ID: 2351

AQSQID: 800090072

Site Name: Uam Iztapalapa

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

Updated: Oct. 17, 2021, 4:07 a.m.

Location: Mexico City (Centro De Investigación), MX

Reporting: True, Located: True

Current AQI: 18.0

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. 27, 2021, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (2) 8.0 ppb (8) 0.1 ppb (2) 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Sept. 27, 2021, 10 a.m. N/A N/A N/A 21.0 ppb (20) N/A 1.0 ppb (2) 10.0 ppb (10) 0.2 ppb (3) 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Sept. 27, 2021, 9 a.m. N/A N/A N/A 24.0 ppb (23) N/A 1.0 ppb (2) 11.0 ppb (11) 0.2 ppb (3) 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Sept. 27, 2021, 8 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 13.0 ppb (13) 0.2 ppb (3) 20.0 μg/m3 (19) 17.0 μg/m3 (62) 62.0
 
Sept. 27, 2021, 7 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 20.0 ppb (19) 0.2 ppb (3) 11.0 μg/m3 (11) 8.0 μg/m3 (34) 34.0
 
Sept. 27, 2021, 6 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 29.0 ppb (27) 0.2 ppb (3) 9.0 μg/m3 (9) 8.0 μg/m3 (34) 34.0
 
Sept. 27, 2021, 5 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 31.0 ppb (29) 0.2 ppb (3) 13.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Sept. 27, 2021, 4 a.m. N/A N/A N/A 15.0 ppb (15) N/A 2.0 ppb (3) 36.0 ppb (34) 0.2 ppb (3) 27.0 μg/m3 (25) 21.0 μg/m3 (70) 70.0
 
Sept. 27, 2021, 3 a.m. N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) 32.0 ppb (30) 0.3 ppb (4) 15.0 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
Sept. 27, 2021, 2 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 27.0 ppb (25) 0.3 ppb (4) 19.0 μg/m3 (18) 7.0 μg/m3 (30) 30.0
 
Sept. 27, 2021, 1 a.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 37.0 ppb (35) 0.2 ppb (3) 45.0 μg/m3 (42) 25.0 μg/m3 (79) 79.0
 
Sept. 27, 2021, midnight N/A N/A N/A 18.0 ppb (17) N/A 3.0 ppb (5) 60.0 ppb (68) 0.3 ppb (4) 40.0 μg/m3 (38) 26.0 μg/m3 (81) 81.0
 
Sept. 26, 2021, 11 p.m. N/A N/A N/A 14.0 ppb (14) N/A 3.0 ppb (5) 76.0 ppb (104) 0.2 ppb (3) 44.0 μg/m3 (41) 33.0 μg/m3 (95) 104.0
 
Sept. 26, 2021, 10 p.m. N/A N/A N/A 14.0 ppb (14) N/A 5.0 ppb (8) 92.0 ppb (113) 0.2 ppb (3) 66.0 μg/m3 (57) 52.0 μg/m3 (142) 142.0
 
Sept. 26, 2021, 9 p.m. N/A N/A N/A 19.0 ppb (18) N/A 7.0 ppb (10) 113.0 ppb (124) 0.3 ppb (4) 58.0 μg/m3 (53) 46.0 μg/m3 (127) 127.0
 
Sept. 26, 2021, 8 p.m. N/A N/A N/A 25.0 ppb (24) N/A 6.0 ppb (9) 96.0 ppb (115) 0.4 ppb (5) 71.0 μg/m3 (59) 58.0 μg/m3 (153) 153.0
 
Sept. 26, 2021, 7 p.m. N/A N/A N/A 32.0 ppb (31) N/A 5.0 ppb (8) 69.0 ppb (97) 0.4 ppb (5) 66.0 μg/m3 (57) 52.0 μg/m3 (142) 142.0
 
Sept. 26, 2021, 6 p.m. N/A N/A N/A 35.0 ppb (34) N/A 4.0 ppb (6) 46.0 ppb (43) 0.5 ppb (6) 52.0 μg/m3 (49) 39.0 μg/m3 (110) 110.0
 
Sept. 26, 2021, 5 p.m. N/A N/A N/A 27.0 ppb (26) N/A 5.0 ppb (8) 32.0 ppb (30) 0.4 ppb (5) 37.0 μg/m3 (35) 24.0 μg/m3 (77) 77.0
 
Sept. 26, 2021, 4 p.m. N/A N/A N/A 26.0 ppb (25) N/A 6.0 ppb (9) 19.0 ppb (18) 0.4 ppb (5) 34.0 μg/m3 (32) 23.0 μg/m3 (74) 74.0
 
