ID: 2351

AQSQID: 800090072

Site Name: Uam Iztapalapa

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

Updated: Oct. 22, 2021, 4:08 p.m.

Location: Mexico City (Centro De Investigación), MX

Reporting: True, Located: True

Current AQI: 53.0

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
Oct. 22, 2021, 2 p.m. N/A N/A N/A 30.0 ppb (29) N/A 2.0 ppb (3) 5.0 ppb (5) 0.7 ppb (8) 30.0 μg/m3 (28) 13.0 μg/m3 (53) 53.0
 
Oct. 22, 2021, 1 p.m. N/A N/A N/A 29.0 ppb (28) N/A 2.0 ppb (3) 3.0 ppb (3) 0.6 ppb (7) 21.0 μg/m3 (20) 8.0 μg/m3 (34) 34.0
 
Oct. 22, 2021, noon N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 3.0 ppb (3) 0.5 ppb (6) 21.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Oct. 22, 2021, 11 a.m. N/A N/A N/A 25.0 ppb (24) N/A 2.0 ppb (3) 4.0 ppb (4) 0.3 ppb (4) 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Oct. 22, 2021, 10 a.m. N/A N/A N/A 25.0 ppb (24) N/A 2.0 ppb (3) 6.0 ppb (6) 0.3 ppb (4) 21.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Oct. 22, 2021, 9 a.m. N/A N/A N/A 28.0 ppb (27) N/A 2.0 ppb (3) 3.0 ppb (3) 0.3 ppb (4) 25.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Oct. 22, 2021, 8 a.m. N/A N/A N/A 29.0 ppb (28) N/A 2.0 ppb (3) 3.0 ppb (3) 0.3 ppb (4) 18.0 μg/m3 (17) 6.0 μg/m3 (25) 28.0
 
Oct. 22, 2021, 7 a.m. N/A N/A N/A 28.0 ppb (27) N/A 2.0 ppb (3) 4.0 ppb (4) 0.2 ppb (3) 35.0 μg/m3 (33) 13.0 μg/m3 (53) 53.0
 
Oct. 22, 2021, 6 a.m. N/A N/A N/A 30.0 ppb (29) N/A 2.0 ppb (3) 3.0 ppb (3) 0.4 ppb (5) 24.0 μg/m3 (23) 6.0 μg/m3 (25) 29.0
 
Oct. 22, 2021, 5 a.m. N/A N/A N/A 29.0 ppb (28) N/A 2.0 ppb (3) 5.0 ppb (5) 0.4 ppb (5) 12.0 μg/m3 (12) N/A 28.0
 
Oct. 22, 2021, 4 a.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 8.0 ppb (8) 0.3 ppb (4) 17.0 μg/m3 (16) 6.0 μg/m3 (25) 26.0
 
Oct. 22, 2021, 3 a.m. N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 11.0 ppb (11) 0.3 ppb (4) 16.0 μg/m3 (15) 3.0 μg/m3 (13) 21.0
 
Oct. 22, 2021, 2 a.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 9.0 ppb (9) 0.3 ppb (4) 18.0 μg/m3 (17) 5.0 μg/m3 (21) 22.0
 
Oct. 22, 2021, 1 a.m. N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) 10.0 ppb (10) 0.4 ppb (5) 26.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Oct. 22, 2021, midnight N/A N/A N/A 34.0 ppb (33) N/A 2.0 ppb (3) 6.0 ppb (6) 0.7 ppb (8) 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Oct. 21, 2021, 11 p.m. N/A N/A N/A 34.0 ppb (33) N/A 3.0 ppb (5) 7.0 ppb (7) 0.8 ppb (10) 26.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Oct. 21, 2021, 10 p.m. N/A N/A N/A 25.0 ppb (24) N/A 2.0 ppb (3) 16.0 ppb (15) 0.4 ppb (5) 37.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
Oct. 21, 2021, 9 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 26.0 ppb (25) 0.3 ppb (4) 34.0 μg/m3 (32) 8.0 μg/m3 (34) 34.0
 
Oct. 21, 2021, 8 p.m. N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 33.0 ppb (31) 0.3 ppb (4) 31.0 μg/m3 (29) 15.0 μg/m3 (58) 58.0
 
