AQSQID: 490494001

Site Name: Lindon

Location: Lindon (Battle Creek), UT

Reporting: True, Located: True

Current AQI: 28.0

Lindon (Battle Creek) UT, US: 40.3414, -111.7136

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 31, 2020, 3 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 0.2 ppb (2) N/A 2.2 μg/m3 (9) 28.0
 
March 31, 2020, 2 p.m. 3.3 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.2 ppb (2) N/A 2.2 μg/m3 (9) 27.0
 
March 31, 2020, 1 p.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 26.0
 
March 31, 2020, noon 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.1 ppb (1) N/A 1.9 μg/m3 (8) 26.0
 
March 31, 2020, 11 a.m. 2.5 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) 0.2 ppb (2) N/A 1.9 μg/m3 (8) 25.0
 
March 31, 2020, 10 a.m. 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 26.0
 
March 31, 2020, 9 a.m. 3.8 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A 2.9 μg/m3 (12) 26.0
 
March 31, 2020, 8 a.m. 6.0 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A 4.2 μg/m3 (18) 23.0
 
March 31, 2020, 7 a.m. 9.6 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 20.0
 
March 31, 2020, 6 a.m. 8.6 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A 3.7 μg/m3 (15) 22.0
 
March 31, 2020, 5 a.m. 3.2 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 29.0
 
March 31, 2020, 4 a.m. 3.1 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.2 ppb (2) N/A 2.5 μg/m3 (10) 29.0
 
March 31, 2020, 3 a.m. 4.4 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.2 ppb (2) N/A 3.8 μg/m3 (16) 28.0
 
March 31, 2020, 2 a.m. 4.8 ppb (4) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A 2.7 μg/m3 (11) 26.0
 
March 31, 2020, 1 a.m. 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.2 ppb (2) N/A 3.0 μg/m3 (12) 30.0
 
March 31, 2020, midnight 2.3 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 0.2 ppb (2) N/A 1.8 μg/m3 (8) 31.0
 
March 30, 2020, 11 p.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.2 ppb (2) N/A 1.5 μg/m3 (6) 32.0
 
March 30, 2020, 10 p.m. 4.6 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.2 ppb (2) N/A 3.1 μg/m3 (13) 32.0
 
March 30, 2020, 9 p.m. 3.8 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.2 ppb (2) N/A 4.2 μg/m3 (18) 32.0
 
March 30, 2020, 8 p.m. 3.5 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.2 ppb (2) N/A 3.4 μg/m3 (14) 31.0
 
March 30, 2020, 7 p.m. 4.2 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.2 ppb (2) N/A 3.7 μg/m3 (15) 29.0
 
March 30, 2020, 6 p.m. 3.3 ppb (3) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.2 ppb (2) N/A 3.1 μg/m3 (13) 28.0
 
March 30, 2020, 5 p.m. 5.4 ppb (5) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.2 ppb (2) N/A 2.8 μg/m3 (12) 27.0
 
March 30, 2020, 4 p.m. 4.1 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) 0.2 ppb (2) N/A 2.8 μg/m3 (12) 25.0
 
March 30, 2020, 3 p.m. 5.3 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.2 ppb (2) N/A 2.9 μg/m3 (12) 24.0
 
March 30, 2020, 2 p.m. 6.5 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A 2.9 μg/m3 (12) 22.0
 
March 30, 2020, 1 p.m. 4.6 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A 2.8 μg/m3 (12) 22.0
 
March 30, 2020, noon 5.3 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A 3.2 μg/m3 (13) 20.0
 
March 30, 2020, 11 a.m. 4.4 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) N/A N/A 2.9 μg/m3 (12) 22.0
 
March 30, 2020, 10 a.m. 4.7 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A 2.7 μg/m3 (11) 22.0
 
March 30, 2020, 9 a.m. 4.6 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A 2.6 μg/m3 (11) 22.0
 
March 30, 2020, 8 a.m. 3.2 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A 2.5 μg/m3 (10) 26.0
 
March 30, 2020, 7 a.m. 2.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A 2.4 μg/m3 (10) 26.0
 
March 30, 2020, 6 a.m. 4.2 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.2 ppb (2) N/A 2.6 μg/m3 (11) 27.0
 
March 30, 2020, 5 a.m. 9.6 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A 4.2 μg/m3 (18) 19.0
 