Sept. 26, 2021, 3 p.m. N/A N/A N/A 23.0 ppb (22) N/A 6.0 ppb (9) 15.0 ppb (14) 0.4 ppb (5) 33.0 μg/m3 (31) 22.0 μg/m3 (72) 72.0
 
Sept. 26, 2021, 2 p.m. N/A N/A N/A 25.0 ppb (24) N/A 2.0 ppb (3) 6.0 ppb (6) 0.4 ppb (5) 28.0 μg/m3 (26) 18.0 μg/m3 (64) 64.0
 
Sept. 26, 2021, 1 p.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) 20.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Sept. 26, 2021, noon N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 9.0 ppb (9) 0.2 ppb (3) 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
Sept. 26, 2021, 11 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 8.0 ppb (8) 0.2 ppb (3) 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Sept. 26, 2021, 10 a.m. N/A N/A N/A 29.0 ppb (28) N/A 2.0 ppb (3) 6.0 ppb (6) 0.2 ppb (3) 24.0 μg/m3 (23) 14.0 μg/m3 (55) 55.0
 
Sept. 26, 2021, 9 a.m. N/A N/A N/A 31.0 ppb (30) N/A 2.0 ppb (3) 5.0 ppb (5) 0.2 ppb (3) 25.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
Sept. 26, 2021, 8 a.m. N/A N/A N/A 34.0 ppb (33) N/A 2.0 ppb (3) 6.0 ppb (6) 0.2 ppb (3) 27.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
Sept. 26, 2021, 7 a.m. N/A N/A N/A 33.0 ppb (32) N/A 2.0 ppb (3) 7.0 ppb (7) 0.2 ppb (3) 24.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Sept. 26, 2021, 6 a.m. N/A N/A N/A 31.0 ppb (30) N/A 2.0 ppb (3) 10.0 ppb (10) 0.2 ppb (3) 23.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Sept. 26, 2021, 5 a.m. N/A N/A N/A 31.0 ppb (30) N/A 2.0 ppb (3) 10.0 ppb (10) 0.2 ppb (3) 22.0 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
Sept. 26, 2021, 4 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 13.0 ppb (13) 0.2 ppb (3) 30.0 μg/m3 (28) 20.0 μg/m3 (68) 68.0
 
Sept. 26, 2021, 3 a.m. N/A N/A N/A 37.0 ppb (35) N/A 2.0 ppb (3) 10.0 ppb (10) 0.5 ppb (6) 26.0 μg/m3 (25) 18.0 μg/m3 (64) 64.0
 
Sept. 26, 2021, 2 a.m. N/A N/A N/A 35.0 ppb (34) N/A 2.0 ppb (3) 17.0 ppb (16) 0.6 ppb (7) 26.0 μg/m3 (25) 17.0 μg/m3 (62) 62.0
 
Sept. 26, 2021, 1 a.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 28.0 ppb (26) 0.4 ppb (5) 31.0 μg/m3 (29) 18.0 μg/m3 (64) 64.0
 
Sept. 26, 2021, midnight N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 40.0 ppb (38) 0.2 ppb (3) 49.0 μg/m3 (46) 19.0 μg/m3 (66) 66.0
 
Sept. 25, 2021, 11 p.m. N/A N/A N/A 23.0 ppb (22) N/A 3.0 ppb (5) 42.0 ppb (39) 0.2 ppb (3) 42.0 μg/m3 (39) 19.0 μg/m3 (66) 66.0
 
Sept. 25, 2021, 10 p.m. N/A N/A N/A 15.0 ppb (15) N/A 5.0 ppb (8) 77.0 ppb (105) 0.2 ppb (3) 47.0 μg/m3 (44) 34.0 μg/m3 (98) 105.0
 
Sept. 25, 2021, 9 p.m. N/A N/A N/A 15.0 ppb (15) N/A 4.0 ppb (6) 80.0 ppb (106) 0.1 ppb (2) 65.0 μg/m3 (56) 46.0 μg/m3 (127) 127.0
 
Sept. 25, 2021, 8 p.m. N/A N/A N/A 27.0 ppb (26) N/A 4.0 ppb (6) 80.0 ppb (106) 0.3 ppb (4) 79.0 μg/m3 (63) 59.0 μg/m3 (153) 153.0
 
