ID: 2351

AQSQID: 800090072

Site Name: Uam Iztapalapa

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

Updated: Sept. 25, 2021, 8:58 a.m.

Location: Mexico City (Centro De Investigación), MX

Reporting: True, Located: True

Current AQI: 42.0

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
Sept. 18, 2021, 7 a.m. N/A N/A N/A 37.0 ppb (35) N/A 1.0 ppb (2) 7.0 ppb (7) 0.3 ppb (4) 17.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2021, 6 a.m. N/A N/A N/A 43.0 ppb (41) N/A 1.0 ppb (2) 6.0 ppb (6) 0.5 ppb (6) 19.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2021, 5 a.m. N/A N/A N/A 47.0 ppb (45) N/A 1.0 ppb (2) 7.0 ppb (7) 0.6 ppb (7) 21.0 μg/m3 (20) 16.0 μg/m3 (60) 60.0
 
Sept. 18, 2021, 4 a.m. N/A N/A N/A 54.0 ppb (51) N/A 1.0 ppb (2) 7.0 ppb (7) 0.7 ppb (8) 24.0 μg/m3 (23) 19.0 μg/m3 (66) 66.0
 
Sept. 18, 2021, 3 a.m. N/A N/A N/A 49.0 ppb (47) N/A 1.0 ppb (2) 9.0 ppb (9) 0.7 ppb (8) 18.0 μg/m3 (17) 15.0 μg/m3 (58) 58.0
 
Sept. 18, 2021, 2 a.m. N/A N/A N/A 42.0 ppb (40) N/A 1.0 ppb (2) 13.0 ppb (13) 0.6 ppb (7) 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2021, 1 a.m. N/A N/A N/A 53.0 ppb (50) N/A 2.0 ppb (3) 5.0 ppb (5) 0.7 ppb (8) 18.0 μg/m3 (17) 11.0 μg/m3 (46) 50.0
 
Sept. 18, 2021, midnight N/A N/A N/A 42.0 ppb (40) N/A 2.0 ppb (3) 17.0 ppb (16) 0.5 ppb (6) 42.0 μg/m3 (39) 31.0 μg/m3 (91) 91.0
 
Sept. 17, 2021, 11 p.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) N/A 0.3 ppb (4) 77.0 μg/m3 (62) 51.0 μg/m3 (140) 140.0
 
Sept. 17, 2021, 10 p.m. N/A N/A N/A 30.0 ppb (29) N/A 3.0 ppb (5) 134.0 ppb (135) 0.5 ppb (6) 88.0 μg/m3 (68) 58.0 μg/m3 (153) 153.0
 
Sept. 17, 2021, 9 p.m. N/A N/A N/A 29.0 ppb (28) N/A 3.0 ppb (5) 133.0 ppb (134) 0.5 ppb (6) 74.0 μg/m3 (61) 53.0 μg/m3 (145) 145.0
 
Sept. 17, 2021, 8 p.m. N/A N/A N/A 32.0 ppb (31) N/A 3.0 ppb (5) 112.0 ppb (123) 0.6 ppb (7) 79.0 μg/m3 (63) 60.0 μg/m3 (154) 154.0
 
Sept. 17, 2021, 7 p.m. N/A N/A N/A 35.0 ppb (34) N/A 3.0 ppb (5) 87.0 ppb (110) 0.6 ppb (7) 74.0 μg/m3 (61) 57.0 μg/m3 (152) 152.0
 
Sept. 17, 2021, 6 p.m. N/A N/A N/A 45.0 ppb (43) N/A 3.0 ppb (5) 55.0 ppb (51) 0.7 ppb (8) 70.0 μg/m3 (59) 52.0 μg/m3 (142) 142.0
 
Sept. 17, 2021, 5 p.m. N/A N/A N/A 50.0 ppb (48) N/A 4.0 ppb (6) 27.0 ppb (25) 0.9 ppb (11) 60.0 μg/m3 (54) 42.0 μg/m3 (118) 118.0
 
Sept. 17, 2021, 4 p.m. N/A N/A N/A 38.0 ppb (36) N/A 4.0 ppb (6) 12.0 ppb (12) 0.8 ppb (10) 36.0 μg/m3 (34) 25.0 μg/m3 (79) 79.0
 