March 30, 2020, 4 a.m. 6.1 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.2 ppb (2) N/A 2.7 μg/m3 (11) 24.0
 
March 30, 2020, 3 a.m. 3.8 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.2 ppb (2) N/A 2.6 μg/m3 (11) 27.0
 
March 30, 2020, 2 a.m. 5.8 ppb (5) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) 0.2 ppb (2) N/A 2.5 μg/m3 (10) 25.0
 
March 30, 2020, 1 a.m. 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.2 ppb (2) N/A 2.1 μg/m3 (9) 30.0
 
March 30, 2020, midnight 2.4 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 31.0
 
March 29, 2020, 11 p.m. 2.3 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.2 ppb (2) N/A 2.2 μg/m3 (9) 32.0
 
March 29, 2020, 10 p.m. 2.3 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.2 ppb (2) N/A 2.5 μg/m3 (10) 32.0
 
March 29, 2020, 9 p.m. 1.9 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.1 ppb (1) N/A 2.2 μg/m3 (9) 32.0
 
March 29, 2020, 8 p.m. 2.0 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.1 ppb (1) N/A 2.3 μg/m3 (10) 32.0
 
March 29, 2020, 7 p.m. 2.3 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 0.1 ppb (1) N/A 2.2 μg/m3 (9) 31.0
 
March 29, 2020, 6 p.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.1 ppb (1) N/A 2.4 μg/m3 (10) 30.0
 
March 29, 2020, 5 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) 0.2 ppb (2) N/A 2.3 μg/m3 (10) 28.0
 
March 29, 2020, 4 p.m. 6.0 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A 3.7 μg/m3 (15) 25.0
 
March 29, 2020, 3 p.m. 2.6 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 0.1 ppb (1) N/A 3.7 μg/m3 (15) 28.0
 
March 29, 2020, 2 p.m. 6.8 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A 3.1 μg/m3 (13) 23.0
 
March 29, 2020, 1 p.m. 8.5 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 18.0
 
March 29, 2020, noon 7.1 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A 3.9 μg/m3 (16) 22.0
 
March 29, 2020, 11 a.m. 12.2 ppb (11) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A 3.4 μg/m3 (14) 14.0
 
March 29, 2020, 10 a.m. 8.0 ppb (7) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) 0.2 ppb (2) N/A 3.1 μg/m3 (13) 18.0
 
March 29, 2020, 9 a.m. 10.9 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A 3.5 μg/m3 (15) 15.0
 
March 29, 2020, 8 a.m. 12.2 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A 3.4 μg/m3 (14) 14.0
 
March 29, 2020, 7 a.m. 12.9 ppb (12) 1.1 ppb (1) N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
March 29, 2020, 6 a.m. 15.0 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) 0.3 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
March 29, 2020, 5 a.m. 14.9 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) 0.3 ppb (3) N/A 7.2 μg/m3 (30) 30.0
 
March 29, 2020, 4 a.m. 10.4 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) 0.3 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
March 29, 2020, 3 a.m. 10.7 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 23.0 ppb (18) 0.2 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
March 29, 2020, 2 a.m. 4.3 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.1 ppb (1) N/A 4.5 μg/m3 (19) 27.0
 
March 29, 2020, 1 a.m. 2.9 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.1 ppb (1) N/A 3.4 μg/m3 (14) 30.0
 
March 29, 2020, midnight 3.0 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.1 ppb (1) N/A 4.4 μg/m3 (18) 31.0
 
March 28, 2020, 11 p.m. 3.3 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.1 ppb (1) N/A 3.7 μg/m3 (15) 31.0
 
March 28, 2020, 10 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.1 ppb (1) N/A 4.4 μg/m3 (18) 32.0
 
March 28, 2020, 9 p.m. 3.4 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.1 ppb (1) N/A 6.2 μg/m3 (26) 32.0
 
March 28, 2020, 8 p.m. 3.3 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.1 ppb (1) N/A 6.4 μg/m3 (27) 32.0
 
March 28, 2020, 7 p.m. 3.5 ppb (3) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.1 ppb (1) N/A 6.0 μg/m3 (25) 30.0
 
March 28, 2020, 6 p.m. 5.4 ppb (5) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) 0.1 ppb (1) N/A 6.5 μg/m3 (27) 28.0
 
March 28, 2020, 5 p.m. 4.6 ppb (4) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.1 ppb (1) N/A 5.7 μg/m3 (24) 27.0
 