Sept. 25, 2021, 7 p.m. N/A N/A N/A 39.0 ppb (37) N/A 4.0 ppb (6) 61.0 ppb (71) 0.5 ppb (6) 71.0 μg/m3 (59) 51.0 μg/m3 (140) 140.0
 
Sept. 25, 2021, 6 p.m. N/A N/A N/A 39.0 ppb (37) N/A 4.0 ppb (6) 36.0 ppb (34) 0.5 ppb (6) 63.0 μg/m3 (55) 43.0 μg/m3 (120) 120.0
 
Sept. 25, 2021, 5 p.m. N/A N/A N/A 32.0 ppb (31) N/A 5.0 ppb (8) 24.0 ppb (23) 0.4 ppb (5) 69.0 μg/m3 (58) 45.0 μg/m3 (125) 125.0
 
Sept. 25, 2021, 4 p.m. N/A N/A N/A 40.0 ppb (38) N/A 4.0 ppb (6) 8.0 ppb (8) 0.6 ppb (7) 68.0 μg/m3 (58) 39.0 μg/m3 (110) 110.0
 
Sept. 25, 2021, 3 p.m. N/A N/A N/A 36.0 ppb (34) N/A 4.0 ppb (6) 4.0 ppb (4) 0.8 ppb (10) 52.0 μg/m3 (49) 25.0 μg/m3 (79) 79.0
 
Sept. 25, 2021, 2 p.m. N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 3.0 ppb (3) 0.6 ppb (7) 29.0 μg/m3 (27) 13.0 μg/m3 (53) 53.0
 
Sept. 25, 2021, 1 p.m. N/A N/A N/A 29.0 ppb (28) N/A 2.0 ppb (3) 1.0 ppb (1) 0.4 ppb (5) 24.0 μg/m3 (23) 13.0 μg/m3 (53) 53.0
 
Sept. 25, 2021, noon N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 3.0 ppb (3) 0.2 ppb (3) 23.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
Sept. 25, 2021, 11 a.m. N/A N/A N/A 26.0 ppb (25) N/A 1.0 ppb (2) 7.0 ppb (7) 0.2 ppb (3) 41.0 μg/m3 (38) 28.0 μg/m3 (85) 85.0
 
Sept. 25, 2021, 10 a.m. N/A N/A N/A 25.0 ppb (24) N/A 1.0 ppb (2) 8.0 ppb (8) 0.2 ppb (3) 29.0 μg/m3 (27) 13.0 μg/m3 (53) 53.0
 
Sept. 25, 2021, 9 a.m. N/A N/A N/A 30.0 ppb (29) N/A 1.0 ppb (2) 3.0 ppb (3) 0.2 ppb (3) 37.0 μg/m3 (35) 18.0 μg/m3 (64) 64.0
 
Sept. 25, 2021, 8 a.m. N/A N/A N/A 38.0 ppb (36) N/A 2.0 ppb (3) 2.0 ppb (2) 0.3 ppb (4) 30.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
Sept. 25, 2021, 7 a.m. N/A N/A N/A 37.0 ppb (35) N/A 2.0 ppb (3) 2.0 ppb (2) 0.3 ppb (4) 23.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Sept. 25, 2021, 6 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) 21.0 μg/m3 (20) 13.0 μg/m3 (53) 53.0
 
Sept. 25, 2021, 5 a.m. N/A N/A N/A 31.0 ppb (30) N/A 2.0 ppb (3) 19.0 ppb (18) 0.4 ppb (5) 11.0 μg/m3 (11) 6.0 μg/m3 (25) 30.0
 
Sept. 25, 2021, 4 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 40.0 ppb (38) 0.2 ppb (3) 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Sept. 25, 2021, 3 a.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 37.0 ppb (35) 0.2 ppb (3) 20.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Sept. 25, 2021, 2 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 30.0 ppb (28) 0.3 ppb (4) 39.0 μg/m3 (37) 18.0 μg/m3 (64) 64.0
 
Sept. 25, 2021, 1 a.m. N/A N/A N/A 26.0 ppb (25) N/A 3.0 ppb (5) 36.0 ppb (34) 0.3 ppb (4) 44.0 μg/m3 (41) 16.0 μg/m3 (60) 60.0
 
Sept. 25, 2021, midnight N/A N/A N/A 25.0 ppb (24) N/A 3.0 ppb (5) 44.0 ppb (41) 0.3 ppb (4) 42.0 μg/m3 (39) 15.0 μg/m3 (58) 58.0
 
Sept. 24, 2021, 11 p.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 63.0 ppb (78) 0.2 ppb (3) 22.0 μg/m3 (21) 11.0 μg/m3 (46) 78.0
 
