ID: 2557

AQSQID: 80011G003

Site Name: Estaci¢N San Juanico

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

Updated: May 13, 2021, 11:46 a.m.

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

Reporting: True, Located: True

Current AQI: 29.0

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 6, 2021, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 38.0 ppb (36) 2.49 ppb (29) 32.8 μg/m3 (31) 12.6 μg/m3 (53) 53.0
 
May 6, 2021, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 40.0 ppb (38) 2.55 ppb (29) 36.3 μg/m3 (34) 15.8 μg/m3 (59) 59.0
 
May 6, 2021, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 51.0 ppb (48) 2.44 ppb (28) 45.1 μg/m3 (42) 14.5 μg/m3 (57) 57.0
 
May 6, 2021, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 55.0 ppb (51) 2.45 ppb (29) 83.4 μg/m3 (66) 18.5 μg/m3 (65) 66.0
 
May 6, 2021, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 51.0 ppb (48) 2.54 ppb (29) N/A 29.8 μg/m3 (89) 89.0
 
May 6, 2021, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 62.0 ppb (74) 2.51 ppb (29) 128.6 μg/m3 (88) 21.9 μg/m3 (72) 88.0
 
May 5, 2021, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 67.0 ppb (91) 2.52 ppb (29) 147.2 μg/m3 (97) 27.0 μg/m3 (83) 97.0
 
May 5, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 86.0 ppb (109) 2.51 ppb (29) 93.9 μg/m3 (71) 28.2 μg/m3 (85) 109.0
 
May 5, 2021, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 92.0 ppb (113) 2.5 ppb (29) 96.2 μg/m3 (72) 30.6 μg/m3 (90) 113.0
 
May 5, 2021, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 93.0 ppb (113) 2.49 ppb (29) 112.8 μg/m3 (80) 24.5 μg/m3 (78) 113.0
 
May 5, 2021, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 89.0 ppb (111) 2.5 ppb (29) N/A N/A 111.0
 
May 5, 2021, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 81.0 ppb (107) 2.48 ppb (29) 34.1 μg/m3 (32) N/A 107.0
 
May 5, 2021, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 76.0 ppb (104) 2.47 ppb (29) 109.2 μg/m3 (78) 25.1 μg/m3 (79) 104.0
 
May 5, 2021, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 66.0 ppb (87) 2.48 ppb (29) 115.2 μg/m3 (81) 28.1 μg/m3 (85) 87.0
 
May 5, 2021, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 53.0 ppb (50) 2.52 ppb (29) 93.0 μg/m3 (70) 29.4 μg/m3 (88) 88.0
 
May 5, 2021, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 42.0 ppb (39) 2.56 ppb (30) 97.0 μg/m3 (72) 37.8 μg/m3 (107) 107.0
 
May 5, 2021, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 39.0 ppb (37) 2.57 ppb (30) 76.3 μg/m3 (62) 71.4 μg/m3 (160) 160.0
 
May 5, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 48.0 ppb (45) 2.52 ppb (29) 75.6 μg/m3 (62) 38.8 μg/m3 (110) 110.0
 
May 5, 2021, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 52.0 ppb (49) 2.51 ppb (29) 82.4 μg/m3 (65) 34.0 μg/m3 (98) 98.0
 
May 5, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 53.0 ppb (50) 2.52 ppb (29) 83.3 μg/m3 (66) 35.3 μg/m3 (100) 100.0
 
May 5, 2021, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 54.0 ppb (50) 2.51 ppb (29) 82.3 μg/m3 (65) 31.6 μg/m3 (93) 93.0
 
May 5, 2021, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 59.0 ppb (65) 2.49 ppb (29) 82.0 μg/m3 (65) 28.8 μg/m3 (87) 87.0
 
May 5, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 59.0 ppb (65) 2.48 ppb (29) 60.2 μg/m3 (54) 23.7 μg/m3 (76) 76.0
 
