ID: 786

AQSQID: 480430101

Site Name: Big Bend Np

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

Updated: May 17, 2022, 8:49 p.m.

Location: Big Bend National Park (Chihuahuan Desert Research Station Rd), TX

Reporting: True, Located: True

Current AQI: 50.0

Big Bend National Park (Chihuahuan Desert Research Station Rd) TX, US: 29.3025, -103.178101

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A N/A 50.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A N/A 50.0
 
May 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 13.0 μg/m3 (53) 53.0
 
May 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 23.0 μg/m3 (74) 74.0
 
May 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 17.0 μg/m3 (62) 62.0
 
May 17, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 17.0 μg/m3 (62) 62.0
 
May 17, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
May 17, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 14.0 μg/m3 (55) 55.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 17, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
May 17, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 13.0 μg/m3 (53) 53.0
 
May 17, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A N/A 47.0
 
May 17, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 8.0 μg/m3 (34) 48.0
 
May 17, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
May 17, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A N/A 58.0
 
May 17, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A N/A 55.0
 
May 17, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A N/A 51.0
 
May 17, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A N/A 55.0
 
May 17, 2022, midnight N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 0.0 μg/m3 (0) 61.0
 
May 16, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 3.0 μg/m3 (13) 61.0
 
May 16, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A N/A 65.0
 
May 16, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 8.0 μg/m3 (34) 65.0
 
May 16, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 10.0 μg/m3 (42) 65.0
 
May 16, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 11.0 μg/m3 (46) 55.0
 
May 16, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 16.0 μg/m3 (60) 60.0
 
May 16, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 16, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 16, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 16.0 μg/m3 (60) 60.0
 
May 16, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 16.0 μg/m3 (60) 60.0
 
May 16, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 19.0 μg/m3 (66) 66.0
 
May 16, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A N/A 50.0
 
May 16, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 6.0 μg/m3 (25) 50.0
 
May 16, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A N/A 49.0
 
May 16, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A N/A 49.0
 
May 16, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A -3.0 μg/m3 (0) 49.0
 
May 16, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A -3.0 μg/m3 (0) 49.0
 
May 16, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A -3.0 μg/m3 (0) 48.0
 
May 16, 2022, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A -3.0 μg/m3 (0) 55.0
 
May 15, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A N/A 61.0
 
May 15, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A N/A 61.0
 
May 15, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A N/A 58.0
 
May 15, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 11.0 μg/m3 (46) 50.0
 
May 15, 2022, 6 p.m. 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 15, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 15.0 μg/m3 (58) 58.0
 
May 15, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 14.0 μg/m3 (55) 55.0
 
May 15, 2022, 10 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 15, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 8.0 μg/m3 (34) 36.0
 
May 15, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 15, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 7.0 μg/m3 (30) 38.0
 
May 15, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 9.0 μg/m3 (38) 42.0
 
May 15, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 9.0 μg/m3 (38) 42.0
 
May 15, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 7.0 μg/m3 (30) 44.0
 
May 15, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 7.0 μg/m3 (30) 44.0
 
May 15, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 6.0 μg/m3 (25) 45.0
 
May 15, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 3.0 μg/m3 (13) 45.0
 
May 15, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 1.0 μg/m3 (5) 48.0
 
May 15, 2022, midnight N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A -3.0 μg/m3 (0) 61.0
 
May 14, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 8.0 μg/m3 (34) 61.0
 
May 14, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 10.0 μg/m3 (42) 61.0
 
May 14, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A N/A 49.0
 
May 14, 2022, 7 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 14, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 9.0 μg/m3 (38) 46.0
 
May 14, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 15.0 μg/m3 (58) 58.0
 
May 14, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 15.0 μg/m3 (58) 58.0
 
May 14, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 15.0 μg/m3 (58) 58.0
 
May 14, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 20.0 μg/m3 (68) 68.0
 
May 14, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 20.0 μg/m3 (68) 68.0
 
May 14, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
May 14, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 14, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A -1.0 μg/m3 (0) 37.0
 
