ID: 2349

AQSQID: 800090133

Site Name: Tlahuac

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

Updated: Sept. 19, 2021, 10:57 p.m.

Location: Mexico City (Ninguno), MX

Reporting: True, Located: True

Current AQI: 33.0

Mexico City (Ninguno) MX, MX: 19.2464, -99.01

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 19, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 3.0 ppb (5) 35.0 ppb (33) 0.4 ppb (5) 4.0 μg/m3 (4) N/A 33.0
 
Sept. 19, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 3.0 ppb (5) 42.0 ppb (39) 0.4 ppb (5) N/A N/A 39.0
 
Sept. 19, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 3.0 ppb (5) 37.0 ppb (35) 0.4 ppb (5) N/A N/A 35.0
 
Sept. 19, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 3.0 ppb (5) 37.0 ppb (35) 0.4 ppb (5) 3.0 μg/m3 (3) N/A 35.0
 
Sept. 19, 2021, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (5) 37.0 ppb (35) 0.4 ppb (5) N/A N/A 35.0
 
Sept. 19, 2021, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 3.0 ppb (5) 28.0 ppb (26) 0.5 ppb (6) 8.0 μg/m3 (8) N/A 26.0
 
Sept. 19, 2021, 3 p.m. N/A N/A N/A 10.0 ppb (10) N/A 3.0 ppb (5) 17.0 ppb (16) 0.6 ppb (7) 1.0 μg/m3 (1) N/A 16.0
 
Sept. 19, 2021, 2 p.m. N/A N/A N/A 10.0 ppb (10) N/A 3.0 ppb (5) 16.0 ppb (15) 0.6 ppb (7) 7.0 μg/m3 (7) N/A 15.0
 
Sept. 19, 2021, 1 p.m. N/A N/A N/A 13.0 ppb (13) N/A 3.0 ppb (5) 8.0 ppb (8) 0.6 ppb (7) N/A N/A 13.0
 
Sept. 19, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A 3.0 ppb (5) 13.0 ppb (13) 0.4 ppb (5) N/A N/A 13.0
 
Sept. 19, 2021, 11 a.m. N/A N/A N/A 9.0 ppb (9) N/A 3.0 ppb (5) 13.0 ppb (13) 0.5 ppb (6) N/A N/A 13.0
 
Sept. 19, 2021, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 3.0 ppb (5) 18.0 ppb (17) 0.4 ppb (5) N/A N/A 17.0
 
Sept. 19, 2021, 9 a.m. N/A N/A N/A 8.0 ppb (8) N/A 3.0 ppb (5) 17.0 ppb (16) 0.4 ppb (5) 2.0 μg/m3 (2) N/A 16.0
 
Sept. 19, 2021, 8 a.m. N/A N/A N/A 11.0 ppb (11) N/A 3.0 ppb (5) 15.0 ppb (14) 0.5 ppb (6) 1.0 μg/m3 (1) N/A 14.0
 
Sept. 19, 2021, 7 a.m. N/A N/A N/A 14.0 ppb (14) N/A 3.0 ppb (5) 17.0 ppb (16) 0.6 ppb (7) 14.0 μg/m3 (13) N/A 16.0
 
Sept. 19, 2021, 6 a.m. N/A N/A N/A 22.0 ppb (21) N/A 3.0 ppb (5) 6.0 ppb (6) 0.8 ppb (10) 15.0 μg/m3 (14) N/A 21.0
 
Sept. 19, 2021, 5 a.m. N/A N/A N/A 25.0 ppb (24) N/A 3.0 ppb (5) 5.0 ppb (5) 0.8 ppb (10) 9.0 μg/m3 (9) N/A 24.0
 
Sept. 19, 2021, 4 a.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (5) 11.0 ppb (11) 0.7 ppb (8) 10.0 μg/m3 (10) N/A 18.0
 
Sept. 19, 2021, 3 a.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (5) 12.0 ppb (12) 0.7 ppb (8) 4.0 μg/m3 (4) N/A 18.0
 
Sept. 19, 2021, 2 a.m. N/A N/A N/A 14.0 ppb (14) N/A 3.0 ppb (5) 19.0 ppb (18) 0.6 ppb (7) 17.0 μg/m3 (16) N/A 18.0
 
Sept. 19, 2021, 1 a.m. N/A N/A N/A 15.0 ppb (15) N/A 3.0 ppb (5) 25.0 ppb (24) 0.7 ppb (8) 39.0 μg/m3 (37) N/A 37.0
 
