ID: 2351

AQSQID: 800090072

Site Name: Uam Iztapalapa

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

Updated: April 22, 2021, 10:44 a.m.

Location: Mexico City (Centro De Investigación), MX

Reporting: True, Located: True

Current AQI: 83.0

Mexico City (Centro De Investigación) MX, MX: 19.3607, -99.0738

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 22, 2021, 9 a.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 7.0 ppb (7) 0.4 ppb (5) 49.0 μg/m3 (46) 27.0 μg/m3 (83) 83.0
 
April 22, 2021, 8 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 12.0 ppb (12) 0.4 ppb (5) 54.0 μg/m3 (50) 29.0 μg/m3 (87) 87.0
 
April 22, 2021, 7 a.m. N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 15.0 ppb (14) 0.4 ppb (5) 53.0 μg/m3 (50) 24.0 μg/m3 (77) 77.0
 
April 22, 2021, 6 a.m. N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) 16.0 ppb (15) 0.5 ppb (6) 59.0 μg/m3 (53) 23.0 μg/m3 (74) 74.0
 
April 22, 2021, 5 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 20.0 ppb (19) 0.4 ppb (5) 66.0 μg/m3 (57) 21.0 μg/m3 (70) 70.0
 
April 22, 2021, 4 a.m. N/A N/A N/A 29.0 ppb (28) N/A 3.0 ppb (5) 17.0 ppb (16) 0.4 ppb (5) 98.0 μg/m3 (73) 23.0 μg/m3 (74) 74.0
 
April 22, 2021, 3 a.m. N/A N/A N/A 18.0 ppb (17) N/A 4.0 ppb (6) 30.0 ppb (28) 0.4 ppb (5) 51.0 μg/m3 (48) 19.0 μg/m3 (66) 66.0
 
April 22, 2021, 2 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 59.0 ppb (65) 0.5 ppb (6) 69.0 μg/m3 (58) 41.0 μg/m3 (115) 115.0
 
April 22, 2021, 1 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 68.0 ppb (94) 0.5 ppb (6) 76.0 μg/m3 (62) 43.0 μg/m3 (120) 120.0
 
April 22, 2021, midnight N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 72.0 ppb (102) 0.5 ppb (6) 84.0 μg/m3 (66) 47.0 μg/m3 (130) 130.0
 
April 21, 2021, 11 p.m. N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 87.0 ppb (110) 0.5 ppb (6) 89.0 μg/m3 (68) 47.0 μg/m3 (130) 130.0
 
April 21, 2021, 10 p.m. N/A N/A N/A 9.0 ppb (9) N/A 2.0 ppb (3) 86.0 ppb (109) 0.4 ppb (5) 97.0 μg/m3 (72) 55.0 μg/m3 (150) 150.0
 
April 21, 2021, 9 p.m. N/A N/A N/A 12.0 ppb (12) N/A 4.0 ppb (6) 110.0 ppb (122) 0.5 ppb (6) 90.0 μg/m3 (69) 56.0 μg/m3 (152) 152.0
 
April 21, 2021, 8 p.m. N/A N/A N/A 15.0 ppb (15) N/A 6.0 ppb (9) 108.0 ppb (121) 0.5 ppb (6) 96.0 μg/m3 (72) 57.0 μg/m3 (152) 152.0
 
April 21, 2021, 7 p.m. N/A N/A N/A 20.0 ppb (19) N/A 11.0 ppb (16) 89.0 ppb (111) 0.5 ppb (6) 116.0 μg/m3 (82) 70.0 μg/m3 (159) 159.0
 
April 21, 2021, 6 p.m. N/A N/A N/A 36.0 ppb (34) N/A 14.0 ppb (20) 77.0 ppb (105) 0.7 ppb (8) 108.0 μg/m3 (78) 71.0 μg/m3 (160) 160.0
 
April 21, 2021, 5 p.m. N/A N/A N/A 41.0 ppb (39) N/A 17.0 ppb (25) 54.0 ppb (50) 0.8 ppb (10) 144.0 μg/m3 (96) 92.0 μg/m3 (170) 170.0
 
April 21, 2021, 4 p.m. N/A N/A N/A 54.0 ppb (51) N/A 16.0 ppb (23) 28.0 ppb (26) 1.1 ppb (13) 124.0 μg/m3 (86) 69.0 μg/m3 (158) 158.0
 
April 21, 2021, 3 p.m. N/A N/A N/A 46.0 ppb (44) N/A 11.0 ppb (16) 10.0 ppb (10) 1.3 ppb (15) 107.0 μg/m3 (77) 59.0 μg/m3 (153) 153.0
 