Sept. 17, 2021, 3 p.m. N/A N/A N/A 35.0 ppb (34) N/A 4.0 ppb (6) 6.0 ppb (6) 1.0 ppb (12) 40.0 μg/m3 (38) 33.0 μg/m3 (95) 95.0
 
Sept. 17, 2021, 2 p.m. N/A N/A N/A 32.0 ppb (31) N/A 2.0 ppb (3) 2.0 ppb (2) 1.0 ppb (12) 34.0 μg/m3 (32) 26.0 μg/m3 (81) 81.0
 
Sept. 17, 2021, 1 p.m. N/A N/A N/A 31.0 ppb (30) N/A 2.0 ppb (3) 1.0 ppb (1) 0.8 ppb (10) 21.0 μg/m3 (20) 14.0 μg/m3 (55) 55.0
 
Sept. 17, 2021, noon N/A N/A N/A 29.0 ppb (28) N/A 2.0 ppb (3) 1.0 ppb (1) 0.6 ppb (7) 22.0 μg/m3 (21) 15.0 μg/m3 (58) 58.0
 
Sept. 17, 2021, 11 a.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 2.0 ppb (2) 0.3 ppb (4) 24.0 μg/m3 (23) 15.0 μg/m3 (58) 58.0
 
Sept. 17, 2021, 10 a.m. N/A N/A N/A 30.0 ppb (29) N/A 2.0 ppb (3) 4.0 ppb (4) 0.3 ppb (4) 24.0 μg/m3 (23) 15.0 μg/m3 (58) 58.0
 
Sept. 17, 2021, 9 a.m. N/A N/A N/A 39.0 ppb (37) N/A 100.0 ppb (112) 5.0 ppb (5) 9.6 ppb (103) 18.0 μg/m3 (17) 11.0 μg/m3 (46) 112.0
 
Sept. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 25.0 μg/m3 (24) 15.0 μg/m3 (58) 58.0
 
Sept. 17, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.0 ppb (0) 28.0 μg/m3 (26) 18.0 μg/m3 (64) 64.0
 
Sept. 17, 2021, 6 a.m. N/A N/A N/A 39.0 ppb (37) N/A 2.0 ppb (3) 2.0 ppb (2) 0.6 ppb (7) 40.0 μg/m3 (38) 26.0 μg/m3 (81) 81.0
 
Sept. 17, 2021, 5 a.m. N/A N/A N/A 48.0 ppb (46) N/A 2.0 ppb (3) 1.0 ppb (1) 0.8 ppb (10) 40.0 μg/m3 (38) 25.0 μg/m3 (79) 79.0
 
Sept. 17, 2021, 4 a.m. N/A N/A N/A 41.0 ppb (39) N/A 2.0 ppb (3) 8.0 ppb (8) 0.6 ppb (7) 41.0 μg/m3 (38) 30.0 μg/m3 (89) 89.0
 
Sept. 17, 2021, 3 a.m. N/A N/A N/A 45.0 ppb (43) N/A 2.0 ppb (3) 14.0 ppb (13) 0.5 ppb (6) 50.0 μg/m3 (47) 33.0 μg/m3 (95) 95.0
 
Sept. 17, 2021, 2 a.m. N/A N/A N/A 55.0 ppb (53) N/A 2.0 ppb (3) 16.0 ppb (15) 0.8 ppb (10) 36.0 μg/m3 (34) 27.0 μg/m3 (83) 83.0
 
Sept. 17, 2021, 1 a.m. N/A N/A N/A 42.0 ppb (40) N/A 2.0 ppb (3) 35.0 ppb (33) 0.6 ppb (7) 31.0 μg/m3 (29) 23.0 μg/m3 (74) 74.0
 
Sept. 17, 2021, midnight N/A N/A N/A 35.0 ppb (34) N/A 2.0 ppb (3) 37.0 ppb (35) 0.5 ppb (6) 26.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2021, 11 p.m. N/A N/A N/A 28.0 ppb (27) N/A 2.0 ppb (3) 33.0 ppb (31) 0.4 ppb (5) 40.0 μg/m3 (38) 13.0 μg/m3 (53) 53.0
 
