ID: 2351

AQSQID: 800090072

Site Name: Uam Iztapalapa

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

Updated: July 30, 2021, 8 p.m.

Location: Mexico City (Centro De Investigación), MX

Reporting: True, Located: True

Current AQI: 33.0

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
July 30, 2021, 3 p.m. N/A N/A N/A 34.0 ppb (33) N/A 1.0 ppb (2) 9.0 ppb (9) 0.7 ppb (8) 17.0 μg/m3 (16) 6.0 μg/m3 (25) 33.0
 
July 30, 2021, 2 p.m. N/A N/A N/A 30.0 ppb (29) N/A 1.0 ppb (2) 8.0 ppb (8) 0.6 ppb (7) 25.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
July 30, 2021, 1 p.m. N/A N/A N/A 32.0 ppb (31) N/A 1.0 ppb (2) 2.0 ppb (2) 0.6 ppb (7) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 31.0
 
July 30, 2021, noon N/A N/A N/A 30.0 ppb (29) N/A 1.0 ppb (2) 4.0 ppb (4) 0.4 ppb (5) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 29.0
 
July 30, 2021, 11 a.m. N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 13.0 ppb (13) 0.2 ppb (3) 10.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
July 30, 2021, 10 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 19.0 ppb (18) 0.2 ppb (3) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 18.0
 
July 30, 2021, 9 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 24.0 ppb (23) 0.1 ppb (2) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 23.0
 
July 30, 2021, 8 a.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) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 21.0
 
July 30, 2021, 7 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 24.0 ppb (23) 0.1 ppb (2) 11.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
July 30, 2021, 6 a.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 22.0 ppb (21) 0.2 ppb (3) 19.0 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
July 30, 2021, 5 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 19.0 ppb (18) 0.3 ppb (4) 18.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
July 30, 2021, 4 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 21.0 ppb (20) 0.3 ppb (4) 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
July 30, 2021, 3 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 21.0 ppb (20) 0.3 ppb (4) 18.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
July 30, 2021, 2 a.m. N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 26.0 ppb (25) 0.4 ppb (5) 38.0 μg/m3 (36) 7.0 μg/m3 (30) 36.0
 
July 30, 2021, 1 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 30.0 ppb (28) 0.3 ppb (4) 39.0 μg/m3 (37) 6.0 μg/m3 (25) 37.0
 
July 30, 2021, midnight N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 39.0 ppb (37) 0.3 ppb (4) 24.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
July 29, 2021, 11 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 54.0 ppb (50) 0.2 ppb (3) 27.0 μg/m3 (25) 11.0 μg/m3 (46) 50.0
 
July 29, 2021, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 64.0 ppb (81) 0.2 ppb (3) 28.0 μg/m3 (26) 14.0 μg/m3 (55) 81.0
 
July 29, 2021, 9 p.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 67.0 ppb (91) 0.2 ppb (3) 36.0 μg/m3 (34) 23.0 μg/m3 (74) 91.0
 
July 29, 2021, 8 p.m. N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 75.0 ppb (104) 0.3 ppb (4) 41.0 μg/m3 (38) 28.0 μg/m3 (85) 104.0
 
July 29, 2021, 7 p.m. N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 67.0 ppb (91) 0.4 ppb (5) 39.0 μg/m3 (37) 25.0 μg/m3 (79) 91.0
 
July 29, 2021, 6 p.m. N/A N/A N/A 32.0 ppb (31) N/A 1.0 ppb (2) 48.0 ppb (45) 0.5 ppb (6) 43.0 μg/m3 (40) 26.0 μg/m3 (81) 81.0
 
July 29, 2021, 5 p.m. N/A N/A N/A 36.0 ppb (34) N/A 1.0 ppb (2) 29.0 ppb (27) 0.7 ppb (8) 35.0 μg/m3 (33) 18.0 μg/m3 (64) 64.0
 