April 21, 2021, 2 p.m. N/A N/A N/A 41.0 ppb (39) N/A 6.0 ppb (9) 4.0 ppb (4) 1.5 ppb (18) 94.0 μg/m3 (71) 63.0 μg/m3 (155) 155.0
 
April 21, 2021, 1 p.m. N/A N/A N/A 36.0 ppb (34) N/A 6.0 ppb (9) 3.0 ppb (3) 1.2 ppb (14) 136.0 μg/m3 (92) 98.0 μg/m3 (173) 173.0
 
April 21, 2021, noon N/A N/A N/A 40.0 ppb (38) N/A 15.0 ppb (22) 3.0 ppb (3) 0.8 ppb (10) 121.0 μg/m3 (84) 85.0 μg/m3 (167) 167.0
 
April 21, 2021, 11 a.m. N/A N/A N/A 39.0 ppb (37) N/A 17.0 ppb (25) 3.0 ppb (3) 0.7 ppb (8) 94.0 μg/m3 (71) 69.0 μg/m3 (158) 158.0
 
April 21, 2021, 10 a.m. N/A N/A N/A 33.0 ppb (32) N/A 5.0 ppb (8) 7.0 ppb (7) 0.7 ppb (8) 53.0 μg/m3 (50) 36.0 μg/m3 (103) 103.0
 
April 21, 2021, 9 a.m. N/A N/A N/A 25.0 ppb (24) N/A 1.0 ppb (2) 15.0 ppb (14) 0.6 ppb (7) 52.0 μg/m3 (49) 28.0 μg/m3 (85) 85.0
 
April 21, 2021, 8 a.m. N/A N/A N/A 30.0 ppb (29) N/A 3.0 ppb (5) 14.0 ppb (13) 0.6 ppb (7) 56.0 μg/m3 (52) 28.0 μg/m3 (85) 85.0
 
April 21, 2021, 7 a.m. N/A N/A N/A 40.0 ppb (38) N/A 7.0 ppb (10) 10.0 ppb (10) 0.5 ppb (6) 73.0 μg/m3 (60) 42.0 μg/m3 (118) 118.0
 
April 21, 2021, 6 a.m. N/A N/A N/A 41.0 ppb (39) N/A 2.0 ppb (3) 14.0 ppb (13) 0.7 ppb (8) 74.0 μg/m3 (61) 45.0 μg/m3 (125) 125.0
 
April 21, 2021, 5 a.m. N/A N/A N/A 49.0 ppb (47) N/A 1.0 ppb (2) 9.0 ppb (9) 1.0 ppb (12) 36.0 μg/m3 (34) 24.0 μg/m3 (77) 77.0
 
April 21, 2021, 4 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 29.0 ppb (27) 0.6 ppb (7) 31.0 μg/m3 (29) 15.0 μg/m3 (58) 58.0
 
April 21, 2021, 3 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 42.0 ppb (39) 0.4 ppb (5) 45.0 μg/m3 (42) 22.0 μg/m3 (72) 72.0
 
April 21, 2021, 2 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 54.0 ppb (50) 0.4 ppb (5) 70.0 μg/m3 (59) 30.0 μg/m3 (89) 89.0
 
April 21, 2021, 1 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 64.0 ppb (81) 0.5 ppb (6) 89.0 μg/m3 (68) 36.0 μg/m3 (103) 103.0
 
April 21, 2021, midnight N/A N/A N/A 11.0 ppb (11) N/A 2.0 ppb (3) 68.0 ppb (94) 0.5 ppb (6) 99.0 μg/m3 (73) 40.0 μg/m3 (113) 113.0
 
April 20, 2021, 11 p.m. N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 72.0 ppb (102) 0.4 ppb (5) 76.0 μg/m3 (62) 33.0 μg/m3 (95) 102.0
 
April 20, 2021, 10 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 80.0 ppb (106) 0.4 ppb (5) 91.0 μg/m3 (69) 28.0 μg/m3 (85) 106.0
 
April 20, 2021, 9 p.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 77.0 ppb (105) 0.4 ppb (5) 68.0 μg/m3 (58) 16.0 μg/m3 (60) 105.0
 
April 20, 2021, 8 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 72.0 ppb (102) 0.3 ppb (4) 64.0 μg/m3 (56) 19.0 μg/m3 (66) 102.0
 
April 20, 2021, 7 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 66.0 ppb (87) 0.3 ppb (4) 69.0 μg/m3 (58) 34.0 μg/m3 (98) 98.0
 
April 20, 2021, 6 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 69.0 ppb (97) 0.4 ppb (5) 62.0 μg/m3 (55) 34.0 μg/m3 (98) 98.0
 
April 20, 2021, 5 p.m. N/A N/A N/A 37.0 ppb (35) N/A 2.0 ppb (3) 59.0 ppb (65) 0.8 ppb (10) 71.0 μg/m3 (59) 43.0 μg/m3 (120) 120.0
 
