ID: 2557

AQSQID: 80011G003

Site Name: Estaci¢N San Juanico

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

Updated: April 20, 2021, 8:45 a.m.

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

Reporting: True, Located: True

Current AQI: 82.0

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
April 20, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 22.0 ppb (21) 2.27 ppb (27) 69.9 μg/m3 (59) 26.8 μg/m3 (82) 82.0
 
April 20, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 16.0 ppb (15) 2.33 ppb (27) 58.0 μg/m3 (53) 22.8 μg/m3 (74) 74.0
 
April 20, 2021, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 36.0 ppb (34) 2.27 ppb (27) 69.2 μg/m3 (59) 24.0 μg/m3 (77) 77.0
 
April 20, 2021, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 45.0 ppb (42) 2.28 ppb (27) 98.8 μg/m3 (73) 31.3 μg/m3 (92) 92.0
 
April 20, 2021, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 46.0 ppb (43) 2.49 ppb (29) 99.0 μg/m3 (73) 27.8 μg/m3 (85) 85.0
 
April 20, 2021, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 42.0 ppb (39) 2.52 ppb (29) 121.0 μg/m3 (84) 23.6 μg/m3 (76) 84.0
 
April 20, 2021, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 52.0 ppb (49) 2.35 ppb (28) 183.9 μg/m3 (116) 18.3 μg/m3 (65) 116.0
 
April 20, 2021, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 62.0 ppb (74) 2.23 ppb (25) N/A 25.4 μg/m3 (79) 79.0
 
April 19, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 68.0 ppb (94) 2.23 ppb (25) 113.7 μg/m3 (81) 19.5 μg/m3 (67) 94.0
 
April 19, 2021, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 67.0 ppb (91) 2.26 ppb (27) 132.4 μg/m3 (90) 20.8 μg/m3 (70) 91.0
 
April 19, 2021, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 68.0 ppb (94) 2.25 ppb (25) 174.0 μg/m3 (111) 22.7 μg/m3 (74) 111.0
 
April 19, 2021, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 72.0 ppb (102) 2.22 ppb (25) 159.2 μg/m3 (104) 18.7 μg/m3 (65) 104.0
 
April 19, 2021, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 68.0 ppb (94) 2.22 ppb (25) 135.6 μg/m3 (91) 29.7 μg/m3 (89) 94.0
 
April 19, 2021, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 76.0 ppb (104) 2.31 ppb (27) 128.5 μg/m3 (88) 31.4 μg/m3 (92) 104.0
 
April 19, 2021, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 61.0 ppb (71) 2.43 ppb (28) 109.2 μg/m3 (78) 43.2 μg/m3 (120) 120.0
 
April 19, 2021, 4 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 42.0 ppb (39) 2.44 ppb (28) 103.3 μg/m3 (75) 31.9 μg/m3 (93) 93.0
 
April 19, 2021, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 18.0 ppb (17) 2.47 ppb (29) 144.3 μg/m3 (96) 31.2 μg/m3 (92) 96.0
 
April 19, 2021, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 5.0 ppb (5) 2.82 ppb (32) 124.7 μg/m3 (86) 35.8 μg/m3 (102) 102.0
 
April 19, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 0.0 ppb (0) 3.0 ppb (35) 64.8 μg/m3 (56) 24.0 μg/m3 (77) 77.0
 
April 19, 2021, noon N/A N/A N/A N/A N/A 9.0 ppb (13) 0.0 ppb (0) 2.63 ppb (30) 44.8 μg/m3 (42) 25.5 μg/m3 (80) 80.0
 
April 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 12.0 ppb (12) 2.47 ppb (29) 61.7 μg/m3 (55) 47.6 μg/m3 (131) 131.0
 
April 19, 2021, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 14.0 ppb (13) 2.33 ppb (27) 52.8 μg/m3 (49) 61.4 μg/m3 (155) 155.0
 