July 29, 2021, 4 p.m. N/A N/A N/A 31.0 ppb (30) N/A 2.0 ppb (3) 16.0 ppb (15) 0.6 ppb (7) 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
July 29, 2021, 3 p.m. N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 8.0 ppb (8) 0.5 ppb (6) 26.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
July 29, 2021, 2 p.m. N/A N/A N/A 30.0 ppb (29) N/A 1.0 ppb (2) 4.0 ppb (4) 0.8 ppb (10) 34.0 μg/m3 (32) 19.0 μg/m3 (66) 66.0
 
July 29, 2021, 1 p.m. N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 2.0 ppb (2) 1.0 ppb (12) 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
July 29, 2021, noon N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 2.0 ppb (2) 0.7 ppb (8) 22.0 μg/m3 (21) 14.0 μg/m3 (55) 55.0
 
July 29, 2021, 11 a.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 5.0 ppb (5) 0.4 ppb (5) 21.0 μg/m3 (20) 15.0 μg/m3 (58) 58.0
 
July 29, 2021, 10 a.m. N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 9.0 ppb (9) 0.3 ppb (4) 19.0 μg/m3 (18) 14.0 μg/m3 (55) 55.0
 
July 29, 2021, 9 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 11.0 ppb (11) 0.3 ppb (4) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
July 29, 2021, 8 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 13.0 ppb (13) 0.3 ppb (4) 24.0 μg/m3 (23) 15.0 μg/m3 (58) 58.0
 
July 29, 2021, 7 a.m. N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 16.0 ppb (15) 0.3 ppb (4) 28.0 μg/m3 (26) 16.0 μg/m3 (60) 60.0
 
July 29, 2021, 6 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 15.0 ppb (14) 0.3 ppb (4) 28.0 μg/m3 (26) 14.0 μg/m3 (55) 55.0
 
July 29, 2021, 5 a.m. N/A N/A N/A 29.0 ppb (28) N/A 1.0 ppb (2) 10.0 ppb (10) 0.4 ppb (5) 29.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
July 29, 2021, 4 a.m. N/A N/A N/A 39.0 ppb (37) N/A 1.0 ppb (2) 5.0 ppb (5) 0.6 ppb (7) 31.0 μg/m3 (29) 15.0 μg/m3 (58) 58.0
 
July 29, 2021, 3 a.m. N/A N/A N/A 47.0 ppb (45) N/A 1.0 ppb (2) 2.0 ppb (2) 1.0 ppb (12) 25.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
July 29, 2021, 2 a.m. N/A N/A N/A 48.0 ppb (46) N/A 1.0 ppb (2) 3.0 ppb (3) 1.0 ppb (12) 23.0 μg/m3 (22) 15.0 μg/m3 (58) 58.0
 
July 29, 2021, 1 a.m. N/A N/A N/A 35.0 ppb (34) N/A 1.0 ppb (2) 19.0 ppb (18) 0.7 ppb (8) 24.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
July 29, 2021, midnight N/A N/A N/A 44.0 ppb (42) N/A 1.0 ppb (2) 10.0 ppb (10) 1.0 ppb (12) 46.0 μg/m3 (43) 19.0 μg/m3 (66) 66.0
 
July 28, 2021, 11 p.m. N/A N/A N/A 25.0 ppb (24) N/A 1.0 ppb (2) N/A 0.4 ppb (5) 33.0 μg/m3 (31) 18.0 μg/m3 (64) 64.0
 
July 28, 2021, 10 p.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 72.0 ppb (102) 0.3 ppb (4) 30.0 μg/m3 (28) 17.0 μg/m3 (62) 102.0
 
July 28, 2021, 5 p.m. N/A N/A N/A 34.0 ppb (33) N/A 1.0 ppb (2) 38.0 ppb (36) 0.6 ppb (7) 45.0 μg/m3 (42) 26.0 μg/m3 (81) 81.0
 
July 28, 2021, 4 p.m. N/A N/A N/A 34.0 ppb (33) N/A 1.0 ppb (2) 20.0 ppb (19) 0.7 ppb (8) 35.0 μg/m3 (33) 19.0 μg/m3 (66) 66.0
 