May 5, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 48.0 ppb (45) 2.43 ppb (28) 78.9 μg/m3 (63) 27.8 μg/m3 (85) 85.0
 
May 5, 2021, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 33.0 ppb (31) 2.57 ppb (30) 131.3 μg/m3 (89) 33.7 μg/m3 (97) 97.0
 
May 5, 2021, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 29.0 ppb (27) 2.79 ppb (32) 139.8 μg/m3 (93) 34.4 μg/m3 (98) 98.0
 
May 5, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 3.32 ppb (38) 164.4 μg/m3 (106) 28.2 μg/m3 (85) 106.0
 
May 5, 2021, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 54.0 ppb (50) 2.73 ppb (31) 95.7 μg/m3 (72) 20.2 μg/m3 (69) 72.0
 
May 5, 2021, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 76.0 ppb (104) 2.54 ppb (29) 82.5 μg/m3 (65) 15.8 μg/m3 (59) 104.0
 
May 5, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 81.0 ppb (107) 2.51 ppb (29) 90.6 μg/m3 (69) 16.2 μg/m3 (60) 107.0
 
May 4, 2021, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 84.0 ppb (108) 2.53 ppb (29) 74.4 μg/m3 (61) 14.3 μg/m3 (56) 108.0
 
May 4, 2021, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 87.0 ppb (110) 2.46 ppb (29) 78.3 μg/m3 (63) 21.3 μg/m3 (71) 110.0
 
May 4, 2021, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 85.0 ppb (109) 2.48 ppb (29) 66.0 μg/m3 (57) 23.4 μg/m3 (75) 109.0
 
May 4, 2021, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 83.0 ppb (108) 2.42 ppb (28) 77.8 μg/m3 (63) 26.4 μg/m3 (82) 108.0
 
May 4, 2021, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 75.0 ppb (104) 2.48 ppb (29) 82.7 μg/m3 (65) 33.4 μg/m3 (96) 104.0
 
May 4, 2021, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 73.0 ppb (103) 2.49 ppb (29) 105.8 μg/m3 (77) 32.7 μg/m3 (95) 103.0
 
May 4, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 69.0 ppb (97) 2.5 ppb (29) 117.0 μg/m3 (82) 27.2 μg/m3 (83) 97.0
 
May 4, 2021, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 60.0 ppb (68) 2.57 ppb (30) 136.5 μg/m3 (92) 34.4 μg/m3 (98) 98.0
 
May 4, 2021, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (45) 2.6 ppb (30) 189.8 μg/m3 (119) 50.6 μg/m3 (139) 139.0
 
May 4, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (16) 3.0 ppb (35) 187.8 μg/m3 (118) 50.9 μg/m3 (139) 139.0
 
May 4, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 6.0 ppb (6) 3.04 ppb (35) 114.6 μg/m3 (81) 51.6 μg/m3 (141) 141.0
 
May 4, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 5.0 ppb (5) 2.94 ppb (33) 102.8 μg/m3 (75) 46.8 μg/m3 (129) 129.0
 
May 4, 2021, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 14.0 ppb (13) 2.65 ppb (30) 71.9 μg/m3 (60) 32.2 μg/m3 (94) 94.0
 
May 4, 2021, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 19.0 ppb (18) 2.43 ppb (28) 56.6 μg/m3 (52) 31.2 μg/m3 (92) 92.0
 
May 4, 2021, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (21) 2.39 ppb (28) 67.8 μg/m3 (58) 26.6 μg/m3 (82) 82.0
 
May 4, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 13.0 ppb (13) 2.4 ppb (28) 70.4 μg/m3 (59) 30.5 μg/m3 (90) 90.0
 
May 4, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 34.0 ppb (32) 2.47 ppb (29) 70.7 μg/m3 (59) 31.7 μg/m3 (93) 93.0
 
May 4, 2021, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 32.0 ppb (30) 2.46 ppb (29) 52.4 μg/m3 (49) 22.4 μg/m3 (73) 73.0
 
