ID: 492

AQSQID: 260490021

Site Name: Flint

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

Updated: May 25, 2022, 6:36 a.m.

Location: Flint (Pennsylvania Ave), MI

Reporting: True, Located: True

Current AQI: 29.0

Flint (Pennsylvania Ave) MI, US: 43.0289, -83.669403

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
May 25, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 9.9 μg/m3 (42) 42.0
 
May 25, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 6.1 μg/m3 (26) 34.0
 
May 25, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
May 25, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 7.0 μg/m3 (30) 33.0
 
May 25, 2022, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 7.0 μg/m3 (30) 34.0
 
May 24, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.1 μg/m3 (18) 36.0
 
May 24, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 4.0 μg/m3 (17) 48.0
 
May 24, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 5.0 μg/m3 (21) 45.0
 
May 24, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.1 μg/m3 (9) 42.0
 
May 24, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.0 μg/m3 (5) 39.0
 
May 24, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.9 μg/m3 (17) 38.0
 
May 24, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 5.0 μg/m3 (21) 37.0
 
May 24, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.1 μg/m3 (13) 32.0
 
May 24, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.0 μg/m3 (9) 28.0
 
May 24, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
May 24, 2022, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 4.9 μg/m3 (21) 25.0
 
May 24, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
May 24, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
May 24, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 4.0 μg/m3 (17) 17.0
 
May 24, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 2.0 μg/m3 (9) 19.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 24.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 24.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
May 23, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.0 μg/m3 (9) 35.0
 
May 23, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.9 μg/m3 (17) 34.0
 
May 23, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
May 23, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 5.9 μg/m3 (25) 26.0
 
May 23, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 4.1 μg/m3 (18) 25.0
 
May 23, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 3.1 μg/m3 (13) 17.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 3.1 μg/m3 (13) 17.0
 
May 23, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
May 23, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 4.0 μg/m3 (17) 20.0
 
May 23, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
May 23, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
May 23, 2022, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
May 22, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
May 22, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.9 μg/m3 (25) 32.0
 
May 22, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
May 22, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
May 22, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
May 22, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.1 μg/m3 (13) 26.0
 
May 22, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 24.0
 
May 22, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 0.1 μg/m3 (1) 20.0
 
May 22, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 0.0 μg/m3 (0) 17.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 2.9 μg/m3 (13) 17.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 2.9 μg/m3 (13) 17.0
 
May 22, 2022, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 4.9 μg/m3 (21) 21.0
 
May 22, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 3.1 μg/m3 (13) 18.0
 
May 22, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 3.0 μg/m3 (13) 18.0
 
May 22, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 4.0 μg/m3 (17) 20.0
 
May 22, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 5.9 μg/m3 (25) 25.0
 
May 22, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 6.0 μg/m3 (25) 26.0
 
May 22, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 7.9 μg/m3 (33) 33.0
 
May 22, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
May 22, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.1 μg/m3 (18) 27.0
 
May 22, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
May 22, 2022, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
May 21, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
May 21, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.1 μg/m3 (18) 36.0
 
May 21, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.0 μg/m3 (13) 35.0
 
May 21, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.9 μg/m3 (21) 37.0
 
May 21, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.9 μg/m3 (29) 36.0
 
May 21, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 7.0 μg/m3 (30) 38.0
 
May 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.1 μg/m3 (22) 38.0
 
May 21, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
May 21, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.1 μg/m3 (18) 34.0
 
May 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
May 21, 2022, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
May 21, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 21, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 7.9 μg/m3 (33) 33.0
 
May 21, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 8.0 μg/m3 (34) 34.0
 
May 21, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 11.9 μg/m3 (50) 50.0
 
May 21, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 21, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 10.0 μg/m3 (42) 47.0
 
May 21, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 12.9 μg/m3 (53) 53.0
 
May 21, 2022, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 20, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 16.8 μg/m3 (61) 61.0
 
May 20, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 15.1 μg/m3 (58) 58.0
 
May 20, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 16.0 μg/m3 (60) 60.0
 
May 20, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 12.1 μg/m3 (51) 51.0
 
May 20, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 8.1 μg/m3 (34) 45.0
 
May 20, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 9.0 μg/m3 (38) 47.0
 
May 20, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 10.0 μg/m3 (42) 45.0
 
May 20, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 20, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 20, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 20, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 9.9 μg/m3 (42) 42.0
 
May 20, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 13.9 μg/m3 (55) 55.0
 
May 20, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 11.1 μg/m3 (47) 47.0
 
May 20, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 8.1 μg/m3 (34) 36.0
 
May 20, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 20, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 10.9 μg/m3 (46) 46.0
 
May 20, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (38) 38.0
 
May 20, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 10.9 μg/m3 (46) 46.0
 
May 20, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 14.9 μg/m3 (57) 57.0
 
May 20, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 13.1 μg/m3 (54) 54.0
 
May 20, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 13.0 μg/m3 (53) 53.0
 
May 20, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 13.0 μg/m3 (53) 53.0
 
May 20, 2022, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 20, 2022, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 19, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 10.1 μg/m3 (43) 48.0
 
May 19, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 12.9 μg/m3 (53) 53.0
 
May 19, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 14.0 μg/m3 (55) 55.0
 
May 19, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 7.2 μg/m3 (31) 50.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 8.0 μg/m3 (34) 49.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 8.0 μg/m3 (34) 49.0
 
May 19, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 19, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 10.1 μg/m3 (43) 43.0
 
May 19, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 20.9 μg/m3 (70) 70.0
 
May 19, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 10.4 μg/m3 (44) 44.0
 
May 19, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 19, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 7.1 μg/m3 (30) 30.0
 
May 19, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 19, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 7.0 μg/m3 (30) 30.0
 
May 18, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 6.1 μg/m3 (26) 26.0
 
May 18, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 18, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
May 18, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
May 18, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 8.9 μg/m3 (38) 38.0
 
May 18, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 4.1 μg/m3 (18) 18.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 3.0 μg/m3 (13) 14.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 3.0 μg/m3 (13) 14.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
May 18, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 3.0 μg/m3 (13) 17.0
 
May 18, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 2.0 μg/m3 (9) 16.0
 
May 18, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
May 18, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.0 μg/m3 (13) 35.0
 
May 18, 2022, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
May 17, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.9 μg/m3 (21) 38.0
 
May 17, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.1 μg/m3 (13) 38.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
May 17, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 2.0 μg/m3 (9) 34.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.0 μg/m3 (5) 29.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.0 μg/m3 (5) 29.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.9 μg/m3 (13) 25.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.9 μg/m3 (13) 25.0
 
May 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 4.9 μg/m3 (21) 24.0
 
May 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 4.9 μg/m3 (21) 24.0
 
May 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.1 μg/m3 (9) 23.0
 
May 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.1 μg/m3 (9) 23.0
 
May 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 1.0 μg/m3 (5) 21.0
 
May 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 1.0 μg/m3 (5) 21.0
 
May 17, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 2.9 μg/m3 (13) 17.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 7.9 μg/m3 (33) 33.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 7.9 μg/m3 (33) 33.0