April 19, 2021, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 28.0 ppb (26) 2.22 ppb (25) 46.2 μg/m3 (43) 39.7 μg/m3 (112) 112.0
 
April 19, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 30.0 ppb (28) 2.18 ppb (25) 49.3 μg/m3 (46) 21.9 μg/m3 (72) 72.0
 
April 19, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 25.0 ppb (24) 2.2 ppb (25) 69.1 μg/m3 (58) 115.6 μg/m3 (183) 183.0
 
April 19, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 24.0 ppb (23) 2.32 ppb (27) 61.8 μg/m3 (55) 66.8 μg/m3 (157) 157.0
 
April 19, 2021, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 47.0 ppb (44) 2.24 ppb (25) 68.7 μg/m3 (58) 22.4 μg/m3 (73) 73.0
 
April 19, 2021, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 52.0 ppb (49) 2.28 ppb (27) 66.5 μg/m3 (57) 21.8 μg/m3 (72) 72.0
 
April 19, 2021, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 38.0 ppb (36) 2.54 ppb (29) 95.8 μg/m3 (72) 27.6 μg/m3 (84) 84.0
 
April 19, 2021, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 33.0 ppb (31) 2.68 ppb (31) 90.0 μg/m3 (69) 10.2 μg/m3 (43) 69.0
 
April 19, 2021, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 52.0 ppb (49) 2.24 ppb (25) 129.3 μg/m3 (88) 9.1 μg/m3 (38) 88.0
 
April 19, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 60.0 ppb (68) 2.11 ppb (24) 122.3 μg/m3 (85) 24.2 μg/m3 (77) 85.0
 
April 18, 2021, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 64.0 ppb (81) 2.14 ppb (24) 106.5 μg/m3 (77) N/A 81.0
 
April 18, 2021, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 66.0 ppb (87) 2.19 ppb (25) 90.6 μg/m3 (69) 17.0 μg/m3 (62) 87.0
 
April 18, 2021, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 69.0 ppb (97) 2.25 ppb (25) 127.3 μg/m3 (87) 28.2 μg/m3 (85) 97.0
 
April 18, 2021, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 69.0 ppb (97) 2.21 ppb (25) 117.2 μg/m3 (82) 21.2 μg/m3 (71) 97.0
 
April 18, 2021, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 66.0 ppb (87) 2.18 ppb (25) 73.2 μg/m3 (61) 37.0 μg/m3 (105) 105.0
 
April 18, 2021, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 68.0 ppb (94) 2.22 ppb (25) 92.1 μg/m3 (70) 52.6 μg/m3 (144) 144.0
 
April 18, 2021, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 68.0 ppb (94) 2.33 ppb (27) 89.7 μg/m3 (69) 29.2 μg/m3 (87) 94.0
 
April 18, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 56.0 ppb (55) 2.5 ppb (29) 118.4 μg/m3 (83) 34.8 μg/m3 (99) 99.0
 
April 18, 2021, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 27.0 ppb (25) 2.62 ppb (30) 142.5 μg/m3 (95) 49.7 μg/m3 (136) 136.0
 
April 18, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 4.0 ppb (4) 3.05 ppb (35) 151.0 μg/m3 (99) 42.4 μg/m3 (118) 118.0
 
April 18, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 0.0 ppb (0) 3.07 ppb (36) 93.4 μg/m3 (71) 35.5 μg/m3 (101) 101.0
 
April 18, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 4.0 ppb (4) 2.52 ppb (29) 81.8 μg/m3 (65) 67.3 μg/m3 (158) 158.0
 
April 18, 2021, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 0.0 ppb (0) 2.49 ppb (29) 82.2 μg/m3 (65) 32.9 μg/m3 (95) 95.0
 
April 18, 2021, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 8.0 ppb (8) 2.45 ppb (29) 78.0 μg/m3 (63) 32.9 μg/m3 (95) 95.0
 