May 4, 2021, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 36.0 ppb (34) 2.47 ppb (29) 56.0 μg/m3 (52) 17.3 μg/m3 (62) 62.0
 
May 4, 2021, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 39.0 ppb (37) 2.44 ppb (28) 87.6 μg/m3 (68) 18.8 μg/m3 (66) 68.0
 
May 4, 2021, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 35.0 ppb (33) 2.66 ppb (31) 82.1 μg/m3 (65) 18.0 μg/m3 (64) 65.0
 
May 4, 2021, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 38.0 ppb (36) 2.7 ppb (31) 100.1 μg/m3 (74) 25.5 μg/m3 (80) 80.0
 
May 4, 2021, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 48.0 ppb (45) 2.74 ppb (31) 129.1 μg/m3 (88) 24.8 μg/m3 (78) 88.0
 
May 4, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 69.0 ppb (97) 2.6 ppb (30) 157.6 μg/m3 (103) 31.7 μg/m3 (93) 103.0
 
May 3, 2021, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 84.0 ppb (108) 2.58 ppb (30) 143.0 μg/m3 (95) 34.8 μg/m3 (99) 108.0
 
May 3, 2021, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 85.0 ppb (109) 2.58 ppb (30) N/A 36.8 μg/m3 (105) 109.0
 
May 3, 2021, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 88.0 ppb (110) 2.55 ppb (29) 128.9 μg/m3 (88) 34.5 μg/m3 (99) 110.0
 
May 3, 2021, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 85.0 ppb (109) 2.54 ppb (29) 138.7 μg/m3 (93) 36.3 μg/m3 (103) 109.0
 
May 3, 2021, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 78.0 ppb (105) 2.57 ppb (30) 157.0 μg/m3 (102) 39.2 μg/m3 (111) 111.0
 
May 3, 2021, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 72.0 ppb (102) 2.5 ppb (29) N/A 37.0 μg/m3 (105) 105.0
 
May 3, 2021, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 65.0 ppb (84) 2.51 ppb (29) N/A N/A 84.0
 
May 3, 2021, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 53.0 ppb (50) 2.55 ppb (29) N/A N/A 50.0
 
May 3, 2021, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 36.0 ppb (34) 2.62 ppb (30) N/A N/A 34.0
 
May 3, 2021, 2 p.m. N/A N/A N/A N/A N/A 36.0 ppb (51) 10.0 ppb (10) 2.97 ppb (35) N/A N/A 51.0
 
May 3, 2021, 1 p.m. N/A N/A N/A N/A N/A 27.0 ppb (39) 3.0 ppb (3) 3.18 ppb (37) N/A 62.9 μg/m3 (155) 155.0
 
May 3, 2021, noon N/A N/A N/A N/A N/A 8.0 ppb (12) 8.0 ppb (8) 2.71 ppb (31) N/A 29.0 μg/m3 (87) 87.0
 
May 3, 2021, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 12.0 ppb (12) 2.53 ppb (29) N/A 24.9 μg/m3 (78) 78.0
 
May 3, 2021, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 24.0 ppb (23) 2.42 ppb (28) N/A 18.2 μg/m3 (64) 64.0
 
May 3, 2021, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 30.0 ppb (28) 2.37 ppb (28) N/A 18.6 μg/m3 (65) 65.0
 
May 3, 2021, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 31.0 ppb (29) 2.35 ppb (28) N/A 26.7 μg/m3 (82) 82.0
 
May 3, 2021, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 34.0 ppb (32) 2.38 ppb (28) 51.0 μg/m3 (48) 18.3 μg/m3 (65) 65.0
 
May 3, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 42.0 ppb (39) 2.4 ppb (28) 46.6 μg/m3 (44) 18.4 μg/m3 (65) 65.0
 
May 3, 2021, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 35.0 ppb (33) 2.45 ppb (29) 44.3 μg/m3 (42) 11.1 μg/m3 (47) 47.0
 