Oct. 21, 2021, 7 p.m. N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 45.0 ppb (42) 0.3 ppb (4) 26.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Oct. 21, 2021, 6 p.m. N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 36.0 ppb (34) 0.2 ppb (3) 23.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Oct. 21, 2021, 5 p.m. N/A N/A N/A 16.0 ppb (16) N/A 3.0 ppb (5) 27.0 ppb (25) 0.2 ppb (3) N/A N/A 25.0
 
Oct. 21, 2021, 4 p.m. N/A N/A N/A 18.0 ppb (17) N/A 3.0 ppb (5) 23.0 ppb (22) 0.3 ppb (4) 13.0 μg/m3 (13) 2.0 μg/m3 (9) 22.0
 
Oct. 21, 2021, 3 p.m. N/A N/A N/A 19.0 ppb (18) N/A 4.0 ppb (6) 20.0 ppb (19) 0.3 ppb (4) 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Oct. 21, 2021, 2 p.m. N/A N/A N/A 27.0 ppb (26) N/A 4.0 ppb (6) 9.0 ppb (9) 0.5 ppb (6) 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Oct. 21, 2021, 1 p.m. N/A N/A N/A 28.0 ppb (27) N/A 3.0 ppb (5) 4.0 ppb (4) 0.4 ppb (5) 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
Oct. 21, 2021, noon N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 5.0 ppb (5) 0.3 ppb (4) 18.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Oct. 21, 2021, 11 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 6.0 ppb (6) 0.2 ppb (3) 21.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Oct. 21, 2021, 10 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 11.0 ppb (11) 0.2 ppb (3) 20.0 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
Oct. 21, 2021, 9 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 11.0 ppb (11) 0.2 ppb (3) 21.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Oct. 21, 2021, 8 a.m. N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) 8.0 ppb (8) 0.2 ppb (3) 20.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Oct. 21, 2021, 7 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 7.0 ppb (7) 0.2 ppb (3) 25.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
Oct. 21, 2021, 6 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 8.0 ppb (8) 0.3 ppb (4) 29.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
Oct. 21, 2021, 5 a.m. N/A N/A N/A 32.0 ppb (31) N/A 2.0 ppb (3) 4.0 ppb (4) 0.4 ppb (5) 25.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
Oct. 21, 2021, 4 a.m. N/A N/A N/A 31.0 ppb (30) N/A 2.0 ppb (3) 6.0 ppb (6) 0.4 ppb (5) 33.0 μg/m3 (31) 18.0 μg/m3 (64) 64.0
 
Oct. 21, 2021, 3 a.m. N/A N/A N/A 40.0 ppb (38) N/A 2.0 ppb (3) 4.0 ppb (4) 0.9 ppb (11) 21.0 μg/m3 (20) 15.0 μg/m3 (58) 58.0
 
Oct. 21, 2021, 2 a.m. N/A N/A N/A 40.0 ppb (38) N/A 3.0 ppb (5) 11.0 ppb (11) 0.8 ppb (10) 59.0 μg/m3 (53) 24.0 μg/m3 (77) 77.0
 
Oct. 21, 2021, 1 a.m. N/A N/A N/A 36.0 ppb (34) N/A 3.0 ppb (5) 31.0 ppb (29) 0.6 ppb (7) 66.0 μg/m3 (57) 36.0 μg/m3 (103) 103.0
 
Oct. 21, 2021, midnight N/A N/A N/A 41.0 ppb (39) N/A 4.0 ppb (6) 37.0 ppb (35) 0.7 ppb (8) 99.0 μg/m3 (73) 34.0 μg/m3 (98) 98.0
 
Oct. 20, 2021, 11 p.m. N/A N/A N/A 21.0 ppb (20) N/A 3.0 ppb (5) 70.0 ppb (100) 0.3 ppb (4) 38.0 μg/m3 (36) 21.0 μg/m3 (70) 100.0
 
Oct. 20, 2021, 10 p.m. N/A N/A N/A 14.0 ppb (14) N/A 4.0 ppb (6) 77.0 ppb (105) 0.2 ppb (3) 42.0 μg/m3 (39) 26.0 μg/m3 (81) 105.0
 
Oct. 20, 2021, 9 p.m. N/A N/A N/A 15.0 ppb (15) N/A 5.0 ppb (8) 80.0 ppb (106) 0.2 ppb (3) 47.0 μg/m3 (44) 29.0 μg/m3 (87) 106.0
 