Sept. 19, 2021, midnight N/A N/A N/A 10.0 ppb (10) N/A 3.0 ppb (5) 46.0 ppb (43) 0.6 ppb (7) 44.0 μg/m3 (41) N/A 43.0
 
Sept. 18, 2021, 11 p.m. N/A N/A N/A 14.0 ppb (14) N/A 3.0 ppb (5) 69.0 ppb (97) 0.7 ppb (8) 32.0 μg/m3 (30) N/A 97.0
 
Sept. 18, 2021, 10 p.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (5) 72.0 ppb (102) 0.7 ppb (8) 27.0 μg/m3 (25) N/A 102.0
 
Sept. 18, 2021, 9 p.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (5) 75.0 ppb (104) 0.7 ppb (8) 23.0 μg/m3 (22) N/A 104.0
 
Sept. 18, 2021, 8 p.m. N/A N/A N/A 16.0 ppb (16) N/A 3.0 ppb (5) 74.0 ppb (103) 0.7 ppb (8) 31.0 μg/m3 (29) N/A 103.0
 
Sept. 18, 2021, 7 p.m. N/A N/A N/A 20.0 ppb (19) N/A 3.0 ppb (5) 60.0 ppb (68) 0.7 ppb (8) 25.0 μg/m3 (24) N/A 68.0
 
Sept. 18, 2021, 6 p.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (5) 41.0 ppb (38) 0.7 ppb (8) 20.0 μg/m3 (19) N/A 38.0
 
Sept. 18, 2021, 5 p.m. N/A N/A N/A 17.0 ppb (17) N/A 4.0 ppb (6) 31.0 ppb (29) 0.7 ppb (8) 9.0 μg/m3 (9) N/A 29.0
 
Sept. 18, 2021, 4 p.m. N/A N/A N/A 14.0 ppb (14) N/A 4.0 ppb (6) 26.0 ppb (25) 0.6 ppb (7) 14.0 μg/m3 (13) N/A 25.0
 
Sept. 18, 2021, 3 p.m. N/A N/A N/A 20.0 ppb (19) N/A 4.0 ppb (6) 14.0 ppb (13) 0.7 ppb (8) 23.0 μg/m3 (22) N/A 22.0
 
Sept. 18, 2021, 2 p.m. N/A N/A N/A 21.0 ppb (20) N/A 4.0 ppb (6) 10.0 ppb (10) 0.7 ppb (8) 13.0 μg/m3 (13) N/A 20.0
 
Sept. 18, 2021, 1 p.m. N/A N/A N/A 23.0 ppb (22) N/A 5.0 ppb (8) 6.0 ppb (6) 0.7 ppb (8) 9.0 μg/m3 (9) N/A 22.0
 
Sept. 18, 2021, noon N/A N/A N/A 16.0 ppb (16) N/A 5.0 ppb (8) 12.0 ppb (12) 0.5 ppb (6) 10.0 μg/m3 (10) N/A 16.0
 
Sept. 18, 2021, 11 a.m. N/A N/A N/A 13.0 ppb (13) N/A 5.0 ppb (8) 14.0 ppb (13) 0.5 ppb (6) 13.0 μg/m3 (13) N/A 13.0
 
Sept. 18, 2021, 10 a.m. N/A N/A N/A 19.0 ppb (18) N/A 3.0 ppb (5) 11.0 ppb (11) 0.5 ppb (6) 16.0 μg/m3 (15) N/A 18.0
 
Sept. 18, 2021, 9 a.m. N/A N/A N/A 22.0 ppb (21) N/A 3.0 ppb (5) 11.0 ppb (11) 0.5 ppb (6) 17.0 μg/m3 (16) N/A 21.0
 
Sept. 18, 2021, 8 a.m. N/A N/A N/A 21.0 ppb (20) N/A 3.0 ppb (5) 14.0 ppb (13) 0.6 ppb (7) 7.0 μg/m3 (7) N/A 20.0
 
Sept. 18, 2021, 7 a.m. N/A N/A N/A 17.0 ppb (17) N/A 3.0 ppb (5) 21.0 ppb (20) 0.6 ppb (7) 9.0 μg/m3 (9) N/A 20.0
 