Sept. 16, 2021, 10 p.m. N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 49.0 ppb (46) 0.2 ppb (3) 39.0 μg/m3 (37) 6.0 μg/m3 (25) 46.0
 
Sept. 16, 2021, 9 p.m. N/A N/A N/A 13.0 ppb (13) N/A 2.0 ppb (3) 42.0 ppb (39) 0.0 ppb (0) 34.0 μg/m3 (32) 13.0 μg/m3 (53) 53.0
 
Sept. 16, 2021, 8 p.m. N/A N/A N/A 13.0 ppb (13) N/A 2.0 ppb (3) 55.0 ppb (51) 0.1 ppb (2) 38.0 μg/m3 (36) 22.0 μg/m3 (72) 72.0
 
Sept. 16, 2021, 7 p.m. N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 73.0 ppb (103) 0.2 ppb (3) 49.0 μg/m3 (46) 35.0 μg/m3 (100) 103.0
 
Sept. 16, 2021, 6 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 64.0 ppb (81) 0.2 ppb (3) 50.0 μg/m3 (47) 34.0 μg/m3 (98) 98.0
 
Sept. 16, 2021, 5 p.m. N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 47.0 ppb (44) 0.3 ppb (4) 50.0 μg/m3 (47) 36.0 μg/m3 (103) 103.0
 
Sept. 16, 2021, 4 p.m. N/A N/A N/A 22.0 ppb (21) N/A 3.0 ppb (5) 30.0 ppb (28) 0.3 ppb (4) 35.0 μg/m3 (33) 23.0 μg/m3 (74) 74.0
 
Sept. 16, 2021, 3 p.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (5) 14.0 ppb (13) 0.4 ppb (5) 33.0 μg/m3 (31) 21.0 μg/m3 (70) 70.0
 
Sept. 16, 2021, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 5.0 ppb (5) 0.4 ppb (5) 43.0 μg/m3 (40) 28.0 μg/m3 (85) 85.0
 
Sept. 16, 2021, 1 p.m. N/A N/A N/A 21.0 ppb (20) N/A 2.0 ppb (3) 2.0 ppb (2) 0.4 ppb (5) 46.0 μg/m3 (43) 33.0 μg/m3 (95) 95.0
 
Sept. 16, 2021, noon N/A N/A N/A 21.0 ppb (20) N/A 2.0 ppb (3) 2.0 ppb (2) 0.4 ppb (5) 41.0 μg/m3 (38) 31.0 μg/m3 (91) 91.0
 
Sept. 16, 2021, 11 a.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 5.0 ppb (5) 0.3 ppb (4) 45.0 μg/m3 (42) 34.0 μg/m3 (98) 98.0
 
Sept. 16, 2021, 10 a.m. N/A N/A N/A 21.0 ppb (20) N/A 2.0 ppb (3) 6.0 ppb (6) 0.3 ppb (4) 69.0 μg/m3 (58) 55.0 μg/m3 (150) 150.0
 
Sept. 16, 2021, 9 a.m. N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) 3.0 ppb (3) 0.4 ppb (5) 105.0 μg/m3 (76) 74.0 μg/m3 (161) 161.0
 
Sept. 16, 2021, 8 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 3.0 ppb (3) 0.5 ppb (6) 76.0 μg/m3 (62) 61.0 μg/m3 (154) 154.0
 
Sept. 16, 2021, 7 a.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 6.0 ppb (6) 0.4 ppb (5) 67.0 μg/m3 (57) 52.0 μg/m3 (142) 142.0
 
Sept. 16, 2021, 6 a.m. N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) 7.0 ppb (7) 0.4 ppb (5) 87.0 μg/m3 (67) 66.0 μg/m3 (157) 157.0
 
Sept. 16, 2021, 5 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 8.0 ppb (8) 0.5 ppb (6) 72.0 μg/m3 (60) 47.0 μg/m3 (130) 130.0
 
Sept. 16, 2021, 4 a.m. N/A N/A N/A 32.0 ppb (31) N/A 2.0 ppb (3) 9.0 ppb (9) 0.5 ppb (6) 45.0 μg/m3 (42) 23.0 μg/m3 (74) 74.0
 
Sept. 16, 2021, 3 a.m. N/A N/A N/A 34.0 ppb (33) N/A 2.0 ppb (3) 10.0 ppb (10) 0.5 ppb (6) 32.0 μg/m3 (30) 16.0 μg/m3 (60) 60.0
 
