ID: 1387

AQSQID: 550030010

Site Name: Bad River Tribal School

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

Updated: May 25, 2022, 7:37 a.m.

Location: Ashland (Kakagon Rd), WI

Reporting: True, Located: True

Current AQI: 29.0

Ashland (Kakagon Rd) WI, US: 46.6144, -90.6986

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.1 μg/m3 (18) 29.0
 
May 25, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
May 25, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.0 μg/m3 (17) 43.0
 
May 25, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.1 μg/m3 (18) 37.0
 
May 25, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.1 μg/m3 (18) 40.0
 
May 25, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 4.1 μg/m3 (18) 45.0
 
May 25, 2022, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 4.1 μg/m3 (18) 47.0
 
May 24, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 3.9 μg/m3 (17) 46.0
 
May 24, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 4.0 μg/m3 (17) 46.0
 
May 24, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 4.0 μg/m3 (17) 47.0
 
May 24, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 4.0 μg/m3 (17) 47.0
 
May 24, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 4.2 μg/m3 (18) 47.0
 
May 24, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 4.0 μg/m3 (17) 46.0
 
May 24, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.0 μg/m3 (17) 43.0
 
May 24, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.9 μg/m3 (17) 40.0
 
May 24, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.2 μg/m3 (18) 35.0
 
May 24, 2022, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.5 μg/m3 (19) 33.0
 
May 24, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.9 μg/m3 (21) 33.0
 
May 24, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.4 μg/m3 (19) 27.0
 
May 24, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 4.2 μg/m3 (18) 23.0
 
May 24, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 4.2 μg/m3 (18) 18.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 4.1 μg/m3 (18) 18.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 4.1 μg/m3 (18) 18.0
 
May 24, 2022, 4 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 24, 2022, 4 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 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 4.4 μg/m3 (19) 19.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 4.4 μg/m3 (19) 19.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.3 μg/m3 (18) 28.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.3 μg/m3 (18) 28.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.7 μg/m3 (16) 38.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.7 μg/m3 (16) 38.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.5 μg/m3 (15) 42.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.5 μg/m3 (15) 42.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 3.5 μg/m3 (15) 44.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 3.5 μg/m3 (15) 44.0
 
May 23, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 3.6 μg/m3 (16) 44.0
 
May 23, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 3.7 μg/m3 (16) 43.0
 
May 23, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.8 μg/m3 (16) 42.0
 
May 23, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.2 μg/m3 (18) 37.0
 
May 23, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
May 23, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.6 μg/m3 (16) 27.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.5 μg/m3 (15) 27.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.5 μg/m3 (15) 27.0
 
May 23, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.4 μg/m3 (15) 27.0
 
May 23, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.4 μg/m3 (15) 29.0
 
May 23, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.6 μg/m3 (16) 23.0
 
May 23, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.1 μg/m3 (13) 31.0
 
May 23, 2022, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.7 μg/m3 (12) 38.0
 
May 22, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.6 μg/m3 (11) 40.0
 
May 22, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.1 μg/m3 (9) 39.0
 
May 22, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.6 μg/m3 (7) 38.0
 
May 22, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.3 μg/m3 (6) 32.0
 
May 22, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.4 μg/m3 (6) 30.0
 
May 22, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.4 μg/m3 (6) 32.0
 
May 22, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.4 μg/m3 (6) 32.0
 
May 22, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.3 μg/m3 (6) 30.0
 
May 22, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.6 μg/m3 (7) 28.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 1.7 μg/m3 (8) 27.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 1.7 μg/m3 (8) 27.0
 
May 22, 2022, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.8 μg/m3 (8) 25.0
 
May 22, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.7 μg/m3 (8) 25.0
 
May 22, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 1.3 μg/m3 (6) 25.0
 
May 22, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
May 22, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 0.8 μg/m3 (4) 26.0
 
May 22, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 1.4 μg/m3 (6) 25.0
 
May 22, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 1.2 μg/m3 (5) 19.0
 
May 22, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 0.9 μg/m3 (4) 20.0
 
May 22, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 0.9 μg/m3 (4) 21.0
 
May 22, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
May 22, 2022, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
May 21, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 0.5 μg/m3 (3) 27.0
 
May 21, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 0.5 μg/m3 (3) 28.0
 
May 21, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 0.5 μg/m3 (3) 29.0
 
May 21, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 0.5 μg/m3 (3) 29.0
 
May 21, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 0.6 μg/m3 (3) 28.0
 
May 21, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 0.7 μg/m3 (3) 27.0
 
May 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 0.9 μg/m3 (4) 28.0
 
May 21, 2022, 4 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 21, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.0 μg/m3 (5) 28.0
 
