ID: 182

AQSQID: 060659001

Site Name: Lake Elsinore - W. Flint Street

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

Updated: Jan. 28, 2021, 7:32 a.m.

Location: Lake Elsinore (N Elsinore), CA

Reporting: True, Located: True

Current AQI: 32.0

Lake Elsinore (N Elsinore) CA, US: 33.676535, -117.331027

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 28, 2021, 6 a.m. 19.0 ppb (18) 2.0 ppb (2) N/A 17.0 ppb (17) N/A N/A 11.0 ppb (11) 0.34 ppb (4) 14.1 μg/m3 (14) 7.5 μg/m3 (32) 32.0
 
Jan. 28, 2021, 5 a.m. 17.4 ppb (17) 0.9 ppb (1) N/A 17.0 ppb (17) N/A N/A 17.0 ppb (16) 0.3 ppb (4) 12.3 μg/m3 (12) 0.9 μg/m3 (4) 17.0
 
Jan. 28, 2021, 4 a.m. 11.4 ppb (11) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A 24.0 ppb (23) 0.25 ppb (3) 13.6 μg/m3 (13) 1.9 μg/m3 (8) 23.0
 
Jan. 28, 2021, 3 a.m. 8.3 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A 30.0 ppb (28) 0.22 ppb (3) 13.6 μg/m3 (13) 3.1 μg/m3 (13) 28.0
 
Jan. 28, 2021, 2 a.m. 8.3 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) 0.21 ppb (3) 16.1 μg/m3 (15) 1.6 μg/m3 (7) 29.0
 
Jan. 28, 2021, 1 a.m. 5.0 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (35) 0.18 ppb (3) 14.3 μg/m3 (14) 1.1 μg/m3 (5) 35.0
 
Jan. 28, 2021, midnight 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.15 ppb (2) 5.3 μg/m3 (5) -0.5 μg/m3 (0) 41.0
 
Jan. 27, 2021, 11 p.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) 0.15 ppb (2) 2.3 μg/m3 (3) -1.7 μg/m3 (0) 42.0
 
Jan. 27, 2021, 10 p.m. 1.0 ppb (1) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) 0.15 ppb (2) 2.9 μg/m3 (3) 1.4 μg/m3 (6) 42.0
 
Jan. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (3) 0.9 μg/m3 (4) 4.0
 
Jan. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (3) -0.7 μg/m3 (0) 3.0
 
Jan. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (3) 3.4 μg/m3 (15) 15.0
 
Jan. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 4.4 μg/m3 (19) 19.0
 
Jan. 27, 2021, 5 p.m. 17.9 ppb (17) 5.5 ppb (6) N/A 12.0 ppb (12) N/A N/A 16.0 ppb (15) 0.31 ppb (4) 12.6 μg/m3 (12) 2.4 μg/m3 (10) 17.0
 
Jan. 27, 2021, 4 p.m. 28.4 ppb (27) 12.1 ppb (12) N/A 16.0 ppb (16) N/A N/A 9.0 ppb (9) 0.46 ppb (6) 15.0 μg/m3 (14) 1.0 μg/m3 (5) 27.0
 
Jan. 27, 2021, 3 p.m. 35.1 ppb (34) 15.1 ppb (15) N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) 0.43 ppb (5) 15.7 μg/m3 (15) 5.3 μg/m3 (23) 34.0
 
Jan. 27, 2021, 2 p.m. 25.6 ppb (25) 5.9 ppb (6) N/A 20.0 ppb (19) N/A N/A 2.0 ppb (2) 0.35 ppb (4) 12.3 μg/m3 (12) 9.9 μg/m3 (42) 42.0
 
Jan. 27, 2021, 1 p.m. 25.2 ppb (24) 3.4 ppb (4) N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) 0.45 ppb (6) 11.2 μg/m3 (11) 6.8 μg/m3 (29) 29.0
 
Jan. 27, 2021, noon 11.2 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (11) N/A N/A 11.0 ppb (11) 0.28 ppb (4) 9.3 μg/m3 (9) 1.5 μg/m3 (7) 11.0
 