Sept. 18, 2021, 6 a.m. N/A N/A N/A 30.0 ppb (29) N/A 3.0 ppb (5) 17.0 ppb (16) 0.9 ppb (11) 21.0 μg/m3 (20) N/A 29.0
 
Sept. 18, 2021, 5 a.m. N/A N/A N/A 37.0 ppb (35) N/A 3.0 ppb (5) 16.0 ppb (15) 1.0 ppb (12) 29.0 μg/m3 (27) N/A 35.0
 
Sept. 18, 2021, 4 a.m. N/A N/A N/A 28.0 ppb (27) N/A 3.0 ppb (5) 23.0 ppb (22) 0.9 ppb (11) 21.0 μg/m3 (20) N/A 27.0
 
Sept. 18, 2021, 3 a.m. N/A N/A N/A 23.0 ppb (22) N/A 3.0 ppb (5) 26.0 ppb (25) 0.8 ppb (10) 18.0 μg/m3 (17) N/A 25.0
 
Sept. 18, 2021, 2 a.m. N/A N/A N/A 20.0 ppb (19) N/A 3.0 ppb (5) 31.0 ppb (29) 0.7 ppb (8) 20.0 μg/m3 (19) N/A 29.0
 
Sept. 18, 2021, 1 a.m. N/A N/A N/A 22.0 ppb (21) N/A 3.0 ppb (5) 26.0 ppb (25) 0.7 ppb (8) 40.0 μg/m3 (38) N/A 38.0
 
Sept. 18, 2021, midnight N/A N/A N/A 10.0 ppb (10) N/A 3.0 ppb (5) 31.0 ppb (29) 0.5 ppb (6) 24.0 μg/m3 (23) N/A 29.0
 
Sept. 17, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (5) 41.0 ppb (38) 0.4 ppb (5) 6.0 μg/m3 (6) N/A 38.0
 
Sept. 17, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 3.0 ppb (5) 49.0 ppb (46) 0.4 ppb (5) 13.0 μg/m3 (13) N/A 46.0
 
Sept. 17, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 3.0 ppb (5) 52.0 ppb (49) 0.4 ppb (5) 26.0 μg/m3 (25) N/A 49.0
 
Sept. 17, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 4.0 ppb (6) 65.0 ppb (84) 0.5 ppb (6) 37.0 μg/m3 (35) N/A 84.0
 
Sept. 17, 2021, 7 p.m. N/A N/A N/A 7.0 ppb (7) N/A 5.0 ppb (8) 62.0 ppb (74) 0.5 ppb (6) 29.0 μg/m3 (27) N/A 74.0
 
Sept. 17, 2021, 6 p.m. N/A N/A N/A 9.0 ppb (9) N/A 7.0 ppb (10) 62.0 ppb (74) 0.6 ppb (7) 46.0 μg/m3 (43) N/A 74.0
 
Sept. 17, 2021, 5 p.m. N/A N/A N/A 10.0 ppb (10) N/A 10.0 ppb (15) 46.0 ppb (43) 0.6 ppb (7) 36.0 μg/m3 (34) N/A 43.0
 
Sept. 17, 2021, 4 p.m. N/A N/A N/A 11.0 ppb (11) N/A 7.0 ppb (10) 29.0 ppb (27) 0.7 ppb (8) 49.0 μg/m3 (46) N/A 46.0
 
Sept. 17, 2021, 3 p.m. N/A N/A N/A 13.0 ppb (13) N/A 3.0 ppb (5) 12.0 ppb (12) 0.8 ppb (10) 41.0 μg/m3 (38) N/A 38.0
 
Sept. 17, 2021, 2 p.m. N/A N/A N/A 14.0 ppb (14) N/A 3.0 ppb (5) 7.0 ppb (7) 0.8 ppb (10) 38.0 μg/m3 (36) N/A 36.0
 
Sept. 17, 2021, 1 p.m. N/A N/A N/A 14.0 ppb (14) N/A 3.0 ppb (5) 3.0 ppb (3) 0.8 ppb (10) 29.0 μg/m3 (27) N/A 27.0
 
Sept. 17, 2021, noon N/A N/A N/A 15.0 ppb (15) N/A 3.0 ppb (5) 2.0 ppb (2) 0.7 ppb (8) 28.0 μg/m3 (26) N/A 26.0
 
Sept. 17, 2021, 11 a.m. N/A N/A N/A 16.0 ppb (16) N/A 3.0 ppb (5) 5.0 ppb (5) 0.6 ppb (7) 19.0 μg/m3 (18) N/A 18.0
 