May 14, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 8.0 μg/m3 (34) 38.0
 
May 14, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.0 μg/m3 (5) 37.0
 
May 14, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
May 14, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.0 μg/m3 (0) 40.0
 
May 14, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 15.0 μg/m3 (58) 58.0
 
May 14, 2022, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
May 14, 2022, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 15.0 μg/m3 (58) 58.0
 
May 13, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 13, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 15.0 μg/m3 (58) 58.0
 
May 13, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 18.0 μg/m3 (64) 64.0
 
May 13, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 20.0 μg/m3 (68) 68.0
 
May 13, 2022, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 9.0 μg/m3 (38) 38.0
 
May 13, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 30.0
 
May 13, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 13, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 30.0
 
May 13, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 13, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
May 13, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 13, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 13, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 13, 2022, 4 a.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 13, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.0 μg/m3 (9) 39.0
 
May 13, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
May 13, 2022, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 2.0 μg/m3 (9) 49.0
 
May 12, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A N/A 50.0
 
May 12, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 6.0 μg/m3 (25) 50.0
 
May 12, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 8.0 μg/m3 (34) 50.0
 
May 12, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 17.0 μg/m3 (62) 62.0
 
May 12, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A N/A 48.0
 
May 12, 2022, 7 p.m. 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 12, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 13.0 μg/m3 (53) 53.0
 
May 12, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A N/A 46.0
 
May 12, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 12, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 44.0
 
May 12, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 12, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
May 12, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 14.0 μg/m3 (55) 55.0
 
May 12, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 18.0 μg/m3 (64) 64.0
 
May 12, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 18.0 μg/m3 (64) 64.0
 
May 12, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 17.0 μg/m3 (62) 62.0
 
May 12, 2022, noon 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 12, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
May 12, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
May 12, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
May 12, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 5.0 μg/m3 (21) 43.0
 
May 12, 2022, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A N/A 45.0
 
May 11, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A N/A 50.0
 
May 11, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A N/A 65.0
 
May 11, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 15.0 μg/m3 (58) 58.0
 
May 11, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 14.0 μg/m3 (55) 55.0
 
May 11, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 13.0 μg/m3 (53) 53.0
 
May 11, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 14.0 μg/m3 (55) 55.0
 
May 11, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 11, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 15.0 μg/m3 (58) 58.0
 
May 11, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 13.0 μg/m3 (53) 53.0
 
May 11, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
May 11, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 12.0 μg/m3 (50) 50.0
 
May 11, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
May 11, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
May 11, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
May 11, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
May 11, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
May 11, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
May 11, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
May 11, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
May 11, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
May 10, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
May 10, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 22.0 μg/m3 (72) 72.0
 
May 10, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 37.0 μg/m3 (105) 105.0
 
May 10, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 31.0 μg/m3 (91) 91.0
 
May 10, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 28.0 μg/m3 (85) 85.0
 
May 10, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 33.0 μg/m3 (95) 95.0
 
May 10, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 29.0 μg/m3 (87) 87.0
 
May 10, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 35.0 μg/m3 (100) 100.0
 
May 10, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 39.0 μg/m3 (110) 110.0
 
May 10, 2022, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
May 10, 2022, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 31.0 μg/m3 (91) 91.0
 
May 10, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
May 10, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 20.0 μg/m3 (68) 68.0
 
May 10, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 23.0 μg/m3 (74) 74.0
 
May 10, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 24.0 μg/m3 (77) 77.0
 
May 10, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 26.0 μg/m3 (81) 81.0
 
May 10, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 28.0 μg/m3 (85) 85.0
 
May 10, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 28.0 μg/m3 (85) 85.0
 
May 10, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
May 10, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 30.0 μg/m3 (89) 89.0
 
May 10, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
May 10, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A N/A 33.0
 
May 10, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
May 10, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
May 10, 2022, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
May 10, 2022, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
May 9, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A N/A 38.0
 
May 9, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
May 9, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
May 9, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0