Sept. 24, 2021, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 60.0 ppb (68) 0.1 ppb (2) 31.0 μg/m3 (29) 14.0 μg/m3 (55) 68.0
 
Sept. 24, 2021, 9 p.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 63.0 ppb (78) 0.2 ppb (3) 39.0 μg/m3 (37) 23.0 μg/m3 (74) 78.0
 
Sept. 24, 2021, 8 p.m. N/A N/A N/A 20.0 ppb (19) N/A 3.0 ppb (5) 69.0 ppb (97) 0.2 ppb (3) 57.0 μg/m3 (52) 36.0 μg/m3 (103) 103.0
 
Sept. 24, 2021, 7 p.m. N/A N/A N/A 33.0 ppb (32) N/A 3.0 ppb (5) 72.0 ppb (102) 0.4 ppb (5) 62.0 μg/m3 (55) 41.0 μg/m3 (115) 115.0
 
Sept. 24, 2021, 6 p.m. N/A N/A N/A 41.0 ppb (39) N/A 4.0 ppb (6) 48.0 ppb (45) 0.5 ppb (6) 53.0 μg/m3 (50) 32.0 μg/m3 (93) 93.0
 
Sept. 24, 2021, 5 p.m. N/A N/A N/A 41.0 ppb (39) N/A 4.0 ppb (6) 31.0 ppb (29) 0.6 ppb (7) 50.0 μg/m3 (47) 26.0 μg/m3 (81) 81.0
 
Sept. 24, 2021, 4 p.m. N/A N/A N/A 43.0 ppb (41) N/A 5.0 ppb (8) 16.0 ppb (15) 0.8 ppb (10) 35.0 μg/m3 (33) 13.0 μg/m3 (53) 53.0
 
Sept. 24, 2021, 3 p.m. N/A N/A N/A 31.0 ppb (30) N/A 3.0 ppb (5) 10.0 ppb (10) 0.6 ppb (7) 33.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
Sept. 24, 2021, 2 p.m. N/A N/A N/A 30.0 ppb (29) N/A 2.0 ppb (3) 3.0 ppb (3) 0.8 ppb (10) 39.0 μg/m3 (37) 20.0 μg/m3 (68) 68.0
 
Sept. 24, 2021, 1 p.m. N/A N/A N/A 30.0 ppb (29) N/A 2.0 ppb (3) 1.0 ppb (1) 0.7 ppb (8) 26.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Sept. 24, 2021, noon N/A N/A N/A 29.0 ppb (28) N/A 2.0 ppb (3) 1.0 ppb (1) 0.4 ppb (5) 18.0 μg/m3 (17) 6.0 μg/m3 (25) 28.0
 
Sept. 24, 2021, 11 a.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 3.0 ppb (3) 0.2 ppb (3) 18.0 μg/m3 (17) 4.0 μg/m3 (17) 26.0
 
Sept. 24, 2021, 10 a.m. N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 3.0 ppb (3) 0.2 ppb (3) 23.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Sept. 24, 2021, 9 a.m. N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 3.0 ppb (3) 0.2 ppb (3) 28.0 μg/m3 (26) 15.0 μg/m3 (58) 58.0
 
Sept. 24, 2021, 8 a.m. N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 4.0 ppb (4) 0.2 ppb (3) 20.0 μg/m3 (19) 6.0 μg/m3 (25) 30.0
 
Sept. 24, 2021, 7 a.m. N/A N/A N/A 30.0 ppb (29) N/A 1.0 ppb (2) 7.0 ppb (7) 0.2 ppb (3) 28.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
Sept. 24, 2021, 6 a.m. N/A N/A N/A 37.0 ppb (35) N/A 1.0 ppb (2) 2.0 ppb (2) 0.4 ppb (5) 27.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
Sept. 24, 2021, 5 a.m. N/A N/A N/A 35.0 ppb (34) N/A 1.0 ppb (2) 3.0 ppb (3) 0.4 ppb (5) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 34.0
 
Sept. 24, 2021, 4 a.m. N/A N/A N/A 31.0 ppb (30) N/A 1.0 ppb (2) 8.0 ppb (8) 0.3 ppb (4) 19.0 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
Sept. 24, 2021, 3 a.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 14.0 ppb (13) 0.2 ppb (3) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 26.0
 