Jan. 27, 2021, 11 a.m. 11.0 ppb (11) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A 11.0 ppb (11) 0.28 ppb (4) 9.4 μg/m3 (9) -1.3 μg/m3 (0) 11.0
 
Jan. 27, 2021, 10 a.m. 11.5 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (11) N/A N/A 12.0 ppb (12) 0.25 ppb (3) 9.6 μg/m3 (9) 0.5 μg/m3 (3) 12.0
 
Jan. 27, 2021, 9 a.m. 12.9 ppb (13) 1.3 ppb (2) N/A 12.0 ppb (12) N/A N/A 14.0 ppb (13) 0.22 ppb (3) 9.6 μg/m3 (9) 1.7 μg/m3 (8) 13.0
 
Jan. 27, 2021, 8 a.m. 10.3 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.26 ppb (4) 12.1 μg/m3 (12) 3.4 μg/m3 (15) 19.0
 
Jan. 27, 2021, 7 a.m. 6.0 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) 0.22 ppb (3) 12.7 μg/m3 (12) 2.0 μg/m3 (9) 27.0
 
Jan. 27, 2021, 6 a.m. 11.5 ppb (11) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A 24.0 ppb (23) 0.28 ppb (4) 10.9 μg/m3 (11) -1.8 μg/m3 (0) 23.0
 
Jan. 27, 2021, 5 a.m. 4.0 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.18 ppb (3) 9.2 μg/m3 (9) -0.7 μg/m3 (0) 33.0
 
Jan. 27, 2021, 4 a.m. 10.4 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 26.0 ppb (25) 0.28 ppb (4) 11.4 μg/m3 (11) 2.4 μg/m3 (10) 25.0
 
Jan. 27, 2021, 3 a.m. 9.7 ppb (10) 0.4 ppb (1) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) 0.25 ppb (3) 12.7 μg/m3 (12) 2.4 μg/m3 (10) 25.0
 
Jan. 27, 2021, 2 a.m. 6.5 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.21 ppb (3) 9.5 μg/m3 (9) 0.9 μg/m3 (4) 29.0
 
Jan. 27, 2021, 1 a.m. 3.8 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.18 ppb (3) 9.2 μg/m3 (9) -0.3 μg/m3 (0) 34.0
 
Jan. 27, 2021, midnight 3.5 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.16 ppb (3) 8.2 μg/m3 (8) -1.9 μg/m3 (0) 36.0
 
Jan. 26, 2021, 11 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.16 ppb (3) 9.2 μg/m3 (9) 0.2 μg/m3 (1) 38.0
 
Jan. 26, 2021, 10 p.m. 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.16 ppb (3) 4.6 μg/m3 (5) 2.4 μg/m3 (10) 39.0
 
Jan. 26, 2021, 9 p.m. 1.6 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.15 ppb (2) 3.4 μg/m3 (4) 2.9 μg/m3 (13) 38.0
 
Jan. 26, 2021, 8 p.m. 1.5 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.15 ppb (2) 3.6 μg/m3 (4) 2.0 μg/m3 (9) 37.0
 
Jan. 26, 2021, 7 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.15 ppb (2) 4.5 μg/m3 (5) 0.7 μg/m3 (3) 35.0
 
Jan. 26, 2021, 6 p.m. 3.1 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.16 ppb (3) 6.2 μg/m3 (6) 2.4 μg/m3 (10) 33.0
 
Jan. 26, 2021, 5 p.m. 15.9 ppb (15) 5.8 ppb (6) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) 0.27 ppb (4) 13.0 μg/m3 (13) 3.9 μg/m3 (17) 20.0
 
Jan. 26, 2021, 4 p.m. 33.8 ppb (32) 16.2 ppb (16) N/A 18.0 ppb (17) N/A N/A 10.0 ppb (10) 0.38 ppb (5) 17.8 μg/m3 (17) 3.1 μg/m3 (13) 32.0
 
Jan. 26, 2021, 3 p.m. 47.2 ppb (45) 24.5 ppb (24) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (3) 0.43 ppb (5) 17.4 μg/m3 (17) 6.3 μg/m3 (27) 45.0
 