March 28, 2020, 4 p.m. 5.4 ppb (5) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.1 ppb (1) N/A 4.6 μg/m3 (19) 25.0
 
March 28, 2020, 3 p.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.1 ppb (1) N/A 3.8 μg/m3 (16) 27.0
 
March 28, 2020, 2 p.m. 6.5 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.1 ppb (1) N/A 4.6 μg/m3 (19) 23.0
 
March 28, 2020, 1 p.m. 7.1 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 21.0
 
March 28, 2020, noon 5.5 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.1 ppb (1) N/A 3.7 μg/m3 (15) 22.0
 
March 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.1 ppb (1) N/A 3.4 μg/m3 (14) 25.0
 
March 28, 2020, 10 a.m. 4.7 ppb (4) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.1 ppb (1) N/A 3.1 μg/m3 (13) 26.0
 
March 28, 2020, 9 a.m. 5.3 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.1 ppb (1) N/A 3.3 μg/m3 (14) 26.0
 
March 28, 2020, 8 a.m. 4.0 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.1 ppb (1) N/A 3.6 μg/m3 (15) 26.0
 
March 28, 2020, 7 a.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) 0.1 ppb (1) N/A 3.1 μg/m3 (13) 28.0
 
March 28, 2020, 6 a.m. 3.1 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.1 ppb (1) N/A 2.7 μg/m3 (11) 28.0
 
March 28, 2020, 5 a.m. 7.1 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A 3.4 μg/m3 (14) 25.0
 
March 28, 2020, 4 a.m. 9.4 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A 6.2 μg/m3 (26) 26.0
 
March 28, 2020, 3 a.m. 8.9 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A 4.3 μg/m3 (18) 22.0
 
March 28, 2020, 2 a.m. 3.9 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.1 ppb (1) N/A 2.5 μg/m3 (10) 30.0
 
March 28, 2020, 1 a.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.1 ppb (1) N/A 2.1 μg/m3 (9) 33.0
 
March 28, 2020, midnight 2.4 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.1 ppb (1) N/A 2.1 μg/m3 (9) 32.0
 
March 27, 2020, 11 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 32.0
 
March 27, 2020, 10 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 0.1 ppb (1) N/A 1.9 μg/m3 (8) 31.0
 
March 27, 2020, 9 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 0.1 ppb (1) N/A 2.1 μg/m3 (9) 31.0
 
March 27, 2020, 8 p.m. 3.4 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.1 ppb (1) N/A 2.4 μg/m3 (10) 32.0
 
March 27, 2020, 7 p.m. 4.0 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.1 ppb (1) N/A 2.5 μg/m3 (10) 31.0
 
March 27, 2020, 6 p.m. 6.4 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.1 ppb (1) N/A 3.4 μg/m3 (14) 29.0
 
March 27, 2020, 5 p.m. 9.3 ppb (9) 3.4 ppb (3) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) 0.1 ppb (1) N/A 4.6 μg/m3 (19) 27.0
 
March 27, 2020, 4 p.m. 13.3 ppb (12) 5.2 ppb (5) N/A 8.0 ppb (7) N/A N/A 31.0 ppb (24) 0.2 ppb (2) N/A 5.3 μg/m3 (22) 24.0
 
March 27, 2020, 3 p.m. 20.1 ppb (19) 7.3 ppb (7) N/A 13.0 ppb (12) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A 5.2 μg/m3 (22) 22.0
 
March 27, 2020, 2 p.m. 35.8 ppb (33) 12.2 ppb (11) N/A 24.0 ppb (22) N/A N/A 13.0 ppb (10) 0.3 ppb (3) N/A 4.6 μg/m3 (19) 33.0
 
March 27, 2020, 1 p.m. 22.6 ppb (21) 3.6 ppb (3) N/A 19.0 ppb (18) N/A N/A 12.0 ppb (9) 0.2 ppb (2) N/A 4.6 μg/m3 (19) 21.0
 
March 27, 2020, noon 16.9 ppb (16) 1.8 ppb (2) N/A 15.0 ppb (14) N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
March 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
March 27, 2020, 10 a.m. 16.5 ppb (15) 1.8 ppb (2) N/A 15.0 ppb (14) N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
March 27, 2020, 9 a.m. 12.6 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A 2.9 μg/m3 (12) 15.0
 
March 27, 2020, 8 a.m. 12.0 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A 2.6 μg/m3 (11) 15.0
 