Sept. 24, 2021, 2 a.m. N/A N/A N/A 27.0 ppb (26) N/A 1.0 ppb (2) 18.0 ppb (17) 0.3 ppb (4) 13.0 μg/m3 (13) 3.0 μg/m3 (13) 26.0
 
Sept. 24, 2021, 1 a.m. N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 28.0 ppb (26) 0.2 ppb (3) 14.0 μg/m3 (13) N/A 26.0
 
Sept. 24, 2021, midnight N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 34.0 ppb (32) 0.2 ppb (3) 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Sept. 23, 2021, 11 p.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 43.0 ppb (40) 0.1 ppb (2) 35.0 μg/m3 (33) 16.0 μg/m3 (60) 60.0
 
Sept. 23, 2021, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 51.0 ppb (48) 0.1 ppb (2) 26.0 μg/m3 (25) 10.0 μg/m3 (42) 48.0
 
Sept. 23, 2021, 9 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 52.0 ppb (49) 0.1 ppb (2) 16.0 μg/m3 (15) 7.0 μg/m3 (30) 49.0
 
Sept. 23, 2021, 8 p.m. N/A N/A N/A 17.0 ppb (17) N/A 2.0 ppb (3) 45.0 ppb (42) 0.1 ppb (2) 21.0 μg/m3 (20) 8.0 μg/m3 (34) 42.0
 
Sept. 23, 2021, 7 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 39.0 ppb (37) 0.2 ppb (3) 20.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
Sept. 23, 2021, 6 p.m. N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 30.0 ppb (28) 0.2 ppb (3) 20.0 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
Sept. 23, 2021, 5 p.m. N/A N/A N/A 28.0 ppb (27) N/A 2.0 ppb (3) 22.0 ppb (21) 0.3 ppb (4) 39.0 μg/m3 (37) 22.0 μg/m3 (72) 72.0
 
Sept. 23, 2021, 4 p.m. N/A N/A N/A 34.0 ppb (33) N/A 3.0 ppb (5) 14.0 ppb (13) 0.6 ppb (7) 38.0 μg/m3 (36) 21.0 μg/m3 (70) 70.0
 
Sept. 23, 2021, 3 p.m. N/A N/A N/A 26.0 ppb (25) N/A 3.0 ppb (5) 7.0 ppb (7) 0.6 ppb (7) 35.0 μg/m3 (33) 20.0 μg/m3 (68) 68.0
 
Sept. 23, 2021, 2 p.m. N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) 3.0 ppb (3) 0.5 ppb (6) 27.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
Sept. 23, 2021, 1 p.m. N/A N/A N/A 28.0 ppb (27) N/A 2.0 ppb (3) 2.0 ppb (2) 0.6 ppb (7) 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Sept. 23, 2021, noon N/A N/A N/A 28.0 ppb (27) N/A 1.0 ppb (2) 2.0 ppb (2) 0.3 ppb (4) 13.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Sept. 23, 2021, 11 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 11.0 ppb (11) 0.1 ppb (2) 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2021, 10 a.m. N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 18.0 ppb (17) 0.1 ppb (2) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2021, 9 a.m. N/A N/A N/A 37.0 ppb (35) N/A 98.0 ppb (111) 6.0 ppb (6) 9.6 ppb (103) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 111.0
 
Sept. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 42.0
 
Sept. 23, 2021, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A 0.0 ppb (0) 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
Sept. 23, 2021, 6 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (2) 17.0 ppb (16) 0.1 ppb (2) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Sept. 23, 2021, 5 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 20.0 ppb (19) 0.1 ppb (2) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2021, 4 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 19.0 ppb (18) 0.1 ppb (2) 13.0 μg/m3 (13) 4.0 μg/m3 (17) 19.0
 
Sept. 23, 2021, 3 a.m. N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 18.0 ppb (17) 0.2 ppb (3) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 21.0
 
Sept. 23, 2021, 2 a.m. N/A N/A N/A 16.0 ppb (16) N/A 1.0 ppb (2) 24.0 ppb (23) 0.1 ppb (2) 11.0 μg/m3 (11) 2.0 μg/m3 (9) 23.0
 
Sept. 23, 2021, 1 a.m. N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 26.0 ppb (25) 0.1 ppb (2) 26.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Sept. 23, 2021, midnight N/A N/A N/A 15.0 ppb (15) N/A 1.0 ppb (2) 27.0 ppb (25) 0.1 ppb (2) 30.0 μg/m3 (28) 5.0 μg/m3 (21) 28.0
 
Sept. 22, 2021, 11 p.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 32.0 ppb (30) 0.1 ppb (2) 19.0 μg/m3 (18) 6.0 μg/m3 (25) 30.0
 