Oct. 20, 2021, 8 p.m. N/A N/A N/A 17.0 ppb (17) N/A 6.0 ppb (9) 79.0 ppb (106) 0.3 ppb (4) 64.0 μg/m3 (56) 42.0 μg/m3 (118) 118.0
 
Oct. 20, 2021, 7 p.m. N/A N/A N/A 21.0 ppb (20) N/A 7.0 ppb (10) 71.0 ppb (101) 0.3 ppb (4) 80.0 μg/m3 (64) 53.0 μg/m3 (145) 145.0
 
Oct. 20, 2021, 6 p.m. N/A N/A N/A 32.0 ppb (31) N/A 9.0 ppb (13) 52.0 ppb (49) 0.5 ppb (6) 104.0 μg/m3 (76) 72.0 μg/m3 (160) 160.0
 
Oct. 20, 2021, 5 p.m. N/A N/A N/A 38.0 ppb (36) N/A 10.0 ppb (15) 29.0 ppb (27) 0.6 ppb (7) 116.0 μg/m3 (82) 84.0 μg/m3 (166) 166.0
 
Oct. 20, 2021, 4 p.m. N/A N/A N/A 36.0 ppb (34) N/A 10.0 ppb (15) 13.0 ppb (13) 0.8 ppb (10) 103.0 μg/m3 (75) 71.0 μg/m3 (160) 160.0
 
Oct. 20, 2021, 3 p.m. N/A N/A N/A 27.0 ppb (26) N/A 7.0 ppb (10) 7.0 ppb (7) 1.0 ppb (12) 94.0 μg/m3 (71) 49.0 μg/m3 (135) 135.0
 
Oct. 20, 2021, 2 p.m. N/A N/A N/A 24.0 ppb (23) N/A 3.0 ppb (5) 4.0 ppb (4) 1.0 ppb (12) 59.0 μg/m3 (53) 36.0 μg/m3 (103) 103.0
 
Oct. 20, 2021, 1 p.m. N/A N/A N/A 24.0 ppb (23) N/A 3.0 ppb (5) 3.0 ppb (3) 0.9 ppb (11) 41.0 μg/m3 (38) 22.0 μg/m3 (72) 72.0
 
Oct. 20, 2021, noon N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) 3.0 ppb (3) 0.5 ppb (6) 39.0 μg/m3 (37) 23.0 μg/m3 (74) 74.0
 
Oct. 20, 2021, 11 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 3.0 ppb (3) 0.3 ppb (4) 29.0 μg/m3 (27) 15.0 μg/m3 (58) 58.0
 
Oct. 20, 2021, 10 a.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 4.0 ppb (4) 0.3 ppb (4) 31.0 μg/m3 (29) 16.0 μg/m3 (60) 60.0
 
Oct. 20, 2021, 9 a.m. N/A N/A N/A 29.0 ppb (28) N/A 2.0 ppb (3) 4.0 ppb (4) 0.3 ppb (4) 35.0 μg/m3 (33) 14.0 μg/m3 (55) 55.0
 
Oct. 20, 2021, 8 a.m. N/A N/A N/A 34.0 ppb (33) N/A 2.0 ppb (3) 3.0 ppb (3) 0.4 ppb (5) 36.0 μg/m3 (34) 13.0 μg/m3 (53) 53.0
 
Oct. 20, 2021, 7 a.m. N/A N/A N/A 37.0 ppb (35) N/A 2.0 ppb (3) 3.0 ppb (3) 0.4 ppb (5) 42.0 μg/m3 (39) 12.0 μg/m3 (50) 50.0
 
Oct. 20, 2021, 6 a.m. N/A N/A N/A 39.0 ppb (37) N/A 2.0 ppb (3) 3.0 ppb (3) 0.5 ppb (6) 43.0 μg/m3 (40) 19.0 μg/m3 (66) 66.0
 
Oct. 20, 2021, 5 a.m. N/A N/A N/A 44.0 ppb (42) N/A 2.0 ppb (3) 6.0 ppb (6) 0.6 ppb (7) 48.0 μg/m3 (45) 27.0 μg/m3 (83) 83.0
 