Sept. 16, 2021, 2 a.m. N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) 15.0 ppb (14) 0.4 ppb (5) 26.0 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
Sept. 16, 2021, 1 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 22.0 ppb (21) 0.3 ppb (4) 30.0 μg/m3 (28) 5.0 μg/m3 (21) 28.0
 
Sept. 16, 2021, midnight N/A N/A N/A 17.0 ppb (17) N/A 2.0 ppb (3) 29.0 ppb (27) 0.2 ppb (3) 37.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2021, 11 p.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 34.0 ppb (32) 0.1 ppb (2) 32.0 μg/m3 (30) 8.0 μg/m3 (34) 34.0
 
Sept. 15, 2021, 10 p.m. N/A N/A N/A 15.0 ppb (15) N/A 2.0 ppb (3) 33.0 ppb (31) 0.1 ppb (2) 24.0 μg/m3 (23) 8.0 μg/m3 (34) 34.0
 
Sept. 15, 2021, 9 p.m. N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 39.0 ppb (37) 0.1 ppb (2) 45.0 μg/m3 (42) 9.0 μg/m3 (38) 42.0
 
Sept. 15, 2021, 8 p.m. N/A N/A N/A 15.0 ppb (15) N/A 2.0 ppb (3) 47.0 ppb (44) 0.1 ppb (2) 45.0 μg/m3 (42) 28.0 μg/m3 (85) 85.0
 
Sept. 15, 2021, 7 p.m. N/A N/A N/A 22.0 ppb (21) N/A 3.0 ppb (5) 79.0 ppb (106) 0.3 ppb (4) 56.0 μg/m3 (52) 33.0 μg/m3 (95) 106.0
 
Sept. 15, 2021, 6 p.m. N/A N/A N/A 35.0 ppb (34) N/A 3.0 ppb (5) 65.0 ppb (84) 0.5 ppb (6) 55.0 μg/m3 (51) 36.0 μg/m3 (103) 103.0
 
Sept. 15, 2021, 5 p.m. N/A N/A N/A 30.0 ppb (29) N/A 3.0 ppb (5) 40.0 ppb (38) 0.5 ppb (6) 50.0 μg/m3 (47) 30.0 μg/m3 (89) 89.0
 
Sept. 15, 2021, 4 p.m. N/A N/A N/A 37.0 ppb (35) N/A 3.0 ppb (5) 19.0 ppb (18) 0.7 ppb (8) 29.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2021, 3 p.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 8.0 ppb (8) 0.7 ppb (8) 36.0 μg/m3 (34) 8.0 μg/m3 (34) 34.0
 
Sept. 15, 2021, 2 p.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 3.0 ppb (3) 0.9 ppb (11) 23.0 μg/m3 (22) 7.0 μg/m3 (30) 30.0
 
Sept. 15, 2021, 1 p.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 1.0 ppb (1) 0.8 ppb (10) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2021, noon N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 1.0 ppb (1) 0.4 ppb (5) 10.0 μg/m3 (10) 3.0 μg/m3 (13) 22.0
 
Sept. 15, 2021, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 1.0 ppb (1) 0.2 ppb (3) 13.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
Sept. 15, 2021, 10 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 2.0 ppb (2) 0.2 ppb (3) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2021, 9 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 7.0 ppb (7) 0.1 ppb (2) 8.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2021, 8 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 8.0 ppb (8) 0.1 ppb (2) 10.0 μg/m3 (10) 3.0 μg/m3 (13) 17.0
 
Sept. 15, 2021, 7 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 6.0 ppb (6) 0.2 ppb (3) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2021, 6 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 5.0 ppb (5) 0.2 ppb (3) 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2021, 5 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 2.0 ppb (2) 0.4 ppb (5) 18.0 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
Sept. 15, 2021, 4 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 4.0 ppb (4) 0.4 ppb (5) 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2021, 3 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 5.0 ppb (5) 0.4 ppb (5) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 22.0
 
Sept. 15, 2021, 2 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 12.0 ppb (12) 0.2 ppb (3) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2021, 1 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 14.0 ppb (13) 0.1 ppb (2) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2021, midnight N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 21.0 ppb (20) 0.1 ppb (2) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2021, 11 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 27.0 ppb (25) 0.1 ppb (2) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 25.0
 