April 20, 2021, 4 p.m. N/A N/A N/A 47.0 ppb (45) N/A 2.0 ppb (3) 38.0 ppb (36) 0.9 ppb (11) 91.0 μg/m3 (69) 45.0 μg/m3 (125) 125.0
 
April 20, 2021, 3 p.m. N/A N/A N/A 63.0 ppb (61) N/A 3.0 ppb (5) 9.0 ppb (9) 1.8 ppb (21) 79.0 μg/m3 (63) 38.0 μg/m3 (108) 108.0
 
April 20, 2021, 2 p.m. N/A N/A N/A 43.0 ppb (41) N/A 3.0 ppb (5) 4.0 ppb (4) 1.7 ppb (20) 57.0 μg/m3 (52) 30.0 μg/m3 (89) 89.0
 
April 20, 2021, 1 p.m. N/A N/A N/A 39.0 ppb (37) N/A 3.0 ppb (5) 2.0 ppb (2) 1.5 ppb (18) 55.0 μg/m3 (51) 33.0 μg/m3 (95) 95.0
 
April 20, 2021, noon N/A N/A N/A 37.0 ppb (35) N/A 3.0 ppb (5) 3.0 ppb (3) 1.4 ppb (16) 40.0 μg/m3 (38) 26.0 μg/m3 (81) 81.0
 
April 20, 2021, 11 a.m. N/A N/A N/A 29.0 ppb (28) N/A 1.0 ppb (2) 10.0 ppb (10) 0.5 ppb (6) 39.0 μg/m3 (37) 26.0 μg/m3 (81) 81.0
 
April 20, 2021, 10 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 19.0 ppb (18) 0.4 ppb (5) 32.0 μg/m3 (30) 21.0 μg/m3 (70) 70.0
 
April 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 24.0 μg/m3 (77) 77.0
 
April 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 25.0 μg/m3 (79) 79.0
 
April 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (56) 34.0 μg/m3 (98) 98.0
 
April 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (56) 34.0 μg/m3 (98) 98.0
 
April 20, 2021, 5 a.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 28.0 ppb (26) 0.7 ppb (8) 60.0 μg/m3 (54) 32.0 μg/m3 (93) 93.0
 
April 20, 2021, 4 a.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 34.0 ppb (32) 0.7 ppb (8) 54.0 μg/m3 (50) 32.0 μg/m3 (93) 93.0
 
April 20, 2021, 3 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 50.0 ppb (47) 0.5 ppb (6) 53.0 μg/m3 (50) 28.0 μg/m3 (85) 85.0
 
April 20, 2021, 2 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 59.0 ppb (65) 0.4 ppb (5) 59.0 μg/m3 (53) 23.0 μg/m3 (74) 74.0
 
April 20, 2021, 1 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 60.0 ppb (68) 0.4 ppb (5) 67.0 μg/m3 (57) 25.0 μg/m3 (79) 79.0
 
April 20, 2021, midnight N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 67.0 ppb (91) 0.4 ppb (5) 87.0 μg/m3 (67) 31.0 μg/m3 (91) 91.0
 
April 19, 2021, 11 p.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 69.0 ppb (97) 0.4 ppb (5) 78.0 μg/m3 (63) 31.0 μg/m3 (91) 97.0
 
April 19, 2021, 10 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 71.0 ppb (101) 0.4 ppb (5) 73.0 μg/m3 (60) 27.0 μg/m3 (83) 101.0
 
April 19, 2021, 9 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 73.0 ppb (103) 0.4 ppb (5) 88.0 μg/m3 (68) 29.0 μg/m3 (87) 103.0
 
April 19, 2021, 8 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 74.0 ppb (103) 0.3 ppb (4) 53.0 μg/m3 (50) 21.0 μg/m3 (70) 103.0
 
April 19, 2021, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 72.0 ppb (102) 0.3 ppb (4) 48.0 μg/m3 (45) 21.0 μg/m3 (70) 102.0
 
April 19, 2021, 6 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 70.0 ppb (100) 0.3 ppb (4) 57.0 μg/m3 (52) 26.0 μg/m3 (81) 100.0
 
April 19, 2021, 5 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 66.0 ppb (87) 0.4 ppb (5) 87.0 μg/m3 (67) 38.0 μg/m3 (108) 108.0
 
April 19, 2021, 4 p.m. N/A N/A N/A 41.0 ppb (39) N/A 2.0 ppb (3) 43.0 ppb (40) 0.9 ppb (11) 101.0 μg/m3 (74) 49.0 μg/m3 (135) 135.0
 