Oct. 20, 2021, 4 a.m. N/A N/A N/A 41.0 ppb (39) N/A 2.0 ppb (3) 17.0 ppb (16) 0.7 ppb (8) 55.0 μg/m3 (51) 33.0 μg/m3 (95) 95.0
 
Oct. 20, 2021, 3 a.m. N/A N/A N/A 36.0 ppb (34) N/A 2.0 ppb (3) 28.0 ppb (26) 0.5 ppb (6) 37.0 μg/m3 (35) 15.0 μg/m3 (58) 58.0
 
Oct. 20, 2021, 2 a.m. N/A N/A N/A 31.0 ppb (30) N/A 2.0 ppb (3) 39.0 ppb (37) 0.5 ppb (6) 41.0 μg/m3 (38) 11.0 μg/m3 (46) 46.0
 
Oct. 20, 2021, 1 a.m. N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) 50.0 ppb (47) 0.4 ppb (5) 62.0 μg/m3 (55) 20.0 μg/m3 (68) 68.0
 
Oct. 20, 2021, midnight N/A N/A N/A 22.0 ppb (21) N/A 3.0 ppb (5) 54.0 ppb (50) 0.3 ppb (4) 46.0 μg/m3 (43) 16.0 μg/m3 (60) 60.0
 
Oct. 19, 2021, 11 p.m. N/A N/A N/A 23.0 ppb (22) N/A 3.0 ppb (5) 71.0 ppb (101) 0.3 ppb (4) 45.0 μg/m3 (42) 19.0 μg/m3 (66) 101.0
 
Oct. 19, 2021, 10 p.m. N/A N/A N/A 21.0 ppb (20) N/A 3.0 ppb (5) 86.0 ppb (109) 0.3 ppb (4) 32.0 μg/m3 (30) 13.0 μg/m3 (53) 109.0
 
Oct. 19, 2021, 9 p.m. N/A N/A N/A 17.0 ppb (17) N/A 2.0 ppb (3) 80.0 ppb (106) 0.2 ppb (3) 19.0 μg/m3 (18) 11.0 μg/m3 (46) 106.0
 
Oct. 19, 2021, 8 p.m. N/A N/A N/A 21.0 ppb (20) N/A 2.0 ppb (3) 60.0 ppb (68) 0.2 ppb (3) 29.0 μg/m3 (27) 17.0 μg/m3 (62) 68.0
 
Oct. 19, 2021, 7 p.m. N/A N/A N/A 29.0 ppb (28) N/A 3.0 ppb (5) 62.0 ppb (74) 0.4 ppb (5) 46.0 μg/m3 (43) 25.0 μg/m3 (79) 79.0
 
Oct. 19, 2021, 6 p.m. N/A N/A N/A 39.0 ppb (37) N/A 3.0 ppb (5) 56.0 ppb (55) 0.6 ppb (7) 47.0 μg/m3 (44) 28.0 μg/m3 (85) 85.0
 
Oct. 19, 2021, 5 p.m. N/A N/A N/A 38.0 ppb (36) N/A 4.0 ppb (6) 40.0 ppb (38) 0.6 ppb (7) 41.0 μg/m3 (38) 21.0 μg/m3 (70) 70.0
 
Oct. 19, 2021, 4 p.m. N/A N/A N/A 34.0 ppb (33) N/A 5.0 ppb (8) 23.0 ppb (22) 0.6 ppb (7) 41.0 μg/m3 (38) 22.0 μg/m3 (72) 72.0
 
Oct. 19, 2021, 3 p.m. N/A N/A N/A 33.0 ppb (32) N/A 5.0 ppb (8) 11.0 ppb (11) 0.8 ppb (10) 42.0 μg/m3 (39) 18.0 μg/m3 (64) 64.0
 
Oct. 19, 2021, 2 p.m. N/A N/A N/A 29.0 ppb (28) N/A 4.0 ppb (6) 5.0 ppb (5) 1.2 ppb (14) 28.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
Oct. 19, 2021, 1 p.m. N/A N/A N/A 28.0 ppb (27) N/A 3.0 ppb (5) 3.0 ppb (3) 1.1 ppb (13) 24.0 μg/m3 (23) 13.0 μg/m3 (53) 53.0
 