Jan. 26, 2021, 2 p.m. 27.8 ppb (27) 7.0 ppb (7) N/A 21.0 ppb (20) N/A N/A 5.0 ppb (5) 0.37 ppb (5) 13.0 μg/m3 (13) 6.1 μg/m3 (26) 27.0
 
Jan. 26, 2021, 1 p.m. 12.5 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A N/A 15.0 ppb (14) 0.23 ppb (3) 9.9 μg/m3 (10) 1.9 μg/m3 (8) 14.0
 
Jan. 26, 2021, noon 10.3 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (10) N/A N/A 17.0 ppb (16) 0.19 ppb (3) 8.7 μg/m3 (9) 0.3 μg/m3 (2) 16.0
 
Jan. 26, 2021, 11 a.m. 5.9 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.17 ppb (3) 8.5 μg/m3 (8) -0.8 μg/m3 (0) 24.0
 
Jan. 26, 2021, 10 a.m. 6.9 ppb (7) 0.3 ppb (1) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) 0.2 ppb (3) 9.6 μg/m3 (9) -0.8 μg/m3 (0) 22.0
 
Jan. 26, 2021, 9 a.m. 6.2 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) 0.18 ppb (3) 8.5 μg/m3 (8) 1.4 μg/m3 (6) 23.0
 
Jan. 26, 2021, 8 a.m. 3.0 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.16 ppb (3) 9.0 μg/m3 (9) -0.8 μg/m3 (0) 29.0
 
Jan. 26, 2021, 7 a.m. 6.5 ppb (7) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) 0.19 ppb (3) 6.1 μg/m3 (6) -0.7 μg/m3 (0) 27.0
 
Jan. 26, 2021, 6 a.m. 3.5 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.18 ppb (3) 6.0 μg/m3 (6) -0.6 μg/m3 (0) 31.0
 
Jan. 26, 2021, 5 a.m. 3.0 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.17 ppb (3) 5.5 μg/m3 (6) 1.2 μg/m3 (5) 32.0
 
Jan. 26, 2021, 4 a.m. 4.2 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.17 ppb (3) 7.6 μg/m3 (8) 3.9 μg/m3 (17) 30.0
 
Jan. 26, 2021, 3 a.m. 3.4 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.16 ppb (3) 9.4 μg/m3 (9) 1.2 μg/m3 (5) 32.0
 
Jan. 26, 2021, 2 a.m. 2.7 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.16 ppb (3) 11.7 μg/m3 (11) -0.1 μg/m3 (0) 35.0
 
Jan. 26, 2021, 1 a.m. 2.6 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.15 ppb (2) 13.3 μg/m3 (13) 0.0 μg/m3 (0) 36.0
 
Jan. 26, 2021, midnight 2.1 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.15 ppb (2) 12.6 μg/m3 (12) 2.7 μg/m3 (12) 37.0
 
Jan. 25, 2021, 11 p.m. 1.4 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.14 ppb (2) 13.5 μg/m3 (13) 3.4 μg/m3 (15) 38.0
 
Jan. 25, 2021, 10 p.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.14 ppb (2) 12.3 μg/m3 (12) 2.3 μg/m3 (10) 38.0
 
Jan. 25, 2021, 9 p.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.15 ppb (2) 9.2 μg/m3 (9) 3.4 μg/m3 (15) 38.0
 
Jan. 25, 2021, 8 p.m. 1.8 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.15 ppb (2) 6.7 μg/m3 (7) 1.5 μg/m3 (7) 38.0
 
Jan. 25, 2021, 7 p.m. 3.0 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) 0.15 ppb (2) 7.2 μg/m3 (7) 0.0 μg/m3 (0) 37.0
 
Jan. 25, 2021, 6 p.m. 2.6 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.16 ppb (3) 7.9 μg/m3 (8) 2.0 μg/m3 (9) 36.0
 
Jan. 25, 2021, 5 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.15 ppb (2) 7.1 μg/m3 (7) 2.5 μg/m3 (11) 35.0
 
Jan. 25, 2021, 4 p.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.17 ppb (3) 7.1 μg/m3 (7) 1.0 μg/m3 (5) 35.0
 
