ID: 2547

AQSQID: 80011G001

Site Name: Estaci¢N Seguridad P£Blica

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

Updated: March 7, 2021, 1:32 p.m.

Location: Celaya (Pípila), MX

Reporting: True, Located: True

Current AQI: 69.0

Celaya (Pípila) MX, MX: 20.518317, -100.81591

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 7, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.34 ppb (27) 41.2 μg/m3 (39) 20.2 μg/m3 (69) 69.0
 
March 7, 2021, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 2.33 ppb (27) 46.8 μg/m3 (44) 21.2 μg/m3 (71) 71.0
 
March 7, 2021, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 2.32 ppb (27) 46.1 μg/m3 (43) 15.2 μg/m3 (58) 58.0
 
March 7, 2021, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 2.38 ppb (28) 54.4 μg/m3 (51) 17.8 μg/m3 (63) 63.0
 
March 7, 2021, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 2.36 ppb (28) 53.6 μg/m3 (50) 17.0 μg/m3 (62) 62.0
 
March 7, 2021, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 2.38 ppb (28) 53.3 μg/m3 (50) 23.1 μg/m3 (75) 75.0
 
March 7, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 2.37 ppb (28) 68.4 μg/m3 (58) 13.8 μg/m3 (55) 58.0
 
March 7, 2021, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 2.41 ppb (28) 79.1 μg/m3 (63) 21.7 μg/m3 (72) 72.0
 
March 7, 2021, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 2.39 ppb (28) 101.8 μg/m3 (75) 20.8 μg/m3 (70) 75.0
 
March 7, 2021, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 2.41 ppb (28) 102.5 μg/m3 (75) 22.7 μg/m3 (74) 75.0
 
March 7, 2021, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 2.54 ppb (29) 102.4 μg/m3 (75) 34.3 μg/m3 (98) 98.0
 
March 7, 2021, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 2.55 ppb (29) 61.3 μg/m3 (55) 46.1 μg/m3 (128) 128.0
 
March 7, 2021, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.4 ppb (28) 56.5 μg/m3 (52) 25.7 μg/m3 (80) 80.0
 
March 6, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 2.35 ppb (28) 69.0 μg/m3 (58) 19.9 μg/m3 (68) 68.0
 
March 6, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 2.4 ppb (28) 82.7 μg/m3 (65) 15.2 μg/m3 (58) 65.0
 
March 6, 2021, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 2.41 ppb (28) 87.0 μg/m3 (67) 24.4 μg/m3 (77) 77.0
 
March 6, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 2.46 ppb (29) 103.1 μg/m3 (75) 20.0 μg/m3 (68) 75.0
 
March 6, 2021, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 2.37 ppb (28) 112.0 μg/m3 (80) 19.4 μg/m3 (67) 80.0
 
March 6, 2021, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 2.5 ppb (29) 137.4 μg/m3 (92) 13.2 μg/m3 (54) 92.0
 
March 6, 2021, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 2.5 ppb (29) 145.7 μg/m3 (96) 16.4 μg/m3 (61) 96.0
 
March 6, 2021, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 2.49 ppb (29) N/A 12.4 μg/m3 (52) 52.0
 
March 6, 2021, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 2.47 ppb (29) 52.6 μg/m3 (49) 11.6 μg/m3 (49) 49.0
 
March 6, 2021, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 2.52 ppb (29) 50.9 μg/m3 (48) 25.4 μg/m3 (79) 79.0
 
March 6, 2021, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 2.46 ppb (29) 68.1 μg/m3 (58) 30.8 μg/m3 (91) 91.0
 
March 6, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 2.44 ppb (28) 53.4 μg/m3 (50) 30.0 μg/m3 (89) 89.0
 
March 6, 2021, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 2.44 ppb (28) 54.2 μg/m3 (51) 25.7 μg/m3 (80) 80.0
 
March 6, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 2.38 ppb (28) 85.7 μg/m3 (67) 31.6 μg/m3 (93) 93.0
 
March 6, 2021, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A 2.41 ppb (28) 103.2 μg/m3 (75) 36.9 μg/m3 (105) 105.0
 
March 6, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.42 ppb (28) 177.5 μg/m3 (113) 38.4 μg/m3 (109) 113.0
 
March 6, 2021, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.42 ppb (28) 189.3 μg/m3 (118) 39.2 μg/m3 (111) 118.0
 
March 6, 2021, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 2.46 ppb (29) 213.9 μg/m3 (131) 44.7 μg/m3 (124) 131.0
 