April 19, 2021, 3 p.m. N/A N/A N/A 75.0 ppb (74) N/A 5.0 ppb (8) 7.0 ppb (7) 2.2 ppb (25) 94.0 μg/m3 (71) 41.0 μg/m3 (115) 115.0
 
April 19, 2021, 2 p.m. N/A N/A N/A 51.0 ppb (49) N/A 4.0 ppb (6) 4.0 ppb (4) 2.2 ppb (25) 57.0 μg/m3 (52) 31.0 μg/m3 (91) 91.0
 
April 19, 2021, 1 p.m. N/A N/A N/A 42.0 ppb (40) N/A 2.0 ppb (3) 3.0 ppb (3) 1.3 ppb (15) 44.0 μg/m3 (41) 29.0 μg/m3 (87) 87.0
 
April 19, 2021, noon N/A N/A N/A 36.0 ppb (34) N/A 1.0 ppb (2) 8.0 ppb (8) 0.6 ppb (7) 35.0 μg/m3 (33) 24.0 μg/m3 (77) 77.0
 
April 19, 2021, 11 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 21.0 ppb (20) 0.4 ppb (5) 31.0 μg/m3 (29) 21.0 μg/m3 (70) 70.0
 
April 19, 2021, 10 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 26.0 ppb (25) 0.4 ppb (5) 33.0 μg/m3 (31) 20.0 μg/m3 (68) 68.0
 
April 19, 2021, 9 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 27.0 ppb (25) 0.4 ppb (5) 35.0 μg/m3 (33) 23.0 μg/m3 (74) 74.0
 
April 19, 2021, 8 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 35.0 ppb (33) 0.4 ppb (5) 44.0 μg/m3 (41) 25.0 μg/m3 (79) 79.0
 
April 19, 2021, 7 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 35.0 ppb (33) 0.4 ppb (5) 41.0 μg/m3 (38) 24.0 μg/m3 (77) 77.0
 
April 19, 2021, 6 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 27.0 ppb (25) 0.5 ppb (6) 26.0 μg/m3 (25) 16.0 μg/m3 (60) 60.0
 
April 19, 2021, 5 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 29.0 ppb (27) 0.5 ppb (6) 45.0 μg/m3 (42) 29.0 μg/m3 (87) 87.0
 
April 19, 2021, 4 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 30.0 ppb (28) 0.6 ppb (7) 45.0 μg/m3 (42) 28.0 μg/m3 (85) 85.0
 
April 19, 2021, 3 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 42.0 ppb (39) 0.4 ppb (5) 38.0 μg/m3 (36) 15.0 μg/m3 (58) 58.0
 
April 19, 2021, 2 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 51.0 ppb (48) 0.3 ppb (4) 50.0 μg/m3 (47) 18.0 μg/m3 (64) 64.0
 
April 19, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 61.0 ppb (71) 0.3 ppb (4) 62.0 μg/m3 (55) 24.0 μg/m3 (77) 77.0
 
April 19, 2021, midnight N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 68.0 ppb (94) 0.3 ppb (4) 68.0 μg/m3 (58) 25.0 μg/m3 (79) 94.0
 
April 18, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 68.0 ppb (94) 0.3 ppb (4) 94.0 μg/m3 (71) 32.0 μg/m3 (93) 94.0
 
April 18, 2021, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 67.0 ppb (91) 0.3 ppb (4) 59.0 μg/m3 (53) 16.0 μg/m3 (60) 91.0
 
April 18, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 62.0 ppb (74) 0.2 ppb (3) 108.0 μg/m3 (78) 54.0 μg/m3 (147) 147.0
 
April 18, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 60.0 ppb (68) 0.2 ppb (3) 66.0 μg/m3 (57) 30.0 μg/m3 (89) 89.0
 
April 18, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 65.0 ppb (84) 0.2 ppb (3) 40.0 μg/m3 (38) 18.0 μg/m3 (64) 84.0
 
April 18, 2021, 6 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 76.0 ppb (104) 0.2 ppb (3) 70.0 μg/m3 (59) 37.0 μg/m3 (105) 105.0
 
April 18, 2021, 5 p.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 76.0 ppb (104) 0.5 ppb (6) 76.0 μg/m3 (62) 46.0 μg/m3 (127) 127.0
 
April 18, 2021, 4 p.m. N/A N/A N/A 53.0 ppb (50) N/A 2.0 ppb (3) 48.0 ppb (45) 1.0 ppb (12) 82.0 μg/m3 (65) 49.0 μg/m3 (135) 135.0
 
April 18, 2021, 3 p.m. N/A N/A N/A 60.0 ppb (58) N/A 3.0 ppb (5) 17.0 ppb (16) 1.3 ppb (15) 75.0 μg/m3 (61) 44.0 μg/m3 (122) 122.0
 