April 18, 2021, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 17.0 ppb (16) 2.37 ppb (28) 72.3 μg/m3 (60) 29.0 μg/m3 (87) 87.0
 
April 18, 2021, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (23) 2.36 ppb (28) 62.2 μg/m3 (55) 22.2 μg/m3 (73) 73.0
 
April 18, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 16.0 ppb (15) 2.3 ppb (27) 64.3 μg/m3 (56) 20.8 μg/m3 (70) 70.0
 
April 18, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 28.0 ppb (26) 2.26 ppb (27) 51.7 μg/m3 (48) 13.4 μg/m3 (54) 54.0
 
April 18, 2021, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 34.0 ppb (32) 2.33 ppb (27) 50.9 μg/m3 (48) 14.9 μg/m3 (57) 57.0
 
April 18, 2021, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 33.0 ppb (31) 2.31 ppb (27) 143.1 μg/m3 (95) 16.7 μg/m3 (61) 95.0
 
April 18, 2021, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 34.0 ppb (32) 2.39 ppb (28) N/A 17.4 μg/m3 (63) 63.0
 
April 18, 2021, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 45.0 ppb (42) 2.35 ppb (28) 208.9 μg/m3 (128) 16.7 μg/m3 (61) 128.0
 
April 18, 2021, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 55.0 ppb (51) 2.29 ppb (27) 146.7 μg/m3 (97) 24.4 μg/m3 (77) 97.0
 
April 18, 2021, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 62.0 ppb (74) 2.21 ppb (25) 188.1 μg/m3 (118) 25.0 μg/m3 (79) 118.0
 
April 17, 2021, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 63.0 ppb (78) 2.28 ppb (27) N/A 23.5 μg/m3 (75) 78.0
 
April 17, 2021, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 66.0 ppb (87) 2.26 ppb (27) 199.6 μg/m3 (124) 26.2 μg/m3 (81) 124.0
 
April 17, 2021, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 65.0 ppb (84) 2.29 ppb (27) N/A 24.5 μg/m3 (78) 84.0
 
April 17, 2021, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 67.0 ppb (91) 2.29 ppb (27) 92.5 μg/m3 (70) 22.3 μg/m3 (73) 91.0
 
April 17, 2021, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 77.0 ppb (105) 2.23 ppb (25) 96.6 μg/m3 (72) 26.2 μg/m3 (81) 105.0
 
April 17, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 76.0 ppb (104) 2.18 ppb (25) 86.4 μg/m3 (67) 22.8 μg/m3 (74) 104.0
 
April 17, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 63.0 ppb (78) 2.2 ppb (25) 130.5 μg/m3 (89) 22.8 μg/m3 (74) 89.0
 
April 17, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 46.0 ppb (43) 2.31 ppb (27) 165.8 μg/m3 (107) 45.7 μg/m3 (127) 127.0
 
April 17, 2021, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 29.0 ppb (27) 2.48 ppb (29) 144.7 μg/m3 (96) 36.8 μg/m3 (105) 105.0
 
April 17, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 11.0 ppb (11) 2.6 ppb (30) 154.2 μg/m3 (101) 33.3 μg/m3 (96) 101.0
 
April 17, 2021, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 10.0 ppb (10) 2.51 ppb (29) 84.2 μg/m3 (66) 31.2 μg/m3 (92) 92.0
 
April 17, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 21.0 ppb (20) 2.37 ppb (28) 78.6 μg/m3 (63) 30.0 μg/m3 (89) 89.0
 
April 17, 2021, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 31.0 ppb (29) 2.28 ppb (27) 76.3 μg/m3 (62) 35.5 μg/m3 (101) 101.0
 
April 17, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 36.0 ppb (34) 2.28 ppb (27) 88.6 μg/m3 (68) 47.1 μg/m3 (130) 130.0
 
April 17, 2021, 9 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 34.0 ppb (32) 2.33 ppb (27) 99.9 μg/m3 (74) 44.5 μg/m3 (124) 124.0
 