March 6, 2021, 5 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A 3.27 ppb (38) 150.3 μg/m3 (99) 53.5 μg/m3 (146) 146.0
 
March 6, 2021, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 3.24 ppb (37) 125.9 μg/m3 (87) 26.8 μg/m3 (82) 87.0
 
March 6, 2021, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 2.77 ppb (32) 116.8 μg/m3 (82) 32.8 μg/m3 (95) 95.0
 
March 6, 2021, 2 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A 2.64 ppb (30) 112.0 μg/m3 (80) 32.6 μg/m3 (95) 95.0
 
March 6, 2021, 1 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A 2.47 ppb (29) 77.9 μg/m3 (63) 26.5 μg/m3 (82) 82.0
 
March 6, 2021, midnight N/A N/A N/A N/A N/A 17.0 ppb (25) N/A 2.38 ppb (28) 95.4 μg/m3 (71) 26.7 μg/m3 (82) 82.0
 
March 5, 2021, 11 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) N/A 2.37 ppb (28) 122.4 μg/m3 (85) 26.4 μg/m3 (82) 85.0
 
March 5, 2021, 10 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A 2.38 ppb (28) 102.1 μg/m3 (75) 22.3 μg/m3 (73) 75.0
 
March 5, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 2.37 ppb (28) 83.1 μg/m3 (65) 28.5 μg/m3 (86) 86.0
 
March 5, 2021, 8 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A 2.35 ppb (28) 78.7 μg/m3 (63) 18.7 μg/m3 (65) 65.0
 
March 5, 2021, 7 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A 2.42 ppb (28) 89.9 μg/m3 (69) 25.1 μg/m3 (79) 79.0
 
March 5, 2021, 6 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A 2.45 ppb (29) 110.8 μg/m3 (79) 29.2 μg/m3 (87) 87.0
 
March 5, 2021, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 2.44 ppb (28) 164.4 μg/m3 (106) 28.2 μg/m3 (85) 106.0
 
March 5, 2021, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A 2.78 ppb (32) 210.4 μg/m3 (129) 47.8 μg/m3 (132) 132.0
 
March 5, 2021, 3 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) N/A 3.29 ppb (38) 178.6 μg/m3 (113) 50.1 μg/m3 (137) 137.0
 
March 5, 2021, 2 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A 3.17 ppb (37) 137.6 μg/m3 (92) 44.0 μg/m3 (122) 122.0
 
March 5, 2021, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A 2.89 ppb (33) 119.3 μg/m3 (83) 46.4 μg/m3 (128) 128.0
 
March 5, 2021, noon N/A N/A N/A N/A N/A 11.0 ppb (16) 11.0 ppb (11) 2.59 ppb (30) 123.9 μg/m3 (86) 44.6 μg/m3 (124) 124.0
 
March 5, 2021, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 6.0 ppb (6) 2.64 ppb (30) 123.2 μg/m3 (85) 52.2 μg/m3 (143) 143.0
 
March 5, 2021, 10 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 18.0 ppb (17) 2.55 ppb (29) 94.2 μg/m3 (71) 41.3 μg/m3 (116) 116.0
 
March 5, 2021, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 37.0 ppb (35) 2.45 ppb (29) 102.5 μg/m3 (75) 41.9 μg/m3 (117) 117.0
 
March 5, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 50.0 ppb (47) 2.42 ppb (28) 125.8 μg/m3 (87) 40.1 μg/m3 (113) 113.0
 
March 5, 2021, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 42.0 ppb (39) 2.52 ppb (29) 141.7 μg/m3 (94) 38.9 μg/m3 (110) 110.0
 
March 5, 2021, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 10.0 ppb (10) 2.81 ppb (32) 165.9 μg/m3 (107) 42.2 μg/m3 (118) 118.0
 
March 5, 2021, 5 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 9.0 ppb (9) 2.86 ppb (33) 159.7 μg/m3 (104) 39.9 μg/m3 (112) 112.0
 
March 5, 2021, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 17.0 ppb (16) 2.81 ppb (32) 127.0 μg/m3 (87) 34.7 μg/m3 (99) 99.0
 
March 5, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 37.0 ppb (35) 2.6 ppb (30) 131.4 μg/m3 (89) 39.7 μg/m3 (112) 112.0
 
March 5, 2021, 2 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 43.0 ppb (40) 2.61 ppb (30) 147.4 μg/m3 (97) 38.4 μg/m3 (109) 109.0
 