May 3, 2021, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 36.0 ppb (34) 2.41 ppb (28) 80.7 μg/m3 (64) 14.4 μg/m3 (56) 64.0
 
May 3, 2021, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (28) 2.73 ppb (31) 138.4 μg/m3 (93) 15.0 μg/m3 (58) 93.0
 
May 3, 2021, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 37.0 ppb (35) 2.87 ppb (33) 78.3 μg/m3 (63) 8.4 μg/m3 (36) 63.0
 
May 3, 2021, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 58.0 ppb (61) 2.39 ppb (28) 100.0 μg/m3 (74) 8.6 μg/m3 (36) 74.0
 
May 3, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 66.0 ppb (87) 2.35 ppb (28) 64.5 μg/m3 (56) 10.5 μg/m3 (44) 87.0
 
May 2, 2021, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 68.0 ppb (94) 2.29 ppb (27) 71.7 μg/m3 (60) 8.2 μg/m3 (35) 94.0
 
May 2, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 68.0 ppb (94) 2.3 ppb (27) 93.7 μg/m3 (71) 4.8 μg/m3 (20) 94.0
 
May 2, 2021, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 68.0 ppb (94) 2.34 ppb (27) 123.9 μg/m3 (86) 3.3 μg/m3 (14) 94.0
 
May 2, 2021, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 66.0 ppb (87) 2.31 ppb (27) N/A N/A 87.0
 
May 2, 2021, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 56.0 ppb (55) 2.28 ppb (27) 55.8 μg/m3 (52) N/A 55.0
 
May 2, 2021, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 50.0 ppb (47) 2.32 ppb (27) 86.0 μg/m3 (67) 11.0 μg/m3 (46) 67.0
 
May 2, 2021, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 46.0 ppb (43) 2.44 ppb (28) 69.5 μg/m3 (59) 12.9 μg/m3 (53) 59.0
 
May 2, 2021, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 40.0 ppb (38) 2.49 ppb (29) 91.4 μg/m3 (70) 19.6 μg/m3 (67) 70.0
 
May 2, 2021, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 31.0 ppb (29) 2.57 ppb (30) 89.2 μg/m3 (68) 24.3 μg/m3 (77) 77.0
 
May 2, 2021, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 18.0 ppb (17) 2.58 ppb (30) 101.9 μg/m3 (75) 22.1 μg/m3 (73) 75.0
 
May 2, 2021, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 8.0 ppb (8) 2.6 ppb (30) 46.0 μg/m3 (43) 15.7 μg/m3 (59) 59.0
 
May 2, 2021, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 12.0 ppb (12) 2.44 ppb (28) 53.1 μg/m3 (50) 15.7 μg/m3 (59) 59.0
 
May 2, 2021, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 14.0 ppb (13) 2.4 ppb (28) 44.5 μg/m3 (42) 15.2 μg/m3 (58) 58.0
 
May 2, 2021, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 24.0 ppb (23) 2.35 ppb (28) 47.6 μg/m3 (45) 18.3 μg/m3 (65) 65.0
 
May 2, 2021, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 25.0 ppb (24) 2.38 ppb (28) 46.4 μg/m3 (43) 15.1 μg/m3 (58) 58.0
 
May 2, 2021, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 29.0 ppb (27) 2.39 ppb (28) 68.9 μg/m3 (58) 28.2 μg/m3 (85) 85.0
 
May 2, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 31.0 ppb (29) 2.42 ppb (28) 61.6 μg/m3 (55) 18.1 μg/m3 (64) 64.0
 
May 2, 2021, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 34.0 ppb (32) 2.46 ppb (29) 55.5 μg/m3 (52) 21.4 μg/m3 (71) 71.0
 
May 2, 2021, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 31.0 ppb (29) 2.46 ppb (29) 54.4 μg/m3 (51) 19.5 μg/m3 (67) 67.0
 