April 18, 2021, 2 p.m. N/A N/A N/A 38.0 ppb (36) N/A 2.0 ppb (3) 7.0 ppb (7) 1.1 ppb (13) 82.0 μg/m3 (65) 54.0 μg/m3 (147) 147.0
 
April 18, 2021, 1 p.m. N/A N/A N/A 34.0 ppb (33) N/A 2.0 ppb (3) 2.0 ppb (2) 1.1 ppb (13) 73.0 μg/m3 (60) 52.0 μg/m3 (142) 142.0
 
April 18, 2021, noon N/A N/A N/A 29.0 ppb (28) N/A 1.0 ppb (2) 8.0 ppb (8) 0.8 ppb (10) 71.0 μg/m3 (59) 50.0 μg/m3 (137) 137.0
 
April 18, 2021, 11 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 16.0 ppb (15) 0.6 ppb (7) 108.0 μg/m3 (78) 78.0 μg/m3 (163) 163.0
 
April 18, 2021, 10 a.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 9.0 ppb (9) 0.7 ppb (8) 77.0 μg/m3 (62) 51.0 μg/m3 (140) 140.0
 
April 18, 2021, 9 a.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 12.0 ppb (12) 0.7 ppb (8) 45.0 μg/m3 (42) 27.0 μg/m3 (83) 83.0
 
April 18, 2021, 8 a.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 18.0 ppb (17) 0.6 ppb (7) 41.0 μg/m3 (38) 25.0 μg/m3 (79) 79.0
 
April 18, 2021, 7 a.m. N/A N/A N/A 34.0 ppb (33) N/A 1.0 ppb (2) 16.0 ppb (15) 0.7 ppb (8) 29.0 μg/m3 (27) 18.0 μg/m3 (64) 64.0
 
April 18, 2021, 6 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 28.0 ppb (26) 0.5 ppb (6) 33.0 μg/m3 (31) 18.0 μg/m3 (64) 64.0
 
April 18, 2021, 5 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 33.0 ppb (31) 0.4 ppb (5) 46.0 μg/m3 (43) 24.0 μg/m3 (77) 77.0
 
April 18, 2021, 4 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 34.0 ppb (32) 0.4 ppb (5) 52.0 μg/m3 (49) 31.0 μg/m3 (91) 91.0
 
April 18, 2021, 3 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 40.0 ppb (38) 0.5 ppb (6) 38.0 μg/m3 (36) 14.0 μg/m3 (55) 55.0
 
April 18, 2021, 2 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 46.0 ppb (43) 0.3 ppb (4) 47.0 μg/m3 (44) 12.0 μg/m3 (50) 50.0
 
April 18, 2021, 1 a.m. N/A N/A N/A 8.0 ppb (8) N/A 2.0 ppb (3) 60.0 ppb (68) 0.3 ppb (4) 90.0 μg/m3 (69) 33.0 μg/m3 (95) 95.0
 
April 18, 2021, midnight N/A N/A N/A 8.0 ppb (8) N/A 6.0 ppb (9) 74.0 ppb (103) 0.3 ppb (4) 89.0 μg/m3 (68) 33.0 μg/m3 (95) 103.0
 
April 17, 2021, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A 4.0 ppb (6) 80.0 ppb (106) 0.3 ppb (4) 102.0 μg/m3 (75) 32.0 μg/m3 (93) 106.0
 
April 17, 2021, 10 p.m. N/A N/A N/A 8.0 ppb (8) N/A 3.0 ppb (5) 85.0 ppb (109) 0.3 ppb (4) 88.0 μg/m3 (68) 26.0 μg/m3 (81) 109.0
 
April 17, 2021, 9 p.m. N/A N/A N/A 7.0 ppb (7) N/A 7.0 ppb (10) 82.0 ppb (107) 0.3 ppb (4) 83.0 μg/m3 (65) 28.0 μg/m3 (85) 107.0
 
April 17, 2021, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 9.0 ppb (13) 85.0 ppb (109) 0.3 ppb (4) 77.0 μg/m3 (62) 36.0 μg/m3 (103) 109.0
 
April 17, 2021, 7 p.m. N/A N/A N/A 10.0 ppb (10) N/A 3.0 ppb (5) 97.0 ppb (115) 0.3 ppb (4) 58.0 μg/m3 (53) 30.0 μg/m3 (89) 115.0
 
April 17, 2021, 6 p.m. N/A N/A N/A 16.0 ppb (16) N/A 3.0 ppb (5) 91.0 ppb (112) 0.4 ppb (5) 61.0 μg/m3 (54) 32.0 μg/m3 (93) 112.0
 