April 17, 2021, 8 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 31.0 ppb (29) 2.35 ppb (28) 94.8 μg/m3 (71) 57.3 μg/m3 (152) 152.0
 
April 17, 2021, 7 a.m. N/A N/A N/A N/A N/A 15.0 ppb (22) 16.0 ppb (15) 2.29 ppb (27) 102.6 μg/m3 (75) 45.5 μg/m3 (126) 126.0
 
April 17, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 15.0 ppb (14) 2.59 ppb (30) 110.4 μg/m3 (79) 45.0 μg/m3 (125) 125.0
 
April 17, 2021, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 22.0 ppb (21) 3.24 ppb (37) 112.9 μg/m3 (80) 34.4 μg/m3 (98) 98.0
 
April 17, 2021, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 40.0 ppb (38) 2.59 ppb (30) 117.8 μg/m3 (83) 37.6 μg/m3 (107) 107.0
 
April 17, 2021, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 43.0 ppb (40) 2.77 ppb (32) 209.6 μg/m3 (129) 49.1 μg/m3 (135) 135.0
 
April 17, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 45.0 ppb (42) 3.11 ppb (36) 142.1 μg/m3 (95) 71.0 μg/m3 (160) 160.0
 
April 17, 2021, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 66.0 ppb (87) 2.7 ppb (31) 126.5 μg/m3 (87) 31.7 μg/m3 (93) 93.0
 
April 17, 2021, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 78.0 ppb (105) 2.35 ppb (28) 133.1 μg/m3 (90) 29.0 μg/m3 (87) 105.0
 
April 16, 2021, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 79.0 ppb (106) 2.35 ppb (28) 122.1 μg/m3 (85) 27.5 μg/m3 (84) 106.0
 
April 16, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 77.0 ppb (105) 2.31 ppb (27) 121.8 μg/m3 (85) 28.0 μg/m3 (85) 105.0
 
April 16, 2021, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 77.0 ppb (105) 2.29 ppb (27) 128.1 μg/m3 (88) 24.1 μg/m3 (77) 105.0
 
April 16, 2021, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 76.0 ppb (104) 2.31 ppb (27) 129.5 μg/m3 (88) 26.9 μg/m3 (83) 104.0
 
April 16, 2021, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 76.0 ppb (104) 2.29 ppb (27) 131.1 μg/m3 (89) 66.3 μg/m3 (157) 157.0
 
April 16, 2021, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 74.0 ppb (103) 2.26 ppb (27) 118.7 μg/m3 (83) 22.6 μg/m3 (74) 103.0
 
April 16, 2021, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 64.0 ppb (81) 2.26 ppb (27) 129.4 μg/m3 (88) 23.7 μg/m3 (76) 88.0
 
April 16, 2021, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 52.0 ppb (49) 2.29 ppb (27) 116.7 μg/m3 (82) 25.7 μg/m3 (80) 82.0
 
April 16, 2021, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 30.0 ppb (28) 2.46 ppb (29) 174.6 μg/m3 (111) 34.2 μg/m3 (98) 111.0
 
April 16, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (14) 2.61 ppb (30) 165.3 μg/m3 (107) 34.4 μg/m3 (98) 107.0
 
April 16, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 4.0 ppb (4) 2.6 ppb (30) 86.7 μg/m3 (67) 33.0 μg/m3 (95) 95.0
 
April 16, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 8.0 ppb (8) 2.43 ppb (28) 77.5 μg/m3 (63) 29.5 μg/m3 (88) 88.0
 
April 16, 2021, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 28.0 ppb (26) 2.32 ppb (27) 67.9 μg/m3 (58) 30.4 μg/m3 (90) 90.0
 
April 16, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 40.0 ppb (38) 2.2 ppb (25) 84.9 μg/m3 (66) 39.9 μg/m3 (112) 112.0
 
April 16, 2021, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 37.0 ppb (35) 2.32 ppb (27) 113.2 μg/m3 (80) 56.7 μg/m3 (152) 152.0
 