May 2, 2021, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 33.0 ppb (31) 2.52 ppb (29) 83.3 μg/m3 (66) 25.8 μg/m3 (80) 80.0
 
May 2, 2021, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 29.0 ppb (27) 2.65 ppb (30) 95.3 μg/m3 (71) 22.4 μg/m3 (73) 73.0
 
May 2, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 35.0 ppb (33) 2.69 ppb (31) 108.7 μg/m3 (78) 17.1 μg/m3 (62) 78.0
 
May 2, 2021, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 47.0 ppb (44) 2.48 ppb (29) 149.6 μg/m3 (98) 51.4 μg/m3 (141) 141.0
 
May 2, 2021, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 57.0 ppb (58) 2.67 ppb (31) 128.4 μg/m3 (88) 23.8 μg/m3 (76) 88.0
 
May 1, 2021, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 66.0 ppb (87) 2.53 ppb (29) 134.3 μg/m3 (91) 20.0 μg/m3 (68) 91.0
 
May 1, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 67.0 ppb (91) 2.51 ppb (29) 79.0 μg/m3 (63) 18.2 μg/m3 (64) 91.0
 
May 1, 2021, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 72.0 ppb (102) 2.43 ppb (28) 102.0 μg/m3 (75) 22.9 μg/m3 (74) 102.0
 
May 1, 2021, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 78.0 ppb (105) 2.51 ppb (29) 118.6 μg/m3 (83) 35.0 μg/m3 (100) 105.0
 
May 1, 2021, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 81.0 ppb (107) 2.55 ppb (29) 97.4 μg/m3 (72) 37.8 μg/m3 (107) 107.0
 
May 1, 2021, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 70.0 ppb (100) 2.56 ppb (30) 68.4 μg/m3 (58) 230.0 μg/m3 (280) 280.0
 
May 1, 2021, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 67.0 ppb (91) 2.51 ppb (29) 76.4 μg/m3 (62) 119.4 μg/m3 (184) 184.0
 
May 1, 2021, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 51.0 ppb (48) 2.66 ppb (31) 107.5 μg/m3 (77) 173.4 μg/m3 (224) 224.0
 
May 1, 2021, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 33.0 ppb (31) 2.65 ppb (30) 80.5 μg/m3 (64) 49.0 μg/m3 (135) 135.0
 
May 1, 2021, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 18.0 ppb (17) 2.6 ppb (30) 70.6 μg/m3 (59) 27.6 μg/m3 (84) 84.0
 
May 1, 2021, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 7.0 ppb (7) 2.71 ppb (31) 45.5 μg/m3 (43) 21.7 μg/m3 (72) 72.0
 
May 1, 2021, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 13.0 ppb (13) 2.52 ppb (29) 35.7 μg/m3 (34) 19.7 μg/m3 (67) 67.0
 
May 1, 2021, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 20.0 ppb (19) 2.44 ppb (28) 36.2 μg/m3 (34) 22.2 μg/m3 (73) 73.0
 
May 1, 2021, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 36.0 ppb (34) 2.39 ppb (28) 36.1 μg/m3 (34) 19.7 μg/m3 (67) 67.0
 
May 1, 2021, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 38.0 ppb (36) 2.39 ppb (28) 47.7 μg/m3 (45) 22.0 μg/m3 (72) 72.0
 
May 1, 2021, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 38.0 ppb (36) 2.4 ppb (28) 49.5 μg/m3 (46) 24.4 μg/m3 (77) 77.0
 
May 1, 2021, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 44.0 ppb (41) 2.4 ppb (28) 61.0 μg/m3 (54) 30.2 μg/m3 (90) 90.0
 
May 1, 2021, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 39.0 ppb (37) 2.46 ppb (29) 67.8 μg/m3 (58) 31.9 μg/m3 (93) 93.0
 
May 1, 2021, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 40.0 ppb (38) 2.49 ppb (29) 63.2 μg/m3 (56) 29.1 μg/m3 (87) 87.0
 