Oct. 19, 2021, noon N/A N/A N/A 28.0 ppb (27) N/A 2.0 ppb (3) 3.0 ppb (3) 0.6 ppb (7) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
Oct. 19, 2021, 11 a.m. N/A N/A N/A 28.0 ppb (27) N/A 2.0 ppb (3) 3.0 ppb (3) 0.3 ppb (4) 23.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
Oct. 19, 2021, 10 a.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 3.0 ppb (3) 0.3 ppb (4) 25.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Oct. 19, 2021, 9 a.m. N/A N/A N/A 30.0 ppb (29) N/A 2.0 ppb (3) 3.0 ppb (3) 0.3 ppb (4) 26.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Oct. 19, 2021, 8 a.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 6.0 ppb (6) 0.2 ppb (3) 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Oct. 19, 2021, 7 a.m. N/A N/A N/A 29.0 ppb (28) N/A 2.0 ppb (3) 6.0 ppb (6) 0.3 ppb (4) 30.0 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
Oct. 19, 2021, 6 a.m. N/A N/A N/A 34.0 ppb (33) N/A 2.0 ppb (3) 3.0 ppb (3) 0.4 ppb (5) 23.0 μg/m3 (22) 6.0 μg/m3 (25) 33.0
 
Oct. 19, 2021, 5 a.m. N/A N/A N/A 29.0 ppb (28) N/A 2.0 ppb (3) 8.0 ppb (8) 0.3 ppb (4) 22.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Oct. 19, 2021, 4 a.m. N/A N/A N/A 25.0 ppb (24) N/A 2.0 ppb (3) 13.0 ppb (13) 0.3 ppb (4) 20.0 μg/m3 (19) 5.0 μg/m3 (21) 24.0
 
Oct. 19, 2021, 3 a.m. N/A N/A N/A 25.0 ppb (24) N/A 2.0 ppb (3) 17.0 ppb (16) 0.3 ppb (4) 29.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
Oct. 19, 2021, 2 a.m. N/A N/A N/A 30.0 ppb (29) N/A 2.0 ppb (3) 18.0 ppb (17) 0.3 ppb (4) 36.0 μg/m3 (34) 13.0 μg/m3 (53) 53.0
 
Oct. 19, 2021, 1 a.m. N/A N/A N/A 31.0 ppb (30) N/A 2.0 ppb (3) 29.0 ppb (27) 0.4 ppb (5) 42.0 μg/m3 (39) 20.0 μg/m3 (68) 68.0
 
Oct. 19, 2021, midnight N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 51.0 ppb (48) 0.3 ppb (4) 28.0 μg/m3 (26) 10.0 μg/m3 (42) 48.0
 
Oct. 18, 2021, 11 p.m. N/A N/A N/A 14.0 ppb (14) N/A 2.0 ppb (3) 47.0 ppb (44) 0.1 ppb (2) 35.0 μg/m3 (33) 11.0 μg/m3 (46) 46.0
 
Oct. 18, 2021, 10 p.m. N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 66.0 ppb (87) 0.2 ppb (3) 40.0 μg/m3 (38) 17.0 μg/m3 (62) 87.0
 
Oct. 18, 2021, 9 p.m. N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 71.0 ppb (101) 0.2 ppb (3) 42.0 μg/m3 (39) 15.0 μg/m3 (58) 101.0
 
Oct. 18, 2021, 8 p.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (5) 69.0 ppb (97) 0.3 ppb (4) 45.0 μg/m3 (42) 29.0 μg/m3 (87) 97.0
 
Oct. 18, 2021, 7 p.m. N/A N/A N/A 28.0 ppb (27) N/A 3.0 ppb (5) 55.0 ppb (51) 0.4 ppb (5) 43.0 μg/m3 (40) 27.0 μg/m3 (83) 83.0
 
Oct. 18, 2021, 6 p.m. N/A N/A N/A 36.0 ppb (34) N/A 3.0 ppb (5) 40.0 ppb (38) 0.5 ppb (6) 44.0 μg/m3 (41) 29.0 μg/m3 (87) 87.0
 
Oct. 18, 2021, 5 p.m. N/A N/A N/A 37.0 ppb (35) N/A 4.0 ppb (6) 30.0 ppb (28) 0.7 ppb (8) 49.0 μg/m3 (46) 31.0 μg/m3 (91) 91.0
 