March 5, 2021, 1 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 55.0 ppb (51) 2.52 ppb (29) 93.9 μg/m3 (71) 37.7 μg/m3 (107) 107.0
 
March 5, 2021, midnight N/A N/A N/A N/A N/A 14.0 ppb (20) 72.0 ppb (102) 2.42 ppb (28) 91.5 μg/m3 (70) 37.1 μg/m3 (105) 105.0
 
March 4, 2021, 11 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 76.0 ppb (104) 2.42 ppb (28) 92.2 μg/m3 (70) 48.0 μg/m3 (132) 132.0
 
March 4, 2021, 10 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 74.0 ppb (103) 2.4 ppb (28) 90.0 μg/m3 (69) 32.7 μg/m3 (95) 103.0
 
March 4, 2021, 9 p.m. N/A N/A N/A N/A N/A 17.0 ppb (25) 66.0 ppb (87) 2.42 ppb (28) 112.4 μg/m3 (80) 26.4 μg/m3 (82) 87.0
 
March 4, 2021, 8 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 71.0 ppb (101) 2.47 ppb (29) 148.3 μg/m3 (98) 40.7 μg/m3 (114) 114.0
 
March 4, 2021, 7 p.m. N/A N/A N/A N/A N/A 15.0 ppb (22) 58.0 ppb (61) 2.6 ppb (30) 107.3 μg/m3 (77) 53.3 μg/m3 (145) 145.0
 
March 4, 2021, 6 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 52.0 ppb (49) 2.52 ppb (29) 97.2 μg/m3 (72) 40.5 μg/m3 (114) 114.0
 
March 4, 2021, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 43.0 ppb (40) 2.48 ppb (29) 136.9 μg/m3 (92) 36.3 μg/m3 (103) 103.0
 
March 4, 2021, 4 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 20.0 ppb (19) 2.87 ppb (33) 148.1 μg/m3 (98) 33.5 μg/m3 (97) 98.0
 
March 4, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 6.0 ppb (6) 3.08 ppb (36) 127.1 μg/m3 (87) 35.5 μg/m3 (101) 101.0
 
March 4, 2021, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) 2.96 ppb (35) 126.3 μg/m3 (87) 44.7 μg/m3 (124) 124.0
 
March 4, 2021, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 0.0 ppb (0) 2.77 ppb (32) 118.6 μg/m3 (83) 45.0 μg/m3 (125) 125.0
 
March 4, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.65 ppb (30) 97.7 μg/m3 (73) 40.6 μg/m3 (114) 114.0
 
March 4, 2021, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 4.0 ppb (4) 2.52 ppb (29) 136.2 μg/m3 (92) 45.2 μg/m3 (125) 125.0
 
March 4, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 6.0 ppb (6) 2.53 ppb (29) 92.9 μg/m3 (70) 35.6 μg/m3 (102) 102.0
 
March 4, 2021, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 5.0 ppb (5) 2.53 ppb (29) 71.8 μg/m3 (60) 38.1 μg/m3 (108) 108.0
 
March 4, 2021, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 21.0 ppb (20) 2.38 ppb (28) 78.9 μg/m3 (63) 33.7 μg/m3 (97) 97.0
 
March 4, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 29.0 ppb (27) 2.35 ppb (28) 113.9 μg/m3 (81) 30.2 μg/m3 (90) 90.0
 
March 4, 2021, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 20.0 ppb (19) 2.67 ppb (31) 87.8 μg/m3 (68) 31.7 μg/m3 (93) 93.0
 
March 4, 2021, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 34.0 ppb (32) 2.5 ppb (29) 138.0 μg/m3 (93) 29.8 μg/m3 (89) 93.0
 
March 4, 2021, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 24.0 ppb (23) 2.63 ppb (30) 127.7 μg/m3 (87) 41.9 μg/m3 (117) 117.0
 
March 4, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 29.0 ppb (27) 2.69 ppb (31) 135.4 μg/m3 (91) 45.6 μg/m3 (126) 126.0
 
March 4, 2021, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 32.0 ppb (30) 2.71 ppb (31) 108.8 μg/m3 (78) 45.7 μg/m3 (127) 127.0
 
March 4, 2021, 1 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 55.0 ppb (51) 2.48 ppb (29) 81.8 μg/m3 (65) 36.6 μg/m3 (104) 104.0
 
March 4, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 63.0 ppb (78) 2.39 ppb (28) 72.8 μg/m3 (60) 32.1 μg/m3 (94) 94.0
 