April 17, 2021, 5 p.m. N/A N/A N/A 23.0 ppb (22) N/A 3.0 ppb (5) 72.0 ppb (102) 0.5 ppb (6) 90.0 μg/m3 (69) 48.0 μg/m3 (132) 132.0
 
April 17, 2021, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 44.0 ppb (41) 0.7 ppb (8) 95.0 μg/m3 (71) 47.0 μg/m3 (130) 130.0
 
April 17, 2021, 3 p.m. N/A N/A N/A 68.0 ppb (66) N/A 4.0 ppb (6) 8.0 ppb (8) 1.7 ppb (20) 98.0 μg/m3 (73) 49.0 μg/m3 (135) 135.0
 
April 17, 2021, 2 p.m. N/A N/A N/A 54.0 ppb (51) N/A 5.0 ppb (8) 3.0 ppb (3) 2.5 ppb (29) 89.0 μg/m3 (68) 45.0 μg/m3 (125) 125.0
 
April 17, 2021, 1 p.m. N/A N/A N/A 46.0 ppb (44) N/A 4.0 ppb (6) 2.0 ppb (2) 2.1 ppb (24) 61.0 μg/m3 (54) 35.0 μg/m3 (100) 100.0
 
April 17, 2021, noon N/A N/A N/A 40.0 ppb (38) N/A 2.0 ppb (3) 2.0 ppb (2) 1.1 ppb (13) 61.0 μg/m3 (54) 35.0 μg/m3 (100) 100.0
 
April 17, 2021, 11 a.m. N/A N/A N/A 40.0 ppb (38) N/A 1.0 ppb (2) 4.0 ppb (4) 0.8 ppb (10) 55.0 μg/m3 (51) 33.0 μg/m3 (95) 95.0
 
April 17, 2021, 10 a.m. N/A N/A N/A 29.0 ppb (28) N/A 1.0 ppb (2) 18.0 ppb (17) 0.6 ppb (7) 52.0 μg/m3 (49) 30.0 μg/m3 (89) 89.0
 
April 17, 2021, 9 a.m. N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 21.0 ppb (20) 0.6 ppb (7) 61.0 μg/m3 (54) 33.0 μg/m3 (95) 95.0
 
April 17, 2021, 8 a.m. N/A N/A N/A 30.0 ppb (29) N/A 1.0 ppb (2) 19.0 ppb (18) 0.7 ppb (8) 67.0 μg/m3 (57) 36.0 μg/m3 (103) 103.0
 
April 17, 2021, 7 a.m. N/A N/A N/A 45.0 ppb (43) N/A 1.0 ppb (2) 10.0 ppb (10) 1.0 ppb (12) 60.0 μg/m3 (54) 34.0 μg/m3 (98) 98.0
 
April 17, 2021, 6 a.m. N/A N/A N/A 46.0 ppb (44) N/A 1.0 ppb (2) 11.0 ppb (11) 0.9 ppb (11) 48.0 μg/m3 (45) 28.0 μg/m3 (85) 85.0
 
April 17, 2021, 5 a.m. N/A N/A N/A 29.0 ppb (28) N/A 1.0 ppb (2) 29.0 ppb (27) 0.7 ppb (8) 49.0 μg/m3 (46) 25.0 μg/m3 (79) 79.0
 
April 17, 2021, 4 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 39.0 ppb (37) 0.6 ppb (7) 51.0 μg/m3 (48) 26.0 μg/m3 (81) 81.0
 
April 17, 2021, 3 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 58.0 ppb (61) 0.5 ppb (6) 57.0 μg/m3 (52) 28.0 μg/m3 (85) 85.0
 
April 17, 2021, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 70.0 ppb (100) 0.6 ppb (7) 71.0 μg/m3 (59) 29.0 μg/m3 (87) 100.0
 
April 17, 2021, 1 a.m. N/A N/A N/A 17.0 ppb (17) N/A 2.0 ppb (3) 75.0 ppb (104) 0.5 ppb (6) 63.0 μg/m3 (55) 29.0 μg/m3 (87) 104.0
 
April 17, 2021, midnight N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 84.0 ppb (108) 0.4 ppb (5) 79.0 μg/m3 (63) 33.0 μg/m3 (95) 108.0
 
April 16, 2021, 11 p.m. N/A N/A N/A 13.0 ppb (13) N/A 3.0 ppb (5) 102.0 ppb (118) 0.5 ppb (6) 72.0 μg/m3 (60) 41.0 μg/m3 (115) 118.0
 
April 16, 2021, 10 p.m. N/A N/A N/A 13.0 ppb (13) N/A 11.0 ppb (16) 131.0 ppb (133) 0.4 ppb (5) 74.0 μg/m3 (61) 38.0 μg/m3 (108) 133.0
 