March 27, 2020, 7 a.m. 12.3 ppb (11) 0.8 ppb (1) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A 2.5 μg/m3 (10) 14.0
 
March 27, 2020, 6 a.m. 9.4 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A 2.1 μg/m3 (9) 18.0
 
March 27, 2020, 5 a.m. 5.9 ppb (5) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.1 ppb (1) N/A 1.8 μg/m3 (8) 23.0
 
March 27, 2020, 4 a.m. 6.9 ppb (6) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.1 ppb (1) N/A 2.1 μg/m3 (9) 24.0
 
March 27, 2020, 3 a.m. 4.8 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.2 ppb (2) N/A 2.8 μg/m3 (12) 28.0
 
March 27, 2020, 2 a.m. 6.3 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.1 ppb (1) N/A 1.8 μg/m3 (8) 25.0
 
March 27, 2020, 1 a.m. 4.7 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) 0.1 ppb (1) N/A 1.1 μg/m3 (5) 28.0
 
March 27, 2020, midnight 4.3 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.1 ppb (1) N/A 1.3 μg/m3 (5) 29.0
 
March 26, 2020, 11 p.m. 3.9 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.1 ppb (1) N/A 1.5 μg/m3 (6) 30.0
 
March 26, 2020, 10 p.m. 4.0 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.1 ppb (1) N/A 1.9 μg/m3 (8) 32.0
 
March 26, 2020, 9 p.m. 5.4 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
March 26, 2020, 8 p.m. 7.3 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) 0.2 ppb (2) N/A 2.8 μg/m3 (12) 29.0
 
March 26, 2020, 7 p.m. 8.9 ppb (8) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) N/A N/A 3.0 μg/m3 (12) 29.0
 
March 26, 2020, 6 p.m. 8.8 ppb (8) 2.3 ppb (2) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 2.2 μg/m3 (9) 27.0
 
March 26, 2020, 5 p.m. 7.6 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) 0.2 ppb (2) N/A 1.6 μg/m3 (7) 28.0
 
March 26, 2020, 4 p.m. 7.9 ppb (7) 2.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) 0.2 ppb (2) N/A 1.5 μg/m3 (6) 28.0
 
March 26, 2020, 3 p.m. 10.1 ppb (9) 2.4 ppb (2) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A 1.7 μg/m3 (7) 25.0
 
March 26, 2020, 2 p.m. 10.0 ppb (9) 1.7 ppb (2) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) 0.2 ppb (2) N/A 1.3 μg/m3 (5) 24.0
 
March 26, 2020, 1 p.m. 7.7 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A 0.8 μg/m3 (3) 25.0
 
March 26, 2020, noon 4.6 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.1 ppb (1) N/A 0.4 μg/m3 (2) 27.0
 
March 26, 2020, 11 a.m. 3.6 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.1 ppb (1) N/A 0.3 μg/m3 (1) 27.0
 
March 26, 2020, 10 a.m. 3.2 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.1 ppb (1) N/A 0.2 μg/m3 (1) 27.0
 
March 26, 2020, 9 a.m. 3.2 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.1 ppb (1) N/A 0.4 μg/m3 (2) 26.0
 
March 26, 2020, 8 a.m. 4.0 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.1 ppb (1) N/A 1.3 μg/m3 (5) 25.0
 
March 26, 2020, 7 a.m. 4.5 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.1 ppb (1) N/A 1.6 μg/m3 (7) 24.0
 
March 26, 2020, 6 a.m. 4.3 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.1 ppb (1) N/A 1.9 μg/m3 (8) 25.0
 
March 26, 2020, 5 a.m. 3.7 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.1 ppb (1) N/A 1.7 μg/m3 (7) 27.0
 
March 26, 2020, 4 a.m. 3.3 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.1 ppb (1) N/A 1.4 μg/m3 (6) 28.0
 
March 26, 2020, 3 a.m. 4.0 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) 0.1 ppb (1) N/A 1.9 μg/m3 (8) 28.0
 
March 26, 2020, 2 a.m. 5.6 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) 0.2 ppb (2) N/A 3.1 μg/m3 (13) 28.0
 
March 26, 2020, 1 a.m. 6.5 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) 0.2 ppb (2) N/A 3.9 μg/m3 (16) 28.0
 
March 26, 2020, midnight 7.0 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) 0.2 ppb (2) N/A 5.6 μg/m3 (23) 28.0
 