March 3, 2021, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 66.0 ppb (87) 2.4 ppb (28) 77.9 μg/m3 (63) 31.0 μg/m3 (91) 91.0
 
March 3, 2021, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 66.0 ppb (87) 2.38 ppb (28) 102.6 μg/m3 (75) 27.6 μg/m3 (84) 87.0
 
March 3, 2021, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 64.0 ppb (81) 2.4 ppb (28) 82.0 μg/m3 (65) 36.9 μg/m3 (105) 105.0
 
March 3, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 70.0 ppb (100) 2.47 ppb (29) 120.4 μg/m3 (84) 40.0 μg/m3 (113) 113.0
 
March 3, 2021, 7 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 64.0 ppb (81) 2.57 ppb (30) 106.9 μg/m3 (77) 39.7 μg/m3 (112) 112.0
 
March 3, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 44.0 ppb (41) 2.6 ppb (30) 88.1 μg/m3 (68) 29.3 μg/m3 (88) 88.0
 
March 3, 2021, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 31.0 ppb (29) 2.6 ppb (30) 94.3 μg/m3 (71) 28.0 μg/m3 (85) 85.0
 
March 3, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 14.0 ppb (13) 2.6 ppb (30) 85.7 μg/m3 (67) 22.1 μg/m3 (73) 73.0
 
March 3, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 6.0 ppb (6) 2.63 ppb (30) 76.8 μg/m3 (62) 20.8 μg/m3 (70) 70.0
 
March 3, 2021, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 0.0 ppb (0) 2.71 ppb (31) 49.4 μg/m3 (46) 19.4 μg/m3 (67) 67.0
 
March 3, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 0.0 ppb (0) 2.5 ppb (29) 40.6 μg/m3 (38) 15.9 μg/m3 (59) 59.0
 
March 3, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 3.0 ppb (3) 2.42 ppb (28) 30.4 μg/m3 (29) 11.5 μg/m3 (48) 48.0
 
March 3, 2021, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 11.0 ppb (11) 2.35 ppb (28) 26.9 μg/m3 (25) 12.1 μg/m3 (51) 51.0
 
March 3, 2021, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 13.0 ppb (13) 2.33 ppb (27) 31.5 μg/m3 (30) 13.5 μg/m3 (54) 54.0
 
March 3, 2021, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 13.0 ppb (13) 2.37 ppb (28) 40.5 μg/m3 (38) 22.0 μg/m3 (72) 72.0
 
March 3, 2021, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 14.0 ppb (13) 2.37 ppb (28) 42.7 μg/m3 (40) 30.7 μg/m3 (91) 91.0
 
March 3, 2021, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 16.0 ppb (15) 2.36 ppb (28) 51.4 μg/m3 (48) 8.7 μg/m3 (37) 48.0
 
March 3, 2021, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 19.0 ppb (18) 2.36 ppb (28) 71.6 μg/m3 (60) 17.0 μg/m3 (62) 62.0
 
March 3, 2021, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 17.0 ppb (16) 2.42 ppb (28) 132.5 μg/m3 (90) 19.8 μg/m3 (68) 90.0
 
March 3, 2021, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 17.0 ppb (16) 2.49 ppb (29) 159.6 μg/m3 (104) 36.2 μg/m3 (103) 104.0
 
March 3, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (16) 2.79 ppb (32) 131.5 μg/m3 (89) 38.6 μg/m3 (109) 109.0
 
March 3, 2021, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 32.0 ppb (30) 2.81 ppb (32) 98.1 μg/m3 (73) 44.7 μg/m3 (124) 124.0
 
March 3, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 52.0 ppb (49) 2.6 ppb (30) 91.9 μg/m3 (70) 33.1 μg/m3 (96) 96.0
 
March 3, 2021, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 57.0 ppb (58) 2.45 ppb (29) 81.1 μg/m3 (64) 23.8 μg/m3 (76) 76.0
 
March 2, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 62.0 ppb (74) 2.39 ppb (28) 77.1 μg/m3 (62) 18.9 μg/m3 (66) 74.0
 
March 2, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 57.0 ppb (58) 2.38 ppb (28) 88.8 μg/m3 (68) 20.6 μg/m3 (69) 69.0
 
March 2, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 63.0 ppb (78) 2.39 ppb (28) 84.6 μg/m3 (66) 21.9 μg/m3 (72) 78.0
 