July 28, 2021, 3 p.m. N/A N/A N/A 30.0 ppb (29) N/A 1.0 ppb (2) 12.0 ppb (12) 0.6 ppb (7) 29.0 μg/m3 (27) 14.0 μg/m3 (55) 55.0
 
July 28, 2021, 2 p.m. N/A N/A N/A 33.0 ppb (32) N/A 1.0 ppb (2) 7.0 ppb (7) 0.5 ppb (6) 29.0 μg/m3 (27) 15.0 μg/m3 (58) 58.0
 
July 28, 2021, 1 p.m. N/A N/A N/A 33.0 ppb (32) N/A 1.0 ppb (2) 3.0 ppb (3) 0.5 ppb (6) 27.0 μg/m3 (25) 16.0 μg/m3 (60) 60.0
 
July 28, 2021, noon N/A N/A N/A 30.0 ppb (29) N/A 1.0 ppb (2) 4.0 ppb (4) 0.4 ppb (5) 19.0 μg/m3 (18) 13.0 μg/m3 (53) 53.0
 
July 28, 2021, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 19.0 ppb (18) 0.2 ppb (3) 20.0 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
July 28, 2021, 10 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 18.0 ppb (17) 0.2 ppb (3) 22.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
July 28, 2021, 9 a.m. N/A N/A N/A 25.0 ppb (24) N/A 1.0 ppb (2) 17.0 ppb (16) 0.2 ppb (3) 22.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
July 28, 2021, 8 a.m. N/A N/A N/A 25.0 ppb (24) N/A 1.0 ppb (2) 18.0 ppb (17) 0.2 ppb (3) 15.0 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
July 28, 2021, 7 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 28.0 ppb (26) 0.2 ppb (3) 15.0 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
July 28, 2021, 6 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 27.0 ppb (25) 0.2 ppb (3) 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
July 28, 2021, 5 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 24.0 ppb (23) 0.2 ppb (3) 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
July 28, 2021, 4 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 25.0 ppb (24) 0.3 ppb (4) 28.0 μg/m3 (26) 15.0 μg/m3 (58) 58.0
 
July 28, 2021, 3 a.m. N/A N/A N/A 43.0 ppb (41) N/A 1.0 ppb (2) 18.0 ppb (17) 0.7 ppb (8) 27.0 μg/m3 (25) 17.0 μg/m3 (62) 62.0
 
July 28, 2021, 2 a.m. N/A N/A N/A 36.0 ppb (34) N/A 1.0 ppb (2) 30.0 ppb (28) 0.6 ppb (7) 29.0 μg/m3 (27) 16.0 μg/m3 (60) 60.0
 
July 28, 2021, 1 a.m. N/A N/A N/A 33.0 ppb (32) N/A 1.0 ppb (2) 37.0 ppb (35) 0.6 ppb (7) 38.0 μg/m3 (36) 16.0 μg/m3 (60) 60.0
 
July 28, 2021, midnight N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 47.0 ppb (44) 0.5 ppb (6) 41.0 μg/m3 (38) 14.0 μg/m3 (55) 55.0
 
July 27, 2021, 11 p.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 58.0 ppb (61) 0.3 ppb (4) 43.0 μg/m3 (40) 17.0 μg/m3 (62) 62.0
 
July 27, 2021, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 76.0 ppb (104) 0.3 ppb (4) 31.0 μg/m3 (29) 17.0 μg/m3 (62) 104.0
 
July 27, 2021, 9 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 79.0 ppb (106) 0.2 ppb (3) 36.0 μg/m3 (34) 25.0 μg/m3 (79) 106.0
 
July 27, 2021, 8 p.m. N/A N/A N/A 22.0 ppb (21) N/A 4.0 ppb (6) 83.0 ppb (108) 0.3 ppb (4) 39.0 μg/m3 (37) 29.0 μg/m3 (87) 108.0
 
