ID: 513

AQSQID: 270750005

Site Name: Ely

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

Updated: May 28, 2022, 12:42 p.m.

Location: Ely (Forest Rt 1544), MN

Reporting: True, Located: True

Current AQI: 35.0

Ely (Forest Rt 1544) MN, US: 47.9464, -91.4953

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 28, 2022, 11 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 28, 2022, 10 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 28, 2022, 10 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 28, 2022, 9 a.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 28, 2022, 9 a.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 28, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
May 28, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
May 28, 2022, 7 a.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 28, 2022, 7 a.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 28, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 16.0 μg/m3 (60) 60.0
 
May 28, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 16.0 μg/m3 (60) 60.0
 
May 28, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
May 28, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
May 28, 2022, 3 a.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 27, 2022, 7 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 27, 2022, 7 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 27, 2022, 6 p.m. 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 27, 2022, 5 p.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 27, 2022, 5 p.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 27, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 6.0 μg/m3 (25) 39.0
 
May 27, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
May 27, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
May 27, 2022, 2 p.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 27, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 1.0 μg/m3 (5) 36.0
 
May 27, 2022, 4 a.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 27, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.0 μg/m3 (13) 36.0
 
May 27, 2022, 2 a.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 27, 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 27, 2022, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
May 26, 2022, 11 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 26, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
May 26, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A N/A 39.0
 
May 26, 2022, 8 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 26, 2022, 8 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 26, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.0 μg/m3 (9) 39.0
 
May 26, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.0 μg/m3 (9) 39.0
 
May 26, 2022, 6 p.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 26, 2022, 6 p.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 26, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.0 μg/m3 (5) 40.0
 
May 26, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.0 μg/m3 (5) 40.0
 
May 26, 2022, 4 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 26, 2022, 4 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 26, 2022, 3 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 26, 2022, 2 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 26, 2022, 2 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 26, 2022, 5 a.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 26, 2022, 4 a.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 26, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.0 μg/m3 (0) 36.0
 
May 26, 2022, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
May 25, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
May 25, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.0 μg/m3 (9) 40.0
 
May 25, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.0 μg/m3 (9) 40.0
 
May 25, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.0 μg/m3 (5) 40.0
 
May 25, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.0 μg/m3 (13) 41.0
 
May 25, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.0 μg/m3 (13) 41.0
 
May 25, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 6.0 μg/m3 (25) 43.0
 
May 25, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 6.0 μg/m3 (25) 43.0
 
May 25, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 5.0 μg/m3 (21) 44.0
 
May 25, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 5.0 μg/m3 (21) 44.0
 
May 25, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A -1.0 μg/m3 (0) 45.0
 
May 25, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A -1.0 μg/m3 (0) 45.0
 
May 25, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A -2.0 μg/m3 (0) 45.0
 
May 25, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
May 25, 2022, 1 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 25, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 6.0 μg/m3 (25) 39.0
 
May 25, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 4.0 μg/m3 (17) 44.0
 
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, 1 a.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 25, 2022, midnight 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, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 7.0 μg/m3 (30) 49.0
 
May 24, 2022, 8 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 24, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 7.0 μg/m3 (30) 49.0
 
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 9.0 μg/m3 (38) 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 6.0 μg/m3 (25) 47.0
 
May 24, 2022, 4 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, 3 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 7.0 μg/m3 (30) 45.0
 
May 24, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 8.0 μg/m3 (34) 41.0
 
May 24, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 24, 2022, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 6.0 μg/m3 (25) 39.0
 
May 24, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 8.0 μg/m3 (34) 40.0
 
May 24, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.0 μg/m3 (5) 41.0
 
May 24, 2022, 8 a.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 (0) 39.0
 
May 24, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 21.0 μg/m3 (70) 70.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
May 24, 2022, 4 a.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, 4 a.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, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.0 μg/m3 (17) 42.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.0 μg/m3 (17) 42.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 6.0 μg/m3 (25) 44.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 6.0 μg/m3 (25) 44.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 8.0 μg/m3 (34) 46.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 8.0 μg/m3 (34) 46.0
 
May 23, 2022, 8 p.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 23, 2022, 7 p.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 23, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 3.0 μg/m3 (13) 44.0
 
May 23, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
May 23, 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 23, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
May 23, 2022, 10 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, 10 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, 9 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, 3 a.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 23, 2022, 2 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 23, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
May 23, 2022, midnight 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 22, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
May 22, 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 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 3.0 μg/m3 (13) 38.0
 
May 22, 2022, 7 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 22, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
May 22, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
May 22, 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 22, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
May 22, 2022, 2 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 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
May 22, 2022, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
May 22, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
May 22, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 2.0 μg/m3 (9) 21.0
 
May 22, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 2.0 μg/m3 (9) 21.0
 
May 22, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 1.0 μg/m3 (5) 23.0
 
May 22, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 0.0 μg/m3 (0) 23.0
 
May 22, 2022, 5 a.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 22, 2022, 3 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 22, 2022, 2 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, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.0 μg/m3 (9) 26.0
 
May 22, 2022, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 0.0 μg/m3 (0) 28.0
 
May 21, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 2.0 μg/m3 (9) 29.0
 
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 5.0 μg/m3 (21) 28.0
 
May 21, 2022, 9 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, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
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 3.0 μg/m3 (13) 28.0
 
May 21, 2022, 6 p.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 21, 2022, 5 p.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 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 2.0 μg/m3 (9) 29.0
 
May 21, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 2.0 μg/m3 (9) 29.0
 
May 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.0 μg/m3 (13) 27.0
 
May 21, 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 21, 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 21, 2022, noon 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 21, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
May 21, 2022, 9 a.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 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 4.0 μg/m3 (17) 25.0
 
May 21, 2022, 4 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 21, 2022, 3 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 21, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 1.0 μg/m3 (5) 24.0
 
May 21, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
May 21, 2022, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
May 20, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 20, 2022, 10 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 20, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
May 20, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
May 20, 2022, 6 p.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 20, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 8.0 μg/m3 (34) 40.0
 
May 20, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
May 20, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.0 μg/m3 (9) 40.0
 
May 20, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.0 μg/m3 (13) 41.0
 
May 20, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
May 20, 2022, 11 a.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 20, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.0 μg/m3 (13) 25.0
 
May 20, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.0 μg/m3 (5) 26.0
 
May 20, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.0 μg/m3 (9) 26.0
 
May 20, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0