April 16, 2021, 8 a.m. N/A N/A N/A N/A N/A 18.0 ppb (26) 26.0 ppb (25) 2.4 ppb (28) 109.3 μg/m3 (78) 54.6 μg/m3 (149) 149.0
 
April 16, 2021, 7 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 26.0 ppb (25) 2.3 ppb (27) 96.5 μg/m3 (72) 36.0 μg/m3 (103) 103.0
 
April 16, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 21.0 ppb (20) 2.37 ppb (28) 92.5 μg/m3 (70) 31.3 μg/m3 (92) 92.0
 
April 16, 2021, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 43.0 ppb (40) 2.33 ppb (27) N/A 29.3 μg/m3 (88) 88.0
 
April 16, 2021, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 43.0 ppb (40) 2.45 ppb (29) 190.7 μg/m3 (119) 40.6 μg/m3 (114) 119.0
 
April 16, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 11.0 ppb (11) 3.21 ppb (37) 192.3 μg/m3 (120) 30.4 μg/m3 (90) 120.0
 
April 16, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 27.0 ppb (25) 3.25 ppb (37) 143.2 μg/m3 (95) 22.9 μg/m3 (74) 95.0
 
April 16, 2021, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 64.0 ppb (81) 2.5 ppb (29) 88.6 μg/m3 (68) 16.1 μg/m3 (60) 81.0
 
April 16, 2021, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 76.0 ppb (104) 2.29 ppb (27) 85.9 μg/m3 (67) 17.2 μg/m3 (62) 104.0
 
April 15, 2021, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 82.0 ppb (107) 2.23 ppb (25) 89.3 μg/m3 (68) 19.3 μg/m3 (67) 107.0
 
April 15, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 81.0 ppb (107) 2.3 ppb (27) 108.4 μg/m3 (78) 22.0 μg/m3 (72) 107.0
 
April 15, 2021, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 87.0 ppb (110) 2.32 ppb (27) 111.2 μg/m3 (79) 12.9 μg/m3 (53) 110.0
 
April 15, 2021, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 72.0 ppb (102) 2.26 ppb (27) 120.1 μg/m3 (84) 17.8 μg/m3 (63) 102.0
 
April 15, 2021, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 73.0 ppb (103) 2.22 ppb (25) 153.2 μg/m3 (100) 26.6 μg/m3 (82) 103.0
 
April 15, 2021, 6 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 75.0 ppb (104) 2.25 ppb (25) 124.5 μg/m3 (86) 27.2 μg/m3 (83) 104.0
 
April 15, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 62.0 ppb (74) 2.34 ppb (27) 112.5 μg/m3 (80) 23.3 μg/m3 (75) 80.0
 
April 15, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (45) 2.39 ppb (28) 159.8 μg/m3 (104) 32.8 μg/m3 (95) 104.0
 
April 15, 2021, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 29.0 ppb (27) 2.6 ppb (30) 200.8 μg/m3 (124) 31.0 μg/m3 (91) 124.0
 
April 15, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 8.0 ppb (8) 2.91 ppb (33) 160.1 μg/m3 (104) 38.4 μg/m3 (109) 109.0
 
April 15, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 4.0 ppb (4) 2.85 ppb (33) 87.9 μg/m3 (68) 29.1 μg/m3 (87) 87.0
 
April 15, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 6.0 ppb (6) 2.61 ppb (30) 44.3 μg/m3 (42) 19.1 μg/m3 (66) 66.0
 
April 15, 2021, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 28.0 ppb (26) 2.21 ppb (25) 48.1 μg/m3 (45) 15.5 μg/m3 (59) 59.0
 
April 15, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 29.0 ppb (27) 2.15 ppb (24) 36.8 μg/m3 (35) 16.4 μg/m3 (61) 61.0
 
April 15, 2021, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 44.0 ppb (41) 2.09 ppb (24) 41.3 μg/m3 (39) 15.5 μg/m3 (59) 59.0
 