July 27, 2021, 7 p.m. N/A N/A N/A 24.0 ppb (23) N/A 3.0 ppb (5) 80.0 ppb (106) 0.4 ppb (5) 50.0 μg/m3 (47) 37.0 μg/m3 (105) 106.0
 
July 27, 2021, 6 p.m. N/A N/A N/A 38.0 ppb (36) N/A 1.0 ppb (2) 59.0 ppb (65) 0.6 ppb (7) 54.0 μg/m3 (50) 38.0 μg/m3 (108) 108.0
 
July 23, 2021, 9 p.m. N/A N/A N/A 31.0 ppb (30) N/A 2.0 ppb (3) 107.0 ppb (120) 0.5 ppb (6) 80.0 μg/m3 (64) 52.0 μg/m3 (142) 142.0
 
July 23, 2021, 8 p.m. N/A N/A N/A 38.0 ppb (36) N/A 2.0 ppb (3) 96.0 ppb (115) 0.7 ppb (8) 90.0 μg/m3 (69) 59.0 μg/m3 (153) 153.0
 
July 23, 2021, 7 p.m. N/A N/A N/A 49.0 ppb (47) N/A 3.0 ppb (5) 71.0 ppb (101) 0.8 ppb (10) 87.0 μg/m3 (67) 55.0 μg/m3 (150) 150.0
 
July 23, 2021, 6 p.m. N/A N/A N/A 47.0 ppb (45) N/A 3.0 ppb (5) 54.0 ppb (50) 0.8 ppb (10) 85.0 μg/m3 (66) 53.0 μg/m3 (145) 145.0
 
July 23, 2021, 5 p.m. N/A N/A N/A 52.0 ppb (50) N/A 5.0 ppb (8) 29.0 ppb (27) 0.9 ppb (11) 81.0 μg/m3 (64) 49.0 μg/m3 (135) 135.0
 
July 23, 2021, 4 p.m. N/A N/A N/A 41.0 ppb (39) N/A 4.0 ppb (6) 15.0 ppb (14) 0.8 ppb (10) 62.0 μg/m3 (55) 31.0 μg/m3 (91) 91.0
 
July 23, 2021, 3 p.m. N/A N/A N/A 36.0 ppb (34) N/A 3.0 ppb (5) 7.0 ppb (7) 0.7 ppb (8) 56.0 μg/m3 (52) 25.0 μg/m3 (79) 79.0
 
July 23, 2021, 2 p.m. N/A N/A N/A 33.0 ppb (32) N/A 3.0 ppb (5) 4.0 ppb (4) 0.8 ppb (10) 48.0 μg/m3 (45) 20.0 μg/m3 (68) 68.0
 
July 23, 2021, 1 p.m. N/A N/A N/A 31.0 ppb (30) N/A 2.0 ppb (3) 2.0 ppb (2) 1.2 ppb (14) 36.0 μg/m3 (34) 17.0 μg/m3 (62) 62.0
 
July 23, 2021, noon N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 1.0 ppb (1) 0.6 ppb (7) 35.0 μg/m3 (33) 19.0 μg/m3 (66) 66.0
 
July 23, 2021, 11 a.m. N/A N/A N/A 33.0 ppb (32) N/A 1.0 ppb (2) 2.0 ppb (2) 0.4 ppb (5) 32.0 μg/m3 (30) 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 10 a.m. N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 7.0 ppb (7) 0.3 ppb (4) 35.0 μg/m3 (33) 15.0 μg/m3 (58) 58.0
 
July 23, 2021, 9 a.m. N/A N/A N/A 35.0 ppb (34) N/A 1.0 ppb (2) 7.0 ppb (7) 0.3 ppb (4) 36.0 μg/m3 (34) 14.0 μg/m3 (55) 55.0
 
July 23, 2021, 8 a.m. N/A N/A N/A 33.0 ppb (32) N/A 1.0 ppb (2) 10.0 ppb (10) 0.2 ppb (3) 42.0 μg/m3 (39) 19.0 μg/m3 (66) 66.0
 