Sept. 14, 2021, 10 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 29.0 ppb (27) 0.1 ppb (2) 11.0 μg/m3 (11) 3.0 μg/m3 (13) 27.0
 
Sept. 14, 2021, 9 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 29.0 ppb (27) 0.0 ppb (0) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 27.0
 
Sept. 14, 2021, 8 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 29.0 ppb (27) 0.0 ppb (0) 15.0 μg/m3 (14) 3.0 μg/m3 (13) 27.0
 
Sept. 14, 2021, 7 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 28.0 ppb (26) 0.0 ppb (0) N/A N/A 26.0
 
Sept. 14, 2021, 6 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 24.0 ppb (23) 0.0 ppb (0) 11.0 μg/m3 (11) 3.0 μg/m3 (13) 23.0
 
Sept. 14, 2021, 5 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 28.0 ppb (26) 0.0 ppb (0) 7.0 μg/m3 (7) 1.0 μg/m3 (5) 26.0
 
Sept. 14, 2021, 4 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 22.0 ppb (21) 0.1 ppb (2) 15.0 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
Sept. 14, 2021, 3 p.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 14.0 ppb (13) 0.2 ppb (3) 9.0 μg/m3 (9) 0.0 μg/m3 (0) 16.0
 
Sept. 14, 2021, 2 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 8.0 ppb (8) 0.3 ppb (4) 6.0 μg/m3 (6) N/A 17.0
 
Sept. 14, 2021, 1 p.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 2.0 ppb (2) 0.4 ppb (5) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 22.0
 
Sept. 14, 2021, noon N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 3.0 ppb (3) 0.2 ppb (3) 8.0 μg/m3 (8) 4.0 μg/m3 (17) 20.0
 
Sept. 14, 2021, 11 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 7.0 ppb (7) 0.1 ppb (2) 7.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2021, 10 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 11.0 ppb (11) 0.0 ppb (0) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
Sept. 14, 2021, 9 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 6.0 ppb (6) 0.1 ppb (2) 1.0 μg/m3 (1) N/A 15.0
 
Sept. 14, 2021, 8 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 14.0 ppb (13) 0.0 ppb (0) 4.0 μg/m3 (4) 3.0 μg/m3 (13) 13.0
 
Sept. 14, 2021, 7 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 15.0 ppb (14) 0.0 ppb (0) 0.0 μg/m3 (0) N/A 14.0
 
Sept. 14, 2021, 6 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 14.0 ppb (13) 0.0 ppb (0) 3.0 μg/m3 (3) 1.0 μg/m3 (5) 13.0
 
Sept. 14, 2021, 5 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 15.0 ppb (14) 0.0 ppb (0) 3.0 μg/m3 (3) N/A 14.0
 
Sept. 14, 2021, 4 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 13.0 ppb (13) 0.1 ppb (2) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2021, 3 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 11.0 ppb (11) 0.1 ppb (2) 13.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2021, 2 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 12.0 ppb (12) 0.1 ppb (2) 9.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2021, 1 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 12.0 ppb (12) 0.1 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 15.0
 
Sept. 14, 2021, midnight N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 17.0 ppb (16) 0.1 ppb (2) 10.0 μg/m3 (10) 3.0 μg/m3 (13) 16.0
 
Sept. 13, 2021, 11 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 18.0 ppb (17) 0.1 ppb (2) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2021, 10 p.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 16.0 ppb (15) 0.1 ppb (2) 21.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
Sept. 13, 2021, 9 p.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 21.0 ppb (20) 0.1 ppb (2) 19.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2021, 8 p.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 19.0 ppb (18) 0.1 ppb (2) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 18.0
 
Sept. 13, 2021, 7 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 22.0 ppb (21) 0.1 ppb (2) 12.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2021, 6 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 24.0 ppb (23) 0.1 ppb (2) N/A N/A 23.0
 
Sept. 13, 2021, 5 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 20.0 ppb (19) 0.1 ppb (2) 15.0 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
Sept. 13, 2021, 4 p.m. N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 16.0 ppb (15) 0.4 ppb (5) 18.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2021, 3 p.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 7.0 ppb (7) 0.7 ppb (8) 19.0 μg/m3 (18) 13.0 μg/m3 (53) 53.0
 