Oct. 18, 2021, 4 p.m. N/A N/A N/A 36.0 ppb (34) N/A 4.0 ppb (6) 19.0 ppb (18) 0.8 ppb (10) 44.0 μg/m3 (41) 22.0 μg/m3 (72) 72.0
 
Oct. 18, 2021, 3 p.m. N/A N/A N/A 33.0 ppb (32) N/A 4.0 ppb (6) 9.0 ppb (9) 1.0 ppb (12) 36.0 μg/m3 (34) 17.0 μg/m3 (62) 62.0
 
Oct. 18, 2021, 2 p.m. N/A N/A N/A 26.0 ppb (25) N/A 3.0 ppb (5) 4.0 ppb (4) 1.2 ppb (14) 23.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
Oct. 18, 2021, 1 p.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 3.0 ppb (3) 0.7 ppb (8) 18.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Oct. 18, 2021, noon N/A N/A N/A 28.0 ppb (27) N/A 2.0 ppb (3) 3.0 ppb (3) 0.4 ppb (5) 20.0 μg/m3 (19) 13.0 μg/m3 (53) 53.0
 
Oct. 18, 2021, 11 a.m. N/A N/A N/A 29.0 ppb (28) N/A 2.0 ppb (3) 3.0 ppb (3) 0.4 ppb (5) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 28.0
 
Oct. 18, 2021, 10 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 7.0 ppb (7) 0.2 ppb (3) 18.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Oct. 18, 2021, 9 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 11.0 ppb (11) 0.2 ppb (3) 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
Oct. 18, 2021, 8 a.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 8.0 ppb (8) 0.3 ppb (4) 13.0 μg/m3 (13) 6.0 μg/m3 (25) 26.0
 
Oct. 18, 2021, 7 a.m. N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 11.0 ppb (11) 0.3 ppb (4) 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Oct. 18, 2021, 6 a.m. N/A N/A N/A 36.0 ppb (34) N/A 1.0 ppb (2) 5.0 ppb (5) 0.3 ppb (4) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 34.0
 
Oct. 18, 2021, 5 a.m. N/A N/A N/A 33.0 ppb (32) N/A 1.0 ppb (2) 7.0 ppb (7) 0.4 ppb (5) 18.0 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
Oct. 18, 2021, 4 a.m. N/A N/A N/A 30.0 ppb (29) N/A 1.0 ppb (2) 10.0 ppb (10) 0.3 ppb (4) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 29.0
 
Oct. 18, 2021, 3 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 19.0 ppb (18) 0.3 ppb (4) 10.0 μg/m3 (10) 3.0 μg/m3 (13) 22.0
 
Oct. 18, 2021, 2 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 19.0 ppb (18) 0.3 ppb (4) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 23.0
 
Oct. 18, 2021, 1 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 25.0 ppb (24) 0.2 ppb (3) 9.0 μg/m3 (9) 1.0 μg/m3 (5) 24.0
 
Oct. 18, 2021, midnight N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 31.0 ppb (29) 0.2 ppb (3) 8.0 μg/m3 (8) 1.0 μg/m3 (5) 29.0
 
Oct. 17, 2021, 11 p.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 32.0 ppb (30) 0.2 ppb (3) 11.0 μg/m3 (11) 3.0 μg/m3 (13) 30.0
 
Oct. 17, 2021, 10 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 34.0 ppb (32) 0.2 ppb (3) N/A N/A 32.0
 
Oct. 17, 2021, 9 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 35.0 ppb (33) 0.2 ppb (3) 12.0 μg/m3 (12) 5.0 μg/m3 (21) 33.0
 
Oct. 17, 2021, 8 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 34.0 ppb (32) 0.1 ppb (2) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 32.0
 
Oct. 17, 2021, 7 p.m. N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 38.0 ppb (36) 0.1 ppb (2) N/A N/A 36.0
 
Oct. 17, 2021, 6 p.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 38.0 ppb (36) 0.1 ppb (2) 17.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Oct. 17, 2021, 5 p.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 32.0 ppb (30) 0.2 ppb (3) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 30.0
 
Oct. 17, 2021, 4 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 28.0 ppb (26) 0.1 ppb (2) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 26.0
 
Oct. 17, 2021, 3 p.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 22.0 ppb (21) 0.2 ppb (3) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 21.0
 