Sept. 22, 2021, 10 p.m. N/A N/A N/A 13.0 ppb (13) N/A 1.0 ppb (2) 35.0 ppb (33) 0.0 ppb (0) 34.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
Sept. 22, 2021, 9 p.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 33.0 ppb (31) 0.0 ppb (0) 30.0 μg/m3 (28) 7.0 μg/m3 (30) 31.0
 
Sept. 22, 2021, 8 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 34.0 ppb (32) 0.0 ppb (0) 17.0 μg/m3 (16) 3.0 μg/m3 (13) 32.0
 
Sept. 22, 2021, 7 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 37.0 ppb (35) 0.0 ppb (0) 30.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
Sept. 22, 2021, 6 p.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 39.0 ppb (37) 0.1 ppb (2) 32.0 μg/m3 (30) 14.0 μg/m3 (55) 55.0
 
Sept. 22, 2021, 5 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 33.0 ppb (31) 0.2 ppb (3) 24.0 μg/m3 (23) 8.0 μg/m3 (34) 34.0
 
Sept. 22, 2021, 4 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 29.0 ppb (27) 0.2 ppb (3) 42.0 μg/m3 (39) 19.0 μg/m3 (66) 66.0
 
Sept. 22, 2021, 3 p.m. N/A N/A N/A 32.0 ppb (31) N/A 2.0 ppb (3) 17.0 ppb (16) 0.5 ppb (6) 53.0 μg/m3 (50) 21.0 μg/m3 (70) 70.0
 
Sept. 22, 2021, 2 p.m. N/A N/A N/A 38.0 ppb (36) N/A 2.0 ppb (3) 8.0 ppb (8) 0.6 ppb (7) 45.0 μg/m3 (42) 15.0 μg/m3 (58) 58.0
 
Sept. 22, 2021, 1 p.m. N/A N/A N/A 42.0 ppb (40) N/A 2.0 ppb (3) 2.0 ppb (2) 0.8 ppb (10) 18.0 μg/m3 (17) 5.0 μg/m3 (21) 40.0
 
Sept. 22, 2021, noon N/A N/A N/A 34.0 ppb (33) N/A 1.0 ppb (2) 8.0 ppb (8) 0.4 ppb (5) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Sept. 22, 2021, 11 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 17.0 ppb (16) 0.1 ppb (2) 10.0 μg/m3 (10) 5.0 μg/m3 (21) 22.0
 
Sept. 22, 2021, 10 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (2) 19.0 ppb (18) 0.1 ppb (2) 20.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Sept. 22, 2021, 9 a.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 19.0 ppb (18) 0.1 ppb (2) 25.0 μg/m3 (24) 15.0 μg/m3 (58) 58.0
 
Sept. 22, 2021, 8 a.m. N/A N/A N/A 25.0 ppb (24) N/A 1.0 ppb (2) 17.0 ppb (16) 0.1 ppb (2) 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2021, 7 a.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 22.0 ppb (21) 0.1 ppb (2) 32.0 μg/m3 (30) 15.0 μg/m3 (58) 58.0
 
Sept. 22, 2021, 6 a.m. N/A N/A N/A 29.0 ppb (28) N/A 2.0 ppb (3) 14.0 ppb (13) 0.2 ppb (3) 30.0 μg/m3 (28) 17.0 μg/m3 (62) 62.0
 
Sept. 22, 2021, 5 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 19.0 ppb (18) 0.2 ppb (3) 23.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Sept. 22, 2021, 4 a.m. N/A N/A N/A 26.0 ppb (25) N/A 2.0 ppb (3) 21.0 ppb (20) 0.2 ppb (3) 20.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Sept. 22, 2021, 3 a.m. N/A N/A N/A 21.0 ppb (20) N/A 2.0 ppb (3) 26.0 ppb (25) 0.1 ppb (2) 24.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2021, 2 a.m. N/A N/A N/A 24.0 ppb (23) N/A 3.0 ppb (5) 25.0 ppb (24) 0.2 ppb (3) 31.0 μg/m3 (29) 8.0 μg/m3 (34) 34.0
 
Sept. 22, 2021, 1 a.m. N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 32.0 ppb (30) 0.2 ppb (3) 53.0 μg/m3 (50) 13.0 μg/m3 (53) 53.0
 
Sept. 22, 2021, midnight N/A N/A N/A 22.0 ppb (21) N/A 2.0 ppb (3) 43.0 ppb (40) 0.2 ppb (3) 21.0 μg/m3 (20) 6.0 μg/m3 (25) 40.0
 