Jan. 25, 2021, 3 p.m. 2.4 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.17 ppb (3) 11.7 μg/m3 (11) 1.7 μg/m3 (8) 35.0
 
Jan. 25, 2021, 2 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.13 ppb (2) 8.0 μg/m3 (8) 2.0 μg/m3 (9) 37.0
 
Jan. 25, 2021, 1 p.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.14 ppb (2) 2.3 μg/m3 (3) -0.2 μg/m3 (0) 35.0
 
Jan. 25, 2021, noon 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.13 ppb (2) 0.1 μg/m3 (1) -1.3 μg/m3 (0) 35.0
 
Jan. 25, 2021, 11 a.m. 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (35) 0.13 ppb (2) 0.8 μg/m3 (1) -3.2 μg/m3 (0) 35.0
 
Jan. 25, 2021, 10 a.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (34) 0.13 ppb (2) 0.1 μg/m3 (1) -2.0 μg/m3 (0) 34.0
 
Jan. 25, 2021, 9 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (37) 0.12 ppb (2) 3.0 μg/m3 (3) -0.8 μg/m3 (0) 37.0
 
Jan. 25, 2021, 8 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.13 ppb (2) 3.6 μg/m3 (4) 0.7 μg/m3 (3) 35.0
 
Jan. 25, 2021, 7 a.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (34) 0.13 ppb (2) 8.5 μg/m3 (8) 4.9 μg/m3 (21) 34.0
 
Jan. 25, 2021, 6 a.m. 0.7 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (33) 0.13 ppb (2) 5.6 μg/m3 (6) 4.6 μg/m3 (20) 33.0
 
Jan. 25, 2021, 5 a.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) 0.14 ppb (2) 5.8 μg/m3 (6) -0.1 μg/m3 (0) 29.0
 
Jan. 25, 2021, 4 a.m. 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.14 ppb (2) 8.7 μg/m3 (9) -0.9 μg/m3 (0) 28.0
 
Jan. 25, 2021, 3 a.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) 0.15 ppb (2) 8.9 μg/m3 (9) 4.4 μg/m3 (19) 32.0
 
Jan. 25, 2021, 2 a.m. 2.6 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.17 ppb (3) 7.9 μg/m3 (8) 5.1 μg/m3 (22) 31.0
 
Jan. 25, 2021, 1 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.16 ppb (3) 6.1 μg/m3 (6) 6.1 μg/m3 (26) 35.0
 
Jan. 25, 2021, midnight 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.14 ppb (2) 5.5 μg/m3 (6) 6.8 μg/m3 (29) 37.0
 
Jan. 24, 2021, 11 p.m. 1.6 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.15 ppb (2) 4.1 μg/m3 (4) 2.4 μg/m3 (10) 38.0
 
Jan. 24, 2021, 10 p.m. 2.2 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.16 ppb (3) 4.7 μg/m3 (5) 2.2 μg/m3 (10) 36.0
 
Jan. 24, 2021, 9 p.m. 2.2 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.16 ppb (3) 3.8 μg/m3 (4) 2.7 μg/m3 (12) 33.0
 
Jan. 24, 2021, 8 p.m. 2.3 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.16 ppb (3) 2.7 μg/m3 (3) 4.7 μg/m3 (20) 31.0
 
Jan. 24, 2021, 7 p.m. 2.5 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.17 ppb (3) 1.8 μg/m3 (2) 6.7 μg/m3 (28) 31.0
 
Jan. 24, 2021, 6 p.m. 3.6 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) 0.19 ppb (3) 2.3 μg/m3 (3) 4.4 μg/m3 (19) 27.0
 
Jan. 24, 2021, 5 p.m. 5.5 ppb (6) 2.3 ppb (3) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) 0.2 ppb (3) 6.3 μg/m3 (6) 8.1 μg/m3 (34) 34.0
 
Jan. 24, 2021, 4 p.m. 11.7 ppb (12) 4.5 ppb (5) N/A 7.0 ppb (7) N/A N/A 12.0 ppb (12) 0.28 ppb (4) 7.1 μg/m3 (7) 9.5 μg/m3 (40) 40.0
 