Oct. 17, 2021, 2 p.m. N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 15.0 ppb (14) 0.3 ppb (4) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 21.0
 
Oct. 17, 2021, 1 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 16.0 ppb (15) 0.2 ppb (3) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 19.0
 
Oct. 17, 2021, noon N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 20.0 ppb (19) 0.1 ppb (2) 3.0 μg/m3 (3) 1.0 μg/m3 (5) 19.0
 
Oct. 17, 2021, 11 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 23.0 ppb (22) 0.1 ppb (2) 4.0 μg/m3 (4) 2.0 μg/m3 (9) 22.0
 
Oct. 17, 2021, 10 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 23.0 ppb (22) 0.1 ppb (2) 3.0 μg/m3 (3) 2.0 μg/m3 (9) 22.0
 
Oct. 17, 2021, 9 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 24.0 ppb (23) 0.1 ppb (2) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 23.0
 
Oct. 17, 2021, 8 a.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) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 21.0
 
Oct. 17, 2021, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A 0.0 ppb (0) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Oct. 17, 2021, 6 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 17.0 ppb (16) 0.1 ppb (2) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 16.0
 
Oct. 17, 2021, 5 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 16.0 ppb (15) 0.1 ppb (2) 7.0 μg/m3 (7) 3.0 μg/m3 (13) 15.0
 
Oct. 17, 2021, 4 a.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) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 19.0
 
Oct. 17, 2021, 3 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 19.0 ppb (18) 0.1 ppb (2) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 18.0
 
Oct. 17, 2021, 2 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 19.0 ppb (18) 0.1 ppb (2) 15.0 μg/m3 (14) 3.0 μg/m3 (13) 18.0
 
Oct. 17, 2021, 1 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 24.0 ppb (23) 0.1 ppb (2) 16.0 μg/m3 (15) 3.0 μg/m3 (13) 23.0
 
Oct. 17, 2021, midnight N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 30.0 ppb (28) 0.1 ppb (2) 40.0 μg/m3 (38) 10.0 μg/m3 (42) 42.0
 
Oct. 16, 2021, 11 p.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 33.0 ppb (31) 0.1 ppb (2) 43.0 μg/m3 (40) 4.0 μg/m3 (17) 40.0
 
Oct. 16, 2021, 10 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 37.0 ppb (35) 0.0 ppb (0) 40.0 μg/m3 (38) 2.0 μg/m3 (9) 38.0
 
Oct. 16, 2021, 9 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 41.0 ppb (38) 0.0 ppb (0) 31.0 μg/m3 (29) 5.0 μg/m3 (21) 38.0
 
Oct. 16, 2021, 8 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 40.0 ppb (38) 0.0 ppb (0) 35.0 μg/m3 (33) 8.0 μg/m3 (34) 38.0
 
Oct. 16, 2021, 7 p.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 38.0 ppb (36) 0.0 ppb (0) 45.0 μg/m3 (42) 10.0 μg/m3 (42) 42.0
 
Oct. 16, 2021, 6 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 38.0 ppb (36) 0.1 ppb (2) 30.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
Oct. 16, 2021, 5 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 35.0 ppb (33) 0.1 ppb (2) 32.0 μg/m3 (30) 17.0 μg/m3 (62) 62.0
 
Oct. 16, 2021, 4 p.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 30.0 ppb (28) 0.2 ppb (3) 21.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Oct. 16, 2021, 3 p.m. N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 26.0 ppb (25) 0.2 ppb (3) 29.0 μg/m3 (27) 15.0 μg/m3 (58) 58.0
 
Oct. 16, 2021, 2 p.m. N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) 16.0 ppb (15) 0.3 ppb (4) 23.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
Oct. 16, 2021, 1 p.m. N/A N/A N/A 31.0 ppb (30) N/A 2.0 ppb (3) 8.0 ppb (8) 0.4 ppb (5) 26.0 μg/m3 (25) 15.0 μg/m3 (58) 58.0
 
Oct. 16, 2021, noon N/A N/A N/A 33.0 ppb (32) N/A 2.0 ppb (3) 6.0 ppb (6) 0.4 ppb (5) 21.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Oct. 16, 2021, 11 a.m. N/A N/A N/A 30.0 ppb (29) N/A 1.0 ppb (2) 7.0 ppb (7) 0.3 ppb (4) 25.0 μg/m3 (24) 16.0 μg/m3 (60) 60.0
 
