 μg/m3 (79) 79.0
 
May 22, 2022, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 72.0 ppb (102) 0.35 ppb (4) 85.0 μg/m3 (66) 22.7 μg/m3 (74) 102.0
 
May 21, 2022, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 75.0 ppb (104) 0.33 ppb (4) 88.0 μg/m3 (68) 25.5 μg/m3 (80) 104.0
 
May 21, 2022, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 74.0 ppb (103) 0.32 ppb (4) 95.0 μg/m3 (71) 24.9 μg/m3 (78) 103.0
 
May 21, 2022, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 76.0 ppb (104) 0.3 ppb (4) 90.0 μg/m3 (69) 29.3 μg/m3 (88) 104.0
 
May 21, 2022, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 75.0 ppb (104) 0.3 ppb (4) 99.0 μg/m3 (73) 22.7 μg/m3 (74) 104.0
 
May 21, 2022, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 73.0 ppb (103) 0.38 ppb (5) 85.0 μg/m3 (66) 21.8 μg/m3 (72) 103.0
 
May 21, 2022, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 67.0 ppb (91) 0.3 ppb (4) 78.0 μg/m3 (63) 28.7 μg/m3 (86) 91.0
 
May 21, 2022, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 66.0 ppb (87) 0.33 ppb (4) 111.0 μg/m3 (79) 36.0 μg/m3 (103) 103.0
 
May 21, 2022, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 60.0 ppb (68) 0.39 ppb (5) 123.0 μg/m3 (85) 32.6 μg/m3 (95) 95.0
 
May 21, 2022, 3 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 47.0 ppb (44) 0.47 ppb (6) 132.0 μg/m3 (90) 38.2 μg/m3 (108) 108.0
 
May 21, 2022, 2 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 35.0 ppb (33) 0.54 ppb (6) 117.0 μg/m3 (82) 42.8 μg/m3 (119) 119.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 20.0 ppb (19) 0.57 ppb (7) 129.0 μg/m3 (88) 45.0 μg/m3 (125) 125.0
 
May 21, 2022, noon N/A N/A N/A N/A N/A 9.0 ppb (13) 10.0 ppb (10) 0.59 ppb (7) 90.0 μg/m3 (69) 34.5 μg/m3 (99) 99.0
 
May 21, 2022, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 28.0 ppb (26) 0.35 ppb (4) 82.0 μg/m3 (65) 28.7 μg/m3 (86) 86.0
 
May 21, 2022, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 37.0 ppb (35) 0.28 ppb (4) 80.0 μg/m3 (64) 33.7 μg/m3 (97) 97.0
 
May 21, 2022, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 39.0 ppb (37) 0.27 ppb (4) 97.0 μg/m3 (72) 39.5 μg/m3 (111) 111.0
 
May 21, 2022, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 48.0 ppb (45) 0.65 ppb (8) 128.0 μg/m3 (88) 41.8 μg/m3 (117) 117.0
 
May 21, 2022, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 55.0 ppb (51) 0.65 ppb (8) 141.0 μg/m3 (94) 45.7 μg/m3 (127) 127.0
 
May 21, 2022, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 58.0 ppb (61) 0.83 ppb (10) 110.0 μg/m3 (79) 31.0 μg/m3 (91) 91.0
 
May 21, 2022, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 53.0 ppb (50) 0.74 ppb (8) 71.0 μg/m3 (59) 21.6 μg/m3 (71) 71.0
 
May 21, 2022, midnight N/A N/A N/A N/A N/A 9.0 ppb (13) 59.0 ppb (65) 0.67 ppb (8) 79.0 μg/m3 (63) 21.3 μg/m3 (71) 71.0
 
May 20, 2022, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 68.0 ppb (94) 0.45 ppb (6) 77.0 μg/m3 (62) 21.1 μg/m3 (70) 94.0
 
May 20, 2022, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 69.0 ppb (97) 0.44 ppb (5) 90.0 μg/m3 (69) 28.5 μg/m3 (86) 97.0
 
May 20, 2022, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 69.0 ppb (97) 0.42 ppb (5) 79.0 μg/m3 (63) 20.9 μg/m3 (70) 97.0
 
May 20, 2022, 7 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 71.0 ppb (101) 0.41 ppb (5) 93.0 μg/m3 (70) 24.4 μg/m3 (77) 101.0
 
May 20, 2022, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 67.0 ppb (91) 0.43 ppb (5) 93.0 μg/m3 (70) 29.2 μg/m3 (87) 91.0
 
May 20, 2022, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 63.0 ppb (78) 0.41 ppb (5) 205.0 μg/m3 (126) 32.4 μg/m3 (94) 126.0
 
May 20, 2022, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 59.0 ppb (65) 0.43 ppb (5) 29.0 μg/m3 (27) N/A 65.0
 
May 20, 2022, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 49.0 ppb (46) 0.54 ppb (6) 29.0 μg/m3 (27) 65.6 μg/m3 (157) 157.0
 
May 20, 2022, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 31.0 ppb (29) 0.79 ppb (10) 267.0 μg/m3 (157) 65.6 μg/m3 (157) 157.0
 