March 2, 2021, 8 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 64.0 ppb (81) 2.5 ppb (29) 80.2 μg/m3 (64) 18.8 μg/m3 (66) 81.0
 
March 2, 2021, 7 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 59.0 ppb (65) 2.47 ppb (29) 84.4 μg/m3 (66) 16.1 μg/m3 (60) 66.0
 
March 2, 2021, 6 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) 47.0 ppb (44) 2.5 ppb (29) 86.7 μg/m3 (67) 18.0 μg/m3 (64) 67.0
 
March 2, 2021, 5 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 34.0 ppb (32) 2.52 ppb (29) 77.2 μg/m3 (62) 15.4 μg/m3 (58) 62.0
 
March 2, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 27.0 ppb (25) 2.54 ppb (29) 61.5 μg/m3 (55) 12.3 μg/m3 (52) 55.0
 
March 2, 2021, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 23.0 ppb (22) 2.57 ppb (30) 58.5 μg/m3 (53) 16.1 μg/m3 (60) 60.0
 
March 2, 2021, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 19.0 ppb (18) 2.55 ppb (29) 53.0 μg/m3 (50) 28.5 μg/m3 (86) 86.0
 
March 2, 2021, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 23.0 ppb (22) 2.45 ppb (29) 58.6 μg/m3 (53) 28.7 μg/m3 (86) 86.0
 
March 2, 2021, noon N/A N/A N/A N/A N/A 5.0 ppb (8) 27.0 ppb (25) 2.4 ppb (28) 68.6 μg/m3 (58) 39.3 μg/m3 (111) 111.0
 
March 2, 2021, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 33.0 ppb (31) 2.4 ppb (28) 75.2 μg/m3 (61) 43.2 μg/m3 (120) 120.0
 
March 2, 2021, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 37.0 ppb (35) 2.42 ppb (28) 78.1 μg/m3 (63) 45.1 μg/m3 (125) 125.0
 
March 2, 2021, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 38.0 ppb (36) 2.42 ppb (28) 78.6 μg/m3 (63) 45.5 μg/m3 (126) 126.0
 
March 2, 2021, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 38.0 ppb (36) 2.41 ppb (28) 81.0 μg/m3 (64) 40.1 μg/m3 (113) 113.0
 
March 2, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 36.0 ppb (34) 2.41 ppb (28) 101.2 μg/m3 (74) 54.9 μg/m3 (149) 149.0
 
March 2, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 36.0 ppb (34) 2.42 ppb (28) 225.0 μg/m3 (136) 48.7 μg/m3 (134) 136.0
 
March 2, 2021, 5 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 37.0 ppb (35) 2.42 ppb (28) N/A 60.0 μg/m3 (154) 154.0
 
March 2, 2021, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 39.0 ppb (37) 2.43 ppb (28) N/A 52.5 μg/m3 (143) 143.0
 
March 2, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 32.0 ppb (30) 2.61 ppb (30) 139.6 μg/m3 (93) 42.6 μg/m3 (119) 119.0
 
March 2, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 31.0 ppb (29) 2.78 ppb (32) 117.2 μg/m3 (82) 39.7 μg/m3 (112) 112.0
 
March 2, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 51.0 ppb (48) 2.64 ppb (30) 89.6 μg/m3 (69) 28.2 μg/m3 (85) 85.0
 
March 2, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 62.0 ppb (74) 2.5 ppb (29) 92.1 μg/m3 (70) 25.0 μg/m3 (79) 79.0
 
March 1, 2021, 11 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 72.0 ppb (102) 2.49 ppb (29) 105.3 μg/m3 (76) 24.9 μg/m3 (78) 102.0
 
March 1, 2021, 10 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 71.0 ppb (101) 2.46 ppb (29) 109.6 μg/m3 (79) 22.4 μg/m3 (73) 101.0
 
March 1, 2021, 9 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) 80.0 ppb (106) 2.43 ppb (28) 116.3 μg/m3 (82) 23.2 μg/m3 (75) 106.0
 
March 1, 2021, 8 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 75.0 ppb (104) 2.45 ppb (29) 104.1 μg/m3 (76) 27.5 μg/m3 (84) 104.0
 
March 1, 2021, 7 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 71.0 ppb (101) 2.44 ppb (28) 113.0 μg/m3 (80) 19.3 μg/m3 (67) 101.0
 
March 1, 2021, 6 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 58.0 ppb (61) 2.55 ppb (29) 146.2 μg/m3 (97) 31.7 μg/m3 (93) 97.0
 