July 23, 2021, 7 a.m. N/A N/A N/A 38.0 ppb (36) N/A 1.0 ppb (2) 6.0 ppb (6) 0.3 ppb (4) 41.0 μg/m3 (38) 18.0 μg/m3 (64) 64.0
 
July 23, 2021, 6 a.m. N/A N/A N/A 42.0 ppb (40) N/A 1.0 ppb (2) 4.0 ppb (4) N/A 37.0 μg/m3 (35) 15.0 μg/m3 (58) 58.0
 
July 23, 2021, 5 a.m. N/A N/A N/A 43.0 ppb (41) N/A 1.0 ppb (2) 4.0 ppb (4) N/A 34.0 μg/m3 (32) 15.0 μg/m3 (58) 58.0
 
July 23, 2021, 4 a.m. N/A N/A N/A 42.0 ppb (40) N/A 1.0 ppb (2) 6.0 ppb (6) N/A 38.0 μg/m3 (36) 20.0 μg/m3 (68) 68.0
 
July 23, 2021, 3 a.m. N/A N/A N/A 55.0 ppb (53) N/A 1.0 ppb (2) 4.0 ppb (4) N/A 37.0 μg/m3 (35) 21.0 μg/m3 (70) 70.0
 
July 23, 2021, 2 a.m. N/A N/A N/A 57.0 ppb (55) N/A 1.0 ppb (2) 7.0 ppb (7) N/A 30.0 μg/m3 (28) 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 25.0 ppb (24) N/A 36.0 μg/m3 (34) 19.0 μg/m3 (66) 66.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 30.0 ppb (28) N/A 36.0 μg/m3 (34) 20.0 μg/m3 (68) 68.0
 
July 22, 2021, 11 p.m. N/A N/A N/A 44.0 ppb (42) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 25.0 μg/m3 (24) 17.0 μg/m3 (62) 62.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 22.0 μg/m3 (72) 72.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 23.0 μg/m3 (74) 74.0
 
July 22, 2021, 6 p.m. N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 56.0 ppb (55) N/A 38.0 μg/m3 (36) 22.0 μg/m3 (72) 72.0
 
July 22, 2021, 5 p.m. N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 37.0 ppb (35) N/A 42.0 μg/m3 (39) 25.0 μg/m3 (79) 79.0
 
July 22, 2021, 4 p.m. N/A N/A N/A 36.0 ppb (34) N/A 1.0 ppb (2) 17.0 ppb (16) N/A 29.0 μg/m3 (27) 14.0 μg/m3 (55) 55.0
 
July 22, 2021, 3 p.m. N/A N/A N/A 35.0 ppb (34) N/A 1.0 ppb (2) 10.0 ppb (10) N/A 26.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
July 22, 2021, 2 p.m. N/A N/A N/A 30.0 ppb (29) N/A 1.0 ppb (2) 5.0 ppb (5) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 29.0
 
July 22, 2021, 1 p.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 1.0 ppb (1) N/A 25.0 μg/m3 (24) 13.0 μg/m3 (53) 53.0
 
July 22, 2021, noon N/A N/A N/A 33.0 ppb (32) N/A N/A 2.0 ppb (2) N/A 20.0 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
July 22, 2021, 11 a.m. N/A N/A N/A 33.0 ppb (32) N/A 0.0 ppb (0) 1.0 ppb (1) N/A 28.0 μg/m3 (26) 20.0 μg/m3 (68) 68.0
 
July 22, 2021, 10 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 4.0 ppb (4) N/A 26.0 μg/m3 (25) 17.0 μg/m3 (62) 62.0
 
July 22, 2021, 9 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 4.0 ppb (4) N/A 25.0 μg/m3 (24) 14.0 μg/m3 (55) 55.0
 
July 22, 2021, 8 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 5.0 ppb (5) N/A 26.0 μg/m3 (25) 15.0 μg/m3 (58) 58.0
 
July 22, 2021, 7 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 6.0 ppb (6) N/A 34.0 μg/m3 (32) 19.0 μg/m3 (66) 66.0
 