Sept. 17, 2021, 10 a.m. N/A N/A N/A 9.0 ppb (9) N/A 3.0 ppb (5) 12.0 ppb (12) 0.5 ppb (6) 18.0 μg/m3 (17) N/A 17.0
 
Sept. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) N/A 27.0
 
Sept. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) N/A 29.0
 
Sept. 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) N/A 27.0
 
Sept. 17, 2021, 6 a.m. N/A N/A N/A 21.0 ppb (20) N/A 3.0 ppb (5) 11.0 ppb (11) 0.8 ppb (10) 22.0 μg/m3 (21) N/A 21.0
 
Sept. 17, 2021, 5 a.m. N/A N/A N/A 14.0 ppb (14) N/A 3.0 ppb (5) 22.0 ppb (21) 0.6 ppb (7) 14.0 μg/m3 (13) N/A 21.0
 
Sept. 17, 2021, 4 a.m. N/A N/A N/A 14.0 ppb (14) N/A 3.0 ppb (5) 26.0 ppb (25) 0.6 ppb (7) 16.0 μg/m3 (15) N/A 25.0
 
Sept. 17, 2021, 3 a.m. N/A N/A N/A 9.0 ppb (9) N/A 3.0 ppb (5) 28.0 ppb (26) 0.5 ppb (6) 28.0 μg/m3 (26) N/A 26.0
 
Sept. 17, 2021, 2 a.m. N/A N/A N/A 14.0 ppb (14) N/A 3.0 ppb (5) 29.0 ppb (27) 0.7 ppb (8) 34.0 μg/m3 (32) N/A 32.0
 
Sept. 17, 2021, 1 a.m. N/A N/A N/A 11.0 ppb (11) N/A 3.0 ppb (5) 36.0 ppb (34) 0.6 ppb (7) 20.0 μg/m3 (19) N/A 34.0
 
Sept. 17, 2021, midnight N/A N/A N/A 7.0 ppb (7) N/A 4.0 ppb (6) 48.0 ppb (45) 0.5 ppb (6) 28.0 μg/m3 (26) N/A 45.0
 
Sept. 16, 2021, 11 p.m. N/A N/A N/A 11.0 ppb (11) N/A 3.0 ppb (5) 61.0 ppb (71) 0.6 ppb (7) 0.0 μg/m3 (0) N/A 71.0
 
Sept. 16, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (5) 41.0 ppb (38) 0.4 ppb (5) 0.0 μg/m3 (0) N/A 38.0
 
Sept. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) N/A 22.0
 
Sept. 16, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 3.0 ppb (5) 37.0 ppb (35) 0.4 ppb (5) 3.0 μg/m3 (3) N/A 35.0
 
Sept. 16, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 3.0 ppb (5) 36.0 ppb (34) 0.4 ppb (5) 22.0 μg/m3 (21) N/A 34.0
 
Sept. 16, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (5) 50.0 ppb (47) 0.5 ppb (6) 26.0 μg/m3 (25) N/A 47.0
 
Sept. 16, 2021, 5 p.m. N/A N/A N/A 7.0 ppb (7) N/A 3.0 ppb (5) 47.0 ppb (44) 0.5 ppb (6) 39.0 μg/m3 (37) N/A 44.0
 
Sept. 16, 2021, 4 p.m. N/A N/A N/A 9.0 ppb (9) N/A 3.0 ppb (5) 33.0 ppb (31) 0.6 ppb (7) 40.0 μg/m3 (38) N/A 38.0
 
Sept. 16, 2021, 3 p.m. N/A N/A N/A 9.0 ppb (9) N/A 3.0 ppb (5) 15.0 ppb (14) 0.7 ppb (8) 23.0 μg/m3 (22) N/A 22.0
 
Sept. 16, 2021, 2 p.m. N/A N/A N/A 8.0 ppb (8) N/A 3.0 ppb (5) 9.0 ppb (9) 0.5 ppb (6) 33.0 μg/m3 (31) N/A 31.0
 
Sept. 16, 2021, 1 p.m. N/A N/A N/A 10.0 ppb (10) N/A 3.0 ppb (5) 3.0 ppb (3) 0.7 ppb (8) 38.0 μg/m3 (36) N/A 36.0
 
