ID: 908

AQSQID: 550250041

Site Name: Madison East

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

Updated: May 26, 2022, 7:19 a.m.

Location: Madison (Emerson E), WI

Reporting: True, Located: True

Current AQI: 23.0

Madison (Emerson E) WI, US: 43.1008, -89.3572

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 26, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 5.5 μg/m3 (23) 23.0
 
May 26, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 6.5 μg/m3 (28) 28.0
 
May 26, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 5.4 μg/m3 (23) 23.0
 
May 26, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 5.3 μg/m3 (23) 23.0
 
May 26, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 4.7 μg/m3 (20) 20.0
 
May 26, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 4.6 μg/m3 (20) 20.0
 
May 25, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 3.8 μg/m3 (16) 16.0
 
May 25, 2022, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 3.2 μg/m3 (14) 14.0
 
May 25, 2022, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 3.2 μg/m3 (14) 14.0
 
May 25, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 4.0 μg/m3 (17) 17.0
 
May 25, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 5.6 μg/m3 (24) 24.0
 
May 25, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 5.6 μg/m3 (24) 24.0
 
May 25, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 5.9 μg/m3 (25) 25.0
 
May 25, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 5.9 μg/m3 (25) 25.0
 
May 25, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 5.5 μg/m3 (23) 23.0
 
May 25, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 5.5 μg/m3 (23) 23.0
 
May 25, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 4.8 μg/m3 (20) 20.0
 
May 25, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 4.8 μg/m3 (20) 20.0
 
May 25, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 6.9 μg/m3 (29) 29.0
 
May 25, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 8.7 μg/m3 (37) 37.0
 
May 25, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 9.1 μg/m3 (38) 38.0
 
May 25, 2022, 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 4.0 μg/m3 (17) 29.0
 
May 25, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 4.8 μg/m3 (20) 35.0
 
May 25, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 4.8 μg/m3 (20) 32.0
 
May 25, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 4.9 μg/m3 (21) 36.0
 
May 25, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 5.2 μg/m3 (22) 38.0
 
May 24, 2022, 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 5.5 μg/m3 (23) 40.0
 
May 24, 2022, 8 p.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 24, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 6.2 μg/m3 (26) 40.0
 
May 24, 2022, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 7.5 μg/m3 (32) 38.0
 
May 24, 2022, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 8.1 μg/m3 (34) 36.0
 
May 24, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 7.1 μg/m3 (30) 32.0
 
May 24, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 6.2 μg/m3 (26) 28.0
 
May 24, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 5.4 μg/m3 (23) 26.0
 
May 24, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 4.1 μg/m3 (18) 25.0
 
May 24, 2022, 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 4.3 μg/m3 (18) 26.0
 
May 24, 2022, 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 4.3 μg/m3 (18) 26.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 4.1 μg/m3 (18) 29.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 4.1 μg/m3 (18) 29.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 4.2 μg/m3 (18) 37.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 4.2 μg/m3 (18) 37.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 5.2 μg/m3 (22) 39.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 5.2 μg/m3 (22) 39.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 5.3 μg/m3 (23) 42.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 5.3 μg/m3 (23) 42.0
 
May 23, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 4.7 μg/m3 (20) 44.0
 
May 23, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 4.8 μg/m3 (20) 42.0
 
May 23, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 5.0 μg/m3 (21) 41.0
 
May 23, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 4.4 μg/m3 (19) 37.0
 
May 23, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 4.3 μg/m3 (18) 33.0
 
May 23, 2022, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 5.9 μg/m3 (25) 25.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 6.1 μg/m3 (26) 26.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 6.1 μg/m3 (26) 26.0
 
May 23, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 5.7 μg/m3 (24) 24.0
 
May 23, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 3.8 μg/m3 (16) 29.0
 
May 23, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 3.6 μg/m3 (16) 30.0
 
May 23, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 4.2 μg/m3 (18) 32.0
 
May 23, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 2.9 μg/m3 (13) 34.0
 
May 22, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 2.4 μg/m3 (10) 35.0
 
May 22, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 1.9 μg/m3 (8) 36.0
 
May 22, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 2.2 μg/m3 (10) 36.0
 
May 22, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 2.6 μg/m3 (11) 35.0
 
May 22, 2022, 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 1.7 μg/m3 (8) 35.0
 
May 22, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 1.8 μg/m3 (8) 35.0
 
May 22, 2022, 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 2.4 μg/m3 (10) 33.0
 
May 22, 2022, 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
 
May 22, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
May 22, 2022, 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 3.0 μg/m3 (13) 30.0
 
May 22, 2022, 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 3.0 μg/m3 (13) 30.0
 
May 22, 2022, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 3.9 μg/m3 (17) 26.0
 
May 22, 2022, 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 4.6 μg/m3 (20) 26.0
 
May 22, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 4.7 μg/m3 (20) 29.0
 
May 22, 2022, 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 4.3 μg/m3 (18) 29.0
 
May 22, 2022, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 4.4 μg/m3 (19) 30.0
 
May 22, 2022, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 3.8 μg/m3 (16) 31.0
 
May 22, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 3.7 μg/m3 (16) 30.0
 
May 22, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 2.3 μg/m3 (10) 27.0
 
May 22, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 1.9 μg/m3 (8) 28.0
 
May 22, 2022, 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 2.0 μg/m3 (9) 27.0
 
May 22, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 1.4 μg/m3 (6) 30.0
 
May 21, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 2.0 μg/m3 (9) 32.0
 
May 21, 2022, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 3.1 μg/m3 (13) 33.0
 