May 1, 2021, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 38.0 ppb (36) 2.56 ppb (30) 103.0 μg/m3 (75) 29.9 μg/m3 (89) 89.0
 
May 1, 2021, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 40.0 ppb (38) 2.6 ppb (30) 132.9 μg/m3 (90) 38.3 μg/m3 (108) 108.0
 
May 1, 2021, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 47.0 ppb (44) 2.81 ppb (32) N/A 88.4 μg/m3 (168) 168.0
 
May 1, 2021, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 59.0 ppb (65) 2.68 ppb (31) 151.2 μg/m3 (99) 38.0 μg/m3 (108) 108.0
 
May 1, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 70.0 ppb (100) 2.78 ppb (32) 152.4 μg/m3 (100) 33.8 μg/m3 (97) 100.0
 
April 30, 2021, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 78.0 ppb (105) 2.57 ppb (30) 156.8 μg/m3 (102) 34.7 μg/m3 (99) 105.0
 
April 30, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 78.0 ppb (105) 2.62 ppb (30) 157.8 μg/m3 (103) 31.6 μg/m3 (93) 105.0
 
April 30, 2021, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 77.0 ppb (105) 2.54 ppb (29) 124.4 μg/m3 (86) 27.6 μg/m3 (84) 105.0
 
April 30, 2021, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 75.0 ppb (104) 2.54 ppb (29) 130.5 μg/m3 (89) 30.1 μg/m3 (89) 104.0
 
April 30, 2021, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 74.0 ppb (103) 2.56 ppb (30) 119.3 μg/m3 (83) 33.3 μg/m3 (96) 103.0
 
April 30, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 73.0 ppb (103) 2.54 ppb (29) 95.9 μg/m3 (72) 26.7 μg/m3 (82) 103.0
 
April 30, 2021, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 59.0 ppb (65) 2.58 ppb (30) 81.8 μg/m3 (65) 24.3 μg/m3 (77) 77.0
 
April 30, 2021, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 49.0 ppb (46) 2.45 ppb (29) 77.4 μg/m3 (63) 25.7 μg/m3 (80) 80.0
 
April 30, 2021, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 33.0 ppb (31) 2.52 ppb (29) 110.3 μg/m3 (79) 22.6 μg/m3 (74) 79.0
 
April 30, 2021, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 17.0 ppb (16) 2.59 ppb (30) 129.2 μg/m3 (88) 31.7 μg/m3 (93) 93.0
 
April 30, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 13.0 ppb (13) 2.55 ppb (29) 49.5 μg/m3 (46) 26.9 μg/m3 (83) 83.0
 
April 30, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 18.0 ppb (17) 2.48 ppb (29) 45.1 μg/m3 (42) 16.3 μg/m3 (60) 60.0
 
April 30, 2021, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 31.0 ppb (29) 2.39 ppb (28) 42.3 μg/m3 (40) 20.9 μg/m3 (70) 70.0
 
April 30, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 32.0 ppb (30) 2.38 ppb (28) 45.1 μg/m3 (42) 20.6 μg/m3 (69) 69.0
 
April 30, 2021, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 37.0 ppb (35) 2.38 ppb (28) 40.0 μg/m3 (38) 18.3 μg/m3 (65) 65.0
 
April 30, 2021, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 44.0 ppb (41) 2.34 ppb (27) 46.5 μg/m3 (44) 23.3 μg/m3 (75) 75.0
 
April 30, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 40.0 ppb (38) 2.34 ppb (27) 53.3 μg/m3 (50) 25.5 μg/m3 (80) 80.0
 
April 30, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 39.0 ppb (37) 2.4 ppb (28) 71.3 μg/m3 (60) 25.0 μg/m3 (79) 79.0
 
April 30, 2021, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 49.0 ppb (46) 2.43 ppb (28) 85.4 μg/m3 (67) 26.2 μg/m3 (81) 81.0
 