Oct. 16, 2021, 10 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 13.0 ppb (13) 0.2 ppb (3) 22.0 μg/m3 (21) 14.0 μg/m3 (55) 55.0
 
Oct. 16, 2021, 9 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 18.0 ppb (17) 0.1 ppb (2) 27.0 μg/m3 (25) 15.0 μg/m3 (58) 58.0
 
Oct. 16, 2021, 8 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 17.0 ppb (16) 0.2 ppb (3) 22.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Oct. 16, 2021, 7 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 20.0 ppb (19) 0.2 ppb (3) 25.0 μg/m3 (24) 13.0 μg/m3 (53) 53.0
 
Oct. 16, 2021, 6 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 17.0 ppb (16) 0.2 ppb (3) 30.0 μg/m3 (28) 15.0 μg/m3 (58) 58.0
 
Oct. 16, 2021, 5 a.m. N/A N/A N/A 28.0 ppb (27) N/A 2.0 ppb (3) 13.0 ppb (13) 0.3 ppb (4) 25.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
Oct. 16, 2021, 4 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 15.0 ppb (14) 0.3 ppb (4) 24.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Oct. 16, 2021, 3 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 19.0 ppb (18) 0.2 ppb (3) 36.0 μg/m3 (34) 13.0 μg/m3 (53) 53.0
 
Oct. 16, 2021, 2 a.m. N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 19.0 ppb (18) 0.3 ppb (4) 38.0 μg/m3 (36) 3.0 μg/m3 (13) 36.0
 
Oct. 16, 2021, 1 a.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 26.0 ppb (25) 0.2 ppb (3) 41.0 μg/m3 (38) 11.0 μg/m3 (46) 46.0
 
Oct. 16, 2021, midnight N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 33.0 ppb (31) 0.2 ppb (3) 65.0 μg/m3 (56) 10.0 μg/m3 (42) 56.0
 
Oct. 15, 2021, 11 p.m. N/A N/A N/A 15.0 ppb (15) N/A 2.0 ppb (3) 41.0 ppb (38) 0.2 ppb (3) 64.0 μg/m3 (56) 10.0 μg/m3 (42) 56.0
 
Oct. 15, 2021, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 54.0 ppb (50) 0.2 ppb (3) 53.0 μg/m3 (50) 11.0 μg/m3 (46) 50.0
 
Oct. 15, 2021, 9 p.m. N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 61.0 ppb (71) 0.2 ppb (3) 67.0 μg/m3 (57) 14.0 μg/m3 (55) 71.0
 
Oct. 15, 2021, 8 p.m. N/A N/A N/A 15.0 ppb (15) N/A 2.0 ppb (3) 63.0 ppb (78) 0.2 ppb (3) 63.0 μg/m3 (55) 14.0 μg/m3 (55) 78.0
 
Oct. 15, 2021, 7 p.m. N/A N/A N/A 17.0 ppb (17) N/A 2.0 ppb (3) 58.0 ppb (61) 0.2 ppb (3) 47.0 μg/m3 (44) 21.0 μg/m3 (70) 70.0
 
Oct. 15, 2021, 6 p.m. N/A N/A N/A 30.0 ppb (29) N/A 3.0 ppb (5) 55.0 ppb (51) 0.4 ppb (5) 60.0 μg/m3 (54) 33.0 μg/m3 (95) 95.0
 
Oct. 15, 2021, 5 p.m. N/A N/A N/A 45.0 ppb (43) N/A 3.0 ppb (5) 41.0 ppb (38) 0.6 ppb (7) 68.0 μg/m3 (58) 40.0 μg/m3 (113) 113.0
 
Oct. 15, 2021, 4 p.m. N/A N/A N/A 48.0 ppb (46) N/A 3.0 ppb (5) 24.0 ppb (23) 0.8 ppb (10) 49.0 μg/m3 (46) 24.0 μg/m3 (77) 77.0
 
Oct. 15, 2021, 3 p.m. N/A N/A N/A 40.0 ppb (38) N/A 3.0 ppb (5) 11.0 ppb (11) 1.0 ppb (12) 56.0 μg/m3 (52) 29.0 μg/m3 (87) 87.0