ID: 1335

AQSQID: 550410007

Site Name: Potawatomi

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

Updated: May 6, 2021, 5:47 p.m.

Location: Crandon (Air Site Rd), WI

Reporting: True, Located: True

Current AQI: 40.0

Crandon (Air Site Rd) WI, US: 45.5639, -88.81

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 6, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 2.4 μg/m3 (10) 40.0
 
May 6, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 2.7 μg/m3 (12) 38.0
 
May 6, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 3.3 μg/m3 (14) 37.0
 
May 6, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 2.9 μg/m3 (13) 33.0
 
May 6, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 3.2 μg/m3 (14) 32.0
 
May 6, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 2.7 μg/m3 (12) 25.0
 
May 6, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 2.5 μg/m3 (11) 26.0
 
May 6, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 2.4 μg/m3 (10) 27.0
 
May 6, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 2.4 μg/m3 (10) 28.0
 
May 6, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 2.3 μg/m3 (10) 28.0
 
May 6, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 2.5 μg/m3 (11) 31.0
 
May 6, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 2.8 μg/m3 (12) 36.0
 
May 6, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 2.7 μg/m3 (12) 38.0
 
May 6, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 2.8 μg/m3 (12) 38.0
 
May 6, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 2.6 μg/m3 (11) 38.0
 
May 6, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 2.3 μg/m3 (10) 38.0
 
May 6, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 2.3 μg/m3 (10) 39.0
 
May 5, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 2.3 μg/m3 (10) 40.0
 
May 5, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 2.2 μg/m3 (10) 40.0
 
May 5, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 2.1 μg/m3 (9) 39.0
 
May 5, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
May 5, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 1.8 μg/m3 (8) 38.0
 
May 5, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 1.6 μg/m3 (7) 36.0
 
May 5, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 1.4 μg/m3 (6) 34.0
 
May 5, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 1.4 μg/m3 (6) 34.0
 
May 5, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 1.4 μg/m3 (6) 33.0
 
May 5, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 1.2 μg/m3 (5) 31.0
 
May 5, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 1.1 μg/m3 (5) 30.0
 
May 5, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 1.3 μg/m3 (6) 29.0
 
May 5, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 1.3 μg/m3 (6) 27.0
 
May 5, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 1.2 μg/m3 (5) 25.0
 
May 5, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 1.2 μg/m3 (5) 25.0
 
May 5, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 1.1 μg/m3 (5) 25.0
 
May 5, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 1.1 μg/m3 (5) 27.0
 
May 5, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 1.0 μg/m3 (5) 26.0
 
May 5, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 1.1 μg/m3 (5) 26.0
 
May 5, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 0.9 μg/m3 (4) 26.0
 
May 5, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 0.9 μg/m3 (4) 26.0
 
May 5, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 0.8 μg/m3 (4) 27.0
 
May 5, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 0.8 μg/m3 (4) 27.0
 
May 5, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 0.9 μg/m3 (4) 29.0
 
May 4, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 0.8 μg/m3 (4) 30.0
 
May 4, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 0.9 μg/m3 (4) 30.0
 
May 4, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 0.7 μg/m3 (3) 29.0
 
May 4, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 0.6 μg/m3 (3) 3.0
 
May 4, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 0.5 μg/m3 (3) 29.0
 
May 4, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 0.5 μg/m3 (3) 28.0
 
May 4, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 0.4 μg/m3 (2) 27.0
 
May 4, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 0.3 μg/m3 (2) 26.0
 
May 4, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 0.4 μg/m3 (2) 25.0
 
May 4, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 0.3 μg/m3 (2) 25.0
 
May 4, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 0.3 μg/m3 (2) 24.0
 
May 4, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 0.2 μg/m3 (1) 23.0
 
May 4, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 0.3 μg/m3 (2) 23.0
 
May 4, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 0.3 μg/m3 (2) 25.0
 
May 4, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 0.3 μg/m3 (2) 24.0
 
May 4, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 0.5 μg/m3 (3) 25.0
 
May 4, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 1.0 μg/m3 (5) 25.0
 
May 4, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 1.1 μg/m3 (5) 27.0
 
May 4, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 1.9 μg/m3 (8) 26.0
 
May 4, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 3.1 μg/m3 (13) 25.0
 
May 4, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
May 4, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 2.1 μg/m3 (9) 23.0
 
May 4, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.4 μg/m3 (10) 23.0
 
May 4, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 1.5 μg/m3 (7) 25.0
 
May 3, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.1 μg/m3 (5) 25.0
 
May 3, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 1.2 μg/m3 (5) 25.0
 
May 3, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 0.8 μg/m3 (4) 25.0
 
May 3, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
May 3, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 0.7 μg/m3 (3) 26.0
 
May 3, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 0.8 μg/m3 (4) 27.0
 
May 3, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 0.9 μg/m3 (4) 27.0
 
May 3, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 1.0 μg/m3 (5) 28.0
 
May 3, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 1.3 μg/m3 (6) 29.0
 
May 3, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 1.3 μg/m3 (6) 29.0
 
May 3, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 2.1 μg/m3 (9) 30.0
 
May 3, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 3.6 μg/m3 (16) 31.0
 
May 3, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
May 3, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 34.0 ppb (32) N/A N/A 5.8 μg/m3 (25) 32.0
 