Jan. 24, 2021, 3 p.m. 8.7 ppb (9) 1.3 ppb (2) N/A 7.0 ppb (7) N/A N/A 10.0 ppb (10) 0.27 ppb (4) 5.2 μg/m3 (5) 9.2 μg/m3 (39) 39.0
 
Jan. 24, 2021, 2 p.m. 9.6 ppb (10) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 6.0 ppb (6) 0.29 ppb (4) 6.2 μg/m3 (6) 9.3 μg/m3 (39) 39.0
 
Jan. 24, 2021, 1 p.m. 8.6 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A N/A 11.0 ppb (11) 0.24 ppb (3) 5.3 μg/m3 (5) 5.4 μg/m3 (23) 23.0
 
Jan. 24, 2021, noon 5.4 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (15) 0.24 ppb (3) 5.1 μg/m3 (5) 7.8 μg/m3 (33) 33.0
 
Jan. 24, 2021, 11 a.m. 4.2 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (18) 0.21 ppb (3) 3.9 μg/m3 (4) 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2021, 10 a.m. 4.7 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (18) 0.2 ppb (3) 2.8 μg/m3 (3) 6.1 μg/m3 (26) 26.0
 
Jan. 24, 2021, 9 a.m. 6.0 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (15) 0.26 ppb (4) 6.6 μg/m3 (7) 1.7 μg/m3 (8) 15.0
 
Jan. 24, 2021, 8 a.m. 7.2 ppb (7) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A 14.0 ppb (13) 0.3 ppb (4) 8.4 μg/m3 (8) 17.5 μg/m3 (63) 63.0
 
Jan. 24, 2021, 7 a.m. 5.9 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (16) 0.24 ppb (3) 6.4 μg/m3 (6) 8.1 μg/m3 (34) 34.0
 
Jan. 24, 2021, 6 a.m. 8.3 ppb (8) 0.5 ppb (1) N/A 8.0 ppb (8) N/A N/A 16.0 ppb (15) 0.28 ppb (4) 4.9 μg/m3 (5) 6.2 μg/m3 (26) 26.0
 
Jan. 24, 2021, 5 a.m. 6.6 ppb (7) 0.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (20) 0.24 ppb (3) 3.6 μg/m3 (4) 3.2 μg/m3 (14) 20.0
 
Jan. 24, 2021, 4 a.m. 5.4 ppb (6) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (23) 0.22 ppb (3) 2.7 μg/m3 (3) 2.2 μg/m3 (10) 23.0
 
Jan. 24, 2021, 3 a.m. 3.6 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) 0.18 ppb (3) 2.1 μg/m3 (2) 1.0 μg/m3 (5) 26.0
 
Jan. 24, 2021, 2 a.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.17 ppb (3) 1.8 μg/m3 (2) 1.8 μg/m3 (8) 29.0
 
Jan. 24, 2021, 1 a.m. 2.8 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.16 ppb (3) 2.0 μg/m3 (2) 5.9 μg/m3 (25) 31.0
 
Jan. 24, 2021, midnight 4.2 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.19 ppb (3) 2.5 μg/m3 (3) 2.8 μg/m3 (12) 29.0
 
Jan. 23, 2021, 11 p.m. 3.1 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.17 ppb (3) 2.7 μg/m3 (3) -1.0 μg/m3 (0) 30.0
 
Jan. 23, 2021, 10 p.m. 3.3 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.17 ppb (3) 1.9 μg/m3 (2) -1.3 μg/m3 (0) 30.0
 
Jan. 23, 2021, 9 p.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) 0.14 ppb (2) 4.2 μg/m3 (4) -1.3 μg/m3 (0) 32.0
 
Jan. 23, 2021, 8 p.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) 0.14 ppb (2) 0.4 μg/m3 (1) 1.0 μg/m3 (5) 33.0
 
Jan. 23, 2021, 7 p.m. 1.6 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.14 ppb (2) 0.1 μg/m3 (1) 3.5 μg/m3 (15) 34.0
 
Jan. 23, 2021, 6 p.m. 2.0 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.14 ppb (2) 1.2 μg/m3 (2) 2.3 μg/m3 (10) 31.0
 