May 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 0.7 μg/m3 (3) 26.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 0.5 μg/m3 (3) 26.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 0.5 μg/m3 (3) 26.0
 
May 21, 2022, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 0.5 μg/m3 (3) 25.0
 
May 21, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 0.4 μg/m3 (2) 25.0
 
May 21, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 0.3 μg/m3 (2) 25.0
 
May 21, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 0.3 μg/m3 (2) 25.0
 
May 21, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 0.9 μg/m3 (4) 27.0
 
May 21, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.8 μg/m3 (8) 30.0
 
May 21, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
May 21, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.7 μg/m3 (12) 38.0
 
May 21, 2022, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.4 μg/m3 (10) 40.0
 
May 20, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 2.5 μg/m3 (11) 44.0
 
May 20, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 2.6 μg/m3 (11) 43.0
 
May 20, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.7 μg/m3 (12) 42.0
 
May 20, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.9 μg/m3 (13) 39.0
 
May 20, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.2 μg/m3 (14) 38.0
 
May 20, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.7 μg/m3 (16) 35.0
 
May 20, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.5 μg/m3 (15) 31.0
 
May 20, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.3 μg/m3 (14) 28.0
 
May 20, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
May 20, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.8 μg/m3 (16) 24.0
 
May 20, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 6.2 μg/m3 (26) 26.0
 
May 20, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
May 20, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 6.7 μg/m3 (28) 28.0
 
May 20, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 5.9 μg/m3 (25) 25.0
 
May 20, 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 20, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 6.2 μg/m3 (26) 26.0
 
May 20, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.8 μg/m3 (25) 29.0
 
May 20, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.1 μg/m3 (22) 34.0
 
May 20, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.8 μg/m3 (20) 36.0
 
May 20, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.5 μg/m3 (19) 32.0
 
May 20, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.3 μg/m3 (18) 32.0
 
May 20, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.3 μg/m3 (18) 32.0
 
May 20, 2022, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.4 μg/m3 (19) 33.0
 
May 20, 2022, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.4 μg/m3 (19) 33.0
 
May 19, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.5 μg/m3 (19) 33.0
 
May 19, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.9 μg/m3 (21) 32.0
 
May 19, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.3 μg/m3 (23) 32.0
 
May 19, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.8 μg/m3 (20) 30.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.9 μg/m3 (21) 30.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.9 μg/m3 (21) 30.0
 
May 19, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.3 μg/m3 (23) 31.0
 
May 19, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.7 μg/m3 (16) 22.0
 
May 19, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.7 μg/m3 (20) 27.0
 
May 19, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.5 μg/m3 (19) 28.0
 
May 19, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.3 μg/m3 (18) 30.0
 
May 19, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.2 μg/m3 (18) 32.0
 
May 19, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.1 μg/m3 (18) 32.0
 
May 19, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.2 μg/m3 (18) 34.0
 
May 18, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 4.2 μg/m3 (18) 46.0
 
May 18, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.5 μg/m3 (15) 42.0
 
May 18, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.5 μg/m3 (11) 39.0
 
May 18, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.7 μg/m3 (12) 38.0
 
May 18, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.5 μg/m3 (15) 42.0
 
May 18, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.9 μg/m3 (17) 35.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.9 μg/m3 (17) 35.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.8 μg/m3 (16) 36.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.8 μg/m3 (16) 36.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.9 μg/m3 (17) 36.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.9 μg/m3 (17) 36.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.8 μg/m3 (16) 36.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.8 μg/m3 (16) 36.0
 
May 18, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.9 μg/m3 (17) 33.0
 
May 18, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
May 18, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.3 μg/m3 (14) 38.0
 
May 18, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 3.5 μg/m3 (15) 43.0
 
May 18, 2022, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 3.0 μg/m3 (13) 43.0
 
May 17, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.9 μg/m3 (13) 42.0
 
May 17, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.5 μg/m3 (11) 40.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.2 μg/m3 (10) 38.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.2 μg/m3 (10) 38.0
 
May 17, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.0 μg/m3 (9) 37.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.9 μg/m3 (8) 35.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.9 μg/m3 (8) 35.0
 
May 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
May 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
May 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
May 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
May 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.4 μg/m3 (6) 31.0
 
May 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.4 μg/m3 (6) 31.0
 
May 17, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 0.6 μg/m3 (3) 25.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 1.1 μg/m3 (5) 14.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 1.1 μg/m3 (5) 14.0