May 3, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 6.4 μg/m3 (27) 33.0
 
May 3, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 6.8 μg/m3 (29) 36.0
 
May 3, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 7.3 μg/m3 (31) 37.0
 
May 3, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 7.1 μg/m3 (30) 37.0
 
May 3, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 7.4 μg/m3 (31) 37.0
 
May 3, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 7.7 μg/m3 (33) 40.0
 
May 3, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 8.0 μg/m3 (34) 42.0
 
May 3, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 7.4 μg/m3 (31) 44.0
 
May 3, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 6.4 μg/m3 (27) 45.0
 
May 3, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 6.2 μg/m3 (26) 46.0
 
May 2, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 5.4 μg/m3 (23) 45.0
 
May 2, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 49.0 ppb (46) N/A N/A 5.5 μg/m3 (23) 46.0
 
May 2, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 5.9 μg/m3 (25) 49.0
 
May 2, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 5.7 μg/m3 (24) 49.0
 
May 2, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 5.6 μg/m3 (24) 49.0
 
May 2, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 5.4 μg/m3 (23) 49.0
 
May 2, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 52.0 ppb (49) N/A N/A 5.6 μg/m3 (24) 49.0
 
May 2, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 53.0 ppb (50) N/A N/A 6.3 μg/m3 (27) 50.0
 
May 2, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 7.6 μg/m3 (32) 51.0
 
May 2, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 53.0 ppb (50) N/A N/A 7.8 μg/m3 (33) 50.0
 
May 2, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 7.3 μg/m3 (31) 48.0
 
May 2, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 48.0 ppb (45) N/A N/A 6.7 μg/m3 (28) 45.0
 
May 2, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 6.7 μg/m3 (28) 44.0
 
May 2, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 6.7 μg/m3 (28) 43.0
 
May 2, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 6.9 μg/m3 (29) 44.0
 
May 2, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 6.7 μg/m3 (28) 44.0
 
May 2, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 6.8 μg/m3 (29) 45.0
 
May 2, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 6.7 μg/m3 (28) 44.0
 
May 2, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 47.0 ppb (44) N/A N/A 6.8 μg/m3 (29) 44.0
 
May 2, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 6.8 μg/m3 (29) 43.0
 
May 2, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 48.0 ppb (45) N/A N/A 6.0 μg/m3 (25) 45.0
 
May 2, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 5.8 μg/m3 (25) 47.0
 
May 2, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 53.0 ppb (50) N/A N/A 5.6 μg/m3 (24) 50.0
 
May 2, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 53.0 ppb (50) N/A N/A 5.5 μg/m3 (23) 50.0
 
May 1, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 5.6 μg/m3 (24) 50.0
 
May 1, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 5.8 μg/m3 (25) 51.0
 
May 1, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 5.8 μg/m3 (25) 50.0
 
May 1, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 53.0 ppb (50) N/A N/A 6.4 μg/m3 (27) 50.0
 
May 1, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 6.8 μg/m3 (29) 48.0
 
May 1, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 49.0 ppb (46) N/A N/A 6.9 μg/m3 (29) 46.0
 
May 1, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 7.1 μg/m3 (30) 43.0
 
May 1, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 7.8 μg/m3 (33) 38.0
 
May 1, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 39.0 ppb (37) N/A N/A 8.0 μg/m3 (34) 37.0
 
May 1, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 7.6 μg/m3 (32) 38.0
 
May 1, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 7.4 μg/m3 (31) 38.0
 
May 1, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) 43.0 ppb (40) N/A N/A 6.6 μg/m3 (28) 40.0
 
May 1, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 5.6 μg/m3 (24) 40.0
 
May 1, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 4.6 μg/m3 (20) 40.0
 
May 1, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 4.2 μg/m3 (18) 39.0
 
May 1, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 4.3 μg/m3 (18) 38.0
 
May 1, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 4.3 μg/m3 (18) 38.0
 
May 1, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 4.1 μg/m3 (18) 38.0
 
May 1, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 4.1 μg/m3 (18) 39.0
 
May 1, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 3.8 μg/m3 (16) 41.0
 
May 1, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 3.9 μg/m3 (17) 41.0
 
May 1, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
May 1, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 3.8 μg/m3 (16) 39.0
 
May 1, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 3.6 μg/m3 (16) 40.0
 
April 30, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 3.6 μg/m3 (16) 40.0
 
April 30, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 3.6 μg/m3 (16) 41.0
 
April 30, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 3.5 μg/m3 (15) 40.0
 
April 30, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 3.3 μg/m3 (14) 38.0
 
April 30, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 3.2 μg/m3 (14) 36.0
 
April 30, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 2.9 μg/m3 (13) 35.0
 
April 30, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 2.8 μg/m3 (12) 34.0
 
April 30, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 2.8 μg/m3 (12) 33.0
 
April 30, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 2.7 μg/m3 (12) 33.0
 
April 30, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 2.8 μg/m3 (12) 32.0
 
April 30, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 3.1 μg/m3 (13) 30.0
 
April 30, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.4 μg/m3 (15) 29.0
 
April 30, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 3.8 μg/m3 (16) 26.0
 
April 30, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
April 30, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 4.2 μg/m3 (18) 29.0
 
April 30, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 4.1 μg/m3 (18) 31.0
 
April 30, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.9 μg/m3 (17) 34.0
 
April 30, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.9 μg/m3 (17) 34.0
 
April 30, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 3.5 μg/m3 (15) 33.0
 
April 30, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.3 μg/m3 (14) 34.0
 
April 30, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 3.2 μg/m3 (14) 32.0
 
April 30, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
April 30, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
April 30, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.1 μg/m3 (13) 34.0
 
April 29, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.3 μg/m3 (14) 34.0
 
April 29, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 3.6 μg/m3 (16) 28.0
 
April 29, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 2.4 μg/m3 (10) 30.0
 
April 29, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 1.0 μg/m3 (5) 39.0
 
April 29, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 2.7 μg/m3 (12) 36.0
 
April 29, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 4.3 μg/m3 (18) 40.0
 
April 29, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 4.3 μg/m3 (18) 43.0