Jan. 23, 2021, 5 p.m. 4.1 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) 0.16 ppb (3) 3.8 μg/m3 (4) 3.0 μg/m3 (13) 25.0
 
Jan. 23, 2021, 4 p.m. 7.9 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (18) 0.2 ppb (3) 6.7 μg/m3 (7) 1.7 μg/m3 (8) 18.0
 
Jan. 23, 2021, 3 p.m. 11.1 ppb (11) 1.9 ppb (2) N/A 9.0 ppb (9) N/A N/A 12.0 ppb (12) 0.25 ppb (3) 7.8 μg/m3 (8) -1.0 μg/m3 (0) 12.0
 
Jan. 23, 2021, 2 p.m. 11.4 ppb (11) 1.1 ppb (2) N/A 10.0 ppb (10) N/A N/A 11.0 ppb (11) 0.25 ppb (3) 6.6 μg/m3 (7) -4.7 μg/m3 (0) 11.0
 
Jan. 23, 2021, 1 p.m. 5.7 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (16) 0.16 ppb (3) 3.9 μg/m3 (4) -4.4 μg/m3 (0) 16.0
 
Jan. 23, 2021, noon 7.4 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 14.0 ppb (13) 0.17 ppb (3) 4.8 μg/m3 (5) -2.0 μg/m3 (0) 13.0
 
Jan. 23, 2021, 11 a.m. 5.0 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (18) 0.16 ppb (3) 3.8 μg/m3 (4) -3.9 μg/m3 (0) 18.0
 
Jan. 23, 2021, 10 a.m. 3.8 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (23) 0.15 ppb (2) 3.9 μg/m3 (4) -2.7 μg/m3 (0) 23.0
 
Jan. 23, 2021, 9 a.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) 0.13 ppb (2) 2.6 μg/m3 (3) 0.6 μg/m3 (3) 29.0
 
Jan. 23, 2021, 8 a.m. 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) 0.16 ppb (3) 3.5 μg/m3 (4) 2.2 μg/m3 (10) 26.0
 
Jan. 23, 2021, 7 a.m. 2.1 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.16 ppb (3) 5.7 μg/m3 (6) 0.5 μg/m3 (3) 28.0
 
Jan. 23, 2021, 6 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.15 ppb (2) 8.2 μg/m3 (8) 0.3 μg/m3 (2) 28.0
 
Jan. 23, 2021, 5 a.m. 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) 0.18 ppb (3) 9.6 μg/m3 (9) 1.3 μg/m3 (6) 26.0
 
Jan. 23, 2021, 4 a.m. 3.0 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.16 ppb (3) 7.8 μg/m3 (8) -1.2 μg/m3 (0) 27.0
 
Jan. 23, 2021, 3 a.m. 1.4 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.14 ppb (2) 9.1 μg/m3 (9) -1.3 μg/m3 (0) 34.0
 
Jan. 23, 2021, 2 a.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.13 ppb (2) 11.7 μg/m3 (11) 1.0 μg/m3 (5) 37.0
 
Jan. 23, 2021, 1 a.m. 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.14 ppb (2) 15.7 μg/m3 (15) -1.6 μg/m3 (0) 38.0
 
Jan. 23, 2021, midnight 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.13 ppb (2) 12.2 μg/m3 (12) -0.3 μg/m3 (0) 39.0
 
Jan. 22, 2021, 11 p.m. 0.9 ppb (1) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.13 ppb (2) 12.5 μg/m3 (12) 0.5 μg/m3 (3) 40.0
 
Jan. 22, 2021, 10 p.m. 1.2 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.13 ppb (2) 11.6 μg/m3 (11) -0.1 μg/m3 (0) 41.0
 
Jan. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (13) 3.5 μg/m3 (15) 15.0
 
Jan. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (9) 6.4 μg/m3 (27) 27.0
 
Jan. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (7) 8.6 μg/m3 (36) 36.0
 
Jan. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) 5.6 μg/m3 (24) 24.0
 
Jan. 22, 2021, 5 p.m. 8.9 ppb (9) 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (21) 0.21 ppb (3) 12.5 μg/m3 (12) 4.2 μg/m3 (18) 21.0
 