April 30, 2021, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 47.0 ppb (44) 2.55 ppb (29) 168.7 μg/m3 (108) 31.6 μg/m3 (93) 108.0
 
April 30, 2021, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 56.0 ppb (55) 2.56 ppb (30) 186.6 μg/m3 (117) 33.7 μg/m3 (97) 117.0
 
April 30, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 59.0 ppb (65) 2.68 ppb (31) 136.9 μg/m3 (92) 34.2 μg/m3 (98) 98.0
 
April 30, 2021, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 73.0 ppb (103) 2.55 ppb (29) 165.9 μg/m3 (107) 29.2 μg/m3 (87) 107.0
 
April 30, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 80.0 ppb (106) 2.57 ppb (30) 153.2 μg/m3 (100) 30.7 μg/m3 (91) 106.0
 
April 29, 2021, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 82.0 ppb (107) 2.52 ppb (29) 181.1 μg/m3 (114) 31.4 μg/m3 (92) 114.0
 
April 29, 2021, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 79.0 ppb (106) 2.56 ppb (30) 153.2 μg/m3 (100) 23.8 μg/m3 (76) 106.0
 
April 29, 2021, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 78.0 ppb (105) 2.54 ppb (29) 140.5 μg/m3 (94) 24.7 μg/m3 (78) 105.0
 
April 29, 2021, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 73.0 ppb (103) 2.53 ppb (29) 146.7 μg/m3 (97) 29.1 μg/m3 (87) 103.0
 
April 29, 2021, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 70.0 ppb (100) 2.49 ppb (29) 110.7 μg/m3 (79) 25.6 μg/m3 (80) 100.0
 
April 29, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 70.0 ppb (100) 2.48 ppb (29) 139.7 μg/m3 (93) 26.7 μg/m3 (82) 100.0
 
April 29, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 60.0 ppb (68) 2.52 ppb (29) 157.0 μg/m3 (102) 27.2 μg/m3 (83) 102.0
 
April 29, 2021, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 45.0 ppb (42) 2.55 ppb (29) 157.8 μg/m3 (103) 26.5 μg/m3 (82) 103.0
 
April 29, 2021, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 32.0 ppb (30) 2.61 ppb (30) 218.9 μg/m3 (133) 34.2 μg/m3 (98) 133.0
 
April 29, 2021, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 17.0 ppb (16) 2.78 ppb (32) 138.2 μg/m3 (93) 30.6 μg/m3 (90) 93.0
 
April 29, 2021, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 12.0 ppb (12) 2.83 ppb (32) 120.0 μg/m3 (84) 36.2 μg/m3 (103) 103.0
 
April 29, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 20.0 ppb (19) 2.67 ppb (31) 74.8 μg/m3 (61) 30.2 μg/m3 (90) 90.0
 
April 29, 2021, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 27.0 ppb (25) 2.48 ppb (29) 73.7 μg/m3 (61) 33.1 μg/m3 (96) 96.0
 
April 29, 2021, 10 a.m. N/A N/A N/A N/A N/A 15.0 ppb (22) 18.0 ppb (17) 2.43 ppb (28) 64.2 μg/m3 (56) 27.0 μg/m3 (83) 83.0
 
April 29, 2021, 9 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 12.0 ppb (12) 2.34 ppb (27) 72.8 μg/m3 (60) 29.6 μg/m3 (88) 88.0
 
April 29, 2021, 8 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 10.0 ppb (10) 2.35 ppb (28) 66.8 μg/m3 (57) 19.5 μg/m3 (67) 67.0
 
April 29, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 23.0 ppb (22) 2.35 ppb (28) 63.2 μg/m3 (56) 26.3 μg/m3 (81) 81.0
 
April 29, 2021, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 33.0 ppb (31) 2.42 ppb (28) 63.7 μg/m3 (56) 22.9 μg/m3 (74) 74.0