May 20, 2022, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 12.0 ppb (12) 1.25 ppb (14) 135.0 μg/m3 (91) 54.4 μg/m3 (148) 148.0
 
May 20, 2022, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 14.0 ppb (13) 0.54 ppb (6) 96.0 μg/m3 (72) 45.8 μg/m3 (127) 127.0
 
May 20, 2022, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 20.0 ppb (19) 0.45 ppb (6) 79.0 μg/m3 (63) 44.1 μg/m3 (123) 123.0
 
May 20, 2022, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 40.0 ppb (38) 0.35 ppb (4) 83.0 μg/m3 (65) 41.1 μg/m3 (115) 115.0
 
May 20, 2022, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 49.0 ppb (46) 0.32 ppb (4) 92.0 μg/m3 (70) 35.2 μg/m3 (100) 100.0
 
May 20, 2022, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 34.0 ppb (32) 0.33 ppb (4) 74.0 μg/m3 (61) 30.8 μg/m3 (91) 91.0
 
May 20, 2022, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (16) 0.34 ppb (4) 76.0 μg/m3 (62) 27.8 μg/m3 (85) 85.0
 
May 20, 2022, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 26.0 ppb (25) 0.37 ppb (5) 64.0 μg/m3 (56) 22.3 μg/m3 (73) 73.0
 
May 20, 2022, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (28) 0.37 ppb (5) 42.0 μg/m3 (39) 17.2 μg/m3 (62) 62.0
 
May 20, 2022, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 27.0 ppb (25) 0.29 ppb (4) 53.0 μg/m3 (50) 8.3 μg/m3 (35) 50.0
 
May 20, 2022, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 25.0 ppb (24) 0.37 ppb (5) 52.0 μg/m3 (49) 8.1 μg/m3 (34) 49.0
 
May 20, 2022, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 34.0 ppb (32) 0.27 ppb (4) 64.0 μg/m3 (56) 8.4 μg/m3 (36) 56.0
 
May 20, 2022, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 54.0 ppb (50) 0.33 ppb (4) 132.0 μg/m3 (90) 15.1 μg/m3 (58) 90.0
 
May 19, 2022, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 47.0 ppb (44) 0.22 ppb (3) 60.0 μg/m3 (54) 16.4 μg/m3 (61) 61.0
 
May 19, 2022, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 47.0 ppb (44) 0.22 ppb (3) 60.0 μg/m3 (54) 16.4 μg/m3 (61) 61.0
 
May 19, 2022, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 68.0 ppb (94) 0.28 ppb (4) 61.0 μg/m3 (54) 19.8 μg/m3 (68) 94.0
 
May 19, 2022, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 68.0 ppb (94) 0.28 ppb (4) 62.0 μg/m3 (55) 16.1 μg/m3 (60) 94.0
 
May 19, 2022, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 65.0 ppb (84) 0.29 ppb (4) 65.0 μg/m3 (56) 14.6 μg/m3 (57) 84.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 65.0 ppb (84) 0.35 ppb (4) 59.0 μg/m3 (53) 13.3 μg/m3 (54) 84.0
 
May 19, 2022, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 58.0 ppb (61) 0.47 ppb (6) 96.0 μg/m3 (72) 29.3 μg/m3 (88) 88.0
 
May 19, 2022, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 41.0 ppb (38) 0.14 ppb (2) 46.0 μg/m3 (43) 21.4 μg/m3 (71) 71.0
 
May 19, 2022, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 40.0 ppb (38) 0.17 ppb (3) 75.0 μg/m3 (61) N/A 61.0
 
May 19, 2022, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 56.0 ppb (55) 0.15 ppb (2) 75.0 μg/m3 (61) 18.8 μg/m3 (66) 66.0
 
May 19, 2022, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 39.0 ppb (37) 0.22 ppb (3) 110.0 μg/m3 (79) 18.8 μg/m3 (66) 79.0
 
May 19, 2022, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 37.0 ppb (35) 0.33 ppb (4) 120.0 μg/m3 (84) 31.3 μg/m3 (92) 92.0
 
May 19, 2022, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 40.0 ppb (38) 0.73 ppb (8) 107.0 μg/m3 (77) 22.1 μg/m3 (73) 77.0
 
May 18, 2022, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 58.0 ppb (61) 0.31 ppb (4) 68.0 μg/m3 (58) 15.2 μg/m3 (58) 61.0
 
May 18, 2022, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 62.0 ppb (74) 0.34 ppb (4) 72.0 μg/m3 (60) 16.1 μg/m3 (60) 74.0
 
May 18, 2022, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 65.0 ppb (84) 0.26 ppb (4) 67.0 μg/m3 (57) 20.0 μg/m3 (68) 84.0
 
May 18, 2022, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 64.0 ppb (81) 0.22 ppb (3) 76.0 μg/m3 (62) 20.8 μg/m3 (70) 81.0
 
May 18, 2022, 7 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 62.0 ppb (74) 0.36 ppb (5) 100.0 μg/m3 (74) 24.9 μg/m3 (78) 78.0
 
May 18, 2022, 5 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 73.0 ppb (103) 0.31 ppb (4) 36.0 μg/m3 (34) 22.9 μg/m3 (74) 103.0