Sept. 13, 2021, 2 p.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 4.0 ppb (4) 0.6 ppb (7) 17.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2021, 1 p.m. N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 2.0 ppb (2) 0.5 ppb (6) 18.0 μg/m3 (17) 13.0 μg/m3 (53) 53.0
 
Sept. 13, 2021, noon N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 2.0 ppb (2) 0.3 ppb (4) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 26.0
 
Sept. 13, 2021, 11 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 7.0 ppb (7) 0.1 ppb (2) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2021, 10 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 12.0 ppb (12) 0.1 ppb (2) 4.0 μg/m3 (4) 2.0 μg/m3 (9) 17.0
 
Sept. 13, 2021, 9 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 12.0 ppb (12) 0.0 ppb (0) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 16.0
 
Sept. 13, 2021, 8 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 13.0 ppb (13) 0.0 ppb (0) 9.0 μg/m3 (9) 7.0 μg/m3 (30) 30.0
 
Sept. 13, 2021, 7 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 13.0 ppb (13) 0.1 ppb (2) 5.0 μg/m3 (5) 3.0 μg/m3 (13) 17.0
 
Sept. 13, 2021, 6 a.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 6.0 ppb (6) 0.2 ppb (3) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 25.0
 
Sept. 13, 2021, 5 a.m. N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 5.0 ppb (5) 0.3 ppb (4) 14.0 μg/m3 (13) 12.0 μg/m3 (50) 50.0
 
Sept. 13, 2021, 4 a.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 5.0 ppb (5) 0.3 ppb (4) 13.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2021, 3 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 14.0 ppb (13) 0.1 ppb (2) 13.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2021, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 17.0 ppb (16) 0.2 ppb (3) 13.0 μg/m3 (13) N/A 19.0
 
Sept. 13, 2021, 1 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 24.0 ppb (23) 0.1 ppb (2) 11.0 μg/m3 (11) N/A 23.0
 
Sept. 13, 2021, midnight N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 32.0 ppb (30) 0.1 ppb (2) 18.0 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
Sept. 12, 2021, 11 p.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 40.0 ppb (38) 0.1 ppb (2) 17.0 μg/m3 (16) 8.0 μg/m3 (34) 38.0
 
Sept. 12, 2021, 10 p.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 46.0 ppb (43) 0.1 ppb (2) 16.0 μg/m3 (15) 8.0 μg/m3 (34) 43.0
 
Sept. 12, 2021, 9 p.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 48.0 ppb (45) 0.1 ppb (2) 17.0 μg/m3 (16) 10.0 μg/m3 (42) 45.0
 
Sept. 12, 2021, 8 p.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 47.0 ppb (44) 0.1 ppb (2) 18.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2021, 7 p.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 41.0 ppb (38) 0.1 ppb (2) 8.0 μg/m3 (8) 1.0 μg/m3 (5) 38.0
 
Sept. 12, 2021, 6 p.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 37.0 ppb (35) 0.1 ppb (2) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2021, 5 p.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 34.0 ppb (32) 0.1 ppb (2) 3.0 μg/m3 (3) N/A 32.0
 
Sept. 12, 2021, 4 p.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 31.0 ppb (29) 0.1 ppb (2) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 29.0
 
Sept. 12, 2021, 3 p.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 22.0 ppb (21) 0.2 ppb (3) 10.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Sept. 12, 2021, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 19.0 ppb (18) 0.1 ppb (2) 14.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Sept. 12, 2021, 1 p.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 16.0 ppb (15) 0.1 ppb (2) 7.0 μg/m3 (7) 3.0 μg/m3 (13) 20.0
 
Sept. 12, 2021, noon N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 20.0 ppb (19) 0.1 ppb (2) 1.0 μg/m3 (1) N/A 19.0
 
Sept. 12, 2021, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 22.0 ppb (21) 0.1 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 21.0
 
Sept. 12, 2021, 10 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 22.0 ppb (21) 0.0 ppb (0) 5.0 μg/m3 (5) 3.0 μg/m3 (13) 21.0
 