April 16, 2021, 9 p.m. N/A N/A N/A 14.0 ppb (14) N/A 8.0 ppb (12) 123.0 ppb (129) 0.4 ppb (5) 68.0 μg/m3 (58) 39.0 μg/m3 (110) 129.0
 
April 16, 2021, 8 p.m. N/A N/A N/A 15.0 ppb (15) N/A 6.0 ppb (9) 118.0 ppb (126) 0.4 ppb (5) 65.0 μg/m3 (56) 40.0 μg/m3 (113) 126.0
 
April 16, 2021, 7 p.m. N/A N/A N/A 17.0 ppb (17) N/A 2.0 ppb (3) 98.0 ppb (116) 0.4 ppb (5) 71.0 μg/m3 (59) 45.0 μg/m3 (125) 125.0
 
April 16, 2021, 6 p.m. N/A N/A N/A 30.0 ppb (29) N/A 2.0 ppb (3) 82.0 ppb (107) 0.6 ppb (7) 66.0 μg/m3 (57) 37.0 μg/m3 (105) 107.0
 
April 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) 0.6 ppb (7) 104.0 μg/m3 (76) 52.0 μg/m3 (142) 142.0
 
April 16, 2021, 4 p.m. N/A N/A N/A 81.0 ppb (80) N/A 6.0 ppb (9) 24.0 ppb (23) 1.6 ppb (19) 105.0 μg/m3 (76) 44.0 μg/m3 (122) 122.0
 
April 16, 2021, 3 p.m. N/A N/A N/A 61.0 ppb (59) N/A 5.0 ppb (8) 11.0 ppb (11) 1.5 ppb (18) 80.0 μg/m3 (64) 36.0 μg/m3 (103) 103.0
 
April 16, 2021, 2 p.m. N/A N/A N/A 46.0 ppb (44) N/A 5.0 ppb (8) 5.0 ppb (5) 1.3 ppb (15) 59.0 μg/m3 (53) 27.0 μg/m3 (83) 83.0
 
April 16, 2021, 1 p.m. N/A N/A N/A 45.0 ppb (43) N/A 4.0 ppb (6) 2.0 ppb (2) 1.0 ppb (12) 52.0 μg/m3 (49) 29.0 μg/m3 (87) 87.0
 
April 16, 2021, noon N/A N/A N/A 43.0 ppb (41) N/A 4.0 ppb (6) 3.0 ppb (3) 0.8 ppb (10) 51.0 μg/m3 (48) 30.0 μg/m3 (89) 89.0
 
April 16, 2021, 11 a.m. N/A N/A N/A 33.0 ppb (32) N/A 4.0 ppb (6) 12.0 ppb (12) 0.5 ppb (6) 41.0 μg/m3 (38) 22.0 μg/m3 (72) 72.0
 
April 16, 2021, 10 a.m. N/A N/A N/A 21.0 ppb (20) N/A 3.0 ppb (5) 26.0 ppb (25) 0.4 ppb (5) 46.0 μg/m3 (43) 23.0 μg/m3 (74) 74.0
 
April 16, 2021, 9 a.m. N/A N/A N/A 17.0 ppb (17) N/A 4.0 ppb (6) 31.0 ppb (29) 0.4 ppb (5) 66.0 μg/m3 (57) 32.0 μg/m3 (93) 93.0
 
April 16, 2021, 8 a.m. N/A N/A N/A 18.0 ppb (17) N/A 4.0 ppb (6) 31.0 ppb (29) 0.4 ppb (5) 92.0 μg/m3 (70) 56.0 μg/m3 (152) 152.0
 
April 16, 2021, 7 a.m. N/A N/A N/A 28.0 ppb (27) N/A 4.0 ppb (6) 31.0 ppb (29) 0.6 ppb (7) 73.0 μg/m3 (60) 39.0 μg/m3 (110) 110.0
 
April 16, 2021, 6 a.m. N/A N/A N/A 33.0 ppb (32) N/A 4.0 ppb (6) 36.0 ppb (34) 0.7 ppb (8) 62.0 μg/m3 (55) 31.0 μg/m3 (91) 91.0
 
April 16, 2021, 5 a.m. N/A N/A N/A 35.0 ppb (34) N/A 4.0 ppb (6) 34.0 ppb (32) 0.8 ppb (10) 59.0 μg/m3 (53) 26.0 μg/m3 (81) 81.0
 
April 16, 2021, 4 a.m. N/A N/A N/A 21.0 ppb (20) N/A 4.0 ppb (6) 48.0 ppb (45) 0.5 ppb (6) 59.0 μg/m3 (53) 23.0 μg/m3 (74) 74.0
 