April 15, 2021, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 52.0 ppb (49) 2.1 ppb (24) 64.5 μg/m3 (56) 18.6 μg/m3 (65) 65.0
 
April 15, 2021, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 58.0 ppb (61) 2.09 ppb (24) 161.8 μg/m3 (105) 23.2 μg/m3 (75) 105.0
 
April 15, 2021, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 50.0 ppb (47) 2.13 ppb (24) 77.7 μg/m3 (63) 17.5 μg/m3 (63) 63.0
 
April 15, 2021, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 44.0 ppb (41) 2.11 ppb (24) 88.5 μg/m3 (68) 19.6 μg/m3 (67) 68.0
 
April 15, 2021, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 41.0 ppb (38) 2.21 ppb (25) 93.1 μg/m3 (70) 19.6 μg/m3 (67) 70.0
 
April 15, 2021, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 41.0 ppb (38) 2.23 ppb (25) 118.4 μg/m3 (83) 19.2 μg/m3 (66) 83.0
 
April 15, 2021, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 44.0 ppb (41) 2.3 ppb (27) N/A 33.2 μg/m3 (96) 96.0
 
April 15, 2021, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 54.0 ppb (50) 2.3 ppb (27) 142.0 μg/m3 (95) 25.7 μg/m3 (80) 95.0
 
April 15, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 67.0 ppb (91) 2.5 ppb (29) 114.2 μg/m3 (81) 22.8 μg/m3 (74) 91.0
 
April 14, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 79.0 ppb (106) 2.3 ppb (27) 108.0 μg/m3 (78) 23.0 μg/m3 (74) 106.0
 
April 14, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 86.0 ppb (109) 2.24 ppb (25) 102.3 μg/m3 (75) 26.0 μg/m3 (81) 109.0
 
April 14, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 88.0 ppb (110) 2.16 ppb (25) 106.3 μg/m3 (77) 34.5 μg/m3 (99) 110.0
 
April 14, 2021, 8 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 88.0 ppb (110) 2.27 ppb (27) 102.3 μg/m3 (75) 25.9 μg/m3 (81) 110.0
 
April 14, 2021, 7 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 84.0 ppb (108) 2.26 ppb (27) 105.9 μg/m3 (77) 27.2 μg/m3 (83) 108.0
 
April 14, 2021, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 78.0 ppb (105) 2.24 ppb (25) 107.9 μg/m3 (78) 34.8 μg/m3 (99) 105.0
 
April 14, 2021, 5 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 68.0 ppb (94) 2.42 ppb (28) 136.0 μg/m3 (92) 35.4 μg/m3 (100) 100.0
 
April 14, 2021, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 49.0 ppb (46) 2.45 ppb (29) 158.7 μg/m3 (103) 42.3 μg/m3 (118) 118.0
 
April 14, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 22.0 ppb (21) 2.55 ppb (29) 237.0 μg/m3 (142) 45.2 μg/m3 (125) 142.0
 
April 14, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 5.0 ppb (5) 3.24 ppb (37) 151.3 μg/m3 (99) 33.2 μg/m3 (96) 99.0
 
April 14, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) 2.93 ppb (33) 103.2 μg/m3 (75) 33.2 μg/m3 (96) 96.0
 
April 14, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 2.63 ppb (30) 67.6 μg/m3 (58) 30.2 μg/m3 (90) 90.0
 
April 14, 2021, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 9.0 ppb (9) 2.41 ppb (28) 36.7 μg/m3 (34) 18.9 μg/m3 (66) 66.0
 
April 14, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 34.0 ppb (32) 2.12 ppb (24) 36.0 μg/m3 (34) 25.4 μg/m3 (79) 79.0
 
April 14, 2021, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 44.0 ppb (41) 2.14 ppb (24) 39.6 μg/m3 (37) 18.8 μg/m3 (66) 66.0
 