Sept. 16, 2021, noon N/A N/A N/A 11.0 ppb (11) N/A 3.0 ppb (5) 2.0 ppb (2) 0.8 ppb (10) 35.0 μg/m3 (33) N/A 33.0
 
Sept. 16, 2021, 11 a.m. N/A N/A N/A 11.0 ppb (11) N/A 3.0 ppb (5) 4.0 ppb (4) 0.7 ppb (8) 36.0 μg/m3 (34) N/A 34.0
 
Sept. 16, 2021, 10 a.m. N/A N/A N/A 12.0 ppb (12) N/A 3.0 ppb (5) 5.0 ppb (5) 0.7 ppb (8) 48.0 μg/m3 (45) N/A 45.0
 
Sept. 16, 2021, 9 a.m. N/A N/A N/A 13.0 ppb (13) N/A 3.0 ppb (5) 5.0 ppb (5) 0.8 ppb (10) 37.0 μg/m3 (35) N/A 35.0
 
Sept. 16, 2021, 8 a.m. N/A N/A N/A 14.0 ppb (14) N/A 3.0 ppb (5) 5.0 ppb (5) 0.9 ppb (11) 75.0 μg/m3 (61) N/A 61.0
 
Sept. 16, 2021, 7 a.m. N/A N/A N/A 18.0 ppb (17) N/A 4.0 ppb (6) 4.0 ppb (4) 1.1 ppb (13) 65.0 μg/m3 (56) N/A 56.0
 
Sept. 16, 2021, 6 a.m. N/A N/A N/A 18.0 ppb (17) N/A 4.0 ppb (6) 4.0 ppb (4) 1.1 ppb (13) 74.0 μg/m3 (61) N/A 61.0
 
Sept. 16, 2021, 5 a.m. N/A N/A N/A 21.0 ppb (20) N/A 4.0 ppb (6) 5.0 ppb (5) 1.1 ppb (13) 51.0 μg/m3 (48) N/A 48.0
 
Sept. 16, 2021, 4 a.m. N/A N/A N/A 17.0 ppb (17) N/A 3.0 ppb (5) 11.0 ppb (11) 0.9 ppb (11) 37.0 μg/m3 (35) N/A 35.0
 
Sept. 16, 2021, 3 a.m. N/A N/A N/A 10.0 ppb (10) N/A 3.0 ppb (5) 21.0 ppb (20) 0.6 ppb (7) 44.0 μg/m3 (41) N/A 41.0
 
Sept. 16, 2021, 2 a.m. N/A N/A N/A 10.0 ppb (10) N/A 3.0 ppb (5) 22.0 ppb (21) 0.6 ppb (7) 33.0 μg/m3 (31) N/A 31.0
 
Sept. 16, 2021, 1 a.m. N/A N/A N/A 8.0 ppb (8) N/A 3.0 ppb (5) 23.0 ppb (22) 0.6 ppb (7) 24.0 μg/m3 (23) N/A 23.0
 
Sept. 16, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (5) 36.0 ppb (34) 0.5 ppb (6) 7.0 μg/m3 (7) N/A 34.0
 
Sept. 15, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (5) 35.0 ppb (33) 0.5 ppb (6) 14.0 μg/m3 (13) N/A 33.0
 
Sept. 15, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 3.0 ppb (5) 32.0 ppb (30) 0.4 ppb (5) N/A N/A 30.0
 
Sept. 15, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 3.0 ppb (5) 33.0 ppb (31) 0.4 ppb (5) 4.0 μg/m3 (4) N/A 31.0
 
Sept. 15, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 3.0 ppb (5) 31.0 ppb (29) 0.4 ppb (5) 29.0 μg/m3 (27) N/A 29.0
 
Sept. 15, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 3.0 ppb (5) 33.0 ppb (31) 0.4 ppb (5) 18.0 μg/m3 (17) N/A 31.0
 
Sept. 15, 2021, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 4.0 ppb (6) 46.0 ppb (43) 0.5 ppb (6) 41.0 μg/m3 (38) N/A 43.0
 
Sept. 15, 2021, 5 p.m. N/A N/A N/A 10.0 ppb (10) N/A 5.0 ppb (8) 35.0 ppb (33) 0.6 ppb (7) 41.0 μg/m3 (38) N/A 38.0
 
Sept. 15, 2021, 4 p.m. N/A N/A N/A 12.0 ppb (12) N/A 5.0 ppb (8) 20.0 ppb (19) 0.7 ppb (8) 30.0 μg/m3 (28) N/A 28.0
 