April 16, 2021, 3 a.m. N/A N/A N/A 22.0 ppb (21) N/A 3.0 ppb (5) 50.0 ppb (47) 0.5 ppb (6) 48.0 μg/m3 (45) 18.0 μg/m3 (64) 64.0
 
April 16, 2021, 2 a.m. N/A N/A N/A 36.0 ppb (34) N/A 3.0 ppb (5) 40.0 ppb (38) 0.7 ppb (8) 39.0 μg/m3 (37) 16.0 μg/m3 (60) 60.0
 
April 16, 2021, 1 a.m. N/A N/A N/A 25.0 ppb (24) N/A 3.0 ppb (5) 57.0 ppb (58) 0.4 ppb (5) 53.0 μg/m3 (50) 22.0 μg/m3 (72) 72.0
 
April 16, 2021, midnight N/A N/A N/A 16.0 ppb (16) N/A 4.0 ppb (6) 92.0 ppb (113) 0.5 ppb (6) 42.0 μg/m3 (39) 18.0 μg/m3 (64) 113.0
 
April 15, 2021, 11 p.m. N/A N/A N/A 16.0 ppb (16) N/A 4.0 ppb (6) 107.0 ppb (120) 0.4 ppb (5) 51.0 μg/m3 (48) 30.0 μg/m3 (89) 120.0
 
April 15, 2021, 10 p.m. N/A N/A N/A 14.0 ppb (14) N/A 4.0 ppb (6) 112.0 ppb (123) 0.4 ppb (5) 37.0 μg/m3 (35) 21.0 μg/m3 (70) 123.0
 
April 15, 2021, 9 p.m. N/A N/A N/A 15.0 ppb (15) N/A 4.0 ppb (6) 112.0 ppb (123) 0.4 ppb (5) 46.0 μg/m3 (43) 28.0 μg/m3 (85) 123.0
 
April 15, 2021, 8 p.m. N/A N/A N/A 15.0 ppb (15) N/A 4.0 ppb (6) 110.0 ppb (122) 0.4 ppb (5) 41.0 μg/m3 (38) 25.0 μg/m3 (79) 122.0
 
April 15, 2021, 7 p.m. N/A N/A N/A 16.0 ppb (16) N/A 4.0 ppb (6) 85.0 ppb (109) 0.4 ppb (5) 55.0 μg/m3 (51) 28.0 μg/m3 (85) 109.0
 
April 15, 2021, 6 p.m. N/A N/A N/A 22.0 ppb (21) N/A 4.0 ppb (6) 69.0 ppb (97) 0.5 ppb (6) 51.0 μg/m3 (48) 33.0 μg/m3 (95) 97.0
 
April 15, 2021, 5 p.m. N/A N/A N/A 49.0 ppb (47) N/A 4.0 ppb (6) 54.0 ppb (50) 0.9 ppb (11) 65.0 μg/m3 (56) 37.0 μg/m3 (105) 105.0
 
April 15, 2021, 4 p.m. N/A N/A N/A 62.0 ppb (60) N/A 4.0 ppb (6) 34.0 ppb (32) 1.2 ppb (14) 55.0 μg/m3 (51) 33.0 μg/m3 (95) 95.0
 
April 15, 2021, 3 p.m. N/A N/A N/A 52.0 ppb (50) N/A 5.0 ppb (8) 18.0 ppb (17) 1.1 ppb (13) 68.0 μg/m3 (58) 34.0 μg/m3 (98) 98.0
 
April 15, 2021, 2 p.m. N/A N/A N/A 48.0 ppb (46) N/A 5.0 ppb (8) 4.0 ppb (4) 1.5 ppb (18) 58.0 μg/m3 (53) 32.0 μg/m3 (93) 93.0
 
April 15, 2021, 1 p.m. N/A N/A N/A 39.0 ppb (37) N/A 4.0 ppb (6) 2.0 ppb (2) 1.1 ppb (13) 48.0 μg/m3 (45) 28.0 μg/m3 (85) 85.0
 
April 15, 2021, noon N/A N/A N/A 35.0 ppb (34) N/A 4.0 ppb (6) 4.0 ppb (4) 0.7 ppb (8) 27.0 μg/m3 (25) 16.0 μg/m3 (60) 60.0
 
April 15, 2021, 11 a.m. N/A N/A N/A 33.0 ppb (32) N/A 3.0 ppb (5) 14.0 ppb (13) 0.4 ppb (5) 25.0 μg/m3 (24) 14.0 μg/m3 (55) 55.0
 
April 15, 2021, 10 a.m. N/A N/A N/A 20.0 ppb (19) N/A 3.0 ppb (5) 27.0 ppb (25) 0.3 ppb (4) 28.0 μg/m3 (26) 18.0 μg/m3 (64) 64.0