Sept. 21, 2021, 11 p.m. N/A N/A N/A 17.0 ppb (17) N/A 2.0 ppb (3) 62.0 ppb (74) 0.1 ppb (2) 20.0 μg/m3 (19) 9.0 μg/m3 (38) 74.0
 
Sept. 21, 2021, 10 p.m. N/A N/A N/A 15.0 ppb (15) N/A 2.0 ppb (3) 67.0 ppb (91) 0.1 ppb (2) 30.0 μg/m3 (28) 17.0 μg/m3 (62) 91.0
 
Sept. 21, 2021, 9 p.m. N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 72.0 ppb (102) 0.1 ppb (2) 38.0 μg/m3 (36) 27.0 μg/m3 (83) 102.0
 
Sept. 21, 2021, 8 p.m. N/A N/A N/A 19.0 ppb (18) N/A 5.0 ppb (8) 75.0 ppb (104) 0.2 ppb (3) 52.0 μg/m3 (49) 40.0 μg/m3 (113) 113.0
 
Sept. 21, 2021, 7 p.m. N/A N/A N/A 30.0 ppb (29) N/A 14.0 ppb (20) 70.0 ppb (100) 0.4 ppb (5) 80.0 μg/m3 (64) 61.0 μg/m3 (154) 154.0
 
Sept. 21, 2021, 6 p.m. N/A N/A N/A 44.0 ppb (42) N/A 19.0 ppb (28) 50.0 ppb (47) 0.6 ppb (7) 85.0 μg/m3 (66) 63.0 μg/m3 (155) 155.0
 
Sept. 21, 2021, 5 p.m. N/A N/A N/A 55.0 ppb (53) N/A 14.0 ppb (20) 25.0 ppb (24) 0.9 ppb (11) 70.0 μg/m3 (59) 45.0 μg/m3 (125) 125.0
 
Sept. 21, 2021, 4 p.m. N/A N/A N/A 48.0 ppb (46) N/A 13.0 ppb (19) 14.0 ppb (13) 0.9 ppb (11) 57.0 μg/m3 (52) 34.0 μg/m3 (98) 98.0
 
Sept. 21, 2021, 3 p.m. N/A N/A N/A 42.0 ppb (40) N/A 8.0 ppb (12) 9.0 ppb (9) 0.9 ppb (11) 66.0 μg/m3 (57) 36.0 μg/m3 (103) 103.0
 
Sept. 21, 2021, 2 p.m. N/A N/A N/A 37.0 ppb (35) N/A 4.0 ppb (6) 2.0 ppb (2) 1.5 ppb (18) 51.0 μg/m3 (48) 28.0 μg/m3 (85) 85.0
 
Sept. 21, 2021, 1 p.m. N/A N/A N/A 35.0 ppb (34) N/A 3.0 ppb (5) 2.0 ppb (2) 1.1 ppb (13) 37.0 μg/m3 (35) 22.0 μg/m3 (72) 72.0
 
Sept. 21, 2021, noon N/A N/A N/A 33.0 ppb (32) N/A 2.0 ppb (3) 2.0 ppb (2) 0.6 ppb (7) 35.0 μg/m3 (33) 22.0 μg/m3 (72) 72.0
 
Sept. 21, 2021, 11 a.m. N/A N/A N/A 31.0 ppb (30) N/A 2.0 ppb (3) 3.0 ppb (3) 0.3 ppb (4) 37.0 μg/m3 (35) 24.0 μg/m3 (77) 77.0
 
Sept. 21, 2021, 10 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) 30.0 μg/m3 (28) 20.0 μg/m3 (68) 68.0
 
Sept. 21, 2021, 9 a.m. N/A N/A N/A 37.0 ppb (35) N/A 2.0 ppb (3) 6.0 ppb (6) 0.4 ppb (5) 36.0 μg/m3 (34) 24.0 μg/m3 (77) 77.0
 
Sept. 21, 2021, 8 a.m. N/A N/A N/A 44.0 ppb (42) N/A 2.0 ppb (3) 4.0 ppb (4) 0.5 ppb (6) 41.0 μg/m3 (38) 23.0 μg/m3 (74) 74.0
 
Sept. 21, 2021, 7 a.m. N/A N/A N/A 50.0 ppb (48) N/A 2.0 ppb (3) 2.0 ppb (2) 0.5 ppb (6) 38.0 μg/m3 (36) 21.0 μg/m3 (70) 70.0
 