Sept. 15, 2021, 3 p.m. N/A N/A N/A 9.0 ppb (9) N/A 3.0 ppb (5) 10.0 ppb (10) 0.7 ppb (8) 37.0 μg/m3 (35) N/A 35.0
 
Sept. 15, 2021, 2 p.m. N/A N/A N/A 9.0 ppb (9) N/A 3.0 ppb (5) 5.0 ppb (5) 1.0 ppb (12) 23.0 μg/m3 (22) N/A 22.0
 
Sept. 15, 2021, 1 p.m. N/A N/A N/A 10.0 ppb (10) N/A 3.0 ppb (5) 2.0 ppb (2) 0.9 ppb (11) 19.0 μg/m3 (18) N/A 18.0
 
Sept. 15, 2021, noon N/A N/A N/A 9.0 ppb (9) N/A 3.0 ppb (5) 2.0 ppb (2) 0.8 ppb (10) 6.0 μg/m3 (6) N/A 10.0
 
Sept. 15, 2021, 11 a.m. N/A N/A N/A 7.0 ppb (7) N/A 3.0 ppb (5) 6.0 ppb (6) 0.5 ppb (6) 6.0 μg/m3 (6) N/A 7.0
 
Sept. 15, 2021, 10 a.m. N/A N/A N/A 7.0 ppb (7) N/A 3.0 ppb (5) 7.0 ppb (7) 0.4 ppb (5) 8.0 μg/m3 (8) N/A 8.0
 
Sept. 15, 2021, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A 3.0 ppb (5) 8.0 ppb (8) 0.5 ppb (6) 8.0 μg/m3 (8) N/A 8.0
 
Sept. 15, 2021, 8 a.m. N/A N/A N/A 8.0 ppb (8) N/A 2.0 ppb (3) 8.0 ppb (8) 0.5 ppb (6) 12.0 μg/m3 (12) N/A 12.0
 
Sept. 15, 2021, 7 a.m. N/A N/A N/A 8.0 ppb (8) N/A 2.0 ppb (3) 9.0 ppb (9) 0.5 ppb (6) 11.0 μg/m3 (11) N/A 11.0
 
Sept. 15, 2021, 6 a.m. N/A N/A N/A 10.0 ppb (10) N/A 3.0 ppb (5) 7.0 ppb (7) 0.6 ppb (7) 16.0 μg/m3 (15) N/A 15.0
 
Sept. 15, 2021, 5 a.m. N/A N/A N/A 11.0 ppb (11) N/A 3.0 ppb (5) 8.0 ppb (8) 0.6 ppb (7) 28.0 μg/m3 (26) N/A 26.0
 
Sept. 15, 2021, 4 a.m. N/A N/A N/A 15.0 ppb (15) N/A 3.0 ppb (5) 4.0 ppb (4) 0.8 ppb (10) 28.0 μg/m3 (26) N/A 26.0
 
Sept. 15, 2021, 3 a.m. N/A N/A N/A 13.0 ppb (13) N/A 3.0 ppb (5) 7.0 ppb (7) 0.7 ppb (8) 17.0 μg/m3 (16) N/A 16.0
 
Sept. 15, 2021, 2 a.m. N/A N/A N/A 8.0 ppb (8) N/A 3.0 ppb (5) 14.0 ppb (13) 0.5 ppb (6) 16.0 μg/m3 (15) N/A 15.0
 
Sept. 15, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 3.0 ppb (5) 20.0 ppb (19) 0.4 ppb (5) 2.0 μg/m3 (2) N/A 19.0
 
Sept. 15, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 3.0 ppb (5) 24.0 ppb (23) 0.4 ppb (5) 5.0 μg/m3 (5) N/A 23.0
 
Sept. 14, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 3.0 ppb (5) 25.0 ppb (24) 0.4 ppb (5) 4.0 μg/m3 (4) N/A 24.0
 
Sept. 14, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 29.0 ppb (27) 0.4 ppb (5) N/A N/A 27.0
 
Sept. 14, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 29.0 ppb (27) 0.4 ppb (5) 2.0 μg/m3 (2) N/A 27.0
 
Sept. 14, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 2.0 ppb (3) 28.0 ppb (26) 0.4 ppb (5) 0.0 μg/m3 (0) N/A 26.0
 