Jan. 22, 2021, 4 p.m. 18.5 ppb (18) 7.4 ppb (7) N/A 11.0 ppb (11) N/A N/A 14.0 ppb (13) 0.27 ppb (4) 16.4 μg/m3 (16) 5.6 μg/m3 (24) 24.0
 
Jan. 22, 2021, 3 p.m. 33.0 ppb (32) 15.5 ppb (15) N/A 18.0 ppb (17) N/A N/A 6.0 ppb (6) 0.33 ppb (4) 18.5 μg/m3 (18) 1.0 μg/m3 (5) 32.0
 
Jan. 22, 2021, 2 p.m. 32.2 ppb (31) 12.9 ppb (13) N/A 19.0 ppb (18) N/A N/A 2.0 ppb (2) 0.37 ppb (5) 18.5 μg/m3 (18) 3.0 μg/m3 (13) 31.0
 
Jan. 22, 2021, 1 p.m. 26.7 ppb (26) 9.0 ppb (9) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.3 ppb (4) 16.6 μg/m3 (16) 3.0 μg/m3 (13) 26.0
 
Jan. 22, 2021, noon 17.0 ppb (17) 5.3 ppb (5) N/A 12.0 ppb (12) N/A N/A 11.0 ppb (11) 0.24 ppb (3) 10.8 μg/m3 (10) 1.5 μg/m3 (7) 17.0
 
Jan. 22, 2021, 11 a.m. 11.2 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (10) N/A N/A 14.0 ppb (13) 0.21 ppb (3) 9.8 μg/m3 (10) 2.5 μg/m3 (11) 13.0
 
Jan. 22, 2021, 10 a.m. 13.2 ppb (13) 2.4 ppb (3) N/A 11.0 ppb (11) N/A N/A 7.0 ppb (7) 0.24 ppb (3) 12.0 μg/m3 (12) 1.1 μg/m3 (5) 13.0
 
Jan. 22, 2021, 9 a.m. 17.2 ppb (17) 3.7 ppb (4) N/A 14.0 ppb (14) N/A N/A 6.0 ppb (6) 0.27 ppb (4) 13.9 μg/m3 (13) 3.3 μg/m3 (14) 17.0
 
Jan. 22, 2021, 8 a.m. 16.1 ppb (16) 1.8 ppb (2) N/A 14.0 ppb (14) N/A N/A 7.0 ppb (7) 0.31 ppb (4) 14.6 μg/m3 (14) 2.3 μg/m3 (10) 16.0
 
Jan. 22, 2021, 7 a.m. 19.6 ppb (19) 3.2 ppb (4) N/A 16.0 ppb (16) N/A N/A 9.0 ppb (9) 0.3 ppb (4) 14.9 μg/m3 (14) 2.0 μg/m3 (9) 19.0
 
Jan. 22, 2021, 6 a.m. 20.8 ppb (20) 1.8 ppb (2) N/A 19.0 ppb (18) N/A N/A 8.0 ppb (8) 0.29 ppb (4) 17.3 μg/m3 (17) 3.8 μg/m3 (16) 20.0
 
Jan. 22, 2021, 5 a.m. 18.1 ppb (18) 1.2 ppb (2) N/A 17.0 ppb (17) N/A N/A 12.0 ppb (12) 0.32 ppb (4) 19.4 μg/m3 (18) 6.1 μg/m3 (26) 26.0
 
Jan. 22, 2021, 4 a.m. 13.0 ppb (13) 0.6 ppb (1) N/A 12.0 ppb (12) N/A N/A 21.0 ppb (20) 0.26 ppb (4) 17.6 μg/m3 (17) 6.9 μg/m3 (29) 29.0
 
Jan. 22, 2021, 3 a.m. 8.4 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) 0.21 ppb (3) 15.5 μg/m3 (15) 5.6 μg/m3 (24) 26.0
 
Jan. 22, 2021, 2 a.m. 5.1 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) 0.16 ppb (3) 16.5 μg/m3 (16) 2.2 μg/m3 (10) 33.0
 