March 25, 2020, 11 p.m. 8.2 ppb (8) 1.9 ppb (2) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) 0.2 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
March 25, 2020, 10 p.m. 9.2 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A 8.2 μg/m3 (34) 34.0
 
March 25, 2020, 9 p.m. 10.0 ppb (9) 3.4 ppb (3) N/A 7.0 ppb (6) N/A N/A 38.0 ppb (29) N/A N/A 8.8 μg/m3 (37) 37.0
 
March 25, 2020, 8 p.m. 9.8 ppb (9) 3.3 ppb (3) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) N/A N/A 8.1 μg/m3 (34) 34.0
 
March 25, 2020, 7 p.m. 8.9 ppb (8) 3.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) N/A N/A 6.6 μg/m3 (28) 28.0
 
March 25, 2020, 6 p.m. 9.1 ppb (8) 2.3 ppb (2) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) N/A N/A 4.1 μg/m3 (17) 26.0
 
March 25, 2020, 5 p.m. 12.2 ppb (11) 2.5 ppb (2) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 24.0
 
March 25, 2020, 4 p.m. 13.1 ppb (12) 3.3 ppb (3) N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) 0.4 ppb (4) N/A 3.5 μg/m3 (15) 22.0
 
March 25, 2020, 3 p.m. 12.0 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) 0.4 ppb (4) N/A 3.0 μg/m3 (12) 23.0
 
March 25, 2020, 2 p.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 27.0 ppb (21) 0.4 ppb (4) N/A 2.6 μg/m3 (11) 21.0
 
March 25, 2020, 1 p.m. 10.0 ppb (9) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) 0.4 ppb (4) N/A 2.9 μg/m3 (12) 22.0
 
March 25, 2020, noon 5.0 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.3 ppb (3) N/A 1.7 μg/m3 (7) 27.0
 
March 25, 2020, 11 a.m. 3.5 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.3 ppb (3) N/A 0.9 μg/m3 (4) 28.0
 
March 25, 2020, 10 a.m. 1.8 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.3 ppb (3) N/A 0.5 μg/m3 (2) 29.0
 
March 25, 2020, 9 a.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 0.3 ppb (3) N/A 1.1 μg/m3 (5) 28.0
 
March 25, 2020, 8 a.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.3 ppb (3) N/A 1.4 μg/m3 (6) 29.0
 
March 25, 2020, 7 a.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) 0.3 ppb (3) N/A 1.2 μg/m3 (5) 32.0
 
March 25, 2020, 6 a.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.3 ppb (3) N/A 1.2 μg/m3 (5) 33.0
 
March 25, 2020, 5 a.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) 0.3 ppb (3) N/A 1.8 μg/m3 (8) 32.0
 
March 25, 2020, 4 a.m. 2.8 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.3 ppb (3) N/A 2.6 μg/m3 (11) 31.0
 
March 25, 2020, 3 a.m. 2.9 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.3 ppb (3) N/A 6.9 μg/m3 (29) 31.0
 
March 25, 2020, 2 a.m. 3.3 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.3 ppb (3) N/A 5.1 μg/m3 (21) 31.0
 
March 25, 2020, 1 a.m. 2.9 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.3 ppb (3) N/A 2.9 μg/m3 (12) 32.0
 
March 25, 2020, midnight 3.4 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.3 ppb (3) N/A 2.7 μg/m3 (11) 32.0
 
March 24, 2020, 11 p.m. 3.3 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) 0.3 ppb (3) N/A 1.4 μg/m3 (6) 34.0
 
March 24, 2020, 10 p.m. 2.6 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.3 ppb (3) N/A 2.1 μg/m3 (9) 35.0
 
March 24, 2020, 9 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.3 ppb (3) N/A 1.4 μg/m3 (6) 32.0
 
March 24, 2020, 8 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.3 ppb (3) N/A 1.0 μg/m3 (4) 32.0
 
March 24, 2020, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.3 ppb (3) N/A 1.1 μg/m3 (5) 30.0
 
March 24, 2020, 6 p.m. 2.7 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.3 ppb (3) N/A 0.8 μg/m3 (3) 29.0
 
March 24, 2020, 5 p.m. 3.0 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) 0.3 ppb (3) N/A 0.7 μg/m3 (3) 28.0
 
March 24, 2020, 4 p.m. 3.4 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.3 ppb (3) N/A 0.7 μg/m3 (3) 28.0