Sept. 14, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 28.0 ppb (26) 0.4 ppb (5) 5.0 μg/m3 (5) N/A 26.0
 
Sept. 14, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 2.0 ppb (3) 23.0 ppb (22) 0.3 ppb (4) 4.0 μg/m3 (4) N/A 22.0
 
Sept. 14, 2021, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A 2.0 ppb (3) 23.0 ppb (22) 0.4 ppb (5) N/A N/A 22.0
 
Sept. 14, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 21.0 ppb (20) 0.4 ppb (5) 8.0 μg/m3 (8) N/A 20.0
 
Sept. 14, 2021, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 3.0 ppb (5) 16.0 ppb (15) 0.5 ppb (6) 17.0 μg/m3 (16) N/A 16.0
 
Sept. 14, 2021, 2 p.m. N/A N/A N/A 12.0 ppb (12) N/A 3.0 ppb (5) 6.0 ppb (6) 0.9 ppb (11) 15.0 μg/m3 (14) N/A 14.0
 
Sept. 14, 2021, 1 p.m. N/A N/A N/A 11.0 ppb (11) N/A 3.0 ppb (5) 2.0 ppb (2) 0.9 ppb (11) 6.0 μg/m3 (6) N/A 11.0
 
Sept. 14, 2021, noon N/A N/A N/A 9.0 ppb (9) N/A 3.0 ppb (5) 4.0 ppb (4) 0.6 ppb (7) 0.0 μg/m3 (0) N/A 9.0
 
Sept. 14, 2021, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 3.0 ppb (5) 8.0 ppb (8) 0.4 ppb (5) 1.0 μg/m3 (1) N/A 8.0
 
Sept. 14, 2021, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 10.0 ppb (10) 0.4 ppb (5) 1.0 μg/m3 (1) N/A 10.0
 
Sept. 14, 2021, 9 a.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 11.0 ppb (11) 0.4 ppb (5) 0.0 μg/m3 (0) N/A 11.0
 
Sept. 14, 2021, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 13.0 ppb (13) 0.4 ppb (5) 2.0 μg/m3 (2) N/A 13.0
 
Sept. 14, 2021, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 15.0 ppb (14) 0.4 ppb (5) N/A N/A 14.0
 
Sept. 14, 2021, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 15.0 ppb (14) 0.4 ppb (5) 5.0 μg/m3 (5) N/A 14.0
 
Sept. 14, 2021, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A 2.0 ppb (3) 13.0 ppb (13) 0.4 ppb (5) 10.0 μg/m3 (10) N/A 13.0
 
Sept. 14, 2021, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 17.0 ppb (16) 0.4 ppb (5) 6.0 μg/m3 (6) N/A 16.0
 
Sept. 14, 2021, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 2.0 ppb (3) 17.0 ppb (16) 0.4 ppb (5) 8.0 μg/m3 (8) N/A 16.0
 
Sept. 14, 2021, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 17.0 ppb (16) 0.4 ppb (5) 9.0 μg/m3 (9) N/A 16.0
 
Sept. 14, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 16.0 ppb (15) 0.4 ppb (5) 7.0 μg/m3 (7) N/A 15.0
 
Sept. 14, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 18.0 ppb (17) 0.4 ppb (5) 4.0 μg/m3 (4) N/A 17.0
 
Sept. 13, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 20.0 ppb (19) 0.4 ppb (5) 2.0 μg/m3 (2) N/A 19.0
 
Sept. 13, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 2.0 ppb (3) 21.0 ppb (20) 0.4 ppb (5) 3.0 μg/m3 (3) N/A 20.0
 
Sept. 13, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 21.0 ppb (20) 0.4 ppb (5) 4.0 μg/m3 (4) N/A 20.0
 
Sept. 13, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 22.0 ppb (21) 0.4 ppb (5) 6.0 μg/m3 (6) N/A 21.0
 
Sept. 13, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 21.0 ppb (20) 0.4 ppb (5) 1.0 μg/m3 (1) N/A 20.0
 
Sept. 13, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 21.0 ppb (20) 0.4 ppb (5) N/A N/A 20.0
 
Sept. 13, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 19.0 ppb (18) 0.4 ppb (5) 1.0 μg/m3 (1) N/A 18.0
 
Sept. 13, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 2.0 ppb (3) 18.0 ppb (17) 0.4 ppb (5) 1.0 μg/m3 (1) N/A 17.0
 