Jan. 22, 2021, 1 a.m. 3.5 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.15 ppb (2) 12.6 μg/m3 (12) 0.3 μg/m3 (2) 37.0
 
Jan. 22, 2021, midnight 3.4 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (38) 0.15 ppb (2) 13.7 μg/m3 (13) 0.0 μg/m3 (0) 38.0
 
Jan. 21, 2021, 11 p.m. 2.9 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.15 ppb (2) 13.3 μg/m3 (13) -1.3 μg/m3 (0) 40.0
 
Jan. 21, 2021, 10 p.m. 2.7 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) 0.15 ppb (2) 11.2 μg/m3 (11) 0.4 μg/m3 (2) 40.0
 
Jan. 21, 2021, 9 p.m. 3.1 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.15 ppb (2) 10.8 μg/m3 (10) 0.5 μg/m3 (3) 38.0
 
Jan. 21, 2021, 8 p.m. 3.7 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.14 ppb (2) 11.3 μg/m3 (11) -1.3 μg/m3 (0) 36.0
 
Jan. 21, 2021, 7 p.m. 7.5 ppb (8) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.16 ppb (3) 15.1 μg/m3 (14) 0.0 μg/m3 (0) 30.0
 
Jan. 21, 2021, 6 p.m. 8.3 ppb (8) 2.4 ppb (3) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.17 ppb (3) 13.7 μg/m3 (13) 3.7 μg/m3 (16) 28.0
 
Jan. 21, 2021, 5 p.m. 16.2 ppb (16) 5.3 ppb (5) N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) 0.24 ppb (3) 19.9 μg/m3 (19) 4.2 μg/m3 (18) 19.0
 
Jan. 21, 2021, 4 p.m. 40.5 ppb (39) 19.9 ppb (19) N/A 21.0 ppb (20) N/A N/A 8.0 ppb (8) 0.37 ppb (5) 30.8 μg/m3 (29) 1.5 μg/m3 (7) 39.0
 
Jan. 21, 2021, 3 p.m. 37.1 ppb (35) 15.0 ppb (15) N/A 22.0 ppb (21) N/A N/A 4.0 ppb (4) 0.3 ppb (4) 20.8 μg/m3 (20) 2.0 μg/m3 (9) 35.0
 
Jan. 21, 2021, 2 p.m. 28.3 ppb (27) 7.9 ppb (8) N/A 20.0 ppb (19) N/A N/A 5.0 ppb (5) 0.27 ppb (4) 19.5 μg/m3 (19) 3.0 μg/m3 (13) 27.0
 
Jan. 21, 2021, 1 p.m. 9.9 ppb (10) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 16.0 ppb (15) 0.18 ppb (3) 14.8 μg/m3 (14) 3.0 μg/m3 (13) 15.0
 
Jan. 21, 2021, noon 13.5 ppb (13) 1.4 ppb (2) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) 0.19 ppb (3) 13.2 μg/m3 (13) 0.0 μg/m3 (0) 13.0
 
Jan. 21, 2021, 11 a.m. 12.7 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) 0.19 ppb (3) 14.9 μg/m3 (14) -3.8 μg/m3 (0) 14.0
 
Jan. 21, 2021, 10 a.m. 10.3 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 17.0 ppb (16) 0.2 ppb (3) 11.4 μg/m3 (11) -2.3 μg/m3 (0) 16.0
 
Jan. 21, 2021, 9 a.m. 11.3 ppb (11) 0.8 ppb (1) N/A 10.0 ppb (10) N/A N/A 17.0 ppb (16) 0.17 ppb (3) 13.6 μg/m3 (13) -1.1 μg/m3 (0) 16.0
 
Jan. 21, 2021, 8 a.m. 12.0 ppb (12) 1.1 ppb (2) N/A 11.0 ppb (11) N/A N/A 17.0 ppb (16) 0.18 ppb (3) 13.8 μg/m3 (13) -0.8 μg/m3 (0) 16.0
 
Jan. 21, 2021, 7 a.m. 10.6 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.18 ppb (3) 11.6 μg/m3 (11) 0.8 μg/m3 (4) 19.0