Sept. 21, 2021, 6 a.m. N/A N/A N/A 52.0 ppb (50) N/A 2.0 ppb (3) 4.0 ppb (4) 0.6 ppb (7) 35.0 μg/m3 (33) 17.0 μg/m3 (62) 62.0
 
Sept. 21, 2021, 5 a.m. N/A N/A N/A 53.0 ppb (50) N/A 2.0 ppb (3) 4.0 ppb (4) 0.6 ppb (7) 44.0 μg/m3 (41) 24.0 μg/m3 (77) 77.0
 
Sept. 21, 2021, 4 a.m. N/A N/A N/A 56.0 ppb (54) N/A 2.0 ppb (3) 5.0 ppb (5) 0.6 ppb (7) 43.0 μg/m3 (40) 24.0 μg/m3 (77) 77.0
 
Sept. 21, 2021, 3 a.m. N/A N/A N/A 44.0 ppb (42) N/A 2.0 ppb (3) 21.0 ppb (20) 0.6 ppb (7) 38.0 μg/m3 (36) 21.0 μg/m3 (70) 70.0
 
Sept. 21, 2021, 2 a.m. N/A N/A N/A 56.0 ppb (54) N/A 2.0 ppb (3) 17.0 ppb (16) 0.8 ppb (10) 41.0 μg/m3 (38) 20.0 μg/m3 (68) 68.0
 
Sept. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 15.0 ppb (14) 0.9 ppb (11) 21.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Sept. 21, 2021, midnight N/A N/A N/A 23.0 ppb (22) N/A 2.0 ppb (3) 37.0 ppb (35) 0.3 ppb (4) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 35.0
 
Sept. 20, 2021, 11 p.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 45.0 ppb (42) 0.0 ppb (0) 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
Sept. 20, 2021, 10 p.m. N/A N/A N/A 15.0 ppb (15) N/A 2.0 ppb (3) 50.0 ppb (47) 0.1 ppb (2) 35.0 μg/m3 (33) 19.0 μg/m3 (66) 66.0
 
Sept. 20, 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) 30.0 μg/m3 (28) 21.0 μg/m3 (70) 106.0
 
Sept. 20, 2021, 8 p.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (5) 89.0 ppb (111) 0.3 ppb (4) 26.0 μg/m3 (25) 21.0 μg/m3 (70) 111.0
 
Sept. 20, 2021, 7 p.m. N/A N/A N/A 20.0 ppb (19) N/A 3.0 ppb (5) 67.0 ppb (91) 0.3 ppb (4) 45.0 μg/m3 (42) 37.0 μg/m3 (105) 105.0
 
Sept. 20, 2021, 6 p.m. N/A N/A N/A 30.0 ppb (29) N/A 2.0 ppb (3) 52.0 ppb (49) 0.4 ppb (5) 46.0 μg/m3 (43) 37.0 μg/m3 (105) 105.0
 
Sept. 20, 2021, 5 p.m. N/A N/A N/A 38.0 ppb (36) N/A 2.0 ppb (3) 32.0 ppb (30) 0.7 ppb (8) 40.0 μg/m3 (38) 33.0 μg/m3 (95) 95.0
 
Sept. 20, 2021, 4 p.m. N/A N/A N/A 32.0 ppb (31) N/A 2.0 ppb (3) 20.0 ppb (19) 0.6 ppb (7) 38.0 μg/m3 (36) 26.0 μg/m3 (81) 81.0
 
Sept. 20, 2021, 3 p.m. N/A N/A N/A 32.0 ppb (31) N/A 2.0 ppb (3) 6.0 ppb (6) 0.8 ppb (10) 32.0 μg/m3 (30) 20.0 μg/m3 (68) 68.0
 
Sept. 20, 2021, 2 p.m. N/A N/A N/A 29.0 ppb (28) N/A 2.0 ppb (3) 2.0 ppb (2) 1.0 ppb (12) 35.0 μg/m3 (33) 21.0 μg/m3 (70) 70.0
 
Sept. 20, 2021, 1 p.m. N/A N/A N/A 28.0 ppb (27) N/A 3.0 ppb (5) 2.0 ppb (2) 1.4 ppb (16) 25.0 μg/m3 (24) 20.0 μg/m3 (68) 68.0
 
Sept. 20, 2021, noon N/A N/A N/A 27.0 ppb (26) N/A 2.0 ppb (3) 1.0 ppb (1) 0.6 ppb (7) 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0