April 14, 2021, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 47.0 ppb (44) 2.12 ppb (24) 36.9 μg/m3 (35) 22.9 μg/m3 (74) 74.0
 
April 14, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 48.0 ppb (45) 2.15 ppb (24) 46.9 μg/m3 (44) 22.6 μg/m3 (74) 74.0
 
April 14, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 57.0 ppb (58) 2.1 ppb (24) 143.9 μg/m3 (96) 19.0 μg/m3 (66) 96.0
 
April 14, 2021, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 57.0 ppb (58) 2.13 ppb (24) 307.9 μg/m3 (178) 34.6 μg/m3 (99) 178.0
 
April 14, 2021, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 55.0 ppb (51) 2.15 ppb (24) 138.2 μg/m3 (93) 28.6 μg/m3 (86) 93.0
 
April 14, 2021, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 49.0 ppb (46) 2.39 ppb (28) 167.2 μg/m3 (108) 28.7 μg/m3 (86) 108.0
 
April 14, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (45) 2.55 ppb (29) 109.3 μg/m3 (78) 23.2 μg/m3 (75) 78.0
 
April 14, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 72.0 ppb (102) 2.25 ppb (25) 105.0 μg/m3 (76) 24.5 μg/m3 (78) 102.0
 
April 14, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) 75.0 ppb (104) 2.24 ppb (25) 99.4 μg/m3 (73) 22.1 μg/m3 (73) 104.0
 
April 13, 2021, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 80.0 ppb (106) 2.16 ppb (25) 93.6 μg/m3 (71) 19.9 μg/m3 (68) 106.0
 
April 13, 2021, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 79.0 ppb (106) 2.2 ppb (25) 92.5 μg/m3 (70) 16.0 μg/m3 (60) 106.0
 
April 13, 2021, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 79.0 ppb (106) 2.14 ppb (24) 86.3 μg/m3 (67) 16.9 μg/m3 (62) 106.0
 
April 13, 2021, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 77.0 ppb (105) 2.13 ppb (24) 80.8 μg/m3 (64) 17.2 μg/m3 (62) 105.0
 
April 13, 2021, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 72.0 ppb (102) 2.19 ppb (25) 99.8 μg/m3 (74) 25.6 μg/m3 (80) 102.0
 
April 13, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 73.0 ppb (103) 2.24 ppb (25) 139.9 μg/m3 (94) 31.6 μg/m3 (93) 103.0
 
April 13, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 58.0 ppb (61) 2.26 ppb (27) 150.5 μg/m3 (99) 41.1 μg/m3 (115) 115.0
 
April 13, 2021, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 42.0 ppb (39) 2.52 ppb (29) 191.5 μg/m3 (120) 45.8 μg/m3 (127) 127.0
 
April 13, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 12.0 ppb (12) 3.09 ppb (36) 196.4 μg/m3 (122) 39.4 μg/m3 (111) 122.0
 
April 13, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) 3.54 ppb (40) 165.2 μg/m3 (107) 47.0 μg/m3 (130) 130.0
 
April 13, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) 3.2 ppb (37) 99.3 μg/m3 (73) 36.6 μg/m3 (104) 104.0
 
April 13, 2021, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 0.0 ppb (0) 2.49 ppb (29) 77.6 μg/m3 (63) 29.6 μg/m3 (88) 88.0
 
April 13, 2021, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) 2.31 ppb (27) 71.1 μg/m3 (59) 32.4 μg/m3 (94) 94.0
 
April 13, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 18.0 ppb (17) 2.18 ppb (25) 68.1 μg/m3 (58) 27.3 μg/m3 (83) 83.0
 
April 13, 2021, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (21) 2.17 ppb (25) 58.9 μg/m3 (53) 26.0 μg/m3 (81) 81.0
 
April 13, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 26.0 ppb (25) 2.11 ppb (24) 69.7 μg/m3 (59) 24.5 μg/m3 (78) 78.0