July 22, 2021, 6 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A 3.0 ppb (3) N/A 28.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
July 22, 2021, 5 a.m. N/A N/A N/A 38.0 ppb (36) N/A 0.0 ppb (0) 3.0 ppb (3) N/A 25.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
July 22, 2021, 4 a.m. N/A N/A N/A 39.0 ppb (37) N/A N/A 9.0 ppb (9) N/A 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
July 22, 2021, 3 a.m. N/A N/A N/A 41.0 ppb (39) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 27.0 μg/m3 (25) 18.0 μg/m3 (64) 64.0
 
July 22, 2021, 2 a.m. N/A N/A N/A 43.0 ppb (41) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 22.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
July 22, 2021, 1 a.m. N/A N/A N/A 34.0 ppb (33) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 34.0 μg/m3 (32) 16.0 μg/m3 (60) 60.0
 
July 22, 2021, midnight N/A N/A N/A 41.0 ppb (39) N/A 1.0 ppb (2) 43.0 ppb (40) N/A 31.0 μg/m3 (29) 16.0 μg/m3 (60) 60.0
 
July 21, 2021, 11 p.m. N/A N/A N/A 23.0 ppb (22) N/A 0.0 ppb (0) 67.0 ppb (91) N/A 30.0 μg/m3 (28) 18.0 μg/m3 (64) 91.0
 
July 21, 2021, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 84.0 ppb (108) N/A 26.0 μg/m3 (25) 15.0 μg/m3 (58) 108.0
 
July 21, 2021, 9 p.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 84.0 ppb (108) N/A 42.0 μg/m3 (39) 29.0 μg/m3 (87) 108.0
 
July 21, 2021, 8 p.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 84.0 ppb (108) N/A 64.0 μg/m3 (56) 46.0 μg/m3 (127) 127.0
 
July 21, 2021, 7 p.m. N/A N/A N/A 33.0 ppb (32) N/A 1.0 ppb (2) 77.0 ppb (105) N/A 59.0 μg/m3 (53) 38.0 μg/m3 (108) 108.0
 
July 21, 2021, 6 p.m. N/A N/A N/A 39.0 ppb (37) N/A 1.0 ppb (2) 54.0 ppb (50) N/A 63.0 μg/m3 (55) 40.0 μg/m3 (113) 113.0
 
July 21, 2021, 5 p.m. N/A N/A N/A 43.0 ppb (41) N/A 2.0 ppb (3) 27.0 ppb (25) N/A 58.0 μg/m3 (53) 33.0 μg/m3 (95) 95.0
 
July 21, 2021, 4 p.m. N/A N/A N/A 39.0 ppb (37) N/A 2.0 ppb (3) 11.0 ppb (11) N/A 54.0 μg/m3 (50) 26.0 μg/m3 (81) 81.0
 
July 21, 2021, 3 p.m. N/A N/A N/A 35.0 ppb (34) N/A 1.0 ppb (2) 3.0 ppb (3) N/A 51.0 μg/m3 (48) 26.0 μg/m3 (81) 81.0
 
July 21, 2021, 2 p.m. N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 1.0 ppb (1) N/A 46.0 μg/m3 (43) 23.0 μg/m3 (74) 74.0
 
July 21, 2021, 1 p.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 0.0 ppb (0) N/A 24.0 μg/m3 (23) 13.0 μg/m3 (53) 53.0
 
July 21, 2021, noon N/A N/A N/A 24.0 ppb (23) N/A N/A 0.0 ppb (0) N/A 28.0 μg/m3 (26) 18.0 μg/m3 (64) 64.0
 
July 21, 2021, 11 a.m. N/A N/A N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) N/A 21.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
July 21, 2021, 10 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A 3.0 ppb (3) N/A 35.0 μg/m3 (33) 22.0 μg/m3 (72) 72.0
 