Sept. 12, 2021, 9 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 28.0 ppb (26) 0.0 ppb (0) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 26.0
 
Sept. 12, 2021, 8 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 26.0 ppb (25) 0.0 ppb (0) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 25.0
 
Sept. 12, 2021, 7 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 25.0 ppb (24) 0.0 ppb (0) 10.0 μg/m3 (10) 5.0 μg/m3 (21) 24.0
 
Sept. 12, 2021, 6 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 25.0 ppb (24) 0.1 ppb (2) 7.0 μg/m3 (7) 2.0 μg/m3 (9) 24.0
 
Sept. 12, 2021, 5 a.m. N/A N/A N/A 15.0 ppb (15) N/A 2.0 ppb (3) 25.0 ppb (24) 0.2 ppb (3) 9.0 μg/m3 (9) 1.0 μg/m3 (5) 24.0
 
Sept. 12, 2021, 4 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 25.0 ppb (24) 0.1 ppb (2) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 24.0
 
Sept. 12, 2021, 3 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 25.0 ppb (24) 0.1 ppb (2) 18.0 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
Sept. 12, 2021, 2 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 26.0 ppb (25) 0.1 ppb (2) 24.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Sept. 12, 2021, 1 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 26.0 ppb (25) 0.2 ppb (3) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2021, midnight N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 32.0 ppb (30) 0.1 ppb (2) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 30.0
 
Sept. 11, 2021, 11 p.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 36.0 ppb (34) 0.1 ppb (2) 13.0 μg/m3 (13) 3.0 μg/m3 (13) 34.0
 
Sept. 11, 2021, 10 p.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 36.0 ppb (34) 0.1 ppb (2) 36.0 μg/m3 (34) 13.0 μg/m3 (53) 53.0
 
Sept. 11, 2021, 9 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 53.0 ppb (50) 0.1 ppb (2) 27.0 μg/m3 (25) 11.0 μg/m3 (46) 50.0
 
Sept. 11, 2021, 8 p.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 69.0 ppb (97) 0.1 ppb (2) 29.0 μg/m3 (27) 13.0 μg/m3 (53) 97.0
 
Sept. 11, 2021, 7 p.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 66.0 ppb (87) 0.2 ppb (3) 27.0 μg/m3 (25) 13.0 μg/m3 (53) 87.0
 
Sept. 11, 2021, 6 p.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 51.0 ppb (48) 0.1 ppb (2) 21.0 μg/m3 (20) 11.0 μg/m3 (46) 48.0
 
Sept. 11, 2021, 5 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 42.0 ppb (39) 0.1 ppb (2) 27.0 μg/m3 (25) 14.0 μg/m3 (55) 55.0
 
Sept. 11, 2021, 4 p.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 34.0 ppb (32) 0.2 ppb (3) 23.0 μg/m3 (22) 8.0 μg/m3 (34) 34.0
 
Sept. 11, 2021, 3 p.m. N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 24.0 ppb (23) 0.3 ppb (4) 32.0 μg/m3 (30) 11.0 μg/m3 (46) 46.0
 
Sept. 11, 2021, 2 p.m. N/A N/A N/A 37.0 ppb (35) N/A 1.0 ppb (2) 14.0 ppb (13) 0.4 ppb (5) 21.0 μg/m3 (20) 13.0 μg/m3 (53) 53.0
 
Sept. 11, 2021, 1 p.m. N/A N/A N/A 29.0 ppb (28) N/A 1.0 ppb (2) 17.0 ppb (16) 0.2 ppb (3) 22.0 μg/m3 (21) 13.0 μg/m3 (53) 53.0
 
Sept. 11, 2021, noon N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 15.0 ppb (14) 0.2 ppb (3) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Sept. 11, 2021, 11 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 24.0 ppb (23) 0.1 ppb (2) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 23.0
 
Sept. 11, 2021, 10 a.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 27.0 ppb (25) 0.1 ppb (2) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Sept. 11, 2021, 9 a.m. N/A N/A N/A 36.0 ppb (34) N/A 98.0 ppb (111) N/A 9.7 ppb (105) 11.0 μg/m3 (11) 6.0 μg/m3 (25) 111.0
 
Sept. 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 14.0 μg/m3 (13) 8.0 μg/m3 (34) 45.0