Sept. 13, 2021, 3 p.m. N/A N/A N/A 7.0 ppb (7) N/A 3.0 ppb (5) 16.0 ppb (15) 0.5 ppb (6) 18.0 μg/m3 (17) N/A 17.0
 
Sept. 13, 2021, 2 p.m. N/A N/A N/A 17.0 ppb (17) N/A 3.0 ppb (5) 5.0 ppb (5) 0.8 ppb (10) 15.0 μg/m3 (14) N/A 17.0
 
Sept. 13, 2021, 1 p.m. N/A N/A N/A 14.0 ppb (14) N/A 3.0 ppb (5) 4.0 ppb (4) 0.6 ppb (7) 6.0 μg/m3 (6) N/A 14.0
 
Sept. 13, 2021, noon N/A N/A N/A 11.0 ppb (11) N/A 2.0 ppb (3) 8.0 ppb (8) 0.5 ppb (6) 7.0 μg/m3 (7) N/A 11.0
 
Sept. 13, 2021, 11 a.m. N/A N/A N/A 11.0 ppb (11) N/A 3.0 ppb (5) 10.0 ppb (10) 0.5 ppb (6) 3.0 μg/m3 (3) N/A 11.0
 
Sept. 13, 2021, 10 a.m. N/A N/A N/A 7.0 ppb (7) N/A 2.0 ppb (3) 14.0 ppb (13) 0.4 ppb (5) 2.0 μg/m3 (2) N/A 13.0
 
Sept. 13, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 2.0 ppb (3) 18.0 ppb (17) 0.4 ppb (5) 0.0 μg/m3 (0) N/A 17.0
 
Sept. 13, 2021, 8 a.m. N/A N/A N/A 8.0 ppb (8) N/A 2.0 ppb (3) 16.0 ppb (15) 0.4 ppb (5) 2.0 μg/m3 (2) N/A 15.0
 
Sept. 13, 2021, 7 a.m. N/A N/A N/A 15.0 ppb (15) N/A 2.0 ppb (3) 11.0 ppb (11) 0.5 ppb (6) 3.0 μg/m3 (3) N/A 15.0
 
Sept. 13, 2021, 6 a.m. N/A N/A N/A 16.0 ppb (16) N/A 2.0 ppb (3) 11.0 ppb (11) 0.6 ppb (7) 5.0 μg/m3 (5) N/A 16.0
 
Sept. 13, 2021, 5 a.m. N/A N/A N/A 13.0 ppb (13) N/A 2.0 ppb (3) 14.0 ppb (13) 0.5 ppb (6) 7.0 μg/m3 (7) N/A 13.0
 
Sept. 13, 2021, 4 a.m. N/A N/A N/A 12.0 ppb (12) N/A 2.0 ppb (3) 17.0 ppb (16) 0.6 ppb (7) 9.0 μg/m3 (9) N/A 16.0
 
Sept. 13, 2021, 3 a.m. N/A N/A N/A 10.0 ppb (10) N/A 2.0 ppb (3) 19.0 ppb (18) 0.5 ppb (6) 25.0 μg/m3 (24) N/A 24.0
 
Sept. 13, 2021, 2 a.m. N/A N/A N/A 10.0 ppb (10) N/A 3.0 ppb (5) 19.0 ppb (18) 0.6 ppb (7) 28.0 μg/m3 (26) N/A 26.0
 
Sept. 13, 2021, 1 a.m. N/A N/A N/A 11.0 ppb (11) N/A 2.0 ppb (3) 28.0 ppb (26) 0.6 ppb (7) 21.0 μg/m3 (20) N/A 26.0
 
Sept. 13, 2021, midnight N/A N/A N/A 10.0 ppb (10) N/A 3.0 ppb (5) 36.0 ppb (34) 0.6 ppb (7) 18.0 μg/m3 (17) N/A 34.0
 
Sept. 12, 2021, 11 p.m. N/A N/A N/A 10.0 ppb (10) N/A 3.0 ppb (5) 45.0 ppb (42) 0.6 ppb (7) 21.0 μg/m3 (20) N/A 42.0
 
Sept. 12, 2021, 10 p.m. N/A N/A N/A 12.0 ppb (12) N/A 3.0 ppb (5) 49.0 ppb (46) 0.6 ppb (7) 15.0 μg/m3 (14) N/A 46.0