July 21, 2021, 9 a.m. N/A N/A N/A 27.0 ppb (26) N/A 0.0 ppb (0) 3.0 ppb (3) N/A 31.0 μg/m3 (29) 17.0 μg/m3 (62) 62.0
 
July 21, 2021, 8 a.m. N/A N/A N/A 29.0 ppb (28) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 30.0 μg/m3 (28) 14.0 μg/m3 (55) 55.0
 
July 21, 2021, 7 a.m. N/A N/A N/A 36.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 24.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
July 21, 2021, 6 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 9.0 ppb (9) N/A 18.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
July 21, 2021, 5 a.m. N/A N/A N/A 33.0 ppb (32) N/A 0.0 ppb (0) 16.0 ppb (15) N/A 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
July 21, 2021, 4 a.m. N/A N/A N/A 35.0 ppb (34) N/A 0.0 ppb (0) 14.0 ppb (13) N/A 16.0 μg/m3 (15) 7.0 μg/m3 (30) 34.0
 
July 21, 2021, 3 a.m. N/A N/A N/A 35.0 ppb (34) N/A 1.0 ppb (2) 16.0 ppb (15) N/A 21.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
July 21, 2021, 2 a.m. N/A N/A N/A 32.0 ppb (31) N/A 1.0 ppb (2) 22.0 ppb (21) N/A 32.0 μg/m3 (30) 20.0 μg/m3 (68) 68.0
 
July 21, 2021, 1 a.m. N/A N/A N/A 39.0 ppb (37) N/A 1.0 ppb (2) 8.0 ppb (8) N/A 22.0 μg/m3 (21) 14.0 μg/m3 (55) 55.0
 
July 21, 2021, midnight N/A N/A N/A 33.0 ppb (32) N/A 1.0 ppb (2) 20.0 ppb (19) N/A 45.0 μg/m3 (42) 33.0 μg/m3 (95) 95.0
 
July 20, 2021, 11 p.m. N/A N/A N/A 41.0 ppb (39) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 43.0 μg/m3 (40) 29.0 μg/m3 (87) 87.0
 
July 20, 2021, 10 p.m. N/A N/A N/A 35.0 ppb (34) N/A 2.0 ppb (3) 57.0 ppb (58) N/A 38.0 μg/m3 (36) 27.0 μg/m3 (83) 83.0
 
July 20, 2021, 9 p.m. N/A N/A N/A 24.0 ppb (23) N/A 3.0 ppb (5) 98.0 ppb (116) N/A 35.0 μg/m3 (33) 26.0 μg/m3 (81) 116.0
 
July 20, 2021, 8 p.m. N/A N/A N/A 26.0 ppb (25) N/A 3.0 ppb (5) 85.0 ppb (109) N/A 55.0 μg/m3 (51) 43.0 μg/m3 (120) 120.0
 
July 20, 2021, 7 p.m. N/A N/A N/A 35.0 ppb (34) N/A 3.0 ppb (5) 91.0 ppb (112) N/A 53.0 μg/m3 (50) 42.0 μg/m3 (118) 118.0
 
July 20, 2021, 6 p.m. N/A N/A N/A 40.0 ppb (38) N/A 3.0 ppb (5) 61.0 ppb (71) N/A 51.0 μg/m3 (48) 38.0 μg/m3 (108) 108.0
 
July 20, 2021, 5 p.m. N/A N/A N/A 45.0 ppb (43) N/A 4.0 ppb (6) 39.0 ppb (37) N/A 45.0 μg/m3 (42) 34.0 μg/m3 (98) 98.0
 
July 20, 2021, 4 p.m. N/A N/A N/A 43.0 ppb (41) N/A 5.0 ppb (8) 20.0 ppb (19) N/A 36.0 μg/m3 (34) 27.0 μg/m3 (83) 83.0
 
July 20, 2021, 3 p.m. N/A N/A N/A 39.0 ppb (37) N/A 5.0 ppb (8) 11.0 ppb (11) N/A 22.0 μg/m3 (21) 13.0 μg/m3 (53) 53.0
 