March 1, 2021, 5 p.m. N/A N/A N/A N/A N/A 18.0 ppb (26) N/A 2.68 ppb (31) 157.6 μg/m3 (103) 34.0 μg/m3 (98) 103.0
 
March 1, 2021, 4 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A 3.1 ppb (36) 193.6 μg/m3 (121) 41.7 μg/m3 (117) 121.0
 
March 1, 2021, 3 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A 3.34 ppb (38) 133.1 μg/m3 (90) 33.1 μg/m3 (96) 96.0
 
March 1, 2021, 2 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A 2.97 ppb (35) 125.1 μg/m3 (86) 33.3 μg/m3 (96) 96.0
 
March 1, 2021, 1 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 2.95 ppb (35) 90.4 μg/m3 (69) 38.3 μg/m3 (108) 108.0
 
March 1, 2021, noon N/A N/A N/A N/A N/A 11.0 ppb (16) N/A 2.59 ppb (30) 94.2 μg/m3 (71) 37.2 μg/m3 (106) 106.0
 
March 1, 2021, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 2.54 ppb (29) 83.1 μg/m3 (65) 29.1 μg/m3 (87) 87.0
 
March 1, 2021, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 2.44 ppb (28) 63.4 μg/m3 (56) 27.6 μg/m3 (84) 84.0
 
March 1, 2021, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.38 ppb (28) 65.1 μg/m3 (56) 25.3 μg/m3 (79) 79.0
 
March 1, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 2.4 ppb (28) 86.4 μg/m3 (67) 27.8 μg/m3 (85) 85.0
 
March 1, 2021, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 39.0 ppb (37) 2.51 ppb (29) 105.2 μg/m3 (76) 30.7 μg/m3 (91) 91.0
 
March 1, 2021, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 29.0 ppb (27) 2.58 ppb (30) 84.8 μg/m3 (66) 27.1 μg/m3 (83) 83.0
 
March 1, 2021, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 32.0 ppb (30) 2.52 ppb (29) 80.8 μg/m3 (64) 25.2 μg/m3 (79) 79.0
 
March 1, 2021, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) 39.0 ppb (37) 2.5 ppb (29) 138.5 μg/m3 (93) 29.4 μg/m3 (88) 93.0
 
March 1, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 30.0 ppb (28) 2.7 ppb (31) 103.9 μg/m3 (76) 41.0 μg/m3 (115) 115.0
 
March 1, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 36.0 ppb (34) 2.55 ppb (29) 145.3 μg/m3 (96) 33.5 μg/m3 (97) 97.0
 
March 1, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 57.0 ppb (58) 2.42 ppb (28) 79.0 μg/m3 (63) 26.2 μg/m3 (81) 81.0
 
March 1, 2021, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 64.0 ppb (81) 2.35 ppb (28) 86.2 μg/m3 (67) 24.7 μg/m3 (78) 81.0
 
Feb. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 63.0 ppb (78) 2.36 ppb (28) 68.7 μg/m3 (58) 23.2 μg/m3 (75) 78.0
 
Feb. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 67.0 ppb (91) 2.32 ppb (27) 77.6 μg/m3 (63) 18.2 μg/m3 (64) 91.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 66.0 ppb (87) 2.33 ppb (27) 75.5 μg/m3 (62) 20.3 μg/m3 (69) 87.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 63.0 ppb (78) 2.34 ppb (27) 79.4 μg/m3 (64) 20.3 μg/m3 (69) 78.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 58.0 ppb (61) 2.34 ppb (27) 79.5 μg/m3 (64) 14.8 μg/m3 (57) 64.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 55.0 ppb (51) 2.35 ppb (28) 71.4 μg/m3 (60) 22.8 μg/m3 (74) 74.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 47.0 ppb (44) 2.35 ppb (28) 96.6 μg/m3 (72) 30.2 μg/m3 (90) 90.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 34.0 ppb (32) 2.5 ppb (29) 126.7 μg/m3 (87) 26.2 μg/m3 (81) 87.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 9.0 ppb (9) 3.0 ppb (35) 79.0 μg/m3 (63) 25.8 μg/m3 (80) 80.0
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 12.0 ppb (12) 2.74 ppb (31) 73.2 μg/m3 (61) 23.5 μg/m3 (75) 75.0
 
Feb. 28, 2021, 1 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 14.0 ppb (13) 2.42 ppb (28) 79.3 μg/m3 (64) 30.1 μg/m3 (89) 89.0