May 21, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 4.2 μg/m3 (18) 33.0
 
May 21, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 4.7 μg/m3 (20) 32.0
 
May 21, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
May 21, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 4.7 μg/m3 (20) 29.0
 
May 21, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 4.9 μg/m3 (21) 26.0
 
May 21, 2022, 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 4.8 μg/m3 (20) 26.0
 
May 21, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 4.1 μg/m3 (18) 26.0
 
May 21, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 4.5 μg/m3 (19) 25.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 4.6 μg/m3 (20) 25.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 4.6 μg/m3 (20) 25.0
 
May 21, 2022, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 4.8 μg/m3 (20) 25.0
 
May 21, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 3.7 μg/m3 (16) 28.0
 
May 21, 2022, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
May 21, 2022, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 4.1 μg/m3 (18) 30.0
 
May 21, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 3.7 μg/m3 (16) 33.0
 
May 21, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.5 μg/m3 (15) 34.0
 
May 21, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 3.3 μg/m3 (14) 36.0
 
May 21, 2022, 1 a.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
 
May 21, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 3.7 μg/m3 (16) 39.0
 
May 20, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 4.4 μg/m3 (19) 42.0
 
May 20, 2022, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 5.1 μg/m3 (22) 42.0
 
May 20, 2022, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) N/A N/A 4.4 μg/m3 (19) 46.0
 
May 20, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 5.3 μg/m3 (23) 32.0
 
May 20, 2022, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 5.2 μg/m3 (22) 32.0
 
May 20, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 5.9 μg/m3 (25) 28.0
 
May 20, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 6.6 μg/m3 (28) 28.0
 
May 20, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 9.6 μg/m3 (40) 40.0
 
May 20, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 9.9 μg/m3 (42) 42.0
 
May 20, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 27.0 ppb (25) N/A N/A 9.4 μg/m3 (40) 40.0
 
May 20, 2022, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 9.4 μg/m3 (40) 40.0
 
May 20, 2022, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 9.9 μg/m3 (42) 42.0
 
May 20, 2022, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) N/A N/A 10.2 μg/m3 (43) 43.0
 
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 9.0 μg/m3 (38) 38.0
 
May 20, 2022, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 40.0 ppb (38) N/A N/A 7.2 μg/m3 (31) 38.0
 
May 20, 2022, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 6.3 μg/m3 (27) 39.0
 
May 20, 2022, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 7.7 μg/m3 (33) 41.0
 
May 20, 2022, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 50.0 ppb (47) N/A N/A 7.7 μg/m3 (33) 47.0
 
May 20, 2022, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 51.0 ppb (48) N/A N/A 7.5 μg/m3 (32) 48.0
 
May 20, 2022, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 6.8 μg/m3 (29) 50.0
 
May 20, 2022, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 6.1 μg/m3 (26) 51.0
 
May 20, 2022, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 55.0 ppb (51) N/A N/A 6.1 μg/m3 (26) 51.0
 
May 20, 2022, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 56.0 ppb (55) N/A N/A 5.8 μg/m3 (25) 55.0
 
May 20, 2022, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) 56.0 ppb (55) N/A N/A 5.8 μg/m3 (25) 55.0
 
May 19, 2022, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 59.0 ppb (65) N/A N/A 6.8 μg/m3 (29) 65.0
 
May 19, 2022, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 62.0 ppb (74) N/A N/A 8.1 μg/m3 (34) 74.0
 
May 19, 2022, 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 7.0 μg/m3 (30) 49.0
 
May 19, 2022, 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 7.8 μg/m3 (33) 39.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 7.7 μg/m3 (33) 37.0
 
May 19, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 7.7 μg/m3 (33) 37.0
 
May 19, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 11.5 μg/m3 (48) 48.0
 
May 19, 2022, 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 12.3 μg/m3 (52) 52.0
 
May 19, 2022, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 11.0 μg/m3 (46) 46.0
 
May 19, 2022, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 9.5 μg/m3 (40) 40.0
 
May 19, 2022, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 9.9 μg/m3 (42) 42.0
 
May 19, 2022, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 9.8 μg/m3 (41) 41.0
 
May 19, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 10.9 μg/m3 (46) 46.0
 
May 19, 2022, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 10.0 μg/m3 (42) 42.0
 
May 18, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 8.8 μg/m3 (37) 39.0
 
May 18, 2022, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 8.4 μg/m3 (36) 39.0
 
May 18, 2022, 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 7.9 μg/m3 (33) 39.0
 
May 18, 2022, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 6.9 μg/m3 (29) 37.0
 
May 18, 2022, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 5.6 μg/m3 (24) 37.0
 
May 18, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 3.9 μg/m3 (17) 37.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 3.8 μg/m3 (16) 35.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 3.8 μg/m3 (16) 35.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.9 μg/m3 (17) 34.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.9 μg/m3 (17) 34.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.9 μg/m3 (17) 34.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 3.9 μg/m3 (17) 34.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 4.1 μg/m3 (18) 35.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 4.1 μg/m3 (18) 35.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 4.2 μg/m3 (18) 31.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 4.2 μg/m3 (18) 31.0
 
May 18, 2022, 11 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
 
May 18, 2022, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
May 18, 2022, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 3.8 μg/m3 (16) 18.0
 
May 18, 2022, 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 3.3 μg/m3 (14) 34.0
 
May 18, 2022, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 3.2 μg/m3 (14) 35.0
 
May 17, 2022, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 3.1 μg/m3 (13) 36.0
 
May 17, 2022, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 3.1 μg/m3 (13) 35.0
 
May 17, 2022, 9 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
 
May 17, 2022, 9 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