July 20, 2021, 2 p.m. N/A N/A N/A 36.0 ppb (34) N/A 1.0 ppb (2) 7.0 ppb (7) N/A 31.0 μg/m3 (29) 18.0 μg/m3 (64) 64.0
 
July 20, 2021, 1 p.m. N/A N/A N/A 37.0 ppb (35) N/A 1.0 ppb (2) 1.0 ppb (1) N/A 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
July 20, 2021, noon N/A N/A N/A 22.0 ppb (21) N/A N/A 9.0 ppb (9) N/A 9.0 μg/m3 (9) 7.0 μg/m3 (30) 30.0
 
July 20, 2021, 11 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 14.0 ppb (13) N/A 15.0 μg/m3 (14) 13.0 μg/m3 (53) 53.0
 
July 20, 2021, 10 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 15.0 ppb (14) N/A 15.0 μg/m3 (14) 13.0 μg/m3 (53) 53.0
 
July 20, 2021, 9 a.m. N/A N/A N/A 24.0 ppb (23) N/A N/A 16.0 ppb (15) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 23.0
 
July 20, 2021, 8 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 20.0 ppb (19) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 19.0
 
July 20, 2021, 7 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 20.0 ppb (19) N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
July 20, 2021, 6 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 28.0 ppb (26) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 26.0
 
July 20, 2021, 5 a.m. N/A N/A N/A 23.0 ppb (22) N/A N/A 31.0 ppb (29) N/A 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
July 20, 2021, 4 a.m. N/A N/A N/A 24.0 ppb (23) N/A N/A 25.0 ppb (24) N/A 25.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
July 20, 2021, 3 a.m. N/A N/A N/A 28.0 ppb (27) N/A 0.0 ppb (0) 18.0 ppb (17) N/A 27.0 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
July 20, 2021, 2 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 30.0 ppb (28) N/A 32.0 μg/m3 (30) 16.0 μg/m3 (60) 60.0
 
July 20, 2021, 1 a.m. N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 54.0 ppb (50) N/A 39.0 μg/m3 (37) 17.0 μg/m3 (62) 62.0
 
July 20, 2021, midnight N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 66.0 ppb (87) N/A 33.0 μg/m3 (31) 15.0 μg/m3 (58) 87.0
 
July 19, 2021, 11 p.m. N/A N/A N/A 22.0 ppb (21) N/A 0.0 ppb (0) 64.0 ppb (81) N/A 24.0 μg/m3 (23) 14.0 μg/m3 (55) 81.0
 
July 19, 2021, 10 p.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 80.0 ppb (106) N/A 24.0 μg/m3 (23) 13.0 μg/m3 (53) 106.0
 
July 19, 2021, 9 p.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 84.0 ppb (108) N/A 23.0 μg/m3 (22) 14.0 μg/m3 (55) 108.0
 
July 19, 2021, 8 p.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 70.0 ppb (100) N/A 27.0 μg/m3 (25) 17.0 μg/m3 (62) 100.0
 
July 19, 2021, 7 p.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 64.0 ppb (81) N/A 28.0 μg/m3 (26) 20.0 μg/m3 (68) 81.0
 
July 19, 2021, 6 p.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 54.0 ppb (50) N/A 20.0 μg/m3 (19) 13.0 μg/m3 (53) 53.0
 
July 19, 2021, 5 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 38.0 ppb (36) N/A 24.0 μg/m3 (23) 14.0 μg/m3 (55) 55.0
 
July 19, 2021, 4 p.m. N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) 24.0 ppb (23) N/A 33.0 μg/m3 (31) 20.0 μg/m3 (68) 68.0
 
July 19, 2021, 3 p.m. N/A N/A N/A 30.0 ppb (29) N/A 2.0 ppb (3) 12.0 ppb (12) N/A 30.0 μg/m3 (28) 15.0 μg/m3 (58) 58.0
 
July 19, 2021, 2 p.m. N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 4.0 ppb (4) N/A 36.0 μg/m3 (34) 16.0 μg/m3 (60) 60.0